[PATCH 2/4] MdePkg: Import MmServicesTableLib library.

[PATCH 2/4] MdePkg: Import MmServicesTableLib library.

[Marvin Häuser]

Implements the MmServicesTableLib library class.
The code was derieved from SmmServicesTableLib.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
---
 MdePkg/Library/MmServicesTableLib/MmServicesTableLib.c   | 85 ++++++++++++++++++++
 MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf | 41 ++++++++++
 MdePkg/Library/MmServicesTableLib/MmServicesTableLib.uni | 21 +++++
 MdePkg/MdePkg.dsc                                        |  1 +
 4 files changed, 148 insertions(+)

diff --git a/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.c b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.c
new file mode 100644
index 000000000000..1ecbb044162d
--- /dev/null
+++ b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.c
@@ -0,0 +1,85 @@
+/** @file
+  MM Services Table Library.
+
+  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiMm.h>
+#include <Protocol/MmBase.h>
+#include <Library/MmServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+EFI_MM_SYSTEM_TABLE *gMmst = NULL;
+
+/**
+  The constructor function caches the pointer of MM Services Table.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+MmServicesTableLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS           Status;
+  EFI_MM_BASE_PROTOCOL *InternalMmBase;
+
+  InternalMmBase = NULL;
+  //
+  // Retrieve MM Base Protocol,  Do not use gBS from UefiBootServicesTableLib on purpose
+  // to prevent inclusion of gBS, gST, and gImageHandle from MM Drivers unless the
+  // MM driver explicity declares that dependency.
+  //
+  Status = SystemTable->BootServices->LocateProtocol (
+                                        &gEfiMmBaseProtocolGuid,
+                                        NULL,
+                                        (VOID **)&InternalMmBase
+                                        );
+  ASSERT_EFI_ERROR (Status);
+  ASSERT (InternalMmBase != NULL);
+
+  //
+  // We are in MM, retrieve the pointer to MM System Table
+  //
+  InternalMmBase->GetMmstLocation (InternalMmBase, &gMmst);
+  ASSERT (gMmst != NULL);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  This function allows the caller to determine if the driver is executing in
+  Management Mode(MM).
+
+  This function returns TRUE if the driver is executing in MM and FALSE if the
+  driver is not executing in MM.
+
+  @retval  TRUE  The driver is executing in Management Mode (MM).
+  @retval  FALSE The driver is not executing in Management Mode (MM).
+
+**/
+BOOLEAN
+EFIAPI
+InMm (
+  VOID
+  )
+{
+  //
+  // We are already in MM
+  //
+  return TRUE;
+}
diff --git a/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf
new file mode 100644
index 000000000000..fd6b2cbe1f94
--- /dev/null
+++ b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf
@@ -0,0 +1,41 @@
+## @file
+# MM Services Table Library.
+#
+# Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MmServicesTableLib
+  MODULE_UNI_FILE                = MmServicesTableLib.uni
+  FILE_GUID                      = 319D85EE-D290-4B26-BBDA-9D43CF35DF60
+  MODULE_TYPE                    = DXE_SMM_DRIVER
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = MmServicesTableLib|DXE_SMM_DRIVER
+  PI_SPECIFICATION_VERSION       = 0x0001000A
+  CONSTRUCTOR                    = MmServicesTableLibConstructor
+
+[Sources]
+  MmServicesTableLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
+[LibraryClasses]
+  DebugLib
+
+[Protocols]
+  gEfiMmBaseProtocolGuid  ## CONSUMES
+
+[Depex]
+  gEfiMmBaseProtocolGuid
+
diff --git a/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.uni b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.uni
new file mode 100644
index 000000000000..5194cd829051
--- /dev/null
+++ b/MdePkg/Library/MmServicesTableLib/MmServicesTableLib.uni
@@ -0,0 +1,21 @@
+// /** @file
+// MM Services Table Library.
+//
+// MM Services Table Library.
+//
+// Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php.
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "MM Services Table Library"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "MM Services Table Library."
+
diff --git a/MdePkg/MdePkg.dsc b/MdePkg/MdePkg.dsc
index c7b93d4c8c44..7903638f8dad 100644
--- a/MdePkg/MdePkg.dsc
+++ b/MdePkg/MdePkg.dsc
@@ -151,6 +151,7 @@ [Components.IA32, Components.X64]
   MdePkg/Library/SmmIoLibSmmCpuIo2/SmmIoLibSmmCpuIo2.inf
   MdePkg/Library/SmmPciLibPciRootBridgeIo/SmmPciLibPciRootBridgeIo.inf
   MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
+  MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf
   MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
   MdePkg/Library/SmmPeriodicSmiLib/SmmPeriodicSmiLib.inf
   MdePkg/Library/BaseS3BootScriptLibNull/BaseS3BootScriptLibNull.inf
-- 
2.18.0.windows.1

[PATCH 3/4] MdeModulePkg: Import PiSmmCoreMmServicesTableLib library.

