public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: "Dhaval Sharma" <dhaval@rivosinc.com>
To: Linus Liu <linus.liu@intel.com>
Cc: devel@edk2.groups.io, Benny Lin <benny.lin@intel.com>,
	Gua Guo <gua.guo@intel.com>,  Chasel Chiu <chasel.chiu@intel.com>,
	James Lu <james.lu@intel.com>
Subject: Re: [edk2-devel] [PATCH v4 6/6] UefiPayloadPkg: Update UefiPayload driver for FDT support.
Date: Mon, 3 Jun 2024 16:57:49 +0530	[thread overview]
Message-ID: <CAAxYnhSgt869GbMb04NM4cPupFV567oc2bsM0ZN+Z6JkN3g5yw@mail.gmail.com> (raw)
In-Reply-To: <20240603021923.1356-1-linus.liu@intel.com>

[-- Attachment #1: Type: text/plain, Size: 44944 bytes --]

BuildFitLoadablesFvHob:

   - Fdt variable is not initialized.
   - It ONLY gets initialized if GuidHob is found. What if it is not found?
   - FdtCheckHeader still evaluating it?


On Mon, Jun 3, 2024 at 7:49 AM Linus Liu <linus.liu@intel.com> wrote:

> Add FDT detection and comsume FDT when needed.
> Move some x86 specific function in the x86 folder.
> Create HandOffHob via FDT memory node.
>
> Cc: Benny Lin <benny.lin@intel.com>
> Cc: Gua Guo <gua.guo@intel.com>
> Cc: Chasel Chiu <chasel.chiu@intel.com>
> Cc: James Lu <james.lu@intel.com>
> Cc: Dhaval Sharma <dhaval@rivosinc.com>
>
> Signed-off-by: Linus Liu <linus.liu@intel.com>
> ---
>  UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c
>  | 428 +++++++++-----------
>  UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
>  |  12 +
>  UefiPayloadPkg/UefiPayloadEntry/Ia32/{DxeLoadFunc.c => DxeLoadFuncFit.c}
> |  32 +-
>  UefiPayloadPkg/UefiPayloadEntry/MemoryAllocation.c
>  |  50 +++
>  UefiPayloadPkg/UefiPayloadEntry/PrintHob.c
>  |   6 +-
>  UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
> |   6 -
>  UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> |  12 +
>  UefiPayloadPkg/UefiPayloadEntry/X64/{DxeLoadFunc.c => DxeLoadFuncFit.c}
> |  31 +-
>  UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
>  |  20 +-
>  UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
>  |  68 ++++
>  UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
> |  16 +-
>  UefiPayloadPkg/UefiPayloadPkg.dsc
> |  29 +-
>  12 files changed, 443 insertions(+), 267 deletions(-)
>
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c
> b/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c
> index eb0b325369a0..813d656950d1 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.c
> @@ -6,6 +6,8 @@
>  #include "UefiPayloadEntry.h"
>  #include <Library/FdtLib.h>
>  #include <Guid/UniversalPayloadBase.h>
> +#include <Guid/MemoryTypeInformation.h>
> +#include <Library/FdtParserLib.h>
>
>  #define MEMORY_ATTRIBUTE_MASK  (EFI_RESOURCE_ATTRIBUTE_PRESENT
>  |        \
>
> EFI_RESOURCE_ATTRIBUTE_INITIALIZED         | \
> @@ -23,6 +25,15 @@
>                                         EFI_RESOURCE_ATTRIBUTE_INITIALIZED
> | \
>                                         EFI_RESOURCE_ATTRIBUTE_TESTED
> )
>
> +EFI_MEMORY_TYPE_INFORMATION  mDefaultMemoryTypeInformation[] = {
> +  { EfiACPIReclaimMemory,   FixedPcdGet32
> (PcdMemoryTypeEfiACPIReclaimMemory)   },
> +  { EfiACPIMemoryNVS,       FixedPcdGet32
> (PcdMemoryTypeEfiACPIMemoryNVS)       },
> +  { EfiReservedMemoryType,  FixedPcdGet32
> (PcdMemoryTypeEfiReservedMemoryType)  },
> +  { EfiRuntimeServicesData, FixedPcdGet32
> (PcdMemoryTypeEfiRuntimeServicesData) },
> +  { EfiRuntimeServicesCode, FixedPcdGet32
> (PcdMemoryTypeEfiRuntimeServicesCode) },
> +  { EfiMaxMemoryType,       0
>        }
> +};
> +
>  extern VOID  *mHobList;
>
>  CHAR8  *mLineBuffer = NULL;
> @@ -36,6 +47,78 @@ PrintHob (
>    IN CONST VOID  *HobStart
>    );
>
> +/**
> +  Add HOB into HOB list
> +  @param[in]  Hob    The HOB to be added into the HOB list.
> +**/
> +VOID
> +AddNewHob (
> +  IN EFI_PEI_HOB_POINTERS  *Hob
> +  );
> +
> +/**
> +  Found the Resource Descriptor HOB that contains a range (Base, Top)
> +  @param[in] HobList    Hob start address
> +  @param[in] Base       Memory start address
> +  @param[in] Top        Memory end address.
> +  @retval     The pointer to the Resource Descriptor HOB.
> +**/
> +EFI_HOB_RESOURCE_DESCRIPTOR *
> +FindResourceDescriptorByRange (
> +  IN VOID                  *HobList,
> +  IN EFI_PHYSICAL_ADDRESS  Base,
> +  IN EFI_PHYSICAL_ADDRESS  Top
> +  );
> +
> +/**
> +  Find the highest below 4G memory resource descriptor, except the input
> Resource Descriptor.
> +  @param[in] HobList                 Hob start address
> +  @param[in] MinimalNeededSize       Minimal needed size.
> +  @param[in] ExceptResourceHob       Ignore this Resource Descriptor.
> +  @retval     The pointer to the Resource Descriptor HOB.
> +**/
> +EFI_HOB_RESOURCE_DESCRIPTOR *
> +FindAnotherHighestBelow4GResourceDescriptor (
> +  IN VOID                         *HobList,
> +  IN UINTN                        MinimalNeededSize,
> +  IN EFI_HOB_RESOURCE_DESCRIPTOR  *ExceptResourceHob
> +  );
> +
> +/**
> +  Check the HOB and decide if it is need inside Payload
> +  Payload maintainer may make decision which HOB is need or needn't
> +  Then add the check logic in the function.
