mirror of https://github.com/acidanthera/audk.git
35 lines
1.0 KiB
NASM
35 lines
1.0 KiB
NASM
;-----------------------------------------------------------------------------
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; @file
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; OVMF metadata for the AMD SEV confidential computing guests
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;
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; Copyright (c) 2021, AMD Inc. All rights reserved.<BR>
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;
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; SPDX-License-Identifier: BSD-2-Clause-Patent
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;-----------------------------------------------------------------------------
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BITS 64
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%define OVMF_SEV_METADATA_VERSION 1
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; The section must be accepted or validated by the VMM before the boot
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%define OVMF_SECTION_TYPE_SNP_SEC_MEM 0x1
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ALIGN 16
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TIMES (15 - ((OvmfSevGuidedStructureEnd - OvmfSevGuidedStructureStart + 15) % 16)) DB 0
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OvmfSevGuidedStructureStart:
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;
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; OvmfSev metadata descriptor
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;
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OvmfSevMetadataGuid:
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_DescriptorSev:
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DB 'A','S','E','V' ; Signature
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DD OvmfSevGuidedStructureEnd - _DescriptorSev ; Length
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DD OVMF_SEV_METADATA_VERSION ; Version
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DD (OvmfSevGuidedStructureEnd - _DescriptorSev - 16) / 12 ; Number of sections
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OvmfSevGuidedStructureEnd:
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ALIGN 16
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