Platform PEI module for LoongArch platform initialization.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4054

Cc: Bibo Mao <maobibo@loongson.cn>
Cc: Chao Li <lichao@loongson.cn>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: xianglai li <lixianglai@loongson.cn>
---
 .../Loongson/LoongArchQemuPkg/Loongson.dec    |  23 ++
 .../Loongson/LoongArchQemuPkg/Loongson.dsc    |  64 +++++
 .../Loongson/LoongArchQemuPkg/Loongson.fdf    |  51 ++++
 .../LoongArchQemuPkg/PlatformPei/Fv.c         |  58 ++++
 .../LoongArchQemuPkg/PlatformPei/MemDetect.c  | 104 +++++++
 .../LoongArchQemuPkg/PlatformPei/Platform.c   | 261 ++++++++++++++++++
 .../LoongArchQemuPkg/PlatformPei/Platform.h   |  86 ++++++
 .../PlatformPei/PlatformPei.inf               |  72 +++++
 8 files changed, 719 insertions(+)
 create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
 create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
 create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
 create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
 create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf

diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.dec b/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
index 61f600b20d..aeae75a678 100644
--- a/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
+++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
@@ -32,7 +32,30 @@
 [PcdsFixedAtBuild, PcdsDynamic]
   gLoongArchQemuPkgTokenSpaceGuid.PcdFlashPeiFvBase|0x0|UINT64|0x00000000
   gLoongArchQemuPkgTokenSpaceGuid.PcdFlashPeiFvSize|0x0|UINT32|0x00000001
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvBase|0x0|UINT64|0x00000003
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvSize|0x0|UINT32|0x00000004
+  gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase|0x0|UINT64|0x00000009
+  gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreePadding|256|UINT32|0x0000000a
+
   gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase|0|UINT64|0x0000000b
   gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize|0|UINT32|0x0000000c
+  gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop|0x0|UINT64|0x0000000d
+  gLoongArchQemuPkgTokenSpaceGuid.PcdRamRegionsBottom|0x0|UINT64|0x0000000e
   gLoongArchQemuPkgTokenSpaceGuid.PcdFlashSecFvBase|0x0|UINT64|0x0000000f
   gLoongArchQemuPkgTokenSpaceGuid.PcdFlashSecFvSize|0x0|UINT32|0x00000010
+
+## In the PcdsFixedAtBuild.LOONGARCH64 area, numbers start at 0x10000.
+[PcdsFixedAtBuild.LOONGARCH64]
+   gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|32|UINT8|0x00010000
+   gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize|0|UINT8|0x00010001
+
+## In the PcdsDynamic area, numbers start at 0x20000.
+[PcdsDynamic]
+  gLoongArchQemuPkgTokenSpaceGuid.PcdRamSize|0x40000000|UINT64|0x00020000
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFwCfgSelectorAddress|0x0|UINT64|0x00020001
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFwCfgDataAddress|0x0|UINT64|0x00020002
+  gLoongArchQemuPkgTokenSpaceGuid.PcdSwapPageDir|0x0|UINT64|0x00020003
+  gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPgd|0x0|UINT64|0x00020004
+  gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPud|0x0|UINT64|0x00020005
+  gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPmd|0x0|UINT64|0x00020006
+  gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPte|0x0|UINT64|0x00020007
diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
index b506f70625..b78a7e3b49 100644
--- a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
+++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
@@ -56,16 +56,53 @@
 
 [LibraryClasses.common]
   PcdLib                           | MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
+  TimerLib                         | Platform/Loongson/LoongArchQemuPkg/Library/StableTimerLib/TimerLib.inf
   PrintLib                         | MdePkg/Library/BasePrintLib/BasePrintLib.inf
   BaseMemoryLib                    | MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
   BaseLib                          | MdePkg/Library/BaseLib/BaseLib.inf
+  PerformanceLib                   | MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
   PeCoffLib                        | MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
+  CacheMaintenanceLib              | MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
+  UefiDecompressLib                | MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
   PeCoffGetEntryPointLib           | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
   IoLib                            | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
   SerialPortLib                    | Platform/Loongson/LoongArchQemuPkg/Library/SerialPortLib/SerialPortLib.inf
   DebugPrintErrorLevelLib          | MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
+  FdtLib                           | EmbeddedPkg/Library/FdtLib/FdtLib.inf
   PeCoffExtraActionLib             | MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
   DebugAgentLib                    | MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
+  PeiServicesLib                   | MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
+
+[LibraryClasses.common.SEC]
+  ReportStatusCodeLib              | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
+  HobLib                           | MdePkg/Library/PeiHobLib/PeiHobLib.inf
+  MemoryAllocationLib              | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
+
+[LibraryClasses.common.PEI_CORE]
+  HobLib                           | MdePkg/Library/PeiHobLib/PeiHobLib.inf
+  PeiServicesTablePointerLib       | Platform/Loongson/LoongArchQemuPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
+  MemoryAllocationLib              | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
+  PeiCoreEntryPoint                | MdePkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.inf
+  ReportStatusCodeLib              | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
+  OemHookStatusCodeLib             | MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
+  PeCoffGetEntryPointLib           | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
+  QemuFwCfgLib                     | Platform/Loongson/LoongArchQemuPkg/Library/QemuFwCfgLib/QemuFwCfgPeiLib.inf
+  MmuLib                           | Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/MmuBaseLibPei.inf
+
+[LibraryClasses.common.PEIM]
+  HobLib                           | MdePkg/Library/PeiHobLib/PeiHobLib.inf
+  PeiServicesTablePointerLib       | Platform/Loongson/LoongArchQemuPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
+  MemoryAllocationLib              | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
+  PeimEntryPoint                   | MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