> +  @param[in] Hob The HOB to check
> +  @retval TRUE  If HOB is need inside Payload
> +  @retval FALSE If HOB is needn't inside Payload
> +**/
> +BOOLEAN
> +FitIsHobNeed (
> +  EFI_PEI_HOB_POINTERS  Hob
> +  );
> +
> +/**
> +  Check the HOB and decide if it is need inside Payload
> +
> +  Payload maintainer may make decision which HOB is need or needn't
> +  Then add the check logic in the function.
> +
> +  @param[in] Hob The HOB to check
> +
> +  @retval TRUE  If HOB is need inside Payload
> +  @retval FALSE If HOB is needn't inside Payload
> +**/
> +BOOLEAN
> +IsHobNeed (
> +  EFI_PEI_HOB_POINTERS  Hob
> +  );
> +
> +VOID
> +EFIAPI
> +ProcessLibraryConstructorList (
> +  VOID
> +  );
> +
>  /**
>    Find the first substring.
>    @param  String    Point to the string where to find the substring.
> @@ -191,187 +274,6 @@ FixUpPcdDatabase (
>    return EFI_SUCCESS;
>  }
>
> -/**
> -  Add HOB into HOB list
> -  @param[in]  Hob    The HOB to be added into the HOB list.
> -**/
> -VOID
> -AddNewHob (
> -  IN EFI_PEI_HOB_POINTERS  *Hob
> -  )
> -{
> -  EFI_PEI_HOB_POINTERS  NewHob;
> -
> -  if (Hob->Raw == NULL) {
> -    return;
> -  }
> -
> -  NewHob.Header = CreateHob (Hob->Header->HobType,
> Hob->Header->HobLength);
> -  ASSERT (NewHob.Header != NULL);
> -  if (NewHob.Header == NULL) {
> -    return;
> -  }
> -
> -  CopyMem (NewHob.Header + 1, Hob->Header + 1, Hob->Header->HobLength -
> sizeof (EFI_HOB_GENERIC_HEADER));
> -}
> -
> -/**
> -  Found the Resource Descriptor HOB that contains a range (Base, Top)
> -  @param[in] HobList    Hob start address
> -  @param[in] Base       Memory start address
> -  @param[in] Top        Memory end address.
> -  @retval     The pointer to the Resource Descriptor HOB.
> -**/
> -EFI_HOB_RESOURCE_DESCRIPTOR *
> -FindResourceDescriptorByRange (
> -  IN VOID                  *HobList,
> -  IN EFI_PHYSICAL_ADDRESS  Base,
> -  IN EFI_PHYSICAL_ADDRESS  Top
> -  )
> -{
> -  EFI_PEI_HOB_POINTERS         Hob;
> -  EFI_HOB_RESOURCE_DESCRIPTOR  *ResourceHob;
> -
> -  for (Hob.Raw = (UINT8 *)HobList; !END_OF_HOB_LIST (Hob); Hob.Raw =
> GET_NEXT_HOB (Hob)) {
> -    //
> -    // Skip all HOBs except Resource Descriptor HOBs
> -    //
> -    if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip Resource Descriptor HOBs that do not describe tested system
> memory
> -    //
> -    ResourceHob = Hob.ResourceDescriptor;
> -    if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {
> -      continue;
> -    }
> -
> -    if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) !=
> TESTED_MEMORY_ATTRIBUTES) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip Resource Descriptor HOBs that do not contain the PHIT range
> EfiFreeMemoryBottom..EfiFreeMemoryTop
> -    //
> -    if (Base < ResourceHob->PhysicalStart) {
> -      continue;
> -    }
> -
> -    if (Top > (ResourceHob->PhysicalStart + ResourceHob->ResourceLength))
> {
> -      continue;
> -    }
> -
> -    return ResourceHob;
> -  }
> -
> -  return NULL;
> -}
> -
> -/**
> -  Find the highest below 4G memory resource descriptor, except the input
> Resource Descriptor.
> -  @param[in] HobList                 Hob start address
> -  @param[in] MinimalNeededSize       Minimal needed size.
> -  @param[in] ExceptResourceHob       Ignore this Resource Descriptor.
> -  @retval     The pointer to the Resource Descriptor HOB.
> -**/
> -EFI_HOB_RESOURCE_DESCRIPTOR *
> -FindAnotherHighestBelow4GResourceDescriptor (
> -  IN VOID                         *HobList,
> -  IN UINTN                        MinimalNeededSize,
> -  IN EFI_HOB_RESOURCE_DESCRIPTOR  *ExceptResourceHob
> -  )
> -{
> -  EFI_PEI_HOB_POINTERS         Hob;
> -  EFI_HOB_RESOURCE_DESCRIPTOR  *ResourceHob;
> -  EFI_HOB_RESOURCE_DESCRIPTOR  *ReturnResourceHob;
> -
> -  ReturnResourceHob = NULL;
> -
> -  for (Hob.Raw = (UINT8 *)HobList; !END_OF_HOB_LIST (Hob); Hob.Raw =
> GET_NEXT_HOB (Hob)) {
> -    //
> -    // Skip all HOBs except Resource Descriptor HOBs
> -    //
> -    if (GET_HOB_TYPE (Hob) != EFI_HOB_TYPE_RESOURCE_DESCRIPTOR) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip Resource Descriptor HOBs that do not describe tested system
> memory
> -    //
> -    ResourceHob = Hob.ResourceDescriptor;
> -    if (ResourceHob->ResourceType != EFI_RESOURCE_SYSTEM_MEMORY) {
> -      continue;
> -    }
> -
> -    if ((ResourceHob->ResourceAttribute & MEMORY_ATTRIBUTE_MASK) !=
> TESTED_MEMORY_ATTRIBUTES) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip if the Resource Descriptor HOB equals to ExceptResourceHob
> -    //
> -    if (ResourceHob == ExceptResourceHob) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip Resource Descriptor HOBs that are beyond 4G
> -    //
> -    if ((ResourceHob->PhysicalStart + ResourceHob->ResourceLength) >
> BASE_4GB) {
> -      continue;
> -    }
> -
> -    //
> -    // Skip Resource Descriptor HOBs that are too small
> -    //
> -    if (ResourceHob->ResourceLength < MinimalNeededSize) {
> -      continue;
> -    }
> -
> -    //
> -    // Return the topest Resource Descriptor
> -    //
> -    if (ReturnResourceHob == NULL) {
> -      ReturnResourceHob = ResourceHob;
> -    } else {
> -      if (ReturnResourceHob->PhysicalStart < ResourceHob->PhysicalStart) {
> -        ReturnResourceHob = ResourceHob;
> -      }
> -    }
> -  }
> -
> -  return ReturnResourceHob;
> -}
> -
> -/**
> -  Check the HOB and decide if it is need inside Payload
> -  Payload maintainer may make decision which HOB is need or needn't
> -  Then add the check logic in the function.
