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This table describes the SMM memory attributes. The new GUID gEdkiiPiSmmMemoryAttributesTableGuid and its associated structure are based on the EFI_MEMORY_ATTRIBUTES_TABLE and GUID from the UEFI Specification. Cc: Jeff Fan <jeff.fan@intel.com> Cc: Feng Tian <feng.tian@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao <jiewen.yao@intel.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> [lersek@redhat.com: update commit message as requested by Michael Kinney] Signed-off-by: Laszlo Ersek <lersek@redhat.com>
52 lines
1.9 KiB
C
52 lines
1.9 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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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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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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**/
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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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