mirror of https://github.com/acidanthera/audk.git
146 lines
4.6 KiB
C
146 lines
4.6 KiB
C
/** @file
|
|
|
|
Copyright (c) 2011, ARM Limited. All rights reserved.
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <PiPei.h>
|
|
|
|
//
|
|
// The protocols, PPI and GUID definitions for this module
|
|
//
|
|
#include <Ppi/MasterBootMode.h>
|
|
#include <Ppi/BootInRecoveryMode.h>
|
|
#include <Guid/MemoryTypeInformation.h>
|
|
//
|
|
// The Library classes this module consumes
|
|
//
|
|
#include <Library/ArmPlatformLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/HobLib.h>
|
|
#include <Library/PeimEntryPoint.h>
|
|
#include <Library/PeiServicesLib.h>
|
|
#include <Library/PcdLib.h>
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
MemoryPeim (
|
|
IN EFI_PHYSICAL_ADDRESS UefiMemoryBase,
|
|
IN UINT64 UefiMemorySize
|
|
);
|
|
|
|
// 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;
|
|
UINTN SystemMemoryBase;
|
|
UINT64 SystemMemoryTop;
|
|
UINTN FdBase;
|
|
UINTN FdTop;
|
|
UINTN UefiMemoryBase;
|
|
|
|
DEBUG ((DEBUG_LOAD | DEBUG_INFO, "Memory Init PEIM Loaded\n"));
|
|
|
|
// Ensure PcdSystemMemorySize has been set
|
|
ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
|
|
ASSERT (PcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ALLOC_ADDRESS);
|
|
|
|
SystemMemoryBase = (UINTN)PcdGet64 (PcdSystemMemoryBase);
|
|
SystemMemoryTop = SystemMemoryBase + PcdGet64 (PcdSystemMemorySize);
|
|
if (SystemMemoryTop - 1 > MAX_ALLOC_ADDRESS) {
|
|
SystemMemoryTop = (UINT64)MAX_ALLOC_ADDRESS + 1;
|
|
}
|
|
|
|
FdBase = (UINTN)PcdGet64 (PcdFdBaseAddress);
|
|
FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);
|
|
|
|
//
|
|
// Declare the UEFI memory to PEI
|
|
//
|
|
|
|
// In case the firmware has been shadowed in the System Memory
|
|
if ((FdBase >= SystemMemoryBase) && (FdTop <= SystemMemoryTop)) {
|
|
// Check if there is enough space between the top of the system memory and the top of the
|
|
// firmware to place the UEFI memory (for PEI & DXE phases)
|
|
if (SystemMemoryTop - FdTop >= FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)) {
|
|
UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
|
|
} else {
|
|
// Check there is enough space for the UEFI memory
|
|
ASSERT (SystemMemoryBase + FixedPcdGet32 (PcdSystemMemoryUefiRegionSize) <= FdBase);
|
|
|
|
UefiMemoryBase = FdBase - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
|
|
}
|
|
} else {
|
|
// Check the Firmware does not overlapped with the system memory
|
|
ASSERT ((FdBase < SystemMemoryBase) || (FdBase >= SystemMemoryTop));
|
|
ASSERT ((FdTop <= SystemMemoryBase) || (FdTop > SystemMemoryTop));
|
|
|
|
UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
|
|
}
|
|
|
|
Status = PeiServicesInstallPeiMemory (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
// Initialize MMU and Memory HOBs (Resource Descriptor HOBs)
|
|
Status = MemoryPeim (UefiMemoryBase, FixedPcdGet32 (PcdSystemMemoryUefiRegionSize));
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return Status;
|
|
}
|