> -  @param[in] Hob The HOB to check
> -  @retval TRUE  If HOB is need inside Payload
> -  @retval FALSE If HOB is needn't inside Payload
> -**/
> -BOOLEAN
> -IsHobNeed (
> -  EFI_PEI_HOB_POINTERS  Hob
> -  )
> -{
> -  if (Hob.Header->HobType == EFI_HOB_TYPE_HANDOFF) {
> -    return FALSE;
> -  }
> -
> -  if (Hob.Header->HobType == EFI_HOB_TYPE_MEMORY_ALLOCATION) {
> -    if (CompareGuid
> (&Hob.MemoryAllocationModule->MemoryAllocationHeader.Name,
> &gEfiHobMemoryAllocModuleGuid)) {
> -      return FALSE;
> -    }
> -  }
> -
> -  // Arrive here mean the HOB is need
> -  return TRUE;
> -}
> -
>  /**
>    It will build Fv HOBs based on information from bootloaders.
>    @param[out] DxeFv          The pointer to the DXE FV in memory.
> @@ -409,21 +311,25 @@ BuildFitLoadablesFvHob (
>
>    Status = FdtCheckHeader (Fdt);
>    if (EFI_ERROR (Status)) {
> +    DEBUG ((DEBUG_INFO, "FdtCheckHeader UPSUPPORTED\n"));
>      return EFI_UNSUPPORTED;
>    }
>
>    ConfigNode = FdtSubnodeOffsetNameLen (Fdt, 0, "configurations",
> (INT32)AsciiStrLen ("configurations"));
>    if (ConfigNode <= 0) {
> +    DEBUG ((DEBUG_INFO, "BuildFitLoadablesFvHob configurations
> EFI_NOT_FOUND\n"));
>      return EFI_NOT_FOUND;
>    }
>
>    Config1Node = FdtSubnodeOffsetNameLen (Fdt, ConfigNode, "conf-1",
> (INT32)AsciiStrLen ("conf-1"));
>    if (Config1Node <= 0) {
> +    DEBUG ((DEBUG_INFO, "BuildFitLoadablesFvHob conf-1 EFI_NOT_FOUND\n"));
>      return EFI_NOT_FOUND;
>    }
>
>    ImageNode = FdtSubnodeOffsetNameLen (Fdt, 0, "images",
> (INT32)AsciiStrLen ("images"));
>    if (ImageNode <= 0) {
> +    DEBUG ((DEBUG_INFO, "BuildFitLoadablesFvHob images EFI_NOT_FOUND\n"));
>      return EFI_NOT_FOUND;
>    }
>
> @@ -467,31 +373,25 @@ BuildFitLoadablesFvHob (
>  }
>
>  /**
> -  It will build HOBs based on information from bootloaders.
> -  @param[in]  BootloaderParameter   The starting memory address of
> bootloader parameter block.
> -  @param[out] DxeFv                 The pointer to the DXE FV in memory.
> -  @retval EFI_SUCCESS        If it completed successfully.
> -  @retval Others             If it failed to build required HOBs.
> + *
> +  Create new HOB for new HOB list
> +
> +  @param[in]  BootloaderParameter  The HOB to be added into the HOB list.
>  **/
> -EFI_STATUS
> -BuildHobs (
> -  IN  UINTN                       BootloaderParameter,
> -  OUT EFI_FIRMWARE_VOLUME_HEADER  **DxeFv
> +VOID
> +CreatNewHobForHoblist (
> +  IN UINTN  BootloaderParameter
>    )
>  {
> -  EFI_PEI_HOB_POINTERS          Hob;
> -  UINTN                         MinimalNeededSize;
> -  EFI_PHYSICAL_ADDRESS          FreeMemoryBottom;
> -  EFI_PHYSICAL_ADDRESS          FreeMemoryTop;
> -  EFI_PHYSICAL_ADDRESS          MemoryBottom;
> -  EFI_PHYSICAL_ADDRESS          MemoryTop;
> -  EFI_HOB_RESOURCE_DESCRIPTOR   *PhitResourceHob;
> -  EFI_HOB_RESOURCE_DESCRIPTOR   *ResourceHob;
> -  UINT8                         *GuidHob;
> -  EFI_HOB_FIRMWARE_VOLUME       *FvHob;
> -  UNIVERSAL_PAYLOAD_ACPI_TABLE  *AcpiTable;
> -  ACPI_BOARD_INFO               *AcpiBoardInfo;
> -  EFI_HOB_HANDOFF_INFO_TABLE    *HobInfo;
> +  EFI_PEI_HOB_POINTERS         Hob;
> +  UINTN                        MinimalNeededSize;
> +  EFI_PHYSICAL_ADDRESS         FreeMemoryBottom;
> +  EFI_PHYSICAL_ADDRESS         FreeMemoryTop;
> +  EFI_PHYSICAL_ADDRESS         MemoryBottom;
> +  EFI_PHYSICAL_ADDRESS         MemoryTop;
> +  EFI_HOB_RESOURCE_DESCRIPTOR  *PhitResourceHob;
> +  EFI_HOB_RESOURCE_DESCRIPTOR  *ResourceHob;
> +  EFI_HOB_HANDOFF_INFO_TABLE   *HobInfo;
>
>    Hob.Raw           = (UINT8 *)BootloaderParameter;
>    MinimalNeededSize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
> @@ -512,7 +412,7 @@ BuildHobs (
>      //
>      ResourceHob = FindAnotherHighestBelow4GResourceDescriptor (Hob.Raw,
> MinimalNeededSize, NULL);
>      if (ResourceHob == NULL) {
> -      return EFI_NOT_FOUND;
> +      return;
>      }
>
>      MemoryBottom     = ResourceHob->PhysicalStart +
> ResourceHob->ResourceLength - MinimalNeededSize;
> @@ -542,7 +442,7 @@ BuildHobs (
>      //
>      ResourceHob = FindAnotherHighestBelow4GResourceDescriptor (Hob.Raw,
> MinimalNeededSize, PhitResourceHob);
>      if (ResourceHob == NULL) {
> -      return EFI_NOT_FOUND;
> +      return;
>      }
>
>      MemoryBottom     = ResourceHob->PhysicalStart +
> ResourceHob->ResourceLength - MinimalNeededSize;
> @@ -553,14 +453,7 @@ BuildHobs (
>
>    HobInfo           = HobConstructor ((VOID *)(UINTN)MemoryBottom, (VOID
> *)(UINTN)MemoryTop, (VOID *)(UINTN)FreeMemoryBottom, (VOID
> *)(UINTN)FreeMemoryTop);
>    HobInfo->BootMode = Hob.HandoffInformationTable->BootMode;
> -  //
> -  // From now on, mHobList will point to the new Hob range.
