UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / OvmfPkg / Library / EmuVariableFvbLib / EmuVariableFvbLib.c

/** @file\r
  OVMF platform customization for EMU Variable FVB driver\r
\r
  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "PiDxe.h"\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/PlatformFvbLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/UefiRuntimeLib.h>\r
\r
/**\r
  This function will be called following a call to the\r
  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Read function.\r
\r
  @param[in] This     The EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL instance.\r
  @param[in] Lba      The starting logical block index\r
                      from which to read.\r
  @param[in] Offset   Offset into the block at which to begin reading.\r
  @param[in] NumBytes The number of bytes read.\r
  @param[in] Buffer   Pointer to the buffer that was read, and will be\r
                      returned to the caller.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformFvbDataRead (\r
  IN CONST  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL  *This,\r
  IN        EFI_LBA                              Lba,\r
  IN        UINTN                                Offset,\r
  IN        UINTN                                NumBytes,\r
  IN        UINT8                                *Buffer\r
  )\r
{\r
}\r
\r
/**\r
  This function will be called following a call to the\r
  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Write function.\r
\r
  @param[in] This     EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL instance.\r
  @param[in] Lba      The starting logical block index to written to.\r
  @param[in] Offset   Offset into the block at which to begin writing.\r
  @param[in] NumBytes The number of bytes written.\r
  @param[in] Buffer   Pointer to the buffer that was written.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformFvbDataWritten (\r
  IN CONST  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL  *This,\r
  IN        EFI_LBA                              Lba,\r
  IN        UINTN                                Offset,\r
  IN        UINTN                                NumBytes,\r
  IN        UINT8                                *Buffer\r
  )\r
{\r
  STATIC EFI_EVENT  EventToSignal = NULL;\r
\r
  if (!EfiAtRuntime ()) {\r
    if (EventToSignal == NULL) {\r
      EventToSignal = (EFI_EVENT)(UINTN)PcdGet64 (PcdEmuVariableEvent);\r
    }\r
\r
    if (EventToSignal != NULL) {\r
      gBS->SignalEvent (EventToSignal);\r
    }\r
  }\r
}\r
\r
/**\r
  This function will be called following a call to the\r
  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Erase function.\r
\r
  @param This   Indicates the EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL\r
                instance.\r
  @param List   The variable argument list as documented for\r
                the EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL Erase\r
                function.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformFvbBlocksErased (\r
  IN CONST  EFI_FIRMWARE_VOLUME_BLOCK2_PROTOCOL  *This,\r
  IN  VA_LIST                                    List\r
  )\r
{\r
}\r