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From: "Nate DeSimone" <nathaniel.l.desimone@intel.com>
To: "Wei, David Y" <david.y.wei@intel.com>,
	"devel@edk2.groups.io" <devel@edk2.groups.io>
Cc: "Wu, Hao A" <hao.a.wu@intel.com>,
	"Gao, Liming" <liming.gao@intel.com>,
	"Sinha, Ankit" <ankit.sinha@intel.com>,
	"Agyeman, Prince" <prince.agyeman@intel.com>,
	"Kubacki, Michael A" <michael.a.kubacki@intel.com>,
	"Kinney, Michael D" <michael.d.kinney@intel.com>
Subject: Re: [edk2-platform patch 5/7] SimicsOpenBoardPkg: Add Overrides modules for SIMICS QSP Platform
Date: Thu, 15 Aug 2019 22:52:31 +0000	[thread overview]
Message-ID: <02A34F284D1DA44BB705E61F7180EF0AAEE0C7BA@ORSMSX114.amr.corp.intel.com> (raw)
In-Reply-To: <f01346547cec7f0115b84c5be8876b2ad1b81d40.1565389186.git.david.y.wei@intel.com>

Hi David,

Here are my comments:

1. All of the copyright years need to be updated to 2019.
2. Please remove " Contributed-under: TianoCore Contribution Agreement 1.0" from your commit message as it is no longer needed.
3. Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib - This library is not an override. It is an alternate and separate implementation. MdeModulePkg does not even have a PciHostBridgeLib implementation other than a stub version. This implementation also appears very similar to the one in OvmfPkg. Please move this to SimicsOpenBoardPkg/Library.
4. Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib - This library is not an override. It is an alternate and separate implementation. MdeModulePkg does not even have a PlatformBootManagerLib implementation other than a stub version. This implementation also appears very similar to the one in OvmfPkg. Please move this to SimicsOpenBoardPkg/Library.
5. Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables - This override is just coding style fixes. Do not add this as an override. Submit a separate patch series for the style cleanup directly on MinPlatformPkg.
6. Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe - Why does this override exist? It does not change anything.

Other than that, looks good! Please send an updated patch.

Thanks,
Nate

-----Original Message-----
From: Wei, David Y 
Sent: Friday, August 9, 2019 3:47 PM
To: devel@edk2.groups.io
Cc: Wu, Hao A <hao.a.wu@intel.com>; Gao, Liming <liming.gao@intel.com>; Sinha, Ankit <ankit.sinha@intel.com>; Agyeman, Prince <prince.agyeman@intel.com>; Kubacki, Michael A <michael.a.kubacki@intel.com>; Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>
Subject: [edk2-platform patch 5/7] SimicsOpenBoardPkg: Add Overrides modules for SIMICS QSP Platform

Overrides/MdeModulePkg/Library/PciHostBridgeLib - it is platform related. should be Customized
Overrides/MdeModulePkg/Logo - the Logo image is Customized
Overrides/MdePkg/Library/BasePciLibCf8 - use the functions specific for SIMICS

Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Ankit Sinha <ankit.sinha@intel.com>
Cc: Agyeman Prince <prince.agyeman@intel.com>
Cc: Kubacki Michael A <michael.a.kubacki@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0

Signed-off-by: David Wei <david.y.wei@intel.com>
---
 .../Library/PciHostBridgeLib/PciHostBridgeLib.c    |  419 ++++++
 .../Library/PlatformBootManagerLib/BdsPlatform.c   | 1553 +++++++++++++++++++
 .../Library/PlatformBootManagerLib/PlatformData.c  |   35 +
 .../Overrides/MdeModulePkg/Logo/Logo.c             |  154 ++
 .../MdePkg/Library/BasePciLibCf8/PciLib.c          | 1221 +++++++++++++++
 .../MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c  | 1579 ++++++++++++++++++++
 .../MinPlatformPkg/Acpi/AcpiTables/Facs/Facs.c     |   84 ++
 .../MinPlatformPkg/Acpi/AcpiTables/Fadt/Fadt.c     |  359 +++++
 .../MinPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.c     |   78 +
 .../MinPlatformPkg/Acpi/AcpiTables/Wsmt/Wsmt.c     |   46 +
 .../Overrides/OvmfPkg/QemuVideoDxe/ComponentName.c |  205 +++
 .../Overrides/OvmfPkg/QemuVideoDxe/Driver.c        | 1011 +++++++++++++
 .../QemuVideoDxe/DriverSupportedEfiVersion.c       |   15 +
 .../Overrides/OvmfPkg/QemuVideoDxe/Gop.c           |  417 ++++++
 .../Overrides/OvmfPkg/QemuVideoDxe/Initialize.c    |  341 +++++
 .../Overrides/OvmfPkg/QemuVideoDxe/VbeShim.c       |  302 ++++
 .../8259InterruptControllerDxe/8259.c              |  622 ++++++++
 .../Library/PciHostBridgeLib/PciHostBridge.h       |   68 +
 .../Library/PciHostBridgeLib/PciHostBridgeLib.inf  |   50 +
 .../Library/PlatformBootManagerLib/BdsPlatform.h   |  156 ++
 .../PlatformBootManagerLib.inf                     |   69 +
 .../Overrides/MdeModulePkg/Logo/Logo.bmp           |  Bin 0 -> 141078 bytes
 .../Overrides/MdeModulePkg/Logo/Logo.idf           |   10 +
 .../Overrides/MdeModulePkg/Logo/Logo.inf           |   28 +
 .../Overrides/MdeModulePkg/Logo/Logo.uni           |   16 +
 .../Overrides/MdeModulePkg/Logo/LogoDxe.inf        |   55 +
 .../Overrides/MdeModulePkg/Logo/LogoDxe.uni        |   16 +
 .../Overrides/MdeModulePkg/Logo/LogoDxeExtra.uni   |   14 +
 .../Overrides/MdeModulePkg/Logo/LogoExtra.uni      |   14 +
 .../Library/BasePciLibCf8/DxePciLibX58Ich10.inf    |   40 +
 .../MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.h  |   45 +
 .../Acpi/AcpiTables/AcpiPlatform.inf               |  105 ++
 .../Overrides/OvmfPkg/QemuVideoDxe/Qemu.h          |  507 +++++++
 .../OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf          |   73 +
 .../Overrides/OvmfPkg/QemuVideoDxe/VbeShim.asm     |  281 ++++
 .../Overrides/OvmfPkg/QemuVideoDxe/VbeShim.h       |  701 +++++++++
 .../Overrides/OvmfPkg/QemuVideoDxe/VbeShim.sh      |   79 +
 .../8259InterruptControllerDxe/8259.h              |  218 +++
 .../8259InterruptControllerDxe/8259.inf            |   46 +
 .../8259InterruptControllerDxe/Legacy8259.uni      |   16 +
 .../8259InterruptControllerDxe/Legacy8259Extra.uni |   14 +
 41 files changed, 11062 insertions(+)
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformData.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/PciLib.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Facs/Facs.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Fadt/Fadt.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Wsmt/Wsmt.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/ComponentName.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Driver.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/DriverSupportedEfiVersion.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Gop.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Initialize.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridge.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.bmp
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.idf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.uni
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.uni
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxeExtra.uni
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoExtra.uni
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/DxePciLibX58Ich10.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Qemu.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.asm
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.sh
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.h
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.inf
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259.uni
 create mode 100644 Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259Extra.uni

diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
new file mode 100644
index 0000000000..2aaa4b3e90
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
@@ -0,0 +1,419 @@
+/** @file
+  OVMF's instance of the PCI Host Bridge Library.
+
+  Copyright (C) 2016, Red Hat, Inc.
+  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <PiDxe.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/X58Ich10.h>
+
+#include <Protocol/PciHostBridgeResourceAllocation.h>
+#include <Protocol/PciRootBridgeIo.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PciHostBridgeLib.h>
+#include <Library/PciLib.h>
+#include "PciHostBridge.h"
+
+
+#pragma pack(1)
+typedef struct {
+  ACPI_HID_DEVICE_PATH     AcpiDevicePath;
+  EFI_DEVICE_PATH_PROTOCOL EndDevicePath;
+} OVMF_PCI_ROOT_BRIDGE_DEVICE_PATH;
+#pragma pack ()
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED
+CHAR16 *mPciHostBridgeLibAcpiAddressSpaceTypeStr[] = {
+  L"Mem", L"I/O", L"Bus"
+};
+
+
+STATIC
+CONST
+OVMF_PCI_ROOT_BRIDGE_DEVICE_PATH mRootBridgeDevicePathTemplate = {
+  {
+    {
+      ACPI_DEVICE_PATH,
+      ACPI_DP,
+      {
+        (UINT8) (sizeof(ACPI_HID_DEVICE_PATH)),
+        (UINT8) ((sizeof(ACPI_HID_DEVICE_PATH)) >> 8)
+      }
+    },
+    EISA_PNP_ID(0x0A03), // HID
+    0                    // UID
+  },
+
+  {
+    END_DEVICE_PATH_TYPE,
+    END_ENTIRE_DEVICE_PATH_SUBTYPE,
+    {
+      END_DEVICE_PATH_LENGTH,
+      0
+    }
+  }
+};
+
+STATIC PCI_ROOT_BRIDGE_APERTURE mNonExistAperture = { MAX_UINT64, 0 };
+
+/**
+  Initialize a PCI_ROOT_BRIDGE structure.
+
+  @param[in]  Supports         Supported attributes.
+
+  @param[in]  Attributes       Initial attributes.
+
+  @param[in]  AllocAttributes  Allocation attributes.
+
+  @param[in]  RootBusNumber    The bus number to store in RootBus.
+
+  @param[in]  MaxSubBusNumber  The inclusive maximum bus number that can be
+                               assigned to any subordinate bus found behind any
+                               PCI bridge hanging off this root bus.
+
+                               The caller is repsonsible for ensuring that
+                               RootBusNumber <= MaxSubBusNumber. If
+                               RootBusNumber equals MaxSubBusNumber, then the
+                               root bus has no room for subordinate buses.
+
+  @param[in]  Io               IO aperture.
+
+  @param[in]  Mem              MMIO aperture.
+
+  @param[in]  MemAbove4G       MMIO aperture above 4G.
+
+  @param[in]  PMem             Prefetchable MMIO aperture.
+
+  @param[in]  PMemAbove4G      Prefetchable MMIO aperture above 4G.
+
+  @param[out] RootBus          The PCI_ROOT_BRIDGE structure (allocated by the
+                               caller) that should be filled in by this
+                               function.
+
+  @retval EFI_SUCCESS           Initialization successful. A device path
+                                consisting of an ACPI device path node, with
+                                UID = RootBusNumber, has been allocated and
+                                linked into RootBus.
+
+  @retval EFI_OUT_OF_RESOURCES  Memory allocation failed.
+**/
+EFI_STATUS
+InitRootBridge (
+  IN  UINT64                   Supports,
+  IN  UINT64                   Attributes,
+  IN  UINT64                   AllocAttributes,
+  IN  UINT8                    RootBusNumber,
+  IN  UINT8                    MaxSubBusNumber,
+  IN  PCI_ROOT_BRIDGE_APERTURE *Io,
+  IN  PCI_ROOT_BRIDGE_APERTURE *Mem,
+  IN  PCI_ROOT_BRIDGE_APERTURE *MemAbove4G,
+  IN  PCI_ROOT_BRIDGE_APERTURE *PMem,
+  IN  PCI_ROOT_BRIDGE_APERTURE *PMemAbove4G,
+  OUT PCI_ROOT_BRIDGE          *RootBus
+  )
+{
+  OVMF_PCI_ROOT_BRIDGE_DEVICE_PATH *DevicePath;
+
+  //
+  // Be safe if other fields are added to PCI_ROOT_BRIDGE later.
+  //
+  ZeroMem (RootBus, sizeof *RootBus);
+
+  RootBus->Segment = 0;
+
+  RootBus->Supports   = Supports;
+  RootBus->Attributes = Attributes;
+
+  RootBus->DmaAbove4G = FALSE;
+
+  RootBus->AllocationAttributes = AllocAttributes;
+  RootBus->Bus.Base  = RootBusNumber;
+  RootBus->Bus.Limit = MaxSubBusNumber;
+  CopyMem (&RootBus->Io, Io, sizeof (*Io));
+  CopyMem (&RootBus->Mem, Mem, sizeof (*Mem));
+  CopyMem (&RootBus->MemAbove4G, MemAbove4G, sizeof (*MemAbove4G));
+  CopyMem (&RootBus->PMem, PMem, sizeof (*PMem));
+  CopyMem (&RootBus->PMemAbove4G, PMemAbove4G, sizeof (*PMemAbove4G));
+
+  RootBus->NoExtendedConfigSpace = (PcdGet16 (PcdSimicsX58HostBridgePciDevId) !=
+                                    INTEL_ICH10_DEVICE_ID);
+
+  DevicePath = AllocateCopyPool (sizeof mRootBridgeDevicePathTemplate,
+                 &mRootBridgeDevicePathTemplate);
+  if (DevicePath == NULL) {
+    DEBUG ((EFI_D_ERROR, "%a: %r\n", __FUNCTION__, EFI_OUT_OF_RESOURCES));
+    return EFI_OUT_OF_RESOURCES;
+  }
+  DevicePath->AcpiDevicePath.UID = RootBusNumber;
+  RootBus->DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)DevicePath;
+
+  DEBUG ((EFI_D_INFO,
+    "%a: populated root bus %d, with room for %d subordinate bus(es)\n",
+    __FUNCTION__, RootBusNumber, MaxSubBusNumber - RootBusNumber));
+  return EFI_SUCCESS;
+}
+
+
+/**
+  Uninitialize a PCI_ROOT_BRIDGE structure set up with InitRootBridge().
+
+  param[in] RootBus  The PCI_ROOT_BRIDGE structure, allocated by the caller and
+                     initialized with InitRootBridge(), that should be
+                     uninitialized. This function doesn't free RootBus.
+**/
+STATIC
+VOID
+UninitRootBridge (
+  IN PCI_ROOT_BRIDGE *RootBus
+  )
+{
+  FreePool (RootBus->DevicePath);
+}
+
+
+/**
+  Return all the root bridge instances in an array.
+
+  @param Count  Return the count of root bridge instances.
+
+  @return All the root bridge instances in an array.
+          The array should be passed into PciHostBridgeFreeRootBridges()
+          when it's not used.
+**/
+PCI_ROOT_BRIDGE *
+EFIAPI
+PciHostBridgeGetRootBridges (
+  UINTN *Count
+  )
+{
+  EFI_STATUS           Status;
+  UINT64               ExtraRootBridges;
+  PCI_ROOT_BRIDGE      *Bridges;
+  UINTN                Initialized;
+  UINTN                LastRootBridgeNumber;
+  UINTN                RootBridgeNumber;
+  UINT64               Attributes;
+  UINT64               AllocationAttributes;
+  PCI_ROOT_BRIDGE_APERTURE Io;
+  PCI_ROOT_BRIDGE_APERTURE Mem;
+  PCI_ROOT_BRIDGE_APERTURE MemAbove4G;
+
+  ZeroMem (&Io, sizeof (Io));
+  ZeroMem (&Mem, sizeof (Mem));
+  ZeroMem (&MemAbove4G, sizeof (MemAbove4G));
+
+  Attributes = EFI_PCI_ATTRIBUTE_IDE_PRIMARY_IO |
+    EFI_PCI_ATTRIBUTE_IDE_SECONDARY_IO |
+    EFI_PCI_ATTRIBUTE_ISA_IO_16 |
+    EFI_PCI_ATTRIBUTE_ISA_MOTHERBOARD_IO |
+    EFI_PCI_ATTRIBUTE_VGA_MEMORY |
+    EFI_PCI_ATTRIBUTE_VGA_IO_16 |
+    EFI_PCI_ATTRIBUTE_VGA_PALETTE_IO_16;
+
+  AllocationAttributes = EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM;
+  if (PcdGet64 (PcdPciMmio64Size) > 0) {
+    AllocationAttributes |= EFI_PCI_HOST_BRIDGE_MEM64_DECODE;
+    MemAbove4G.Base = PcdGet64 (PcdPciMmio64Base);
+    MemAbove4G.Limit = PcdGet64 (PcdPciMmio64Base) +
+                       PcdGet64 (PcdPciMmio64Size) - 1;
+  } else {
+    CopyMem (&MemAbove4G, &mNonExistAperture, sizeof (mNonExistAperture));
+  }
+
+  Io.Base = PcdGet64 (PcdPciIoBase);
+  Io.Limit = PcdGet64 (PcdPciIoBase) + (PcdGet64 (PcdPciIoSize) - 1);
+  Mem.Base = PcdGet64 (PcdPciMmio32Base);
+  Mem.Limit = PcdGet64 (PcdPciMmio32Base) + (PcdGet64 (PcdPciMmio32Size) - 1);
+
+  *Count = 0;
+  ExtraRootBridges = 0;
+
+  //
+  // Allocate the "main" root bridge, and any extra root bridges.
+  //
+  Bridges = AllocatePool ((1 + (UINTN)ExtraRootBridges) * sizeof *Bridges);
+  if (Bridges == NULL) {
+    DEBUG ((EFI_D_ERROR, "%a: %r\n", __FUNCTION__, EFI_OUT_OF_RESOURCES));
+    return NULL;
+  }
+  Initialized = 0;
+
+  //
+  // The "main" root bus is always there.
+  //
+  LastRootBridgeNumber = 0;
+
+  //
+  // Scan all other root buses. If function 0 of any device on a bus returns a
+  // VendorId register value different from all-bits-one, then that bus is
+  // alive.
+  //
+  for (RootBridgeNumber = 1;
+       RootBridgeNumber <= PCI_MAX_BUS && Initialized < ExtraRootBridges;
+       ++RootBridgeNumber) {
+    UINTN Device;
+
+    for (Device = 0; Device <= PCI_MAX_DEVICE; ++Device) {
+      if (PciRead16 (PCI_LIB_ADDRESS (RootBridgeNumber, Device, 0,
+                       PCI_VENDOR_ID_OFFSET)) != MAX_UINT16) {
+        break;
+      }
+    }
+    if (Device <= PCI_MAX_DEVICE) {
+      //
+      // Found the next root bus. We can now install the *previous* one,
+      // because now we know how big a bus number range *that* one has, for any
+      // subordinate buses that might exist behind PCI bridges hanging off it.
+      //
+      Status = InitRootBridge (
+        Attributes,
+        Attributes,
+        AllocationAttributes,
+        (UINT8) LastRootBridgeNumber,
+        (UINT8) (RootBridgeNumber - 1),
+        &Io,
+        &Mem,
+        &MemAbove4G,
+        &mNonExistAperture,
+        &mNonExistAperture,
+        &Bridges[Initialized]
+        );
+      if (EFI_ERROR (Status)) {
+        goto FreeBridges;
+      }
+      ++Initialized;
+      LastRootBridgeNumber = RootBridgeNumber;
+    }
+  }
+
+  //
+  // Install the last root bus (which might be the only, ie. main, root bus, if
+  // we've found no extra root buses).
+  //
+  Status = InitRootBridge (
+    Attributes,
+    Attributes,
+    AllocationAttributes,
+    (UINT8) LastRootBridgeNumber,
+    PCI_MAX_BUS,
+    &Io,
+    &Mem,
+    &MemAbove4G,
+    &mNonExistAperture,
+    &mNonExistAperture,
+    &Bridges[Initialized]
+    );
+  if (EFI_ERROR (Status)) {
+    goto FreeBridges;
+  }
+  ++Initialized;
+
+  *Count = Initialized;
+  return Bridges;
+
+FreeBridges:
+  while (Initialized > 0) {
+    --Initialized;
+    UninitRootBridge (&Bridges[Initialized]);
+  }
+
+  FreePool (Bridges);
+  return NULL;
+}
+
+
+/**
+  Free the root bridge instances array returned from
+  PciHostBridgeGetRootBridges().
+
+  @param  The root bridge instances array.
+  @param  The count of the array.
+**/
+VOID
+EFIAPI
+PciHostBridgeFreeRootBridges (
+  PCI_ROOT_BRIDGE *Bridges,
+  UINTN           Count
+  )
+{
+  if (Bridges == NULL && Count == 0) {
+    return;
+  }
+  ASSERT (Bridges != NULL && Count > 0);
+
+  do {
+    --Count;
+    UninitRootBridge (&Bridges[Count]);
+  } while (Count > 0);
+
+  FreePool (Bridges);
+}
+
+
+/**
+  Inform the platform that the resource conflict happens.
+
+  @param HostBridgeHandle Handle of the Host Bridge.
+  @param Configuration    Pointer to PCI I/O and PCI memory resource
+                          descriptors. The Configuration contains the resources
+                          for all the root bridges. The resource for each root
+                          bridge is terminated with END descriptor and an
+                          additional END is appended indicating the end of the
+                          entire resources. The resource descriptor field
+                          values follow the description in
+                          EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL
+                          .SubmitResources().
+**/
+VOID
+EFIAPI
+PciHostBridgeResourceConflict (
+  EFI_HANDLE                        HostBridgeHandle,
+  VOID                              *Configuration
+  )
+{
+  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Descriptor;
+  UINTN                             RootBridgeIndex;
+  DEBUG ((EFI_D_ERROR, "PciHostBridge: Resource conflict happens!\n"));
+
+  RootBridgeIndex = 0;
+  Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *) Configuration;
+  while (Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR) {
+    DEBUG ((EFI_D_ERROR, "RootBridge[%d]:\n", RootBridgeIndex++));
+    for (; Descriptor->Desc == ACPI_ADDRESS_SPACE_DESCRIPTOR; Descriptor++) {
+      ASSERT (Descriptor->ResType <
+              (sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr) /
+               sizeof (mPciHostBridgeLibAcpiAddressSpaceTypeStr[0])
+               )
+              );
+      DEBUG ((EFI_D_ERROR, " %s: Length/Alignment = 0x%lx / 0x%lx\n",
+              mPciHostBridgeLibAcpiAddressSpaceTypeStr[Descriptor->ResType],
+              Descriptor->AddrLen, Descriptor->AddrRangeMax
+              ));
+      if (Descriptor->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM) {
+        DEBUG ((EFI_D_ERROR, "     Granularity/SpecificFlag = %ld / %02x%s\n",
+                Descriptor->AddrSpaceGranularity, Descriptor->SpecificFlag,
+                ((Descriptor->SpecificFlag &
+                  EFI_ACPI_MEMORY_RESOURCE_SPECIFIC_FLAG_CACHEABLE_PREFETCHABLE
+                  ) != 0) ? L" (Prefetchable)" : L""
+                ));
+      }
+    }
+    //
+    // Skip the END descriptor for root bridge
+    //
+    ASSERT (Descriptor->Desc == ACPI_END_TAG_DESCRIPTOR);
+    Descriptor = (EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *)(
+                   (EFI_ACPI_END_TAG_DESCRIPTOR *)Descriptor + 1
+                   );
+  }
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.c
new file mode 100644
index 0000000000..0b66862e46
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.c
@@ -0,0 +1,1553 @@
+/** @file
+  Platform BDS customizations.
+
+  Copyright (c) 2004 - 2018 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "BdsPlatform.h"
+#include <Guid/RootBridgesConnectedEventGroup.h>
+#include <Protocol/FirmwareVolume2.h>
+
+#define LEGACY_8259_MASK_REGISTER_MASTER                  0x21
+#define LEGACY_8259_MASK_REGISTER_SLAVE                   0xA1
+#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER  0x4D0
+#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE   0x4D1
+
+//
+// Global data
+//
+
+VOID          *mEfiDevPathNotifyReg;
+EFI_EVENT     mEfiDevPathEvent;
+VOID          *mEmuVariableEventReg;
+EFI_EVENT     mEmuVariableEvent;
+BOOLEAN       mDetectVgaOnly;
+UINT16        mHostBridgeDevId;
+
+//
+// Table of host IRQs matching PCI IRQs A-D
+// (for configuring PCI Interrupt Line register)
+//
+CONST UINT8 PciHostIrqs[] = {
+  0x0a, 0x0a, 0x0b, 0x0b
+};
+
+//
+// Type definitions
+//
+
+typedef
+EFI_STATUS
+(EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(
+  IN EFI_HANDLE           Handle,
+  IN VOID                 *Instance,
+  IN VOID                 *Context
+  );
+
+/**
+  @param[in]  Handle - Handle of PCI device instance
+  @param[in]  PciIo - PCI IO protocol instance
+  @param[in]  Pci - PCI Header register block
+**/
+typedef
+EFI_STATUS
+(EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(
+  IN EFI_HANDLE           Handle,
+  IN EFI_PCI_IO_PROTOCOL  *PciIo,
+  IN PCI_TYPE00           *Pci
+  );
+
+
+//
+// Function prototypes
+//
+
+EFI_STATUS
+VisitAllInstancesOfProtocol (
+  IN EFI_GUID                    *Id,
+  IN PROTOCOL_INSTANCE_CALLBACK  CallBackFunction,
+  IN VOID                        *Context
+  );
+
+EFI_STATUS
+VisitAllPciInstancesOfProtocol (
+  IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
+  );
+
+VOID
+InstallDevicePathCallback (
+  VOID
+  );
+
+VOID
+PlatformRegisterFvBootOption (
+  EFI_GUID                         *FileGuid,
+  CHAR16                           *Description,
+  UINT32                           Attributes
+  )
+{
+  EFI_STATUS                        Status;
+  INTN                              OptionIndex;
+  EFI_BOOT_MANAGER_LOAD_OPTION      NewOption;
+  EFI_BOOT_MANAGER_LOAD_OPTION      *BootOptions;
+  UINTN                             BootOptionCount;
+  MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;
+  EFI_LOADED_IMAGE_PROTOCOL         *LoadedImage;
+  EFI_DEVICE_PATH_PROTOCOL          *DevicePath;
+
+  Status = gBS->HandleProtocol (
+                  gImageHandle,
+                  &gEfiLoadedImageProtocolGuid,
+                  (VOID **) &LoadedImage
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);
+  DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);
+  ASSERT (DevicePath != NULL);
+  DevicePath = AppendDevicePathNode (
+                 DevicePath,
+                 (EFI_DEVICE_PATH_PROTOCOL *) &FileNode
+                 );
+  ASSERT (DevicePath != NULL);
+
+  Status = EfiBootManagerInitializeLoadOption (
+             &NewOption,
+             LoadOptionNumberUnassigned,
+             LoadOptionTypeBoot,
+             Attributes,
+             Description,
+             DevicePath,
+             NULL,
+             0
+             );
+  ASSERT_EFI_ERROR (Status);
+  FreePool (DevicePath);
+
+  BootOptions = EfiBootManagerGetLoadOptions (
+                  &BootOptionCount, LoadOptionTypeBoot
+                  );
+
+  OptionIndex = EfiBootManagerFindLoadOption (
+                  &NewOption, BootOptions, BootOptionCount
+                  );
+
+  if (OptionIndex == -1) {
+    Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);
+    ASSERT_EFI_ERROR (Status);
+  }
+  EfiBootManagerFreeLoadOption (&NewOption);
+  EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
+}
+
+/**
+  Remove all MemoryMapped(...)/FvFile(...) and Fv(...)/FvFile(...) boot options
+  whose device paths do not resolve exactly to an FvFile in the system.
+
+  This removes any boot options that point to binaries built into the firmware
+  and have become stale due to any of the following:
+  - DXEFV's base address or size changed (historical),
+  - DXEFV's FvNameGuid changed,
+  - the FILE_GUID of the pointed-to binary changed,
+  - the referenced binary is no longer built into the firmware.
+
+  EfiBootManagerFindLoadOption() used in PlatformRegisterFvBootOption() only
+  avoids exact duplicates.
+**/
+VOID
+RemoveStaleFvFileOptions (
+  VOID
+  )
+{
+  EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;
+  UINTN                        BootOptionCount;
+  UINTN                        Index;
+
+  BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount,
+                  LoadOptionTypeBoot);
+
+  for (Index = 0; Index < BootOptionCount; ++Index) {
+    EFI_DEVICE_PATH_PROTOCOL *Node1, *Node2, *SearchNode;
+    EFI_STATUS               Status;
+    EFI_HANDLE               FvHandle;
+
+    //
+    // If the device path starts with neither MemoryMapped(...) nor Fv(...),
+    // then keep the boot option.
+    //
+    Node1 = BootOptions[Index].FilePath;
+    if (!(DevicePathType (Node1) == HARDWARE_DEVICE_PATH &&
+          DevicePathSubType (Node1) == HW_MEMMAP_DP) &&
+        !(DevicePathType (Node1) == MEDIA_DEVICE_PATH &&
+          DevicePathSubType (Node1) == MEDIA_PIWG_FW_VOL_DP)) {
+      continue;
+    }
+
+    //
+    // If the second device path node is not FvFile(...), then keep the boot
+    // option.
+    //
+    Node2 = NextDevicePathNode (Node1);
+    if (DevicePathType (Node2) != MEDIA_DEVICE_PATH ||
+        DevicePathSubType (Node2) != MEDIA_PIWG_FW_FILE_DP) {
+      continue;
+    }
+
+    //
+    // Locate the Firmware Volume2 protocol instance that is denoted by the
+    // boot option. If this lookup fails (i.e., the boot option references a
+    // firmware volume that doesn't exist), then we'll proceed to delete the
+    // boot option.
+    //
+    SearchNode = Node1;
+    Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid,
+                    &SearchNode, &FvHandle);
+
+    if (!EFI_ERROR (Status)) {
+      //
+      // The firmware volume was found; now let's see if it contains the FvFile
+      // identified by GUID.
+      //
+      EFI_FIRMWARE_VOLUME2_PROTOCOL     *FvProtocol;
+      MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFileNode;
+      UINTN                             BufferSize;
+      EFI_FV_FILETYPE                   FoundType;
+      EFI_FV_FILE_ATTRIBUTES            FileAttributes;
+      UINT32                            AuthenticationStatus;
+
+      Status = gBS->HandleProtocol (FvHandle, &gEfiFirmwareVolume2ProtocolGuid,
+                      (VOID **)&FvProtocol);
+      ASSERT_EFI_ERROR (Status);
+
+      FvFileNode = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)Node2;
+      //
+      // Buffer==NULL means we request metadata only: BufferSize, FoundType,
+      // FileAttributes.
+      //
+      Status = FvProtocol->ReadFile (
+                             FvProtocol,
+                             &FvFileNode->FvFileName, // NameGuid
+                             NULL,                    // Buffer
+                             &BufferSize,
+                             &FoundType,
+                             &FileAttributes,
+                             &AuthenticationStatus
+                             );
+      if (!EFI_ERROR (Status)) {
+        //
+        // The FvFile was found. Keep the boot option.
+        //
+        continue;
+      }
+    }
+
+    //
+    // Delete the boot option.
+    //
+    Status = EfiBootManagerDeleteLoadOptionVariable (
+               BootOptions[Index].OptionNumber, LoadOptionTypeBoot);
+    DEBUG_CODE (
+      CHAR16 *DevicePathString;
+
+      DevicePathString = ConvertDevicePathToText(BootOptions[Index].FilePath,
+                           FALSE, FALSE);
+      DEBUG ((
+        EFI_ERROR (Status) ? EFI_D_WARN : EFI_D_VERBOSE,
+        "%a: removing stale Boot#%04x %s: %r\n",
+        __FUNCTION__,
+        (UINT32)BootOptions[Index].OptionNumber,
+        DevicePathString == NULL ? L"<unavailable>" : DevicePathString,
+        Status
+        ));
+      if (DevicePathString != NULL) {
+        FreePool (DevicePathString);
+      }
+      );
+  }
+
+  EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);
+}
+
+VOID
+PlatformRegisterOptionsAndKeys (
+  VOID
+  )
+{
+  EFI_STATUS                   Status;
+  EFI_INPUT_KEY                Enter;
+  EFI_INPUT_KEY                F2;
+  EFI_INPUT_KEY                Esc;
+  EFI_BOOT_MANAGER_LOAD_OPTION BootOption;
+
+  //
+  // Register ENTER as CONTINUE key
+  //
+  Enter.ScanCode    = SCAN_NULL;
+  Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;
+  Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Map F2 to Boot Manager Menu
+  //
+  F2.ScanCode     = SCAN_F2;
+  F2.UnicodeChar  = CHAR_NULL;
+  Esc.ScanCode    = SCAN_ESC;
+  Esc.UnicodeChar = CHAR_NULL;
+  Status = EfiBootManagerGetBootManagerMenu (&BootOption);
+  ASSERT_EFI_ERROR (Status);
+  Status = EfiBootManagerAddKeyOptionVariable (
+             NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL
+             );
+  ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);
+  Status = EfiBootManagerAddKeyOptionVariable (
+             NULL, (UINT16) BootOption.OptionNumber, 0, &Esc, NULL
+             );
+  ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);
+}
+
+EFI_STATUS
+EFIAPI
+ConnectRootBridge (
+  IN EFI_HANDLE  RootBridgeHandle,
+  IN VOID        *Instance,
+  IN VOID        *Context
+  );
+
+STATIC
+VOID
+SaveS3BootScript (
+  VOID
+  );
+
+//
+// BDS Platform Functions
+//
+/**
+  Do the platform init, can be customized by OEM/IBV
+
+  Possible things that can be done in PlatformBootManagerBeforeConsole:
+
+  > Update console variable: 1. include hot-plug devices;
+  >                          2. Clear ConIn and add SOL for AMT
+  > Register new Driver#### or Boot####
+  > Register new Key####: e.g.: F12
+  > Signal ReadyToLock event
+  > Authentication action: 1. connect Auth devices;
+  >                        2. Identify auto logon user.
+**/
+VOID
+EFIAPI
+PlatformBootManagerBeforeConsole (
+  VOID
+  )
+{
+//  EFI_HANDLE    Handle;
+//  EFI_STATUS    Status;
+
+  DEBUG ((EFI_D_INFO, "PlatformBootManagerBeforeConsole\n"));
+  InstallDevicePathCallback ();
+
+  VisitAllInstancesOfProtocol (&gEfiPciRootBridgeIoProtocolGuid,
+    ConnectRootBridge, NULL);
+  //
+  // Enable LPC
+  //
+  PciOr16(POWER_MGMT_REGISTER_ICH10(0x04),
+           BIT0 | BIT1 | BIT2);
+  //
+  // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers
+  // the preparation of S3 system information. That logic has a hard dependency
+  // on the presence of the FACS ACPI table. Since our ACPI tables are only
+  // installed after PCI enumeration completes, we must not trigger the S3 save
+  // earlier, hence we can't signal End-of-Dxe earlier.
+  //
+  EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);
+
+  PlatformInitializeConsole (gPlatformConsole);
+
+  PlatformRegisterOptionsAndKeys ();
+}
+
+
+EFI_STATUS
+EFIAPI
+ConnectRootBridge (
+  IN EFI_HANDLE  RootBridgeHandle,
+  IN VOID        *Instance,
+  IN VOID        *Context
+  )
+{
+  EFI_STATUS Status;
+
+  //
+  // Make the PCI bus driver connect the root bridge, non-recursively. This
+  // will produce a number of child handles with PciIo on them.
+  //
+  Status = gBS->ConnectController (
+                  RootBridgeHandle, // ControllerHandle
+                  NULL,             // DriverImageHandle
+                  NULL,             // RemainingDevicePath -- produce all
+                                    //   children
+                  FALSE             // Recursive
+                  );
+  return Status;
+}
+
+
+/**
+  Add IsaKeyboard to ConIn; add IsaSerial to ConOut, ConIn, ErrOut.
+
+  @param[in] DeviceHandle  Handle of the LPC Bridge device.
+
+  @retval EFI_SUCCESS  Console devices on the LPC bridge have been added to
+                       ConOut, ConIn, and ErrOut.
+
+  @return              Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing
+                       from DeviceHandle.
+**/
+EFI_STATUS
+PrepareLpcBridgeDevicePath (
+  IN EFI_HANDLE                DeviceHandle
+  )
+{
+  EFI_STATUS                Status;
+  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
+  EFI_DEVICE_PATH_PROTOCOL  *TempDevicePath;
+  CHAR16                    *DevPathStr;
+
+  DevicePath = NULL;
+  Status = gBS->HandleProtocol (
+                  DeviceHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  (VOID*)&DevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+  TempDevicePath = DevicePath;
+
+  //
+  // Register Keyboard
+  //
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);
+
+  EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);
+
+  //
+  // Register COM1
+  //
+  DevicePath = TempDevicePath;
+  gPnp16550ComPortDeviceNode.UID = 0;
+
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
+
+  //
+  // Print Device Path
+  //
+  DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);
+  if (DevPathStr != NULL) {
+    DEBUG((
+      EFI_D_INFO,
+      "BdsPlatform.c+%d: COM%d DevPath: %s\n",
+      __LINE__,
+      gPnp16550ComPortDeviceNode.UID + 1,
+      DevPathStr
+      ));
+    FreePool(DevPathStr);
+  }
+
+  EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);
+
+  //
+  // Register COM2
+  //
+  DevicePath = TempDevicePath;
+  gPnp16550ComPortDeviceNode.UID = 1;
+
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
+
+  //
+  // Print Device Path
+  //
+  DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);
+  if (DevPathStr != NULL) {
+    DEBUG((
+      EFI_D_INFO,
+      "BdsPlatform.c+%d: COM%d DevPath: %s\n",
+      __LINE__,
+      gPnp16550ComPortDeviceNode.UID + 1,
+      DevPathStr
+      ));
+    FreePool(DevPathStr);
+  }
+
+  EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+GetGopDevicePath (
+   IN  EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,
+   OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath
+   )
+{
+  UINTN                           Index;
+  EFI_STATUS                      Status;
+  EFI_HANDLE                      PciDeviceHandle;
+  EFI_DEVICE_PATH_PROTOCOL        *TempDevicePath;
+  EFI_DEVICE_PATH_PROTOCOL        *TempPciDevicePath;
+  UINTN                           GopHandleCount;
+  EFI_HANDLE                      *GopHandleBuffer;
+
+  if (PciDevicePath == NULL || GopDevicePath == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  //
+  // Initialize the GopDevicePath to be PciDevicePath
+  //
+  *GopDevicePath    = PciDevicePath;
+  TempPciDevicePath = PciDevicePath;
+
+  Status = gBS->LocateDevicePath (
+                  &gEfiDevicePathProtocolGuid,
+                  &TempPciDevicePath,
+                  &PciDeviceHandle
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Try to connect this handle, so that GOP driver could start on this
+  // device and create child handles with GraphicsOutput Protocol installed
+  // on them, then we get device paths of these child handles and select
+  // them as possible console device.
+  //
+  gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);
+
+  Status = gBS->LocateHandleBuffer (
+                  ByProtocol,
+                  &gEfiGraphicsOutputProtocolGuid,
+                  NULL,
+                  &GopHandleCount,
+                  &GopHandleBuffer
+                  );
+  if (!EFI_ERROR (Status)) {
+    //
+    // Add all the child handles as possible Console Device
+    //
+    for (Index = 0; Index < GopHandleCount; Index++) {
+      Status = gBS->HandleProtocol (GopHandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);
+      if (EFI_ERROR (Status)) {
+        continue;
+      }
+      if (CompareMem (
+            PciDevicePath,
+            TempDevicePath,
+            GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH
+            ) == 0) {
+        //
+        // In current implementation, we only enable one of the child handles
+        // as console device, i.e. sotre one of the child handle's device
+        // path to variable "ConOut"
+        // In future, we could select all child handles to be console device
+        //
+
+        *GopDevicePath = TempDevicePath;
+
+        //
+        // Delete the PCI device's path that added by
+        // GetPlugInPciVgaDevicePath(). Add the integrity GOP device path.
+        //
+        EfiBootManagerUpdateConsoleVariable (ConOutDev, NULL, PciDevicePath);
+        EfiBootManagerUpdateConsoleVariable (ConOutDev, TempDevicePath, NULL);
+      }
+    }
+    gBS->FreePool (GopHandleBuffer);
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Add PCI display to ConOut.
+
+  @param[in] DeviceHandle  Handle of the PCI display device.
+
+  @retval EFI_SUCCESS  The PCI display device has been added to ConOut.
+
+  @return              Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing
+                       from DeviceHandle.
+**/
+EFI_STATUS
+PreparePciDisplayDevicePath (
+  IN EFI_HANDLE                DeviceHandle
+  )
+{
+  EFI_STATUS                Status;
+  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
+  EFI_DEVICE_PATH_PROTOCOL  *GopDevicePath;
+
+  DevicePath    = NULL;
+  GopDevicePath = NULL;
+  Status = gBS->HandleProtocol (
+                  DeviceHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  (VOID*)&DevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  GetGopDevicePath (DevicePath, &GopDevicePath);
+  DevicePath = GopDevicePath;
+
+  EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Add PCI Serial to ConOut, ConIn, ErrOut.
+
+  @param[in] DeviceHandle  Handle of the PCI serial device.
+
+  @retval EFI_SUCCESS  The PCI serial device has been added to ConOut, ConIn,
+                       ErrOut.
+
+  @return              Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing
+                       from DeviceHandle.
+**/
+EFI_STATUS
+PreparePciSerialDevicePath (
+  IN EFI_HANDLE                DeviceHandle
+  )
+{
+  EFI_STATUS                Status;
+  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
+
+  DevicePath = NULL;
+  Status = gBS->HandleProtocol (
+                  DeviceHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  (VOID*)&DevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
+  DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
+
+  EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);
+  EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+VisitAllInstancesOfProtocol (
+  IN EFI_GUID                    *Id,
+  IN PROTOCOL_INSTANCE_CALLBACK  CallBackFunction,
+  IN VOID                        *Context
+  )
+{
+  EFI_STATUS                Status;
+  UINTN                     HandleCount;
+  EFI_HANDLE                *HandleBuffer;
+  UINTN                     Index;
+  VOID                      *Instance;
+
+  //
+  // Start to check all the PciIo to find all possible device
+  //
+  HandleCount = 0;
+  HandleBuffer = NULL;
+  Status = gBS->LocateHandleBuffer (
+                  ByProtocol,
+                  Id,
+                  NULL,
+                  &HandleCount,
+                  &HandleBuffer
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  for (Index = 0; Index < HandleCount; Index++) {
+    Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);
+    if (EFI_ERROR (Status)) {
+      continue;
+    }
+
+    Status = (*CallBackFunction) (
+               HandleBuffer[Index],
+               Instance,
+               Context
+               );
+  }
+
+  gBS->FreePool (HandleBuffer);
+
+  return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+VisitingAPciInstance (
+  IN EFI_HANDLE  Handle,
+  IN VOID        *Instance,
+  IN VOID        *Context
+  )
+{
+  EFI_STATUS                Status;
+  EFI_PCI_IO_PROTOCOL       *PciIo;
+  PCI_TYPE00                Pci;
+
+  PciIo = (EFI_PCI_IO_PROTOCOL*) Instance;
+
+  //
+  // Check for all PCI device
+  //
+  Status = PciIo->Pci.Read (
+                    PciIo,
+                    EfiPciIoWidthUint32,
+                    0,
+                    sizeof (Pci) / sizeof (UINT32),
+                    &Pci
+                    );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (
+           Handle,
+           PciIo,
+           &Pci
+           );
+
+}
+
+
+
+EFI_STATUS
+VisitAllPciInstances (
+  IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
+  )
+{
+  return VisitAllInstancesOfProtocol (
+           &gEfiPciIoProtocolGuid,
+           VisitingAPciInstance,
+           (VOID*)(UINTN) CallBackFunction
+           );
+}
+
+
+/**
+  Do platform specific PCI Device check and add them to
+  ConOut, ConIn, ErrOut.
+
+  @param[in]  Handle - Handle of PCI device instance
+  @param[in]  PciIo - PCI IO protocol instance
+  @param[in]  Pci - PCI Header register block
+
+  @retval EFI_SUCCESS - PCI Device check and Console variable update
+                        successfully.
+  @retval EFI_STATUS - PCI Device check or Console variable update fail.
+
+**/
+EFI_STATUS
+EFIAPI
+DetectAndPreparePlatformPciDevicePath (
+  IN EFI_HANDLE           Handle,
+  IN EFI_PCI_IO_PROTOCOL  *PciIo,
+  IN PCI_TYPE00           *Pci
+  )
+{
+  EFI_STATUS                Status;
+
+  Status = PciIo->Attributes (
+    PciIo,
+    EfiPciIoAttributeOperationEnable,
+    EFI_PCI_DEVICE_ENABLE,
+    NULL
+    );
+  ASSERT_EFI_ERROR (Status);
+
+  if (!mDetectVgaOnly) {
+    //
+    // Here we decide whether it is LPC Bridge
+    //
+    if ((IS_PCI_LPC (Pci)) ||
+        ((IS_PCI_ISA_PDECODE (Pci)) &&
+         (Pci->Hdr.VendorId == 0x8086) &&
+         (Pci->Hdr.DeviceId == 0x7000)
+        )
+       ) {
+      //
+      // Add IsaKeyboard to ConIn,
+      // add IsaSerial to ConOut, ConIn, ErrOut
+      //
+      DEBUG ((EFI_D_INFO, "Found LPC Bridge device\n"));
+      PrepareLpcBridgeDevicePath (Handle);
+      return EFI_SUCCESS;
+    }
+    //
+    // Here we decide which Serial device to enable in PCI bus
+    //
+    if (IS_PCI_16550SERIAL (Pci)) {
+      //
+      // Add them to ConOut, ConIn, ErrOut.