> -  //
>
> -  //
> -  // Create an empty FvHob for the DXE FV that contains DXE core.
> -  //
> -  BuildFvHob ((EFI_PHYSICAL_ADDRESS)0, 0);
>    //
>    // Since payload created new Hob, move all hobs except PHIT from boot
> loader hob list.
>    //
> @@ -573,7 +466,57 @@ BuildHobs (
>      Hob.Raw = GET_NEXT_HOB (Hob);
>    }
>
> -  BuildFitLoadablesFvHob (DxeFv);
> +  return;
> +}
> +
> +/**
> +  It will build HOBs based on information from bootloaders.
> +  @param[in]  NewFdtBase     The pointer to New FdtBase.
> +  @param[out] DxeFv          The pointer to the DXE FV in memory.
> +  @retval EFI_SUCCESS        If it completed successfully.
> +  @retval Others             If it failed to build required HOBs.
> +**/
> +EFI_STATUS
> +FitBuildHobs (
> +  IN  UINTN                       NewFdtBase,
> +  OUT EFI_FIRMWARE_VOLUME_HEADER  **DxeFv
> +  )
> +{
> +  UINT8                          *GuidHob;
> +  UINT32                         FdtSize;
> +  EFI_HOB_FIRMWARE_VOLUME        *FvHob;
> +  UNIVERSAL_PAYLOAD_ACPI_TABLE   *AcpiTable;
> +  ACPI_BOARD_INFO                *AcpiBoardInfo;
> +  UNIVERSAL_PAYLOAD_DEVICE_TREE  *Fdt;
> +
> +  if (FixedPcdGetBool (PcdHandOffFdtEnable)) {
> +    //
> +    // Back up FDT in Reserved memory region
> +    //
> +
> +    GuidHob = GetFirstGuidHob (&gUniversalPayloadDeviceTreeGuid);
> +    if (GuidHob != NULL) {
> +      Fdt =  (UNIVERSAL_PAYLOAD_DEVICE_TREE *)GET_GUID_HOB_DATA (GuidHob);
> +      if (Fdt != NULL) {
> +        DEBUG ((DEBUG_INFO, "Update FDT base to reserved memory\n"));
> +        FdtSize = 4 * EFI_PAGE_SIZE;
> +        CopyMem ((VOID *)NewFdtBase, (VOID *)(Fdt->DeviceTreeAddress),
> FdtSize);
> +        Fdt->DeviceTreeAddress = NewFdtBase;
> +      }
> +    }
> +  }
> +
> +  //
> +  // To create Memory Type Information HOB
> +  //
> +  GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);
> +  if (GuidHob == NULL) {
> +    BuildGuidDataHob (
> +      &gEfiMemoryTypeInformationGuid,
> +      mDefaultMemoryTypeInformation,
> +      sizeof (mDefaultMemoryTypeInformation)
> +      );
> +  }
>
>    //
>    // Create guid hob for acpi board information
> @@ -588,6 +531,12 @@ BuildHobs (
>      }
>    }
>
> +  //
> +  // Create an empty FvHob for the DXE FV that contains DXE core.
> +  //
> +  BuildFvHob ((EFI_PHYSICAL_ADDRESS)0, 0);
> +
> +  BuildFitLoadablesFvHob (DxeFv);
>    //
>    // Update DXE FV information to first fv hob in the hob list, which
>    // is the empty FvHob created before.
> @@ -600,12 +549,12 @@ BuildHobs (
>
>  /**
>    Entry point to the C language phase of UEFI payload.
> -  @param[in]   BootloaderParameter    The starting address of bootloader
> parameter block.
> +  @param[in]   BootloaderParameter  The starting address of FDT .
>    @retval      It will not return if SUCCESS, and return error when
> passing bootloader parameter.
>  **/
>  EFI_STATUS
>  EFIAPI
> -_ModuleEntryPoint (
> +FitUplEntryPoint (
>    IN UINTN  BootloaderParameter
>    )
>  {
> @@ -613,14 +562,46 @@ _ModuleEntryPoint (
>    PHYSICAL_ADDRESS            DxeCoreEntryPoint;
>    EFI_PEI_HOB_POINTERS        Hob;
>    EFI_FIRMWARE_VOLUME_HEADER  *DxeFv;
> +  PHYSICAL_ADDRESS            HobListPtr;
> +  VOID                        *FdtBase;
> +  VOID                        *FdtBaseResvd;
>
> -  mHobList = (VOID *)BootloaderParameter;
> -  DxeFv    = NULL;
> +  if (FixedPcdGetBool (PcdHandOffFdtEnable)) {
> +    mHobList = (VOID *)NULL;
> +  } else {
> +    mHobList = (VOID *)BootloaderParameter;
> +  }
> +
> +  DxeFv = NULL;
>    // Call constructor for all libraries
>    ProcessLibraryConstructorList ();
>
>    DEBUG ((DEBUG_INFO, "Entering Universal Payload...\n"));
>    DEBUG ((DEBUG_INFO, "sizeof(UINTN) = 0x%x\n", sizeof (UINTN)));
> +  DEBUG ((DEBUG_INFO, "BootloaderParameter = 0x%x\n",
> BootloaderParameter));
> +
> +  DEBUG ((DEBUG_INFO, "Start init Hobs...\n"));
> +  HobListPtr = UplInitHob ((VOID *)BootloaderParameter);
> +
> +  //
> +  // Found hob list node
> +  //
> +  if (HobListPtr != 0) {
> +    FdtBase = (VOID *)BootloaderParameter;
> +    if (FdtCheckHeader (FdtBase) == 0) {
> +      CustomFdtNodeParser ((VOID *)FdtBase, (VOID *)HobListPtr);
> +    } else {
> +      CreatNewHobForHoblist (BootloaderParameter);
> +    }
> +
> +    FdtBaseResvd = PayloadAllocatePages (4, EfiReservedMemoryType);
> +
> +    // Build HOB based on information from Bootloader
> +    Status = FitBuildHobs ((UINTN)FdtBaseResvd, &DxeFv);
> +  }
> +
> +  // Call constructor for all libraries again since hobs were built
> +  ProcessLibraryConstructorList ();
>
>    DEBUG_CODE (
>      //
> @@ -629,23 +610,10 @@ _ModuleEntryPoint (
>      PrintHob (mHobList);
>      );
>
> -  // Initialize floating point operating environment to be compliant with
> UEFI spec.
