mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-01 12:53:27 +01:00
146 lines
4.6 KiB
C
146 lines
4.6 KiB
C
/** @file
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Copyright (c) 2011, ARM Limited. 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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//
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// The protocols, PPI and GUID definitions 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 SystemMemoryBase;
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UINT64 SystemMemoryTop;
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UINTN FdBase;
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UINTN FdTop;
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UINTN UefiMemoryBase;
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DEBUG ((DEBUG_LOAD | DEBUG_INFO, "Memory Init PEIM Loaded\n"));
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// Ensure PcdSystemMemorySize has been set
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ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
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ASSERT (PcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ALLOC_ADDRESS);
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SystemMemoryBase = (UINTN)PcdGet64 (PcdSystemMemoryBase);
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SystemMemoryTop = SystemMemoryBase + PcdGet64 (PcdSystemMemorySize);
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if (SystemMemoryTop - 1 > MAX_ALLOC_ADDRESS) {
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SystemMemoryTop = (UINT64)MAX_ALLOC_ADDRESS + 1;
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}
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FdBase = (UINTN)PcdGet64 (PcdFdBaseAddress);
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FdTop = FdBase + (UINTN)PcdGet32 (PcdFdSize);
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//
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// Declare the UEFI memory to PEI
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//
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// In case the firmware has been shadowed in the System Memory
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if ((FdBase >= SystemMemoryBase) && (FdTop <= SystemMemoryTop)) {
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// Check if there is enough space between the top of the system memory and the top of the
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// firmware to place the UEFI memory (for PEI & DXE phases)
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if (SystemMemoryTop - FdTop >= FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)) {
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UefiMemoryBase = SystemMemoryTop - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
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} else {
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// Check there is enough space for the UEFI memory
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ASSERT (SystemMemoryBase + FixedPcdGet32 (PcdSystemMemoryUefiRegionSize) <= FdBase);
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UefiMemoryBase = FdBase - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
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}
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} else {
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// Check the Firmware does not overlapped with the system memory
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ASSERT ((FdBase < SystemMemoryBase) || (FdBase >= SystemMemoryTop));
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ASSERT ((FdTop <= SystemMemoryBase) || (FdTop > SystemMemoryTop));
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UefiMemoryBase = SystemMemoryTop - 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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