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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2846 6f19259b-4bc3-4df7-8a09-765794883524
70 lines
2.2 KiB
C
70 lines
2.2 KiB
C
/** @file
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GUID for use in reserving SMRAM regions.
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Copyright (c) 2007, Intel Corporation
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All rights reserved. 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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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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Module Name: SmramMemoryReserve.h
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@par Revision Reference:
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GUIDs defined in SmmCis spec version 0.9
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**/
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#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
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#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
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#include <PiPei.h>
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#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \
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{ \
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0x6dadf1d1, 0xd4cc, 0x4910, {0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d } \
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}
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//
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// *******************************************************
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// EFI_SMRAM_DESCRIPTOR
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// *******************************************************
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//
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typedef struct {
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EFI_PHYSICAL_ADDRESS PhysicalStart; // Phsyical location in DRAM
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EFI_PHYSICAL_ADDRESS CpuStart; // Address CPU uses to access the SMI handler
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// May or may not match PhysicalStart
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//
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UINT64 PhysicalSize;
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UINT64 RegionState;
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} EFI_SMRAM_DESCRIPTOR;
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//
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// *******************************************************
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// EFI_SMRAM_STATE
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// *******************************************************
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//
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#define EFI_SMRAM_OPEN 0x00000001
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#define EFI_SMRAM_CLOSED 0x00000002
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#define EFI_SMRAM_LOCKED 0x00000004
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#define EFI_CACHEABLE 0x00000008
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#define EFI_ALLOCATED 0x00000010
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#define EFI_NEEDS_TESTING 0x00000020
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#define EFI_NEEDS_ECC_INITIALIZATION 0x00000040
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//
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// *******************************************************
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// EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
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// *******************************************************
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//
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typedef struct {
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UINTN NumberOfSmmReservedRegions;
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EFI_SMRAM_DESCRIPTOR Descriptor[1];
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} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
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extern EFI_GUID gEfiSmmPeiSmramMemoryReserveGuid;
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#endif
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