> -  InitializeFloatingPointUnits ();
> -
> -  // Build HOB based on information from Bootloader
> -  Status = BuildHobs (BootloaderParameter, &DxeFv);
> -  ASSERT_EFI_ERROR (Status);
> -
>    FixUpPcdDatabase (DxeFv);
>    Status = UniversalLoadDxeCore (DxeFv, &DxeCoreEntryPoint);
>    ASSERT_EFI_ERROR (Status);
>
> -  //
> -  // Mask off all legacy 8259 interrupt sources
> -  //
> -  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> -  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> -
>    Hob.HandoffInformationTable = (EFI_HOB_HANDOFF_INFO_TABLE *)GetFirstHob
> (EFI_HOB_TYPE_HANDOFF);
>    HandOffToDxeCore (DxeCoreEntryPoint, Hob);
>
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> b/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> index 61a9f01ec9e7..cf9c03a9a8e9 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> @@ -15,12 +15,15 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  #include <Library/MemoryAllocationLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/HobLib.h>
> +#include <Library/FdtLib.h>
>  #include "VirtualMemory.h"
>  #include "UefiPayloadEntry.h"
>
>  #define STACK_SIZE       0x20000
>  #define IDT_ENTRY_COUNT  32
>
> +extern VOID  *mHobList;
> +
>  typedef struct _X64_IDT_TABLE {
>    //
>    // Reserved 4 bytes preceding PeiService and IdtTable,
> @@ -268,6 +271,15 @@ HandOffToDxeCore (
>    UINT32                   Index;
>    X64_IDT_TABLE            *IdtTableForX64;
>
> +  // Initialize floating point operating environment to be compliant with
> UEFI spec.
> +  InitializeFloatingPointUnits ();
> +
> +  //
> +  // Mask off all legacy 8259 interrupt sources
> +  //
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> +
>    //
>    // Clear page 0 and mark it as allocated if NULL pointer detection is
> enabled.
>    //
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> b/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFuncFit.c
> similarity index 90%
> copy from UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> copy to UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFuncFit.c
> index 61a9f01ec9e7..439d5bee0b8c 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFunc.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/Ia32/DxeLoadFuncFit.c
> @@ -1,10 +1,8 @@
>  /** @file
>    Ia32-specific functionality for DxeLoad.
>
> -Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
> -Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
> -
> -SPDX-License-Identifier: BSD-2-Clause-Patent
> +  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
>
>  **/
>
> @@ -15,12 +13,15 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  #include <Library/MemoryAllocationLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/HobLib.h>
> +#include <Library/FdtLib.h>
>  #include "VirtualMemory.h"
>  #include "UefiPayloadEntry.h"
>
>  #define STACK_SIZE       0x20000
>  #define IDT_ENTRY_COUNT  32
>
> +extern VOID  *mHobList;
> +
>  typedef struct _X64_IDT_TABLE {
>    //
>    // Reserved 4 bytes preceding PeiService and IdtTable,
> @@ -268,6 +269,15 @@ HandOffToDxeCore (
>    UINT32                   Index;
>    X64_IDT_TABLE            *IdtTableForX64;
>
> +  // Initialize floating point operating environment to be compliant with
> UEFI spec.
> +  InitializeFloatingPointUnits ();
> +
> +  //
> +  // Mask off all legacy 8259 interrupt sources
> +  //
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> +
>    //
>    // Clear page 0 and mark it as allocated if NULL pointer detection is
> enabled.
>    //
> @@ -379,3 +389,17 @@ HandOffToDxeCore (
>      CpuDeadLoop ();
>    }
>  }
> +
> +/**
> +  Entry point to the C language phase of UEFI payload.
> +  @param[in]   BootloaderParameter    The starting address of bootloader
> parameter block.
> +  @retval      It will not return if SUCCESS, and return error when
> passing bootloader parameter.
> +**/
> +EFI_STATUS
> +EFIAPI
> +_ModuleEntryPoint (
> +  IN UINTN  BootloaderParameter
> +  )
> +{
> +  return FitUplEntryPoint (BootloaderParameter);
> +}
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/MemoryAllocation.c
> b/UefiPayloadPkg/UefiPayloadEntry/MemoryAllocation.c
> index 83936ae26e68..36edca81f997 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/MemoryAllocation.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/MemoryAllocation.c
> @@ -10,6 +10,56 @@
>
>  #include "UefiPayloadEntry.h"
>
> +/**
> +  Allocates one or more pages of type EfiBootServicesData.
> +
> +  Allocates the number of pages of MemoryType and returns a pointer to the
> +  allocated buffer.  The buffer returned is aligned on a 4KB boundary.
> +  If Pages is 0, then NULL is returned.
> +  If there is not enough memory availble to satisfy the request, then NULL
> +  is returned.
> +
> +  @param   Pages                 The number of 4 KB pages to allocate.
> +  @param   MemoryType            The MemoryType
> +  @return  A pointer to the allocated buffer or NULL if allocation fails.
> +**/
> +VOID *
> +EFIAPI
> +PayloadAllocatePages (
> +  IN UINTN            Pages,
> +  IN EFI_MEMORY_TYPE  MemoryType
> +  )
> +{
> +  EFI_PEI_HOB_POINTERS        Hob;
> +  EFI_PHYSICAL_ADDRESS        Offset;
> +  EFI_HOB_HANDOFF_INFO_TABLE  *HobTable;
> +
> +  Hob.Raw  = GetHobList ();
> +  HobTable = Hob.HandoffInformationTable;
> +
> +  if (Pages == 0) {
> +    return NULL;
> +  }
> +
> +  // Make sure allocation address is page alligned.
> +  Offset = HobTable->EfiFreeMemoryTop & EFI_PAGE_MASK;
> +  if (Offset != 0) {
> +    HobTable->EfiFreeMemoryTop -= Offset;
> +  }
> +
> +  //
> +  // Check available memory for the allocation
> +  //
> +  if (HobTable->EfiFreeMemoryTop - ((Pages * EFI_PAGE_SIZE) + sizeof
> (EFI_HOB_MEMORY_ALLOCATION)) < HobTable->EfiFreeMemoryBottom) {
> +    return NULL;
> +  }
> +
> +  HobTable->EfiFreeMemoryTop -= Pages * EFI_PAGE_SIZE;
> +  BuildMemoryAllocationHob (HobTable->EfiFreeMemoryTop, Pages *
> EFI_PAGE_SIZE, MemoryType);
> +
> +  return (VOID *)(UINTN)HobTable->EfiFreeMemoryTop;
> +}
> +
>  /**
>    Allocates one or more pages of type EfiBootServicesData.
