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f9c373c838
Introduce a driver that allows users to disable the EFI Memory Attribute protocol through an HII setup option, in order to work around a broken version of rhboot's shim used in some distros (e.g. CentOS Stream 9) which incorrectly invokes the protocol and results in a Synchronous Exception. Default is enabled, which can also be overridden at build time by changing `gEmbeddedTokenSpaceGuid.PcdMemoryAttributeEnabledDefault`. It is only applicable to ARM64 and there isn't any other technical reason for disabling this security feature. See: - https://github.com/microsoft/mu_silicon_arm_tiano/issues/124 - https://edk2.groups.io/g/devel/topic/99631663 - https://github.com/tianocore/edk2/pull/5840 Signed-off-by: Mario Bălănică <mariobalanica02@gmail.com>
23 lines
581 B
C
23 lines
581 B
C
/** @file
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Copyright (c) 2023-2024, Mario Bălănică <mariobalanica02@gmail.com>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef MEMORY_ATTRIBUTE_MANAGER_DXE_H_
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#define MEMORY_ATTRIBUTE_MANAGER_DXE_H_
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#include <Guid/MemoryAttributeManagerFormSet.h>
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#define PROTOCOL_ENABLED_DEFAULT FixedPcdGetBool(PcdMemoryAttributeEnabledDefault)
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#define MEMORY_ATTRIBUTE_MANAGER_DATA_VAR_NAME L"MemoryAttributeManagerData"
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typedef struct {
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BOOLEAN Enabled;
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} MEMORY_ATTRIBUTE_MANAGER_VARSTORE_DATA;
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#endif // __MEMORY_ATTRIBUTE_MANAGER_DXE_H__
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