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/*++
Copyright (c) 1999 - 2002, Intel Corporation
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.
Module Name:
SmramMemoryReserve.h
Abstract:
GUID for use in reserving SMRAM regions.
--*/
#ifndef _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
#define _EFI_SMM_PEI_SMRAM_MEMORY_RESERVE_H_
#define EFI_SMM_PEI_SMRAM_MEMORY_RESERVE \
{ \
0x6dadf1d1, 0xd4cc, 0x4910, 0xbb, 0x6e, 0x82, 0xb1, 0xfd, 0x80, 0xff, 0x3d \
}
//
// *******************************************************
// EFI_SMRAM_DESCRIPTOR
// *******************************************************
//
typedef struct {
EFI_PHYSICAL_ADDRESS PhysicalStart; // Phsyical location in DRAM
EFI_PHYSICAL_ADDRESS CpuStart; // Address CPU uses to access the SMI handler
// May or may not match PhysicalStart
//
UINT64 PhysicalSize;
UINT64 RegionState;
} EFI_SMRAM_DESCRIPTOR;
//
// *******************************************************
// EFI_SMRAM_STATE
// *******************************************************
//
#define EFI_SMRAM_OPEN 0x00000001
#define EFI_SMRAM_CLOSED 0x00000002
#define EFI_SMRAM_LOCKED 0x00000004
#define EFI_CACHEABLE 0x00000008
#define EFI_ALLOCATED 0x00000010
#define EFI_NEEDS_TESTING 0x00000020
#define EFI_NEEDS_ECC_INITIALIZATION 0x00000040
//
// *******************************************************
// EFI_SMRAM_HOB_DESCRIPTOR_BLOCK
// *******************************************************
//
typedef struct {
UINT32 NumberOfSmmReservedRegions;
EFI_SMRAM_DESCRIPTOR Descriptor[1];
} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK;
extern EFI_GUID gEfiSmmPeiSmramMemoryReserve;
#endif
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