[Marvin Häuser]

Implements the MmServicesTableLib library class for PiSmmCore.
The code was derieved from PiSmmCoreSmmServicesTableLib.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
---
 MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.c   | 61 ++++++++++++++++++++
 MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.inf | 32 ++++++++++
 MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.uni | 21 +++++++
 3 files changed, 114 insertions(+)

diff --git a/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.c b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.c
new file mode 100644
index 000000000000..9184e9e2e6c9
--- /dev/null
+++ b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.c
@@ -0,0 +1,61 @@
+/** @file
+  SMM Core MM Services Table Library.
+
+  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiMm.h>
+#include <PiSmm.h>
+#include <Library/MmServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+EFI_MM_SYSTEM_TABLE           *gMmst = NULL;
+extern EFI_SMM_SYSTEM_TABLE2  gSmmCoreSmst;
+
+/**
+  The constructor function caches the pointer of MM Services Table.
+
+  @param  ImageHandle   The firmware allocated handle for the EFI image.
+  @param  SystemTable   A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmCoreMmServicesTableLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  gMmst = (EFI_MM_SYSTEM_TABLE *)&gSmmCoreSmst;
+  return EFI_SUCCESS;
+}
+
+/**
+  This function allows the caller to determine if the driver is executing in
+  Management Mode(MM).
+
+  This function returns TRUE if the driver is executing in MM and FALSE if the
+  driver is not executing in MM.
+
+  @retval  TRUE  The driver is executing in Management Mode (MM).
+  @retval  FALSE The driver is not executing in Management Mode (MM).
+
+**/
+BOOLEAN
+EFIAPI
+InMm (
+  VOID
+  )
+{
+  return TRUE;
+}
diff --git a/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.inf b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.inf
new file mode 100644
index 000000000000..06bb455b1777
--- /dev/null
+++ b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.inf
@@ -0,0 +1,32 @@
+## @file
+# SMM Core MM Services Table Library.
+#
+# Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PiSmmCoreMmServicesTableLib
+  MODULE_UNI_FILE                = PiSmmCoreMmServicesTableLib.uni
+  FILE_GUID                      = 9E32CD7E-DB34-42B5-B5FA-77DD98633F47
+  MODULE_TYPE                    = SMM_CORE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = MmServicesTableLib|SMM_CORE
+  PI_SPECIFICATION_VERSION       = 0x0001000A
+  CONSTRUCTOR                    = SmmCoreMmServicesTableLibConstructor
+
+[Sources]
+  PiSmmCoreMmServicesTableLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+
diff --git a/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.uni b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.uni
new file mode 100644
index 000000000000..dbf7ce93731e
--- /dev/null
+++ b/MdeModulePkg/Library/PiSmmCoreMmServicesTableLib/PiSmmCoreMmServicesTableLib.uni
@@ -0,0 +1,21 @@
+// /** @file
+// SMM Core MM Services Table Library.
+//
+// SMM Core MM Services Table Library.
+//
+// Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "SMM Core MM Services Table Library"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "SMM Core MM Services Table Library."
+
-- 
2.18.0.windows.1

[PATCH 4/4] StandaloneMmPkg: Import StandaloneMmServicesTableLib library.

[Marvin Häuser]

Implements the MmServicesTableLib library class for MM Stanalone
modules.  The code was derieved from SmmServicesTableLib.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
---
 StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c   | 64 ++++++++++++++++++++
 StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf | 35 +++++++++++
 StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.uni | 21 +++++++
 3 files changed, 120 insertions(+)

