105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/** @file
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Copyright (c) 2011, ARM Limited. All rights reserved.
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Copyright (c) 2022, Google LLC. All rights reserved.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include <Library/ArmPlatformLib.h>
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#include <Library/DebugLib.h>
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#include <Library/HobLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PcdLib.h>
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#include <Guid/MemoryTypeInformation.h>
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EFI_STATUS
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EFIAPI
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MemoryPeim (
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IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,
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IN UINT64 UefiMemorySize
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);
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/**
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Build the memory type information HOB that describes how many pages of each
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type to preallocate when initializing the GCD memory map.
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**/
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VOID
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EFIAPI
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BuildMemoryTypeInformationHob (
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VOID
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)
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{
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EFI_MEMORY_TYPE_INFORMATION Info[10];
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Info[0].Type = EfiACPIReclaimMemory;
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Info[0].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);
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Info[1].Type = EfiACPIMemoryNVS;
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Info[1].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);
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Info[2].Type = EfiReservedMemoryType;
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Info[2].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiReservedMemoryType);
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Info[3].Type = EfiRuntimeServicesData;
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Info[3].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);
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Info[4].Type = EfiRuntimeServicesCode;
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Info[4].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);
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Info[5].Type = EfiBootServicesCode;
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Info[5].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiBootServicesCode);
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Info[6].Type = EfiBootServicesData;
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Info[6].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiBootServicesData);
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Info[7].Type = EfiLoaderCode;
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Info[7].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiLoaderCode);
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Info[8].Type = EfiLoaderData;
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Info[8].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiLoaderData);
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// Terminator for the list
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Info[9].Type = EfiMaxMemoryType;
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Info[9].NumberOfPages = 0;
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BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));
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}
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/**
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Module entry point.
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@param[in] FileHandle Handle of the file being invoked.
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@param[in] PeiServices Describes the list of possible PEI Services.
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@return EFI_SUCCESS unless the operation failed.
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**/
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EFI_STATUS
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EFIAPI
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InitializeMemory (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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UINTN UefiMemoryBase;
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EFI_STATUS Status;
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ASSERT (FixedPcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ALLOC_ADDRESS);
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//
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// Put the permanent PEI memory in the first 128 MiB of DRAM so that
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// it is covered by the statically configured ID map.
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//
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UefiMemoryBase = (UINTN)FixedPcdGet64 (PcdSystemMemoryBase) + SIZE_128MB
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- FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
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Status = PeiServicesInstallPeiMemory (
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UefiMemoryBase,
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FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)
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);
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ASSERT_EFI_ERROR (Status);
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Status = MemoryPeim (
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UefiMemoryBase,
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FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)
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);
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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