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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/** @file
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Define the GUID of the EDKII PI SMM memory attribute table, which
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is published by PI SMM Core.
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Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
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#define _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
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#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_GUID {\
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0x6b9fd3f7, 0x16df, 0x45e8, {0xbd, 0x39, 0xb9, 0x4a, 0x66, 0x54, 0x1a, 0x5d} \
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}
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//
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// The PI SMM memory attribute table contains the SMM memory map for SMM image.
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//
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// This table is installed to SMST as SMM configuration table.
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//
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// This table is published at gEfiSmmEndOfDxeProtocolGuid notification, because
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// there should be no more SMM driver loaded after that. The EfiRuntimeServicesCode
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// region should not be changed any more.
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//
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// This table is published, if and only if all SMM PE/COFF have aligned section
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// as specified in UEFI specification Section 2.3. For example, IA32/X64 alignment is 4KiB.
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//
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// If this table is published, the EfiRuntimeServicesCode contains code only
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// and it is EFI_MEMORY_RO; the EfiRuntimeServicesData contains data only
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// and it is EFI_MEMORY_XP.
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//
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typedef struct {
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UINT32 Version;
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UINT32 NumberOfEntries;
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UINT32 DescriptorSize;
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UINT32 Reserved;
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//EFI_MEMORY_DESCRIPTOR Entry[1];
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} EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE;
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#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000001
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extern EFI_GUID gEdkiiPiSmmMemoryAttributesTableGuid;
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#endif
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