diff --git a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c
new file mode 100644
index 000000000000..d33ff953b555
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.c
@@ -0,0 +1,64 @@
+/** @file
+  Standalone MM Services Table Library.
+
+  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiMm.h>
+#include <Library/MmServicesTableLib.h>
+#include <Library/DebugLib.h>
+
+EFI_MM_SYSTEM_TABLE *gMmst = NULL;
+
+/**
+  The constructor function caches the pointer of MM Services Table.
+
+  @param  ImageHandle    The firmware allocated handle for the EFI image.
+  @param  MmSystemTable  A pointer to the MM System Table.
+
+  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+StandaloneMmServicesTableLibConstructor (
+  IN EFI_HANDLE           ImageHandle,
+  IN EFI_MM_SYSTEM_TABLE  *MmSystemTable
+  )
+{
+  gMmst = MmSystemTable;
+  ASSERT (gMmst != NULL);
+
+  return EFI_SUCCESS;
+}
+
+/**
+  This function allows the caller to determine if the driver is executing in
+  Management Mode(MM).
+
+  This function returns TRUE if the driver is executing in MM and FALSE if the
+  driver is not executing in MM.
+
+  @retval  TRUE  The driver is executing in Management Mode (MM).
+  @retval  FALSE The driver is not executing in Management Mode (MM).
+
+**/
+BOOLEAN
+EFIAPI
+InMm (
+  VOID
+  )
+{
+  //
+  // We are already in MM
+  //
+  return TRUE;
+}
diff --git a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf
new file mode 100644
index 000000000000..bfe5678a5bc0
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf
@@ -0,0 +1,35 @@
+## @file
+# Standalone MM Services Table Library.
+#
+# Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+#
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution. The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php.
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = StandaloneMmServicesTableLib
+  MODULE_UNI_FILE                = StandaloneMmServicesTableLib.uni
+  FILE_GUID                      = 821F6D8E-CE99-4CD5-B1FD-C33AC8BA5704
+  MODULE_TYPE                    = MM_STANDALONE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = MmServicesTableLib|MM_STANDALONE
+  PI_SPECIFICATION_VERSION       = 0x0001000A
+  CONSTRUCTOR                    = StandaloneMmServicesTableLibConstructor
+
+[Sources]
+  StandaloneMmServicesTableLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  StandaloneMmPkg/StandaloneMmPkg.dec
+
+[LibraryClasses]
+  DebugLib
diff --git a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.uni b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.uni
new file mode 100644
index 000000000000..c0581e2820ce
--- /dev/null
+++ b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.uni
@@ -0,0 +1,21 @@
+// /** @file
+// Standalone MM Services Table Library.
+//
+// Standalone MM Services Table Library.
+//
+// Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.<BR>
+//
+// This program and the accompanying materials
+// are licensed and made available under the terms and conditions of the BSD License
+// which accompanies this distribution. The full text of the license may be found at
+// http://opensource.org/licenses/bsd-license.php.
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+//
+// **/
+
+
+#string STR_MODULE_ABSTRACT             #language en-US "Standalone MM Services Table Library"
+
+#string STR_MODULE_DESCRIPTION          #language en-US "Standalone MM Services Table Library."
+
-- 
2.18.0.windows.1

Re: [PATCH 4/4] StandaloneMmPkg: Import StandaloneMmServicesTableLib library.

[Marvin Häuser]

Comment inline.

