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-rw-r--r--MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h b/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h
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+/** @file
+ Define the GUID of the EDKII PI SMM memory attribute table, which
+ is published by PI SMM Core.
+
+Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+**/
+
+#ifndef _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
+#define _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
+
+#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_GUID {\
+ 0x6b9fd3f7, 0x16df, 0x45e8, {0xbd, 0x39, 0xb9, 0x4a, 0x66, 0x54, 0x1a, 0x5d} \
+}
+
+//
+// The PI SMM memory attribute table contains the SMM memory map for SMM image.
+//
+// This table is installed to SMST as SMM configuration table.
+//
+// This table is published at gEfiSmmEndOfDxeProtocolGuid notification, because
+// there should be no more SMM driver loaded after that. The EfiRuntimeServicesCode
+// region should not be changed any more.
+//
+// This table is published, if and only if all SMM PE/COFF have aligned section
+// as specified in UEFI specification Section 2.3. For example, IA32/X64 alignment is 4KiB.
+//
+// If this table is published, the EfiRuntimeServicesCode contains code only
+// and it is EFI_MEMORY_RO; the EfiRuntimeServicesData contains data only
+// and it is EFI_MEMORY_XP.
+//
+typedef struct {
+ UINT32 Version;
+ UINT32 NumberOfEntries;
+ UINT32 DescriptorSize;
+ UINT32 Reserved;
+//EFI_MEMORY_DESCRIPTOR Entry[1];
+} EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE;
+
+#define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000001
+
+extern EFI_GUID gEdkiiPiSmmMemoryAttributesTableGuid;
+
+#endif