+  ReportStatusCodeLib              | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
+  OemHookStatusCodeLib             | MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
+  PeCoffGetEntryPointLib           | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
+  PeiResourcePublicationLib        | MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf
+  ExtractGuidedSectionLib          | MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
+  PcdLib                           | MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+  QemuFwCfgS3Lib                   | OvmfPkg/Library/QemuFwCfgS3Lib/PeiQemuFwCfgS3LibFwCfg.inf
+  QemuFwCfgLib                     | Platform/Loongson/LoongArchQemuPkg/Library/QemuFwCfgLib/QemuFwCfgPeiLib.inf
+  MmuLib                           | Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/MmuBaseLibPei.inf
 
 ################################################################################
 #
@@ -111,8 +148,16 @@
   # ASSERT_BREAKPOINT_ENABLED  0x10
   # ASSERT_DEADLOOP_ENABLED    0x20
 
+#######################################################################################
   gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase                 | 0x10000
   gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize                 | 0x10000
+  gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase                    | 0x200000
+  #
+  # minimal memory for uefi bios should be 512M
+  # 0x00000000 - 0x10000000
+  # 0x90000000 - 0xA0000000
+  #
+  gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop                        | 0x10000000
 
 [Components]
 
@@ -120,3 +165,22 @@
   # SEC Phase modules
   #
   Platform/Loongson/LoongArchQemuPkg/Sec/SecMain.inf
+
+  #
+  # PEI Phase modules
+  #
+  MdeModulePkg/Core/Pei/PeiMain.inf
+  MdeModulePkg/Universal/PCD/Pei/Pcd.inf  {
+    <LibraryClasses>
+      PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
+  }
+  MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
+  MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf {
+    <LibraryClasses>
+      NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf
+  }
+
+  Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf {
+    <LibraryClasses>
+      PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
+  }
diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf b/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
index 9685795cda..8e257f2392 100644
--- a/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
+++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
@@ -45,9 +45,60 @@ READ_LOCK_STATUS   = TRUE
 
 INF  Platform/Loongson/LoongArchQemuPkg/Sec/SecMain.inf
 
+#####################################################################################################
+[FV.PEIFV]
+FvNameGuid         = 6f856a84-de7d-4af9-93a3-342b4ecb46eb
+BlockSize          = $(BLOCK_SIZE)
+FvAlignment        = 16
+ERASE_POLARITY     = 1
+MEMORY_MAPPED      = TRUE
+STICKY_WRITE       = TRUE
+LOCK_CAP           = TRUE
+LOCK_STATUS        = TRUE
+READ_DISABLED_CAP  = TRUE
+READ_ENABLED_CAP   = TRUE
+READ_STATUS        = TRUE
+READ_LOCK_CAP      = TRUE
+READ_LOCK_STATUS   = TRUE
+WRITE_DISABLED_CAP = TRUE
+WRITE_ENABLED_CAP  = TRUE
+WRITE_STATUS       = TRUE
+WRITE_LOCK_CAP     = TRUE
+WRITE_LOCK_STATUS  = TRUE
+
+APRIORI PEI {
+  INF  MdeModulePkg/Universal/PCD/Pei/Pcd.inf
+}
+
+#
+#  PEI Phase modules
+#
+
+INF  MdeModulePkg/Core/Pei/PeiMain.inf
+INF  MdeModulePkg/Universal/PCD/Pei/Pcd.inf
+INF  MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
+INF  Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
+
 #####################################################################################################
 [Rule.Common.SEC]
   FILE SEC = $(NAMED_GUID) {
     TE       TE Align = Auto   $(INF_OUTPUT)/$(MODULE_NAME).efi
     UI       STRING ="$(MODULE_NAME)" Optional
   }
+
+#####################################################################################################
+[Rule.Common.PEI_CORE]
+  FILE PEI_CORE = $(NAMED_GUID) {
+    TE       TE   Align=Auto    $(INF_OUTPUT)/$(MODULE_NAME).efi
+    UI       STRING ="$(MODULE_NAME)" Optional
+  }
+
+#####################################################################################################
+[Rule.Common.PEIM]
+  FILE PEIM = $(NAMED_GUID) {
+     PEI_DEPEX PEI_DEPEX Optional        $(INF_OUTPUT)/$(MODULE_NAME).depex
+     PE32      PE32   Align=Auto         $(INF_OUTPUT)/$(MODULE_NAME).efi
+     UI        STRING="$(MODULE_NAME)" Optional
+  }
+
+#####################################################################################################
diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
new file mode 100644
index 0000000000..06b2807d6c
--- /dev/null
+++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
@@ -0,0 +1,58 @@
+/** @file
+  Build FV related hobs for platform.
+
+  Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "PiPei.h"
+#include "Platform.h"
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PcdLib.h>
+
+/**
+  Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
+  and DXE know about them.
+
+  @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.
+**/
+EFI_STATUS
+PeiFvInitialization (
+  VOID
+  )
+{
+  DEBUG ((DEBUG_INFO, "Platform PEI Firmware Volume Initialization\n"));
+
+  //
+  // Create a memory allocation HOB for the PEI FV.
+  //
+  BuildMemoryAllocationHob (
+    PcdGet64 (PcdSecPeiTempRamBase),
+    PcdGet32 (PcdSecPeiTempRamSize),
+    EfiBootServicesData
+    );
+
+  //
+  // Let DXE know about the DXE FV
+  //
+  BuildFvHob (PcdGet64 (PcdFlashDxeFvBase), PcdGet32 (PcdFlashDxeFvSize));
+
+  //
+  // Let PEI know about the DXE FV so it can find the DXE Core
+  //
+  DEBUG ((DEBUG_INFO, "DXEFV base:%p size:%x\n", (VOID *) (UINTN)PcdGet64 (PcdFlashDxeFvBase),
+    PcdGet32 (PcdFlashDxeFvSize)));
+  PeiServicesInstallFvInfoPpi (
+    NULL,
+    (VOID *) (UINTN)PcdGet64 (PcdFlashDxeFvBase),
+    PcdGet32 (PcdFlashDxeFvSize),
+    NULL,
+    NULL
+    );
+
+  return EFI_SUCCESS;
+}
diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
new file mode 100644
index 0000000000..fad4cff8d8
--- /dev/null
+++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
@@ -0,0 +1,104 @@
+/** @file
+  Memory Detection for Virtual Machines.
+
+  Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+//
+// The package level header files this module uses
+//
+#include <PiPei.h>
+
+//
+// The Library classes this module consumes
+//
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/IoLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/ResourcePublicationLib.h>
+#include <Library/QemuFwCfgLib.h>
+#include "Platform.h"
+
+/**
+  Publish PEI core memory
+
+  @return EFI_SUCCESS     The PEIM initialized successfully.