Thanks,
Marvin

> -----Original Message-----
> From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Marvin
> Häuser
> Sent: Sunday, July 22, 2018 12:32 AM
> To: edk2-devel@lists.01.org
> Cc: ruiyu.ni@intel.com; eric.dong@intel.com; liming.gao@intel.com;
> jiewen.yao@intel.com; michael.d.kinney@intel.com; star.zeng@intel.com
> Subject: [edk2] [PATCH 4/4] StandaloneMmPkg: Import
> StandaloneMmServicesTableLib library.
> 
> Implements the MmServicesTableLib library class for MM Stanalone
> modules.  The code was derieved from SmmServicesTableLib.
> 
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
> ---
> 
> StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmS
> ervicesTableLib.c   | 64 ++++++++++++++++++++
> 
> StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmS
> ervicesTableLib.inf | 35 +++++++++++
> StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneMmS
> ervicesTableLib.uni | 21 +++++++
>  3 files changed, 120 insertions(+)
> 
> diff --git
> a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.c
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.c
> new file mode 100644
> index 000000000000..d33ff953b555
> --- /dev/null
> +++
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mS
> +++ ervicesTableLib.c
> @@ -0,0 +1,64 @@
> +/** @file
> +  Standalone MM Services Table Library.
> +
> +  Copyright (c) 2010 - 2018, Intel Corporation. All rights
> + reserved.<BR>  This program and the accompanying materials  are
> + licensed and made available under the terms and conditions of the BSD
> + License  which accompanies this distribution.  The full text of the
> + license may be found at  http://opensource.org/licenses/bsd-license.php.
> +
> +  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS,
> + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> EXPRESS OR IMPLIED.
> +
> +**/
> +
> +#include <PiMm.h>
> +#include <Library/MmServicesTableLib.h> #include <Library/DebugLib.h>
> +
> +EFI_MM_SYSTEM_TABLE *gMmst = NULL;
> +
> +/**
> +  The constructor function caches the pointer of MM Services Table.
> +
> +  @param  ImageHandle    The firmware allocated handle for the EFI image.
> +  @param  MmSystemTable  A pointer to the MM System Table.
> +
> +  @retval EFI_SUCCESS   The constructor always returns EFI_SUCCESS.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +StandaloneMmServicesTableLibConstructor (
> +  IN EFI_HANDLE           ImageHandle,
> +  IN EFI_MM_SYSTEM_TABLE  *MmSystemTable
> +  )
> +{
> +  gMmst = MmSystemTable;
> +  ASSERT (gMmst != NULL);
> +
> +  return EFI_SUCCESS;
> +}
> +
> +/**
> +  This function allows the caller to determine if the driver is
> +executing in
> +  Management Mode(MM).
> +
> +  This function returns TRUE if the driver is executing in MM and FALSE
> + if the  driver is not executing in MM.
> +
> +  @retval  TRUE  The driver is executing in Management Mode (MM).
> +  @retval  FALSE The driver is not executing in Management Mode (MM).
> +
> +**/
> +BOOLEAN
> +EFIAPI
> +InMm (
> +  VOID
> +  )
> +{
> +  //
> +  // We are already in MM
> +  //
> +  return TRUE;
> +}
> diff --git
> a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.inf
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.inf
> new file mode 100644
> index 000000000000..bfe5678a5bc0
> --- /dev/null
> +++
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mS
> +++ ervicesTableLib.inf
> @@ -0,0 +1,35 @@
> +## @file
> +# Standalone MM Services Table Library.
> +#
> +# Copyright (c) 2009 - 2014, Intel Corporation. All rights
> +reserved.<BR> # #  This program and the accompanying materials #  are
> +licensed and made available under the terms and conditions of the BSD
> +License #  which accompanies this distribution. The full text of the
> +license may be found at #  http://opensource.org/licenses/bsd-license.php.
> +#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> +BASIS, #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> +#
> +#
> +##
> +
> +[Defines]
> +  INF_VERSION                    = 0x00010005
> +  BASE_NAME                      = StandaloneMmServicesTableLib
> +  MODULE_UNI_FILE                = StandaloneMmServicesTableLib.uni
> +  FILE_GUID                      = 821F6D8E-CE99-4CD5-B1FD-C33AC8BA5704
> +  MODULE_TYPE                    = MM_STANDALONE
> +  VERSION_STRING                 = 1.0
> +  LIBRARY_CLASS                  = MmServicesTableLib|MM_STANDALONE
> +  PI_SPECIFICATION_VERSION       = 0x0001000A

I just noticed I forgot to stage the update of this value to 0x00010032 when committing.
I can send a V2 once the other patches have been commented on / reviewed.

> +  CONSTRUCTOR                    = StandaloneMmServicesTableLibConstructor
> +
> +[Sources]
> +  StandaloneMmServicesTableLib.c
> +
> +[Packages]
> +  MdePkg/MdePkg.dec
> +  StandaloneMmPkg/StandaloneMmPkg.dec
> +
> +[LibraryClasses]
> +  DebugLib
> diff --git
> a/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.uni
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mServicesTableLib.uni
> new file mode 100644
> index 000000000000..c0581e2820ce
> --- /dev/null
> +++
> b/StandaloneMmPkg/Library/StandaloneMmServicesTableLib/StandaloneM
> mS
> +++ ervicesTableLib.uni
> @@ -0,0 +1,21 @@
> +// /** @file
> +// Standalone MM Services Table Library.
> +//
> +// Standalone MM Services Table Library.
> +//
> +// Copyright (c) 2009 - 2014, Intel Corporation. All rights
> +reserved.<BR> // // This program and the accompanying materials // are
> +licensed and made available under the terms and conditions of the BSD
> +License // which accompanies this distribution. The full text of the
> +license may be found at // http://opensource.org/licenses/bsd-
> license.php.
> +// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> +BASIS, // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> +//
> +// **/
> +
> +
> +#string STR_MODULE_ABSTRACT             #language en-US "Standalone MM
> Services Table Library"
> +
> +#string STR_MODULE_DESCRIPTION          #language en-US "Standalone MM
> Services Table Library."
> +
> --
> 2.18.0.windows.1
> 
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