>
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/PrintHob.c
> b/UefiPayloadPkg/UefiPayloadEntry/PrintHob.c
> index b63e93c07ec2..153d1b00f637 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/PrintHob.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/PrintHob.c
> @@ -169,13 +169,13 @@ PrintMemoryAllocationHob (
>  }
>
>  /**
> -  Print the information in Resource Discriptor Hob.
> +  Print the information in Resource Descriptor Hob.
>    @param[in]  HobStart       A pointer to HOB of type
> EFI_HOB_TYPE_RESOURCE_DESCRIPTOR.
>    @param[in]  HobLength      The Length in bytes of HOB of type
> EFI_HOB_TYPE_RESOURCE_DESCRIPTOR.
>    @retval EFI_SUCCESS        If it completed successfully.
>  **/
>  EFI_STATUS
> -PrintResourceDiscriptorHob (
> +PrintResourceDescriptorHob (
>    IN  VOID    *HobStart,
>    IN  UINT16  HobLength
>    )
> @@ -620,7 +620,7 @@ PrintFv3Hob (
>  HOB_PRINT_HANDLER_TABLE  mHobHandles[] = {
>    { EFI_HOB_TYPE_HANDOFF,             "EFI_HOB_TYPE_HANDOFF",
>  PrintHandOffHob            },
>    { EFI_HOB_TYPE_MEMORY_ALLOCATION,   "EFI_HOB_TYPE_MEMORY_ALLOCATION",
>  PrintMemoryAllocationHob   },
> -  { EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, "EFI_HOB_TYPE_RESOURCE_DESCRIPTOR",
> PrintResourceDiscriptorHob },
> +  { EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, "EFI_HOB_TYPE_RESOURCE_DESCRIPTOR",
> PrintResourceDescriptorHob },
>    { EFI_HOB_TYPE_GUID_EXTENSION,      "EFI_HOB_TYPE_GUID_EXTENSION",
> PrintGuidHob               },
>    { EFI_HOB_TYPE_FV,                  "EFI_HOB_TYPE_FV",
> PrintFvHob                 },
>    { EFI_HOB_TYPE_CPU,                 "EFI_HOB_TYPE_CPU",
>  PrintCpuHob                },
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
> b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
> index f37c00fad774..5b864eeefe10 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.c
> @@ -486,12 +486,6 @@ _ModuleEntryPoint (
>    Status = UniversalLoadDxeCore (DxeFv, &DxeCoreEntryPoint);
>    ASSERT_EFI_ERROR (Status);
>
> -  //
> -  // Mask off all legacy 8259 interrupt sources
> -  //
> -  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> -  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> -
>    Hob.HandoffInformationTable = (EFI_HOB_HANDOFF_INFO_TABLE *)GetFirstHob
> (EFI_HOB_TYPE_HANDOFF);
>    HandOffToDxeCore (DxeCoreEntryPoint, Hob);
>
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> index 346e3feb0459..6c3603f12098 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> @@ -13,10 +13,13 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  #include <Library/MemoryAllocationLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/HobLib.h>
> +#include <Library/FdtLib.h>
>  #include "X64/VirtualMemory.h"
>  #include "UefiPayloadEntry.h"
>  #define STACK_SIZE  0x20000
>
> +extern VOID  *mHobList;
> +
>  /**
>     Transfers control to DxeCore.
>
> @@ -40,6 +43,15 @@ HandOffToDxeCore (
>    VOID   *GhcbBase;
>    UINTN  GhcbSize;
>
> +  // Initialize floating point operating environment to be compliant with
> UEFI spec.
> +  InitializeFloatingPointUnits ();
> +
> +  //
> +  // Mask off all legacy 8259 interrupt sources
> +  //
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> +
>    //
>    // Clear page 0 and mark it as allocated if NULL pointer detection is
> enabled.
>    //
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFuncFit.c
> similarity index 74%
> copy from UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> copy to UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFuncFit.c
> index 346e3feb0459..35b52a911df3 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFunc.c
> +++ b/UefiPayloadPkg/UefiPayloadEntry/X64/DxeLoadFuncFit.c
> @@ -1,8 +1,8 @@
>  /** @file
>    x64-specifc functionality for DxeLoad.
>
> -Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR>
> -SPDX-License-Identifier: BSD-2-Clause-Patent
> +  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
>
>  **/
>
> @@ -13,10 +13,14 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  #include <Library/MemoryAllocationLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/HobLib.h>
> +#include <Library/FdtLib.h>
> +#include <Library/PcdLib.h>
>  #include "X64/VirtualMemory.h"
>  #include "UefiPayloadEntry.h"
>  #define STACK_SIZE  0x20000
>
> +extern VOID  *mHobList;
> +
>  /**
>     Transfers control to DxeCore.
>
> @@ -40,6 +44,15 @@ HandOffToDxeCore (
>    VOID   *GhcbBase;
>    UINTN  GhcbSize;
>
> +  // Initialize floating point operating environment to be compliant with
> UEFI spec.
> +  InitializeFloatingPointUnits ();
> +
> +  //
> +  // Mask off all legacy 8259 interrupt sources
> +  //
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_MASTER, 0xFF);
> +  IoWrite8 (LEGACY_8259_MASK_REGISTER_SLAVE, 0xFF);
> +
>    //
>    // Clear page 0 and mark it as allocated if NULL pointer detection is
> enabled.
>    //
> @@ -106,3 +119,17 @@ HandOffToDxeCore (
>      TopOfStack
>      );
>  }
> +
> +/**
> +  Entry point to the C language phase of UEFI payload.
> +  @param[in]   BootloaderParameter    The starting address of bootloader
> parameter block.
> +  @retval      It will not return if SUCCESS, and return error when
> passing bootloader parameter.
