Re: [edk2-devel] [edk2-platforms][PATCH V5 07/15] Platform/Loongson: Support PEI phase.

["Chao Li" <lichao@loongson.cn>]

[-- Attachment #1: Type: text/plain, Size: 27470 bytes --]

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
>
>
>
>
>
> - - - - - -
> Groups.io Links: You receive all messages sent to this group.
> View/Reply Online (#96277): https://edk2.groups.io/g/devel/message/96277
> Mute This Topic: https://groups.io/mt/94955174/6496846
> Group Owner: devel+owner@edk2.groups.io
> Unsubscribe: https://edk2.groups.io/g/devel/unsub [lichao@loongson.cn]
> - - - - - -
>


[-- Attachment #2: Type: text/html, Size: 37187 bytes --]