This table describes the SMM memory attributes. Cc: Jeff Fan <jeff....@intel.com> Cc: Feng Tian <feng.t...@intel.com> Cc: Star Zeng <star.z...@intel.com> Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao <jiewen....@intel.com> --- MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h | 51 ++++++++++++++++++++ 1 file changed, 51 insertions(+)
diff --git a/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h b/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h new file mode 100644 index 0000000..317eae1 --- /dev/null +++ b/MdeModulePkg/Include/Guid/PiSmmMemoryAttributesTable.h @@ -0,0 +1,51 @@ +/** @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 -- 2.7.4.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