+**/
+EFI_STATUS
+PublishPeiMemory (
+  VOID
+  )
+{
+  EFI_STATUS  Status;
+  UINT64 Base;
+  UINT64      Size;
+  UINT64      RamTop;
+
+  //
+  // Determine the range of memory to use during PEI
+  //
+  Base = PcdGet64 (PcdSecPeiTempRamBase) + PcdGet32 (PcdSecPeiTempRamSize);
+  RamTop = PcdGet64 (PcdUefiRamTop);
+  Size = RamTop - Base;
+
+  //
+  // Publish this memory to the PEI Core
+  //
+  Status = PublishSystemMemory (Base, Size);
+  ASSERT_EFI_ERROR (Status);
+
+  DEBUG ((DEBUG_INFO, "Publish Memory Initialize done.\n"));
+  return Status;
+}
+
+/**
+  Peform Memory Detection
+  Publish system RAM and reserve memory regions
+**/
+VOID
+InitializeRamRegions (
+  VOID
+  )
+{
+  EFI_STATUS           Status;
+  FIRMWARE_CONFIG_ITEM FwCfgItem;
+  UINTN                FwCfgSize;
+  LOONGARCH_MEMMAP_ENTRY  MemoryMapEntry;
+  LOONGARCH_MEMMAP_ENTRY  *StartEntry;
+  LOONGARCH_MEMMAP_ENTRY  *pEntry;
+  UINTN                Processed;
+
+  Status = QemuFwCfgFindFile ("etc/memmap", &FwCfgItem, &FwCfgSize);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "%a %d read etc/memmap error Status %d \n", __func__, __LINE__, Status));
+    return ;
+  }
+  if (FwCfgSize % sizeof MemoryMapEntry != 0) {
+    DEBUG ((DEBUG_ERROR, "no MemoryMapEntry FwCfgSize:%d\n", FwCfgSize));
+    return ;
+  }
+
+  QemuFwCfgSelectItem (FwCfgItem);
+  StartEntry = AllocatePages  (EFI_SIZE_TO_PAGES (FwCfgSize));
+  QemuFwCfgReadBytes (FwCfgSize, StartEntry);
+  for (Processed = 0; Processed < (FwCfgSize / sizeof MemoryMapEntry); Processed++) {
+    pEntry = StartEntry + Processed;
+    if (pEntry->Length == 0) {
+      continue;
+    }
+
+    DEBUG ((DEBUG_INFO, "MemmapEntry Base %p length %p  type %d\n", pEntry->BaseAddr, pEntry->Length, pEntry->Type));
+    if (pEntry->Type != EfiAcpiAddressRangeMemory) {
+      continue;
+    }
+
+    AddMemoryRangeHob ( pEntry->BaseAddr, pEntry->BaseAddr + pEntry->Length);
+  }
+}
diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
new file mode 100644
index 0000000000..262e2750e4
--- /dev/null
+++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
@@ -0,0 +1,261 @@
+/** @file
+  Platform PEI driver
+
+  Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+  @par Glossary:
+    - Mem - Memory
+**/
+
+//
+// The package level header files this module uses
+//
+#include <PiPei.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/IoLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/PcdLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/ResourcePublicationLib.h>
+#include <Guid/MemoryTypeInformation.h>
+#include <Library/QemuFwCfgLib.h>
+#include <Library/MmuLib.h>
+#include <Guid/FdtHob.h>
+#include <libfdt.h>
+#include <Ppi/MasterBootMode.h>
+
+#include "Platform.h"
+
+/* TODO */
+EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
+  { EfiReservedMemoryType,  0x004 },
+  { EfiRuntimeServicesData, 0x024 },
+  { EfiRuntimeServicesCode, 0x030 },
+  { EfiBootServicesCode,    0x180 },
+  { EfiBootServicesData,    0xF00 },
+  { EfiMaxMemoryType,       0x000 }
+};
+
+//
+// Module globals
+//
+CONST EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
+  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+  &gEfiPeiMasterBootModePpiGuid,
+  NULL
+};
+
+/**
+  Create Reserved type memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddReservedMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  )
+{
+  BuildResourceDescriptorHob (
+    EFI_RESOURCE_MEMORY_RESERVED,
+    EFI_RESOURCE_ATTRIBUTE_PRESENT     |
+    EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+    EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+    EFI_RESOURCE_ATTRIBUTE_TESTED,
+    MemoryBase,
+    MemorySize
+    );
+}
+/**
+  Create system type  memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  )
+{
+  BuildResourceDescriptorHob (
+    EFI_RESOURCE_SYSTEM_MEMORY,
+    EFI_RESOURCE_ATTRIBUTE_PRESENT |
+    EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+    EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+    EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+    EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+    EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+    EFI_RESOURCE_ATTRIBUTE_TESTED,
+    MemoryBase,
+    MemorySize
+    );
+}
+
+/**
+  Create  memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddMemoryRangeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  EFI_PHYSICAL_ADDRESS        MemoryLimit
+  )
+{
+  AddMemoryBaseSizeHob (MemoryBase, (UINT64) (MemoryLimit - MemoryBase));
+}
+/**
+  Create  memory type information hand off block.
+
+  @param  VOID
+
+  @return  VOID
+**/
+VOID
+MemMapInitialization (
+  VOID
+  )
+{
+  DEBUG ((DEBUG_INFO, "==%a==\n", __func__));
+  //
+  // Create Memory Type Information HOB
+  //
+  BuildGuidDataHob (
+    &gEfiMemoryTypeInformationGuid,
+    mDefaultMemoryTypeInformation,
+    sizeof (mDefaultMemoryTypeInformation)
+    );
+}
+
+/**
+  Misc Initialization.
+
+  @param  VOID
+
+  @return  VOID
+**/
+VOID
+MiscInitialization (
+  VOID
+  )
+{
+  DEBUG ((DEBUG_INFO, "==%a==\n", __func__));
+  //
+  // Creat CPU HOBs.
+  //
+  BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
+}
+/**
+  add fdt hand off block.
+
+  @param  VOID
+
+  @return  VOID
+**/
+VOID
+AddFdtHob (VOID)
+{
+  VOID    *Base;
+  VOID    *NewBase;
+  UINTN   FdtSize;
+  UINTN   FdtPages;
+  UINT64  *FdtHobData;
+
+  Base = (VOID*)(UINTN)PcdGet64 (PcdDeviceTreeBase);
+  ASSERT (Base != NULL);
+
+  FdtSize = fdt_totalsize (Base) + PcdGet32 (PcdDeviceTreePadding);
+  FdtPages = EFI_SIZE_TO_PAGES (FdtSize);
+  NewBase = AllocatePages (FdtPages);
+  ASSERT (NewBase != NULL);
+  fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages));
+
+  FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData);
+  ASSERT (FdtHobData != NULL);
+  *FdtHobData = (UINTN)NewBase;
+}
+
+/**
+  Fetch the size of system memory from QEMU.