> +**/
> +EFI_STATUS
> +EFIAPI
> +_ModuleEntryPoint (
> +  IN UINTN  BootloaderParameter
> +  )
> +{
> +  return FitUplEntryPoint (BootloaderParameter);
> +}
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> b/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> index b87a0989eee3..c87e674f7cbd 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> +++ b/UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> @@ -30,13 +30,13 @@
>  [Sources.Ia32]
>    X64/VirtualMemory.h
>    X64/VirtualMemory.c
> -  Ia32/DxeLoadFunc.c
> +  Ia32/DxeLoadFuncFit.c
>    Ia32/IdtVectorAsm.nasm
>
>  [Sources.X64]
>    X64/VirtualMemory.h
>    X64/VirtualMemory.c
> -  X64/DxeLoadFunc.c
> +  X64/DxeLoadFuncFit.c
>
>  [Packages]
>    MdePkg/MdePkg.dec
> @@ -54,6 +54,8 @@
>    PeCoffLib
>    CpuLib
>    FdtLib
> +  CustomFdtNodeParserLib
> +  PcdLib
>
>  [Guids]
>    gEfiMemoryTypeInformationGuid
> @@ -71,6 +73,7 @@
>    gUniversalPayloadAcpiTableGuid
>    gUniversalPayloadPciRootBridgeInfoGuid
>    gUniversalPayloadSmbios3TableGuid
> +  gUniversalPayloadDeviceTreeGuid
>
>  [FeaturePcd.IA32]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode      ##
> CONSUMES
> @@ -78,7 +81,6 @@
>  [FeaturePcd.X64]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplBuildPageTables       ##
> CONSUMES
>
> -
>  [Pcd.IA32,Pcd.X64]
>    gUefiPayloadPkgTokenSpaceGuid.PcdPcdDriverFile
>    gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable
> ## SOMETIMES_CONSUMES
> @@ -88,11 +90,19 @@
>    gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard
>  ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase
> ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize
> ## CONSUMES
> -
>    gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemBase
>    gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemSize
>    gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
> -
>    gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack               ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdImageProtectionPolicy       ##
> SOMETIMES_CONSUMES
> +  gUefiPayloadPkgTokenSpaceGuid.PcdHandOffFdtEnable
> +  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
> +  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
> +  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
> +  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
> +  gUefiPayloadPkgTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
> +
> +[BuildOptions]
> +  MSFT:*_*_*_CC_FLAGS = /wd4244 /wd4305
> +  GCC:*_*_*_CC_FLAGS  = -Wno-error=pointer-to-int-cast
> -Wno-error=int-to-pointer-cast
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
> b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
> index 80ccc5072c55..09fce8dbcf35 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
> +++ b/UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.h
> @@ -35,6 +35,7 @@
>  #include <UniversalPayload/UniversalPayload.h>
>  #include <UniversalPayload/ExtraData.h>
>  #include <UniversalPayload/SerialPortInfo.h>
> +#include <UniversalPayload/DeviceTree.h>
>  #include <Guid/PcdDataBaseSignatureGuid.h>
>
>  #define LEGACY_8259_MASK_REGISTER_MASTER  0x21
> @@ -134,6 +135,31 @@ UniversalLoadDxeCore (
>    OUT PHYSICAL_ADDRESS            *DxeCoreEntryPoint
>    );
>
> +/**
> +  It will Parse FDT -node based on information.
> +  @param[in]  FdtBase   The starting memory address of FdtBase
> +  @retval HobList   The base address of Hoblist.
> +
> +**/
> +UINT64
> +EFIAPI
> +FdtNodeParser (
> +  IN VOID  *FdtBase
> +  );
> +
> +/**
> +  It will Parse FDT -custom node based on information.
> +  @param[in]  FdtBase The starting memory address of FdtBase
> +  @param[in]  HostList The starting memory address of New Hob list.
> +
> +**/
> +UINTN
> +EFIAPI
> +CustomFdtNodeParser (
> +  IN VOID  *FdtBase,
> +  IN VOID  *HostList
> +  );
> +
>  /**
>     Transfers control to DxeCore.
>
> @@ -206,4 +232,46 @@ BuildHobFromAcpi (
>    IN   UINT64  AcpiTableBase
>    );
>
> +/**
> +  Allocates one or more pages .
> +
> +  Allocates the number of pages of MemoryType and returns a pointer to the
> +  allocated buffer.  The buffer returned is aligned on a 4KB boundary.
> +  If Pages is 0, then NULL is returned.
> +  If there is not enough memory availble to satisfy the request, then NULL
> +  is returned.
> +
> +  @param   Pages                 The number of 4 KB pages to allocate.
> +  @param   MemoryType            The Memorytype
> +  @return  A pointer to the allocated buffer or NULL if allocation fails.
> +**/
> +VOID *
> +EFIAPI
> +PayloadAllocatePages (
> +  IN UINTN            Pages,
> +  IN EFI_MEMORY_TYPE  MemoryType
> +  );
> +
> +/**
> +  Entry point to the C language phase of UEFI payload.
> +  @param[in]   FdtPrt  The starting address of FDT .
> +  @retval      It will not return if SUCCESS, and return error when
> passing bootloader parameter.
> +**/
> +EFI_STATUS
> +EFIAPI
> +FitUplEntryPoint (
> +  IN UINTN  BootloaderParameter
> +  );
> +
> +/**
> +  Entry point to the C language phase of UEFI payload.
> +  @param[in]   BootloaderParameter    The starting address of bootloader
> parameter block.
> +  @retval      It will not return if SUCCESS, and return error when
> passing bootloader parameter.
> +**/
> +EFI_STATUS
> +EFIAPI
> +UplEntryPoint (
> +  IN UINTN  BootloaderParameter
> +  );
> +
>  #endif
> diff --git a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
> b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
> index a62da5c7059d..be91f7be2819 100644
> --- a/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
> +++ b/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
> @@ -6,44 +6,37 @@
>  #  SPDX-License-Identifier: BSD-2-Clause-Patent
>  #
>  ##
> -
>  [Defines]
>    INF_VERSION                    = 1.30
>    BASE_NAME                      = UniversalPayloadEntry
>    FILE_GUID                      = D4F0F269-1209-4A66-8039-C4D5A700EA4E
>    MODULE_TYPE                    = SEC
>    VERSION_STRING                 = 1.0
> -
>  #
>  # The following information is for reference only and not required by the
> build tools.
