5ace477f34
Round up the size of the SEV launch secret area to a whole page, as required by BuildMemoryAllocationHob. This will allow the secret area defined in the MEMFD to take less than a whole 4KB page. Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Ashish Kalra <ashish.kalra@amd.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Min Xu <min.m.xu@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3457 Signed-off-by: Dov Murik <dovmurik@linux.ibm.com> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Reviewed-by: Brijesh Singh <brijesh.singh@amd.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
27 lines
602 B
C
27 lines
602 B
C
/** @file
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SEV Secret boot time HOB placement
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Copyright (C) 2020 James Bottomley, IBM Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Base.h>
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#include <PiPei.h>
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#include <Library/HobLib.h>
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#include <Library/PcdLib.h>
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EFI_STATUS
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EFIAPI
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InitializeSecretPei (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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BuildMemoryAllocationHob (
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PcdGet32 (PcdSevLaunchSecretBase),
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ALIGN_VALUE (PcdGet32 (PcdSevLaunchSecretSize), EFI_PAGE_SIZE),
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EfiBootServicesData
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);
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return EFI_SUCCESS;
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}
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