+
+  @param  VOID
+
+  @return  VOID
+**/
+VOID
+SystemMemorySizeInitialization (
+  VOID
+  )
+{
+  UINT64        RamSize;
+  RETURN_STATUS PcdStatus;
+
+  QemuFwCfgSelectItem (QemuFwCfgItemRamSize);
+  RamSize= QemuFwCfgRead64 ();
+  DEBUG ((DEBUG_INFO, "%a: QEMU reports %dM system memory\n", __FUNCTION__,
+    RamSize/1024/1024));
+
+  //
+  // If the fw_cfg key or fw_cfg entirely is unavailable, no change to PCD.
+  //
+  if (RamSize == 0) {
+    return;
+  }
+
+  //
+  // Otherwise, set RamSize to PCD.
+  //
+  PcdStatus =  PcdSet64S (PcdRamSize, RamSize);
+  ASSERT_RETURN_ERROR (PcdStatus);
+}
+
+/**
+  Perform Platform PEI initialization.
+
+  @param  FileHandle      Handle of the file being invoked.
+  @param  PeiServices     Describes the list of possible PEI Services.
+
+  @return EFI_SUCCESS     The PEIM initialized successfully.
+**/
+EFI_STATUS
+EFIAPI
+InitializePlatform (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  EFI_STATUS Status;
+
+  DEBUG ((DEBUG_INFO, "Platform PEIM Loaded\n"));
+
+  Status = PeiServicesInstallPpi (&mPpiListBootMode);
+  ASSERT_EFI_ERROR (Status);
+
+  SystemMemorySizeInitialization ();
+  PublishPeiMemory ();
+  PeiFvInitialization ();
+  InitializeRamRegions ();
+  MemMapInitialization ();
+  MiscInitialization ();
+  AddFdtHob ();
+  ConfigureMmu ();
+
+  return EFI_SUCCESS;
+}
diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
new file mode 100644
index 0000000000..38d358b335
--- /dev/null
+++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
@@ -0,0 +1,86 @@
+/** @file
+  Platform PEI module include file.
+
+  Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef PLATFORM_H_
+#define PLATFORM_H_
+
+#include <IndustryStandard/Pci22.h>
+
+/**
+  Create system type  memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  );
+
+/**
+  Create  memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddMemoryRangeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  EFI_PHYSICAL_ADDRESS        MemoryLimit
+  );
+
+/**
+  Create Reserved type memory range hand off block.
+
+  @param  MemoryBase    memory base address.
+  @param  MemoryLimit  memory length.
+
+  @return  VOID
+**/
+VOID
+AddReservedMemoryBaseSizeHob (
+  EFI_PHYSICAL_ADDRESS        MemoryBase,
+  UINT64                      MemorySize
+  );
+/**
+  Publish PEI core memory
+
+  @return EFI_SUCCESS     The PEIM initialized successfully.
+**/
+EFI_STATUS
+PublishPeiMemory (
+  VOID
+  );
+/**
+  Publish system RAM and reserve memory regions
+
+  @return  VOID
+**/
+VOID
+InitializeRamRegions (
+  VOID
+  );
+
+/**
+  Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
+  and DXE know about them.
+
+  @retval EFI_SUCCESS   Platform PEI FVs were initialized successfully.
+**/
+EFI_STATUS
+PeiFvInitialization (
+  VOID
+  );
+
+#endif // PLATFORM_H_
diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
new file mode 100644
index 0000000000..417c5e586a
--- /dev/null
+++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
@@ -0,0 +1,72 @@
+## @file
+#  Platform PEI driver
+#
+#  Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PlatformPei
+  FILE_GUID                      = 4c0e81e5-e8e3-4eef-b24b-19b686e9ab53
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = InitializePlatform
+
+#
+#  VALID_ARCHITECTURES           = LOONGARCH64
+#
+
+[Sources]
+  Fv.c
+  MemDetect.c
+  Platform.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  Platform/Loongson/LoongArchQemuPkg/Loongson.dec
+  OvmfPkg/OvmfPkg.dec
+
+[Ppis]
+  gEfiPeiMasterBootModePpiGuid
+
+[Guids]
+  gEfiMemoryTypeInformationGuid
+  gFdtHobGuid
+
+[LibraryClasses]
+  DebugLib
+  BaseMemoryLib
+  HobLib
+  IoLib
+  PeiResourcePublicationLib
+  PeiServicesLib
+  PeiServicesTablePointerLib
+  PeimEntryPoint
+  QemuFwCfgLib
+  PcdLib
+  TimerLib
+  MmuLib
+  MemoryAllocationLib
+
+[Pcd]
+  gLoongArchQemuPkgTokenSpaceGuid.PcdRamSize
+  gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase
+  gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreePadding
+
+[FixedPcd]
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvBase
+  gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvSize
+  gLoongArchQemuPkgTokenSpaceGuid.PcdRamRegionsBottom
+  gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop
+  gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase
+  gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize
+  gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
+  gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
+
+[Depex]
+  TRUE
-- 
2.31.1




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Reviewed-by: Chao Li <lichao@loongson.cn>

Thanks,
Chao
--------

On 11月 11 2022, at 5:12 下午, "xianglai" <lixianglai@loongson.cn> wrote:
> Platform PEI module for LoongArch platform initialization.
>
>
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4054
>
>
> Cc: Bibo Mao <maobibo@loongson.cn>
> Cc: Chao Li <lichao@loongson.cn>
> Cc: Leif Lindholm <quic_llindhol@quicinc.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Signed-off-by: xianglai li <lixianglai@loongson.cn>
> ---
> .../Loongson/LoongArchQemuPkg/Loongson.dec | 23 ++
> .../Loongson/LoongArchQemuPkg/Loongson.dsc | 64 +++++
> .../Loongson/LoongArchQemuPkg/Loongson.fdf | 51 ++++
> .../LoongArchQemuPkg/PlatformPei/Fv.c | 58 ++++
> .../LoongArchQemuPkg/PlatformPei/MemDetect.c | 104 +++++++
> .../LoongArchQemuPkg/PlatformPei/Platform.c | 261 ++++++++++++++++++
> .../LoongArchQemuPkg/PlatformPei/Platform.h | 86 ++++++
> .../PlatformPei/PlatformPei.inf | 72 +++++
> 8 files changed, 719 insertions(+)
> create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
> create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
> create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
> create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
> create mode 100644 Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
>
>
> diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.dec b/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
> index 61f600b20d..aeae75a678 100644
> --- a/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
> +++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.dec
> @@ -32,7 +32,30 @@
> [PcdsFixedAtBuild, PcdsDynamic]
> gLoongArchQemuPkgTokenSpaceGuid.PcdFlashPeiFvBase|0x0|UINT64|0x00000000
> gLoongArchQemuPkgTokenSpaceGuid.PcdFlashPeiFvSize|0x0|UINT32|0x00000001
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvBase|0x0|UINT64|0x00000003
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvSize|0x0|UINT32|0x00000004
> + gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase|0x0|UINT64|0x00000009
> + gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreePadding|256|UINT32|0x0000000a
> +
> gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase|0|UINT64|0x0000000b
> gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize|0|UINT32|0x0000000c
> + gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop|0x0|UINT64|0x0000000d
> + gLoongArchQemuPkgTokenSpaceGuid.PcdRamRegionsBottom|0x0|UINT64|0x0000000e
> gLoongArchQemuPkgTokenSpaceGuid.PcdFlashSecFvBase|0x0|UINT64|0x0000000f
> gLoongArchQemuPkgTokenSpaceGuid.PcdFlashSecFvSize|0x0|UINT32|0x00000010
> +
> +## In the PcdsFixedAtBuild.LOONGARCH64 area, numbers start at 0x10000.
> +[PcdsFixedAtBuild.LOONGARCH64]
> + gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|32|UINT8|0x00010000
> + gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize|0|UINT8|0x00010001
> +
> +## In the PcdsDynamic area, numbers start at 0x20000.
> +[PcdsDynamic]
> + gLoongArchQemuPkgTokenSpaceGuid.PcdRamSize|0x40000000|UINT64|0x00020000
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFwCfgSelectorAddress|0x0|UINT64|0x00020001
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFwCfgDataAddress|0x0|UINT64|0x00020002
> + gLoongArchQemuPkgTokenSpaceGuid.PcdSwapPageDir|0x0|UINT64|0x00020003
> + gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPgd|0x0|UINT64|0x00020004
> + gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPud|0x0|UINT64|0x00020005
> + gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPmd|0x0|UINT64|0x00020006
> + gLoongArchQemuPkgTokenSpaceGuid.PcdInvalidPte|0x0|UINT64|0x00020007
> diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> index b506f70625..b78a7e3b49 100644
> --- a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> +++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> @@ -56,16 +56,53 @@
>
>
> [LibraryClasses.common]
> PcdLib | MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
> + TimerLib | Platform/Loongson/LoongArchQemuPkg/Library/StableTimerLib/TimerLib.inf
> PrintLib | MdePkg/Library/BasePrintLib/BasePrintLib.inf
> BaseMemoryLib | MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
> BaseLib | MdePkg/Library/BaseLib/BaseLib.inf
> + PerformanceLib | MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
> PeCoffLib | MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
> + CacheMaintenanceLib | MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
> + UefiDecompressLib | MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
> PeCoffGetEntryPointLib | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
> IoLib | MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
> SerialPortLib | Platform/Loongson/LoongArchQemuPkg/Library/SerialPortLib/SerialPortLib.inf
> DebugPrintErrorLevelLib | MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
> + FdtLib | EmbeddedPkg/Library/FdtLib/FdtLib.inf
> PeCoffExtraActionLib | MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
> DebugAgentLib | MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
> + PeiServicesLib | MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
> +
> +[LibraryClasses.common.SEC]
> + ReportStatusCodeLib | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
> + HobLib | MdePkg/Library/PeiHobLib/PeiHobLib.inf
> + MemoryAllocationLib | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
> +
> +[LibraryClasses.common.PEI_CORE]
> + HobLib | MdePkg/Library/PeiHobLib/PeiHobLib.inf
> + PeiServicesTablePointerLib | Platform/Loongson/LoongArchQemuPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
> + MemoryAllocationLib | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
> + PeiCoreEntryPoint | MdePkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.inf
> + ReportStatusCodeLib | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
> + OemHookStatusCodeLib | MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
> + PeCoffGetEntryPointLib | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
> + QemuFwCfgLib | Platform/Loongson/LoongArchQemuPkg/Library/QemuFwCfgLib/QemuFwCfgPeiLib.inf
> + MmuLib | Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/MmuBaseLibPei.inf
> +
> +[LibraryClasses.common.PEIM]
> + HobLib | MdePkg/Library/PeiHobLib/PeiHobLib.inf
> + PeiServicesTablePointerLib | Platform/Loongson/LoongArchQemuPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
> + MemoryAllocationLib | MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
> + PeimEntryPoint | MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
> + ReportStatusCodeLib | MdeModulePkg/Library/PeiReportStatusCodeLib/PeiReportStatusCodeLib.inf
> + OemHookStatusCodeLib | MdeModulePkg/Library/OemHookStatusCodeLibNull/OemHookStatusCodeLibNull.inf
> + PeCoffGetEntryPointLib | MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
> + PeiResourcePublicationLib | MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf
> + ExtractGuidedSectionLib | MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
> + PcdLib | MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
> + QemuFwCfgS3Lib | OvmfPkg/Library/QemuFwCfgS3Lib/PeiQemuFwCfgS3LibFwCfg.inf
> + QemuFwCfgLib | Platform/Loongson/LoongArchQemuPkg/Library/QemuFwCfgLib/QemuFwCfgPeiLib.inf
> + MmuLib | Platform/Loongson/LoongArchQemuPkg/Library/MmuLib/MmuBaseLibPei.inf
>
>
> ################################################################################
> #
> @@ -111,8 +148,16 @@
> # ASSERT_BREAKPOINT_ENABLED 0x10
> # ASSERT_DEADLOOP_ENABLED 0x20
>
>
> +#######################################################################################
> gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase | 0x10000
> gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize | 0x10000
> + gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase | 0x200000
> + #
> + # minimal memory for uefi bios should be 512M
> + # 0x00000000 - 0x10000000
> + # 0x90000000 - 0xA0000000
> + #
> + gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop | 0x10000000
>
>
> [Components]
>
>
> @@ -120,3 +165,22 @@
> # SEC Phase modules
> #
> Platform/Loongson/LoongArchQemuPkg/Sec/SecMain.inf
> +
> + #
> + # PEI Phase modules
> + #
> + MdeModulePkg/Core/Pei/PeiMain.inf
> + MdeModulePkg/Universal/PCD/Pei/Pcd.inf {
> + <LibraryClasses>
> + PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
> + }
> + MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
> + MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf {
> + <LibraryClasses>
> + NULL|MdeModulePkg/Library/LzmaCustomDecompressLib/LzmaCustomDecompressLib.inf
> + }
> +
> + Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf {
> + <LibraryClasses>
> + PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
> + }
> diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf b/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
> index 9685795cda..8e257f2392 100644
> --- a/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
> +++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.fdf
> @@ -45,9 +45,60 @@ READ_LOCK_STATUS = TRUE
>
>
> INF Platform/Loongson/LoongArchQemuPkg/Sec/SecMain.inf
>
>
> +#####################################################################################################
> +[FV.PEIFV]
> +FvNameGuid = 6f856a84-de7d-4af9-93a3-342b4ecb46eb
> +BlockSize = $(BLOCK_SIZE)
> +FvAlignment = 16
> +ERASE_POLARITY = 1
> +MEMORY_MAPPED = TRUE
> +STICKY_WRITE = TRUE
> +LOCK_CAP = TRUE
> +LOCK_STATUS = TRUE
> +READ_DISABLED_CAP = TRUE
> +READ_ENABLED_CAP = TRUE
> +READ_STATUS = TRUE
> +READ_LOCK_CAP = TRUE
> +READ_LOCK_STATUS = TRUE
> +WRITE_DISABLED_CAP = TRUE
> +WRITE_ENABLED_CAP = TRUE
> +WRITE_STATUS = TRUE
> +WRITE_LOCK_CAP = TRUE
> +WRITE_LOCK_STATUS = TRUE
> +
> +APRIORI PEI {
> + INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
> +}
> +
> +#
> +# PEI Phase modules
> +#
> +
> +INF MdeModulePkg/Core/Pei/PeiMain.inf
> +INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
> +INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
> +INF Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
> +
> #####################################################################################################
> [Rule.Common.SEC]
> FILE SEC = $(NAMED_GUID) {
> TE TE Align = Auto $(INF_OUTPUT)/$(MODULE_NAME).efi
> UI STRING ="$(MODULE_NAME)" Optional
> }
> +
> +#####################################################################################################
> +[Rule.Common.PEI_CORE]
> + FILE PEI_CORE = $(NAMED_GUID) {
> + TE TE Align=Auto $(INF_OUTPUT)/$(MODULE_NAME).efi
> + UI STRING ="$(MODULE_NAME)" Optional
> + }
> +
> +#####################################################################################################
> +[Rule.Common.PEIM]
> + FILE PEIM = $(NAMED_GUID) {
> + PEI_DEPEX PEI_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
> + PE32 PE32 Align=Auto $(INF_OUTPUT)/$(MODULE_NAME).efi
> + UI STRING="$(MODULE_NAME)" Optional
> + }
> +
> +#####################################################################################################
> diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
> new file mode 100644
> index 0000000000..06b2807d6c
> --- /dev/null
> +++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Fv.c
> @@ -0,0 +1,58 @@
> +/** @file
> + Build FV related hobs for platform.
> +
> + Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "PiPei.h"
> +#include "Platform.h"
> +#include <Library/DebugLib.h>
> +#include <Library/HobLib.h>
> +#include <Library/PeiServicesLib.h>
> +#include <Library/PcdLib.h>
> +
> +/**
> + Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
> + and DXE know about them.
> +
> + @retval EFI_SUCCESS Platform PEI FVs were initialized successfully.
> +**/
> +EFI_STATUS
> +PeiFvInitialization (
> + VOID
> + )
> +{
> + DEBUG ((DEBUG_INFO, "Platform PEI Firmware Volume Initialization\n"));
> +
> + //
> + // Create a memory allocation HOB for the PEI FV.
> + //
> + BuildMemoryAllocationHob (
> + PcdGet64 (PcdSecPeiTempRamBase),
> + PcdGet32 (PcdSecPeiTempRamSize),
> + EfiBootServicesData
> + );
> +
> + //
> + // Let DXE know about the DXE FV
> + //
> + BuildFvHob (PcdGet64 (PcdFlashDxeFvBase), PcdGet32 (PcdFlashDxeFvSize));
> +
> + //
> + // Let PEI know about the DXE FV so it can find the DXE Core
> + //
> + DEBUG ((DEBUG_INFO, "DXEFV base:%p size:%x\n", (VOID *) (UINTN)PcdGet64 (PcdFlashDxeFvBase),
> + PcdGet32 (PcdFlashDxeFvSize)));
> + PeiServicesInstallFvInfoPpi (
> + NULL,
> + (VOID *) (UINTN)PcdGet64 (PcdFlashDxeFvBase),
> + PcdGet32 (PcdFlashDxeFvSize),
> + NULL,
> + NULL
> + );
> +
> + return EFI_SUCCESS;
> +}
> diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
> new file mode 100644
> index 0000000000..fad4cff8d8
> --- /dev/null
> +++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/MemDetect.c
> @@ -0,0 +1,104 @@
> +/** @file
> + Memory Detection for Virtual Machines.
> +
> + Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +//
> +// The package level header files this module uses
> +//
> +#include <PiPei.h>
> +
> +//
> +// The Library classes this module consumes
> +//
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/HobLib.h>
> +#include <Library/IoLib.h>
> +#include <Library/PcdLib.h>
> +#include <Library/PeimEntryPoint.h>
> +#include <Library/ResourcePublicationLib.h>
> +#include <Library/QemuFwCfgLib.h>
> +#include "Platform.h"
> +
> +/**
> + Publish PEI core memory
> +
> + @return EFI_SUCCESS The PEIM initialized successfully.