>  #
>  #  VALID_ARCHITECTURES           = IA32 X64
>  #
> -
>  [Sources]
>    UniversalPayloadEntry.c
>    LoadDxeCore.c
>    MemoryAllocation.c
>    PrintHob.c
>    AcpiTable.c
> -
>  [Sources.Ia32]
>    X64/VirtualMemory.h
>    X64/VirtualMemory.c
>    Ia32/DxeLoadFunc.c
>    Ia32/IdtVectorAsm.nasm
> -
>  [Sources.X64]
>    X64/VirtualMemory.h
>    X64/VirtualMemory.c
>    X64/DxeLoadFunc.c
> -
>  [Packages]
>    MdePkg/MdePkg.dec
>    MdeModulePkg/MdeModulePkg.dec
>    UefiCpuPkg/UefiCpuPkg.dec
>    UefiPayloadPkg/UefiPayloadPkg.dec
> -
>  [LibraryClasses]
>    BaseMemoryLib
>    DebugLib
> @@ -69,14 +62,12 @@
>    gUniversalPayloadAcpiTableGuid
>    gUniversalPayloadPciRootBridgeInfoGuid
>    gUniversalPayloadSmbios3TableGuid
> -
> +  gUniversalPayloadBaseGuid
> +  gUniversalPayloadDeviceTreeGuid
>  [FeaturePcd.IA32]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode      ##
> CONSUMES
> -
>  [FeaturePcd.X64]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplBuildPageTables       ##
> CONSUMES
> -
> -
>  [Pcd.IA32,Pcd.X64]
>    gUefiPayloadPkgTokenSpaceGuid.PcdPcdDriverFile
>    gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable
> ## SOMETIMES_CONSUMES
> @@ -86,12 +77,9 @@
>    gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard
>  ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbBase
> ## CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdGhcbSize
> ## CONSUMES
> -
>    gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemBase
>    gUefiPayloadPkgTokenSpaceGuid.PcdPayloadFdMemSize
>    gUefiPayloadPkgTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
> -
>    gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack               ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdImageProtectionPolicy       ##
> SOMETIMES_CONSUMES
> -
> diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc
> b/UefiPayloadPkg/UefiPayloadPkg.dsc
> index 2860a659f6a7..779f74da7171 100644
> --- a/UefiPayloadPkg/UefiPayloadPkg.dsc
> +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc
> @@ -55,7 +55,7 @@
>    # ELF: Build UniversalPayload file as UniversalPayload.elf
>    # FIT: Build UniversalPayload file as UniversalPayload.fit
>    #
> -  DEFINE UNIVERSAL_PAYLOAD            = FALSE
> +  DEFINE UNIVERSAL_PAYLOAD            = TRUE
>    DEFINE UNIVERSAL_PAYLOAD_FORMAT     = ELF
>
>    #
> @@ -226,6 +226,7 @@
>    OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLib.inf
>    RngLib|MdePkg/Library/BaseRngLib/BaseRngLib.inf
>    HobLib|UefiPayloadPkg/Library/DxeHobLib/DxeHobLib.inf
> +
> CustomFdtNodeParserLib|UefiPayloadPkg/Library/CustomFdtNodeParserNullLib/CustomFdtNodeParserNullLib.inf
>
>    #
>    # UEFI & PI
> @@ -470,6 +471,8 @@
>    gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress|0x0
>    gEfiMdeModulePkgTokenSpaceGuid.PcdStatusCodeUseMemory|FALSE
>    gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable|TRUE
> +  gUefiPayloadPkgTokenSpaceGuid.PcdHandOffFdtEnable|TRUE
> +
>
>    gEfiMdeModulePkgTokenSpaceGuid.PcdBootManagerMenuFile|{ 0x21, 0xaa,
> 0x2c, 0x46, 0x14, 0x76, 0x03, 0x45, 0x83, 0x6e, 0x8a, 0xb6, 0xf4, 0x66,
> 0x23, 0x31 }
>    gUefiPayloadPkgTokenSpaceGuid.PcdPcdDriverFile|{ 0x57, 0x72, 0xcf,
> 0x80, 0xab, 0x87, 0xf9, 0x47, 0xa3, 0xfe, 0xD5, 0x0B, 0x76, 0xd8, 0x95,
> 0x41 }
> @@ -513,7 +516,15 @@
>  !endif
>  !endif
>
> +
>  [PcdsPatchableInModule.X64]
> +  #
> +  # The following parameters are set by Library/PlatformHookLib
> +  #
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialUseMmio|FALSE
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase|0x3F8
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialBaudRate|$(BAUD_RATE)
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride|1
>  !if $(NETWORK_DRIVER_ENABLE) == TRUE
>    gEfiNetworkPkgTokenSpaceGuid.PcdAllowHttpConnections|TRUE
>  !endif
> @@ -635,7 +646,13 @@
>      !if $(UNIVERSAL_PAYLOAD_FORMAT) == "ELF"
>        UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
>      !elseif $(UNIVERSAL_PAYLOAD_FORMAT) == "FIT"
> -      UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> +      UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf {
> +        <LibraryClasses>
> +          FdtLib|MdePkg/Library/BaseFdtLib/BaseFdtLib.inf
> +
> CustomFdtNodeParserLib|UefiPayloadPkg/Library/CustomFdtNodeParserLib/CustomFdtNodeParserLib.inf
> +          NULL|UefiPayloadPkg/Library/FdtParserLib/FdtParseLib.inf
> +          NULL|UefiPayloadPkg/Library/HobParseLib/HobParseLib.inf
> +      }
>      !else
>        UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
>      !endif
> @@ -648,7 +665,13 @@
>      !if $(UNIVERSAL_PAYLOAD_FORMAT) == "ELF"
>        UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf
>      !elseif $(UNIVERSAL_PAYLOAD_FORMAT) == "FIT"
> -      UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf
> +      UefiPayloadPkg/UefiPayloadEntry/FitUniversalPayloadEntry.inf {
> +        <LibraryClasses>
> +          FdtLib|MdePkg/Library/BaseFdtLib/BaseFdtLib.inf
> +
> CustomFdtNodeParserLib|UefiPayloadPkg/Library/CustomFdtNodeParserLib/CustomFdtNodeParserLib.inf
> +          NULL|UefiPayloadPkg/Library/FdtParserLib/FdtParseLib.inf
> +          NULL|UefiPayloadPkg/Library/HobParseLib/HobParseLib.inf
> +      }
>      !else
>        UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.inf
>      !endif
> --
> 2.39.2.windows.1
>
>

-- 
Thanks!
=D


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#119426): https://edk2.groups.io/g/devel/message/119426
Mute This Topic: https://groups.io/mt/106455168/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-



[-- Attachment #2: Type: text/html, Size: 52171 bytes --]

  reply	other threads:[~2024-06-03 11:28 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-03  2:19 [edk2-devel] [PATCH v4 6/6] UefiPayloadPkg: Update UefiPayload driver for FDT support Linus Liu
2024-06-03 11:27 ` Dhaval Sharma [this message]
2024-06-04 17:18   ` Dhaval Sharma
2024-06-05  3:47     ` Linus Liu
2024-06-04 23:10   ` Chiu, Chasel
2024-06-05  1:34     ` [edk2-devel] FW: " Linus Liu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAAxYnhSgt869GbMb04NM4cPupFV567oc2bsM0ZN+Z6JkN3g5yw@mail.gmail.com \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox