DxeCcProbeLib.c

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#include <Uefi/UefiBaseType.h>
#include <Library/CcProbeLib.h>
#include <WorkArea.h>
 
STATIC UINT8    mCcProbeGuestType = 0;
STATIC BOOLEAN  mCcProbed         = FALSE;
 
STATIC
UINT8
ReadCcGuestType (
  VOID
  )
{
  OVMF_WORK_AREA  *WorkArea;
 
  if (!mCcProbed) {
    WorkArea          = (OVMF_WORK_AREA *)FixedPcdGet32 (PcdOvmfWorkAreaBase);
    mCcProbeGuestType = WorkArea != NULL ? WorkArea->Header.GuestType : CcGuestTypeNonEncrypted;
    mCcProbed         = TRUE;
  }
 
  return mCcProbeGuestType;
}
 
UINT8
EFIAPI
CcProbe (
  VOID
  )
{
  return ReadCcGuestType ();
}
 
EFI_STATUS
EFIAPI
DxeCcProbeLibConstructor (
  VOID
  )
{
  ReadCcGuestType ();
  return EFI_SUCCESS;
}