+      //
+      DEBUG ((EFI_D_INFO, "Found PCI 16550 SERIAL device\n"));
+      PreparePciSerialDevicePath (Handle);
+      return EFI_SUCCESS;
+    }
+  }
+
+  //
+  // Here we decide which display device to enable in PCI bus
+  //
+  if (IS_PCI_DISPLAY (Pci)) {
+    //
+    // Add them to ConOut.
+    //
+    DEBUG ((EFI_D_INFO, "Found PCI display device\n"));
+    PreparePciDisplayDevicePath (Handle);
+    return EFI_SUCCESS;
+  }
+
+  return Status;
+}
+
+
+/**
+  Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
+
+  @param[in]  DetectVgaOnly - Only detect VGA device if it's TRUE.
+
+  @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.
+  @retval EFI_STATUS - PCI Device check or Console variable update fail.
+
+**/
+EFI_STATUS
+DetectAndPreparePlatformPciDevicePaths (
+  BOOLEAN DetectVgaOnly
+  )
+{
+  mDetectVgaOnly = DetectVgaOnly;
+  return VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);
+}
+
+/**
+  Connect the predefined platform default console device.
+
+  Always try to find and enable PCI display devices.
+
+  @param[in] PlatformConsole  Predefined platform default console device array.
+**/
+VOID
+PlatformInitializeConsole (
+  IN PLATFORM_CONSOLE_CONNECT_ENTRY   *PlatformConsole
+  )
+{
+  UINTN                              Index;
+  EFI_DEVICE_PATH_PROTOCOL           *VarConout;
+  EFI_DEVICE_PATH_PROTOCOL           *VarConin;
+
+  //
+  // Connect RootBridge
+  //
+  GetEfiGlobalVariable2 (EFI_CON_OUT_VARIABLE_NAME, (VOID **) &VarConout, NULL);
+  GetEfiGlobalVariable2 (EFI_CON_IN_VARIABLE_NAME, (VOID **) &VarConin, NULL);
+
+  if (VarConout == NULL || VarConin == NULL) {
+    //
+    // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
+    //
+    DetectAndPreparePlatformPciDevicePaths (FALSE);
+    DetectAndPreparePlatformPciDevicePaths(TRUE);
+    //
+    // Have chance to connect the platform default console,
+    // the platform default console is the minimue device group
+    // the platform should support
+    //
+    for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {
+      //
+      // Update the console variable with the connect type
+      //
+      if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {
+        EfiBootManagerUpdateConsoleVariable (ConIn, PlatformConsole[Index].DevicePath, NULL);
+      }
+      if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {
+        EfiBootManagerUpdateConsoleVariable (ConOut, PlatformConsole[Index].DevicePath, NULL);
+      }
+      if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {
+        EfiBootManagerUpdateConsoleVariable (ErrOut, PlatformConsole[Index].DevicePath, NULL);
+      }
+    }
+  } else {
+    //
+    // Only detect VGA device and add them to ConOut
+    //
+    DetectAndPreparePlatformPciDevicePaths (TRUE);
+  }
+}
+
+
+/**
+  Configure PCI Interrupt Line register for applicable devices
+  Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()
+
+  @param[in]  Handle - Handle of PCI device instance
+  @param[in]  PciIo - PCI IO protocol instance
+  @param[in]  PciHdr - PCI Header register block
+
+  @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+SetPciIntLine (
+  IN EFI_HANDLE           Handle,
+  IN EFI_PCI_IO_PROTOCOL  *PciIo,
+  IN PCI_TYPE00           *PciHdr
+  )
+{
+  EFI_DEVICE_PATH_PROTOCOL  *DevPathNode;
+  EFI_DEVICE_PATH_PROTOCOL  *DevPath;
+  UINTN                     RootSlot;
+  UINTN                     Idx;
+  UINT8                     IrqLine;
+  EFI_STATUS                Status;
+  UINT32                    RootBusNumber;
+
+  Status = EFI_SUCCESS;
+
+  if (PciHdr->Device.InterruptPin != 0) {
+
+    DevPathNode = DevicePathFromHandle (Handle);
+    ASSERT (DevPathNode != NULL);
+    DevPath = DevPathNode;
+
+    RootBusNumber = 0;
+    if (DevicePathType (DevPathNode) == ACPI_DEVICE_PATH &&
+        DevicePathSubType (DevPathNode) == ACPI_DP &&
+        ((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID(0x0A03)) {
+      RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;
+    }
+
+    //
+    // Compute index into PciHostIrqs[] table by walking
+    // the device path and adding up all device numbers
+    //
+    Status = EFI_NOT_FOUND;
+    RootSlot = 0;
+    Idx = PciHdr->Device.InterruptPin - 1;
+    while (!IsDevicePathEnd (DevPathNode)) {
+      if (DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH &&
+          DevicePathSubType (DevPathNode) == HW_PCI_DP) {
+
+        Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;
+
+        //
+        // Unlike SeaBIOS, which starts climbing from the leaf device
+        // up toward the root, we traverse the device path starting at
+        // the root moving toward the leaf node.
+        // The slot number of the top-level parent bridge is needed
+        // with more than 24 slots on the root bus.
+        //
+        if (Status != EFI_SUCCESS) {
+          Status = EFI_SUCCESS;
+          RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;
+        }
+      }
+
+      DevPathNode = NextDevicePathNode (DevPathNode);
+    }
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+    if (RootBusNumber == 0 && RootSlot == 0) {
+      return Status; //bugbug: workaround; need SIMICS change B0/D0/F0 PCI_IntPin reg(0x3D) = 0X0
+//      DEBUG((
+//        EFI_D_ERROR,
+//       "%a: PCI host bridge (00:00.0) should have no interrupts!\n",
+//        __FUNCTION__
+//        ));
+//      ASSERT (FALSE);
+    }
+
+    //
+    // Final PciHostIrqs[] index calculation depends on the platform
+    // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()
+    //
+    switch (mHostBridgeDevId) {
+      case INTEL_82441_DEVICE_ID:
+        Idx -= 1;
+        break;
+      case INTEL_ICH10_DEVICE_ID:
+        //
+        // SeaBIOS contains the following comment:
+        // "Slots 0-24 rotate slot:pin mapping similar to piix above, but
+        //  with a different starting index.
+        //
+        //  Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"
+        //
+        if (RootSlot > 24) {
+          //
+          // in this case, subtract back out RootSlot from Idx
+          // (SeaBIOS never adds it to begin with, but that would make our
+          //  device path traversal loop above too awkward)
+          //
+          Idx -= RootSlot;
+        }
+        break;
+      default:
+        ASSERT (FALSE); // should never get here
+    }
+    Idx %= ARRAY_SIZE (PciHostIrqs);
+    IrqLine = PciHostIrqs[Idx];
+
+    DEBUG_CODE_BEGIN ();
+    {
+      CHAR16        *DevPathString;
+      STATIC CHAR16 Fallback[] = L"<failed to convert>";
+      UINTN         Segment, Bus, Device, Function;
+
+      DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);
+      if (DevPathString == NULL) {
+        DevPathString = Fallback;
+      }
+      Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);
+      ASSERT_EFI_ERROR (Status);
+
+      DEBUG ((EFI_D_VERBOSE, "%a: [%02x:%02x.%x] %s -> 0x%02x\n", __FUNCTION__,
+        (UINT32)Bus, (UINT32)Device, (UINT32)Function, DevPathString,
+        IrqLine));
+
+      if (DevPathString != Fallback) {
+        FreePool (DevPathString);
+      }
+    }
+    DEBUG_CODE_END ();
+
+    //
+    // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]
+    //
+    Status = PciIo->Pci.Write (
+               PciIo,
+               EfiPciIoWidthUint8,
+               PCI_INT_LINE_OFFSET,
+               1,
+               &IrqLine
+               );
+  }
+
+  return Status;
+}
+
+/**
+Write to mask and edge/level triggered registers of master and slave 8259 PICs.
+
+@param[in]  Mask       low byte for master PIC mask register,
+high byte for slave PIC mask register.
+@param[in]  EdgeLevel  low byte for master PIC edge/level triggered register,
+high byte for slave PIC edge/level triggered register.
+
+**/
+VOID
+Interrupt8259WriteMask(
+  IN UINT16  Mask,
+  IN UINT16  EdgeLevel
+)
+{
+  IoWrite8(LEGACY_8259_MASK_REGISTER_MASTER, (UINT8)Mask);
+  IoWrite8(LEGACY_8259_MASK_REGISTER_SLAVE, (UINT8)(Mask >> 8));
+  IoWrite8(LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER, (UINT8)EdgeLevel);
+  IoWrite8(LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE, (UINT8)(EdgeLevel >> 8));
+}
+
+VOID
+PciAcpiInitialization (
+  )
+{
+  UINTN  Pmba;
+
+  //
+  // Query Host Bridge DID to determine platform type
+  //
+  mHostBridgeDevId = PcdGet16 (PcdSimicsX58HostBridgePciDevId);
+  switch (mHostBridgeDevId) {
+    case INTEL_82441_DEVICE_ID:
+      Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);
+      //
+      // 00:01.0 ISA Bridge (PIIX4) LNK routing targets
+      //
+      PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // A
+      PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // B
+      PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // C
+      PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // D
+      break;
+    case INTEL_ICH10_DEVICE_ID:
+      Pmba = POWER_MGMT_REGISTER_ICH10 (ICH10_PMBASE);
+      //
+      // 00:1f.0 LPC Bridge LNK routing targets
+      //
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), 0x0a); // A
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), 0x0a); // B
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), 0x0b); // C
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), 0x0b); // D
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), 0x0a); // E
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), 0x0a); // F
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), 0x0b); // G
+      PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H
+      break;
+    default:
+      DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",
+        __FUNCTION__, mHostBridgeDevId));
+      ASSERT (FALSE);
+      return;
+  }
+
+  //
+  // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices
+  //
+  VisitAllPciInstances (SetPciIntLine);
+
+  //
+  // Set ACPI SCI_EN bit in PMCNTRL
+  //
+  IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);
+  //
+  // Set all 8259 interrupts to edge triggered and disabled
+  //
+  Interrupt8259WriteMask(0xFFFF, 0x0000);
+}
+
+EFI_STATUS
+EFIAPI
+ConnectRecursivelyIfPciMassStorage (
+  IN EFI_HANDLE           Handle,
+  IN EFI_PCI_IO_PROTOCOL  *Instance,
+  IN PCI_TYPE00           *PciHeader
+  )
+{
+  EFI_STATUS                Status;
+  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
+  CHAR16                    *DevPathStr;
+
+  //
+  // Recognize PCI Mass Storage
+  //
+  if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {
+    DevicePath = NULL;
+    Status = gBS->HandleProtocol (
+                    Handle,
+                    &gEfiDevicePathProtocolGuid,
+                    (VOID*)&DevicePath
+                    );
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+
+    //
+    // Print Device Path
+    //
+    DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);
+    if (DevPathStr != NULL) {
+      DEBUG((
+        EFI_D_INFO,
+        "Found Mass Storage device: %s\n",
+        DevPathStr
+        ));
+      FreePool(DevPathStr);
+    }
+
+    Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+
+  }
+
+  return EFI_SUCCESS;
+}
+
+
+/**
+  This notification function is invoked when the
+  EMU Variable FVB has been changed.
+
+  @param  Event                 The event that occurred
+  @param  Context               For EFI compatibility.  Not used.
+
+**/
+VOID
+EFIAPI
+EmuVariablesUpdatedCallback (
+  IN  EFI_EVENT Event,
+  IN  VOID      *Context
+  )
+{
+  DEBUG ((EFI_D_INFO, "EmuVariablesUpdatedCallback\n"));
+  UpdateNvVarsOnFileSystem ();
+}
+
+
+EFI_STATUS
+EFIAPI
+VisitingFileSystemInstance (
+  IN EFI_HANDLE  Handle,
+  IN VOID        *Instance,
+  IN VOID        *Context
+  )
+{
+  EFI_STATUS      Status;
+  STATIC BOOLEAN  ConnectedToFileSystem = FALSE;
+
+  if (ConnectedToFileSystem) {
+    return EFI_ALREADY_STARTED;
+  }
+
+  Status = ConnectNvVarsToFileSystem (Handle);
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  ConnectedToFileSystem = TRUE;
+  mEmuVariableEvent =
+    EfiCreateProtocolNotifyEvent (
+      &gEfiDevicePathProtocolGuid,
+      TPL_CALLBACK,
+      EmuVariablesUpdatedCallback,
+      NULL,
+      &mEmuVariableEventReg
+      );
+  PcdSet64 (PcdEmuVariableEvent, (UINT64)(UINTN) mEmuVariableEvent);
+
+  return EFI_SUCCESS;
+}
+
+
+VOID
+PlatformBdsRestoreNvVarsFromHardDisk (
+  )
+{
+  VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);
+  VisitAllInstancesOfProtocol (
+    &gEfiSimpleFileSystemProtocolGuid,
+    VisitingFileSystemInstance,
+    NULL
+    );
+
+}
+
+/**
+  Connect with predefined platform connect sequence.
+
+  The OEM/IBV can customize with their own connect sequence.
+**/
+VOID
+PlatformBdsConnectSequence (
+  VOID
+  )
+{
+  UINTN Index;
+
+  DEBUG ((EFI_D_INFO, "PlatformBdsConnectSequence\n"));
+
+  Index = 0;
+
+  //
+  // Here we can get the customized platform connect sequence
+  // Notes: we can connect with new variable which record the
+  // last time boots connect device path sequence
+  //
+  while (gPlatformConnectSequence[Index] != NULL) {
+    //
+    // Build the platform boot option
+    //
+    EfiBootManagerConnectDevicePath (gPlatformConnectSequence[Index], NULL);
+    Index++;
+  }
+
+  //
+  // Just use the simple policy to connect all devices
+  //
+  DEBUG ((EFI_D_INFO, "EfiBootManagerConnectAll\n"));
+  EfiBootManagerConnectAll ();
+
+  PciAcpiInitialization ();
+}
+
+/**
+  Save the S3 boot script.
+
+  Note that DxeSmmReadyToLock must be signaled after this function returns;
+  otherwise the script wouldn't be saved actually.
+**/
+STATIC
+VOID
+SaveS3BootScript (
+  VOID
+  )
+{
+  EFI_STATUS                 Status;
+  EFI_S3_SAVE_STATE_PROTOCOL *BootScript;
+  STATIC CONST UINT8         Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };
+
+  Status = gBS->LocateProtocol (&gEfiS3SaveStateProtocolGuid, NULL,
+                  (VOID **) &BootScript);
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Despite the opcode documentation in the PI spec, the protocol
+  // implementation embeds a deep copy of the info in the boot script, rather
+  // than storing just a pointer to runtime or NVS storage.
+  //
+  Status = BootScript->Write(BootScript, EFI_BOOT_SCRIPT_INFORMATION_OPCODE,
+                         (UINT32) sizeof Info,
+                         (EFI_PHYSICAL_ADDRESS)(UINTN) &Info);
+  ASSERT_EFI_ERROR (Status);
+}
+
+
+/**
+  Do the platform specific action after the console is ready
+
+  Possible things that can be done in PlatformBootManagerAfterConsole:
+
+  > Console post action:
+    > Dynamically switch output mode from 100x31 to 80x25 for certain senarino
+    > Signal console ready platform customized event
+  > Run diagnostics like memory testing
+  > Connect certain devices
+  > Dispatch aditional option roms
+  > Special boot: e.g.: USB boot, enter UI
+**/
+VOID
+EFIAPI
+PlatformBootManagerAfterConsole (
+  VOID
+  )
+{
+  EFI_BOOT_MODE                      BootMode;
+  EFI_HANDLE                         Handle;
+  EFI_STATUS                         Status;
+
+  DEBUG ((EFI_D_INFO, "PlatformBootManagerAfterConsole\n"));
+
+  //
+  // Prevent further changes to LockBoxes or SMRAM.
+  //
+  Handle = NULL;
+  Status = gBS->InstallProtocolInterface(&Handle,
+    &gEfiDxeSmmReadyToLockProtocolGuid, EFI_NATIVE_INTERFACE,
+      NULL);
+  ASSERT_EFI_ERROR(Status);
+
+  if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {
+    DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior: not restoring NvVars "
+      "from disk since flash variables appear to be supported.\n"));
+  } else {
+    //
+    // Try to restore variables from the hard disk early so
+    // they can be used for the other BDS connect operations.
+    //
+    PlatformBdsRestoreNvVarsFromHardDisk ();
+  }
+
+  //
+  // Get current Boot Mode
+  //
+  BootMode = GetBootModeHob ();
+  DEBUG ((EFI_D_ERROR, "Boot Mode:%x\n", BootMode));
+
+  //
+  // Go the different platform policy with different boot mode
+  // Notes: this part code can be change with the table policy
+  //
+  ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);
+
+  // Perform some platform specific connect sequence
+  //
+  PlatformBdsConnectSequence ();
+  //
+  // Logo show
+  //
+  BootLogoEnableLogo();
+
+  EfiBootManagerRefreshAllBootOption ();
+
+  //
+  // Register UEFI Shell
+  //
+  PlatformRegisterFvBootOption (
+    PcdGetPtr (PcdShellFile), L"EFI Internal Shell", LOAD_OPTION_ACTIVE
+    );
+
+  RemoveStaleFvFileOptions ();
+}
+
+/**
+  This notification function is invoked when an instance of the
+  EFI_DEVICE_PATH_PROTOCOL is produced.
+
+  @param  Event                 The event that occurred
+  @param  Context               For EFI compatibility.  Not used.
+
+**/
+VOID
+EFIAPI
+NotifyDevPath (
+  IN  EFI_EVENT Event,
+  IN  VOID      *Context
+  )
+{
+  EFI_HANDLE                            Handle;
+  EFI_STATUS                            Status;
+  UINTN                                 BufferSize;
+  EFI_DEVICE_PATH_PROTOCOL             *DevPathNode;
+  ATAPI_DEVICE_PATH                    *Atapi;
+
+  //
+  // Examine all new handles
+  //
+  for (;;) {
+    //
+    // Get the next handle
+    //
+    BufferSize = sizeof (Handle);
+    Status = gBS->LocateHandle (
+              ByRegisterNotify,
+              NULL,
+              mEfiDevPathNotifyReg,
+              &BufferSize,
+              &Handle
+              );
+
+    //
+    // If not found, we're done
+    //
+    if (EFI_NOT_FOUND == Status) {
+      break;
+    }
+
+    if (EFI_ERROR (Status)) {
+      continue;
+    }
+
+    //
+    // Get the DevicePath protocol on that handle
+    //
+    Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevPathNode);
+    ASSERT_EFI_ERROR (Status);
+
+    while (!IsDevicePathEnd (DevPathNode)) {
+      //
+      // Find the handler to dump this device path node
+      //
+      if (
+           (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&
+           (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)
+         ) {
+        Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;
+        PciOr16 (
+          PCI_LIB_ADDRESS (
+            0,
+            1,
+            1,
+            (Atapi->PrimarySecondary == 1) ? 0x42: 0x40
+            ),
+          BIT15
+          );
+      }
+
+      //
+      // Next device path node
+      //
+      DevPathNode = NextDevicePathNode (DevPathNode);
+    }
+  }
+
+  return;
+}
+
+
+VOID
+InstallDevicePathCallback (
+  VOID
+  )
+{
+  DEBUG ((EFI_D_INFO, "Registered NotifyDevPath Event\n"));
+  mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (
+                          &gEfiDevicePathProtocolGuid,
+                          TPL_CALLBACK,
+                          NotifyDevPath,
+                          NULL,
+                          &mEfiDevPathNotifyReg
+                          );
+}
+
+/**
+  This function is called each second during the boot manager waits the
+  timeout.
+
+  @param TimeoutRemain  The remaining timeout.
+**/
+VOID
+EFIAPI
+PlatformBootManagerWaitCallback (
+  UINT16          TimeoutRemain
+  )
+{
+  EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;
+  EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;
+  UINT16                              Timeout;
+
+  Timeout = PcdGet16 (PcdPlatformBootTimeOut);
+
+  Black.Raw = 0x00000000;
+  White.Raw = 0x00FFFFFF;
+
+  BootLogoUpdateProgress (
+    White.Pixel,
+    Black.Pixel,
+    L"Start boot option",
+    White.Pixel,
+    (Timeout - TimeoutRemain) * 100 / Timeout,
+    0
+    );
+}
+
+/**
+  The function is called when no boot option could be launched,
+  including platform recovery options and options pointing to applications
+  built into firmware volumes.
+
+  If this function returns, BDS attempts to enter an infinite loop.
+**/
+VOID
+EFIAPI
+PlatformBootManagerUnableToBoot (
+  VOID
+  )
+{
+  // BUGBUG- will do it if need
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformData.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformData.c
new file mode 100644
index 0000000000..5f1b16dd56
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformData.c
@@ -0,0 +1,35 @@
+/** @file
+  Defined the platform specific device path which will be used by
+  platform Bbd to perform the platform policy connect.
+
+  Copyright (c) 2004 - 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "BdsPlatform.h"
+
+ACPI_HID_DEVICE_PATH       gPnpPs2KeyboardDeviceNode  = gPnpPs2Keyboard;
+ACPI_HID_DEVICE_PATH       gPnp16550ComPortDeviceNode = gPnp16550ComPort;
+UART_DEVICE_PATH           gUartDeviceNode            = gUart;
+VENDOR_DEVICE_PATH         gTerminalTypeDeviceNode    = gPcAnsiTerminal;
+
+//
+// Platform specific keyboard device path
+//
+
+//
+// Predefined platform default console device path
+//
+PLATFORM_CONSOLE_CONNECT_ENTRY   gPlatformConsole[] = {
+  {
+    NULL,
+    0
+  }
+};
+
+//
+// Predefined platform connect sequence
+//
+EFI_DEVICE_PATH_PROTOCOL    *gPlatformConnectSequence[] = { NULL };
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.c
new file mode 100644
index 0000000000..d4a75ad140
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.c
@@ -0,0 +1,154 @@
+/** @file
+  Logo DXE Driver, install Edkii Platform Logo protocol.
+
+  Copyright (c) 2016 - 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Uefi.h>
+#include <Protocol/HiiDatabase.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/HiiImageEx.h>
+#include <Protocol/PlatformLogo.h>
+#include <Protocol/HiiPackageList.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+typedef struct {
+  EFI_IMAGE_ID                          ImageId;
+  EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE Attribute;
+  INTN                                  OffsetX;
+  INTN                                  OffsetY;
+} LOGO_ENTRY;
+
+EFI_HII_IMAGE_EX_PROTOCOL *mHiiImageEx;
+EFI_HII_HANDLE            mHiiHandle;
+LOGO_ENTRY                mLogos[] = {
+  {
+    IMAGE_TOKEN (IMG_LOGO),
+    EdkiiPlatformLogoDisplayAttributeCenter,
+    0,
+    0
+  }
+};
+
+/**
+  Load a platform logo image and return its data and attributes.
+
+  @param This              The pointer to this protocol instance.
+  @param Instance          The visible image instance is found.
+  @param Image             Points to the image.
+  @param Attribute         The display attributes of the image returned.
+  @param OffsetX           The X offset of the image regarding the Attribute.
+  @param OffsetY           The Y offset of the image regarding the Attribute.
+
+  @retval EFI_SUCCESS      The image was fetched successfully.
+  @retval EFI_NOT_FOUND    The specified image could not be found.
+**/
+EFI_STATUS
+EFIAPI
+GetImage (
+  IN     EDKII_PLATFORM_LOGO_PROTOCOL          *This,
+  IN OUT UINT32                                *Instance,
+     OUT EFI_IMAGE_INPUT                       *Image,
+     OUT EDKII_PLATFORM_LOGO_DISPLAY_ATTRIBUTE *Attribute,
+     OUT INTN                                  *OffsetX,
+     OUT INTN                                  *OffsetY
+  )
+{
+  UINT32 Current;
+  if (Instance == NULL || Image == NULL ||
+      Attribute == NULL || OffsetX == NULL || OffsetY == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Current = *Instance;
+  if (Current >= ARRAY_SIZE (mLogos)) {
+    return EFI_NOT_FOUND;
+  }
+
+  (*Instance)++;
+  *Attribute = mLogos[Current].Attribute;
+  *OffsetX   = mLogos[Current].OffsetX;
+  *OffsetY   = mLogos[Current].OffsetY;
+  return mHiiImageEx->GetImageEx (mHiiImageEx, mHiiHandle, mLogos[Current].ImageId, Image);
+}
+
+EDKII_PLATFORM_LOGO_PROTOCOL mPlatformLogo = {
+  GetImage
+};
+
+/**
+  Entrypoint of this module.
+
+  This function is the entrypoint of this module. It installs the Edkii
+  Platform Logo protocol.
+
+  @param  ImageHandle       The firmware allocated handle for the EFI image.
+  @param  SystemTable       A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeLogo (
+  IN EFI_HANDLE               ImageHandle,
+  IN EFI_SYSTEM_TABLE         *SystemTable
+  )
+{
+  EFI_STATUS                  Status;
+  EFI_HII_PACKAGE_LIST_HEADER *PackageList;
+  EFI_HII_DATABASE_PROTOCOL   *HiiDatabase;
+  EFI_HANDLE                  Handle;
+
+  Status = gBS->LocateProtocol (
+                  &gEfiHiiDatabaseProtocolGuid,
+                  NULL,
+                  (VOID **) &HiiDatabase
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  Status = gBS->LocateProtocol (
+                  &gEfiHiiImageExProtocolGuid,
+                  NULL,
+                  (VOID **) &mHiiImageEx
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Retrieve HII package list from ImageHandle
+  //
+  Status = gBS->OpenProtocol (
+                  ImageHandle,
+                  &gEfiHiiPackageListProtocolGuid,
+                  (VOID **) &PackageList,
+                  ImageHandle,
+                  NULL,
+                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
+                  );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "HII Image Package with logo not found in PE/COFF resource section\n"));
+    return Status;
+  }
+
+  //
+  // Publish HII package list to HII Database.
+  //
+  Status = HiiDatabase->NewPackageList (
+                          HiiDatabase,
+                          PackageList,
+                          NULL,
+                          &mHiiHandle
+                          );
+  if (!EFI_ERROR (Status)) {
+    Handle = NULL;
+    Status = gBS->InstallMultipleProtocolInterfaces (
+                    &Handle,
+                    &gEdkiiPlatformLogoProtocolGuid, &mPlatformLogo,
+                    NULL
+                    );
+  }
+  return Status;
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/PciLib.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/PciLib.c
new file mode 100644
index 0000000000..7544117a03
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/PciLib.c
@@ -0,0 +1,1221 @@
+/** @file
+  PCI Library functions that use
+  (a) I/O ports 0xCF8 and 0xCFC to perform PCI Configuration cycles, layering
+      on top of one PCI CF8 Library instance; or
+  (b) PCI Library functions that use the 256 MB PCI Express MMIO window to
+      perform PCI Configuration cycles, layering on PCI Express Library.
+
+  The decision is made in the entry point function, based on the OVMF platform
+  type, and then adhered to during the lifetime of the client module.
+
+  Copyright (C) 2016, Red Hat, Inc.
+  Copyright (c) 2006 - 2012 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Base.h>
+
+#include <IndustryStandard/X58Ich10.h>
+
+#include <Library/PciLib.h>
+#include <Library/PciCf8Lib.h>
+#include <Library/PciExpressLib.h>
+#include <Library/PcdLib.h>
+
+STATIC BOOLEAN mRunningOnIch10;
+
+RETURN_STATUS
+EFIAPI
+InitializeConfigAccessMethod (
+  VOID
+  )
+{
+  mRunningOnIch10 = (PcdGet16 (PcdSimicsX58HostBridgePciDevId) ==
+                   INTEL_ICH10_DEVICE_ID);
+  return RETURN_SUCCESS;
+}
+
+/**
+  Registers a PCI device so PCI configuration registers may be accessed after
+  SetVirtualAddressMap().
+
+  Registers the PCI device specified by Address so all the PCI configuration registers
+  associated with that PCI device may be accessed after SetVirtualAddressMap() is called.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+
+  @retval RETURN_SUCCESS           The PCI device was registered for runtime access.
+  @retval RETURN_UNSUPPORTED       An attempt was made to call this function
+                                   after ExitBootServices().
+  @retval RETURN_UNSUPPORTED       The resources required to access the PCI device
+                                   at runtime could not be mapped.
+  @retval RETURN_OUT_OF_RESOURCES  There are not enough resources available to
+                                   complete the registration.
+
+**/
+RETURN_STATUS
+EFIAPI
+PciRegisterForRuntimeAccess (
+  IN UINTN  Address
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressRegisterForRuntimeAccess (Address) :
+         PciCf8RegisterForRuntimeAccess (Address);
+}
+
+/**
+  Reads an 8-bit PCI configuration register.
+
+  Reads and returns the 8-bit PCI configuration register specified by Address.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+
+  @return The read value from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciRead8 (
+  IN      UINTN                     Address
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressRead8 (Address) :
+         PciCf8Read8 (Address);
+}
+
+/**
+  Writes an 8-bit PCI configuration register.
+
+  Writes the 8-bit PCI configuration register specified by Address with the
+  value specified by Value. Value is returned. This function must guarantee
+  that all PCI read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  Value   The value to write.
+
+  @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciWrite8 (
+  IN      UINTN                     Address,
+  IN      UINT8                     Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressWrite8 (Address, Value) :
+         PciCf8Write8 (Address, Value);
+}
+
+/**
+  Performs a bitwise OR of an 8-bit PCI configuration register with
+  an 8-bit value.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 8-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  OrData  The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciOr8 (
+  IN      UINTN                     Address,
+  IN      UINT8                     OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressOr8 (Address, OrData) :
+         PciCf8Or8 (Address, OrData);
+}
+
+/**
+  Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+  value.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 8-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciAnd8 (
+  IN      UINTN                     Address,
+  IN      UINT8                     AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAnd8 (Address, AndData) :
+         PciCf8And8 (Address, AndData);
+}
+
+/**
+  Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+  value, followed a  bitwise OR with another 8-bit value.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData,
+  performs a bitwise OR between the result of the AND operation and
+  the value specified by OrData, and writes the result to the 8-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+  @param  OrData  The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciAndThenOr8 (
+  IN      UINTN                     Address,
+  IN      UINT8                     AndData,
+  IN      UINT8                     OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAndThenOr8 (Address, AndData, OrData) :
+         PciCf8AndThenOr8 (Address, AndData, OrData);
+}
+
+/**
+  Reads a bit field of a PCI configuration register.
+
+  Reads the bit field in an 8-bit PCI configuration register. The bit field is
+  specified by the StartBit and the EndBit. The value of the bit field is
+  returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If StartBit is greater than 7, then ASSERT().
+  If EndBit is greater than 7, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to read.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..7.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..7.
+
+  @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldRead8 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldRead8 (Address, StartBit, EndBit) :
+         PciCf8BitFieldRead8 (Address, StartBit, EndBit);
+}
+
+/**
+  Writes a bit field to a PCI configuration register.
+
+  Writes Value to the bit field of the PCI configuration register. The bit
+  field is specified by the StartBit and the EndBit. All other bits in the
+  destination PCI configuration register are preserved. The new value of the
+  8-bit register is returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If StartBit is greater than 7, then ASSERT().
+  If EndBit is greater than 7, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..7.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..7.
+  @param  Value     The new value of the bit field.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldWrite8 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT8                     Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldWrite8 (Address, StartBit, EndBit, Value) :
+         PciCf8BitFieldWrite8 (Address, StartBit, EndBit, Value);
+}
+
+/**
+  Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+  writes the result back to the bit field in the 8-bit port.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 8-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized. Extra left bits in OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If StartBit is greater than 7, then ASSERT().
+  If EndBit is greater than 7, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..7.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..7.
+  @param  OrData    The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldOr8 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT8                     OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldOr8 (Address, StartBit, EndBit, OrData) :
+         PciCf8BitFieldOr8 (Address, StartBit, EndBit, OrData);
+}
+
+/**
+  Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+  AND, and writes the result back to the bit field in the 8-bit register.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 8-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized. Extra left bits in AndData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If StartBit is greater than 7, then ASSERT().
+  If EndBit is greater than 7, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..7.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..7.
+  @param  AndData   The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldAnd8 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT8                     AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAnd8 (Address, StartBit, EndBit, AndData) :
+         PciCf8BitFieldAnd8 (Address, StartBit, EndBit, AndData);
+}
+
+/**
+  Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+  bitwise OR, and writes the result back to the bit field in the
+  8-bit port.
+
+  Reads the 8-bit PCI configuration register specified by Address, performs a
+  bitwise AND followed by a bitwise OR between the read result and
+  the value specified by AndData, and writes the result to the 8-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized. Extra left bits in both AndData and
+  OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If StartBit is greater than 7, then ASSERT().
+  If EndBit is greater than 7, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..7.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..7.
+  @param  AndData   The value to AND with the PCI configuration register.
+  @param  OrData    The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciBitFieldAndThenOr8 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT8                     AndData,
+  IN      UINT8                     OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAndThenOr8 (Address, StartBit, EndBit, AndData, OrData) :
+         PciCf8BitFieldAndThenOr8 (Address, StartBit, EndBit, AndData, OrData);
+}
+
+/**
+  Reads a 16-bit PCI configuration register.
+
+  Reads and returns the 16-bit PCI configuration register specified by Address.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+
+  @return The read value from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciRead16 (
+  IN      UINTN                     Address
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressRead16 (Address) :
+         PciCf8Read16 (Address);
+}
+
+/**
+  Writes a 16-bit PCI configuration register.
+
+  Writes the 16-bit PCI configuration register specified by Address with the
+  value specified by Value. Value is returned. This function must guarantee
+  that all PCI read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  Value   The value to write.
+
+  @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciWrite16 (
+  IN      UINTN                     Address,
+  IN      UINT16                    Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressWrite16 (Address, Value) :
+         PciCf8Write16 (Address, Value);
+}
+
+/**
+  Performs a bitwise OR of a 16-bit PCI configuration register with
+  a 16-bit value.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 16-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  OrData  The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciOr16 (
+  IN      UINTN                     Address,
+  IN      UINT16                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressOr16 (Address, OrData) :
+         PciCf8Or16 (Address, OrData);
+}
+
+/**
+  Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+  value.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 16-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciAnd16 (
+  IN      UINTN                     Address,
+  IN      UINT16                    AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAnd16 (Address, AndData) :
+         PciCf8And16 (Address, AndData);
+}
+
+/**
+  Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+  value, followed a  bitwise OR with another 16-bit value.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData,
+  performs a bitwise OR between the result of the AND operation and
+  the value specified by OrData, and writes the result to the 16-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+  @param  OrData  The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciAndThenOr16 (
+  IN      UINTN                     Address,
+  IN      UINT16                    AndData,
+  IN      UINT16                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAndThenOr16 (Address, AndData, OrData) :
+         PciCf8AndThenOr16 (Address, AndData, OrData);
+}
+
+/**
+  Reads a bit field of a PCI configuration register.
+
+  Reads the bit field in a 16-bit PCI configuration register. The bit field is
+  specified by the StartBit and the EndBit. The value of the bit field is
+  returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+  If StartBit is greater than 15, then ASSERT().
+  If EndBit is greater than 15, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to read.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..15.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..15.
+
+  @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldRead16 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldRead16 (Address, StartBit, EndBit) :
+         PciCf8BitFieldRead16 (Address, StartBit, EndBit);
+}
+
+/**
+  Writes a bit field to a PCI configuration register.
+
+  Writes Value to the bit field of the PCI configuration register. The bit
+  field is specified by the StartBit and the EndBit. All other bits in the
+  destination PCI configuration register are preserved. The new value of the
+  16-bit register is returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+  If StartBit is greater than 15, then ASSERT().
+  If EndBit is greater than 15, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..15.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..15.
+  @param  Value     The new value of the bit field.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldWrite16 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT16                    Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldWrite16 (Address, StartBit, EndBit, Value) :
+         PciCf8BitFieldWrite16 (Address, StartBit, EndBit, Value);
+}
+
+/**
+  Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
+  writes the result back to the bit field in the 16-bit port.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 16-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized. Extra left bits in OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+  If StartBit is greater than 15, then ASSERT().
+  If EndBit is greater than 15, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..15.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..15.
+  @param  OrData    The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldOr16 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT16                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldOr16 (Address, StartBit, EndBit, OrData) :
+         PciCf8BitFieldOr16 (Address, StartBit, EndBit, OrData);
+}
+
+/**
+  Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
+  AND, and writes the result back to the bit field in the 16-bit register.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 16-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized. Extra left bits in AndData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+  If StartBit is greater than 15, then ASSERT().
+  If EndBit is greater than 15, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..15.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..15.
+  @param  AndData   The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldAnd16 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT16                    AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAnd16 (Address, StartBit, EndBit, AndData) :
+         PciCf8BitFieldAnd16 (Address, StartBit, EndBit, AndData);
+}
+
+/**
+  Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+  bitwise OR, and writes the result back to the bit field in the
+  16-bit port.
+
+  Reads the 16-bit PCI configuration register specified by Address, performs a
+  bitwise AND followed by a bitwise OR between the read result and
+  the value specified by AndData, and writes the result to the 16-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized. Extra left bits in both AndData and
+  OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 16-bit boundary, then ASSERT().
+  If StartBit is greater than 15, then ASSERT().
+  If EndBit is greater than 15, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..15.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..15.
+  @param  AndData   The value to AND with the PCI configuration register.
+  @param  OrData    The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciBitFieldAndThenOr16 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT16                    AndData,
+  IN      UINT16                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAndThenOr16 (Address, StartBit, EndBit, AndData, OrData) :
+         PciCf8BitFieldAndThenOr16 (Address, StartBit, EndBit, AndData, OrData);
+}
+
+/**
+  Reads a 32-bit PCI configuration register.
+
+  Reads and returns the 32-bit PCI configuration register specified by Address.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+
+  @return The read value from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciRead32 (
+  IN      UINTN                     Address
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressRead32 (Address) :
+         PciCf8Read32 (Address);
+}
+
+/**
+  Writes a 32-bit PCI configuration register.
+
+  Writes the 32-bit PCI configuration register specified by Address with the
+  value specified by Value. Value is returned. This function must guarantee
+  that all PCI read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  Value   The value to write.
+
+  @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciWrite32 (
+  IN      UINTN                     Address,
+  IN      UINT32                    Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressWrite32 (Address, Value) :
+         PciCf8Write32 (Address, Value);
+}
+
+/**
+  Performs a bitwise OR of a 32-bit PCI configuration register with
+  a 32-bit value.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 32-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  OrData  The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciOr32 (
+  IN      UINTN                     Address,
+  IN      UINT32                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressOr32 (Address, OrData) :
+         PciCf8Or32 (Address, OrData);
+}
+
+/**
+  Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+  value.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 32-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciAnd32 (
+  IN      UINTN                     Address,
+  IN      UINT32                    AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAnd32 (Address, AndData) :
+         PciCf8And32 (Address, AndData);
+}
+
+/**
+  Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+  value, followed a  bitwise OR with another 32-bit value.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData,
+  performs a bitwise OR between the result of the AND operation and
+  the value specified by OrData, and writes the result to the 32-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+  @param  Address The address that encodes the PCI Bus, Device, Function and
+                  Register.
+  @param  AndData The value to AND with the PCI configuration register.
+  @param  OrData  The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciAndThenOr32 (
+  IN      UINTN                     Address,
+  IN      UINT32                    AndData,
+  IN      UINT32                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressAndThenOr32 (Address, AndData, OrData) :
+         PciCf8AndThenOr32 (Address, AndData, OrData);
+}
+
+/**
+  Reads a bit field of a PCI configuration register.
+
+  Reads the bit field in a 32-bit PCI configuration register. The bit field is
+  specified by the StartBit and the EndBit. The value of the bit field is
+  returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+  If StartBit is greater than 31, then ASSERT().
+  If EndBit is greater than 31, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to read.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..31.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..31.
+
+  @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldRead32 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldRead32 (Address, StartBit, EndBit) :
+         PciCf8BitFieldRead32 (Address, StartBit, EndBit);
+}
+
+/**
+  Writes a bit field to a PCI configuration register.
+
+  Writes Value to the bit field of the PCI configuration register. The bit
+  field is specified by the StartBit and the EndBit. All other bits in the
+  destination PCI configuration register are preserved. The new value of the
+  32-bit register is returned.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+  If StartBit is greater than 31, then ASSERT().
+  If EndBit is greater than 31, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..31.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..31.
+  @param  Value     The new value of the bit field.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldWrite32 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT32                    Value
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldWrite32 (Address, StartBit, EndBit, Value) :
+         PciCf8BitFieldWrite32 (Address, StartBit, EndBit, Value);
+}
+
+/**
+  Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+  writes the result back to the bit field in the 32-bit port.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise OR between the read result and the value specified by
+  OrData, and writes the result to the 32-bit PCI configuration register
+  specified by Address. The value written to the PCI configuration register is
+  returned. This function must guarantee that all PCI read and write operations
+  are serialized. Extra left bits in OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+  If StartBit is greater than 31, then ASSERT().
+  If EndBit is greater than 31, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..31.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..31.
+  @param  OrData    The value to OR with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldOr32 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT32                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldOr32 (Address, StartBit, EndBit, OrData) :
+         PciCf8BitFieldOr32 (Address, StartBit, EndBit, OrData);
+}
+
+/**
+  Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+  AND, and writes the result back to the bit field in the 32-bit register.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise AND between the read result and the value specified by AndData, and
+  writes the result to the 32-bit PCI configuration register specified by
+  Address. The value written to the PCI configuration register is returned.
+  This function must guarantee that all PCI read and write operations are
+  serialized. Extra left bits in AndData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+  If StartBit is greater than 31, then ASSERT().
+  If EndBit is greater than 31, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..31.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..31.
+  @param  AndData   The value to AND with the PCI configuration register.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldAnd32 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT32                    AndData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAnd32 (Address, StartBit, EndBit, AndData) :
+         PciCf8BitFieldAnd32 (Address, StartBit, EndBit, AndData);
+}
+
+/**
+  Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+  bitwise OR, and writes the result back to the bit field in the
+  32-bit port.
+
+  Reads the 32-bit PCI configuration register specified by Address, performs a
+  bitwise AND followed by a bitwise OR between the read result and
+  the value specified by AndData, and writes the result to the 32-bit PCI
+  configuration register specified by Address. The value written to the PCI
+  configuration register is returned. This function must guarantee that all PCI
+  read and write operations are serialized. Extra left bits in both AndData and
+  OrData are stripped.
+
+  If Address > 0x0FFFFFFF, then ASSERT().
+  If Address is not aligned on a 32-bit boundary, then ASSERT().
+  If StartBit is greater than 31, then ASSERT().
+  If EndBit is greater than 31, then ASSERT().
+  If EndBit is less than StartBit, then ASSERT().
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
+
+  @param  Address   The PCI configuration register to write.
+  @param  StartBit  The ordinal of the least significant bit in the bit field.
+                    Range 0..31.
+  @param  EndBit    The ordinal of the most significant bit in the bit field.
+                    Range 0..31.
+  @param  AndData   The value to AND with the PCI configuration register.
+  @param  OrData    The value to OR with the result of the AND operation.
+
+  @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciBitFieldAndThenOr32 (
+  IN      UINTN                     Address,
+  IN      UINTN                     StartBit,
+  IN      UINTN                     EndBit,
+  IN      UINT32                    AndData,
+  IN      UINT32                    OrData
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressBitFieldAndThenOr32 (Address, StartBit, EndBit, AndData, OrData) :
+         PciCf8BitFieldAndThenOr32 (Address, StartBit, EndBit, AndData, OrData);
+}
+
+/**
+  Reads a range of PCI configuration registers into a caller supplied buffer.
+
+  Reads the range of PCI configuration registers specified by StartAddress and
+  Size into the buffer specified by Buffer. This function only allows the PCI
+  configuration registers from a single PCI function to be read. Size is
+  returned. When possible 32-bit PCI configuration read cycles are used to read
+  from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+  and 16-bit PCI configuration read cycles may be used at the beginning and the
+  end of the range.
+
+  If StartAddress > 0x0FFFFFFF, then ASSERT().
+  If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+  If Size > 0 and Buffer is NULL, then ASSERT().
+
+  @param  StartAddress  The starting address that encodes the PCI Bus, Device,
+                        Function and Register.
+  @param  Size          The size in bytes of the transfer.
+  @param  Buffer        The pointer to a buffer receiving the data read.
+
+  @return Size
+
+**/
+UINTN
+EFIAPI
+PciReadBuffer (
+  IN      UINTN                     StartAddress,
+  IN      UINTN                     Size,
+  OUT     VOID                      *Buffer
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressReadBuffer (StartAddress, Size, Buffer) :
+         PciCf8ReadBuffer (StartAddress, Size, Buffer);
+}
+
+/**
+  Copies the data in a caller supplied buffer to a specified range of PCI
+  configuration space.
+
+  Writes the range of PCI configuration registers specified by StartAddress and
+  Size from the buffer specified by Buffer. This function only allows the PCI
+  configuration registers from a single PCI function to be written. Size is
+  returned. When possible 32-bit PCI configuration write cycles are used to
+  write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+  8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+  and the end of the range.
+
+  If StartAddress > 0x0FFFFFFF, then ASSERT().
+  If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+  If Size > 0 and Buffer is NULL, then ASSERT().
+
+  @param  StartAddress  The starting address that encodes the PCI Bus, Device,
+                        Function and Register.
+  @param  Size          The size in bytes of the transfer.
+  @param  Buffer        The pointer to a buffer containing the data to write.
+
+  @return Size written to StartAddress.
+
+**/
+UINTN
+EFIAPI
+PciWriteBuffer (
+  IN      UINTN                     StartAddress,
+  IN      UINTN                     Size,
+  IN      VOID                      *Buffer
+  )
+{
+  return mRunningOnIch10 ?
+         PciExpressWriteBuffer (StartAddress, Size, Buffer) :
+         PciCf8WriteBuffer (StartAddress, Size, Buffer);
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
new file mode 100644
index 0000000000..b1d7552792
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.c
@@ -0,0 +1,1579 @@
+/** @file
+  ACPI Platform Driver
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "AcpiPlatform.h"
+
+#define MAX_CPU_NUM (FixedPcdGet32(PcdMaxCpuThreadCount) * FixedPcdGet32(PcdMaxCpuCoreCount) * FixedPcdGet32(PcdMaxCpuSocketCount))
+
+#pragma pack(1)
+
+typedef struct {
+  UINT32   AcpiProcessorId;
+  UINT32   ApicId;
+  UINT32   Flags;
+  UINT32   SwProcApicId;
+  UINT32   SocketNum;
+} EFI_CPU_ID_ORDER_MAP;
+
+//
+// Private Driver Data
+//
+//
+// Define Union of IO APIC & Local APIC structure;
+//
+typedef union {
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE AcpiLocalApic;
+  EFI_ACPI_4_0_IO_APIC_STRUCTURE              AcpiIoApic;
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE AcpiLocalx2Apic;
+  struct {
+    UINT8 Type;
+    UINT8 Length;
+  } AcpiApicCommon;
+} ACPI_APIC_STRUCTURE_PTR;
+
+#pragma pack()
+
+extern EFI_ACPI_5_0_FIRMWARE_ACPI_CONTROL_STRUCTURE  Facs;
+extern EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE Fadt;
+extern EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER  Hpet;
+extern EFI_ACPI_WSMT_TABLE Wsmt;
+
+VOID  *mLocalTable[] = {
+  &Facs,
+  &Fadt,
+  &Hpet,
+  &Wsmt,
+};
+
+EFI_ACPI_TABLE_PROTOCOL       *mAcpiTable;
+
+UINT32                      mNumOfBitShift = 6;
+BOOLEAN                     mForceX2ApicId;
+BOOLEAN                     mX2ApicEnabled;
+
+EFI_MP_SERVICES_PROTOCOL    *mMpService;
+BOOLEAN                     mCpuOrderSorted;
+EFI_CPU_ID_ORDER_MAP        mCpuApicIdOrderTable[MAX_CPU_NUM];
+UINTN                       mNumberOfCPUs = 0;
+UINTN                       mNumberOfEnabledCPUs = 0;
+//
+// following are possible APICID Map for SKX
+//
+static const UINT32 ApicIdMapA[] = {  //for SKUs have number of core > 16
+  //it is 14 + 14 + 14 + 14 format
+  0x00000000, 0x00000001, 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000006, 0x00000007,
+  0x00000008, 0x00000009, 0x0000000A, 0x0000000B, 0x0000000C, 0x0000000D, 0x00000010, 0x00000011,
+  0x00000012, 0x00000013, 0x00000014, 0x00000015, 0x00000016, 0x00000017, 0x00000018, 0x00000019,
+  0x0000001A, 0x0000001B, 0x0000001C, 0x0000001D, 0x00000020, 0x00000021, 0x00000022, 0x00000023,
+  0x00000024, 0x00000025, 0x00000026, 0x00000027, 0x00000028, 0x00000029, 0x0000002A, 0x0000002B,
+  0x0000002C, 0x0000002D, 0x00000030, 0x00000031, 0x00000032, 0x00000033, 0x00000034, 0x00000035,
+  0x00000036, 0x00000037, 0x00000038, 0x00000039, 0x0000003A, 0x0000003B, 0x0000003C, 0x0000003D
+};
+
+static const UINT32 ApicIdMapB[] = { //for SKUs have number of cores <= 16 use 32 ID space
+  //
+  //it is 16+16 format
+  //
+  0x00000000, 0x00000001, 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000006, 0x00000007,
+  0x00000008, 0x00000009, 0x0000000A, 0x0000000B, 0x0000000C, 0x0000000D, 0x0000000E, 0x0000000F,
+  0x00000010, 0x00000011, 0x00000012, 0x00000013, 0x00000014, 0x00000015, 0x00000016, 0x00000017,
+  0x00000018, 0x00000019, 0x0000001A, 0x0000001B, 0x0000001C, 0x0000001D, 0x0000001E, 0x0000001F,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
+};
+
+
+static const UINT32 ApicIdMapC[] = { //for SKUs have number of cores <= 16 use 64 ID space
+  //
+  //it is 16+0+16+0 format
+  //
+  0x00000000, 0x00000001, 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000006, 0x00000007,
+  0x00000008, 0x00000009, 0x0000000A, 0x0000000B, 0x0000000C, 0x0000000D, 0x0000000E, 0x0000000F,
+  0x00000020, 0x00000021, 0x00000022, 0x00000023, 0x00000024, 0x00000025, 0x00000026, 0x00000027,
+  0x00000028, 0x00000029, 0x0000002A, 0x0000002B, 0x0000002C, 0x0000002D, 0x0000002E, 0x0000002F,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
+};
+
+static const UINT32 ApicIdMapD[] = { //for SKUs have number of cores <= 8 use 16 ID space
+  //
+  //it is 16 format
+  //
+  0x00000000, 0x00000001, 0x00000002, 0x00000003, 0x00000004, 0x00000005, 0x00000006, 0x00000007,
+  0x00000008, 0x00000009, 0x0000000A, 0x0000000B, 0x0000000C, 0x0000000D, 0x0000000E, 0x0000000F,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
+  0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
+};
+
+const UINT32 *mApicIdMap = NULL;
+
+/**
+  This function detect the APICID map and update ApicID Map pointer
+
+  @param None
+
+  @retval VOID
+
+**/
+VOID DetectApicIdMap(VOID)
+{
+  UINTN                  CoreCount;
+
+  CoreCount = 0;
+
+  if(mApicIdMap != NULL) {
+    return;   //aleady initialized
+  }
+
+  mApicIdMap = ApicIdMapA;  // default to > 16C SKUs
+
+  CoreCount = mNumberOfEnabledCPUs / 2;
+  DEBUG ((DEBUG_INFO, "CoreCount - %d\n", CoreCount));
+
+  if(CoreCount <= 16) {
+
+    if(mNumOfBitShift == 4) {
+      mApicIdMap = ApicIdMapD;
+    }
+
+    if(mNumOfBitShift == 5) {
+      mApicIdMap = ApicIdMapB;
+    }
+
+    if(mNumOfBitShift == 6) {
+      mApicIdMap = ApicIdMapC;
+    }
+
+  }
+
+  return;
+}
+
+/**
+  This function return the CoreThreadId of ApicId from ACPI ApicId Map array
+
+  @param ApicId
+
+  @retval Index of ACPI ApicId Map array
+
+**/
+UINT32
+GetIndexFromApicId (
+  UINT32 ApicId
+  )
+{
+  UINT32 CoreThreadId;
+  UINT32 i;
+
+  ASSERT (mApicIdMap != NULL);
+
+  CoreThreadId = ApicId & ((1 << mNumOfBitShift) - 1);
+
+  for(i = 0; i < (FixedPcdGet32(PcdMaxCpuCoreCount) * FixedPcdGet32(PcdMaxCpuThreadCount)); i++) {
+    if(mApicIdMap[i] == CoreThreadId) {
+      break;
+    }
+  }
+
+  ASSERT (i <= (FixedPcdGet32(PcdMaxCpuCoreCount) * FixedPcdGet32(PcdMaxCpuThreadCount)));
+
+  return i;
+}
+
+UINT32
+ApicId2SwProcApicId (
+  UINT32 ApicId
+  )
+{
+  UINT32 Index;
+
+  for (Index = 0; Index < MAX_CPU_NUM; Index++) {
+    if ((mCpuApicIdOrderTable[Index].Flags == 1) && (mCpuApicIdOrderTable[Index].ApicId == ApicId)) {
+      return Index;
+    }
+  }
+
+  return (UINT32) -1;
+
+}
+
+VOID
+DebugDisplayReOrderTable(
+  VOID
+  )
+{
+  UINT32 Index;
+
+  DEBUG ((EFI_D_ERROR, "Index  AcpiProcId  ApicId  Flags  SwApicId  Skt\n"));
+  for (Index=0; Index<MAX_CPU_NUM; Index++) {
+    DEBUG ((EFI_D_ERROR, " %02d       0x%02X      0x%02X      %d      0x%02X     %d\n",
+                           Index, mCpuApicIdOrderTable[Index].AcpiProcessorId,
+                           mCpuApicIdOrderTable[Index].ApicId,
+                           mCpuApicIdOrderTable[Index].Flags,
+                           mCpuApicIdOrderTable[Index].SwProcApicId,
+                           mCpuApicIdOrderTable[Index].SocketNum));
+  }
+}
+
+EFI_STATUS
+AppendCpuMapTableEntry (
+    IN VOID   *ApicPtr,
+    IN UINT32 LocalApicCounter
+  )
+{
+  EFI_STATUS    Status;
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE *LocalApicPtr;
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE *LocalX2ApicPtr;
+  UINT8         Type;
+
+  Status = EFI_SUCCESS;
+  Type = ((ACPI_APIC_STRUCTURE_PTR *)ApicPtr)->AcpiApicCommon.Type;
+  LocalApicPtr = (EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE *)(&((ACPI_APIC_STRUCTURE_PTR *)ApicPtr)->AcpiLocalApic);
+  LocalX2ApicPtr = (EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE *)(&((ACPI_APIC_STRUCTURE_PTR *)ApicPtr)->AcpiLocalx2Apic);
+
+  if(Type == EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC) {
+    if(!mX2ApicEnabled) {
+      LocalApicPtr->Flags           = (UINT8)mCpuApicIdOrderTable[LocalApicCounter].Flags;
+      LocalApicPtr->ApicId          = (UINT8)mCpuApicIdOrderTable[LocalApicCounter].ApicId;
+      LocalApicPtr->AcpiProcessorId = (UINT8)mCpuApicIdOrderTable[LocalApicCounter].AcpiProcessorId;
+    } else {
+      LocalApicPtr->Flags           = 0;
+      LocalApicPtr->ApicId          = 0xFF;
+      LocalApicPtr->AcpiProcessorId = (UINT8)0xFF;
+      Status = EFI_UNSUPPORTED;
+    }
+  } else if(Type == EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC) {
+    if(mX2ApicEnabled) {
+      LocalX2ApicPtr->Flags            = (UINT8)mCpuApicIdOrderTable[LocalApicCounter].Flags;
+      LocalX2ApicPtr->X2ApicId         = mCpuApicIdOrderTable[LocalApicCounter].ApicId;
+      LocalX2ApicPtr->AcpiProcessorUid = mCpuApicIdOrderTable[LocalApicCounter].AcpiProcessorId;
+    } else {
+      LocalX2ApicPtr->Flags            = 0;
+      LocalX2ApicPtr->X2ApicId         = (UINT32)-1;
+      LocalX2ApicPtr->AcpiProcessorUid = (UINT32)-1;
+      Status = EFI_UNSUPPORTED;
+    }
+  } else {
+    Status = EFI_UNSUPPORTED;
+  }
+
+  return Status;
+
+}
+
+EFI_STATUS
+SortCpuLocalApicInTable (
+  VOID
+  )
+{
+  EFI_STATUS                                Status;
+  EFI_PROCESSOR_INFORMATION                 ProcessorInfoBuffer;
+  UINT32                                    Index;
+  UINT32                                    CurrProcessor;
+  UINT32                                    BspApicId;
+  UINT32                                    TempVal = 0;
+  EFI_CPU_ID_ORDER_MAP                      *CpuIdMapPtr;
+  UINT32                                    CoreThreadMask;
+
+  Index      = 0;
+  Status     = EFI_SUCCESS;
+
+  CoreThreadMask = (UINT32) ((1 << mNumOfBitShift) - 1);
+
+  if(!mCpuOrderSorted) {
+
+    Index  = 0;
+
+    for (CurrProcessor = 0; CurrProcessor < mNumberOfCPUs; CurrProcessor++) {
+      Status = mMpService->GetProcessorInfo (
+                                            mMpService,
+                                            CurrProcessor,
+                                            &ProcessorInfoBuffer
+                                            );
+
+      if ((ProcessorInfoBuffer.StatusFlag & PROCESSOR_ENABLED_BIT) != 0) {
+        if(ProcessorInfoBuffer.ProcessorId & 1) { //is 2nd thread
+          CpuIdMapPtr = (EFI_CPU_ID_ORDER_MAP *)&mCpuApicIdOrderTable[(Index - 1) + MAX_CPU_NUM / 2];
+        } else { //is primary thread
+          CpuIdMapPtr = (EFI_CPU_ID_ORDER_MAP *)&mCpuApicIdOrderTable[Index];
+          Index++;
+        }
+        CpuIdMapPtr->ApicId  = (UINT32)ProcessorInfoBuffer.ProcessorId;
+        CpuIdMapPtr->Flags   = ((ProcessorInfoBuffer.StatusFlag & PROCESSOR_ENABLED_BIT) != 0);
+        CpuIdMapPtr->SocketNum = (UINT32)ProcessorInfoBuffer.Location.Package;
+        CpuIdMapPtr->AcpiProcessorId = (CpuIdMapPtr->SocketNum * FixedPcdGet32(PcdMaxCpuCoreCount) * FixedPcdGet32(PcdMaxCpuThreadCount)) + GetIndexFromApicId(CpuIdMapPtr->ApicId); //CpuIdMapPtr->ApicId;
+        CpuIdMapPtr->SwProcApicId = ((UINT32)(ProcessorInfoBuffer.Location.Package << mNumOfBitShift) + (((UINT32)ProcessorInfoBuffer.ProcessorId) & CoreThreadMask));
+        if(mX2ApicEnabled) { //if X2Apic, re-order the socket # so it starts from base 0 and contiguous
+          //may not necessory!!!!!
+        }
+
+        //update processorbitMask
+        if (CpuIdMapPtr->Flags == 1) {
+
+          if(mForceX2ApicId) {
+            CpuIdMapPtr->SocketNum &= 0x7;
+            CpuIdMapPtr->AcpiProcessorId &= 0xFF; //keep lower 8bit due to use Proc obj in dsdt
+            CpuIdMapPtr->SwProcApicId &= 0xFF;
+          }
+        }
+      } else {  //not enabled
+        CpuIdMapPtr = (EFI_CPU_ID_ORDER_MAP *)&mCpuApicIdOrderTable[Index];
+        CpuIdMapPtr->ApicId  = (UINT32)-1;
+        CpuIdMapPtr->Flags   = 0;
+        CpuIdMapPtr->AcpiProcessorId = (UINT32)-1;
+        CpuIdMapPtr->SwProcApicId = (UINT32)-1;
+        CpuIdMapPtr->SocketNum = (UINT32)-1;
+      } //end if PROC ENABLE
+    } //end for CurrentProcessor
+    //
+    //keep for debug purpose
+	//
+    DEBUG(( EFI_D_ERROR, "::ACPI::  APIC ID Order Table Init.   CoreThreadMask = %x,  mNumOfBitShift = %x\n", CoreThreadMask, mNumOfBitShift));
+    DebugDisplayReOrderTable();
+    //
+    //make sure 1st entry is BSP
+	//
+    if(mX2ApicEnabled) {
+      BspApicId = (UINT32)AsmReadMsr64(0x802);
+    } else {
+      BspApicId = (*(volatile UINT32 *)(UINTN)0xFEE00020) >> 24;
+    }
+    DEBUG ((EFI_D_INFO, "BspApicId - 0x%x\n", BspApicId));
+
+    if(mCpuApicIdOrderTable[0].ApicId != BspApicId) {
+      //
+      //check to see if 1st entry is BSP, if not swap it
+	  //
+      Index = ApicId2SwProcApicId(BspApicId);
+
+      if(MAX_CPU_NUM <= Index) {
+        DEBUG ((EFI_D_ERROR, "Asserting the SortCpuLocalApicInTable Index Bufferflow\n"));
+        ASSERT_EFI_ERROR(EFI_INVALID_PARAMETER);
+      }
+
+      TempVal = mCpuApicIdOrderTable[Index].ApicId;
+      mCpuApicIdOrderTable[Index].ApicId = mCpuApicIdOrderTable[0].ApicId;
+      mCpuApicIdOrderTable[0].ApicId = TempVal;
+      mCpuApicIdOrderTable[Index].Flags = mCpuApicIdOrderTable[0].Flags;
+      mCpuApicIdOrderTable[0].Flags = 1;
+      TempVal = mCpuApicIdOrderTable[Index].SwProcApicId;
+      mCpuApicIdOrderTable[Index].SwProcApicId = mCpuApicIdOrderTable[0].SwProcApicId;
+      mCpuApicIdOrderTable[0].SwProcApicId = TempVal;
+      //
+      //swap AcpiProcId
+	  //
+      TempVal = mCpuApicIdOrderTable[Index].AcpiProcessorId;
+      mCpuApicIdOrderTable[Index].AcpiProcessorId = mCpuApicIdOrderTable[0].AcpiProcessorId;
+      mCpuApicIdOrderTable[0].AcpiProcessorId = TempVal;
+
+    }
+    //
+    //Make sure no holes between enabled threads
+	//
+    for(CurrProcessor = 0; CurrProcessor < MAX_CPU_NUM; CurrProcessor++) {
+
+      if(mCpuApicIdOrderTable[CurrProcessor].Flags == 0) {
+        //
+        //make sure disabled entry has ProcId set to FFs
+		//
+        mCpuApicIdOrderTable[CurrProcessor].ApicId = (UINT32)-1;
+        mCpuApicIdOrderTable[CurrProcessor].AcpiProcessorId = (UINT32)-1;
+        mCpuApicIdOrderTable[CurrProcessor].SwProcApicId = (UINT32)-1;
+
+        for(Index = CurrProcessor+1; Index < MAX_CPU_NUM; Index++) {
+          if(mCpuApicIdOrderTable[Index].Flags == 1) {
+            //
+            //move enabled entry up
+			//
+            mCpuApicIdOrderTable[CurrProcessor].Flags = 1;
+            mCpuApicIdOrderTable[CurrProcessor].ApicId = mCpuApicIdOrderTable[Index].ApicId;
+            mCpuApicIdOrderTable[CurrProcessor].AcpiProcessorId = mCpuApicIdOrderTable[Index].AcpiProcessorId;
+            mCpuApicIdOrderTable[CurrProcessor].SwProcApicId = mCpuApicIdOrderTable[Index].SwProcApicId;
+            mCpuApicIdOrderTable[CurrProcessor].SocketNum = mCpuApicIdOrderTable[Index].SocketNum;
+            //
+            //disable moved entry
+            //
+            mCpuApicIdOrderTable[Index].Flags = 0;
+            mCpuApicIdOrderTable[Index].ApicId = (UINT32)-1;
+            mCpuApicIdOrderTable[Index].AcpiProcessorId = (UINT32)-1;
+            mCpuApicIdOrderTable[Index].SwProcApicId = (UINT32)-1;
+            break;
+          }
+        }
+      }
+    }
+    //
+    //keep for debug purpose
+    //
+    DEBUG ((EFI_D_ERROR, "APIC ID Order Table ReOrdered\n"));
+    DebugDisplayReOrderTable();
+
+    mCpuOrderSorted = TRUE;
+  }
+
+  return Status;
+}
+
+
+/** Structure of a sub-structure of the ACPI header.
+
+  This structure contains the type and length fields, which are common to every
+  sub-structure of the ACPI tables. A pointer to any structure can be cast as this.
+**/
+typedef struct {
+  UINT8 Type;
+  UINT8 Length;
+} STRUCTURE_HEADER;
+
+STRUCTURE_HEADER mMadtStructureTable[] = {
+  {EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC,          sizeof (EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE)},
+  {EFI_ACPI_4_0_IO_APIC,                       sizeof (EFI_ACPI_4_0_IO_APIC_STRUCTURE)},
+  {EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE,     sizeof (EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE)},
+  {EFI_ACPI_4_0_NON_MASKABLE_INTERRUPT_SOURCE, sizeof (EFI_ACPI_4_0_NON_MASKABLE_INTERRUPT_SOURCE_STRUCTURE)},
+  {EFI_ACPI_4_0_LOCAL_APIC_NMI,                sizeof (EFI_ACPI_4_0_LOCAL_APIC_NMI_STRUCTURE)},
+  {EFI_ACPI_4_0_LOCAL_APIC_ADDRESS_OVERRIDE,   sizeof (EFI_ACPI_4_0_LOCAL_APIC_ADDRESS_OVERRIDE_STRUCTURE)},
+  {EFI_ACPI_4_0_IO_SAPIC,                      sizeof (EFI_ACPI_4_0_IO_SAPIC_STRUCTURE)},
+  {EFI_ACPI_4_0_LOCAL_SAPIC,                   sizeof (EFI_ACPI_4_0_PROCESSOR_LOCAL_SAPIC_STRUCTURE)},
+  {EFI_ACPI_4_0_PLATFORM_INTERRUPT_SOURCES,    sizeof (EFI_ACPI_4_0_PLATFORM_INTERRUPT_SOURCES_STRUCTURE)},
+  {EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC,        sizeof (EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE)},
+  {EFI_ACPI_4_0_LOCAL_X2APIC_NMI,              sizeof (EFI_ACPI_4_0_LOCAL_X2APIC_NMI_STRUCTURE)}
+};
+
+/**
+  Get the size of the ACPI table.
+
+  This function calculates the size needed for the ACPI Table based on the number and
+  size of the sub-structures that will compose it.
+
+  @param[in]  TableSpecificHdrLength  Size of the table specific header, not the ACPI standard header size.
+  @param[in]  Structures              Pointer to an array of sub-structure pointers.
+  @param[in]  StructureCount          Number of structure pointers in the array.
+
+  @return     Total size needed for the ACPI table.
+**/
+UINT32
+GetTableSize (
+  IN  UINTN                 TableSpecificHdrLength,
+  IN  STRUCTURE_HEADER      **Structures,
+  IN  UINTN                 StructureCount
+  )
+{
+  UINT32  TableLength;
+  UINT32  Index;
+
+  //
+  // Compute size of the ACPI table; header plus all structures needed.
+  //
+  TableLength = (UINT32) TableSpecificHdrLength;
+
+  for (Index = 0; Index < StructureCount; Index++) {
+    ASSERT (Structures[Index] != NULL);
+    if (Structures[Index] == NULL) {
+      return 0;
+    }
+
+    TableLength += Structures[Index]->Length;
+  }
+
+  return TableLength;
+}
+
+/**
+  Allocate the ACPI Table.
+
+  This function allocates space for the ACPI table based on the number and size of
+  the sub-structures that will compose it.
+
+  @param[in]  TableSpecificHdrLength  Size of the table specific header, not the ACPI standard header size.
+  @param[in]  Structures  Pointer to an array of sub-structure pointers.
+  @param[in]  StructureCount  Number of structure pointers in the array.
+  @param[out] Table            Newly allocated ACPI Table pointer.
+
+  @retval EFI_SUCCESS           Successfully allocated the Table.
+  @retval EFI_OUT_OF_RESOURCES  Space for the Table could not be allocated.
+**/
+EFI_STATUS
+AllocateTable (
+  IN  UINTN                        TableSpecificHdrLength,
+  IN  STRUCTURE_HEADER             **Structures,
+  IN  UINTN                        StructureCount,
+  OUT EFI_ACPI_DESCRIPTION_HEADER  **Table
+  )
+{
+  EFI_STATUS  Status;
+  UINT32      Size;
+  EFI_ACPI_DESCRIPTION_HEADER *InternalTable;
+
+  //
+  // Get the size of the ACPI table and allocate memory.
+  //
+  Size = GetTableSize (TableSpecificHdrLength, Structures, StructureCount);
+  InternalTable = (EFI_ACPI_DESCRIPTION_HEADER *) AllocatePool (Size);
+
+  if (InternalTable == NULL) {
+    Status = EFI_OUT_OF_RESOURCES;
+    DEBUG ((
+      DEBUG_ERROR,
+      "Failed to allocate %d bytes for ACPI Table\n",
+      Size
+      ));
+  } else {
+    Status = EFI_SUCCESS;
+    DEBUG ((
+      DEBUG_INFO,
+      "Successfully allocated %d bytes for ACPI Table at 0x%p\n",
+      Size,
+      InternalTable
+      ));
+    *Table = InternalTable;
+  }
+
+  return Status;
+}
+
+/**
+  Initialize the header.
+
+  This function fills in the standard table header with correct values,
+  except for the length and checksum fields, which are filled in later.
+
+  @param[in,out]  Header        Pointer to the header structure.
+
+  @retval EFI_SUCCESS           Successfully initialized the header.
+  @retval EFI_INVALID_PARAMETER Pointer parameter was null.
+**/
+EFI_STATUS
+InitializeHeader (
+  IN OUT  EFI_ACPI_DESCRIPTION_HEADER *Header,
+  IN      UINT32                      Signature,
+  IN      UINT8                       Revision,
+  IN      UINT32                      OemRevision
+  )
+{
+  UINT64 AcpiTableOemId;
+
+  if (Header == NULL) {
+    DEBUG ((DEBUG_ERROR, "Header pointer is NULL\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Header->Signature  = Signature;
+  Header->Length     = 0; // filled in by Build function
+  Header->Revision   = Revision;
+  Header->Checksum   = 0; // filled in by InstallAcpiTable
+
+  CopyMem (
+    (VOID *) &Header->OemId,
+    PcdGetPtr (PcdAcpiDefaultOemId),
+    sizeof (Header->OemId)
+    );
+
+  AcpiTableOemId = PcdGet64 (PcdAcpiDefaultOemTableId);
+  CopyMem (
+    (VOID *) &Header->OemTableId,
+    (VOID *) &AcpiTableOemId,
+    sizeof (Header->OemTableId)
+    );
+
+  Header->OemRevision     = OemRevision;
+  Header->CreatorId       = 0;
+  Header->CreatorRevision = 0;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Initialize the MADT header.
+
+  This function fills in the MADT's standard table header with correct values,
+  except for the length and checksum fields, which are filled in later.
+
+  @param[in,out]  MadtHeader    Pointer to the MADT header structure.
+
+  @retval EFI_SUCCESS           Successfully initialized the MADT header.
+  @retval EFI_INVALID_PARAMETER Pointer parameter was null.
+**/
+EFI_STATUS
+InitializeMadtHeader (
+  IN OUT EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER *MadtHeader
+  )
+{
+  EFI_STATUS Status;
+
+  if (MadtHeader == NULL) {
+    DEBUG ((DEBUG_ERROR, "MADT header pointer is NULL\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  Status = InitializeHeader (
+    &MadtHeader->Header,
+    EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE,
+    EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_REVISION,
+    0
+    );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  MadtHeader->LocalApicAddress       = PcdGet32(PcdLocalApicAddress);
+  MadtHeader->Flags                  = EFI_ACPI_4_0_PCAT_COMPAT;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Copy an ACPI sub-structure; MADT and SRAT supported
+
+  This function validates the structure type and size of a sub-structure
+  and returns a newly allocated copy of it.
+
+  @param[in]  Header            Pointer to the header of the table.
+  @param[in]  Structure         Pointer to the structure to copy.
+  @param[in]  NewStructure      Newly allocated copy of the structure.
+
+  @retval EFI_SUCCESS           Successfully copied the structure.
+  @retval EFI_INVALID_PARAMETER Pointer parameter was null.
+  @retval EFI_INVALID_PARAMETER Structure type was unknown.
+  @retval EFI_INVALID_PARAMETER Structure length was wrong for its type.
+  @retval EFI_UNSUPPORTED       Header passed in is not supported.
+**/
+EFI_STATUS
+CopyStructure (
+  IN  EFI_ACPI_DESCRIPTION_HEADER *Header,
+  IN  STRUCTURE_HEADER *Structure,
+  OUT STRUCTURE_HEADER **NewStructure
+  )
+{
+  STRUCTURE_HEADER      *NewStructureInternal;
+  STRUCTURE_HEADER      *StructureTable;
+  UINTN                 TableNumEntries;
+  BOOLEAN               EntryFound;
+  UINT8                 Index;
+
+  //
+  // Initialize the number of table entries and the table based on the table header passed in.
+  //
+  if (Header->Signature == EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE) {
+    TableNumEntries = sizeof (mMadtStructureTable) / sizeof (STRUCTURE_HEADER);
+    StructureTable = mMadtStructureTable;
+  } else {
+    return EFI_UNSUPPORTED;
+  }
+
+  //
+  // Check the incoming structure against the table of supported structures.
+  //
+  EntryFound = FALSE;
+  for (Index = 0; Index < TableNumEntries; Index++) {
+    if (Structure->Type == StructureTable[Index].Type) {
+      if (Structure->Length == StructureTable[Index].Length) {
+        EntryFound = TRUE;
+      } else {
+        DEBUG ((
+          DEBUG_ERROR,
+          "Invalid length for structure type %d: expected %d, actually %d\n",
+          Structure->Type,
+          StructureTable[Index].Length,
+          Structure->Length
+          ));
+        return EFI_INVALID_PARAMETER;
+      }
+    }
+  }
+
+  //
+  // If no entry in the table matches the structure type and length passed in
+  // then return invalid parameter.
+  //
+  if (!EntryFound) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Unknown structure type: %d\n",
+      Structure->Type
+      ));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  NewStructureInternal = (STRUCTURE_HEADER *) AllocatePool (Structure->Length);
+  if (NewStructureInternal == NULL) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "Failed to allocate %d bytes for type %d structure\n",
+      Structure->Length,
+      Structure->Type
+      ));
+    return EFI_OUT_OF_RESOURCES;
+  } else {
+    DEBUG ((
+      DEBUG_INFO,
+      "Successfully allocated %d bytes for type %d structure at 0x%p\n",
+      Structure->Length,
+      Structure->Type,
+      NewStructureInternal
+      ));
+  }
+
+  CopyMem (
+    (VOID *) NewStructureInternal,
+    (VOID *) Structure,
+    Structure->Length
+    );
+
+  *NewStructure = NewStructureInternal;
+  return EFI_SUCCESS;
+}
+
+/**
+  Build ACPI Table. MADT tables supported.
+
+  This function builds the ACPI table from the header plus the list of sub-structures
+  passed in. The table returned by this function is ready to be installed using
+  the ACPI table protocol's InstallAcpiTable function, which copies it into
+  ACPI memory. After that, the caller should free the memory returned by this
+  function.
+
+  @param[in]  AcpiHeader             Pointer to the header structure.
+  @param[in]  TableSpecificHdrLength Size of the table specific header, not the ACPI standard header size.
+  @param[in]  Structures             Pointer to an array of sub-structure pointers.
+  @param[in]  StructureCount         Number of structure pointers in the array.
+  @param[out] NewTable               Newly allocated and initialized pointer to the ACPI Table.
+
+  @retval EFI_SUCCESS           Successfully built the ACPI table.
+  @retval EFI_INVALID_PARAMETER Pointer parameter was null.
+  @retval EFI_INVALID_PARAMETER Header parameter had the wrong signature.
+  @retval EFI_OUT_OF_RESOURCES  Space for the ACPI Table could not be allocated.
+**/
+EFI_STATUS
+BuildAcpiTable (
+  IN  EFI_ACPI_DESCRIPTION_HEADER  *AcpiHeader,
+  IN  UINTN                        TableSpecificHdrLength,
+  IN  STRUCTURE_HEADER             **Structures,
+  IN  UINTN                        StructureCount,
+  OUT UINT8                        **NewTable
+  )
+{
+  EFI_STATUS                  Status;
+  EFI_ACPI_DESCRIPTION_HEADER *InternalTable;
+  UINTN                       Index;
+  UINT8                       *CurrPtr;
+  UINT8                       *EndOfTablePtr;
+
+  if (AcpiHeader == NULL) {
+    DEBUG ((DEBUG_ERROR, "AcpiHeader pointer is NULL\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (AcpiHeader->Signature != EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE) {
+    DEBUG ((
+      DEBUG_ERROR,
+      "MADT header signature is expected, actually 0x%08x\n",
+      AcpiHeader->Signature
+      ));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (Structures == NULL) {
+    DEBUG ((DEBUG_ERROR, "Structure array pointer is NULL\n"));
+    return EFI_INVALID_PARAMETER;
+  }
+
+  for (Index = 0; Index < StructureCount; Index++) {
+    if (Structures[Index] == NULL) {
+      DEBUG ((DEBUG_ERROR, "Structure pointer %d is NULL\n", Index));
+      return EFI_INVALID_PARAMETER;
+    }
+  }
+
+  //
+  // Allocate the memory needed for the table.
+  //
+  Status = AllocateTable (
+    TableSpecificHdrLength,
+    Structures,
+    StructureCount,
+    &InternalTable
+    );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Copy Header and patch in structure length, checksum is programmed later
+  // after all structures are populated.
+  //
+  CopyMem (
+    (VOID *) InternalTable,
+    (VOID *) AcpiHeader,
+    TableSpecificHdrLength
+    );
+
+  InternalTable->Length = GetTableSize (TableSpecificHdrLength, Structures, StructureCount);
+
+  //
+  // Copy all the sub structures to the table.
+  //
+  CurrPtr = ((UINT8 *) InternalTable) + TableSpecificHdrLength;
+  EndOfTablePtr = ((UINT8 *) InternalTable) + InternalTable->Length;
+
+  for (Index = 0; Index < StructureCount; Index++) {
+    ASSERT (Structures[Index] != NULL);
+    if (Structures[Index] == NULL) {
+      break;
+    }
+
+    CopyMem (
+      (VOID *) CurrPtr,
+      (VOID *) Structures[Index],
+      Structures[Index]->Length
+      );
+
+    CurrPtr += Structures[Index]->Length;
+    ASSERT (CurrPtr <= EndOfTablePtr);
+    if (CurrPtr > EndOfTablePtr) {
+      break;
+    }
+  }
+
+  //
+  // Update the return pointer.
+  //
+  *NewTable = (UINT8 *) InternalTable;
+  return EFI_SUCCESS;
+}
+
+/**
+  Build from scratch and install the MADT.
+
+  @retval EFI_SUCCESS           The MADT was installed successfully.
+  @retval EFI_OUT_OF_RESOURCES  Could not allocate required structures.
+**/
+EFI_STATUS
+InstallMadtFromScratch (
+  VOID
+  )
+{
+  EFI_STATUS                                          Status;
+  UINTN                                               Index;
+  EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER *NewMadtTable;
+  UINTN                                               TableHandle;
+  EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER MadtTableHeader;
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE         ProcLocalApicStruct;
+  EFI_ACPI_4_0_IO_APIC_STRUCTURE                      IoApicStruct;
+  EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE    IntSrcOverrideStruct;
+  EFI_ACPI_4_0_LOCAL_APIC_NMI_STRUCTURE               LocalApciNmiStruct;
+  EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE       ProcLocalX2ApicStruct;
+  EFI_ACPI_4_0_LOCAL_X2APIC_NMI_STRUCTURE             LocalX2ApicNmiStruct;
+  STRUCTURE_HEADER                                    **MadtStructs;
+  UINTN                                               MaxMadtStructCount;
+  UINTN                                               MadtStructsIndex;
+  UINT32                                              CurrentIoApicAddress = (UINT32)(PcdGet32(PcdPcIoApicAddressBase));
+  UINT32                                              PcIoApicEnable;
+  UINT32                                              PcIoApicMask;
+  UINTN                                               PcIoApicIndex;
+
+  DetectApicIdMap();
+
+  // Call for Local APIC ID Reorder
+  SortCpuLocalApicInTable ();
+
+  NewMadtTable = NULL;
+
+  MaxMadtStructCount = (UINT32) (
+    MAX_CPU_NUM +    // processor local APIC structures
+    MAX_CPU_NUM +    // processor local x2APIC structures
+    1 + PcdGet8(PcdPcIoApicCount) +   // I/O APIC structures
+    2 +              // interrupt source override structures
+    1 +              // local APIC NMI structures
+    1                // local x2APIC NMI structures
+    );               // other structures are not used
+
+  MadtStructs = (STRUCTURE_HEADER **) AllocateZeroPool (MaxMadtStructCount * sizeof (STRUCTURE_HEADER *));
+  if (MadtStructs == NULL) {
+    DEBUG ((DEBUG_ERROR, "Could not allocate MADT structure pointer array\n"));
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  //
+  // Initialize the next index into the structure pointer array. It is
+  // incremented every time a structure of any type is copied to the array.
+  //
+  MadtStructsIndex = 0;
+
+  //
+  // Initialize MADT Header Structure
+  //
+  Status = InitializeMadtHeader (&MadtTableHeader);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "InitializeMadtHeader failed: %r\n", Status));
+    goto Done;
+  }
+
+  DEBUG ((EFI_D_INFO, "Number of CPUs detected = %d \n", mNumberOfCPUs));
+
+  //
+  // Build Processor Local APIC Structures and Processor Local X2APIC Structures
+  //
+  ProcLocalApicStruct.Type = EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC;
+  ProcLocalApicStruct.Length = sizeof (EFI_ACPI_4_0_PROCESSOR_LOCAL_APIC_STRUCTURE);
+
+  ProcLocalX2ApicStruct.Type = EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC;
+  ProcLocalX2ApicStruct.Length = sizeof (EFI_ACPI_4_0_PROCESSOR_LOCAL_X2APIC_STRUCTURE);
+  ProcLocalX2ApicStruct.Reserved[0] = 0;
+  ProcLocalX2ApicStruct.Reserved[1] = 0;
+
+  for (Index = 0; Index < MAX_CPU_NUM; Index++) {
+    //
+    // If x2APIC mode is not enabled, and if it is possible to express the
+    // APIC ID as a UINT8, use a processor local APIC structure. Otherwise,
+    // use a processor local x2APIC structure.
+    //
+    if (!mX2ApicEnabled && mCpuApicIdOrderTable[Index].ApicId < MAX_UINT8) {
+      ProcLocalApicStruct.Flags           = (UINT8) mCpuApicIdOrderTable[Index].Flags;
+      ProcLocalApicStruct.ApicId          = (UINT8) mCpuApicIdOrderTable[Index].ApicId;
+      ProcLocalApicStruct.AcpiProcessorId = (UINT8) mCpuApicIdOrderTable[Index].AcpiProcessorId;
+
+      ASSERT (MadtStructsIndex < MaxMadtStructCount);
+      Status = CopyStructure (
+        &MadtTableHeader.Header,
+        (STRUCTURE_HEADER *) &ProcLocalApicStruct,
+        &MadtStructs[MadtStructsIndex++]
+        );
+    } else if (mCpuApicIdOrderTable[Index].ApicId != 0xFFFFFFFF) {
+      ProcLocalX2ApicStruct.Flags            = (UINT8) mCpuApicIdOrderTable[Index].Flags;
+      ProcLocalX2ApicStruct.X2ApicId         = mCpuApicIdOrderTable[Index].ApicId;
+      ProcLocalX2ApicStruct.AcpiProcessorUid = mCpuApicIdOrderTable[Index].AcpiProcessorId;
+
+      ASSERT (MadtStructsIndex < MaxMadtStructCount);
+      Status = CopyStructure (
+        &MadtTableHeader.Header,
+        (STRUCTURE_HEADER *) &ProcLocalX2ApicStruct,
+        &MadtStructs[MadtStructsIndex++]
+        );
+    }
+    if (EFI_ERROR (Status)) {
+      DEBUG ((EFI_D_ERROR, "CopyMadtStructure (local APIC/x2APIC) failed: %r\n", Status));
+      goto Done;
+    }
+  }
+
+  //
+  // Build I/O APIC Structures
+  //
+  IoApicStruct.Type = EFI_ACPI_4_0_IO_APIC;
+  IoApicStruct.Length = sizeof (EFI_ACPI_4_0_IO_APIC_STRUCTURE);
+  IoApicStruct.Reserved = 0;
+
+  PcIoApicEnable = PcdGet32(PcdPcIoApicEnable);
+
+  if (FixedPcdGet32(PcdMaxCpuSocketCount) <= 4) {
+    IoApicStruct.IoApicId                  = PcdGet8(PcdIoApicId);
+    IoApicStruct.IoApicAddress             = PcdGet32(PcdIoApicAddress);
+    IoApicStruct.GlobalSystemInterruptBase = 0;
+    ASSERT (MadtStructsIndex < MaxMadtStructCount);
+    Status = CopyStructure (
+      &MadtTableHeader.Header,
+      (STRUCTURE_HEADER *) &IoApicStruct,
+      &MadtStructs[MadtStructsIndex++]
+      );
+    if (EFI_ERROR (Status)) {
+      DEBUG ((EFI_D_ERROR, "CopyMadtStructure (I/O APIC) failed: %r\n", Status));
+      goto Done;
+    }
+  }
+
+  for (PcIoApicIndex = 0; PcIoApicIndex < PcdGet8(PcdPcIoApicCount); PcIoApicIndex++) {
+      PcIoApicMask = (1 << PcIoApicIndex);
+      if ((PcIoApicEnable & PcIoApicMask) == 0) {
+        continue;
+      }
+
+      IoApicStruct.IoApicId                  = (UINT8)(PcdGet8(PcdPcIoApicIdBase) + PcIoApicIndex);
+      IoApicStruct.IoApicAddress             = CurrentIoApicAddress;
+      CurrentIoApicAddress                   = (CurrentIoApicAddress & 0xFFFF8000) + 0x8000;
+      IoApicStruct.GlobalSystemInterruptBase = (UINT32)(24 + (PcIoApicIndex * 8));
+      ASSERT (MadtStructsIndex < MaxMadtStructCount);
+      Status = CopyStructure (
+        &MadtTableHeader.Header,
+        (STRUCTURE_HEADER *) &IoApicStruct,
+        &MadtStructs[MadtStructsIndex++]
+        );
+      if (EFI_ERROR (Status)) {
+        DEBUG ((EFI_D_ERROR, "CopyMadtStructure (I/O APIC) failed: %r\n", Status));
+        goto Done;
+      }
+  }
+
+  //
+  // Build Interrupt Source Override Structures
+  //
+  IntSrcOverrideStruct.Type = EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE;
+  IntSrcOverrideStruct.Length = sizeof (EFI_ACPI_4_0_INTERRUPT_SOURCE_OVERRIDE_STRUCTURE);
+
+  //
+  // IRQ0=>IRQ2 Interrupt Source Override Structure
+  //
+  IntSrcOverrideStruct.Bus = 0x0;                   // Bus - ISA
+  IntSrcOverrideStruct.Source = 0x0;                // Source - IRQ0
+  IntSrcOverrideStruct.GlobalSystemInterrupt = 0x2; // Global System Interrupt - IRQ2
+  IntSrcOverrideStruct.Flags = 0x0;                 // Flags - Conforms to specifications of the bus
+
+  ASSERT (MadtStructsIndex < MaxMadtStructCount);
+  Status = CopyStructure (
+    &MadtTableHeader.Header,
+    (STRUCTURE_HEADER *) &IntSrcOverrideStruct,
+    &MadtStructs[MadtStructsIndex++]
+    );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "CopyMadtStructure (IRQ2 source override) failed: %r\n", Status));
+    goto Done;
+  }
+
+  //
+  // IRQ9 (SCI Active High) Interrupt Source Override Structure
+  //
+  IntSrcOverrideStruct.Bus = 0x0;                   // Bus - ISA
+  IntSrcOverrideStruct.Source = 0x9;                // Source - IRQ9
+  IntSrcOverrideStruct.GlobalSystemInterrupt = 0x9; // Global System Interrupt - IRQ9
+  IntSrcOverrideStruct.Flags = 0xD;                 // Flags - Level-tiggered, Active High
+
+  ASSERT (MadtStructsIndex < MaxMadtStructCount);
+  Status = CopyStructure (
+    &MadtTableHeader.Header,
+    (STRUCTURE_HEADER *) &IntSrcOverrideStruct,
+    &MadtStructs[MadtStructsIndex++]
+    );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "CopyMadtStructure (IRQ9 source override) failed: %r\n", Status));
+    goto Done;
+  }
+
+  //
+  // Build Local APIC NMI Structures
+  //
+  LocalApciNmiStruct.Type   = EFI_ACPI_4_0_LOCAL_APIC_NMI;
+  LocalApciNmiStruct.Length = sizeof (EFI_ACPI_4_0_LOCAL_APIC_NMI_STRUCTURE);
+  LocalApciNmiStruct.AcpiProcessorId = 0xFF;      // Applies to all processors
+  LocalApciNmiStruct.Flags           = 0x000D;    // Flags - Level-tiggered, Active High
+  LocalApciNmiStruct.LocalApicLint   = 0x1;
+
+  ASSERT (MadtStructsIndex < MaxMadtStructCount);
+  Status = CopyStructure (
+    &MadtTableHeader.Header,
+    (STRUCTURE_HEADER *) &LocalApciNmiStruct,
+    &MadtStructs[MadtStructsIndex++]
+    );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "CopyMadtStructure (APIC NMI) failed: %r\n", Status));
+    goto Done;
+  }
+
+  //
+  // Build Local x2APIC NMI Structure
+  //
+  LocalX2ApicNmiStruct.Type   = EFI_ACPI_4_0_LOCAL_X2APIC_NMI;
+  LocalX2ApicNmiStruct.Length = sizeof (EFI_ACPI_4_0_LOCAL_X2APIC_NMI_STRUCTURE);
+  LocalX2ApicNmiStruct.Flags  = 0x000D;                // Flags - Level-tiggered, Active High
+  LocalX2ApicNmiStruct.AcpiProcessorUid = 0xFFFFFFFF;  // Applies to all processors
+  LocalX2ApicNmiStruct.LocalX2ApicLint  = 0x01;
+  LocalX2ApicNmiStruct.Reserved[0] = 0x00;
+  LocalX2ApicNmiStruct.Reserved[1] = 0x00;
+  LocalX2ApicNmiStruct.Reserved[2] = 0x00;
+
+  ASSERT (MadtStructsIndex < MaxMadtStructCount);
+  Status = CopyStructure (
+    &MadtTableHeader.Header,
+    (STRUCTURE_HEADER *) &LocalX2ApicNmiStruct,
+    &MadtStructs[MadtStructsIndex++]
+    );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "CopyMadtStructure (x2APIC NMI) failed: %r\n", Status));
+    goto Done;
+  }
+
+  //
+  // Build Madt Structure from the Madt Header and collection of pointers in MadtStructs[]
+  //
+  Status = BuildAcpiTable (
+    (EFI_ACPI_DESCRIPTION_HEADER *) &MadtTableHeader,
+    sizeof (EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_HEADER),
+    MadtStructs,
+    MadtStructsIndex,
+    (UINT8 **)&NewMadtTable
+    );
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "BuildAcpiTable failed: %r\n", Status));
+    goto Done;
+  }
+
+  //
+  // Publish Madt Structure to ACPI
+  //
+  Status = mAcpiTable->InstallAcpiTable (
+    mAcpiTable,
+    NewMadtTable,
+    NewMadtTable->Header.Length,
+    &TableHandle
+    );
+
+Done:
+  //
+  // Free memory
+  //
+  for (MadtStructsIndex = 0; MadtStructsIndex < MaxMadtStructCount; MadtStructsIndex++) {
+    if (MadtStructs[MadtStructsIndex] != NULL) {
+      FreePool (MadtStructs[MadtStructsIndex]);
+    }
+  }
+
+  FreePool (MadtStructs);
+
+  if (NewMadtTable != NULL) {
+    FreePool (NewMadtTable);
+  }
+
+  return Status;
+}
+
+EFI_STATUS
+InstallMcfgFromScratch (
+  VOID
+  )
+{
+  EFI_STATUS                                                                            Status;
+  EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER                        *McfgTable;
+  EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE *Segment;
+  UINTN                                                                                 Index;
+  UINTN                                                                                 SegmentCount;
+  PCI_SEGMENT_INFO                                                                      *PciSegmentInfo;
+  UINTN                                                                                 TableHandle;
+
+  PciSegmentInfo = GetPciSegmentInfo (&SegmentCount);
+
+  McfgTable = AllocateZeroPool (
+                sizeof(EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER) +
+                sizeof(EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE) * SegmentCount
+                );
+  if (McfgTable == NULL) {
+    DEBUG ((DEBUG_ERROR, "Could not allocate MCFG structure\n"));
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  Status = InitializeHeader (
+    &McfgTable->Header,
+    EFI_ACPI_3_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE,
+    EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_SPACE_ACCESS_TABLE_REVISION,
+    0
+    );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Set MCFG table "Length" field based on the number of PCIe segments enumerated so far
+  //
+  McfgTable->Header.Length = (UINT32)(sizeof (EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER) + 
+                                      sizeof (EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_SPACE_BASE_ADDRESS_ALLOCATION_STRUCTURE) * SegmentCount);
+
+  Segment = (VOID *)(McfgTable + 1);
+
+  for (Index = 0; Index < SegmentCount; Index++) {
+    Segment[Index].PciSegmentGroupNumber  = PciSegmentInfo[Index].SegmentNumber;
+    Segment[Index].BaseAddress    = PciSegmentInfo[Index].BaseAddress;
+    Segment[Index].StartBusNumber = PciSegmentInfo[Index].StartBusNumber;
+    Segment[Index].EndBusNumber   = PciSegmentInfo[Index].EndBusNumber;
+  }
+
+  //
+  // Publish Madt Structure to ACPI
+  //
+  Status = mAcpiTable->InstallAcpiTable (
+    mAcpiTable,
+    McfgTable,
+    McfgTable->Header.Length,
+    &TableHandle
+    );
+
+  return Status;
+}
+
+/**
+  This function will update any runtime platform specific information.
+  This currently includes:
+    Setting OEM table values, ID, table ID, creator ID and creator revision.
+    Enabling the proper processor entries in the APIC tables
+  It also indicates with which ACPI table version the table belongs.
+
+  @param[in] Table        The table to update
+  @param[in] Version      Where to install this table
+
+  @retval EFI_SUCCESS     Updated tables commplete.
+**/
+EFI_STATUS
+PlatformUpdateTables (
+  IN OUT EFI_ACPI_COMMON_HEADER       *Table,
+  IN OUT EFI_ACPI_TABLE_VERSION       *Version
+  )
+{
+  EFI_ACPI_DESCRIPTION_HEADER               *TableHeader;
+  UINT8                                     *TempOemId;
+  UINT64                                    TempOemTableId;
+  EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE *FadtHeader;
+  EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER *HpetTable;
+  UINT32                                           HpetBaseAddress;
+  EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_BLOCK_ID     HpetBlockId;
+  UINT32                                           HpetCapabilitiesData;
+  HPET_GENERAL_CAPABILITIES_ID_REGISTER            HpetCapabilities;
+
+  TableHeader             = NULL;
+
+  //
+  // By default, a table belongs in all ACPI table versions published.
+  // Some tables will override this because they have different versions of the table.
+  //
+  TableHeader = (EFI_ACPI_DESCRIPTION_HEADER *) Table;
+
+  //
+  // Update the OEM and creator information for every table except FACS.
+  //
+  if (Table->Signature != EFI_ACPI_1_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE) {
+    TempOemId = (UINT8 *)PcdGetPtr(PcdAcpiDefaultOemId);
+    CopyMem (&TableHeader->OemId, TempOemId, 6);
+
+    //
+    // Skip OEM table ID and creator information for DSDT, SSDT and PSDT tables, since these are
+    // created by an ASL compiler and the creator information is useful.
+    //
+    if (Table->Signature != EFI_ACPI_1_0_DIFFERENTIATED_SYSTEM_DESCRIPTION_TABLE_SIGNATURE &&
+        Table->Signature != EFI_ACPI_1_0_SECONDARY_SYSTEM_DESCRIPTION_TABLE_SIGNATURE &&
+        Table->Signature != EFI_ACPI_1_0_PERSISTENT_SYSTEM_DESCRIPTION_TABLE_SIGNATURE
+        ) {
+      TempOemTableId = PcdGet64(PcdAcpiDefaultOemTableId);
+      CopyMem (&TableHeader->OemTableId, &TempOemTableId, 8);
+
+      //
+      // Update the creator ID
+      //
+      TableHeader->CreatorId = PcdGet32(PcdAcpiDefaultCreatorId);
+
+      //
+      // Update the creator revision
+      //
+      TableHeader->CreatorRevision = PcdGet32(PcdAcpiDefaultCreatorRevision);
+    }
+  }
+
+
+  //
+  // By default, a table belongs in all ACPI table versions published.
+  // Some tables will override this because they have different versions of the table.
+  //
+  *Version = EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0;
+
+  //
+  // Update the various table types with the necessary updates
+  //
+  switch (Table->Signature) {
+
+  case EFI_ACPI_4_0_MULTIPLE_APIC_DESCRIPTION_TABLE_SIGNATURE:
+    ASSERT(FALSE);
+    break;
+
+  case EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE:
+    FadtHeader    = (EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE *) Table;
+
+    FadtHeader->PreferredPmProfile = PcdGet8 (PcdFadtPreferredPmProfile);
+    FadtHeader->IaPcBootArch       = PcdGet16 (PcdFadtIaPcBootArch);
+    FadtHeader->Flags              = PcdGet32 (PcdFadtFlags);
+
+    FadtHeader->AcpiEnable  = PcdGet8 (PcdAcpiEnableSwSmi);
+    FadtHeader->AcpiDisable = PcdGet8 (PcdAcpiDisableSwSmi);
+
+    FadtHeader->Pm1aEvtBlk = PcdGet16 (PcdAcpiPm1AEventBlockAddress);
+    FadtHeader->Pm1bEvtBlk = PcdGet16 (PcdAcpiPm1BEventBlockAddress);
+    FadtHeader->Pm1aCntBlk = PcdGet16 (PcdAcpiPm1AControlBlockAddress);
+    FadtHeader->Pm1bCntBlk = PcdGet16 (PcdAcpiPm1BControlBlockAddress);
+    FadtHeader->Pm2CntBlk  = PcdGet16 (PcdAcpiPm2ControlBlockAddress);
+    FadtHeader->PmTmrBlk   = PcdGet16 (PcdAcpiPmTimerBlockAddress);
+    FadtHeader->Gpe0Blk    = PcdGet16 (PcdAcpiGpe0BlockAddress);
+    FadtHeader->Gpe1Blk    = PcdGet16 (PcdAcpiGpe1BlockAddress);
+
+    FadtHeader->XPm1aEvtBlk.Address = PcdGet16 (PcdAcpiPm1AEventBlockAddress);
+    FadtHeader->XPm1bEvtBlk.Address = PcdGet16 (PcdAcpiPm1BEventBlockAddress);
+    if (FadtHeader->XPm1bEvtBlk.Address == 0) {
+      FadtHeader->XPm1bEvtBlk.AccessSize = 0;
+    }
+    FadtHeader->XPm1aCntBlk.Address = PcdGet16 (PcdAcpiPm1AControlBlockAddress);
+    FadtHeader->XPm1bCntBlk.Address = PcdGet16 (PcdAcpiPm1BControlBlockAddress);
+    if (FadtHeader->XPm1bCntBlk.Address == 0) {
+      FadtHeader->XPm1bCntBlk.AccessSize = 0;
+    }
+    FadtHeader->XPm2CntBlk.Address  = PcdGet16 (PcdAcpiPm2ControlBlockAddress);
+    //if (FadtHeader->XPm2CntBlk.Address == 0) {
+      FadtHeader->XPm2CntBlk.AccessSize = 0;
+    //}
+    FadtHeader->XPmTmrBlk.Address   = PcdGet16 (PcdAcpiPmTimerBlockAddress);
+    FadtHeader->XGpe0Blk.Address    = PcdGet16 (PcdAcpiGpe0BlockAddress);
+    FadtHeader->XGpe1Blk.Address    = PcdGet16 (PcdAcpiGpe1BlockAddress);
+    if (FadtHeader->XGpe1Blk.Address == 0) {
+      FadtHeader->XGpe1Blk.AccessSize = 0;
+    }
+
+    DEBUG(( EFI_D_ERROR, "ACPI FADT table @ address 0x%x\n", Table ));
+    DEBUG(( EFI_D_ERROR, "  IaPcBootArch 0x%x\n", FadtHeader->IaPcBootArch ));
+    DEBUG(( EFI_D_ERROR, "  Flags 0x%x\n", FadtHeader->Flags ));
+    break;
+
+  case EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE:
+    HpetTable = (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER *)Table;
+    HpetBaseAddress = PcdGet32 (PcdHpetBaseAddress);
+    HpetTable->BaseAddressLower32Bit.Address = HpetBaseAddress;
+    HpetTable->BaseAddressLower32Bit.RegisterBitWidth = 0;
+    HpetCapabilitiesData     = MmioRead32 (HpetBaseAddress + HPET_GENERAL_CAPABILITIES_ID_OFFSET);
+    HpetCapabilities.Uint64  = HpetCapabilitiesData;
+    HpetCapabilitiesData     = MmioRead32 (HpetBaseAddress + HPET_GENERAL_CAPABILITIES_ID_OFFSET + 4);
+    HpetCapabilities.Uint64 |= LShiftU64 (HpetCapabilitiesData, 32);
+    HpetBlockId.Bits.Revision       = HpetCapabilities.Bits.Revision;
+    HpetBlockId.Bits.NumberOfTimers = HpetCapabilities.Bits.NumberOfTimers;
+    HpetBlockId.Bits.CounterSize    = HpetCapabilities.Bits.CounterSize;
+    HpetBlockId.Bits.Reserved       = 0;
+    HpetBlockId.Bits.LegacyRoute    = HpetCapabilities.Bits.LegacyRoute;
+    HpetBlockId.Bits.VendorId       = HpetCapabilities.Bits.VendorId;
+    HpetTable->EventTimerBlockId    = HpetBlockId.Uint32;
+    HpetTable->MainCounterMinimumClockTickInPeriodicMode = (UINT16)HpetCapabilities.Bits.CounterClockPeriod;
+    DEBUG(( EFI_D_ERROR, "ACPI HPET table @ address 0x%x\n", Table ));
+    DEBUG(( EFI_D_ERROR, "  HPET base 0x%x\n", PcdGet32 (PcdHpetBaseAddress) ));
+    break;
+
+  case EFI_ACPI_3_0_PCI_EXPRESS_MEMORY_MAPPED_CONFIGURATION_SPACE_BASE_ADDRESS_DESCRIPTION_TABLE_SIGNATURE:
+    ASSERT(FALSE);
+    break;
+
+  default:
+    break;
+  }
+  return EFI_SUCCESS;
+}
+
+/**
+  This function calculates RCR based on PCI Device ID and Vendor ID from the devices
+  available on the platform.
+  It also includes other instances of BIOS change to calculate CRC and provides as
+  HWSignature filed in FADT table.
+**/
+VOID
+IsHardwareChange (
+  VOID
+  )
+{
+  EFI_STATUS                    Status;
+  UINTN                         Index;
+  UINTN                         HandleCount;
+  EFI_HANDLE                    *HandleBuffer;
+  EFI_PCI_IO_PROTOCOL           *PciIo;
+  UINT32                        CRC;
+  UINT32                        *HWChange;
+  UINTN                         HWChangeSize;
+  UINT32                        PciId;
+  UINTN                         Handle;
+  EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *FacsPtr;
+  EFI_ACPI_3_0_FIXED_ACPI_DESCRIPTION_TABLE    *pFADT;
+
+  HandleCount  = 0;
+  HandleBuffer = NULL;
+
+  Status = gBS->LocateHandleBuffer (
+                  ByProtocol,
+                  &gEfiPciIoProtocolGuid,
+                  NULL,
+                  &HandleCount,
+                  &HandleBuffer
+                  );
+  if (EFI_ERROR (Status)) {
+    return; // PciIO protocol not installed yet!
+  }
+
+  //
+  // Allocate memory for HWChange and add additional entrie for
+  // pFADT->XDsdt
+  //
+  HWChangeSize = HandleCount + 1;
+  HWChange = AllocateZeroPool( sizeof(UINT32) * HWChangeSize );
+  ASSERT( HWChange != NULL );
+
+  if (HWChange == NULL) return;
+
+  //
+  // add HWChange inputs: PCI devices
+  //
+  for (Index = 0; HandleCount > 0; HandleCount--) {
+    PciId = 0;
+    Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiPciIoProtocolGuid, (VOID **) &PciIo);
+    if (!EFI_ERROR (Status)) {
+      Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, 1, &PciId);
+      if (EFI_ERROR (Status)) {
+        continue;
+      }
+      HWChange[Index++] = PciId;
+    }
+  }
+
+  //
+  // Locate FACP Table
+  //
+  Handle = 0;
+  Status = LocateAcpiTableBySignature (
+              EFI_ACPI_1_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+              (EFI_ACPI_DESCRIPTION_HEADER **) &pFADT,
+              &Handle
+              );
+  if (EFI_ERROR (Status) || (pFADT == NULL)) {
+    return;  //Table not found or out of memory resource for pFADT table
+  }
+
+  //
+  // add HWChange inputs: others
+  //
+  HWChange[Index++] = (UINT32)pFADT->XDsdt;
+
+  //
+  // Calculate CRC value with HWChange data.
+  //
+  Status = gBS->CalculateCrc32(HWChange, HWChangeSize, &CRC);
+  DEBUG((DEBUG_INFO, "CRC = %x and Status = %r\n", CRC, Status));
+
+  //
+  // Set HardwareSignature value based on CRC value.
+  //
+  FacsPtr = (EFI_ACPI_2_0_FIRMWARE_ACPI_CONTROL_STRUCTURE *)(UINTN)pFADT->FirmwareCtrl;
+  FacsPtr->HardwareSignature = CRC;
+  FreePool( HWChange );
+}
+
+VOID
+UpdateLocalTable (
+  VOID
+  )
+{
+  EFI_STATUS                    Status;
+  EFI_ACPI_COMMON_HEADER        *CurrentTable;
+  EFI_ACPI_TABLE_VERSION        Version;
+  UINTN                         TableHandle;
+  UINTN                         Index;
+
+  for (Index = 0; Index < sizeof(mLocalTable)/sizeof(mLocalTable[0]); Index++) {
+    CurrentTable = mLocalTable[Index];
+  
+    PlatformUpdateTables (CurrentTable, &Version);
+
+    TableHandle = 0;
+
+    if (Version != EFI_ACPI_TABLE_VERSION_NONE) {
+      Status = mAcpiTable->InstallAcpiTable (
+                              mAcpiTable,
+                              CurrentTable,
+                              CurrentTable->Length,
+                              &TableHandle
+                              );
+      ASSERT_EFI_ERROR (Status);
+    }
+  }
+}
+
+
+VOID
+EFIAPI
+AcpiEndOfDxeEvent (
+  EFI_EVENT           Event,
+  VOID                *ParentImageHandle
+  )
+{
+
+  if (Event != NULL) {
+    gBS->CloseEvent(Event);
+  }
+
+
+  //
+  // Calculate Hardware Signature value based on current platform configurations
+  //
+  IsHardwareChange();
+}
+
+/**
+  ACPI Platform driver installation function.
+
+  @param[in] ImageHandle     Handle for this drivers loaded image protocol.
+  @param[in] SystemTable     EFI system table.
+
+  @retval EFI_SUCCESS        The driver installed without error.
+  @retval EFI_ABORTED        The driver encountered an error and could not complete installation of
+                             the ACPI tables.
+
+**/
+EFI_STATUS
+EFIAPI
+InstallAcpiPlatform (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS                    Status;
+  EFI_EVENT                     EndOfDxeEvent;
+
+
+  Status = gBS->LocateProtocol (&gEfiMpServiceProtocolGuid, NULL, (VOID **)&mMpService);
+  ASSERT_EFI_ERROR (Status);
+
+  Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID **)&mAcpiTable);
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Create an End of DXE event.
+  //
+  Status = gBS->CreateEventEx (
+                  EVT_NOTIFY_SIGNAL,
+                  TPL_CALLBACK,
+                  AcpiEndOfDxeEvent,
+                  NULL,
+                  &gEfiEndOfDxeEventGroupGuid,
+                  &EndOfDxeEvent
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Determine the number of processors
+  //
+  mMpService->GetNumberOfProcessors (
+              mMpService,
+              &mNumberOfCPUs,
+              &mNumberOfEnabledCPUs
+              );
+  ASSERT (mNumberOfCPUs <= MAX_CPU_NUM && mNumberOfEnabledCPUs >= 1);
+  DEBUG ((DEBUG_INFO, "mNumberOfCPUs - %d\n", mNumberOfCPUs));
+  DEBUG ((DEBUG_INFO, "mNumberOfEnabledCPUs - %d\n", mNumberOfEnabledCPUs));
+
+  DEBUG ((DEBUG_INFO, "mX2ApicEnabled - 0x%x\n", mX2ApicEnabled));
+  DEBUG ((DEBUG_INFO, "mForceX2ApicId - 0x%x\n", mForceX2ApicId));
+
+  // support up to 64 threads/socket
+  AsmCpuidEx(CPUID_EXTENDED_TOPOLOGY, 1, &mNumOfBitShift, NULL, NULL, NULL);
+  mNumOfBitShift &= 0x1F;
+  DEBUG ((DEBUG_INFO, "mNumOfBitShift - 0x%x\n", mNumOfBitShift));
+
+  UpdateLocalTable ();
+
+  InstallMadtFromScratch ();
+  InstallMcfgFromScratch ();
+
+  return EFI_SUCCESS;
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Facs/Facs.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Facs/Facs.c
new file mode 100644
index 0000000000..a16c13466a
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Facs/Facs.c
@@ -0,0 +1,84 @@
+/** @file
+  This file contains a structure definition for the ACPI 5.0 Firmware ACPI
+  Control Structure (FACS).  The contents of this file should only be modified
+  for bug fixes, no porting is required.
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// Statements that include other files
+//
+
+#include <IndustryStandard/Acpi.h>
+
+//
+// FACS Definitions
+//
+#define EFI_ACPI_FIRMWARE_WAKING_VECTOR 0x00000000
+#define EFI_ACPI_GLOBAL_LOCK            0x00000000
+
+//
+// Firmware Control Structure Feature Flags are defined in AcpiX.0.h
+//
+#define EFI_ACPI_FIRMWARE_CONTROL_STRUCTURE_FLAGS 0x00000000
+
+#define EFI_ACPI_X_FIRMWARE_WAKING_VECTOR         0x0000000000000000
+
+#define EFI_ACPI_OSPM_FLAGS                       0x00000000
+
+
+//
+// Firmware ACPI Control Structure
+// Please modify all values in Facs.h only.
+//
+
+EFI_ACPI_5_0_FIRMWARE_ACPI_CONTROL_STRUCTURE Facs = {
+  EFI_ACPI_5_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_SIGNATURE,
+  sizeof (EFI_ACPI_5_0_FIRMWARE_ACPI_CONTROL_STRUCTURE),
+
+  //
+  // Hardware Signature will be updated at runtime
+  //
+  0x00000000,
+
+  EFI_ACPI_FIRMWARE_WAKING_VECTOR,
+  EFI_ACPI_GLOBAL_LOCK,
+  EFI_ACPI_FIRMWARE_CONTROL_STRUCTURE_FLAGS,
+  EFI_ACPI_X_FIRMWARE_WAKING_VECTOR,
+  EFI_ACPI_5_0_FIRMWARE_ACPI_CONTROL_STRUCTURE_VERSION,
+  {
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE
+  },
+  EFI_ACPI_OSPM_FLAGS,
+  {
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE
+  }
+};
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Fadt/Fadt.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Fadt/Fadt.c
new file mode 100644
index 0000000000..8aa10a4a5b
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Fadt/Fadt.c
@@ -0,0 +1,359 @@
+/** @file
+  This file contains a structure definition for the ACPI 5.0 Fixed ACPI
+  Description Table (FADT).  The contents of this file should only be modified
+  for bug fixes, no porting is required.
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// Statements that include other files
+//
+#include <IndustryStandard/Acpi.h>
+
+//
+// FADT Definitions
+//
+#define EFI_ACPI_OEM_FADT_REVISION    0x00000000
+
+#define EFI_ACPI_PREFERRED_PM_PROFILE 0x00 // To be fixed
+
+#define EFI_ACPI_SCI_INT              0x0009
+#define EFI_ACPI_SMI_CMD              0x000000B2
+
+#define EFI_ACPI_ACPI_ENABLE          0 // To be fixed
+#define EFI_ACPI_ACPI_DISABLE         0 // To be fixed
+#define EFI_ACPI_S4_BIOS_REQ          0x00
+#define EFI_ACPI_CST_CNT              0x00
+
+#define EFI_ACPI_PSTATE_CNT           0x00
+#define EFI_ACPI_GPE1_BASE            (EFI_ACPI_GPE1_BLK_BIT_WIDTH / 2)
+#define EFI_ACPI_P_LVL2_LAT           0x0065 // 101
+#define EFI_ACPI_P_LVL3_LAT           0x03E9 // 1001
+#define EFI_ACPI_FLUSH_SIZE           0x0000
+#define EFI_ACPI_FLUSH_STRIDE         0x0000
+#define EFI_ACPI_DUTY_OFFSET          0x01
+#define EFI_ACPI_DUTY_WIDTH           0x00
+
+#define EFI_ACPI_DAY_ALRM             0x0D
+#define EFI_ACPI_MON_ALRM             0x00
+#define EFI_ACPI_CENTURY              0x32
+
+//
+// IA-PC Boot Architecture Flags
+//
+
+#define EFI_ACPI_IAPC_BOOT_ARCH       0 // To be fixed
+
+//
+// Fixed Feature Flags
+//
+#define EFI_ACPI_FIXED_FEATURE_FLAGS  0 // To be fixed
+
+//
+// PM1A Event Register Block Generic Address Information
+//
+#define EFI_ACPI_PM1A_EVT_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM1A_EVT_BLK_BIT_WIDTH         0x20
+#define EFI_ACPI_PM1A_EVT_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_PM1A_EVT_BLK_ADDRESS           0 // To be fixed
+
+//
+// PM1B Event Register Block Generic Address Information
+//
+#define EFI_ACPI_PM1B_EVT_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM1B_EVT_BLK_BIT_WIDTH         0x00
+#define EFI_ACPI_PM1B_EVT_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_PM1B_EVT_BLK_ADDRESS           0 // To be fixed
+
+//
+// PM1A Control Register Block Generic Address Information
+//
+#define EFI_ACPI_PM1A_CNT_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM1A_CNT_BLK_BIT_WIDTH         0x10
+#define EFI_ACPI_PM1A_CNT_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_PM1A_CNT_BLK_ADDRESS           0 // To be fixed
+
+//
+// PM1B Control Register Block Generic Address Information
+//
+#define EFI_ACPI_PM1B_CNT_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM1B_CNT_BLK_BIT_WIDTH         0x00
+#define EFI_ACPI_PM1B_CNT_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_PM1B_CNT_BLK_ADDRESS           0 // To be fixed
+
+//
+// PM2 Control Register Block Generic Address Information
+//
+#define EFI_ACPI_PM2_CNT_BLK_ADDRESS_SPACE_ID EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM2_CNT_BLK_BIT_WIDTH        0x08
+#define EFI_ACPI_PM2_CNT_BLK_BIT_OFFSET       0x00
+#define EFI_ACPI_PM2_CNT_BLK_ADDRESS          0 // To be fixed
+
+//
+// Power Management Timer Control Register Block Generic Address
+// Information
+//
+#define EFI_ACPI_PM_TMR_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_PM_TMR_BLK_BIT_WIDTH         0x20
+#define EFI_ACPI_PM_TMR_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_PM_TMR_BLK_ADDRESS           0 // To be fixed
+
+//
+// General Purpose Event 0 Register Block Generic Address
+// Information
+//
+#define EFI_ACPI_GPE0_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_GPE0_BLK_BIT_WIDTH         0  // size of R_PCH_ACPI_GPE0_STS_127_96 + R_PCH_ACPI_GPE0_EN_127_96
+#define EFI_ACPI_GPE0_BLK_BIT_OFFSET        0x00
+#define EFI_ACPI_GPE0_BLK_ADDRESS           0 // To be fixed
+
+//
+// General Purpose Event 1 Register Block Generic Address
+// Information
+//
+#define EFI_ACPI_GPE1_BLK_ADDRESS_SPACE_ID  EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_GPE1_BLK_BIT_WIDTH         0x0
+#define EFI_ACPI_GPE1_BLK_BIT_OFFSET        0x0
+#define EFI_ACPI_GPE1_BLK_ADDRESS           0 // To be fixed
+//
+// Reset Register Generic Address Information
+//
+#define EFI_ACPI_RESET_REG_ADDRESS_SPACE_ID EFI_ACPI_2_0_SYSTEM_IO
+#define EFI_ACPI_RESET_REG_BIT_WIDTH        0x08
+#define EFI_ACPI_RESET_REG_BIT_OFFSET       0x00
+#define EFI_ACPI_RESET_REG_ADDRESS          0x00000CF9
+#define EFI_ACPI_RESET_VALUE                0x06
+
+//
+// Number of bytes decoded by PM1 event blocks (a and b)
+//
+#define EFI_ACPI_PM1_EVT_LEN  ((EFI_ACPI_PM1A_EVT_BLK_BIT_WIDTH + EFI_ACPI_PM1B_EVT_BLK_BIT_WIDTH) / 8)
+
+//
+// Number of bytes decoded by PM1 control blocks (a and b)
+//
+#define EFI_ACPI_PM1_CNT_LEN  ((EFI_ACPI_PM1A_CNT_BLK_BIT_WIDTH + EFI_ACPI_PM1B_CNT_BLK_BIT_WIDTH) / 8)
+
+//
+// Number of bytes decoded by PM2 control block
+//
+#define EFI_ACPI_PM2_CNT_LEN  (EFI_ACPI_PM2_CNT_BLK_BIT_WIDTH / 8)
+
+//
+// Number of bytes decoded by PM timer block
+//
+#define EFI_ACPI_PM_TMR_LEN (EFI_ACPI_PM_TMR_BLK_BIT_WIDTH / 8)
+
+//
+// Number of bytes decoded by GPE0 block
+//
+#define EFI_ACPI_GPE0_BLK_LEN (EFI_ACPI_GPE0_BLK_BIT_WIDTH / 8)
+
+//
+// Number of bytes decoded by GPE1 block
+//
+#define EFI_ACPI_GPE1_BLK_LEN (EFI_ACPI_GPE1_BLK_BIT_WIDTH / 8)
+
+//
+// Fixed ACPI Description Table
+// Please modify all values in Fadt.h only.
+//
+
+EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE Fadt = {
+  {
+    EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE_SIGNATURE,
+    sizeof (EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE),
+    EFI_ACPI_5_0_FIXED_ACPI_DESCRIPTION_TABLE_REVISION,
+
+    //
+    // Checksum will be updated at runtime
+    //
+    0x00,
+
+    //
+    // It is expected that these values will be updated at runtime
+    //
+    { ' ', ' ', ' ', ' ', ' ', ' ' },
+
+    0,
+    EFI_ACPI_OEM_FADT_REVISION,
+    0,
+    0
+  },
+
+  //
+  // These addresses will be updated at runtime
+  //
+  0x00000000,
+  0x00000000,
+
+  EFI_ACPI_RESERVED_BYTE,
+  EFI_ACPI_PREFERRED_PM_PROFILE,
+  EFI_ACPI_SCI_INT,
+  EFI_ACPI_SMI_CMD,
+  EFI_ACPI_ACPI_ENABLE,
+  EFI_ACPI_ACPI_DISABLE,
+  EFI_ACPI_S4_BIOS_REQ,
+  EFI_ACPI_PSTATE_CNT,
+
+  EFI_ACPI_PM1A_EVT_BLK_ADDRESS,
+  EFI_ACPI_PM1B_EVT_BLK_ADDRESS,
+  EFI_ACPI_PM1A_CNT_BLK_ADDRESS,
+  EFI_ACPI_PM1B_CNT_BLK_ADDRESS,
+  EFI_ACPI_PM2_CNT_BLK_ADDRESS,
+  EFI_ACPI_PM_TMR_BLK_ADDRESS,
+  EFI_ACPI_GPE0_BLK_ADDRESS,
+  EFI_ACPI_GPE1_BLK_ADDRESS,
+  EFI_ACPI_PM1_EVT_LEN,
+  EFI_ACPI_PM1_CNT_LEN,
+  EFI_ACPI_PM2_CNT_LEN,
+  EFI_ACPI_PM_TMR_LEN,
+  EFI_ACPI_GPE0_BLK_LEN,
+  EFI_ACPI_GPE1_BLK_LEN,
+  EFI_ACPI_GPE1_BASE,
+
+  //
+  // Latest OS have C-State capability and CST_CNT SMI doesn't need to be defined.
+  // CST_CNT SMI is not handled in BIOS and it can be removed safely.
+  //
+  EFI_ACPI_CST_CNT,
+  EFI_ACPI_P_LVL2_LAT,
+  EFI_ACPI_P_LVL3_LAT,
+  EFI_ACPI_FLUSH_SIZE,
+  EFI_ACPI_FLUSH_STRIDE,
+  EFI_ACPI_DUTY_OFFSET,
+  EFI_ACPI_DUTY_WIDTH,
+  EFI_ACPI_DAY_ALRM,
+  EFI_ACPI_MON_ALRM,
+  EFI_ACPI_CENTURY,
+  EFI_ACPI_IAPC_BOOT_ARCH,
+  EFI_ACPI_RESERVED_BYTE,
+  EFI_ACPI_FIXED_FEATURE_FLAGS,
+
+  //
+  // Reset Register Block
+  //
+  {
+    EFI_ACPI_RESET_REG_ADDRESS_SPACE_ID,
+    EFI_ACPI_RESET_REG_BIT_WIDTH,
+    EFI_ACPI_RESET_REG_BIT_OFFSET,
+    EFI_ACPI_5_0_BYTE,
+    EFI_ACPI_RESET_REG_ADDRESS
+  },
+  EFI_ACPI_RESET_VALUE,
+  {
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE,
+    EFI_ACPI_RESERVED_BYTE
+  },
+
+  //
+  // These addresses will be updated at runtime
+  //
+  0x0000000000000000, // X_FIRMWARE_CTRL
+  0x0000000000000000, // X_DSDT
+
+  {
+    //
+    // X_PM1a Event Register Block
+    //
+    EFI_ACPI_PM1A_EVT_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM1A_EVT_BLK_BIT_WIDTH,
+    EFI_ACPI_PM1A_EVT_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_WORD,
+    EFI_ACPI_PM1A_EVT_BLK_ADDRESS
+  },
+  {
+    //
+    // X_PM1b Event Register Block
+    //
+    EFI_ACPI_PM1B_EVT_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM1B_EVT_BLK_BIT_WIDTH,
+    EFI_ACPI_PM1B_EVT_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_WORD,
+    EFI_ACPI_PM1B_EVT_BLK_ADDRESS
+  },
+  {
+    //
+    // X_PM1a Control Register Block
+    //
+    EFI_ACPI_PM1A_CNT_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM1A_CNT_BLK_BIT_WIDTH,
+    EFI_ACPI_PM1A_CNT_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_WORD,
+    EFI_ACPI_PM1A_CNT_BLK_ADDRESS
+  },
+  {
+    //
+    // X_PM1b Control Register Block
+    //
+    EFI_ACPI_PM1B_CNT_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM1B_CNT_BLK_BIT_WIDTH,
+    EFI_ACPI_PM1B_CNT_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_WORD,
+    EFI_ACPI_PM1B_CNT_BLK_ADDRESS
+  },
+  {
+    //
+    // X_PM2 Control Register Block
+    //
+    EFI_ACPI_PM2_CNT_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM2_CNT_BLK_BIT_WIDTH,
+    EFI_ACPI_PM2_CNT_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_BYTE,
+    EFI_ACPI_PM2_CNT_BLK_ADDRESS
+  },
+  {
+    //
+    // X_PM Timer Control Register Block
+    //
+    EFI_ACPI_PM_TMR_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_PM_TMR_BLK_BIT_WIDTH,
+    EFI_ACPI_PM_TMR_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_DWORD,
+    EFI_ACPI_PM_TMR_BLK_ADDRESS
+  },
+  {
+    //
+    // X_General Purpose Event 0 Register Block
+    //
+    EFI_ACPI_GPE0_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_GPE0_BLK_BIT_WIDTH,
+    EFI_ACPI_GPE0_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_BYTE,
+    EFI_ACPI_GPE0_BLK_ADDRESS
+  },
+  {
+    //
+    // X_General Purpose Event 1 Register Block
+    //
+    EFI_ACPI_GPE1_BLK_ADDRESS_SPACE_ID,
+    EFI_ACPI_GPE1_BLK_BIT_WIDTH,
+    EFI_ACPI_GPE1_BLK_BIT_OFFSET,
+    EFI_ACPI_5_0_BYTE,
+    EFI_ACPI_GPE1_BLK_ADDRESS
+  },
+  {
+  //
+  // Sleep Control Reg - update in DXE driver
+  //
+    0,
+    0,
+    0,
+    0,
+    0
+  },
+  {
+  //
+  // Sleep Status Reg - update in DXE driver
+  //
+    0,
+    0,
+    0,
+    0,
+    0
+  }
+};
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.c
new file mode 100644
index 0000000000..aa386ba149
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Hpet/Hpet.c
@@ -0,0 +1,78 @@
+/** @file
+  This file contains a structure definition for the ACPI 1.0 High Precision Event Timer
+  Description Table (HPET).  The contents of this file should only be modified
+  for bug fixes, no porting is required.
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// Statements that include other files
+//
+
+#include <IndustryStandard/Acpi.h>
+#include <IndustryStandard/HighPrecisionEventTimerTable.h>
+
+//
+// HPET Definitions
+//
+#define EFI_ACPI_OEM_HPET_REVISION    0x00000001
+
+#define EFI_ACPI_EVENT_TIMER_BLOCK_ID                   0x0 // To be filled
+
+//
+// Event Timer Block Base Address Information
+//
+#define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID EFI_ACPI_3_0_SYSTEM_MEMORY
+#define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH        0x40
+#define EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET       0x00
+#define EFI_ACPI_EVENT_TIMER_ACCESS_SIZE            0x00
+#define EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS          0x0 // To be filled
+
+#define EFI_ACPI_HPET_NUMBER                        0x00
+
+#define EFI_ACPI_MIN_CLOCK_TICK                     0x0080
+
+#define EFI_ACPI_HPET_ATTRIBUTES                    0x00
+
+//
+// High Precision Event Timer Table
+// Please modify all values in Hpet.h only.
+//
+
+EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER Hpet = {
+  {
+    EFI_ACPI_3_0_HIGH_PRECISION_EVENT_TIMER_TABLE_SIGNATURE,
+    sizeof (EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_HEADER),
+    EFI_ACPI_HIGH_PRECISION_EVENT_TIMER_TABLE_REVISION,
+
+    //
+    // Checksum will be updated at runtime
+    //
+    0x00,
+
+    //
+    // It is expected that these values will be updated at runtime
+    //
+    { ' ', ' ', ' ', ' ', ' ', ' ' },
+
+    0,
+    EFI_ACPI_OEM_HPET_REVISION,
+    0,
+    0
+  },
+
+  EFI_ACPI_EVENT_TIMER_BLOCK_ID,
+  {
+    EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS_SPACE_ID,
+    EFI_ACPI_EVENT_TIMER_BLOCK_BIT_WIDTH,
+    EFI_ACPI_EVENT_TIMER_BLOCK_BIT_OFFSET,
+    EFI_ACPI_EVENT_TIMER_ACCESS_SIZE,
+    EFI_ACPI_EVENT_TIMER_BLOCK_ADDRESS
+  },
+  EFI_ACPI_HPET_NUMBER,
+  EFI_ACPI_MIN_CLOCK_TICK,
+  EFI_ACPI_HPET_ATTRIBUTES
+};
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Wsmt/Wsmt.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Wsmt/Wsmt.c
new file mode 100644
index 0000000000..12e2feacb4
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/Wsmt/Wsmt.c
@@ -0,0 +1,46 @@
+/** @file
+  ACPI WSMT table
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// Statements that include other files
+//
+
+#include <IndustryStandard/Acpi.h>
+#include <IndustryStandard/WindowsSmmSecurityMitigationTable.h>
+#include <Library/PcdLib.h>
+
+//
+// WSMT Definitions
+//
+
+#define EFI_ACPI_OEM_WSMT_REVISION                      0x00000001
+
+EFI_ACPI_WSMT_TABLE Wsmt = {
+  {
+    EFI_ACPI_WINDOWS_SMM_SECURITY_MITIGATION_TABLE_SIGNATURE,
+    sizeof (EFI_ACPI_WSMT_TABLE),
+    EFI_WSMT_TABLE_REVISION,
+
+    //
+    // Checksum will be updated at runtime
+    //
+    0x00,
+
+    //
+    // It is expected that these values will be updated at runtime
+    //
+    { ' ', ' ', ' ', ' ', ' ', ' ' },
+
+    0,
+    EFI_ACPI_OEM_WSMT_REVISION,
+    0,
+    0
+  },
+
+  FixedPcdGet32(PcdWsmtProtectionFlags)
+};
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/ComponentName.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/ComponentName.c
new file mode 100644
index 0000000000..dd9cc80e42
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/ComponentName.c
@@ -0,0 +1,205 @@
+/** @file
+  Component name for the QEMU video controller.
+
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "Qemu.h"
+
+//
+// EFI Component Name Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gQemuVideoComponentName = {
+  QemuVideoComponentNameGetDriverName,
+  QemuVideoComponentNameGetControllerName,
+  "eng"
+};
+
+//
+// EFI Component Name 2 Protocol
+//
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gQemuVideoComponentName2 = {
+  (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) QemuVideoComponentNameGetDriverName,
+  (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) QemuVideoComponentNameGetControllerName,
+  "en"
+};
+
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoDriverNameTable[] = {
+  { "eng;en", L"QEMU Video Driver" },
+  { NULL , NULL }
+};
+
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mQemuVideoControllerNameTable[] = {
+  { "eng;en", L"QEMU Video PCI Adapter" },
+  { NULL , NULL }
+};
+
+/**
+  Retrieves a Unicode string that is the user readable name of the driver.
+
+  This function retrieves the user readable name of a driver in the form of a
+  Unicode string. If the driver specified by This has a user readable name in
+  the language specified by Language, then a pointer to the driver name is
+  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+  by This does not support the language specified by Language,
+  then EFI_UNSUPPORTED is returned.
+
+  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+                                EFI_COMPONENT_NAME_PROTOCOL instance.
+
+  @param  Language[in]          A pointer to a Null-terminated ASCII string
+                                array indicating the language. This is the
+                                language of the driver name that the caller is
+                                requesting, and it must match one of the
+                                languages specified in SupportedLanguages. The
+                                number of languages supported by a driver is up
+                                to the driver writer. Language is specified
+                                in RFC 4646 or ISO 639-2 language code format.
+
+  @param  DriverName[out]       A pointer to the Unicode string to return.
+                                This Unicode string is the name of the
+                                driver specified by This in the language
+                                specified by Language.
+
+  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
+                                This and the language specified by Language was
+                                returned in DriverName.
+
+  @retval EFI_INVALID_PARAMETER Language is NULL.
+
+  @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This does not support
+                                the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoComponentNameGetDriverName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
+  IN  CHAR8                        *Language,
+  OUT CHAR16                       **DriverName
+  )
+{
+  return LookupUnicodeString2 (
+           Language,
+           This->SupportedLanguages,
+           mQemuVideoDriverNameTable,
+           DriverName,
+           (BOOLEAN)(This == &gQemuVideoComponentName)
+           );
+}
+
+/**
+  Retrieves a Unicode string that is the user readable name of the controller
+  that is being managed by a driver.
+
+  This function retrieves the user readable name of the controller specified by
+  ControllerHandle and ChildHandle in the form of a Unicode string. If the
+  driver specified by This has a user readable name in the language specified by
+  Language, then a pointer to the controller name is returned in ControllerName,
+  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
+  managing the controller specified by ControllerHandle and ChildHandle,
+  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
+  support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+                                EFI_COMPONENT_NAME_PROTOCOL instance.
+
+  @param  ControllerHandle[in]  The handle of a controller that the driver
+                                specified by This is managing.  This handle
+                                specifies the controller whose name is to be
+                                returned.
+
+  @param  ChildHandle[in]       The handle of the child controller to retrieve
+                                the name of.  This is an optional parameter that
+                                may be NULL.  It will be NULL for device
+                                drivers.  It will also be NULL for a bus drivers
+                                that wish to retrieve the name of the bus
+                                controller.  It will not be NULL for a bus
+                                driver that wishes to retrieve the name of a
+                                child controller.
+
+  @param  Language[in]          A pointer to a Null-terminated ASCII string
+                                array indicating the language.  This is the
+                                language of the driver name that the caller is
+                                requesting, and it must match one of the
+                                languages specified in SupportedLanguages. The
+                                number of languages supported by a driver is up
+                                to the driver writer. Language is specified in
+                                RFC 4646 or ISO 639-2 language code format.
+
+  @param  ControllerName[out]   A pointer to the Unicode string to return.
+                                This Unicode string is the name of the
+                                controller specified by ControllerHandle and
+                                ChildHandle in the language specified by
+                                Language from the point of view of the driver
+                                specified by This.
+
+  @retval EFI_SUCCESS           The Unicode string for the user readable name in
+                                the language specified by Language for the
+                                driver specified by This was returned in
+                                DriverName.
+
+  @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
+
+  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+                                EFI_HANDLE.
+
+  @retval EFI_INVALID_PARAMETER Language is NULL.
+
+  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
+                                managing the controller specified by
+                                ControllerHandle and ChildHandle.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This does not support
+                                the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoComponentNameGetControllerName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
+  IN  EFI_HANDLE                                      ControllerHandle,
+  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
+  IN  CHAR8                                           *Language,
+  OUT CHAR16                                          **ControllerName
+  )
+{
+  EFI_STATUS                      Status;
+
+  //
+  // This is a device driver, so ChildHandle must be NULL.
+  //
+  if (ChildHandle != NULL) {
+    return EFI_UNSUPPORTED;
+  }
+
+  //
+  // Make sure this driver is currently managing ControllHandle
+  //
+  Status = EfiTestManagedDevice (
+             ControllerHandle,
+             gQemuVideoDriverBinding.DriverBindingHandle,
+             &gEfiPciIoProtocolGuid
+             );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Get the QEMU Video's Device structure
+  //
+  return LookupUnicodeString2 (
+           Language,
+           This->SupportedLanguages,
+           mQemuVideoControllerNameTable,
+           ControllerName,
+           (BOOLEAN)(This == &gQemuVideoComponentName)
+           );
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Driver.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Driver.c
new file mode 100644
index 0000000000..e49e7a465c
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Driver.c
@@ -0,0 +1,1011 @@
+/** @file
+  This driver is a sample implementation of the Graphics Output Protocol for
+  the QEMU (Cirrus Logic 5446) video controller.
+
+  Copyright (c) 2006 - 2019 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "Qemu.h"
+#include <IndustryStandard/Acpi.h>
+
+EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding = {
+  QemuVideoControllerDriverSupported,
+  QemuVideoControllerDriverStart,
+  QemuVideoControllerDriverStop,
+  0x10,
+  NULL,
+  NULL
+};
+
+QEMU_VIDEO_CARD gQemuVideoCardList[] = {
+    {
+        PCI_CLASS_DISPLAY_VGA,
+        CIRRUS_LOGIC_VENDOR_ID,
+        CIRRUS_LOGIC_5430_DEVICE_ID,
+        QEMU_VIDEO_CIRRUS_5430,
+        L"Cirrus 5430"
+    },{
+        PCI_CLASS_DISPLAY_VGA,
+        CIRRUS_LOGIC_VENDOR_ID,
+        CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID,
+        QEMU_VIDEO_CIRRUS_5430,
+        L"Cirrus 5430"
+    },{
+        PCI_CLASS_DISPLAY_VGA,
+        CIRRUS_LOGIC_VENDOR_ID,
+        CIRRUS_LOGIC_5446_DEVICE_ID,
+        QEMU_VIDEO_CIRRUS_5446,
+        L"Cirrus 5446"
+    },{
+        PCI_CLASS_DISPLAY_VGA,
+        0x4321,
+        0x1111,
+        QEMU_VIDEO_BOCHS_MMIO,
+        L"QEMU Standard VGA"
+    },{
+        PCI_CLASS_DISPLAY_OTHER,
+        0x1234,
+        0x1111,
+        QEMU_VIDEO_BOCHS_MMIO,
+        L"QEMU Standard VGA (secondary)"
+    },{
+        PCI_CLASS_DISPLAY_VGA,
+        0x1b36,
+        0x0100,
+        QEMU_VIDEO_BOCHS,
+        L"QEMU QXL VGA"
+    },{
+        PCI_CLASS_DISPLAY_VGA,
+        0x1af4,
+        0x1050,
+        QEMU_VIDEO_BOCHS_MMIO,
+        L"QEMU VirtIO VGA"
+    },{
+        0 /* end of list */
+    }
+};
+
+static QEMU_VIDEO_CARD*
+QemuVideoDetect(
+  IN UINT8 SubClass,
+  IN UINT16 VendorId,
+  IN UINT16 DeviceId
+  )
+{
+  UINTN Index = 0;
+
+  while (gQemuVideoCardList[Index].VendorId != 0) {
+    if (gQemuVideoCardList[Index].SubClass == SubClass &&
+        gQemuVideoCardList[Index].VendorId == VendorId &&
+        gQemuVideoCardList[Index].DeviceId == DeviceId) {
+      return gQemuVideoCardList + Index;
+    }
+    Index++;
+  }
+  return NULL;
+}
+
+/**
+  Check if this device is supported.
+
+  @param  This                   The driver binding protocol.
+  @param  Controller             The controller handle to check.
+  @param  RemainingDevicePath    The remaining device path.
+
+  @retval EFI_SUCCESS            The bus supports this controller.
+  @retval EFI_UNSUPPORTED        This device isn't supported.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverSupported (
+  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
+  IN EFI_HANDLE                     Controller,
+  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
+  )
+{
+  EFI_STATUS          Status;
+  EFI_PCI_IO_PROTOCOL *PciIo;
+  PCI_TYPE00          Pci;
+  QEMU_VIDEO_CARD     *Card;
+
+  //
+  // Open the PCI I/O Protocol
+  //
+  Status = gBS->OpenProtocol (
+                  Controller,
+                  &gEfiPciIoProtocolGuid,
+                  (VOID **) &PciIo,
+                  This->DriverBindingHandle,
+                  Controller,
+                  EFI_OPEN_PROTOCOL_BY_DRIVER
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Read the PCI Configuration Header from the PCI Device
+  //
+  Status = PciIo->Pci.Read (
+                        PciIo,
+                        EfiPciIoWidthUint32,
+                        0,
+                        sizeof (Pci) / sizeof (UINT32),
+                        &Pci
+                        );
+  if (EFI_ERROR (Status)) {
+    goto Done;
+  }
+
+  Status = EFI_UNSUPPORTED;
+  if (!IS_PCI_DISPLAY (&Pci)) {
+    goto Done;
+  }
+  Card = QemuVideoDetect(Pci.Hdr.ClassCode[1], Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
+  if (Card != NULL) {
+    DEBUG ((EFI_D_INFO, "QemuVideo: %s detected\n", Card->Name));
+    Status = EFI_SUCCESS;
+  }
+
+Done:
+  //
+  // Close the PCI I/O Protocol
+  //
+  gBS->CloseProtocol (
+        Controller,
+        &gEfiPciIoProtocolGuid,
+        This->DriverBindingHandle,
+        Controller
+        );
+
+  return Status;
+}
+
+/**
+  Start to process the controller.
+
+  @param  This                   The USB bus driver binding instance.
+  @param  Controller             The controller to check.
+  @param  RemainingDevicePath    The remaining device patch.
+
+  @retval EFI_SUCCESS            The controller is controlled by the usb bus.
+  @retval EFI_ALREADY_STARTED    The controller is already controlled by the usb
+                                 bus.
+  @retval EFI_OUT_OF_RESOURCES   Failed to allocate resources.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverStart (
+  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
+  IN EFI_HANDLE                     Controller,
+  IN EFI_DEVICE_PATH_PROTOCOL       *RemainingDevicePath
+  )
+{
+  EFI_TPL                           OldTpl;
+  EFI_STATUS                        Status;
+  QEMU_VIDEO_PRIVATE_DATA           *Private;
+  BOOLEAN                           IsQxl;
+  EFI_DEVICE_PATH_PROTOCOL          *ParentDevicePath;
+  ACPI_ADR_DEVICE_PATH              AcpiDeviceNode;
+  PCI_TYPE00                        Pci;
+  QEMU_VIDEO_CARD                   *Card;
+  EFI_PCI_IO_PROTOCOL               *ChildPciIo;
+
+  OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+  //
+  // Allocate Private context data for GOP inteface.
+  //
+  Private = AllocateZeroPool (sizeof (QEMU_VIDEO_PRIVATE_DATA));
+  if (Private == NULL) {
+    Status = EFI_OUT_OF_RESOURCES;
+    goto RestoreTpl;
+  }
+
+  //
+  // Set up context record
+  //
+  Private->Signature  = QEMU_VIDEO_PRIVATE_DATA_SIGNATURE;
+
+  //
+  // Open PCI I/O Protocol
+  //
+  Status = gBS->OpenProtocol (
+                  Controller,
+                  &gEfiPciIoProtocolGuid,
+                  (VOID **) &Private->PciIo,
+                  This->DriverBindingHandle,
+                  Controller,
+                  EFI_OPEN_PROTOCOL_BY_DRIVER
+                  );
+  if (EFI_ERROR (Status)) {
+    goto FreePrivate;
+  }
+
+  //
+  // Read the PCI Configuration Header from the PCI Device
+  //
+  Status = Private->PciIo->Pci.Read (
+                        Private->PciIo,
+                        EfiPciIoWidthUint32,
+                        0,
+                        sizeof (Pci) / sizeof (UINT32),
+                        &Pci
+                        );
+  if (EFI_ERROR (Status)) {
+    goto ClosePciIo;
+  }
+
+  //
+  // Determine card variant.
+  //
+  Card = QemuVideoDetect(Pci.Hdr.ClassCode[1], Pci.Hdr.VendorId, Pci.Hdr.DeviceId);
+  if (Card == NULL) {
+    Status = EFI_DEVICE_ERROR;
+    goto ClosePciIo;
+  }
+  Private->Variant = Card->Variant;
+
+  //
+  // IsQxl is based on the detected Card->Variant, which at a later point might
+  // not match Private->Variant.
+  //
+  IsQxl = (BOOLEAN)(Card->Variant == QEMU_VIDEO_BOCHS);
+
+  //
+  // Save original PCI attributes
+  //
+  Status = Private->PciIo->Attributes (
+                    Private->PciIo,
+                    EfiPciIoAttributeOperationGet,
+                    0,
+                    &Private->OriginalPciAttributes
+                    );
+
+  if (EFI_ERROR (Status)) {
+    goto ClosePciIo;
+  }
+
+  //
+  // Set new PCI attributes
+  //
+  Status = Private->PciIo->Attributes (
+                            Private->PciIo,
+                            EfiPciIoAttributeOperationEnable,
+                            EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO,
+                            NULL
+                            );
+  if (EFI_ERROR (Status)) {
+    goto ClosePciIo;
+  }
+
+  //
+  // Check whenever the qemu stdvga mmio bar is present (qemu 1.3+).
+  //
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+    EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *MmioDesc;
+
+    Status = Private->PciIo->GetBarAttributes (
+                        Private->PciIo,
+                        PCI_BAR_IDX2,
+                        NULL,
+                        (VOID**) &MmioDesc
+                        );
+    if (EFI_ERROR (Status) ||
+        MmioDesc->ResType != ACPI_ADDRESS_SPACE_TYPE_MEM) {
+      DEBUG ((EFI_D_INFO, "QemuVideo: No mmio bar, fallback to port io\n"));
+      Private->Variant = QEMU_VIDEO_BOCHS;
+    } else {
+      DEBUG ((EFI_D_INFO, "QemuVideo: Using mmio bar @ 0x%lx\n",
+              MmioDesc->AddrRangeMin));
+    }
+
+    if (!EFI_ERROR (Status)) {
+      FreePool (MmioDesc);
+    }
+  }
+
+  //
+  // Check if accessing the bochs interface works.
+  //
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||
+      Private->Variant == QEMU_VIDEO_BOCHS) {
+    UINT16 BochsId;
+    BochsId = BochsRead(Private, VBE_DISPI_INDEX_ID);
+    if ((BochsId & 0xFFF0) != VBE_DISPI_ID0) {
+      DEBUG ((EFI_D_INFO, "QemuVideo: BochsID mismatch (got 0x%x)\n", BochsId));
+      Status = EFI_DEVICE_ERROR;
+      goto RestoreAttributes;
+    }
+  }
+
+  //
+  // Get ParentDevicePath
+  //
+  Status = gBS->HandleProtocol (
+                  Controller,
+                  &gEfiDevicePathProtocolGuid,
+                  (VOID **) &ParentDevicePath
+                  );
+  if (EFI_ERROR (Status)) {
+    goto RestoreAttributes;
+  }
+
+  //
+  // Set Gop Device Path
+  //
+  ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));
+  AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;
+  AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;
+  AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);
+  SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));
+
+  Private->GopDevicePath = AppendDevicePathNode (
+                                      ParentDevicePath,
+                                      (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode
+                                      );
+  if (Private->GopDevicePath == NULL) {
+    Status = EFI_OUT_OF_RESOURCES;
+    goto RestoreAttributes;
+  }
+
+  //
+  // Create new child handle and install the device path protocol on it.
+  //
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &Private->Handle,
+                  &gEfiDevicePathProtocolGuid,
+                  Private->GopDevicePath,
+                  NULL
+                  );
+  if (EFI_ERROR (Status)) {
+    goto FreeGopDevicePath;
+  }
+
+  //
+  // Construct video mode buffer
+  //
+  switch (Private->Variant) {
+  case QEMU_VIDEO_CIRRUS_5430:
+  case QEMU_VIDEO_CIRRUS_5446:
+    Status = QemuVideoCirrusModeSetup (Private);
+    break;
+  case QEMU_VIDEO_BOCHS_MMIO:
+  case QEMU_VIDEO_BOCHS:
+    Status = QemuVideoBochsModeSetup (Private, IsQxl);
+    break;
+  default:
+    ASSERT (FALSE);
+    Status = EFI_DEVICE_ERROR;
+    break;
+  }
+  if (EFI_ERROR (Status)) {
+    goto UninstallGopDevicePath;
+  }
+
+  //
+  // Start the GOP software stack.
+  //
+  Status = QemuVideoGraphicsOutputConstructor (Private);
+  if (EFI_ERROR (Status)) {
+    goto FreeModeData;
+  }
+
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &Private->Handle,
+                  &gEfiGraphicsOutputProtocolGuid,
+                  &Private->GraphicsOutput,
+                  NULL
+                  );
+  if (EFI_ERROR (Status)) {
+    goto DestructQemuVideoGraphics;
+  }
+
+  //
+  // Reference parent handle from child handle.
+  //
+  Status = gBS->OpenProtocol (
+                Controller,
+                &gEfiPciIoProtocolGuid,
+                (VOID **) &ChildPciIo,
+                This->DriverBindingHandle,
+                Private->Handle,
+                EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+                );
+  if (EFI_ERROR (Status)) {
+    goto UninstallGop;
+  }
+
+#if defined MDE_CPU_IA32 || defined MDE_CPU_X64
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO ||
+      Private->Variant == QEMU_VIDEO_BOCHS) {
+    InstallVbeShim (Card->Name, Private->GraphicsOutput.Mode->FrameBufferBase);
+  }
+#endif
+
+  gBS->RestoreTPL (OldTpl);
+  return EFI_SUCCESS;
+
+UninstallGop:
+  gBS->UninstallProtocolInterface (Private->Handle,
+         &gEfiGraphicsOutputProtocolGuid, &Private->GraphicsOutput);
+
+DestructQemuVideoGraphics:
+  QemuVideoGraphicsOutputDestructor (Private);
+
+FreeModeData:
+  FreePool (Private->ModeData);
+
+UninstallGopDevicePath:
+  gBS->UninstallProtocolInterface (Private->Handle,
+         &gEfiDevicePathProtocolGuid, Private->GopDevicePath);
+
+FreeGopDevicePath:
+  FreePool (Private->GopDevicePath);
+
+RestoreAttributes:
+  Private->PciIo->Attributes (Private->PciIo, EfiPciIoAttributeOperationSet,
+                    Private->OriginalPciAttributes, NULL);
+
+ClosePciIo:
+  gBS->CloseProtocol (Controller, &gEfiPciIoProtocolGuid,
+         This->DriverBindingHandle, Controller);
+
+FreePrivate:
+  FreePool (Private);
+
+RestoreTpl:
+  gBS->RestoreTPL (OldTpl);
+
+  return Status;
+}
+
+/**
+  Stop this device
+
+  @param  This                   The USB bus driver binding protocol.
+  @param  Controller             The controller to release.
+  @param  NumberOfChildren       The number of children of this device that
+                                 opened the controller BY_CHILD.
+  @param  ChildHandleBuffer      The array of child handle.
+
+  @retval EFI_SUCCESS            The controller or children are stopped.
+  @retval EFI_DEVICE_ERROR       Failed to stop the driver.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverStop (
+  IN EFI_DRIVER_BINDING_PROTOCOL    *This,
+  IN EFI_HANDLE                     Controller,
+  IN UINTN                          NumberOfChildren,
+  IN EFI_HANDLE                     *ChildHandleBuffer
+  )
+{
+  EFI_GRAPHICS_OUTPUT_PROTOCOL    *GraphicsOutput;
+
+  EFI_STATUS                      Status;
+  QEMU_VIDEO_PRIVATE_DATA  *Private;
+
+  if (NumberOfChildren == 0) {
+    //
+    // Close the PCI I/O Protocol
+    //
+    gBS->CloseProtocol (
+          Controller,
+          &gEfiPciIoProtocolGuid,
+          This->DriverBindingHandle,
+          Controller
+          );
+    return EFI_SUCCESS;
+  }
+
+  //
+  // free all resources for whose access we need the child handle, because the
+  // child handle is going away
+  //
+  ASSERT (NumberOfChildren == 1);
+  Status = gBS->OpenProtocol (
+                  ChildHandleBuffer[0],
+                  &gEfiGraphicsOutputProtocolGuid,
+                  (VOID **) &GraphicsOutput,
+                  This->DriverBindingHandle,
+                  Controller,
+                  EFI_OPEN_PROTOCOL_GET_PROTOCOL
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Get our private context information
+  //
+  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);
+  ASSERT (Private->Handle == ChildHandleBuffer[0]);
+
+  QemuVideoGraphicsOutputDestructor (Private);
+  //
+  // Remove the GOP protocol interface from the system
+  //
+  Status = gBS->UninstallMultipleProtocolInterfaces (
+                  Private->Handle,
+                  &gEfiGraphicsOutputProtocolGuid,
+                  &Private->GraphicsOutput,
+                  NULL
+                  );
+
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  //
+  // Restore original PCI attributes
+  //
+  Private->PciIo->Attributes (
+                  Private->PciIo,
+                  EfiPciIoAttributeOperationSet,
+                  Private->OriginalPciAttributes,
+                  NULL
+                  );
+
+  gBS->CloseProtocol (
+        Controller,
+        &gEfiPciIoProtocolGuid,
+        This->DriverBindingHandle,
+        Private->Handle
+        );
+
+  FreePool (Private->ModeData);
+  gBS->UninstallProtocolInterface (Private->Handle,
+         &gEfiDevicePathProtocolGuid, Private->GopDevicePath);
+  FreePool (Private->GopDevicePath);
+
+  //
+  // Free our instance data
+  //
+  gBS->FreePool (Private);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  Address TODO: add argument description
+  @param  Data TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+outb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address,
+  UINT8                           Data
+  )
+{
+  EFI_STATUS          Status;
+  VOID                *Interface;
+  Private->PciIo->Io.Write (
+                      Private->PciIo,
+                      EfiPciIoWidthUint8,
+                      EFI_PCI_IO_PASS_THROUGH_BAR,
+                      Address,
+                      1,
+                      &Data
+                      );
+  Status = gBS->LocateProtocol(&gEfiDxeSmmReadyToLockProtocolGuid, NULL, &Interface);
+  if (!EFI_ERROR(Status)) {
+    return;
+  }
+
+  Status = S3BootScriptSaveIoWrite(
+      S3BootScriptWidthUint8,
+      Address,
+      (UINTN)1,
+      &Data
+  );
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  Address TODO: add argument description
+  @param  Data TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+outw (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address,
+  UINT16                          Data
+  )
+{
+  EFI_STATUS          Status;
+  VOID                *Interface;
+
+  Private->PciIo->Io.Write (
+                      Private->PciIo,
+                      EfiPciIoWidthUint16,
+                      EFI_PCI_IO_PASS_THROUGH_BAR,
+                      Address,
+                      1,
+                      &Data
+                      );
+
+  Status = gBS->LocateProtocol(&gEfiDxeSmmReadyToLockProtocolGuid, NULL, &Interface);
+  if (!EFI_ERROR(Status)) {
+    return;
+  }
+  Status = S3BootScriptSaveIoWrite(
+      S3BootScriptWidthUint16,
+      Address,
+      1,
+      &Data
+  );
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  Address TODO: add argument description
+
+  TODO: add return values
+
+**/
+UINT8
+inb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address
+  )
+{
+  UINT8 Data;
+
+  Private->PciIo->Io.Read (
+                      Private->PciIo,
+                      EfiPciIoWidthUint8,
+                      EFI_PCI_IO_PASS_THROUGH_BAR,
+                      Address,
+                      1,
+                      &Data
+                      );
+  return Data;
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  Address TODO: add argument description
+
+  TODO: add return values
+
+**/
+UINT16
+inw (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address
+  )
+{
+  UINT16  Data;
+
+  Private->PciIo->Io.Read (
+                      Private->PciIo,
+                      EfiPciIoWidthUint16,
+                      EFI_PCI_IO_PASS_THROUGH_BAR,
+                      Address,
+                      1,
+                      &Data
+                      );
+  return Data;
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  Index TODO: add argument description
+  @param  Red TODO: add argument description
+  @param  Green TODO: add argument description
+  @param  Blue TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+SetPaletteColor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Index,
+  UINT8                           Red,
+  UINT8                           Green,
+  UINT8                           Blue
+  )
+{
+  VgaOutb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);
+  VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));
+  VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));
+  VgaOutb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+SetDefaultPalette (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  )
+{
+  UINTN Index;
+  UINTN RedIndex;
+  UINTN GreenIndex;
+  UINTN BlueIndex;
+
+  Index = 0;
+  for (RedIndex = 0; RedIndex < 8; RedIndex++) {
+    for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {
+      for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {
+        SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));
+        Index++;
+      }
+    }
+  }
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+ClearScreen (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  )
+{
+  UINT32  Color;
+
+  Color = 0;
+  Private->PciIo->Mem.Write (
+                        Private->PciIo,
+                        EfiPciIoWidthFillUint32,
+                        0,
+                        0,
+                        0x400000 >> 2,
+                        &Color
+                        );
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+DrawLogo (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           ScreenWidth,
+  UINTN                           ScreenHeight
+  )
+{
+}
+
+/**
+  TODO: Add function description
+
+  @param  Private TODO: add argument description
+  @param  ModeData TODO: add argument description
+
+  TODO: add return values
+
+**/
+VOID
+InitializeCirrusGraphicsMode (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  QEMU_VIDEO_CIRRUS_MODES  *ModeData
+  )
+{
+  UINT8 Byte;
+  UINTN Index;
+
+  outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);
+  outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);
+
+  for (Index = 0; Index < 15; Index++) {
+    outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);
+  }
+
+  if (Private->Variant == QEMU_VIDEO_CIRRUS_5430) {
+    outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);
+    Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);
+    outb (Private, SEQ_DATA_REGISTER, Byte);
+  }
+
+  outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);
+  outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);
+  outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);
+  outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);
+
+  for (Index = 0; Index < 28; Index++) {
+    outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));
+  }
+
+  for (Index = 0; Index < 9; Index++) {
+    outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));
+  }
+
+  inb (Private, INPUT_STATUS_1_REGISTER);
+
+  for (Index = 0; Index < 21; Index++) {
+    outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);
+    outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);
+  }
+
+  outb (Private, ATT_ADDRESS_REGISTER, 0x20);
+
+  outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);
+  outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);
+  outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);
+  outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);
+
+  SetDefaultPalette (Private);
+  ClearScreen (Private);
+}
+
+VOID
+BochsWrite (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINT16                   Reg,
+  UINT16                   Data
+  )
+{
+  EFI_STATUS   Status;
+
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+    Status = Private->PciIo->Mem.Write (
+        Private->PciIo,
+        EfiPciIoWidthUint16,
+        PCI_BAR_IDX2,
+        0x500 + (Reg << 1),
+        1,
+        &Data
+        );
+    ASSERT_EFI_ERROR (Status);
+  } else {
+    outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);
+    outw (Private, VBE_DISPI_IOPORT_DATA,  Data);
+  }
+}
+
+UINT16
+BochsRead (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINT16                   Reg
+  )
+{
+  EFI_STATUS   Status;
+  UINT16       Data;
+
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+    Status = Private->PciIo->Mem.Read (
+        Private->PciIo,
+        EfiPciIoWidthUint16,
+        PCI_BAR_IDX2,
+        0x500 + (Reg << 1),
+        1,
+        &Data
+        );
+    ASSERT_EFI_ERROR (Status);
+  } else {
+    outw (Private, VBE_DISPI_IOPORT_INDEX, Reg);
+    Data = inw (Private, VBE_DISPI_IOPORT_DATA);
+  }
+  return Data;
+}
+
+VOID
+VgaOutb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                    Reg,
+  UINT8                    Data
+  )
+{
+  EFI_STATUS   Status;
+
+  if (Private->Variant == QEMU_VIDEO_BOCHS_MMIO) {
+    Status = Private->PciIo->Mem.Write (
+        Private->PciIo,
+        EfiPciIoWidthUint8,
+        PCI_BAR_IDX2,
+        0x400 - 0x3c0 + Reg,
+        1,
+        &Data
+        );
+    ASSERT_EFI_ERROR (Status);
+  } else {
+    outb (Private, Reg, Data);
+  }
+}
+
+VOID
+InitializeBochsGraphicsMode (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  QEMU_VIDEO_BOCHS_MODES  *ModeData
+  )
+{
+  DEBUG ((EFI_D_INFO, "InitializeBochsGraphicsMode: %dx%d @ %d\n",
+          ModeData->Width, ModeData->Height, ModeData->ColorDepth));
+
+  /* unblank */
+  VgaOutb (Private, ATT_ADDRESS_REGISTER, 0x20);
+
+  BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,      0);
+  BochsWrite (Private, VBE_DISPI_INDEX_BANK,        0);
+  BochsWrite (Private, VBE_DISPI_INDEX_X_OFFSET,    0);
+  BochsWrite (Private, VBE_DISPI_INDEX_Y_OFFSET,    0);
+
+  BochsWrite (Private, VBE_DISPI_INDEX_BPP,         (UINT16) ModeData->ColorDepth);
+  BochsWrite (Private, VBE_DISPI_INDEX_XRES,        (UINT16) ModeData->Width);
+  BochsWrite (Private, VBE_DISPI_INDEX_VIRT_WIDTH,  (UINT16) ModeData->Width);
+  BochsWrite (Private, VBE_DISPI_INDEX_YRES,        (UINT16) ModeData->Height);
+  BochsWrite (Private, VBE_DISPI_INDEX_VIRT_HEIGHT, (UINT16) ModeData->Height);
+
+  BochsWrite (Private, VBE_DISPI_INDEX_ENABLE,
+              VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
+
+  SetDefaultPalette (Private);
+  ClearScreen (Private);
+}
+
+EFI_STATUS
+EFIAPI
+InitializeQemuVideo (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_SYSTEM_TABLE     *SystemTable
+  )
+{
+  EFI_STATUS              Status;
+
+  Status = EfiLibInstallDriverBindingComponentName2 (
+             ImageHandle,
+             SystemTable,
+             &gQemuVideoDriverBinding,
+             ImageHandle,
+             &gQemuVideoComponentName,
+             &gQemuVideoComponentName2
+             );
+  ASSERT_EFI_ERROR (Status);
+
+  //
+  // Install EFI Driver Supported EFI Version Protocol required for
+  // EFI drivers that are on PCI and other plug in cards.
+  //
+  gQemuVideoDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);
+  Status = gBS->InstallMultipleProtocolInterfaces (
+                  &ImageHandle,
+                  &gEfiDriverSupportedEfiVersionProtocolGuid,
+                  &gQemuVideoDriverSupportedEfiVersion,
+                  NULL
+                  );
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/DriverSupportedEfiVersion.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/DriverSupportedEfiVersion.c
new file mode 100644
index 0000000000..c2d82e7324
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/DriverSupportedEfiVersion.c
@@ -0,0 +1,15 @@
+/** @file
+  Driver supported version protocol for the QEMU video driver.
+
+  Copyright (c) 2007 - 2010 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "Qemu.h"
+
+EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL gQemuVideoDriverSupportedEfiVersion = {
+  sizeof (EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL), // Size of Protocol structure.
+  0                                                   // Version number to be filled at start up.
+};
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Gop.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Gop.c
new file mode 100644
index 0000000000..19ff5209d2
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Gop.c
@@ -0,0 +1,417 @@
+/** @file
+  Graphics Output Protocol functions for the QEMU video controller.
+
+  Copyright (c) 2007 - 2018 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "Qemu.h"
+
+STATIC
+VOID
+QemuVideoCompleteModeInfo (
+  IN  QEMU_VIDEO_MODE_DATA           *ModeData,
+  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info
+  )
+{
+  Info->Version = 0;
+  if (ModeData->ColorDepth == 8) {
+    Info->PixelFormat = PixelBitMask;
+    Info->PixelInformation.RedMask = PIXEL_RED_MASK;
+    Info->PixelInformation.GreenMask = PIXEL_GREEN_MASK;
+    Info->PixelInformation.BlueMask = PIXEL_BLUE_MASK;
+    Info->PixelInformation.ReservedMask = 0;
+  } else if (ModeData->ColorDepth == 24) {
+    Info->PixelFormat = PixelBitMask;
+    Info->PixelInformation.RedMask = PIXEL24_RED_MASK;
+    Info->PixelInformation.GreenMask = PIXEL24_GREEN_MASK;
+    Info->PixelInformation.BlueMask = PIXEL24_BLUE_MASK;
+    Info->PixelInformation.ReservedMask = 0;
+  } else if (ModeData->ColorDepth == 32) {
+    DEBUG ((EFI_D_INFO, "PixelBlueGreenRedReserved8BitPerColor\n"));
+    Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
+  }
+  Info->PixelsPerScanLine = Info->HorizontalResolution;
+}
+
+
+STATIC
+EFI_STATUS
+QemuVideoCompleteModeData (
+  IN  QEMU_VIDEO_PRIVATE_DATA           *Private,
+  OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
+  )
+{
+  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  *Info;
+  EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR     *FrameBufDesc;
+  QEMU_VIDEO_MODE_DATA           *ModeData;
+
+  ModeData = &Private->ModeData[Mode->Mode];
+  Info = Mode->Info;
+  QemuVideoCompleteModeInfo (ModeData, Info);
+
+  Private->PciIo->GetBarAttributes (
+                        Private->PciIo,
+                        0,
+                        NULL,
+                        (VOID**) &FrameBufDesc
+                        );
+
+  Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
+  Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution;
+  Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8);
+  Mode->FrameBufferSize = EFI_PAGES_TO_SIZE (
+                            EFI_SIZE_TO_PAGES (Mode->FrameBufferSize)
+                            );
+  DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n",
+    Mode->FrameBufferBase, (UINT64)Mode->FrameBufferSize));
+
+  FreePool (FrameBufDesc);
+  return EFI_SUCCESS;
+}
+
+//
+// Graphics Output Protocol Member Functions
+//
+EFI_STATUS
+EFIAPI
+QemuVideoGraphicsOutputQueryMode (
+  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,
+  IN  UINT32                                ModeNumber,
+  OUT UINTN                                 *SizeOfInfo,
+  OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION  **Info
+  )
+/*++
+
+Routine Description:
+
+  Graphics Output protocol interface to query video mode
+
+  Arguments:
+    This                  - Protocol instance pointer.
+    ModeNumber            - The mode number to return information on.
+    Info                  - Caller allocated buffer that returns information about ModeNumber.
+    SizeOfInfo            - A pointer to the size, in bytes, of the Info buffer.
+
+  Returns:
+    EFI_SUCCESS           - Mode information returned.
+    EFI_BUFFER_TOO_SMALL  - The Info buffer was too small.
+    EFI_DEVICE_ERROR      - A hardware error occurred trying to retrieve the video mode.
+    EFI_NOT_STARTED       - Video display is not initialized. Call SetMode ()
+    EFI_INVALID_PARAMETER - One of the input args was NULL.
+
+--*/
+{
+  QEMU_VIDEO_PRIVATE_DATA  *Private;
+  QEMU_VIDEO_MODE_DATA     *ModeData;
+
+  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+  if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
+  if (*Info == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+  ModeData = &Private->ModeData[ModeNumber];
+  (*Info)->HorizontalResolution = ModeData->HorizontalResolution;
+  (*Info)->VerticalResolution   = ModeData->VerticalResolution;
+  QemuVideoCompleteModeInfo (ModeData, *Info);
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+QemuVideoGraphicsOutputSetMode (
+  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
+  IN  UINT32                       ModeNumber
+  )
+/*++
+
+Routine Description:
+
+  Graphics Output protocol interface to set video mode
+
+  Arguments:
+    This             - Protocol instance pointer.
+    ModeNumber       - The mode number to be set.
+
+  Returns:
+    EFI_SUCCESS      - Graphics mode was changed.
+    EFI_DEVICE_ERROR - The device had an error and could not complete the request.
+    EFI_UNSUPPORTED  - ModeNumber is not supported by this device.
+
+--*/
+{
+  QEMU_VIDEO_PRIVATE_DATA       *Private;
+  QEMU_VIDEO_MODE_DATA          *ModeData;
+  RETURN_STATUS                 Status;
+  EFI_GRAPHICS_OUTPUT_BLT_PIXEL Black;
+
+  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
+
+  if (ModeNumber >= This->Mode->MaxMode) {
+    return EFI_UNSUPPORTED;
+  }
+
+  ModeData = &Private->ModeData[ModeNumber];
+
+  switch (Private->Variant) {
+  case QEMU_VIDEO_CIRRUS_5430:
+  case QEMU_VIDEO_CIRRUS_5446:
+    InitializeCirrusGraphicsMode (Private, &QemuVideoCirrusModes[ModeData->InternalModeIndex]);
+    break;
+  case QEMU_VIDEO_BOCHS_MMIO:
+  case QEMU_VIDEO_BOCHS:
+    InitializeBochsGraphicsMode (Private, &QemuVideoBochsModes[ModeData->InternalModeIndex]);
+    break;
+  default:
+    ASSERT (FALSE);
+    return EFI_DEVICE_ERROR;
+  }
+
+  This->Mode->Mode = ModeNumber;
+  This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
+  This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
+  This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
+
+  QemuVideoCompleteModeData (Private, This->Mode);
+
+  //
+  // Re-initialize the frame buffer configure when mode changes.
+  //
+  Status = FrameBufferBltConfigure (
+             (VOID*) (UINTN) This->Mode->FrameBufferBase,
+             This->Mode->Info,
+             Private->FrameBufferBltConfigure,
+             &Private->FrameBufferBltConfigureSize
+             );
+  if (Status == RETURN_BUFFER_TOO_SMALL) {
+    //
+    // Frame buffer configure may be larger in new mode.
+    //
+    if (Private->FrameBufferBltConfigure != NULL) {
+      FreePool (Private->FrameBufferBltConfigure);
+    }
+    Private->FrameBufferBltConfigure =
+      AllocatePool (Private->FrameBufferBltConfigureSize);
+    ASSERT (Private->FrameBufferBltConfigure != NULL);
+
+    //
+    // Create the configuration for FrameBufferBltLib
+    //
+    Status = FrameBufferBltConfigure (
+                (VOID*) (UINTN) This->Mode->FrameBufferBase,
+                This->Mode->Info,
+                Private->FrameBufferBltConfigure,
+                &Private->FrameBufferBltConfigureSize
+                );
+  }
+  ASSERT (Status == RETURN_SUCCESS);
+
+  //
+  // Per UEFI Spec, need to clear the visible portions of the output display to black.
+  //
+  ZeroMem (&Black, sizeof (Black));
+  Status = FrameBufferBlt (
+             Private->FrameBufferBltConfigure,
+             &Black,
+             EfiBltVideoFill,
+             0, 0,
+             0, 0,
+             This->Mode->Info->HorizontalResolution, This->Mode->Info->VerticalResolution,
+             0
+             );
+  ASSERT_RETURN_ERROR (Status);
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+EFIAPI
+QemuVideoGraphicsOutputBlt (
+  IN  EFI_GRAPHICS_OUTPUT_PROTOCOL          *This,
+  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer, OPTIONAL
+  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION     BltOperation,
+  IN  UINTN                                 SourceX,
+  IN  UINTN                                 SourceY,
+  IN  UINTN                                 DestinationX,
+  IN  UINTN                                 DestinationY,
+  IN  UINTN                                 Width,
+  IN  UINTN                                 Height,
+  IN  UINTN                                 Delta
+  )
+/*++
+
+Routine Description:
+
+  Graphics Output protocol instance to block transfer for CirrusLogic device
+
+Arguments:
+
+  This          - Pointer to Graphics Output protocol instance
+  BltBuffer     - The data to transfer to screen
+  BltOperation  - The operation to perform
+  SourceX       - The X coordinate of the source for BltOperation
+  SourceY       - The Y coordinate of the source for BltOperation
+  DestinationX  - The X coordinate of the destination for BltOperation
+  DestinationY  - The Y coordinate of the destination for BltOperation
+  Width         - The width of a rectangle in the blt rectangle in pixels
+  Height        - The height of a rectangle in the blt rectangle in pixels
+  Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
+                  If a Delta of 0 is used, the entire BltBuffer will be operated on.
+                  If a subrectangle of the BltBuffer is used, then Delta represents
+                  the number of bytes in a row of the BltBuffer.
+
+Returns:
+
+  EFI_INVALID_PARAMETER - Invalid parameter passed in
+  EFI_SUCCESS - Blt operation success
+
+--*/
+{
+  EFI_STATUS                      Status;
+  EFI_TPL                         OriginalTPL;
+  QEMU_VIDEO_PRIVATE_DATA         *Private;
+
+  Private = QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
+  //
+  // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
+  // We would not want a timer based event (Cursor, ...) to come in while we are
+  // doing this operation.
+  //
+  OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
+
+  switch (BltOperation) {
+  case EfiBltVideoToBltBuffer:
+  case EfiBltBufferToVideo:
+  case EfiBltVideoFill:
+  case EfiBltVideoToVideo:
+    Status = FrameBufferBlt (
+      Private->FrameBufferBltConfigure,
+      BltBuffer,
+      BltOperation,
+      SourceX,
+      SourceY,
+      DestinationX,
+      DestinationY,
+      Width,
+      Height,
+      Delta
+      );
+    break;
+
+  default:
+    Status = EFI_INVALID_PARAMETER;
+    break;
+  }
+
+  gBS->RestoreTPL (OriginalTPL);
+
+  return Status;
+}
+
+EFI_STATUS
+QemuVideoGraphicsOutputConstructor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  )
+{
+  EFI_STATUS                   Status;
+  EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+
+
+  GraphicsOutput            = &Private->GraphicsOutput;
+  GraphicsOutput->QueryMode = QemuVideoGraphicsOutputQueryMode;
+  GraphicsOutput->SetMode   = QemuVideoGraphicsOutputSetMode;
+  GraphicsOutput->Blt       = QemuVideoGraphicsOutputBlt;
+
+  //
+  // Initialize the private data
+  //
+  Status = gBS->AllocatePool (
+                  EfiBootServicesData,
+                  sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
+                  (VOID **) &Private->GraphicsOutput.Mode
+                  );
+  if (EFI_ERROR (Status)) {
+    return Status;
+  }
+
+  Status = gBS->AllocatePool (
+                  EfiBootServicesData,
+                  sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
+                  (VOID **) &Private->GraphicsOutput.Mode->Info
+                  );
+  if (EFI_ERROR (Status)) {
+    goto FreeMode;
+  }
+  Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
+  Private->GraphicsOutput.Mode->Mode    = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
+  Private->FrameBufferBltConfigure      = NULL;
+  Private->FrameBufferBltConfigureSize  = 0;
+
+  //
+  // Initialize the hardware
+  //
+  Status = GraphicsOutput->SetMode (GraphicsOutput, 0);
+  if (EFI_ERROR (Status)) {
+    goto FreeInfo;
+  }
+
+  DrawLogo (
+    Private,
+    Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
+    Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
+    );
+
+  return EFI_SUCCESS;
+
+FreeInfo:
+  FreePool (Private->GraphicsOutput.Mode->Info);
+
+FreeMode:
+  FreePool (Private->GraphicsOutput.Mode);
+  Private->GraphicsOutput.Mode = NULL;
+
+  return Status;
+}
+
+EFI_STATUS
+QemuVideoGraphicsOutputDestructor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  )
+/*++
+
+Routine Description:
+
+Arguments:
+
+Returns:
+
+  None
+
+--*/
+{
+  if (Private->FrameBufferBltConfigure != NULL) {
+    FreePool (Private->FrameBufferBltConfigure);
+  }
+
+  if (Private->GraphicsOutput.Mode != NULL) {
+    if (Private->GraphicsOutput.Mode->Info != NULL) {
+      gBS->FreePool (Private->GraphicsOutput.Mode->Info);
+    }
+    gBS->FreePool (Private->GraphicsOutput.Mode);
+  }
+
+  return EFI_SUCCESS;
+}
+
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Initialize.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Initialize.c
new file mode 100644
index 0000000000..fbf40e9eaf
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Initialize.c
@@ -0,0 +1,341 @@
+/** @file
+  Graphics Output Protocol functions for the QEMU video controller.
+
+  Copyright (c) 2007 - 2010 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "Qemu.h"
+
+
+///
+/// Generic Attribute Controller Register Settings
+///
+UINT8  AttributeController[21] = {
+  0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+  0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+  0x41, 0x00, 0x0F, 0x00, 0x00
+};
+
+///
+/// Generic Graphics Controller Register Settings
+///
+UINT8 GraphicsController[9] = {
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF
+};
+
+//
+// 640 x 480 x 256 color @ 60 Hertz
+//
+UINT8 Crtc_640_480_256_60[28] = {
+  0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
+  0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
+  0xff, 0x00, 0x00, 0x22
+};
+
+UINT8 Crtc_640_480_32bpp_60[28] = {
+  0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
+  0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0xe1, 0x83, 0xdf, 0x40, 0x00, 0xe7, 0x04, 0xe3,
+  0xff, 0x00, 0x00, 0x32
+};
+
+UINT16 Seq_640_480_256_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
+};
+
+UINT16 Seq_640_480_32bpp_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
+};
+
+//
+// 800 x 600 x 256 color @ 60 Hertz
+//
+UINT8 Crtc_800_600_256_60[28] = {
+  0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
+  0xFF, 0x00, 0x00, 0x22
+};
+
+UINT8 Crtc_800_600_32bpp_60[28] = {
+  0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x58, 0x8C, 0x57, 0x90, 0x00, 0x5F, 0x91, 0xE3,
+  0xFF, 0x00, 0x00, 0x32
+};
+
+UINT16 Seq_800_600_256_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
+};
+
+UINT16 Seq_800_600_32bpp_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
+};
+
+UINT8 Crtc_960_720_32bpp_60[28] = {
+  0xA3, 0x77, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x02, 0x88, 0xCF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
+  0xFF, 0x4A, 0x00, 0x32
+};
+
+UINT16 Seq_960_720_32bpp_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
+};
+
+//
+// 1024 x 768 x 256 color @ 60 Hertz
+//
+UINT8 Crtc_1024_768_256_60[28] = {
+  0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
+  0xFF, 0x4A, 0x00, 0x22
+};
+
+UINT16 Seq_1024_768_256_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
+};
+
+//
+// 1024 x 768 x 24-bit color @ 60 Hertz
+//
+UINT8 Crtc_1024_768_24bpp_60[28] = {
+  0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
+  0xFF, 0x4A, 0x00, 0x32
+};
+
+UINT16 Seq_1024_768_24bpp_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1507, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
+};
+
+UINT8 Crtc_1024_768_32bpp_60[28] = {
+  0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
+  0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x02, 0x88, 0xFF, 0xe0, 0x00, 0x00, 0x64, 0xE3,
+  0xFF, 0x4A, 0x00, 0x32
+};
+
+UINT16 Seq_1024_768_32bpp_60[15] = {
+  0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1907, 0x0008, 0x4a0b,
+  0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
+};
+
+///
+/// Table of supported video modes
+///
+QEMU_VIDEO_CIRRUS_MODES  QemuVideoCirrusModes[] = {
+//  {  640, 480, 8, Crtc_640_480_256_60,  Seq_640_480_256_60,  0xe3 },
+//  {  800, 600, 8, Crtc_800_600_256_60,  Seq_800_600_256_60,  0xef },
+  {  640, 480, 32, Crtc_640_480_32bpp_60,  Seq_640_480_32bpp_60,  0xef },
+  {  800, 600, 32, Crtc_800_600_32bpp_60,  Seq_800_600_32bpp_60,  0xef },
+//  { 1024, 768, 8, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
+  { 1024, 768, 24, Crtc_1024_768_24bpp_60, Seq_1024_768_24bpp_60, 0xef }
+//  { 1024, 768, 32, Crtc_1024_768_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
+//  { 960, 720, 32, Crtc_960_720_32bpp_60, Seq_1024_768_32bpp_60, 0xef }
+};
+
+#define QEMU_VIDEO_CIRRUS_MODE_COUNT \
+  (ARRAY_SIZE (QemuVideoCirrusModes))
+
+/**
+  Construct the valid video modes for QemuVideo.
