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

[mirror_edk2.git] / EmulatorPkg / Library / ThunkPpiList / ThunkPpiList.c

/** @file\r
  Emulator Thunk to abstract OS services from pure EFI code\r
\r
  Copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
  Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Library/BaseLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
\r
UINTN                   gThunkPpiListSize = 0;\r
EFI_PEI_PPI_DESCRIPTOR  *gThunkPpiList    = NULL;\r
\r
EFI_PEI_PPI_DESCRIPTOR *\r
GetThunkPpiList (\r
  VOID\r
  )\r
{\r
  UINTN  Index;\r
\r
  if (gThunkPpiList == NULL) {\r
    return NULL;\r
  }\r
\r
  Index                       = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR)) - 1;\r
  gThunkPpiList[Index].Flags |= EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
\r
  return gThunkPpiList;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
AddThunkPpi (\r
  IN  UINTN     Flags,\r
  IN  EFI_GUID  *Guid,\r
  IN  VOID      *Ppi\r
  )\r
{\r
  UINTN  Index;\r
\r
  gThunkPpiList = ReallocatePool (\r
                    gThunkPpiListSize,\r
                    gThunkPpiListSize + sizeof (EFI_PEI_PPI_DESCRIPTOR),\r
                    gThunkPpiList\r
                    );\r
  if (gThunkPpiList == NULL) {\r
    return EFI_OUT_OF_RESOURCES;\r
  }\r
\r
  Index                      = (gThunkPpiListSize/sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
  gThunkPpiList[Index].Flags = Flags;\r
  gThunkPpiList[Index].Guid  = Guid;\r
  gThunkPpiList[Index].Ppi   = Ppi;\r
  gThunkPpiListSize         += sizeof (EFI_PEI_PPI_DESCRIPTOR);\r
\r
  return EFI_SUCCESS;\r
}\r