> +**/
> +EFI_STATUS
> +PublishPeiMemory (
> + VOID
> + )
> +{
> + EFI_STATUS Status;
> + UINT64 Base;
> + UINT64 Size;
> + UINT64 RamTop;
> +
> + //
> + // Determine the range of memory to use during PEI
> + //
> + Base = PcdGet64 (PcdSecPeiTempRamBase) + PcdGet32 (PcdSecPeiTempRamSize);
> + RamTop = PcdGet64 (PcdUefiRamTop);
> + Size = RamTop - Base;
> +
> + //
> + // Publish this memory to the PEI Core
> + //
> + Status = PublishSystemMemory (Base, Size);
> + ASSERT_EFI_ERROR (Status);
> +
> + DEBUG ((DEBUG_INFO, "Publish Memory Initialize done.\n"));
> + return Status;
> +}
> +
> +/**
> + Peform Memory Detection
> + Publish system RAM and reserve memory regions
> +**/
> +VOID
> +InitializeRamRegions (
> + VOID
> + )
> +{
> + EFI_STATUS Status;
> + FIRMWARE_CONFIG_ITEM FwCfgItem;
> + UINTN FwCfgSize;
> + LOONGARCH_MEMMAP_ENTRY MemoryMapEntry;
> + LOONGARCH_MEMMAP_ENTRY *StartEntry;
> + LOONGARCH_MEMMAP_ENTRY *pEntry;
> + UINTN Processed;
> +
> + Status = QemuFwCfgFindFile ("etc/memmap", &FwCfgItem, &FwCfgSize);
> + if (EFI_ERROR (Status)) {
> + DEBUG ((DEBUG_ERROR, "%a %d read etc/memmap error Status %d \n", __func__, __LINE__, Status));
> + return ;
> + }
> + if (FwCfgSize % sizeof MemoryMapEntry != 0) {
> + DEBUG ((DEBUG_ERROR, "no MemoryMapEntry FwCfgSize:%d\n", FwCfgSize));
> + return ;
> + }
> +
> + QemuFwCfgSelectItem (FwCfgItem);
> + StartEntry = AllocatePages (EFI_SIZE_TO_PAGES (FwCfgSize));
> + QemuFwCfgReadBytes (FwCfgSize, StartEntry);
> + for (Processed = 0; Processed < (FwCfgSize / sizeof MemoryMapEntry); Processed++) {
> + pEntry = StartEntry + Processed;
> + if (pEntry->Length == 0) {
> + continue;
> + }
> +
> + DEBUG ((DEBUG_INFO, "MemmapEntry Base %p length %p type %d\n", pEntry->BaseAddr, pEntry->Length, pEntry->Type));
> + if (pEntry->Type != EfiAcpiAddressRangeMemory) {
> + continue;
> + }
> +
> + AddMemoryRangeHob ( pEntry->BaseAddr, pEntry->BaseAddr + pEntry->Length);
> + }
> +}
> diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
> new file mode 100644
> index 0000000000..262e2750e4
> --- /dev/null
> +++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.c
> @@ -0,0 +1,261 @@
> +/** @file
> + Platform PEI driver
> +
> + Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> + @par Glossary:
> + - Mem - Memory
> +**/
> +
> +//
> +// The package level header files this module uses
> +//
> +#include <PiPei.h>
> +//
> +// The Library classes this module consumes
> +//
> +#include <Library/DebugLib.h>
> +#include <Library/HobLib.h>
> +#include <Library/IoLib.h>
> +#include <Library/MemoryAllocationLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/PcdLib.h>
> +#include <Library/PeimEntryPoint.h>
> +#include <Library/PeiServicesLib.h>
> +#include <Library/ResourcePublicationLib.h>
> +#include <Guid/MemoryTypeInformation.h>
> +#include <Library/QemuFwCfgLib.h>
> +#include <Library/MmuLib.h>
> +#include <Guid/FdtHob.h>
> +#include <libfdt.h>
> +#include <Ppi/MasterBootMode.h>
> +
> +#include "Platform.h"
> +
> +/* TODO */
> +EFI_MEMORY_TYPE_INFORMATION mDefaultMemoryTypeInformation[] = {
> + { EfiReservedMemoryType, 0x004 },
> + { EfiRuntimeServicesData, 0x024 },
> + { EfiRuntimeServicesCode, 0x030 },
> + { EfiBootServicesCode, 0x180 },
> + { EfiBootServicesData, 0xF00 },
> + { EfiMaxMemoryType, 0x000 }
> +};
> +
> +//
> +// Module globals
> +//
> +CONST EFI_PEI_PPI_DESCRIPTOR mPpiListBootMode = {
> + (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
> + &gEfiPeiMasterBootModePpiGuid,
> + NULL
> +};
> +
> +/**
> + Create Reserved type memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddReservedMemoryBaseSizeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + UINT64 MemorySize
> + )
> +{
> + BuildResourceDescriptorHob (
> + EFI_RESOURCE_MEMORY_RESERVED,
> + EFI_RESOURCE_ATTRIBUTE_PRESENT |
> + EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
> + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
> + EFI_RESOURCE_ATTRIBUTE_TESTED,
> + MemoryBase,
> + MemorySize
> + );
> +}
> +/**
> + Create system type memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddMemoryBaseSizeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + UINT64 MemorySize
> + )
> +{
> + BuildResourceDescriptorHob (
> + EFI_RESOURCE_SYSTEM_MEMORY,
> + EFI_RESOURCE_ATTRIBUTE_PRESENT |
> + EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
> + EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
> + EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
> + EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
> + EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
> + EFI_RESOURCE_ATTRIBUTE_TESTED,
> + MemoryBase,
> + MemorySize
> + );
> +}
> +
> +/**
> + Create memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddMemoryRangeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + EFI_PHYSICAL_ADDRESS MemoryLimit
> + )
> +{
> + AddMemoryBaseSizeHob (MemoryBase, (UINT64) (MemoryLimit - MemoryBase));
> +}
> +/**
> + Create memory type information hand off block.
> +
> + @param VOID
> +
> + @return VOID
> +**/
> +VOID
> +MemMapInitialization (
> + VOID
> + )
> +{
> + DEBUG ((DEBUG_INFO, "==%a==\n", __func__));
> + //
> + // Create Memory Type Information HOB
> + //
> + BuildGuidDataHob (
> + &gEfiMemoryTypeInformationGuid,
> + mDefaultMemoryTypeInformation,
> + sizeof (mDefaultMemoryTypeInformation)
> + );
> +}
> +
> +/**
> + Misc Initialization.
> +
> + @param VOID
> +
> + @return VOID
> +**/
> +VOID
> +MiscInitialization (
> + VOID
> + )
> +{
> + DEBUG ((DEBUG_INFO, "==%a==\n", __func__));
> + //
> + // Creat CPU HOBs.
> + //
> + BuildCpuHob (PcdGet8 (PcdPrePiCpuMemorySize), PcdGet8 (PcdPrePiCpuIoSize));
> +}
> +/**
> + add fdt hand off block.
> +
> + @param VOID
> +
> + @return VOID
> +**/
> +VOID
> +AddFdtHob (VOID)
> +{
> + VOID *Base;
> + VOID *NewBase;
> + UINTN FdtSize;
> + UINTN FdtPages;
> + UINT64 *FdtHobData;
> +
> + Base = (VOID*)(UINTN)PcdGet64 (PcdDeviceTreeBase);
> + ASSERT (Base != NULL);
> +
> + FdtSize = fdt_totalsize (Base) + PcdGet32 (PcdDeviceTreePadding);
> + FdtPages = EFI_SIZE_TO_PAGES (FdtSize);
> + NewBase = AllocatePages (FdtPages);
> + ASSERT (NewBase != NULL);
> + fdt_open_into (Base, NewBase, EFI_PAGES_TO_SIZE (FdtPages));
> +
> + FdtHobData = BuildGuidHob (&gFdtHobGuid, sizeof *FdtHobData);
> + ASSERT (FdtHobData != NULL);
> + *FdtHobData = (UINTN)NewBase;
> +}
> +
> +/**
> + Fetch the size of system memory from QEMU.
