mirror of https://github.com/acidanthera/audk.git
135 lines
4.5 KiB
C
Executable File
135 lines
4.5 KiB
C
Executable File
/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <PiPei.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Ppi/MasterBootMode.h>
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#include <Ppi/BootInRecoveryMode.h>
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#include <Guid/MemoryTypeInformation.h>
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//
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// The Library classes this module consumes
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//
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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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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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// May want to put this into a library so you only need the PCD settings if you are using the feature?
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VOID
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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 = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);
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Info[1].Type = EfiACPIMemoryNVS;
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Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);
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Info[2].Type = EfiReservedMemoryType;
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Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);
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Info[3].Type = EfiRuntimeServicesData;
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Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);
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Info[4].Type = EfiRuntimeServicesCode;
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Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);
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Info[5].Type = EfiBootServicesCode;
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Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);
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Info[6].Type = EfiBootServicesData;
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Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);
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Info[7].Type = EfiLoaderCode;
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Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);
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Info[8].Type = EfiLoaderData;
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Info[8].NumberOfPages = PcdGet32 (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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Routine Description:
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Arguments:
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FileHandle - Handle of the file being invoked.
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PeiServices - Describes the list of possible PEI Services.
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Returns:
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Status - EFI_SUCCESS if the boot mode could be set
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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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EFI_STATUS Status;
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UINTN SystemMemoryTop;
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UINTN UefiMemoryBase;
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DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));
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// Ensure PcdSystemMemorySize has been set
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ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);
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SystemMemoryTop = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase) + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);
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//
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// Initialize the System Memory (DRAM)
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//
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if (PcdGet32 (PcdStandalone)) {
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// In case of a standalone version, the DRAM is already initialized
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ArmPlatformInitializeSystemMemory();
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}
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//
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// Declare the UEFI memory to PEI
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//
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if (PcdGet32 (PcdStandalone)) {
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// In case of standalone UEFI, we set the UEFI memory region at the top of the DRAM
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UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
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} else {
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// In case of a non standalone UEFI, we set the UEFI memory below the Firmware Volume
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UefiMemoryBase = FixedPcdGet32 (PcdNormalFdBaseAddress) - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
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}
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Status = PeiServicesInstallPeiMemory (UefiMemoryBase,FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
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ASSERT_EFI_ERROR (Status);
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// Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
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Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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