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- /** @file
- Memory Detection for Virtual Machines.
- Copyright (c) 2021, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
- Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- Module Name:
- MemDetect.c
- **/
- //
- // The package level header files this module uses
- //
- #include <PiPei.h>
- //
- // The Library classes this module consumes
- //
- #include <Library/BaseMemoryLib.h>
- #include <Library/DebugLib.h>
- #include <Library/HobLib.h>
- #include <Library/IoLib.h>
- #include <Library/PcdLib.h>
- #include <Library/PeimEntryPoint.h>
- #include <Library/ResourcePublicationLib.h>
- #include "Platform.h"
- /**
- Publish PEI core memory.
- @return EFI_SUCCESS The PEIM initialized successfully.
- **/
- EFI_STATUS
- PublishPeiMemory (
- VOID
- )
- {
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS MemoryBase;
- UINT64 MemorySize;
- //
- // TODO: This value should come from platform
- // configuration or the memory sizing code.
- //
- MemoryBase = 0x40000000UL + 0x1000000UL;
- MemorySize = 0x40000000UL - 0x1000000UL; // 1GB - 16MB
- DEBUG ((DEBUG_INFO, "%a: MemoryBase:0x%x MemorySize:%x\n", __FUNCTION__, MemoryBase, MemorySize));
- //
- // Publish this memory to the PEI Core
- //
- Status = PublishSystemMemory (MemoryBase, MemorySize);
- ASSERT_EFI_ERROR (Status);
- return Status;
- }
- /**
- Publish system RAM and reserve memory regions.
- **/
- VOID
- InitializeRamRegions (
- VOID
- )
- {
- //
- // TODO: This value should come from platform
- // configuration or the memory sizing code.
- //
- AddMemoryRangeHob (0x41000000UL, 0x41000000UL + 0x3F000000UL);
- }
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