> +
> + @param VOID
> +
> + @return VOID
> +**/
> +VOID
> +SystemMemorySizeInitialization (
> + VOID
> + )
> +{
> + UINT64 RamSize;
> + RETURN_STATUS PcdStatus;
> +
> + QemuFwCfgSelectItem (QemuFwCfgItemRamSize);
> + RamSize= QemuFwCfgRead64 ();
> + DEBUG ((DEBUG_INFO, "%a: QEMU reports %dM system memory\n", __FUNCTION__,
> + RamSize/1024/1024));
> +
> + //
> + // If the fw_cfg key or fw_cfg entirely is unavailable, no change to PCD.
> + //
> + if (RamSize == 0) {
> + return;
> + }
> +
> + //
> + // Otherwise, set RamSize to PCD.
> + //
> + PcdStatus = PcdSet64S (PcdRamSize, RamSize);
> + ASSERT_RETURN_ERROR (PcdStatus);
> +}
> +
> +/**
> + Perform Platform PEI initialization.
> +
> + @param FileHandle Handle of the file being invoked.
> + @param PeiServices Describes the list of possible PEI Services.
> +
> + @return EFI_SUCCESS The PEIM initialized successfully.
> +**/
> +EFI_STATUS
> +EFIAPI
> +InitializePlatform (
> + IN EFI_PEI_FILE_HANDLE FileHandle,
> + IN CONST EFI_PEI_SERVICES **PeiServices
> + )
> +{
> + EFI_STATUS Status;
> +
> + DEBUG ((DEBUG_INFO, "Platform PEIM Loaded\n"));
> +
> + Status = PeiServicesInstallPpi (&mPpiListBootMode);
> + ASSERT_EFI_ERROR (Status);
> +
> + SystemMemorySizeInitialization ();
> + PublishPeiMemory ();
> + PeiFvInitialization ();
> + InitializeRamRegions ();
> + MemMapInitialization ();
> + MiscInitialization ();
> + AddFdtHob ();
> + ConfigureMmu ();
> +
> + return EFI_SUCCESS;
> +}
> diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
> new file mode 100644
> index 0000000000..38d358b335
> --- /dev/null
> +++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/Platform.h
> @@ -0,0 +1,86 @@
> +/** @file
> + Platform PEI module include file.
> +
> + Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
> +
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef PLATFORM_H_
> +#define PLATFORM_H_
> +
> +#include <IndustryStandard/Pci22.h>
> +
> +/**
> + Create system type memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddMemoryBaseSizeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + UINT64 MemorySize
> + );
> +
> +/**
> + Create memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddMemoryRangeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + EFI_PHYSICAL_ADDRESS MemoryLimit
> + );
> +
> +/**
> + Create Reserved type memory range hand off block.
> +
> + @param MemoryBase memory base address.
> + @param MemoryLimit memory length.
> +
> + @return VOID
> +**/
> +VOID
> +AddReservedMemoryBaseSizeHob (
> + EFI_PHYSICAL_ADDRESS MemoryBase,
> + UINT64 MemorySize
> + );
> +/**
> + Publish PEI core memory
> +
> + @return EFI_SUCCESS The PEIM initialized successfully.
> +**/
> +EFI_STATUS
> +PublishPeiMemory (
> + VOID
> + );
> +/**
> + Publish system RAM and reserve memory regions
> +
> + @return VOID
> +**/
> +VOID
> +InitializeRamRegions (
> + VOID
> + );
> +
> +/**
> + Publish PEI & DXE (Decompressed) Memory based FVs to let PEI
> + and DXE know about them.
> +
> + @retval EFI_SUCCESS Platform PEI FVs were initialized successfully.
> +**/
> +EFI_STATUS
> +PeiFvInitialization (
> + VOID
> + );
> +
> +#endif // PLATFORM_H_
> diff --git a/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
> new file mode 100644
> index 0000000000..417c5e586a
> --- /dev/null
> +++ b/Platform/Loongson/LoongArchQemuPkg/PlatformPei/PlatformPei.inf
> @@ -0,0 +1,72 @@
> +## @file
> +# Platform PEI driver
> +#
> +# Copyright (c) 2022 Loongson Technology Corporation Limited. All rights reserved.<BR>
> +#
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x00010005
> + BASE_NAME = PlatformPei
> + FILE_GUID = 4c0e81e5-e8e3-4eef-b24b-19b686e9ab53
> + MODULE_TYPE = PEIM
> + VERSION_STRING = 1.0
> + ENTRY_POINT = InitializePlatform
> +
> +#
> +# VALID_ARCHITECTURES = LOONGARCH64
> +#
> +
> +[Sources]
> + Fv.c
> + MemDetect.c
> + Platform.c
> +
> +[Packages]
> + MdePkg/MdePkg.dec
> + MdeModulePkg/MdeModulePkg.dec
> + EmbeddedPkg/EmbeddedPkg.dec
> + Platform/Loongson/LoongArchQemuPkg/Loongson.dec
> + OvmfPkg/OvmfPkg.dec
> +
> +[Ppis]
> + gEfiPeiMasterBootModePpiGuid
> +
> +[Guids]
> + gEfiMemoryTypeInformationGuid
> + gFdtHobGuid
> +
> +[LibraryClasses]
> + DebugLib
> + BaseMemoryLib
> + HobLib
> + IoLib
> + PeiResourcePublicationLib
> + PeiServicesLib
> + PeiServicesTablePointerLib
> + PeimEntryPoint
> + QemuFwCfgLib
> + PcdLib
> + TimerLib
> + MmuLib
> + MemoryAllocationLib
> +
> +[Pcd]
> + gLoongArchQemuPkgTokenSpaceGuid.PcdRamSize
> + gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreeBase
> + gLoongArchQemuPkgTokenSpaceGuid.PcdDeviceTreePadding
> +
> +[FixedPcd]
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvBase
> + gLoongArchQemuPkgTokenSpaceGuid.PcdFlashDxeFvSize
> + gLoongArchQemuPkgTokenSpaceGuid.PcdRamRegionsBottom
> + gLoongArchQemuPkgTokenSpaceGuid.PcdUefiRamTop
> + gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamBase
> + gLoongArchQemuPkgTokenSpaceGuid.PcdSecPeiTempRamSize
> + gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
> + gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
> +
> +[Depex]
> + TRUE
> --
> 2.31.1
>
>
>
>
>
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