From e363c0b7296be020e7fca753ac5e3af10dd7981f Mon Sep 17 00:00:00 2001
From: Hongbin1 Zhang <hongbin1.zhang@intel.com>
Date: Sun, 28 Apr 2024 15:30:23 +0800
Subject: [PATCH] StandaloneMmPkg/MmIpl: StandaloneMmIplPei driver entrypoint

StandaloneMmIplPei driver entrypoint for adding StandaloneMm
Ipl feature code under PEI stage.

Signed-off-by: Hongbin1 Zhang <hongbin1.zhang@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Wei6 Xu <wei6.xu@intel.com>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
---
 .../StandaloneMmIplPei/StandaloneMmIplPei.c   | 31 +++++++++++++
 .../StandaloneMmIplPei/StandaloneMmIplPei.h   | 12 ++++++
 .../StandaloneMmIplPei/StandaloneMmIplPei.inf | 43 +++++++++++++++++++
 StandaloneMmPkg/StandaloneMmPkg.dsc           |  6 +++
 4 files changed, 92 insertions(+)
 create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
 create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h
 create mode 100644 StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf

diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
new file mode 100644
index 0000000000..a3e371f6b9
--- /dev/null
+++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.c
@@ -0,0 +1,31 @@
+/** @file
+  MM IPL that load the MM Core into MMRAM at PEI stage
+
+  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "StandaloneMmIplPei.h"
+
+/**
+  The Entry Point for MM IPL at PEI stage.
+
+  Load MM Core into MMRAM.
+
+  @param  FileHandle  Handle of the file being invoked.
+  @param  PeiServices Describes the list of possible PEI Services.
+
+  @retval EFI_SUCCESS    The entry point is executed successfully.
+  @retval Other          Some error occurred when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+StandaloneMmIplPeiEntry (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  return EFI_SUCCESS;
+}
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h
new file mode 100644
index 0000000000..1b2aef7062
--- /dev/null
+++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.h
@@ -0,0 +1,12 @@
+/** @file
+  Standalone MM IPL Header file
+
+  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef STANDALONE_MM_IPL_PEI_H_
+#define STANDALONE_MM_IPL_PEI_H_
+
+#endif
diff --git a/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf
new file mode 100644
index 0000000000..d5c3c54ebd
--- /dev/null
+++ b/StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf
@@ -0,0 +1,43 @@
+## @file
+#  This module provide a Standalone MM compliant implementation of MM IPL PEIM.
+#
+#  Copyright (c) 2024, Intel Corporation. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = StandaloneMmIplPei
+  FILE_GUID                      = 578A0D17-2DC0-4C7D-A121-D8D771923BB0
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  PI_SPECIFICATION_VERSION       = 0x0001000A
+  ENTRY_POINT                    = StandaloneMmIplPeiEntry
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = X64
+#
+
+[Sources]
+  StandaloneMmIplPei.c
+  StandaloneMmIplPei.h
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+
+[LibraryClasses]
+  PeimEntryPoint
+
+[Guids]
+
+[Ppis]
+
+[Pcd]
+
+[Depex]
+  TRUE
diff --git a/StandaloneMmPkg/StandaloneMmPkg.dsc b/StandaloneMmPkg/StandaloneMmPkg.dsc
index 20a05d0ebf..140e6eca74 100644
--- a/StandaloneMmPkg/StandaloneMmPkg.dsc
+++ b/StandaloneMmPkg/StandaloneMmPkg.dsc
@@ -62,6 +62,9 @@
   HobPrintLib|MdeModulePkg/Library/HobPrintLib/HobPrintLib.inf
   MmPlatformHobProducerLib|StandaloneMmPkg/Library/MmPlatformHobProducerLibNull/MmPlatformHobProducerLibNull.inf
 
+[LibraryClasses.common.PEIM]
+  PeimEntryPoint|MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
+
 [LibraryClasses.AARCH64, LibraryClasses.ARM]
   ArmLib|ArmPkg/Library/ArmLib/ArmBaseLib.inf
   StandaloneMmMmuLib|ArmPkg/Library/StandaloneMmMmuLib/ArmMmuStandaloneMmLib.inf
@@ -137,6 +140,9 @@
   StandaloneMmPkg/Drivers/StandaloneMmCpu/StandaloneMmCpu.inf
   StandaloneMmPkg/Library/StandaloneMmPeCoffExtraActionLib/StandaloneMmPeCoffExtraActionLib.inf
 
+[Components.X64]
+  StandaloneMmPkg/Drivers/StandaloneMmIplPei/StandaloneMmIplPei.inf
+
 ###################################################################################################
 #
 # BuildOptions Section - Define the module specific tool chain flags that should be used as