+
+**/
+EFI_STATUS
+QemuVideoCirrusModeSetup (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  )
+{
+  UINT32                                 Index;
+  QEMU_VIDEO_MODE_DATA                   *ModeData;
+  QEMU_VIDEO_CIRRUS_MODES                *VideoMode;
+
+  //
+  // Setup Video Modes
+  //
+  Private->ModeData = AllocatePool (
+                        sizeof (Private->ModeData[0]) * QEMU_VIDEO_CIRRUS_MODE_COUNT
+                        );
+  if (Private->ModeData == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+  ModeData = Private->ModeData;
+  VideoMode = &QemuVideoCirrusModes[0];
+  for (Index = 0; Index < QEMU_VIDEO_CIRRUS_MODE_COUNT; Index ++) {
+    ModeData->InternalModeIndex = Index;
+    ModeData->HorizontalResolution          = VideoMode->Width;
+    ModeData->VerticalResolution            = VideoMode->Height;
+    ModeData->ColorDepth                    = VideoMode->ColorDepth;
+    DEBUG ((EFI_D_INFO,
+      "Adding Mode %d as Cirrus Internal Mode %d: %dx%d, %d-bit\n",
+      (INT32) (ModeData - Private->ModeData),
+      ModeData->InternalModeIndex,
+      ModeData->HorizontalResolution,
+      ModeData->VerticalResolution,
+      ModeData->ColorDepth
+      ));
+
+    ModeData ++ ;
+    VideoMode ++;
+  }
+  Private->MaxMode = ModeData - Private->ModeData;
+
+  return EFI_SUCCESS;
+}
+
+///
+/// Table of supported video modes
+///
+QEMU_VIDEO_BOCHS_MODES  QemuVideoBochsModes[] = {
+  {  640,  480, 32 },
+  {  800,  480, 32 },
+  {  800,  600, 32 },
+  {  832,  624, 32 },
+  {  960,  640, 32 },
+  { 1024,  600, 32 },
+  { 1024,  768, 32 },
+  { 1152,  864, 32 },
+  { 1152,  870, 32 },
+  { 1280,  720, 32 },
+  { 1280,  760, 32 },
+  { 1280,  768, 32 },
+  { 1280,  800, 32 },
+  { 1280,  960, 32 },
+  { 1280, 1024, 32 },
+  { 1360,  768, 32 },
+  { 1366,  768, 32 },
+  { 1400, 1050, 32 },
+  { 1440,  900, 32 },
+  { 1600,  900, 32 },
+  { 1600, 1200, 32 },
+  { 1680, 1050, 32 },
+  { 1920, 1080, 32 },
+  { 1920, 1200, 32 },
+  { 1920, 1440, 32 },
+  { 2000, 2000, 32 },
+  { 2048, 1536, 32 },
+  { 2048, 2048, 32 },
+  { 2560, 1440, 32 },
+  { 2560, 1600, 32 },
+  { 2560, 2048, 32 },
+  { 2800, 2100, 32 },
+  { 3200, 2400, 32 },
+  { 3840, 2160, 32 },
+  { 4096, 2160, 32 },
+  { 7680, 4320, 32 },
+  { 8192, 4320, 32 }
+};
+
+#define QEMU_VIDEO_BOCHS_MODE_COUNT \
+  (ARRAY_SIZE (QemuVideoBochsModes))
+
+EFI_STATUS
+QemuVideoBochsModeSetup (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  BOOLEAN                  IsQxl
+  )
+{
+  UINT32                                 AvailableFbSize;
+  UINT32                                 Index;
+  QEMU_VIDEO_MODE_DATA                   *ModeData;
+  QEMU_VIDEO_BOCHS_MODES                 *VideoMode;
+
+  //
+  // Fetch the available framebuffer size.
+  //
+  // VBE_DISPI_INDEX_VIDEO_MEMORY_64K is expected to return the size of the
+  // drawable framebuffer. Up to and including qemu-2.1 however it used to
+  // return the size of PCI BAR 0 (ie. the full video RAM size).
+  //
+  // On stdvga the two concepts coincide with each other; the full memory size
+  // is usable for drawing.
+  //
+  // On QXL however, only a leading segment, "surface 0", can be used for
+  // drawing; the rest of the video memory is used for the QXL guest-host
+  // protocol. VBE_DISPI_INDEX_VIDEO_MEMORY_64K should report the size of
+  // "surface 0", but since it doesn't (up to and including qemu-2.1), we
+  // retrieve the size of the drawable portion from a field in the QXL ROM BAR,
+  // where it is also available.
+  //
+  if (IsQxl) {
+    UINT32 Signature;
+    UINT32 DrawStart;
+
+    Signature = 0;
+    DrawStart = 0xFFFFFFFF;
+    AvailableFbSize = 0;
+    if (EFI_ERROR (
+          Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+                                PCI_BAR_IDX2, 0, 1, &Signature)) ||
+        Signature != SIGNATURE_32 ('Q', 'X', 'R', 'O') ||
+        EFI_ERROR (
+          Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+                                PCI_BAR_IDX2, 36, 1, &DrawStart)) ||
+        DrawStart != 0 ||
+        EFI_ERROR (
+          Private->PciIo->Mem.Read (Private->PciIo, EfiPciIoWidthUint32,
+                                PCI_BAR_IDX2, 40, 1, &AvailableFbSize))) {
+      DEBUG ((EFI_D_ERROR, "%a: can't read size of drawable buffer from QXL "
+        "ROM\n", __FUNCTION__));
+      return EFI_NOT_FOUND;
+    }
+  } else {
+    AvailableFbSize  = BochsRead (Private, VBE_DISPI_INDEX_VIDEO_MEMORY_64K);
+    AvailableFbSize *= SIZE_64KB;
+  }
+  DEBUG ((EFI_D_INFO, "%a: AvailableFbSize=0x%x\n", __FUNCTION__,
+    AvailableFbSize));
+
+  //
+  // Setup Video Modes
+  //
+  Private->ModeData = AllocatePool (
+                        sizeof (Private->ModeData[0]) * QEMU_VIDEO_BOCHS_MODE_COUNT
+                        );
+  if (Private->ModeData == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+  ModeData = Private->ModeData;
+  VideoMode = &QemuVideoBochsModes[0];
+  for (Index = 0; Index < QEMU_VIDEO_BOCHS_MODE_COUNT; Index ++) {
+    UINTN RequiredFbSize;
+
+    ASSERT (VideoMode->ColorDepth % 8 == 0);
+    RequiredFbSize = (UINTN) VideoMode->Width * VideoMode->Height *
+                     (VideoMode->ColorDepth / 8);
+    if (RequiredFbSize <= AvailableFbSize) {
+      ModeData->InternalModeIndex    = Index;
+      ModeData->HorizontalResolution = VideoMode->Width;
+      ModeData->VerticalResolution   = VideoMode->Height;
+      ModeData->ColorDepth           = VideoMode->ColorDepth;
+      DEBUG ((EFI_D_INFO,
+        "Adding Mode %d as Bochs Internal Mode %d: %dx%d, %d-bit\n",
+        (INT32) (ModeData - Private->ModeData),
+        ModeData->InternalModeIndex,
+        ModeData->HorizontalResolution,
+        ModeData->VerticalResolution,
+        ModeData->ColorDepth
+        ));
+
+      ModeData ++ ;
+    }
+    VideoMode ++;
+  }
+  Private->MaxMode = ModeData - Private->ModeData;
+
+  return EFI_SUCCESS;
+}
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.c
new file mode 100644
index 0000000000..aa4648f813
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.c
@@ -0,0 +1,302 @@
+/** @file
+  Install a fake VGABIOS service handler (real mode Int10h) for the buggy
+  Windows 2008 R2 SP1 UEFI guest.
+
+  The handler is never meant to be directly executed by a VCPU; it's there for
+  the internal real mode emulator of Windows 2008 R2 SP1.
+
+  The code is based on Ralf Brown's Interrupt List:
+  <http://www.cs.cmu.edu/~ralf/files.html>
+  <http://www.ctyme.com/rbrown.htm>
+
+  Copyright (C) 2014, Red Hat, Inc.
+  Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <IndustryStandard/LegacyVgaBios.h>
+#include <Library/DebugLib.h>
+#include <Library/PciLib.h>
+#include <Library/PrintLib.h>
+#include <SimicsPlatforms.h>
+
+#include "Qemu.h"
+#include "VbeShim.h"
+
+#pragma pack (1)
+typedef struct {
+  UINT16 Offset;
+  UINT16 Segment;
+} IVT_ENTRY;
+#pragma pack ()
+
+//
+// This string is displayed by Windows 2008 R2 SP1 in the Screen Resolution,
+// Advanced Settings dialog. It should be short.
+//
+STATIC CONST CHAR8 mProductRevision[] = "OVMF Int10h (fake)";
+
+/**
+  Install the VBE Info and VBE Mode Info structures, and the VBE service
+  handler routine in the C segment. Point the real-mode Int10h interrupt vector
+  to the handler. The only advertised mode is 1024x768x32.
+
+  @param[in] CardName         Name of the video card to be exposed in the
+                              Product Name field of the VBE Info structure. The
+                              parameter must originate from a
+                              QEMU_VIDEO_CARD.Name field.
+  @param[in] FrameBufferBase  Guest-physical base address of the video card's
+                              frame buffer.
+**/
+VOID
+InstallVbeShim (
+  IN CONST CHAR16         *CardName,
+  IN EFI_PHYSICAL_ADDRESS FrameBufferBase
+  )
+{
+  EFI_PHYSICAL_ADDRESS Segment0, SegmentC, SegmentF;
+  UINTN                Segment0Pages;
+  IVT_ENTRY            *Int0x10;
+  EFI_STATUS           Segment0AllocationStatus;
+  UINT16               HostBridgeDevId;
+  UINTN                SegmentCPages;
+  VBE_INFO             *VbeInfoFull;
+  VBE_INFO_BASE        *VbeInfo;
+  UINT8                *Ptr;
+  UINTN                Printed;
+  VBE_MODE_INFO        *VbeModeInfo;
+
+  if ((PcdGet8 (PcdNullPointerDetectionPropertyMask) & (BIT0|BIT7)) == BIT0) {
+    DEBUG ((
+      DEBUG_WARN,
+      "%a: page 0 protected, not installing VBE shim\n",
+      __FUNCTION__
+      ));
+    DEBUG ((
+      DEBUG_WARN,
+      "%a: page 0 protection prevents Windows 7 from booting anyway\n",
+      __FUNCTION__
+      ));
+    return;
+  }
+
+  Segment0 = 0x00000;
+  SegmentC = 0xC0000;
+  SegmentF = 0xF0000;
+
+  //
+  // Attempt to cover the real mode IVT with an allocation. This is a UEFI
+  // driver, hence the arch protocols have been installed previously. Among
+  // those, the CPU arch protocol has configured the IDT, so we can overwrite
+  // the IVT used in real mode.
+  //
+  // The allocation request may fail, eg. if LegacyBiosDxe has already run.
+  //
+  Segment0Pages = 1;
+  Int0x10       = (IVT_ENTRY *)(UINTN)Segment0 + 0x10;
+  Segment0AllocationStatus = gBS->AllocatePages (
+                                    AllocateAddress,
+                                    EfiBootServicesCode,
+                                    Segment0Pages,
+                                    &Segment0
+                                    );
+
+  if (EFI_ERROR (Segment0AllocationStatus)) {
+    EFI_PHYSICAL_ADDRESS Handler;
+
+    //
+    // Check if a video BIOS handler has been installed previously -- we
+    // shouldn't override a real video BIOS with our shim, nor our own shim if
+    // it's already present.
+    //
+    Handler = (Int0x10->Segment << 4) + Int0x10->Offset;
+    if (Handler >= SegmentC && Handler < SegmentF) {
+      DEBUG ((EFI_D_INFO, "%a: Video BIOS handler found at %04x:%04x\n",
+        __FUNCTION__, Int0x10->Segment, Int0x10->Offset));
+      return;
+    }
+
+    //
+    // Otherwise we'll overwrite the Int10h vector, even though we may not own
+    // the page at zero.
+    //
+    DEBUG ((
+      DEBUG_INFO,
+      "%a: failed to allocate page at zero: %r\n",
+      __FUNCTION__,
+      Segment0AllocationStatus
+      ));
+  } else {
+    //
+    // We managed to allocate the page at zero. SVN r14218 guarantees that it
+    // is NUL-filled.
+    //
+    ASSERT (Int0x10->Segment == 0x0000);
+    ASSERT (Int0x10->Offset  == 0x0000);
+  }
+
+  HostBridgeDevId = PcdGet16(PcdSimicsX58HostBridgePciDevId);
+  switch (HostBridgeDevId) {
+    case INTEL_ICH10_DEVICE_ID:
+      break;
+    default:
+      DEBUG((
+            DEBUG_ERROR,
+            "%a: unknown host bridge device ID: 0x%04x\n",
+            __FUNCTION__,
+            HostBridgeDevId
+      ));
+      ASSERT (FALSE);
+
+      if (!EFI_ERROR(Segment0AllocationStatus)) {
+        gBS->FreePages(Segment0, Segment0Pages);
+      }
+      return;
+  }
+  //
+  // low nibble covers 0xC0000 to 0xC3FFF
+  // high nibble covers 0xC4000 to 0xC7FFF
+  // bit1 in each nibble is Write Enable
+  // bit0 in each nibble is Read Enable
+  //
+
+  //
+  // We never added memory space during PEI or DXE for the C segment, so we
+  // don't need to (and can't) allocate from there. Also, guest operating
+  // systems will see a hole in the UEFI memory map there.
+  //
+  SegmentCPages = 4;
+
+  ASSERT (sizeof mVbeShim <= EFI_PAGES_TO_SIZE (SegmentCPages));
+  CopyMem ((VOID *)(UINTN)SegmentC, mVbeShim, sizeof mVbeShim);
+
+  //
+  // Fill in the VBE INFO structure.
+  //
+  VbeInfoFull = (VBE_INFO *)(UINTN)SegmentC;
+  VbeInfo     = &VbeInfoFull->Base;
+  Ptr         = VbeInfoFull->Buffer;
+
+  CopyMem (VbeInfo->Signature, "VESA", 4);
+  VbeInfo->VesaVersion = 0x0300;
+
+  VbeInfo->OemNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+  CopyMem (Ptr, "QEMU", 5);
+  Ptr += 5;
+
+  VbeInfo->Capabilities = BIT0; // DAC can be switched into 8-bit mode
+
+  VbeInfo->ModeListAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+  *(UINT16*)Ptr = 0x00f1; // mode number
+  Ptr += 2;
+  *(UINT16*)Ptr = 0xFFFF; // mode list terminator
+  Ptr += 2;
+
+  VbeInfo->VideoMem64K = (UINT16)((1024 * 768 * 4 + 65535) / 65536);
+  VbeInfo->OemSoftwareVersion = 0x0000;
+
+  VbeInfo->VendorNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+  CopyMem (Ptr, "OVMF", 5);
+  Ptr += 5;
+
+  VbeInfo->ProductNameAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+  Printed = AsciiSPrint ((CHAR8 *)Ptr,
+              sizeof VbeInfoFull->Buffer - (Ptr - VbeInfoFull->Buffer), "%s",
+              CardName);
+  Ptr += Printed + 1;
+
+  VbeInfo->ProductRevAddress = (UINT32)SegmentC << 12 | (UINT16)(UINTN)Ptr;
+  CopyMem (Ptr, mProductRevision, sizeof mProductRevision);
+  Ptr += sizeof mProductRevision;
+
+  ASSERT (sizeof VbeInfoFull->Buffer >= Ptr - VbeInfoFull->Buffer);
+  ZeroMem (Ptr, sizeof VbeInfoFull->Buffer - (Ptr - VbeInfoFull->Buffer));
+
+  //
+  // Fil in the VBE MODE INFO structure.
+  //
+  VbeModeInfo = (VBE_MODE_INFO *)(VbeInfoFull + 1);
+
+  //
+  // bit0: mode supported by present hardware configuration
+  // bit1: optional information available (must be =1 for VBE v1.2+)
+  // bit3: set if color, clear if monochrome
+  // bit4: set if graphics mode, clear if text mode
+  // bit5: mode is not VGA-compatible
+  // bit7: linear framebuffer mode supported
+  //
+  VbeModeInfo->ModeAttr = BIT7 | BIT5 | BIT4 | BIT3 | BIT1 | BIT0;
+
+  //
+  // bit0: exists
+  // bit1: bit1: readable
+  // bit2: writeable
+  //
+  VbeModeInfo->WindowAAttr              = BIT2 | BIT1 | BIT0;
+
+  VbeModeInfo->WindowBAttr              = 0x00;
+  VbeModeInfo->WindowGranularityKB      = 0x0040;
+  VbeModeInfo->WindowSizeKB             = 0x0040;
+  VbeModeInfo->WindowAStartSegment      = 0xA000;
+  VbeModeInfo->WindowBStartSegment      = 0x0000;
+  VbeModeInfo->WindowPositioningAddress = 0x0000;
+  VbeModeInfo->BytesPerScanLine         = 1024 * 4;
+
+  VbeModeInfo->Width                = 1024;
+  VbeModeInfo->Height               = 768;
+  VbeModeInfo->CharCellWidth        = 8;
+  VbeModeInfo->CharCellHeight       = 16;
+  VbeModeInfo->NumPlanes            = 1;
+  VbeModeInfo->BitsPerPixel         = 32;
+  VbeModeInfo->NumBanks             = 1;
+  VbeModeInfo->MemoryModel          = 6; // direct color
+  VbeModeInfo->BankSizeKB           = 0;
+  VbeModeInfo->NumImagePagesLessOne = 0;
+  VbeModeInfo->Vbe3                 = 0x01;
+
+  VbeModeInfo->RedMaskSize      = 8;
+  VbeModeInfo->RedMaskPos       = 16;
+  VbeModeInfo->GreenMaskSize    = 8;
+  VbeModeInfo->GreenMaskPos     = 8;
+  VbeModeInfo->BlueMaskSize     = 8;
+  VbeModeInfo->BlueMaskPos      = 0;
+  VbeModeInfo->ReservedMaskSize = 8;
+  VbeModeInfo->ReservedMaskPos  = 24;
+
+  //
+  // bit1: Bytes in reserved field may be used by application
+  //
+  VbeModeInfo->DirectColorModeInfo = BIT1;
+
+  VbeModeInfo->LfbAddress       = (UINT32)FrameBufferBase;
+  VbeModeInfo->OffScreenAddress = 0;
+  VbeModeInfo->OffScreenSizeKB  = 0;
+
+  VbeModeInfo->BytesPerScanLineLinear = 1024 * 4;
+  VbeModeInfo->NumImagesLessOneBanked = 0;
+  VbeModeInfo->NumImagesLessOneLinear = 0;
+  VbeModeInfo->RedMaskSizeLinear      = 8;
+  VbeModeInfo->RedMaskPosLinear       = 16;
+  VbeModeInfo->GreenMaskSizeLinear    = 8;
+  VbeModeInfo->GreenMaskPosLinear     = 8;
+  VbeModeInfo->BlueMaskSizeLinear     = 8;
+  VbeModeInfo->BlueMaskPosLinear      = 0;
+  VbeModeInfo->ReservedMaskSizeLinear = 8;
+  VbeModeInfo->ReservedMaskPosLinear  = 24;
+  VbeModeInfo->MaxPixelClockHz        = 0;
+
+  ZeroMem (VbeModeInfo->Reserved, sizeof VbeModeInfo->Reserved);
+
+  //
+  // Clear Write Enable (bit1), keep Read Enable (bit0) set
+  //
+
+  //
+  // Second, point the Int10h vector at the shim.
+  //
+  Int0x10->Segment = (UINT16) ((UINT32)SegmentC >> 4);
+  Int0x10->Offset  = (UINT16) ((UINTN) (VbeModeInfo + 1) - SegmentC);
+
+  DEBUG ((EFI_D_INFO, "%a: VBE shim installed\n", __FUNCTION__));
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c
new file mode 100644
index 0000000000..b57bacdda4
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.c
@@ -0,0 +1,622 @@
+/** @file
+  This contains the installation function for the driver.
+
+  Copyright (c) 2005 - 2018 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include "8259.h"
+
+//
+// Global for the Legacy 8259 Protocol that is produced by this driver
+//
+EFI_LEGACY_8259_PROTOCOL  mInterrupt8259 = {
+  Interrupt8259SetVectorBase,
+  Interrupt8259GetMask,
+  Interrupt8259SetMask,
+  Interrupt8259SetMode,
+  Interrupt8259GetVector,
+  Interrupt8259EnableIrq,
+  Interrupt8259DisableIrq,
+  Interrupt8259GetInterruptLine,
+  Interrupt8259EndOfInterrupt
+};
+
+//
+// Global for the handle that the Legacy 8259 Protocol is installed
+//
+EFI_HANDLE                m8259Handle             = NULL;
+
+UINT8                     mMasterBase             = 0xff;
+UINT8                     mSlaveBase              = 0xff;
+EFI_8259_MODE             mMode                   = Efi8259ProtectedMode;
+UINT16                    mProtectedModeMask      = 0xffff;
+UINT16                    mLegacyModeMask;
+UINT16                    mProtectedModeEdgeLevel = 0x0000;
+UINT16                    mLegacyModeEdgeLevel;
+
+//
+// Worker Functions
+//
+
+/**
+  Write to mask and edge/level triggered registers of master and slave PICs.
+
+  @param[in]  Mask       low byte for master PIC mask register,
+                         high byte for slave PIC mask register.
+  @param[in]  EdgeLevel  low byte for master PIC edge/level triggered register,
+                         high byte for slave PIC edge/level triggered register.
+
+**/
+VOID
+Interrupt8259WriteMask (
+  IN UINT16  Mask,
+  IN UINT16  EdgeLevel
+  )
+{
+  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, (UINT8) Mask);
+  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, (UINT8) (Mask >> 8));
+  IoWrite8 (LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER, (UINT8) EdgeLevel);
+  IoWrite8 (LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE, (UINT8) (EdgeLevel >> 8));
+}
+
+/**
+  Read from mask and edge/level triggered registers of master and slave PICs.
+
+  @param[out]  Mask       low byte for master PIC mask register,
+                          high byte for slave PIC mask register.
+  @param[out]  EdgeLevel  low byte for master PIC edge/level triggered register,
+                          high byte for slave PIC edge/level triggered register.
+
+**/
+VOID
+Interrupt8259ReadMask (
+  OUT UINT16  *Mask,
+  OUT UINT16  *EdgeLevel
+  )
+{
+  UINT16  MasterValue;
+  UINT16  SlaveValue;
+
+  if (Mask != NULL) {
+    MasterValue = IoRead8 (LEGACY_8259_MASK_REGISTER_MASTER);
+    SlaveValue  = IoRead8 (LEGACY_8259_MASK_REGISTER_SLAVE);
+
+    *Mask = (UINT16) (MasterValue | (SlaveValue << 8));
+  }
+
+  if (EdgeLevel != NULL) {
+    MasterValue = IoRead8 (LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER);
+    SlaveValue  = IoRead8 (LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE);
+
+    *EdgeLevel = (UINT16) (MasterValue | (SlaveValue << 8));
+  }
+}
+
+//
+// Legacy 8259 Protocol Interface Functions
+//
+
+/**
+  Sets the base address for the 8259 master and slave PICs.
+
+  @param[in]  This        Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  MasterBase  Interrupt vectors for IRQ0-IRQ7.
+  @param[in]  SlaveBase   Interrupt vectors for IRQ8-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while writing to the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetVectorBase (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN UINT8                     MasterBase,
+  IN UINT8                     SlaveBase
+  )
+{
+  UINT8   Mask;
+  EFI_TPL OriginalTpl;
+
+  OriginalTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
+  //
+  // Set vector base for slave PIC
+  //
+  if (SlaveBase != mSlaveBase) {
+    mSlaveBase = SlaveBase;
+
+    //
+    // Initialization sequence is needed for setting vector base.
+    //
+
+    //
+    // Preserve interrtup mask register before initialization sequence
+    // because it will be cleared during initialization
+    //
+    Mask = IoRead8 (LEGACY_8259_MASK_REGISTER_SLAVE);
+
+    //
+    // ICW1: cascade mode, ICW4 write required
+    //
+    IoWrite8 (LEGACY_8259_CONTROL_REGISTER_SLAVE, 0x11);
+
+    //
+    // ICW2: new vector base (must be multiple of 8)
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, mSlaveBase);
+
+    //
+    // ICW3: slave indentification code must be 2
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0x02);
+
+    //
+    // ICW4: fully nested mode, non-buffered mode, normal EOI, IA processor
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0x01);
+
+    //
+    // Restore interrupt mask register
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, Mask);
+  }
+
+  //
+  // Set vector base for master PIC
+  //
+  if (MasterBase != mMasterBase) {
+    mMasterBase = MasterBase;
+
+    //
+    // Initialization sequence is needed for setting vector base.
+    //
+
+    //
+    // Preserve interrtup mask register before initialization sequence
+    // because it will be cleared during initialization
+    //
+    Mask = IoRead8 (LEGACY_8259_MASK_REGISTER_MASTER);
+
+    //
+    // ICW1: cascade mode, ICW4 write required
+    //
+    IoWrite8 (LEGACY_8259_CONTROL_REGISTER_MASTER, 0x11);
+
+    //
+    // ICW2: new vector base (must be multiple of 8)
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, mMasterBase);
+
+    //
+    // ICW3: slave PIC is cascaded on IRQ2
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0x04);
+
+    //
+    // ICW4: fully nested mode, non-buffered mode, normal EOI, IA processor
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0x01);
+
+    //
+    // Restore interrupt mask register
+    //
+    IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, Mask);
+  }
+
+  IoWrite8 (LEGACY_8259_CONTROL_REGISTER_SLAVE, LEGACY_8259_EOI);
+  IoWrite8 (LEGACY_8259_CONTROL_REGISTER_MASTER, LEGACY_8259_EOI);
+
+  gBS->RestoreTPL (OriginalTpl);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Gets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
+
+  @param[in]   This                Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[out]  LegacyMask          16-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[out]  LegacyEdgeLevel     16-bit mode edge/level mask for IRQ-IRQ15.
+  @param[out]  ProtectedMask       32-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[out]  ProtectedEdgeLevel  32-bit mode edge/level mask for IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while reading the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetMask (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  OUT UINT16                    *LegacyMask, OPTIONAL
+  OUT UINT16                    *LegacyEdgeLevel, OPTIONAL
+  OUT UINT16                    *ProtectedMask, OPTIONAL
+  OUT UINT16                    *ProtectedEdgeLevel OPTIONAL
+  )
+{
+  if (LegacyMask != NULL) {
+    *LegacyMask = mLegacyModeMask;
+  }
+
+  if (LegacyEdgeLevel != NULL) {
+    *LegacyEdgeLevel = mLegacyModeEdgeLevel;
+  }
+
+  if (ProtectedMask != NULL) {
+    *ProtectedMask = mProtectedModeMask;
+  }
+
+  if (ProtectedEdgeLevel != NULL) {
+    *ProtectedEdgeLevel = mProtectedModeEdgeLevel;
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Sets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
+
+  @param[in]  This                Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  LegacyMask          16-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[in]  LegacyEdgeLevel     16-bit mode edge/level mask for IRQ-IRQ15.
+  @param[in]  ProtectedMask       32-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[in]  ProtectedEdgeLevel  32-bit mode edge/level mask for IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while writing the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetMask (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN UINT16                    *LegacyMask, OPTIONAL
+  IN UINT16                    *LegacyEdgeLevel, OPTIONAL
+  IN UINT16                    *ProtectedMask, OPTIONAL
+  IN UINT16                    *ProtectedEdgeLevel OPTIONAL
+  )
+{
+  if (LegacyMask != NULL) {
+    mLegacyModeMask = *LegacyMask;
+  }
+
+  if (LegacyEdgeLevel != NULL) {
+    mLegacyModeEdgeLevel = *LegacyEdgeLevel;
+  }
+
+  if (ProtectedMask != NULL) {
+    mProtectedModeMask = *ProtectedMask;
+  }
+
+  if (ProtectedEdgeLevel != NULL) {
+    mProtectedModeEdgeLevel = *ProtectedEdgeLevel;
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Sets the mode of the PICs.
+
+  @param[in]  This       Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Mode       16-bit real or 32-bit protected mode.
+  @param[in]  Mask       The value with which to set the interrupt mask.
+  @param[in]  EdgeLevel  The value with which to set the edge/level mask.
+
+  @retval  EFI_SUCCESS            The mode was set successfully.
+  @retval  EFI_INVALID_PARAMETER  The mode was not set.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetMode (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_MODE             Mode,
+  IN UINT16                    *Mask, OPTIONAL
+  IN UINT16                    *EdgeLevel OPTIONAL
+  )
+{
+  if (Mode == mMode) {
+    return EFI_SUCCESS;
+  }
+
+  if (Mode == Efi8259LegacyMode) {
+    //
+    // In Efi8259ProtectedMode, mask and edge/level trigger registers should
+    // be changed through this protocol, so we can track them in the
+    // corresponding module variables.
+    //
+    Interrupt8259ReadMask (&mProtectedModeMask, &mProtectedModeEdgeLevel);
+
+    if (Mask != NULL) {
+      //
+      // Update the Mask for the new mode
+      //
+      mLegacyModeMask = *Mask;
+    }
+
+    if (EdgeLevel != NULL) {
+      //
+      // Update the Edge/Level triggered mask for the new mode
+      //
+      mLegacyModeEdgeLevel = *EdgeLevel;
+    }
+
+    mMode = Mode;
+
+    //
+    // Write new legacy mode mask/trigger level
+    //
+    Interrupt8259WriteMask (mLegacyModeMask, mLegacyModeEdgeLevel);
+
+    return EFI_SUCCESS;
+  }
+
+  if (Mode == Efi8259ProtectedMode) {
+    //
+    // Save the legacy mode mask/trigger level
+    //
+    Interrupt8259ReadMask (&mLegacyModeMask, &mLegacyModeEdgeLevel);
+    //
+    // Always force Timer to be enabled after return from 16-bit code.
+    // This always insures that on next entry, timer is counting.
+    //
+    mLegacyModeMask &= 0xFFFE;
+
+    if (Mask != NULL) {
+      //
+      // Update the Mask for the new mode
+      //
+      mProtectedModeMask = *Mask;
+    }
+
+    if (EdgeLevel != NULL) {
+      //
+      // Update the Edge/Level triggered mask for the new mode
+      //
+      mProtectedModeEdgeLevel = *EdgeLevel;
+    }
+
+    mMode = Mode;
+
+    //
+    // Write new protected mode mask/trigger level
+    //
+    Interrupt8259WriteMask (mProtectedModeMask, mProtectedModeEdgeLevel);
+
+    return EFI_SUCCESS;
+  }
+
+  return EFI_INVALID_PARAMETER;
+}
+
+/**
+  Translates the IRQ into a vector.
+
+  @param[in]   This    Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]   Irq     IRQ0-IRQ15.
+  @param[out]  Vector  The vector that is assigned to the IRQ.
+
+  @retval  EFI_SUCCESS            The Vector that matches Irq was returned.
+  @retval  EFI_INVALID_PARAMETER  Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetVector (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  IN  EFI_8259_IRQ              Irq,
+  OUT UINT8                     *Vector
+  )
+{
+  if ((UINT32)Irq > Efi8259Irq15) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (Irq <= Efi8259Irq7) {
+    *Vector = (UINT8) (mMasterBase + Irq);
+  } else {
+    *Vector = (UINT8) (mSlaveBase + (Irq - Efi8259Irq8));
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Enables the specified IRQ.
+
+  @param[in]  This            Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq             IRQ0-IRQ15.
+  @param[in]  LevelTriggered  0 = Edge triggered; 1 = Level triggered.
+
+  @retval  EFI_SUCCESS            The Irq was enabled on the 8259 PIC.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259EnableIrq (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_IRQ              Irq,
+  IN BOOLEAN                   LevelTriggered
+  )
+{
+  if ((UINT32)Irq > Efi8259Irq15) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  mProtectedModeMask = (UINT16) (mProtectedModeMask & ~(1 << Irq));
+  if (LevelTriggered) {
+    mProtectedModeEdgeLevel = (UINT16) (mProtectedModeEdgeLevel | (1 << Irq));
+  } else {
+    mProtectedModeEdgeLevel = (UINT16) (mProtectedModeEdgeLevel & ~(1 << Irq));
+  }
+
+  Interrupt8259WriteMask (mProtectedModeMask, mProtectedModeEdgeLevel);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Disables the specified IRQ.
+
+  @param[in]  This  Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq   IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS            The Irq was disabled on the 8259 PIC.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259DisableIrq (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_IRQ              Irq
+  )
+{
+  if ((UINT32)Irq > Efi8259Irq15) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  mProtectedModeMask = (UINT16) (mProtectedModeMask | (1 << Irq));
+
+  mProtectedModeEdgeLevel = (UINT16) (mProtectedModeEdgeLevel & ~(1 << Irq));
+
+  Interrupt8259WriteMask (mProtectedModeMask, mProtectedModeEdgeLevel);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Reads the PCI configuration space to get the interrupt number that is assigned to the card.
+
+  @param[in]   This       Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]   PciHandle  PCI function for which to return the vector.
+  @param[out]  Vector     IRQ number that corresponds to the interrupt line.
+
+  @retval  EFI_SUCCESS  The interrupt line value was read successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetInterruptLine (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  IN  EFI_HANDLE                PciHandle,
+  OUT UINT8                     *Vector
+  )
+{
+  EFI_PCI_IO_PROTOCOL *PciIo;
+  UINT8               InterruptLine;
+  EFI_STATUS          Status;
+
+  Status = gBS->HandleProtocol (
+                  PciHandle,
+                  &gEfiPciIoProtocolGuid,
+                  (VOID **) &PciIo
+                  );
+  if (EFI_ERROR (Status)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  PciIo->Pci.Read (
+               PciIo,
+               EfiPciIoWidthUint8,
+               PCI_INT_LINE_OFFSET,
+               1,
+               &InterruptLine
+               );
+  //
+  // Interrupt line is same location for standard PCI cards, standard
+  // bridge and CardBus bridge.
+  //
+  *Vector = InterruptLine;
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Issues the End of Interrupt (EOI) commands to PICs.
+
+  @param[in]  This  Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq   The interrupt for which to issue the EOI command.
+
+  @retval  EFI_SUCCESS            The EOI command was issued.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259EndOfInterrupt (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_IRQ              Irq
+  )
+{
+  if ((UINT32)Irq > Efi8259Irq15) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  if (Irq >= Efi8259Irq8) {
+    IoWrite8 (LEGACY_8259_CONTROL_REGISTER_SLAVE, LEGACY_8259_EOI);
+  }
+
+  IoWrite8 (LEGACY_8259_CONTROL_REGISTER_MASTER, LEGACY_8259_EOI);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Driver Entry point.
+
+  @param[in]  ImageHandle  ImageHandle of the loaded driver.
+  @param[in]  SystemTable  Pointer to the EFI System Table.
+
+  @retval  EFI_SUCCESS  One or more of the drivers returned a success code.
+  @retval  !EFI_SUCCESS  Error installing Legacy 8259 Protocol.
+
+**/
+EFI_STATUS
+EFIAPI
+Install8259 (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS   Status;
+  EFI_8259_IRQ Irq;
+
+  //
+  // Initialze mask values from PCDs
+  //
+  mLegacyModeMask      = PcdGet16 (Pcd8259LegacyModeMask);
+  mLegacyModeEdgeLevel = PcdGet16 (Pcd8259LegacyModeEdgeLevel);
+
+  //
+  // Clear all pending interrupt
+  //
+  for (Irq = Efi8259Irq0; Irq <= Efi8259Irq15; Irq++) {
+    Interrupt8259EndOfInterrupt (&mInterrupt8259, Irq);
+  }
+
+  //
+  // Set the 8259 Master base to 0x68 and the 8259 Slave base to 0x70
+  //
+  Status = Interrupt8259SetVectorBase (&mInterrupt8259, PROTECTED_MODE_BASE_VECTOR_MASTER, PROTECTED_MODE_BASE_VECTOR_SLAVE);
+
+  //
+  // Set all 8259 interrupts to edge triggered and disabled
+  //
+  Interrupt8259WriteMask (mProtectedModeMask, mProtectedModeEdgeLevel);
+
+  //
+  // Install 8259 Protocol onto a new handle
+  //
+  Status = gBS->InstallProtocolInterface (
+                  &m8259Handle,
+                  &gEfiLegacy8259ProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  &mInterrupt8259
+                  );
+  return Status;
+}
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridge.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridge.h
new file mode 100644
index 0000000000..3bf31067fa
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridge.h
@@ -0,0 +1,68 @@
+/** @file
+  Header file of OVMF instance of PciHostBridgeLib.
+
+  Copyright (c) 2016 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+PCI_ROOT_BRIDGE *
+ScanForRootBridges (
+  UINTN      *NumberOfRootBridges
+);
+
+/**
+  Initialize a PCI_ROOT_BRIDGE structure.
+
+  @param[in]  Supports         Supported attributes.
+
+  @param[in]  Attributes       Initial attributes.
+
+  @param[in]  AllocAttributes  Allocation attributes.
+
+  @param[in]  RootBusNumber    The bus number to store in RootBus.
+
+  @param[in]  MaxSubBusNumber  The inclusive maximum bus number that can be
+                               assigned to any subordinate bus found behind any
+                               PCI bridge hanging off this root bus.
+
+                               The caller is repsonsible for ensuring that
+                               RootBusNumber <= MaxSubBusNumber. If
+                               RootBusNumber equals MaxSubBusNumber, then the
+                               root bus has no room for subordinate buses.
+
+  @param[in]  Io               IO aperture.
+
+  @param[in]  Mem              MMIO aperture.
+
+  @param[in]  MemAbove4G       MMIO aperture above 4G.
+
+  @param[in]  PMem             Prefetchable MMIO aperture.
+
+  @param[in]  PMemAbove4G      Prefetchable MMIO aperture above 4G.
+
+  @param[out] RootBus          The PCI_ROOT_BRIDGE structure (allocated by the
+                               caller) that should be filled in by this
+                               function.
+
+  @retval EFI_SUCCESS           Initialization successful. A device path
+                                consisting of an ACPI device path node, with
+                                UID = RootBusNumber, has been allocated and
+                                linked into RootBus.
+
+  @retval EFI_OUT_OF_RESOURCES  Memory allocation failed.
+**/
+EFI_STATUS
+InitRootBridge (
+  IN  UINT64                   Supports,
+  IN  UINT64                   Attributes,
+  IN  UINT64                   AllocAttributes,
+  IN  UINT8                    RootBusNumber,
+  IN  UINT8                    MaxSubBusNumber,
+  IN  PCI_ROOT_BRIDGE_APERTURE *Io,
+  IN  PCI_ROOT_BRIDGE_APERTURE *Mem,
+  IN  PCI_ROOT_BRIDGE_APERTURE *MemAbove4G,
+  IN  PCI_ROOT_BRIDGE_APERTURE *PMem,
+  IN  PCI_ROOT_BRIDGE_APERTURE *PMemAbove4G,
+  OUT PCI_ROOT_BRIDGE          *RootBus
+  );
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf
new file mode 100644
index 0000000000..8c6de3dca6
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PciHostBridgeLib/PciHostBridgeLib.inf
@@ -0,0 +1,50 @@
+## @file
+#  OVMF's instance of the PCI Host Bridge Library.
+#
+#  Copyright (C) 2016, Red Hat, Inc.
+# Copyright (c) 2016 - 2018 Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PciHostBridgeLib
+  FILE_GUID                      = 2F04EC41-C3A0-43EB-AC6A-409F973F4439
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PciHostBridgeLib
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+
+[Sources]
+  PciHostBridgeLib.c
+  PciHostBridge.h
+
+[Packages]
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+  SimicsOpenBoardPkg/SimicsOpenBoardPkg.dec
+
+[LibraryClasses]
+  BaseMemoryLib
+  DebugLib
+  DevicePathLib
+  MemoryAllocationLib
+  PciLib
+
+[Pcd]
+  gSimicsX58PkgTokenSpaceGuid.PcdPciIoBase
+  gSimicsX58PkgTokenSpaceGuid.PcdPciIoSize
+  gSimicsX58PkgTokenSpaceGuid.PcdPciMmio32Base
+  gSimicsX58PkgTokenSpaceGuid.PcdPciMmio32Size
+  gSimicsX58PkgTokenSpaceGuid.PcdPciMmio64Base
+  gSimicsX58PkgTokenSpaceGuid.PcdPciMmio64Size
+  gSimicsX58PkgTokenSpaceGuid.PcdSimicsX58HostBridgePciDevId
+  gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.h
new file mode 100644
index 0000000000..1fb031b752
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/BdsPlatform.h
@@ -0,0 +1,156 @@
+/** @file
+  Platform BDS customizations include file.
+
+  Copyright (c) 2006 - 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef _PLATFORM_SPECIFIC_BDS_PLATFORM_H_
+#define _PLATFORM_SPECIFIC_BDS_PLATFORM_H_
+
+
+#include <PiDxe.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Acpi.h>
+#include <IndustryStandard/SmBios.h>
+#include <IndustryStandard/PeImage.h>
+
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PciLib.h>
+#include <Library/UefiBootManagerLib.h>
+#include <Library/BootLogoLib.h>
+#include <Library/HobLib.h>
+#include <Library/UefiLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/IoLib.h>
+#include <Library/NvVarsFileLib.h>
+
+#include <Protocol/Decompress.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/FirmwareVolume2.h>
+#include <Protocol/SimpleFileSystem.h>
+#include <Protocol/PciRootBridgeIo.h>
+#include <Protocol/S3SaveState.h>
+#include <Protocol/DxeSmmReadyToLock.h>
+#include <Protocol/LoadedImage.h>
+
+#include <Guid/Acpi.h>
+#include <Guid/SmBios.h>
+#include <Guid/Mps.h>
+#include <Guid/HobList.h>
+#include <Guid/GlobalVariable.h>
+#include <Guid/EventGroup.h>
+
+#include <SimicsPlatforms.h>
+
+extern EFI_DEVICE_PATH_PROTOCOL   *gPlatformConnectSequence[];
+extern ACPI_HID_DEVICE_PATH       gPnpPs2KeyboardDeviceNode;
+extern ACPI_HID_DEVICE_PATH       gPnp16550ComPortDeviceNode;
+extern UART_DEVICE_PATH           gUartDeviceNode;
+extern VENDOR_DEVICE_PATH         gTerminalTypeDeviceNode;
+
+#define PCI_DEVICE_PATH_NODE(Func, Dev) \
+  { \
+    { \
+      HARDWARE_DEVICE_PATH, \
+      HW_PCI_DP, \
+      { \
+        (UINT8) (sizeof (PCI_DEVICE_PATH)), \
+        (UINT8) ((sizeof (PCI_DEVICE_PATH)) >> 8) \
+      } \
+    }, \
+    (Func), \
+    (Dev) \
+  }
+
+#define PNPID_DEVICE_PATH_NODE(PnpId) \
+  { \
+    { \
+      ACPI_DEVICE_PATH, \
+      ACPI_DP, \
+      { \
+        (UINT8) (sizeof (ACPI_HID_DEVICE_PATH)), \
+        (UINT8) ((sizeof (ACPI_HID_DEVICE_PATH)) >> 8) \
+      }, \
+    }, \
+    EISA_PNP_ID((PnpId)), \
+    0 \
+  }
+
+#define gPciIsaBridge \
+  PCI_DEVICE_PATH_NODE(0, 0x1f)
+
+#define gP2PBridge \
+  PCI_DEVICE_PATH_NODE(0, 0x1e)
+
+#define gPnpPs2Keyboard \
+  PNPID_DEVICE_PATH_NODE(0x0303)
+
+#define gPnp16550ComPort \
+  PNPID_DEVICE_PATH_NODE(0x0501)
+
+#define gUart \
+  { \
+    { \
+      MESSAGING_DEVICE_PATH, \
+      MSG_UART_DP, \
+      { \
+        (UINT8) (sizeof (UART_DEVICE_PATH)), \
+        (UINT8) ((sizeof (UART_DEVICE_PATH)) >> 8) \
+      } \
+    }, \
+    0, \
+    115200, \
+    8, \
+    1, \
+    1 \
+  }
+
+#define gPcAnsiTerminal \
+  { \
+    { \
+      MESSAGING_DEVICE_PATH, \
+      MSG_VENDOR_DP, \
+      { \
+        (UINT8) (sizeof (VENDOR_DEVICE_PATH)), \
+        (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8) \
+      } \
+    }, \
+    DEVICE_PATH_MESSAGING_PC_ANSI \
+  }
+
+#define PCI_CLASS_SCC          0x07
+#define PCI_SUBCLASS_SERIAL    0x00
+#define PCI_IF_16550           0x02
+#define IS_PCI_16550SERIAL(_p)           IS_CLASS3 (_p, PCI_CLASS_SCC, PCI_SUBCLASS_SERIAL, PCI_IF_16550)
+#define IS_PCI_ISA_PDECODE(_p)        IS_CLASS3 (_p, PCI_CLASS_BRIDGE, PCI_CLASS_BRIDGE_ISA_PDECODE, 0)
+
+typedef struct {
+  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
+  UINTN                     ConnectType;
+} PLATFORM_CONSOLE_CONNECT_ENTRY;
+
+#define CONSOLE_OUT BIT0
+#define CONSOLE_IN  BIT1
+#define STD_ERROR   BIT2
+extern PLATFORM_CONSOLE_CONNECT_ENTRY  gPlatformConsole[];
+
+//
+// Platform BDS Functions
+//
+
+VOID
+PlatformInitializeConsole (
+  IN PLATFORM_CONSOLE_CONNECT_ENTRY   *PlatformConsole
+  );
+
+#endif // _PLATFORM_SPECIFIC_BDS_PLATFORM_H_
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
new file mode 100644
index 0000000000..55da35e87d
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
@@ -0,0 +1,69 @@
+## @file
+#  Platform BDS customizations library.
