mirror of https://github.com/acidanthera/audk.git
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/** @file
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This file contains related definitions to support MM Profile feature in standalone MM.
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Copyright (c) 2024, 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 MM_PROFILE_DATA_H_
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#define MM_PROFILE_DATA_H_
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///
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/// This GUID is assigned to the Name field of EFI_HOB_MEMORY_ALLOCATION.AllocDescriptor.
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/// It signifies that the corresponding EFI_HOB_MEMORY_ALLOCATION HOB points to the location of MM Profile data.
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/// MM Profile is a feature designed to log accesses to non-MM regions by standalone MM.
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/// It stores these access logs within the MM Profile data.
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///
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#define MM_PROFILE_DATA_HOB_GUID \
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{ \
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0x26ef081d, 0x19b0, 0x4c42, {0xa2, 0x57, 0xa7, 0xf5, 0x9f, 0x8b, 0xd0, 0x38} \
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}
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///
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/// In standalone MM, the policy for accessing non-MM regions is simplified:
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/// Non-MM regions and their access policies are specified by EFI_HOB_RESOURCE_DESCRIPTOR HOBs.
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/// Accesses to regions marked with the MM_RESOURCE_ATTRIBUTE_LOGGING attribute
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/// are permitted in standalone MM, and these accesses are logged in the MM Profile data.
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/// This attribute is not utilized by the SMM Profile feature in traditional SMM.
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///
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#define MM_RESOURCE_ATTRIBUTE_LOGGING 0x10000000
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extern EFI_GUID gMmProfileDataHobGuid;
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#endif
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