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-rw-r--r--ArmPlatformPkg/MemoryInitPei/MemoryInit.c237
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diff --git a/ArmPlatformPkg/MemoryInitPei/MemoryInit.c b/ArmPlatformPkg/MemoryInitPei/MemoryInit.c
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--- a/ArmPlatformPkg/MemoryInitPei/MemoryInit.c
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-/** @file
-*
-* Copyright (c) 2011, ARM Limited. All rights reserved.
-*
-* This program and the accompanying materials
-* are licensed and made available under the terms and conditions of the BSD License
-* which accompanies this distribution. The full text of the license may be found at
-* http://opensource.org/licenses/bsd-license.php
-*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*
-**/
-
-//
-// The package level header files this module uses
-//
-#include <PiPei.h>
-
-//
-// The protocols, PPI and GUID defintions for this module
-//
-#include <Ppi/MasterBootMode.h>
-#include <Ppi/BootInRecoveryMode.h>
-#include <Guid/MemoryTypeInformation.h>
-//
-// The Library classes this module consumes
-//
-#include <Library/DebugLib.h>
-#include <Library/PeimEntryPoint.h>
-#include <Library/PcdLib.h>
-#include <Library/HobLib.h>
-#include <Library/PeiServicesLib.h>
-#include <Library/ArmLib.h>
-#include <Library/IoLib.h>
-#include <Library/MemoryAllocationLib.h>
-#include <Library/ArmPlatformLib.h>
-
-VOID
-InitMmu (
- VOID
- )
-{
- ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;
- VOID *TranslationTableBase;
- UINTN TranslationTableSize;
-
- // Get Virtual Memory Map from the Platform Library
- ArmPlatformGetVirtualMemoryMap(&MemoryTable);
-
- //Note: Because we called PeiServicesInstallPeiMemory() before to call InitMmu() the MMU Page Table resides in
- // DRAM (even at the top of DRAM as it is the first permanent memory allocation)
- ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);
-}
-
-// May want to put this into a library so you only need the PCD settings if you are using the feature?
-VOID
-BuildMemoryTypeInformationHob (
- VOID
- )
-{
- EFI_MEMORY_TYPE_INFORMATION Info[10];
-
- Info[0].Type = EfiACPIReclaimMemory;
- Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);
- Info[1].Type = EfiACPIMemoryNVS;
- Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);
- Info[2].Type = EfiReservedMemoryType;
- Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);
- Info[3].Type = EfiRuntimeServicesData;
- Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);
- Info[4].Type = EfiRuntimeServicesCode;
- Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);
- Info[5].Type = EfiBootServicesCode;
- Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);
- Info[6].Type = EfiBootServicesData;
- Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);
- Info[7].Type = EfiLoaderCode;
- Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);
- Info[8].Type = EfiLoaderData;
- Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);
-
- // Terminator for the list
- Info[9].Type = EfiMaxMemoryType;
- Info[9].NumberOfPages = 0;
-
- BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));
-}
-/*++
-
-Routine Description:
-
-
-
-Arguments:
-
- FileHandle - Handle of the file being invoked.
- PeiServices - Describes the list of possible PEI Services.
-
-Returns:
-
- Status - EFI_SUCCESS if the boot mode could be set
-
---*/
-EFI_STATUS
-EFIAPI
-InitializeMemory (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- EFI_STATUS Status;
- EFI_RESOURCE_ATTRIBUTE_TYPE Attributes;
- ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR* EfiMemoryMap;
- UINTN Index;
- UINTN SystemMemoryTop;
- UINTN UefiMemoryBase;
- UINTN UefiMemorySize;
-
- DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));
-
- // Ensure PcdSystemMemorySize has been set
- ASSERT (FixedPcdGet32 (PcdSystemMemorySize) != 0);
-
- SystemMemoryTop = (UINTN)FixedPcdGet32 (PcdSystemMemoryBase) + (UINTN)FixedPcdGet32 (PcdSystemMemorySize);
-
- //
- // Initialize the System Memory (DRAM)
- //
- if (FeaturePcdGet(PcdStandalone)) {
- // In case of a standalone version, the DRAM is already initialized
- ArmPlatformInitializeSystemMemory();
- }
-
- //
- // Declare the UEFI memory to PEI
- //
- if (FeaturePcdGet(PcdStandalone)) {
- // In case of standalone UEFI, we set the UEFI memory region at the top of the DRAM
- UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
- } else {
- // In case of a non standalone UEFI, we set the UEFI memory below the Firmware Volume
- UefiMemoryBase = FixedPcdGet32 (PcdNormalFdBaseAddress) - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
- }
- UefiMemorySize = FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
- Status = PeiServicesInstallPeiMemory (UefiMemoryBase,UefiMemorySize);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Now, the permanent memory has been installed, we can call AllocatePages()
- //
- Attributes = (
- 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
- );
-
- // If it is not a standalone build we must reserved the space above the base address of the firmware volume
- if (!FeaturePcdGet(PcdStandalone)) {
- // Check if firmware volume has not be copied at the top of DRAM then we must reserve the extra space
- // between the firmware and the top
- if (SystemMemoryTop != FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize)) {
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_TESTED),
- FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize),
- SystemMemoryTop - (FixedPcdGet32 (PcdNormalFdBaseAddress) + FixedPcdGet32 (PcdNormalFdSize))
- );
- }
-
- // Reserved the memory space occupied by the firmware volume
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_PRESENT),
- (UINT32)FixedPcdGet32 (PcdNormalFdBaseAddress),
- (UINT32)FixedPcdGet32 (PcdNormalFdSize)
- );
- }
-
- // Check there is no overlap between UEFI and Fix Address Regions
- ASSERT (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize) <= UefiMemoryBase);
-
- // Reserved the UEFI Memory Region
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- Attributes,
- UefiMemoryBase,
- UefiMemorySize
- );
-
- // Reserved the Fix Address Region
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- Attributes,
- FixedPcdGet32 (PcdSystemMemoryBase),
- FixedPcdGet32 (PcdSystemMemoryFixRegionSize)
- );
-
- // Reserved the memory between UEFI and Fix Address regions
- if (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize) != UefiMemoryBase) {
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- Attributes & (~EFI_RESOURCE_ATTRIBUTE_TESTED),
- FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize),
- UefiMemoryBase - (FixedPcdGet32 (PcdSystemMemoryBase) + FixedPcdGet32 (PcdSystemMemoryFixRegionSize))
- );
- }
-
- // If a platform has system memory extensions, it can declare those in this function
- Status = ArmPlatformGetAdditionalSystemMemory (&EfiMemoryMap);
- if (!EFI_ERROR(Status)) {
- // Install the EFI Memory Map
- for (Index = 0; EfiMemoryMap[Index].ResourceAttribute != 0; Index++) {
- BuildResourceDescriptorHob (
- EFI_RESOURCE_SYSTEM_MEMORY,
- EfiMemoryMap[Index].ResourceAttribute,
- EfiMemoryMap[Index].PhysicalStart,
- EfiMemoryMap[Index].NumberOfBytes
- );
- }
- FreePool (EfiMemoryMap);
- }
-
- // Build Memory Allocation Hob
- InitMmu ();
-
- if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {
- // Optional feature that helps prevent EFI memory map fragmentation.
- BuildMemoryTypeInformationHob ();
- }
-
- return EFI_SUCCESS;
-}