+#
+# Copyright (c) 2007 - 2018 Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PlatformBootManagerLib
+  FILE_GUID                      = 8AE4756F-0C71-4C06-84D4-4C71F204D514
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PlatformBootManagerLib|DXE_DRIVER
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+
+[Sources]
+  BdsPlatform.c
+  PlatformData.c
+  BdsPlatform.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  SimicsOpenBoardPkg/SimicsOpenBoardPkg.dec
+  OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+  BaseLib
+  MemoryAllocationLib
+  UefiBootServicesTableLib
+  BaseMemoryLib
+  DebugLib
+  PcdLib
+  UefiBootManagerLib
+  BootLogoLib
+  DevicePathLib
+  PciLib
+  NvVarsFileLib
+  LoadLinuxLib
+  UefiLib
+
+[Pcd]
+  gSimicsX58PkgTokenSpaceGuid.PcdEmuVariableEvent
+  gSimicsX58PkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable
+  gSimicsX58PkgTokenSpaceGuid.PcdSimicsX58HostBridgePciDevId
+  gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut
+  gSimicsX58PkgTokenSpaceGuid.PcdShellFile
+
+[Pcd.IA32, Pcd.X64]
+  gEfiMdePkgTokenSpaceGuid.PcdFSBClock
+
+[Protocols]
+  gEfiDecompressProtocolGuid
+  gEfiPciRootBridgeIoProtocolGuid
+  gEfiS3SaveStateProtocolGuid                   # PROTOCOL SOMETIMES_CONSUMED
+  gEfiDxeSmmReadyToLockProtocolGuid             # PROTOCOL SOMETIMES_PRODUCED
+  gEfiLoadedImageProtocolGuid                   # PROTOCOL SOMETIMES_PRODUCED
+  gEfiFirmwareVolume2ProtocolGuid               # PROTOCOL SOMETIMES_CONSUMED
+
+[Guids]
+  gEfiEndOfDxeEventGroupGuid
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.bmp b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.bmp
new file mode 100644
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diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.idf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.idf
new file mode 100644
index 0000000000..1f79332020
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.idf
@@ -0,0 +1,10 @@
+// /** @file
+// Platform Logo image definition file.
+//
+// Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#image IMG_LOGO Logo.bmp
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.inf
new file mode 100644
index 0000000000..3380f3c1d5
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.inf
@@ -0,0 +1,28 @@
+## @file
+#  The default logo bitmap picture shown on setup screen, which is corresponding to gEfiDefaultBmpLogoGuid.
+#
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = Logo
+  MODULE_UNI_FILE                = Logo.uni
+  FILE_GUID                      = 7BB28B99-61BB-11D5-9A5D-0090273FC14D
+  MODULE_TYPE                    = USER_DEFINED
+  VERSION_STRING                 = 1.0
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC ARM AARCH64
+#
+
+[Binaries]
+  BIN|Logo.bmp|*
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  LogoExtra.uni
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.uni
new file mode 100644
index 0000000000..9d1bbaffa9
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/Logo.uni
@@ -0,0 +1,16 @@
+// /** @file
+// The default logo bitmap picture shown on setup screen, which is corresponding to gEfiDefaultBmpLogoGuid.
+//
+// This module provides the default logo bitmap picture shown on setup screen, which corresponds to gEfiDefaultBmpLogoGuid.
+//
+// Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "Provides the default logo bitmap picture shown on setup screen, which corresponds to gEfiDefaultBmpLogoGuid"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "This module provides the default logo bitmap picture shown on setup screen, which corresponds to gEfiDefaultBmpLogoGuid."
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.inf
new file mode 100644
index 0000000000..01102b138f
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.inf
@@ -0,0 +1,55 @@
+## @file
+#  The default logo bitmap picture shown on setup screen.
+#
+# Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = LogoDxe
+  MODULE_UNI_FILE                = LogoDxe.uni
+  FILE_GUID                      = F74D20EE-37E7-48FC-97F7-9B1047749C69
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+
+  ENTRY_POINT                    = InitializeLogo
+#
+#  This flag specifies whether HII resource section is generated into PE image.
+#
+  UEFI_HII_RESOURCE_SECTION      = TRUE
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  Logo.bmp
+  Logo.c
+  Logo.idf
+
+[Packages]
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  DebugLib
+
+[Protocols]
+  gEfiHiiDatabaseProtocolGuid        ## CONSUMES
+  gEfiHiiImageExProtocolGuid         ## CONSUMES
+  gEfiHiiPackageListProtocolGuid     ## PRODUCES CONSUMES
+  gEdkiiPlatformLogoProtocolGuid     ## PRODUCES
+
+[Depex]
+  gEfiHiiDatabaseProtocolGuid AND
+  gEfiHiiImageExProtocolGuid
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  LogoDxeExtra.uni
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.uni
new file mode 100644
index 0000000000..9635701b60
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxe.uni
@@ -0,0 +1,16 @@
+// /** @file
+// The default logo bitmap picture shown on setup screen.
+//
+// This module provides the default logo bitmap picture shown on setup screen, through EDKII Platform Logo protocol.
+//
+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "Provides the default logo bitmap picture shown on setup screen."
+
+#string STR_MODULE_DESCRIPTION          #language en-US "This module provides the default logo bitmap picture shown on setup screen, through EDKII Platform Logo protocol."
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxeExtra.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxeExtra.uni
new file mode 100644
index 0000000000..c6ea34b81d
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoDxeExtra.uni
@@ -0,0 +1,14 @@
+// /** @file
+// Logo Localized Strings and Content
+//
+// Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"Logo Image File"
+
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoExtra.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoExtra.uni
new file mode 100644
index 0000000000..041179fb75
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdeModulePkg/Logo/LogoExtra.uni
@@ -0,0 +1,14 @@
+// /** @file
+// Logo Localized Strings and Content
+//
+// Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"Logo Image File"
+
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/DxePciLibX58Ich10.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/DxePciLibX58Ich10.inf
new file mode 100644
index 0000000000..e5ca95e20e
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MdePkg/Library/BasePciLibCf8/DxePciLibX58Ich10.inf
@@ -0,0 +1,40 @@
+## @file
+#  An instance of the PCI Library that is based on both the PCI CF8 Library and
+#  the PCI Express Library.
+#
+#  This PciLib instance caches the SimicsX58 platform type (X58-ICH10) in
+#  its entry point function, then delegates function calls to one of the
+#  PciCf8Lib or PciExpressLib "backends" as appropriate.
+#
+#  Copyright (C) 2016, Red Hat, Inc.
+# Copyright (c) 2007 - 2014 Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = DxePciLibX58Ich10
+  FILE_GUID                      = FC214B5D-B5B5-4E54-9B28-5E94532E5E2A
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = PciLib|DXE_DRIVER DXE_RUNTIME_DRIVER SMM_CORE DXE_SMM_DRIVER UEFI_DRIVER UEFI_APPLICATION
+  CONSTRUCTOR                    = InitializeConfigAccessMethod
+
+#  VALID_ARCHITECTURES           = IA32 X64
+
+[Sources]
+  PciLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  SimicsOpenBoardPkg/SimicsOpenBoardPkg.dec
+
+[LibraryClasses]
+  PcdLib
+  PciCf8Lib
+  PciExpressLib
+
+[Pcd]
+  gSimicsX58PkgTokenSpaceGuid.PcdSimicsX58HostBridgePciDevId
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.h
new file mode 100644
index 0000000000..2deb2a88eb
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.h
@@ -0,0 +1,45 @@
+/** @file
+  This is an implementation of the ACPI platform driver.
+
+  Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef _ACPI_PLATFORM_H_
+#define _ACPI_PLATFORM_H_
+
+//
+// Statements that include other header files
+//
+
+#include <Base.h>
+#include <Uefi.h>
+#include <IndustryStandard/Pci30.h>
+#include <IndustryStandard/Acpi.h>
+#include <IndustryStandard/HighPrecisionEventTimerTable.h>
+#include <IndustryStandard/MemoryMappedConfigurationSpaceAccessTable.h>
+#include <IndustryStandard/WindowsSmmSecurityMitigationTable.h>
+#include <Register/Hpet.h>
+#include <Guid/EventGroup.h>
+#include <Guid/GlobalVariable.h>
+#include <Library/UefiLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/BoardAcpiTableLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/AslUpdateLib.h>
+#include <Library/PciSegmentInfoLib.h>
+
+#include <Protocol/AcpiTable.h>
+#include <Protocol/MpService.h>
+#include <Protocol/PciIo.h>
+
+#include <Register/Cpuid.h>
+
+#endif
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.inf
new file mode 100644
index 0000000000..b4b52b6622
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/MinPlatformPkg/Acpi/AcpiTables/AcpiPlatform.inf
@@ -0,0 +1,105 @@
+## @file
+#  Component information file for AcpiPlatform module
+#
+# Copyright (c) 2017 Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = AcpiPlatform
+  FILE_GUID                      = FC90EB7A-3E0A-483C-A26C-484D36593FF4
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = InstallAcpiPlatform
+
+[Sources.common]
+  AcpiPlatform.h
+  AcpiPlatform.c
+  Fadt/Fadt.c
+  Facs/Facs.c
+  Hpet/Hpet.c
+  Wsmt/Wsmt.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec
+  MinPlatformPkg/MinPlatformPkg.dec
+  PcAtChipsetPkg/PcAtChipsetPkg.dec
+
+[LibraryClasses]
+  UefiDriverEntryPoint
+  BaseLib
+  DebugLib
+  IoLib
+  PcdLib
+  UefiBootServicesTableLib
+  UefiRuntimeServicesTableLib
+  BaseMemoryLib
+  HobLib
+  PciSegmentInfoLib
+  AslUpdateLib
+
+[Pcd]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemId
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultOemTableId
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorId
+  gEfiMdeModulePkgTokenSpaceGuid.PcdAcpiDefaultCreatorRevision
+
+  gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicEnable
+  gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicCount
+  gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicIdBase
+  gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicAddressBase
+  gMinPlatformPkgTokenSpaceGuid.PcdPcIoApicInterruptBase
+  gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuThreadCount
+  gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuCoreCount
+  gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuSocketCount
+
+  gMinPlatformPkgTokenSpaceGuid.PcdFadtPreferredPmProfile
+  gMinPlatformPkgTokenSpaceGuid.PcdFadtIaPcBootArch
+  gMinPlatformPkgTokenSpaceGuid.PcdFadtFlags
+
+  gPcAtChipsetPkgTokenSpaceGuid.PcdHpetBaseAddress
+  gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdPciExpressRegionLength
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiEnableSwSmi
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiDisableSwSmi
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPm1AEventBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPm1BEventBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPm1AControlBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPm1BControlBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPm2ControlBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiPmTimerBlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiGpe0BlockAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdAcpiGpe1BlockAddress
+
+  gMinPlatformPkgTokenSpaceGuid.PcdLocalApicAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdIoApicAddress
+  gMinPlatformPkgTokenSpaceGuid.PcdIoApicId
+
+  gUefiCpuPkgTokenSpaceGuid.PcdCpuMaxLogicalProcessorNumber
+  gMinPlatformPkgTokenSpaceGuid.PcdMaxCpuSocketCount
+
+  gMinPlatformPkgTokenSpaceGuid.PcdWsmtProtectionFlags
+
+[Protocols]
+  gEfiAcpiTableProtocolGuid                     ## CONSUMES
+  gEfiMpServiceProtocolGuid                     ## CONSUMES
+  gEfiPciIoProtocolGuid                         ## CONSUMES
+
+[Guids]
+  gEfiGlobalVariableGuid                        ## CONSUMES
+  gEfiHobListGuid                               ## CONSUMES
+  gEfiEndOfDxeEventGroupGuid                    ## CONSUMES
+
+[Depex]
+  gEfiAcpiTableProtocolGuid           AND
+  gEfiMpServiceProtocolGuid           AND
+  gEfiPciRootBridgeIoProtocolGuid     AND
+  gEfiVariableArchProtocolGuid        AND
+  gEfiVariableWriteArchProtocolGuid
+
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Qemu.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Qemu.h
new file mode 100644
index 0000000000..f6ef44a14f
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/Qemu.h
@@ -0,0 +1,507 @@
+/** @file
+  QEMU Video Controller Driver
+
+  Copyright (c) 2006 - 2019 Intel Corporation. All rights reserved. <BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+//
+// QEMU Video Controller Driver
+//
+
+#ifndef _QEMU_H_
+#define _QEMU_H_
+
+
+#include <Uefi.h>
+#include <Protocol/GraphicsOutput.h>
+#include <Protocol/PciIo.h>
+#include <Protocol/DriverSupportedEfiVersion.h>
+#include <Protocol/DevicePath.h>
+
+#include <Library/DebugLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiLib.h>
+#include <Library/PcdLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DevicePathLib.h>
+#include <Library/TimerLib.h>
+#include <Library/FrameBufferBltLib.h>
+
+#include <IndustryStandard/Pci.h>
+#include <IndustryStandard/Acpi.h>
+
+#include <Library/S3BootScriptLib.h>
+
+//
+// QEMU Video PCI Configuration Header values
+//
+#define CIRRUS_LOGIC_VENDOR_ID                0x1013
+#define CIRRUS_LOGIC_5430_DEVICE_ID           0x00a8
+#define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID 0x00a0
+#define CIRRUS_LOGIC_5446_DEVICE_ID           0x00b8
+
+//
+// QEMU Vide Graphical Mode Data
+//
+typedef struct {
+  UINT32  InternalModeIndex; // points into card-specific mode table
+  UINT32  HorizontalResolution;
+  UINT32  VerticalResolution;
+  UINT32  ColorDepth;
+} QEMU_VIDEO_MODE_DATA;
+
+#define PIXEL_RED_SHIFT   0
+#define PIXEL_GREEN_SHIFT 3
+#define PIXEL_BLUE_SHIFT  6
+
+#define PIXEL_RED_MASK    (BIT7 | BIT6 | BIT5)
+#define PIXEL_GREEN_MASK  (BIT4 | BIT3 | BIT2)
+#define PIXEL_BLUE_MASK   (BIT1 | BIT0)
+
+#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift) ((UINT8) ((pixel & mask) << shift))
+#define PIXEL_TO_RED_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
+#define PIXEL_TO_GREEN_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
+#define PIXEL_TO_BLUE_BYTE(pixel) PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
+
+#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
+  (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
+            (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
+            (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
+
+#define PIXEL24_RED_MASK    0x00ff0000
+#define PIXEL24_GREEN_MASK  0x0000ff00
+#define PIXEL24_BLUE_MASK   0x000000ff
+
+#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER  0xffff
+
+//
+// QEMU Video Private Data Structure
+//
+#define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('Q', 'V', 'I', 'D')
+
+typedef enum {
+  QEMU_VIDEO_CIRRUS_5430 = 1,
+  QEMU_VIDEO_CIRRUS_5446,
+  QEMU_VIDEO_BOCHS,
+  QEMU_VIDEO_BOCHS_MMIO,
+} QEMU_VIDEO_VARIANT;
+
+typedef struct {
+  UINT8                                 SubClass;
+  UINT16                                VendorId;
+  UINT16                                DeviceId;
+  QEMU_VIDEO_VARIANT                    Variant;
+  CHAR16                                *Name;
+} QEMU_VIDEO_CARD;
+
+typedef struct {
+  UINT64                                Signature;
+  EFI_HANDLE                            Handle;
+  EFI_PCI_IO_PROTOCOL                   *PciIo;
+  UINT64                                OriginalPciAttributes;
+  EFI_GRAPHICS_OUTPUT_PROTOCOL          GraphicsOutput;
+  EFI_DEVICE_PATH_PROTOCOL              *GopDevicePath;
+
+  //
+  // The next two fields match the client-visible
+  // EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode field.
+  //
+  UINTN                                 MaxMode;
+  QEMU_VIDEO_MODE_DATA                  *ModeData;
+
+  QEMU_VIDEO_VARIANT                    Variant;
+  FRAME_BUFFER_CONFIGURE                *FrameBufferBltConfigure;
+  UINTN                                 FrameBufferBltConfigureSize;
+} QEMU_VIDEO_PRIVATE_DATA;
+
+///
+/// Card-specific Video Mode structures
+///
+typedef struct {
+  UINT32  Width;
+  UINT32  Height;
+  UINT32  ColorDepth;
+  UINT8   *CrtcSettings;
+  UINT16  *SeqSettings;
+  UINT8   MiscSetting;
+} QEMU_VIDEO_CIRRUS_MODES;
+
+typedef struct {
+  UINT32  Width;
+  UINT32  Height;
+  UINT32  ColorDepth;
+} QEMU_VIDEO_BOCHS_MODES;
+
+#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
+  CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
+
+
+//
+// Global Variables
+//
+extern UINT8                                      AttributeController[];
+extern UINT8                                      GraphicsController[];
+extern UINT8                                      Crtc_640_480_256_60[];
+extern UINT16                                     Seq_640_480_256_60[];
+extern UINT8                                      Crtc_800_600_256_60[];
+extern UINT16                                     Seq_800_600_256_60[];
+extern UINT8                                      Crtc_1024_768_256_60[];
+extern UINT16                                     Seq_1024_768_256_60[];
+extern QEMU_VIDEO_CIRRUS_MODES                    QemuVideoCirrusModes[];
+extern QEMU_VIDEO_BOCHS_MODES                     QemuVideoBochsModes[];
+extern EFI_DRIVER_BINDING_PROTOCOL                gQemuVideoDriverBinding;
+extern EFI_COMPONENT_NAME_PROTOCOL                gQemuVideoComponentName;
+extern EFI_COMPONENT_NAME2_PROTOCOL               gQemuVideoComponentName2;
+extern EFI_DRIVER_SUPPORTED_EFI_VERSION_PROTOCOL  gQemuVideoDriverSupportedEfiVersion;
+
+//
+// Io Registers defined by VGA
+//
+#define CRTC_ADDRESS_REGISTER   0x3d4
+#define CRTC_DATA_REGISTER      0x3d5
+#define SEQ_ADDRESS_REGISTER    0x3c4
+#define SEQ_DATA_REGISTER       0x3c5
+#define GRAPH_ADDRESS_REGISTER  0x3ce
+#define GRAPH_DATA_REGISTER     0x3cf
+#define ATT_ADDRESS_REGISTER    0x3c0
+#define MISC_OUTPUT_REGISTER    0x3c2
+#define INPUT_STATUS_1_REGISTER 0x3da
+#define DAC_PIXEL_MASK_REGISTER 0x3c6
+#define PALETTE_INDEX_REGISTER  0x3c8
+#define PALETTE_DATA_REGISTER   0x3c9
+
+#define VBE_DISPI_IOPORT_INDEX           0x01CE
+#define VBE_DISPI_IOPORT_DATA            0x01D0
+
+#define VBE_DISPI_INDEX_ID               0x0
+#define VBE_DISPI_INDEX_XRES             0x1
+#define VBE_DISPI_INDEX_YRES             0x2
+#define VBE_DISPI_INDEX_BPP              0x3
+#define VBE_DISPI_INDEX_ENABLE           0x4
+#define VBE_DISPI_INDEX_BANK             0x5
+#define VBE_DISPI_INDEX_VIRT_WIDTH       0x6
+#define VBE_DISPI_INDEX_VIRT_HEIGHT      0x7
+#define VBE_DISPI_INDEX_X_OFFSET         0x8
+#define VBE_DISPI_INDEX_Y_OFFSET         0x9
+#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
+
+#define VBE_DISPI_ID0                    0xB0C0
+#define VBE_DISPI_ID1                    0xB0C1
+#define VBE_DISPI_ID2                    0xB0C2
+#define VBE_DISPI_ID3                    0xB0C3
+#define VBE_DISPI_ID4                    0xB0C4
+#define VBE_DISPI_ID5                    0xB0C5
+
+#define VBE_DISPI_DISABLED               0x00
+#define VBE_DISPI_ENABLED                0x01
+#define VBE_DISPI_GETCAPS                0x02
+#define VBE_DISPI_8BIT_DAC               0x20
+#define VBE_DISPI_LFB_ENABLED            0x40
+#define VBE_DISPI_NOCLEARMEM             0x80
+
+//
+// Graphics Output Hardware abstraction internal worker functions
+//
+EFI_STATUS
+QemuVideoGraphicsOutputConstructor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  );
+
+EFI_STATUS
+QemuVideoGraphicsOutputDestructor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  );
+
+
+//
+// EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
+//
+/**
+  TODO: Add function description
+
+  @param  This TODO: add argument description
+  @param  Controller TODO: add argument description
+  @param  RemainingDevicePath TODO: add argument description
+
+  TODO: add return values
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverSupported (
+  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
+  IN EFI_HANDLE                   Controller,
+  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
+  );
+
+/**
+  TODO: Add function description
+
+  @param  This TODO: add argument description
+  @param  Controller TODO: add argument description
+  @param  RemainingDevicePath TODO: add argument description
+
+  TODO: add return values
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverStart (
+  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
+  IN EFI_HANDLE                   Controller,
+  IN EFI_DEVICE_PATH_PROTOCOL     *RemainingDevicePath
+  );
+
+/**
+  TODO: Add function description
+
+  @param  This TODO: add argument description
+  @param  Controller TODO: add argument description
+  @param  NumberOfChildren TODO: add argument description
+  @param  ChildHandleBuffer TODO: add argument description
+
+  TODO: add return values
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoControllerDriverStop (
+  IN EFI_DRIVER_BINDING_PROTOCOL  *This,
+  IN EFI_HANDLE                   Controller,
+  IN UINTN                        NumberOfChildren,
+  IN EFI_HANDLE                   *ChildHandleBuffer
+  );
+
+//
+// EFI Component Name Functions
+//
+/**
+  Retrieves a Unicode string that is the user readable name of the driver.
+
+  This function retrieves the user readable name of a driver in the form of a
+  Unicode string. If the driver specified by This has a user readable name in
+  the language specified by Language, then a pointer to the driver name is
+  returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
+  by This does not support the language specified by Language,
+  then EFI_UNSUPPORTED is returned.
+
+  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+                                EFI_COMPONENT_NAME_PROTOCOL instance.
+
+  @param  Language[in]          A pointer to a Null-terminated ASCII string
+                                array indicating the language. This is the
+                                language of the driver name that the caller is
+                                requesting, and it must match one of the
+                                languages specified in SupportedLanguages. The
+                                number of languages supported by a driver is up
+                                to the driver writer. Language is specified
+                                in RFC 4646 or ISO 639-2 language code format.
+
+  @param  DriverName[out]       A pointer to the Unicode string to return.
+                                This Unicode string is the name of the
+                                driver specified by This in the language
+                                specified by Language.
+
+  @retval EFI_SUCCESS           The Unicode string for the Driver specified by
+                                This and the language specified by Language was
+                                returned in DriverName.
+
+  @retval EFI_INVALID_PARAMETER Language is NULL.
+
+  @retval EFI_INVALID_PARAMETER DriverName is NULL.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This does not support
+                                the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoComponentNameGetDriverName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
+  IN  CHAR8                        *Language,
+  OUT CHAR16                       **DriverName
+  );
+
+
+/**
+  Retrieves a Unicode string that is the user readable name of the controller
+  that is being managed by a driver.
+
+  This function retrieves the user readable name of the controller specified by
+  ControllerHandle and ChildHandle in the form of a Unicode string. If the
+  driver specified by This has a user readable name in the language specified by
+  Language, then a pointer to the controller name is returned in ControllerName,
+  and EFI_SUCCESS is returned.  If the driver specified by This is not currently
+  managing the controller specified by ControllerHandle and ChildHandle,
+  then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
+  support the language specified by Language, then EFI_UNSUPPORTED is returned.
+
+  @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
+                                EFI_COMPONENT_NAME_PROTOCOL instance.
+
+  @param  ControllerHandle[in]  The handle of a controller that the driver
+                                specified by This is managing.  This handle
+                                specifies the controller whose name is to be
+                                returned.
+
+  @param  ChildHandle[in]       The handle of the child controller to retrieve
+                                the name of.  This is an optional parameter that
+                                may be NULL.  It will be NULL for device
+                                drivers.  It will also be NULL for a bus drivers
+                                that wish to retrieve the name of the bus
+                                controller.  It will not be NULL for a bus
+                                driver that wishes to retrieve the name of a
+                                child controller.
+
+  @param  Language[in]          A pointer to a Null-terminated ASCII string
+                                array indicating the language.  This is the
+                                language of the driver name that the caller is
+                                requesting, and it must match one of the
+                                languages specified in SupportedLanguages. The
+                                number of languages supported by a driver is up
+                                to the driver writer. Language is specified in
+                                RFC 4646 or ISO 639-2 language code format.
+
+  @param  ControllerName[out]   A pointer to the Unicode string to return.
+                                This Unicode string is the name of the
+                                controller specified by ControllerHandle and
+                                ChildHandle in the language specified by
+                                Language from the point of view of the driver
+                                specified by This.
+
+  @retval EFI_SUCCESS           The Unicode string for the user readable name in
+                                the language specified by Language for the
+                                driver specified by This was returned in
+                                DriverName.
+
+  @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
+
+  @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
+                                EFI_HANDLE.
+
+  @retval EFI_INVALID_PARAMETER Language is NULL.
+
+  @retval EFI_INVALID_PARAMETER ControllerName is NULL.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This is not currently
+                                managing the controller specified by
+                                ControllerHandle and ChildHandle.
+
+  @retval EFI_UNSUPPORTED       The driver specified by This does not support
+                                the language specified by Language.
+
+**/
+EFI_STATUS
+EFIAPI
+QemuVideoComponentNameGetControllerName (
+  IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
+  IN  EFI_HANDLE                                      ControllerHandle,
+  IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
+  IN  CHAR8                                           *Language,
+  OUT CHAR16                                          **ControllerName
+  );
+
+
+//
+// Local Function Prototypes
+//
+VOID
+InitializeCirrusGraphicsMode (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  QEMU_VIDEO_CIRRUS_MODES  *ModeData
+  );
+
+VOID
+InitializeBochsGraphicsMode (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  QEMU_VIDEO_BOCHS_MODES   *ModeData
+  );
+
+VOID
+SetPaletteColor (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Index,
+  UINT8                           Red,
+  UINT8                           Green,
+  UINT8                           Blue
+  );
+
+VOID
+SetDefaultPalette (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  );
+
+VOID
+DrawLogo (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           ScreenWidth,
+  UINTN                           ScreenHeight
+  );
+
+VOID
+outb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address,
+  UINT8                           Data
+  );
+
+VOID
+outw (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address,
+  UINT16                          Data
+  );
+
+UINT8
+inb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address
+  );
+
+UINT16
+inw (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                           Address
+  );
+
+VOID
+BochsWrite (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINT16                   Reg,
+  UINT16                   Data
+  );
+
+UINT16
+BochsRead (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINT16                   Reg
+  );
+
+VOID
+VgaOutb (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  UINTN                    Reg,
+  UINT8                    Data
+  );
+
+EFI_STATUS
+QemuVideoCirrusModeSetup (
+  QEMU_VIDEO_PRIVATE_DATA  *Private
+  );
+
+EFI_STATUS
+QemuVideoBochsModeSetup (
+  QEMU_VIDEO_PRIVATE_DATA  *Private,
+  BOOLEAN                  IsQxl
+  );
+
+VOID
+InstallVbeShim (
+  IN CONST CHAR16         *CardName,
+  IN EFI_PHYSICAL_ADDRESS FrameBufferBase
+  );
+#endif
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
new file mode 100644
index 0000000000..8370559016
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/QemuVideoDxe.inf
@@ -0,0 +1,73 @@
+## @file
+#  This driver is a sample implementation of the Graphics Output Protocol for
+#  the QEMU (Cirrus Logic 5446) video controller.
+#
+# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved. <BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = QemuVideoDxe
+  FILE_GUID                      = e3752948-b9a1-4770-90c4-df41c38986be
+  MODULE_TYPE                    = UEFI_DRIVER
+  VERSION_STRING                 = 1.0
+
+  ENTRY_POINT                    = InitializeQemuVideo
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64 EBC
+#
+#  DRIVER_BINDING                =  gQemuVideoDriverBinding
+#  COMPONENT_NAME                =  gQemuVideoComponentName
+#
+
+[Sources.common]
+  ComponentName.c
+  Driver.c
+  DriverSupportedEfiVersion.c
+  Gop.c
+  Initialize.c
+  Qemu.h
+
+[Sources.Ia32, Sources.X64]
+  VbeShim.c
+  VbeShim.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  OptionRomPkg/OptionRomPkg.dec
+  OvmfPkg/OvmfPkg.dec
+  SimicsOpenBoardPkg/SimicsOpenBoardPkg.dec
+
+[LibraryClasses]
+  BaseMemoryLib
+  FrameBufferBltLib
+  DebugLib
+  DevicePathLib
+  MemoryAllocationLib
+  PcdLib
+  PciLib
+  PrintLib
+  TimerLib
+  UefiBootServicesTableLib
+  UefiDriverEntryPoint
+  UefiLib
+  S3BootScriptLib
+
+[Protocols]
+  gEfiDriverSupportedEfiVersionProtocolGuid     # PROTOCOL ALWAYS_PRODUCED
+  gEfiGraphicsOutputProtocolGuid                # PROTOCOL BY_START
+  gEfiDevicePathProtocolGuid                    # PROTOCOL BY_START
+  gEfiPciIoProtocolGuid                         # PROTOCOL TO_START
+  gEfiDxeSmmReadyToLockProtocolGuid
+
+[Pcd]
+  gOptionRomPkgTokenSpaceGuid.PcdDriverSupportedEfiVersion
+  gSimicsX58PkgTokenSpaceGuid.PcdSimicsX58HostBridgePciDevId
+  gEfiMdeModulePkgTokenSpaceGuid.PcdNullPointerDetectionPropertyMask
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.asm b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.asm
new file mode 100644
index 0000000000..cb2a60d827
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.asm
@@ -0,0 +1,281 @@
+;------------------------------------------------------------------------------
+; @file
+; A minimal Int10h stub that allows the Windows 2008 R2 SP1 UEFI guest's buggy,
+; default VGA driver to switch to 1024x768x32, on the stdvga and QXL video
+; cards of QEMU.
+;
+; Copyright (C) 2014, Red Hat, Inc.
+; Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+;
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+;------------------------------------------------------------------------------
+
+; enable this macro for debug messages
+;%define DEBUG
+
+%macro DebugLog 1
+%ifdef DEBUG
+  push       si
+  mov        si, %1
+  call       PrintStringSi
+  pop        si
+%endif
+%endmacro
+
+
+BITS 16
+ORG 0
+
+VbeInfo:
+TIMES 256 nop
+
+VbeModeInfo:
+TIMES 256 nop
+
+
+Handler:
+  cmp        ax, 0x4f00
+  je         GetInfo
+  cmp        ax, 0x4f01
+  je         GetModeInfo
+  cmp        ax, 0x4f02
+  je         SetMode
+  cmp        ax, 0x4f03
+  je         GetMode
+  cmp        ax, 0x4f10
+  je         GetPmCapabilities
+  cmp        ax, 0x4f15
+  je         ReadEdid
+  cmp        ah, 0x00
+  je         SetModeLegacy
+  DebugLog   StrUnkownFunction
+Hang:
+  jmp        Hang
+
+
+GetInfo:
+  push       es
+  push       di
+  push       ds
+  push       si
+  push       cx
+
+  DebugLog   StrEnterGetInfo
+
+  ; target (es:di) set on input
+  push       cs
+  pop        ds
+  mov        si, VbeInfo
+  ; source (ds:si) set now
+
+  mov        cx, 256
+  cld
+  rep movsb
+
+  pop        cx
+  pop        si
+  pop        ds
+  pop        di
+  pop        es
+  jmp        Success
+
+
+GetModeInfo:
+  push       es
+  push       di
+  push       ds
+  push       si
+  push       cx
+
+  DebugLog   StrEnterGetModeInfo
+
+  and        cx, ~0x4000 ; clear potentially set LFB bit in mode number
+  cmp        cx, 0x00f1
+  je         KnownMode1
+  DebugLog   StrUnkownMode
+  jmp        Hang
+KnownMode1:
+  ; target (es:di) set on input
+  push       cs
+  pop        ds
+  mov        si, VbeModeInfo
+  ; source (ds:si) set now
+
+  mov        cx, 256
+  cld
+  rep movsb
+
+  pop        cx
+  pop        si
+  pop        ds
+  pop        di
+  pop        es
+  jmp        Success
+
+
+%define ATT_ADDRESS_REGISTER   0x03c0
+%define VBE_DISPI_IOPORT_INDEX 0x01ce
+%define VBE_DISPI_IOPORT_DATA  0x01d0
+
+%define VBE_DISPI_INDEX_XRES        0x1
+%define VBE_DISPI_INDEX_YRES        0x2
+%define VBE_DISPI_INDEX_BPP         0x3
+%define VBE_DISPI_INDEX_ENABLE      0x4
+%define VBE_DISPI_INDEX_BANK        0x5
+%define VBE_DISPI_INDEX_VIRT_WIDTH  0x6
+%define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
+%define VBE_DISPI_INDEX_X_OFFSET    0x8
+%define VBE_DISPI_INDEX_Y_OFFSET    0x9
+
+%define VBE_DISPI_ENABLED     0x01
+%define VBE_DISPI_LFB_ENABLED 0x40
+
+%macro BochsWrite 2
+  push       dx
+  push       ax
+
+  mov        dx, VBE_DISPI_IOPORT_INDEX
+  mov        ax, %1
+  out        dx, ax
+
+  mov        dx, VBE_DISPI_IOPORT_DATA
+  mov        ax, %2
+  out        dx, ax
+
+  pop        ax
+  pop        dx
+%endmacro
+
+SetMode:
+  push       dx
+  push       ax
+
+  DebugLog   StrEnterSetMode
+
+  cmp        bx, 0x40f1
+  je         KnownMode2
+  DebugLog   StrUnkownMode
+  jmp        Hang
+KnownMode2:
+
+  ; unblank
+  mov        dx, ATT_ADDRESS_REGISTER
+  mov        al, 0x20
+  out        dx, al
+
+  BochsWrite VBE_DISPI_INDEX_ENABLE,        0
+  BochsWrite VBE_DISPI_INDEX_BANK,          0
+  BochsWrite VBE_DISPI_INDEX_X_OFFSET,      0
+  BochsWrite VBE_DISPI_INDEX_Y_OFFSET,      0
+  BochsWrite VBE_DISPI_INDEX_BPP,          32
+  BochsWrite VBE_DISPI_INDEX_XRES,       1024
+  BochsWrite VBE_DISPI_INDEX_VIRT_WIDTH, 1024
+  BochsWrite VBE_DISPI_INDEX_YRES,        768
+  BochsWrite VBE_DISPI_INDEX_VIRT_HEIGHT, 768
+  BochsWrite VBE_DISPI_INDEX_ENABLE, VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED
+
+  pop        ax
+  pop        dx
+  jmp        Success
+
+
+GetMode:
+  DebugLog   StrEnterGetMode
+  mov        bx, 0x40f1
+  jmp        Success
+
+
+GetPmCapabilities:
+  DebugLog   StrGetPmCapabilities
+  jmp        Unsupported
+
+
+ReadEdid:
+  DebugLog   StrReadEdid
+  jmp        Unsupported
+
+
+SetModeLegacy:
+  DebugLog   StrEnterSetModeLegacy
+
+  cmp        al, 0x03
+  je         KnownMode3
+  cmp        al, 0x12
+  je         KnownMode4
+  DebugLog   StrUnkownMode
+  jmp        Hang
+KnownMode3:
+  mov        al, 0x30
+  jmp        SetModeLegacyDone
+KnownMode4:
+  mov        al, 0x20
+SetModeLegacyDone:
+  DebugLog   StrExitSuccess
+  iret
+
+
+Success:
+  DebugLog   StrExitSuccess
+  mov        ax, 0x004f
+  iret
+
+
+Unsupported:
+  DebugLog   StrExitUnsupported
+  mov        ax, 0x014f
+  iret
+
+
+%ifdef DEBUG
+PrintStringSi:
+  pusha
+  push       ds ; save original
+  push       cs
+  pop        ds
+  mov        dx, 0x0402
+PrintStringSiLoop:
+  lodsb
+  cmp        al, 0
+  je         PrintStringSiDone
+  out        dx, al
+  jmp        PrintStringSiLoop
+PrintStringSiDone:
+  pop        ds ; restore original
+  popa
+  ret
+
+
+StrExitSuccess:
+  db 'Exit', 0x0a, 0
+
+StrExitUnsupported:
+  db 'Unsupported', 0x0a, 0
+
+StrUnkownFunction:
+  db 'Unknown Function', 0x0a, 0
+
+StrEnterGetInfo:
+  db 'GetInfo', 0x0a, 0
+
+StrEnterGetModeInfo:
+  db 'GetModeInfo', 0x0a, 0
+
+StrEnterGetMode:
+  db 'GetMode', 0x0a, 0
+
+StrEnterSetMode:
+  db 'SetMode', 0x0a, 0
+
+StrEnterSetModeLegacy:
+  db 'SetModeLegacy', 0x0a, 0
+
+StrUnkownMode:
+  db 'Unkown Mode', 0x0a, 0
+
+StrGetPmCapabilities:
+  db 'GetPmCapabilities', 0x0a, 0
+
+StrReadEdid:
+  db 'ReadEdid', 0x0a, 0
+%endif
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.h
new file mode 100644
index 0000000000..cc9b6e14cd
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.h
@@ -0,0 +1,701 @@
+//
+// THIS FILE WAS GENERATED BY "VbeShim.sh". DO NOT EDIT.
