bff2811c6d
Create a one page secret area in the MEMFD and reserve the area with a boot time HOB. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3077 Signed-off-by: James Bottomley <jejb@linux.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20201130202819.3910-6-jejb@linux.ibm.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com> [lersek@redhat.com: s/protect/reserve/g in the commit message, at Ard's and James's suggestion]
26 lines
554 B
C
26 lines
554 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 <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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PcdGet32 (PcdSevLaunchSecretSize),
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EfiBootServicesData
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);
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return EFI_SUCCESS;
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}
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