1 /** @file
2   Define the GUID of the EDKII PI SMM memory attribute table, which
3   is published by PI SMM Core.
4 
5 Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials are licensed and made available under
7 the terms and conditions of the BSD License that accompanies this distribution.
8 The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php.
10 
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 
14 **/
15 
16 #ifndef _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
17 #define _PI_SMM_MEMORY_ATTRIBUTES_TABLE_H_
18 
19 #define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_GUID {\
20   0x6b9fd3f7, 0x16df, 0x45e8, {0xbd, 0x39, 0xb9, 0x4a, 0x66, 0x54, 0x1a, 0x5d} \
21 }
22 
23 //
24 // The PI SMM memory attribute table contains the SMM memory map for SMM image.
25 //
26 // This table is installed to SMST as SMM configuration table.
27 //
28 // This table is published at gEfiSmmEndOfDxeProtocolGuid notification, because
29 // there should be no more SMM driver loaded after that. The EfiRuntimeServicesCode
30 // region should not be changed any more.
31 //
32 // This table is published, if and only if all SMM PE/COFF have aligned section
33 // as specified in UEFI specification Section 2.3. For example, IA32/X64 alignment is 4KiB.
34 //
35 // If this table is published, the EfiRuntimeServicesCode contains code only
36 // and it is EFI_MEMORY_RO; the EfiRuntimeServicesData contains data only
37 // and it is EFI_MEMORY_XP.
38 //
39 typedef struct {
40   UINT32                Version;
41   UINT32                NumberOfEntries;
42   UINT32                DescriptorSize;
43   UINT32                Reserved;
44 //EFI_MEMORY_DESCRIPTOR Entry[1];
45 } EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE;
46 
47 #define EDKII_PI_SMM_MEMORY_ATTRIBUTES_TABLE_VERSION  0x00000001
48 
49 extern EFI_GUID gEdkiiPiSmmMemoryAttributesTableGuid;
50 
51 #endif
52