+//
+#ifndef _VBE_SHIM_H_
+#define _VBE_SHIM_H_
+STATIC CONST UINT8 mVbeShim[] = {
+  /* 00000000 nop                            */  0x90,
+  /* 00000001 nop                            */  0x90,
+  /* 00000002 nop                            */  0x90,
+  /* 00000003 nop                            */  0x90,
+  /* 00000004 nop                            */  0x90,
+  /* 00000005 nop                            */  0x90,
+  /* 00000006 nop                            */  0x90,
+  /* 00000007 nop                            */  0x90,
+  /* 00000008 nop                            */  0x90,
+  /* 00000009 nop                            */  0x90,
+  /* 0000000A nop                            */  0x90,
+  /* 0000000B nop                            */  0x90,
+  /* 0000000C nop                            */  0x90,
+  /* 0000000D nop                            */  0x90,
+  /* 0000000E nop                            */  0x90,
+  /* 0000000F nop                            */  0x90,
+  /* 00000010 nop                            */  0x90,
+  /* 00000011 nop                            */  0x90,
+  /* 00000012 nop                            */  0x90,
+  /* 00000013 nop                            */  0x90,
+  /* 00000014 nop                            */  0x90,
+  /* 00000015 nop                            */  0x90,
+  /* 00000016 nop                            */  0x90,
+  /* 00000017 nop                            */  0x90,
+  /* 00000018 nop                            */  0x90,
+  /* 00000019 nop                            */  0x90,
+  /* 0000001A nop                            */  0x90,
+  /* 0000001B nop                            */  0x90,
+  /* 0000001C nop                            */  0x90,
+  /* 0000001D nop                            */  0x90,
+  /* 0000001E nop                            */  0x90,
+  /* 0000001F nop                            */  0x90,
+  /* 00000020 nop                            */  0x90,
+  /* 00000021 nop                            */  0x90,
+  /* 00000022 nop                            */  0x90,
+  /* 00000023 nop                            */  0x90,
+  /* 00000024 nop                            */  0x90,
+  /* 00000025 nop                            */  0x90,
+  /* 00000026 nop                            */  0x90,
+  /* 00000027 nop                            */  0x90,
+  /* 00000028 nop                            */  0x90,
+  /* 00000029 nop                            */  0x90,
+  /* 0000002A nop                            */  0x90,
+  /* 0000002B nop                            */  0x90,
+  /* 0000002C nop                            */  0x90,
+  /* 0000002D nop                            */  0x90,
+  /* 0000002E nop                            */  0x90,
+  /* 0000002F nop                            */  0x90,
+  /* 00000030 nop                            */  0x90,
+  /* 00000031 nop                            */  0x90,
+  /* 00000032 nop                            */  0x90,
+  /* 00000033 nop                            */  0x90,
+  /* 00000034 nop                            */  0x90,
+  /* 00000035 nop                            */  0x90,
+  /* 00000036 nop                            */  0x90,
+  /* 00000037 nop                            */  0x90,
+  /* 00000038 nop                            */  0x90,
+  /* 00000039 nop                            */  0x90,
+  /* 0000003A nop                            */  0x90,
+  /* 0000003B nop                            */  0x90,
+  /* 0000003C nop                            */  0x90,
+  /* 0000003D nop                            */  0x90,
+  /* 0000003E nop                            */  0x90,
+  /* 0000003F nop                            */  0x90,
+  /* 00000040 nop                            */  0x90,
+  /* 00000041 nop                            */  0x90,
+  /* 00000042 nop                            */  0x90,
+  /* 00000043 nop                            */  0x90,
+  /* 00000044 nop                            */  0x90,
+  /* 00000045 nop                            */  0x90,
+  /* 00000046 nop                            */  0x90,
+  /* 00000047 nop                            */  0x90,
+  /* 00000048 nop                            */  0x90,
+  /* 00000049 nop                            */  0x90,
+  /* 0000004A nop                            */  0x90,
+  /* 0000004B nop                            */  0x90,
+  /* 0000004C nop                            */  0x90,
+  /* 0000004D nop                            */  0x90,
+  /* 0000004E nop                            */  0x90,
+  /* 0000004F nop                            */  0x90,
+  /* 00000050 nop                            */  0x90,
+  /* 00000051 nop                            */  0x90,
+  /* 00000052 nop                            */  0x90,
+  /* 00000053 nop                            */  0x90,
+  /* 00000054 nop                            */  0x90,
+  /* 00000055 nop                            */  0x90,
+  /* 00000056 nop                            */  0x90,
+  /* 00000057 nop                            */  0x90,
+  /* 00000058 nop                            */  0x90,
+  /* 00000059 nop                            */  0x90,
+  /* 0000005A nop                            */  0x90,
+  /* 0000005B nop                            */  0x90,
+  /* 0000005C nop                            */  0x90,
+  /* 0000005D nop                            */  0x90,
+  /* 0000005E nop                            */  0x90,
+  /* 0000005F nop                            */  0x90,
+  /* 00000060 nop                            */  0x90,
+  /* 00000061 nop                            */  0x90,
+  /* 00000062 nop                            */  0x90,
+  /* 00000063 nop                            */  0x90,
+  /* 00000064 nop                            */  0x90,
+  /* 00000065 nop                            */  0x90,
+  /* 00000066 nop                            */  0x90,
+  /* 00000067 nop                            */  0x90,
+  /* 00000068 nop                            */  0x90,
+  /* 00000069 nop                            */  0x90,
+  /* 0000006A nop                            */  0x90,
+  /* 0000006B nop                            */  0x90,
+  /* 0000006C nop                            */  0x90,
+  /* 0000006D nop                            */  0x90,
+  /* 0000006E nop                            */  0x90,
+  /* 0000006F nop                            */  0x90,
+  /* 00000070 nop                            */  0x90,
+  /* 00000071 nop                            */  0x90,
+  /* 00000072 nop                            */  0x90,
+  /* 00000073 nop                            */  0x90,
+  /* 00000074 nop                            */  0x90,
+  /* 00000075 nop                            */  0x90,
+  /* 00000076 nop                            */  0x90,
+  /* 00000077 nop                            */  0x90,
+  /* 00000078 nop                            */  0x90,
+  /* 00000079 nop                            */  0x90,
+  /* 0000007A nop                            */  0x90,
+  /* 0000007B nop                            */  0x90,
+  /* 0000007C nop                            */  0x90,
+  /* 0000007D nop                            */  0x90,
+  /* 0000007E nop                            */  0x90,
+  /* 0000007F nop                            */  0x90,
+  /* 00000080 nop                            */  0x90,
+  /* 00000081 nop                            */  0x90,
+  /* 00000082 nop                            */  0x90,
+  /* 00000083 nop                            */  0x90,
+  /* 00000084 nop                            */  0x90,
+  /* 00000085 nop                            */  0x90,
+  /* 00000086 nop                            */  0x90,
+  /* 00000087 nop                            */  0x90,
+  /* 00000088 nop                            */  0x90,
+  /* 00000089 nop                            */  0x90,
+  /* 0000008A nop                            */  0x90,
+  /* 0000008B nop                            */  0x90,
+  /* 0000008C nop                            */  0x90,
+  /* 0000008D nop                            */  0x90,
+  /* 0000008E nop                            */  0x90,
+  /* 0000008F nop                            */  0x90,
+  /* 00000090 nop                            */  0x90,
+  /* 00000091 nop                            */  0x90,
+  /* 00000092 nop                            */  0x90,
+  /* 00000093 nop                            */  0x90,
+  /* 00000094 nop                            */  0x90,
+  /* 00000095 nop                            */  0x90,
+  /* 00000096 nop                            */  0x90,
+  /* 00000097 nop                            */  0x90,
+  /* 00000098 nop                            */  0x90,
+  /* 00000099 nop                            */  0x90,
+  /* 0000009A nop                            */  0x90,
+  /* 0000009B nop                            */  0x90,
+  /* 0000009C nop                            */  0x90,
+  /* 0000009D nop                            */  0x90,
+  /* 0000009E nop                            */  0x90,
+  /* 0000009F nop                            */  0x90,
+  /* 000000A0 nop                            */  0x90,
+  /* 000000A1 nop                            */  0x90,
+  /* 000000A2 nop                            */  0x90,
+  /* 000000A3 nop                            */  0x90,
+  /* 000000A4 nop                            */  0x90,
+  /* 000000A5 nop                            */  0x90,
+  /* 000000A6 nop                            */  0x90,
+  /* 000000A7 nop                            */  0x90,
+  /* 000000A8 nop                            */  0x90,
+  /* 000000A9 nop                            */  0x90,
+  /* 000000AA nop                            */  0x90,
+  /* 000000AB nop                            */  0x90,
+  /* 000000AC nop                            */  0x90,
+  /* 000000AD nop                            */  0x90,
+  /* 000000AE nop                            */  0x90,
+  /* 000000AF nop                            */  0x90,
+  /* 000000B0 nop                            */  0x90,
+  /* 000000B1 nop                            */  0x90,
+  /* 000000B2 nop                            */  0x90,
+  /* 000000B3 nop                            */  0x90,
+  /* 000000B4 nop                            */  0x90,
+  /* 000000B5 nop                            */  0x90,
+  /* 000000B6 nop                            */  0x90,
+  /* 000000B7 nop                            */  0x90,
+  /* 000000B8 nop                            */  0x90,
+  /* 000000B9 nop                            */  0x90,
+  /* 000000BA nop                            */  0x90,
+  /* 000000BB nop                            */  0x90,
+  /* 000000BC nop                            */  0x90,
+  /* 000000BD nop                            */  0x90,
+  /* 000000BE nop                            */  0x90,
+  /* 000000BF nop                            */  0x90,
+  /* 000000C0 nop                            */  0x90,
+  /* 000000C1 nop                            */  0x90,
+  /* 000000C2 nop                            */  0x90,
+  /* 000000C3 nop                            */  0x90,
+  /* 000000C4 nop                            */  0x90,
+  /* 000000C5 nop                            */  0x90,
+  /* 000000C6 nop                            */  0x90,
+  /* 000000C7 nop                            */  0x90,
+  /* 000000C8 nop                            */  0x90,
+  /* 000000C9 nop                            */  0x90,
+  /* 000000CA nop                            */  0x90,
+  /* 000000CB nop                            */  0x90,
+  /* 000000CC nop                            */  0x90,
+  /* 000000CD nop                            */  0x90,
+  /* 000000CE nop                            */  0x90,
+  /* 000000CF nop                            */  0x90,
+  /* 000000D0 nop                            */  0x90,
+  /* 000000D1 nop                            */  0x90,
+  /* 000000D2 nop                            */  0x90,
+  /* 000000D3 nop                            */  0x90,
+  /* 000000D4 nop                            */  0x90,
+  /* 000000D5 nop                            */  0x90,
+  /* 000000D6 nop                            */  0x90,
+  /* 000000D7 nop                            */  0x90,
+  /* 000000D8 nop                            */  0x90,
+  /* 000000D9 nop                            */  0x90,
+  /* 000000DA nop                            */  0x90,
+  /* 000000DB nop                            */  0x90,
+  /* 000000DC nop                            */  0x90,
+  /* 000000DD nop                            */  0x90,
+  /* 000000DE nop                            */  0x90,
+  /* 000000DF nop                            */  0x90,
+  /* 000000E0 nop                            */  0x90,
+  /* 000000E1 nop                            */  0x90,
+  /* 000000E2 nop                            */  0x90,
+  /* 000000E3 nop                            */  0x90,
+  /* 000000E4 nop                            */  0x90,
+  /* 000000E5 nop                            */  0x90,
+  /* 000000E6 nop                            */  0x90,
+  /* 000000E7 nop                            */  0x90,
+  /* 000000E8 nop                            */  0x90,
+  /* 000000E9 nop                            */  0x90,
+  /* 000000EA nop                            */  0x90,
+  /* 000000EB nop                            */  0x90,
+  /* 000000EC nop                            */  0x90,
+  /* 000000ED nop                            */  0x90,
+  /* 000000EE nop                            */  0x90,
+  /* 000000EF nop                            */  0x90,
+  /* 000000F0 nop                            */  0x90,
+  /* 000000F1 nop                            */  0x90,
+  /* 000000F2 nop                            */  0x90,
+  /* 000000F3 nop                            */  0x90,
+  /* 000000F4 nop                            */  0x90,
+  /* 000000F5 nop                            */  0x90,
+  /* 000000F6 nop                            */  0x90,
+  /* 000000F7 nop                            */  0x90,
+  /* 000000F8 nop                            */  0x90,
+  /* 000000F9 nop                            */  0x90,
+  /* 000000FA nop                            */  0x90,
+  /* 000000FB nop                            */  0x90,
+  /* 000000FC nop                            */  0x90,
+  /* 000000FD nop                            */  0x90,
+  /* 000000FE nop                            */  0x90,
+  /* 000000FF nop                            */  0x90,
+  /* 00000100 nop                            */  0x90,
+  /* 00000101 nop                            */  0x90,
+  /* 00000102 nop                            */  0x90,
+  /* 00000103 nop                            */  0x90,
+  /* 00000104 nop                            */  0x90,
+  /* 00000105 nop                            */  0x90,
+  /* 00000106 nop                            */  0x90,
+  /* 00000107 nop                            */  0x90,
+  /* 00000108 nop                            */  0x90,
+  /* 00000109 nop                            */  0x90,
+  /* 0000010A nop                            */  0x90,
+  /* 0000010B nop                            */  0x90,
+  /* 0000010C nop                            */  0x90,
+  /* 0000010D nop                            */  0x90,
+  /* 0000010E nop                            */  0x90,
+  /* 0000010F nop                            */  0x90,
+  /* 00000110 nop                            */  0x90,
+  /* 00000111 nop                            */  0x90,
+  /* 00000112 nop                            */  0x90,
+  /* 00000113 nop                            */  0x90,
+  /* 00000114 nop                            */  0x90,
+  /* 00000115 nop                            */  0x90,
+  /* 00000116 nop                            */  0x90,
+  /* 00000117 nop                            */  0x90,
+  /* 00000118 nop                            */  0x90,
+  /* 00000119 nop                            */  0x90,
+  /* 0000011A nop                            */  0x90,
+  /* 0000011B nop                            */  0x90,
+  /* 0000011C nop                            */  0x90,
+  /* 0000011D nop                            */  0x90,
+  /* 0000011E nop                            */  0x90,
+  /* 0000011F nop                            */  0x90,
+  /* 00000120 nop                            */  0x90,
+  /* 00000121 nop                            */  0x90,
+  /* 00000122 nop                            */  0x90,
+  /* 00000123 nop                            */  0x90,
+  /* 00000124 nop                            */  0x90,
+  /* 00000125 nop                            */  0x90,
+  /* 00000126 nop                            */  0x90,
+  /* 00000127 nop                            */  0x90,
+  /* 00000128 nop                            */  0x90,
+  /* 00000129 nop                            */  0x90,
+  /* 0000012A nop                            */  0x90,
+  /* 0000012B nop                            */  0x90,
+  /* 0000012C nop                            */  0x90,
+  /* 0000012D nop                            */  0x90,
+  /* 0000012E nop                            */  0x90,
+  /* 0000012F nop                            */  0x90,
+  /* 00000130 nop                            */  0x90,
+  /* 00000131 nop                            */  0x90,
+  /* 00000132 nop                            */  0x90,
+  /* 00000133 nop                            */  0x90,
+  /* 00000134 nop                            */  0x90,
+  /* 00000135 nop                            */  0x90,
+  /* 00000136 nop                            */  0x90,
+  /* 00000137 nop                            */  0x90,
+  /* 00000138 nop                            */  0x90,
+  /* 00000139 nop                            */  0x90,
+  /* 0000013A nop                            */  0x90,
+  /* 0000013B nop                            */  0x90,
+  /* 0000013C nop                            */  0x90,
+  /* 0000013D nop                            */  0x90,
+  /* 0000013E nop                            */  0x90,
+  /* 0000013F nop                            */  0x90,
+  /* 00000140 nop                            */  0x90,
+  /* 00000141 nop                            */  0x90,
+  /* 00000142 nop                            */  0x90,
+  /* 00000143 nop                            */  0x90,
+  /* 00000144 nop                            */  0x90,
+  /* 00000145 nop                            */  0x90,
+  /* 00000146 nop                            */  0x90,
+  /* 00000147 nop                            */  0x90,
+  /* 00000148 nop                            */  0x90,
+  /* 00000149 nop                            */  0x90,
+  /* 0000014A nop                            */  0x90,
+  /* 0000014B nop                            */  0x90,
+  /* 0000014C nop                            */  0x90,
+  /* 0000014D nop                            */  0x90,
+  /* 0000014E nop                            */  0x90,
+  /* 0000014F nop                            */  0x90,
+  /* 00000150 nop                            */  0x90,
+  /* 00000151 nop                            */  0x90,
+  /* 00000152 nop                            */  0x90,
+  /* 00000153 nop                            */  0x90,
+  /* 00000154 nop                            */  0x90,
+  /* 00000155 nop                            */  0x90,
+  /* 00000156 nop                            */  0x90,
+  /* 00000157 nop                            */  0x90,
+  /* 00000158 nop                            */  0x90,
+  /* 00000159 nop                            */  0x90,
+  /* 0000015A nop                            */  0x90,
+  /* 0000015B nop                            */  0x90,
+  /* 0000015C nop                            */  0x90,
+  /* 0000015D nop                            */  0x90,
+  /* 0000015E nop                            */  0x90,
+  /* 0000015F nop                            */  0x90,
+  /* 00000160 nop                            */  0x90,
+  /* 00000161 nop                            */  0x90,
+  /* 00000162 nop                            */  0x90,
+  /* 00000163 nop                            */  0x90,
+  /* 00000164 nop                            */  0x90,
+  /* 00000165 nop                            */  0x90,
+  /* 00000166 nop                            */  0x90,
+  /* 00000167 nop                            */  0x90,
+  /* 00000168 nop                            */  0x90,
+  /* 00000169 nop                            */  0x90,
+  /* 0000016A nop                            */  0x90,
+  /* 0000016B nop                            */  0x90,
+  /* 0000016C nop                            */  0x90,
+  /* 0000016D nop                            */  0x90,
+  /* 0000016E nop                            */  0x90,
+  /* 0000016F nop                            */  0x90,
+  /* 00000170 nop                            */  0x90,
+  /* 00000171 nop                            */  0x90,
+  /* 00000172 nop                            */  0x90,
+  /* 00000173 nop                            */  0x90,
+  /* 00000174 nop                            */  0x90,
+  /* 00000175 nop                            */  0x90,
+  /* 00000176 nop                            */  0x90,
+  /* 00000177 nop                            */  0x90,
+  /* 00000178 nop                            */  0x90,
+  /* 00000179 nop                            */  0x90,
+  /* 0000017A nop                            */  0x90,
+  /* 0000017B nop                            */  0x90,
+  /* 0000017C nop                            */  0x90,
+  /* 0000017D nop                            */  0x90,
+  /* 0000017E nop                            */  0x90,
+  /* 0000017F nop                            */  0x90,
+  /* 00000180 nop                            */  0x90,
+  /* 00000181 nop                            */  0x90,
+  /* 00000182 nop                            */  0x90,
+  /* 00000183 nop                            */  0x90,
+  /* 00000184 nop                            */  0x90,
+  /* 00000185 nop                            */  0x90,
+  /* 00000186 nop                            */  0x90,
+  /* 00000187 nop                            */  0x90,
+  /* 00000188 nop                            */  0x90,
+  /* 00000189 nop                            */  0x90,
+  /* 0000018A nop                            */  0x90,
+  /* 0000018B nop                            */  0x90,
+  /* 0000018C nop                            */  0x90,
+  /* 0000018D nop                            */  0x90,
+  /* 0000018E nop                            */  0x90,
+  /* 0000018F nop                            */  0x90,
+  /* 00000190 nop                            */  0x90,
+  /* 00000191 nop                            */  0x90,
+  /* 00000192 nop                            */  0x90,
+  /* 00000193 nop                            */  0x90,
+  /* 00000194 nop                            */  0x90,
+  /* 00000195 nop                            */  0x90,
+  /* 00000196 nop                            */  0x90,
+  /* 00000197 nop                            */  0x90,
+  /* 00000198 nop                            */  0x90,
+  /* 00000199 nop                            */  0x90,
+  /* 0000019A nop                            */  0x90,
+  /* 0000019B nop                            */  0x90,
+  /* 0000019C nop                            */  0x90,
+  /* 0000019D nop                            */  0x90,
+  /* 0000019E nop                            */  0x90,
+  /* 0000019F nop                            */  0x90,
+  /* 000001A0 nop                            */  0x90,
+  /* 000001A1 nop                            */  0x90,
+  /* 000001A2 nop                            */  0x90,
+  /* 000001A3 nop                            */  0x90,
+  /* 000001A4 nop                            */  0x90,
+  /* 000001A5 nop                            */  0x90,
+  /* 000001A6 nop                            */  0x90,
+  /* 000001A7 nop                            */  0x90,
+  /* 000001A8 nop                            */  0x90,
+  /* 000001A9 nop                            */  0x90,
+  /* 000001AA nop                            */  0x90,
+  /* 000001AB nop                            */  0x90,
+  /* 000001AC nop                            */  0x90,
+  /* 000001AD nop                            */  0x90,
+  /* 000001AE nop                            */  0x90,
+  /* 000001AF nop                            */  0x90,
+  /* 000001B0 nop                            */  0x90,
+  /* 000001B1 nop                            */  0x90,
+  /* 000001B2 nop                            */  0x90,
+  /* 000001B3 nop                            */  0x90,
+  /* 000001B4 nop                            */  0x90,
+  /* 000001B5 nop                            */  0x90,
+  /* 000001B6 nop                            */  0x90,
+  /* 000001B7 nop                            */  0x90,
+  /* 000001B8 nop                            */  0x90,
+  /* 000001B9 nop                            */  0x90,
+  /* 000001BA nop                            */  0x90,
+  /* 000001BB nop                            */  0x90,
+  /* 000001BC nop                            */  0x90,
+  /* 000001BD nop                            */  0x90,
+  /* 000001BE nop                            */  0x90,
+  /* 000001BF nop                            */  0x90,
+  /* 000001C0 nop                            */  0x90,
+  /* 000001C1 nop                            */  0x90,
+  /* 000001C2 nop                            */  0x90,
+  /* 000001C3 nop                            */  0x90,
+  /* 000001C4 nop                            */  0x90,
+  /* 000001C5 nop                            */  0x90,
+  /* 000001C6 nop                            */  0x90,
+  /* 000001C7 nop                            */  0x90,
+  /* 000001C8 nop                            */  0x90,
+  /* 000001C9 nop                            */  0x90,
+  /* 000001CA nop                            */  0x90,
+  /* 000001CB nop                            */  0x90,
+  /* 000001CC nop                            */  0x90,
+  /* 000001CD nop                            */  0x90,
+  /* 000001CE nop                            */  0x90,
+  /* 000001CF nop                            */  0x90,
+  /* 000001D0 nop                            */  0x90,
+  /* 000001D1 nop                            */  0x90,
+  /* 000001D2 nop                            */  0x90,
+  /* 000001D3 nop                            */  0x90,
+  /* 000001D4 nop                            */  0x90,
+  /* 000001D5 nop                            */  0x90,
+  /* 000001D6 nop                            */  0x90,
+  /* 000001D7 nop                            */  0x90,
+  /* 000001D8 nop                            */  0x90,
+  /* 000001D9 nop                            */  0x90,
+  /* 000001DA nop                            */  0x90,
+  /* 000001DB nop                            */  0x90,
+  /* 000001DC nop                            */  0x90,
+  /* 000001DD nop                            */  0x90,
+  /* 000001DE nop                            */  0x90,
+  /* 000001DF nop                            */  0x90,
+  /* 000001E0 nop                            */  0x90,
+  /* 000001E1 nop                            */  0x90,
+  /* 000001E2 nop                            */  0x90,
+  /* 000001E3 nop                            */  0x90,
+  /* 000001E4 nop                            */  0x90,
+  /* 000001E5 nop                            */  0x90,
+  /* 000001E6 nop                            */  0x90,
+  /* 000001E7 nop                            */  0x90,
+  /* 000001E8 nop                            */  0x90,
+  /* 000001E9 nop                            */  0x90,
+  /* 000001EA nop                            */  0x90,
+  /* 000001EB nop                            */  0x90,
+  /* 000001EC nop                            */  0x90,
+  /* 000001ED nop                            */  0x90,
+  /* 000001EE nop                            */  0x90,
+  /* 000001EF nop                            */  0x90,
+  /* 000001F0 nop                            */  0x90,
+  /* 000001F1 nop                            */  0x90,
+  /* 000001F2 nop                            */  0x90,
+  /* 000001F3 nop                            */  0x90,
+  /* 000001F4 nop                            */  0x90,
+  /* 000001F5 nop                            */  0x90,
+  /* 000001F6 nop                            */  0x90,
+  /* 000001F7 nop                            */  0x90,
+  /* 000001F8 nop                            */  0x90,
+  /* 000001F9 nop                            */  0x90,
+  /* 000001FA nop                            */  0x90,
+  /* 000001FB nop                            */  0x90,
+  /* 000001FC nop                            */  0x90,
+  /* 000001FD nop                            */  0x90,
+  /* 000001FE nop                            */  0x90,
+  /* 000001FF nop                            */  0x90,
+  /* 00000200 cmp ax,0x4f00                  */  0x3D, 0x00, 0x4F,
+  /* 00000203 jz 0x22d                       */  0x74, 0x28,
+  /* 00000205 cmp ax,0x4f01                  */  0x3D, 0x01, 0x4F,
+  /* 00000208 jz 0x245                       */  0x74, 0x3B,
+  /* 0000020A cmp ax,0x4f02                  */  0x3D, 0x02, 0x4F,
+  /* 0000020D jz 0x269                       */  0x74, 0x5A,
+  /* 0000020F cmp ax,0x4f03                  */  0x3D, 0x03, 0x4F,
+  /* 00000212 jz word 0x331                  */  0x0F, 0x84, 0x1B, 0x01,
+  /* 00000216 cmp ax,0x4f10                  */  0x3D, 0x10, 0x4F,
+  /* 00000219 jz word 0x336                  */  0x0F, 0x84, 0x19, 0x01,
+  /* 0000021D cmp ax,0x4f15                  */  0x3D, 0x15, 0x4F,
+  /* 00000220 jz word 0x338                  */  0x0F, 0x84, 0x14, 0x01,
+  /* 00000224 cmp ah,0x0                     */  0x80, 0xFC, 0x00,
+  /* 00000227 jz word 0x33a                  */  0x0F, 0x84, 0x0F, 0x01,
+  /* 0000022B jmp short 0x22b                */  0xEB, 0xFE,
+  /* 0000022D push es                        */  0x06,
+  /* 0000022E push di                        */  0x57,
+  /* 0000022F push ds                        */  0x1E,
+  /* 00000230 push si                        */  0x56,
+  /* 00000231 push cx                        */  0x51,
+  /* 00000232 push cs                        */  0x0E,
+  /* 00000233 pop ds                         */  0x1F,
+  /* 00000234 mov si,0x0                     */  0xBE, 0x00, 0x00,
+  /* 00000237 mov cx,0x100                   */  0xB9, 0x00, 0x01,
+  /* 0000023A cld                            */  0xFC,
+  /* 0000023B rep movsb                      */  0xF3, 0xA4,
+  /* 0000023D pop cx                         */  0x59,
+  /* 0000023E pop si                         */  0x5E,
+  /* 0000023F pop ds                         */  0x1F,
+  /* 00000240 pop di                         */  0x5F,
+  /* 00000241 pop es                         */  0x07,
+  /* 00000242 jmp word 0x34c                 */  0xE9, 0x07, 0x01,
+  /* 00000245 push es                        */  0x06,
+  /* 00000246 push di                        */  0x57,
+  /* 00000247 push ds                        */  0x1E,
+  /* 00000248 push si                        */  0x56,
+  /* 00000249 push cx                        */  0x51,
+  /* 0000024A and cx,0xbfff                  */  0x81, 0xE1, 0xFF, 0xBF,
+  /* 0000024E cmp cx,0xf1                    */  0x81, 0xF9, 0xF1, 0x00,
+  /* 00000252 jz 0x256                       */  0x74, 0x02,
+  /* 00000254 jmp short 0x22b                */  0xEB, 0xD5,
+  /* 00000256 push cs                        */  0x0E,
+  /* 00000257 pop ds                         */  0x1F,
+  /* 00000258 mov si,0x100                   */  0xBE, 0x00, 0x01,
+  /* 0000025B mov cx,0x100                   */  0xB9, 0x00, 0x01,
+  /* 0000025E cld                            */  0xFC,
+  /* 0000025F rep movsb                      */  0xF3, 0xA4,
+  /* 00000261 pop cx                         */  0x59,
+  /* 00000262 pop si                         */  0x5E,
+  /* 00000263 pop ds                         */  0x1F,
+  /* 00000264 pop di                         */  0x5F,
+  /* 00000265 pop es                         */  0x07,
+  /* 00000266 jmp word 0x34c                 */  0xE9, 0xE3, 0x00,
+  /* 00000269 push dx                        */  0x52,
+  /* 0000026A push ax                        */  0x50,
+  /* 0000026B cmp bx,0x40f1                  */  0x81, 0xFB, 0xF1, 0x40,
+  /* 0000026F jz 0x273                       */  0x74, 0x02,
+  /* 00000271 jmp short 0x22b                */  0xEB, 0xB8,
+  /* 00000273 mov dx,0x3c0                   */  0xBA, 0xC0, 0x03,
+  /* 00000276 mov al,0x20                    */  0xB0, 0x20,
+  /* 00000278 out dx,al                      */  0xEE,
+  /* 00000279 push dx                        */  0x52,
+  /* 0000027A push ax                        */  0x50,
+  /* 0000027B mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 0000027E mov ax,0x4                     */  0xB8, 0x04, 0x00,
+  /* 00000281 out dx,ax                      */  0xEF,
+  /* 00000282 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 00000285 mov ax,0x0                     */  0xB8, 0x00, 0x00,
+  /* 00000288 out dx,ax                      */  0xEF,
+  /* 00000289 pop ax                         */  0x58,
+  /* 0000028A pop dx                         */  0x5A,
+  /* 0000028B push dx                        */  0x52,
+  /* 0000028C push ax                        */  0x50,
+  /* 0000028D mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 00000290 mov ax,0x5                     */  0xB8, 0x05, 0x00,
+  /* 00000293 out dx,ax                      */  0xEF,
+  /* 00000294 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 00000297 mov ax,0x0                     */  0xB8, 0x00, 0x00,
+  /* 0000029A out dx,ax                      */  0xEF,
+  /* 0000029B pop ax                         */  0x58,
+  /* 0000029C pop dx                         */  0x5A,
+  /* 0000029D push dx                        */  0x52,
+  /* 0000029E push ax                        */  0x50,
+  /* 0000029F mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002A2 mov ax,0x8                     */  0xB8, 0x08, 0x00,
+  /* 000002A5 out dx,ax                      */  0xEF,
+  /* 000002A6 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 000002A9 mov ax,0x0                     */  0xB8, 0x00, 0x00,
+  /* 000002AC out dx,ax                      */  0xEF,
+  /* 000002AD pop ax                         */  0x58,
+  /* 000002AE pop dx                         */  0x5A,
+  /* 000002AF push dx                        */  0x52,
+  /* 000002B0 push ax                        */  0x50,
+  /* 000002B1 mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002B4 mov ax,0x9                     */  0xB8, 0x09, 0x00,
+  /* 000002B7 out dx,ax                      */  0xEF,
+  /* 000002B8 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 000002BB mov ax,0x0                     */  0xB8, 0x00, 0x00,
+  /* 000002BE out dx,ax                      */  0xEF,
+  /* 000002BF pop ax                         */  0x58,
+  /* 000002C0 pop dx                         */  0x5A,
+  /* 000002C1 push dx                        */  0x52,
+  /* 000002C2 push ax                        */  0x50,
+  /* 000002C3 mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002C6 mov ax,0x3                     */  0xB8, 0x03, 0x00,
+  /* 000002C9 out dx,ax                      */  0xEF,
+  /* 000002CA mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 000002CD mov ax,0x20                    */  0xB8, 0x20, 0x00,
+  /* 000002D0 out dx,ax                      */  0xEF,
+  /* 000002D1 pop ax                         */  0x58,
+  /* 000002D2 pop dx                         */  0x5A,
+  /* 000002D3 push dx                        */  0x52,
+  /* 000002D4 push ax                        */  0x50,
+  /* 000002D5 mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002D8 mov ax,0x1                     */  0xB8, 0x01, 0x00,
+  /* 000002DB out dx,ax                      */  0xEF,
+  /* 000002DC mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 000002DF mov ax,0x400                   */  0xB8, 0x00, 0x04,
+  /* 000002E2 out dx,ax                      */  0xEF,
+  /* 000002E3 pop ax                         */  0x58,
+  /* 000002E4 pop dx                         */  0x5A,
+  /* 000002E5 push dx                        */  0x52,
+  /* 000002E6 push ax                        */  0x50,
+  /* 000002E7 mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002EA mov ax,0x6                     */  0xB8, 0x06, 0x00,
+  /* 000002ED out dx,ax                      */  0xEF,
+  /* 000002EE mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 000002F1 mov ax,0x400                   */  0xB8, 0x00, 0x04,
+  /* 000002F4 out dx,ax                      */  0xEF,
+  /* 000002F5 pop ax                         */  0x58,
+  /* 000002F6 pop dx                         */  0x5A,
+  /* 000002F7 push dx                        */  0x52,
+  /* 000002F8 push ax                        */  0x50,
+  /* 000002F9 mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 000002FC mov ax,0x2                     */  0xB8, 0x02, 0x00,
+  /* 000002FF out dx,ax                      */  0xEF,
+  /* 00000300 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 00000303 mov ax,0x300                   */  0xB8, 0x00, 0x03,
+  /* 00000306 out dx,ax                      */  0xEF,
+  /* 00000307 pop ax                         */  0x58,
+  /* 00000308 pop dx                         */  0x5A,
+  /* 00000309 push dx                        */  0x52,
+  /* 0000030A push ax                        */  0x50,
+  /* 0000030B mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 0000030E mov ax,0x7                     */  0xB8, 0x07, 0x00,
+  /* 00000311 out dx,ax                      */  0xEF,
+  /* 00000312 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 00000315 mov ax,0x300                   */  0xB8, 0x00, 0x03,
+  /* 00000318 out dx,ax                      */  0xEF,
+  /* 00000319 pop ax                         */  0x58,
+  /* 0000031A pop dx                         */  0x5A,
+  /* 0000031B push dx                        */  0x52,
+  /* 0000031C push ax                        */  0x50,
+  /* 0000031D mov dx,0x1ce                   */  0xBA, 0xCE, 0x01,
+  /* 00000320 mov ax,0x4                     */  0xB8, 0x04, 0x00,
+  /* 00000323 out dx,ax                      */  0xEF,
+  /* 00000324 mov dx,0x1d0                   */  0xBA, 0xD0, 0x01,
+  /* 00000327 mov ax,0x41                    */  0xB8, 0x41, 0x00,
+  /* 0000032A out dx,ax                      */  0xEF,
+  /* 0000032B pop ax                         */  0x58,
+  /* 0000032C pop dx                         */  0x5A,
+  /* 0000032D pop ax                         */  0x58,
+  /* 0000032E pop dx                         */  0x5A,
+  /* 0000032F jmp short 0x34c                */  0xEB, 0x1B,
+  /* 00000331 mov bx,0x40f1                  */  0xBB, 0xF1, 0x40,
+  /* 00000334 jmp short 0x34c                */  0xEB, 0x16,
+  /* 00000336 jmp short 0x350                */  0xEB, 0x18,
+  /* 00000338 jmp short 0x350                */  0xEB, 0x16,
+  /* 0000033A cmp al,0x3                     */  0x3C, 0x03,
+  /* 0000033C jz 0x345                       */  0x74, 0x07,
+  /* 0000033E cmp al,0x12                    */  0x3C, 0x12,
+  /* 00000340 jz 0x349                       */  0x74, 0x07,
+  /* 00000342 jmp word 0x22b                 */  0xE9, 0xE6, 0xFE,
+  /* 00000345 mov al,0x30                    */  0xB0, 0x30,
+  /* 00000347 jmp short 0x34b                */  0xEB, 0x02,
+  /* 00000349 mov al,0x20                    */  0xB0, 0x20,
+  /* 0000034B iretw                          */  0xCF,
+  /* 0000034C mov ax,0x4f                    */  0xB8, 0x4F, 0x00,
+  /* 0000034F iretw                          */  0xCF,
+  /* 00000350 mov ax,0x14f                   */  0xB8, 0x4F, 0x01,
+  /* 00000353 iretw                          */  0xCF,
+};
+#endif
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.sh b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.sh
new file mode 100644
index 0000000000..7669f8a219
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/OvmfPkg/QemuVideoDxe/VbeShim.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+###
+# @file
+# Shell script to assemble and dump the fake Int10h handler from NASM source to
+# a C array.
+#
+# Copyright (C) 2014, Red Hat, Inc.
+# Copyright (c) 2013 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+set -e -u
+
+STEM=$(dirname -- "$0")/$(basename -- "$0" .sh)
+
+#
+# Install exit handler -- remove temporary files.
+#
+exit_handler()
+{
+  rm -f -- "$STEM".bin "$STEM".disasm "$STEM".offsets "$STEM".insns \
+      "$STEM".bytes
+}
+trap exit_handler EXIT
+
+#
+# Assemble the source file.
+#
+nasm -o "$STEM".bin -- "$STEM".asm
+
+#
+# Disassemble it, in order to get a binary dump associated with the source.
+# (ndisasm doesn't recognize the "--" end-of-options delimiter.)
+#
+ndisasm "$STEM".bin >"$STEM".disasm
+
+#
+# Create three files, each with one column of the disassembly.
+#
+# The first column contains the offsets, and it starts the comment.
+#
+cut -c 1-8 -- "$STEM".disasm \
+| sed -e 's,^,  /* ,' >"$STEM".offsets
+
+#
+# The second column contains the assembly-language instructions, and it closes
+# the comment. We first pad it to 30 characters.
+#
+cut -c 29- -- "$STEM".disasm \
+| sed -e 's,$,                              ,' \
+      -e 's,^\(.\{30\}\).*$,\1 */,' >"$STEM".insns
+
+#
+# The third column contains the bytes corresponding to the instruction,
+# represented as C integer constants. First strip trailing whitespace from the
+# middle column of the input disassembly, then process pairs of nibbles.
+#
+cut -c 11-28 -- "$STEM".disasm \
+| sed -e 's, \+$,,' -e 's/\(..\)/ 0x\1,/g' >"$STEM".bytes
+
+#
+# Write the output file, recombining the columns. The output should have CRLF
+# line endings.
+#
+{
+  printf '//\n'
+  printf '// THIS FILE WAS GENERATED BY "%s". DO NOT EDIT.\n' \
+      "$(basename -- "$0")"
+  printf '//\n'
+  printf '#ifndef _VBE_SHIM_H_\n'
+  printf '#define _VBE_SHIM_H_\n'
+  printf 'STATIC CONST UINT8 mVbeShim[] = {\n'
+  paste -d ' ' -- "$STEM".offsets "$STEM".insns "$STEM".bytes
+  printf '};\n'
+  printf '#endif\n'
+} \
+| unix2dos >"$STEM".h
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.h b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.h
new file mode 100644
index 0000000000..a9673f9c87
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.h
@@ -0,0 +1,218 @@
+/** @file
+  Driver implementing the Tiano Legacy 8259 Protocol
+
+Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _8259_H__
+#define _8259_H__
+
+#include <Protocol/Legacy8259.h>
+#include <Protocol/PciIo.h>
+
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/BaseLib.h>
+#include <Library/PcdLib.h>
+
+#include <IndustryStandard/Pci.h>
+
+// 8259 Hardware definitions
+
+#define LEGACY_MODE_BASE_VECTOR_MASTER                    0x08
+#define LEGACY_MODE_BASE_VECTOR_SLAVE                     0x70
+
+#define PROTECTED_MODE_BASE_VECTOR_MASTER                 0x68
+#define PROTECTED_MODE_BASE_VECTOR_SLAVE                  0x70
+
+#define LEGACY_8259_CONTROL_REGISTER_MASTER               0x20
+#define LEGACY_8259_MASK_REGISTER_MASTER                  0x21
+#define LEGACY_8259_CONTROL_REGISTER_SLAVE                0xA0
+#define LEGACY_8259_MASK_REGISTER_SLAVE                   0xA1
+#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER  0x4D0
+#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE   0x4D1
+
+#define LEGACY_8259_EOI                                   0x20
+
+// Protocol Function Prototypes
+
+/**
+  Sets the base address for the 8259 master and slave PICs.
+
+  @param[in]  This        Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  MasterBase  Interrupt vectors for IRQ0-IRQ7.
+  @param[in]  SlaveBase   Interrupt vectors for IRQ8-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while writing to the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetVectorBase (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN UINT8                     MasterBase,
+  IN UINT8                     SlaveBase
+  );
+
+/**
+  Gets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
+
+  @param[in]   This                Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[out]  LegacyMask          16-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[out]  LegacyEdgeLevel     16-bit mode edge/level mask for IRQ-IRQ15.
+  @param[out]  ProtectedMask       32-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[out]  ProtectedEdgeLevel  32-bit mode edge/level mask for IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while reading the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetMask (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  OUT UINT16                    *LegacyMask, OPTIONAL
+  OUT UINT16                    *LegacyEdgeLevel, OPTIONAL
+  OUT UINT16                    *ProtectedMask, OPTIONAL
+  OUT UINT16                    *ProtectedEdgeLevel OPTIONAL
+  );
+
+/**
+  Sets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
+
+  @param[in]  This                Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  LegacyMask          16-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[in]  LegacyEdgeLevel     16-bit mode edge/level mask for IRQ-IRQ15.
+  @param[in]  ProtectedMask       32-bit mode interrupt mask for IRQ0-IRQ15.
+  @param[in]  ProtectedEdgeLevel  32-bit mode edge/level mask for IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS       The 8259 PIC was programmed successfully.
+  @retval  EFI_DEVICE_ERROR  There was an error while writing the 8259 PIC.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetMask (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN UINT16                    *LegacyMask, OPTIONAL
+  IN UINT16                    *LegacyEdgeLevel, OPTIONAL
+  IN UINT16                    *ProtectedMask, OPTIONAL
+  IN UINT16                    *ProtectedEdgeLevel OPTIONAL
+  );
+
+/**
+  Sets the mode of the PICs.
+
+  @param[in]  This       Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Mode       16-bit real or 32-bit protected mode.
+  @param[in]  Mask       The value with which to set the interrupt mask.
+  @param[in]  EdgeLevel  The value with which to set the edge/level mask.
+
+  @retval  EFI_SUCCESS            The mode was set successfully.
+  @retval  EFI_INVALID_PARAMETER  The mode was not set.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259SetMode (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_MODE             Mode,
+  IN UINT16                    *Mask, OPTIONAL
+  IN UINT16                    *EdgeLevel OPTIONAL
+  );
+
+/**
+  Translates the IRQ into a vector.
+
+  @param[in]   This    Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]   Irq     IRQ0-IRQ15.
+  @param[out]  Vector  The vector that is assigned to the IRQ.
+
+  @retval  EFI_SUCCESS            The Vector that matches Irq was returned.
+  @retval  EFI_INVALID_PARAMETER  Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetVector (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  IN  EFI_8259_IRQ              Irq,
+  OUT UINT8                     *Vector
+  );
+
+/**
+  Enables the specified IRQ.
+
+  @param[in]  This            Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq             IRQ0-IRQ15.
+  @param[in]  LevelTriggered  0 = Edge triggered; 1 = Level triggered.
+
+  @retval  EFI_SUCCESS            The Irq was enabled on the 8259 PIC.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259EnableIrq (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_IRQ              Irq,
+  IN BOOLEAN                   LevelTriggered
+  );
+
+/**
+  Disables the specified IRQ.
+
+  @param[in]  This  Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq   IRQ0-IRQ15.
+
+  @retval  EFI_SUCCESS            The Irq was disabled on the 8259 PIC.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259DisableIrq (
+  IN EFI_LEGACY_8259_PROTOCOL  *This,
+  IN EFI_8259_IRQ              Irq
+  );
+
+/**
+  Reads the PCI configuration space to get the interrupt number that is assigned to the card.
+
+  @param[in]   This       Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]   PciHandle  PCI function for which to return the vector.
+  @param[out]  Vector     IRQ number that corresponds to the interrupt line.
+
+  @retval  EFI_SUCCESS  The interrupt line value was read successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259GetInterruptLine (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  IN  EFI_HANDLE                PciHandle,
+  OUT UINT8                     *Vector
+  );
+
+/**
+  Issues the End of Interrupt (EOI) commands to PICs.
+
+  @param[in]  This  Indicates the EFI_LEGACY_8259_PROTOCOL instance.
+  @param[in]  Irq   The interrupt for which to issue the EOI command.
+
+  @retval  EFI_SUCCESS            The EOI command was issued.
+  @retval  EFI_INVALID_PARAMETER  The Irq is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+Interrupt8259EndOfInterrupt (
+  IN  EFI_LEGACY_8259_PROTOCOL  *This,
+  IN  EFI_8259_IRQ              Irq
+  );
+
+#endif
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.inf b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.inf
new file mode 100644
index 0000000000..e66b21c914
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/8259.inf
@@ -0,0 +1,46 @@
+## @file
+# 8259 Interrupt Controller driver that provides Legacy 8259 protocol.
+#
+# Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = Legacy8259
+  MODULE_UNI_FILE                = Legacy8259.uni
+  FILE_GUID                      = 79CA4208-BBA1-4a9a-8456-E1E66A81484E
+  MODULE_TYPE                    = DXE_DRIVER
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = Install8259
+
+[Sources]
+  8259.c
+  8259.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  PcAtChipsetPkg/PcAtChipsetPkg.dec
+  SimicsOpenBoardPkg/SimicsOpenBoardPkg.dec
+
+[LibraryClasses]
+  UefiBootServicesTableLib
+  DebugLib
+  UefiDriverEntryPoint
+  IoLib
+  PcdLib
+
+[Protocols]
+  gEfiLegacy8259ProtocolGuid                    ## PRODUCES
+  gEfiPciIoProtocolGuid                         ## SOMETIMES_CONSUMES
+
+[Pcd]
+  gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeMask      ## CONSUMES
+  gPcAtChipsetPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel ## CONSUMES
+
+[Depex]
+  TRUE
+
+[UserExtensions.TianoCore."ExtraFiles"]
+  Legacy8259Extra.uni
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259.uni
new file mode 100644
index 0000000000..d035292419
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259.uni
@@ -0,0 +1,16 @@
+// /** @file
+// 8259 Interrupt Controller driver that provides Legacy 8259 protocol.
+//
+// 8259 Interrupt Controller driver that provides Legacy 8259 protocol.
+//
+// Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "8259 Interrupt Controller driver that provides Legacy 8259 protocol"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "8259 Interrupt Controller driver that provides Legacy 8259 protocol."
+
diff --git a/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259Extra.uni b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259Extra.uni
new file mode 100644
index 0000000000..ee43f6923c
--- /dev/null
+++ b/Platform/Intel/SimicsOpenBoardPkg/Overrides/PcAtChipsetPkg/8259InterruptControllerDxe/Legacy8259Extra.uni
@@ -0,0 +1,14 @@
+// /** @file
+// Legacy8259 Localized Strings and Content
+//
+// Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
+//
+// SPDX-License-Identifier: BSD-2-Clause-Patent
+//
+// **/
+
+#string STR_PROPERTIES_MODULE_NAME
+#language en-US
+"Legacy 8259 Interrupt Controller DXE Driver"
+
+
-- 
2.16.2.windows.1


  parent reply	other threads:[~2019-08-15 22:52 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-09 22:46 [edk2-platform patch 0/7] Add Initial QSP MinPlatform Pkg for SIMICS David Wei
2019-08-09 22:46 ` [edk2-platform patch 1/7] SimicsX58SktPkg: Add CPU Pkg for SimicsX58 David Wei
2019-08-15  8:34   ` Nate DeSimone
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-22 22:31     ` David Wei
2019-08-26 22:48       ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 2/7] SimicsICH10Pkg: Add PCH Pkg for SimicsICH10 David Wei
2019-08-13  2:01   ` Nate DeSimone
2019-08-15  8:39   ` Nate DeSimone
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-23 16:40     ` David Wei
2019-08-26 22:49       ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 3/7] SimicsOpenBoardPkg: Add SimicsOpenBoardPkg and its modules David Wei
2019-08-15 18:35   ` Nate DeSimone
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-23 16:57     ` David Wei
2019-08-26 23:13       ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 4/7] SimicsOpenBoardPkg: Add DXE driver for Legacy Sio David Wei
2019-08-15 19:01   ` Nate DeSimone
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 5/7] SimicsOpenBoardPkg: Add Overrides modules for SIMICS QSP Platform David Wei
2019-08-15 19:38   ` Nate DeSimone
2019-08-15 22:28     ` Nate DeSimone
2019-08-15 22:52   ` Nate DeSimone [this message]
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-23 17:09     ` David Wei
2019-08-26 22:51       ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 6/7] SimicsOpenBoardPkg: Add board module for QSP Build tip David Wei
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-23 17:04     ` David Wei
2019-08-26 22:59       ` Kubacki, Michael A
2019-08-09 22:46 ` [edk2-platform patch 7/7] Platform/Intel: Add build option for SIMICS QSP Platform David Wei
2019-08-15 19:28   ` Nate DeSimone
2019-08-19 23:21   ` Nate DeSimone
2019-08-20  1:04   ` Kubacki, Michael A
2019-08-23 17:06     ` David Wei
2019-08-26 23:00       ` Kubacki, Michael A

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