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

[mirror_edk2.git] / IntelFsp2WrapperPkg / Library / BaseFspWrapperApiLib / IA32 / DispatchExecute.c

/** @file\r
  Execute 32-bit code in Protected Mode.\r
\r
  Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Uefi.h>\r
#include <FspEas.h>\r
\r
/**\r
  FSP API functions.\r
\r
  @param[in] Param1       The first parameter to pass to 32bit code.\r
  @param[in] Param2       The second parameter to pass to 32bit code.\r
\r
  @return EFI_STATUS.\r
**/\r
typedef\r
EFI_STATUS\r
(EFIAPI *FSP_FUNCTION)(\r
  IN VOID *Param1,\r
  IN VOID *Param2\r
  );\r
\r
/**\r
  Wrapper for a thunk to transition from long mode to compatibility mode to execute 32-bit code and then transit back to\r
  long mode.\r
\r
  @param[in] Function     The 32bit code entry to be executed.\r
  @param[in] Param1       The first parameter to pass to 32bit code.\r
  @param[in] Param2       The second parameter to pass to 32bit code.\r
\r
  @return EFI_STATUS.\r
**/\r
EFI_STATUS\r
Execute32BitCode (\r
  IN UINT64  Function,\r
  IN UINT64  Param1,\r
  IN UINT64  Param2\r
  )\r
{\r
  FSP_FUNCTION  EntryFunc;\r
  EFI_STATUS    Status;\r
\r
  EntryFunc = (FSP_FUNCTION)(UINTN)(Function);\r
  Status    = EntryFunc ((VOID *)(UINTN)Param1, (VOID *)(UINTN)Param2);\r
\r
  return Status;\r
}\r
\r
/**\r
  Wrapper for a thunk to transition from compatibility mode to long mode to execute 64-bit code and then transit back to\r
  compatibility mode.\r
\r
  @param[in] Function     The 64bit code entry to be executed.\r
  @param[in] Param1       The first parameter to pass to 64bit code.\r
  @param[in] Param2       The second parameter to pass to 64bit code.\r
\r
  @return EFI_STATUS.\r
**/\r
EFI_STATUS\r
Execute64BitCode (\r
  IN UINT64  Function,\r
  IN UINT64  Param1,\r
  IN UINT64  Param2\r
  )\r
{\r
  return EFI_UNSUPPORTED;\r
}\r