/** @file | |
GUID for use in reserving SMRAM regions. | |
Copyright (c) 2006, 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 | |
@par Revision Reference: | |
GUIDs defined in SmmCis spec version 0.9 | |
**/ | |
#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 { | |
UINTN NumberOfSmmReservedRegions; | |
EFI_SMRAM_DESCRIPTOR Descriptor[1]; | |
} EFI_SMRAM_HOB_DESCRIPTOR_BLOCK; | |
extern EFI_GUID gEfiSmmPeiSmramMemoryReserve; | |
#endif |