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

[mirror_edk2.git] / EmulatorPkg / AutoScanPei / AutoScanPei.c

/*++ @file\r
\r
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
Portions copyright (c) 2011, Apple Inc. All rights reserved.\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "PiPei.h"\r
#include <Ppi/EmuThunk.h>\r
#include <Ppi/MemoryDiscovered.h>\r
\r
#include <Library/DebugLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/BaseLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/PeiServicesTablePointerLib.h>\r
\r
EFI_STATUS\r
EFIAPI\r
PeimInitializeAutoScanPei (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
\r
/*++\r
\r
Routine Description:\r
  Perform a call-back into the SEC simulator to get a memory value\r
\r
Arguments:\r
  FfsHeader   - General purpose data available to every PEIM\r
  PeiServices - General purpose services available to every PEIM.\r
\r
Returns:\r
  None\r
\r
**/\r
{\r
  EFI_STATUS                   Status;\r
  EFI_PEI_PPI_DESCRIPTOR       *PpiDescriptor;\r
  EMU_THUNK_PPI                *Thunk;\r
  UINT64                       MemorySize;\r
  EFI_PHYSICAL_ADDRESS         MemoryBase;\r
  UINTN                        Index;\r
  EFI_RESOURCE_ATTRIBUTE_TYPE  Attributes;\r
\r
  DEBUG ((DEBUG_ERROR, "Emu Autoscan PEIM Loaded\n"));\r
\r
  //\r
  // Get the PEI UNIX Autoscan PPI\r
  //\r
  Status = PeiServicesLocatePpi (\r
             &gEmuThunkPpiGuid,      // GUID\r
             0,                      // INSTANCE\r
             &PpiDescriptor,         // EFI_PEI_PPI_DESCRIPTOR\r
             (VOID **)&Thunk         // PPI\r
             );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  Index = 0;\r
  do {\r
    Status = Thunk->MemoryAutoScan (Index, &MemoryBase, &MemorySize);\r
    if (!EFI_ERROR (Status)) {\r
      Attributes =\r
        (\r
         EFI_RESOURCE_ATTRIBUTE_PRESENT |\r
         EFI_RESOURCE_ATTRIBUTE_INITIALIZED |\r
         EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |\r
         EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |\r
         EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |\r
         EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE\r
        );\r
\r
      if (Index == 0) {\r
        //\r
        // Register the memory with the PEI Core\r
        //\r
        Status = PeiServicesInstallPeiMemory (MemoryBase, MemorySize);\r
        ASSERT_EFI_ERROR (Status);\r
\r
        Attributes |= EFI_RESOURCE_ATTRIBUTE_TESTED;\r
      }\r
\r
      BuildResourceDescriptorHob (\r
        EFI_RESOURCE_SYSTEM_MEMORY,\r
        Attributes,\r
        MemoryBase,\r
        MemorySize\r
        );\r
    }\r
\r
    Index++;\r
  } while (!EFI_ERROR (Status));\r
\r
  //\r
  // Build the CPU hob with 57-bit addressing and 16-bits of IO space.\r
  //\r
  BuildCpuHob (57, 16);\r
\r
  return Status;\r
}\r