SecVirtualMemory.c

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#include <Library/CpuLib.h>
#include <Library/MemEncryptSevLib.h>
 
#include "VirtualMemory.h"
 
UINT64
EFIAPI
InternalGetMemEncryptionAddressMask (
  VOID
  )
{
  UINT64  EncryptionMask;
 
  EncryptionMask  = MemEncryptSevGetEncryptionMask ();
  EncryptionMask &= PAGING_1G_ADDRESS_MASK_64;
 
  return EncryptionMask;
}
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryDecrypted (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  )
{
  //
  // This function is not available during SEC.
  //
  return RETURN_UNSUPPORTED;
}
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevSetMemoryEncrypted (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  )
{
  //
  // This function is not available during SEC.
  //
  return RETURN_UNSUPPORTED;
}
 
RETURN_STATUS
EFIAPI
InternalMemEncryptSevClearMmioPageEncMask (
  IN  PHYSICAL_ADDRESS  Cr3BaseAddress,
  IN  PHYSICAL_ADDRESS  PhysicalAddress,
  IN  UINTN             Length
  )
{
  //
  // This function is not available during SEC.
  //
  return RETURN_UNSUPPORTED;
}