audk/OvmfPkg/AmdSev/SecretDxe/SecretDxe.c

38 lines
1.1 KiB
C

/** @file
Confidential Computing Secret configuration table constructor
Copyright (C) 2020 James Bottomley, IBM Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiDxe.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Guid/ConfidentialComputingSecret.h>
EFI_STATUS
EFIAPI
InitializeSecretDxe (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
CONFIDENTIAL_COMPUTING_SECRET_LOCATION *SecretDxeTable;
Status = gBS->AllocatePool (
EfiACPIReclaimMemory,
sizeof (CONFIDENTIAL_COMPUTING_SECRET_LOCATION),
(VOID **)&SecretDxeTable
);
if (EFI_ERROR (Status)) {
return Status;
}
SecretDxeTable->Base = FixedPcdGet32 (PcdSevLaunchSecretBase);
SecretDxeTable->Size = FixedPcdGet32 (PcdSevLaunchSecretSize);
return gBS->InstallConfigurationTable (
&gConfidentialComputingSecretGuid,
SecretDxeTable
);
}