From 2302a3eefedd8098cc94c9546359a72520d27259 Mon Sep 17 00:00:00 2001
From: PaddyDeng <v-paddydeng@microsoft.com>
Date: Thu, 24 Oct 2024 15:00:30 +0800
Subject: [PATCH] Create PlatformInitPreMemNonFsp

PlatformInitPreMemNonFsp provides identical function compares to PlatformInitPreMem.
But using FspSupportNull.c thus does not require IntelSiliconPkg and IntelFsp2WrapperPkg as dependency.
---
 .../PlatformInit/PlatformInitPei/FspSupport.c | 10 +++
 .../PlatformInitPei/FspSupportNull.c          | 10 +++
 .../PlatformInitPei/PlatformInitPreMem.c      |  8 ++-
 .../PlatformInitPei/PlatformInitPreMem.inf    |  1 +
 .../PlatformInitPreMemNonFsp.inf              | 67 +++++++++++++++++++
 5 files changed, 95 insertions(+), 1 deletion(-)
 create mode 100644 MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupport.c
 create mode 100644 MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupportNull.c
 create mode 100644 MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMemNonFsp.inf

diff --git a/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupport.c b/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupport.c
new file mode 100644
index 0000000000..0ee337fa4e
--- /dev/null
+++ b/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupport.c
@@ -0,0 +1,10 @@
+#include <PiPei.h>
+
+UINT8
+EFIAPI
+FspGetModeSelection (
+  VOID
+  )
+{
+  return PcdGet8 (PcdFspModeSelection);
+}
\ No newline at end of file
diff --git a/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupportNull.c b/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupportNull.c
new file mode 100644
index 0000000000..3afcca580f
--- /dev/null
+++ b/MinPlatformPkg/PlatformInit/PlatformInitPei/FspSupportNull.c
@@ -0,0 +1,10 @@
+#include <PiPei.h>
+
+UINT8
+EFIAPI
+FspGetModeSelection (
+  VOID
+  )
+{
+  return 0;
+}
\ No newline at end of file
diff --git a/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c
index 8e5eaec084..a334ce73af 100644
--- a/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c
+++ b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c
@@ -47,6 +47,12 @@ GetPlatformMemorySize (
   IN OUT  UINT64                                 *MemorySize
   );
 
+UINT8
+EFIAPI
+FspGetModeSelection (
+  VOID
+);
+
 /**
 
   This function checks the memory range in PEI.
@@ -516,7 +522,7 @@ PlatformInitPreMem (
 
   BuildMemoryTypeInformation ();
 
-  if ((!PcdGetBool (PcdFspWrapperBootMode)) || (PcdGet8 (PcdFspModeSelection) == 0)) {
+  if ((!PcdGetBool (PcdFspWrapperBootMode)) || (FspGetModeSelection() == 0)) {
     //
     // Install memory relating PPIs for EDKII native build and FSP dispatch mode
     //
diff --git a/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf
index c8fa0ed3ac..7f4f8ce407 100644
--- a/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf
+++ b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.inf
@@ -51,6 +51,7 @@
 
 [Sources]
   PlatformInitPreMem.c
+  FspSupport.c
 
 [Ppis]
   gEfiPeiMemoryDiscoveredPpiGuid
diff --git a/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMemNonFsp.inf b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMemNonFsp.inf
new file mode 100644
index 0000000000..a2208b455f
--- /dev/null
+++ b/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMemNonFsp.inf
@@ -0,0 +1,67 @@
+### @file
+# Component information file for the Platform Init Pre-Memory PEI module.
+#
+# Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+###
+
+[Defines]
+  INF_VERSION                    = 0x00010017
+  BASE_NAME                      = PlatformInitPreMemNonFsp
+  FILE_GUID                      = BEB6F1A6-F6BC-4C34-AB32-F0390A428479
+  VERSION_STRING                 = 1.0
+  MODULE_TYPE                    = PEIM
+  ENTRY_POINT                    = PlatformInitPreMemEntryPoint
+
+[LibraryClasses]
+  BaseMemoryLib
+  BoardInitLib
+  DebugLib
+  HobLib
+  IoLib
+  MemoryAllocationLib
+  PeimEntryPoint
+  PeiServicesLib
+  TestPointCheckLib
+  TimerLib
+  SetCacheMtrrLib
+  ReportCpuHobLib
+
+[Packages]
+  MinPlatformPkg/MinPlatformPkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  MdePkg/MdePkg.dec
+
+[Pcd]
+  gMinPlatformPkgTokenSpaceGuid.PcdFspWrapperBootMode          ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdStopAfterDebugInit          ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdStopAfterMemInit            ## CONSUMES
+
+[FixedPcd]
+  gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiAcpiReclaimMemorySize  ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiAcpiNvsMemorySize      ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiReservedMemorySize     ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiRtDataMemorySize       ## CONSUMES
+  gMinPlatformPkgTokenSpaceGuid.PcdPlatformEfiRtCodeMemorySize       ## CONSUMES
+
+[Sources]
+  PlatformInitPreMem.c
+  FspSupportNull.c
+
+[Ppis]
+  gEfiPeiMemoryDiscoveredPpiGuid
+  gEfiPeiMasterBootModePpiGuid                  ## PRODUCES
+  gEfiPeiBootInRecoveryModePpiGuid              ## PRODUCES
+  gPlatformInitTempRamExitPpiGuid               ## PRODUCES
+  gEfiPeiReadOnlyVariable2PpiGuid
+  gPeiBaseMemoryTestPpiGuid
+  gPeiPlatformMemorySizePpiGuid
+
+[Guids]
+  gEfiMemoryTypeInformationGuid
+  gEfiMemoryTypeMinimumAllocationGuid  #MU_CHANGE - Add minimum memory type allocations
+
+[Depex]
+  gEfiPeiReadOnlyVariable2PpiGuid