FspWrapperPlatformSecLibSample.c

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#include <PiPei.h>
 
#include <Ppi/SecPlatformInformation.h>
#include <Ppi/SecPerformance.h>
 
#include <Library/LocalApicLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
 
EFI_STATUS
EFIAPI
SecPlatformInformation (
  IN CONST EFI_PEI_SERVICES                  **PeiServices,
  IN OUT   UINT64                            *StructureSize,
  OUT   EFI_SEC_PLATFORM_INFORMATION_RECORD  *PlatformInformationRecord
  );
 
EFI_STATUS
EFIAPI
SecGetPerformance (
  IN CONST EFI_PEI_SERVICES          **PeiServices,
  IN       PEI_SEC_PERFORMANCE_PPI   *This,
  OUT      FIRMWARE_SEC_PERFORMANCE  *Performance
  );
 
PEI_SEC_PERFORMANCE_PPI  mSecPerformancePpi = {
  SecGetPerformance
};
 
EFI_PEI_PPI_DESCRIPTOR  mPeiSecPlatformPpi[] = {
  {
    EFI_PEI_PPI_DESCRIPTOR_PPI,
    &gTopOfTemporaryRamPpiGuid,
    NULL // To be patched later.
  },
  {
    EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
    &gPeiSecPerformancePpiGuid,
    &mSecPerformancePpi
  },
};
 
EFI_PEI_PPI_DESCRIPTOR *
EFIAPI
SecPlatformMain (
  IN OUT   EFI_SEC_PEI_HAND_OFF  *SecCoreData
  )
{
  EFI_PEI_PPI_DESCRIPTOR  *PpiList;
 
  DEBUG ((DEBUG_INFO, "SecPlatformMain\n"));
 
  DEBUG ((DEBUG_INFO, "BootFirmwareVolumeBase - 0x%x\n", SecCoreData->BootFirmwareVolumeBase));
  DEBUG ((DEBUG_INFO, "BootFirmwareVolumeSize - 0x%x\n", SecCoreData->BootFirmwareVolumeSize));
  DEBUG ((DEBUG_INFO, "TemporaryRamBase       - 0x%x\n", SecCoreData->TemporaryRamBase));
  DEBUG ((DEBUG_INFO, "TemporaryRamSize       - 0x%x\n", SecCoreData->TemporaryRamSize));
  DEBUG ((DEBUG_INFO, "PeiTemporaryRamBase    - 0x%x\n", SecCoreData->PeiTemporaryRamBase));
  DEBUG ((DEBUG_INFO, "PeiTemporaryRamSize    - 0x%x\n", SecCoreData->PeiTemporaryRamSize));
  DEBUG ((DEBUG_INFO, "StackBase              - 0x%x\n", SecCoreData->StackBase));
  DEBUG ((DEBUG_INFO, "StackSize              - 0x%x\n", SecCoreData->StackSize));
 
  InitializeApicTimer (0, (UINT32)-1, TRUE, 5);
 
  //
  // Use middle of Heap as temp buffer, it will be copied by caller.
  // Do not use Stack, because it will cause wrong calculation on stack by PeiCore
  //
  PpiList = (VOID *)((UINTN)SecCoreData->PeiTemporaryRamBase + (UINTN)SecCoreData->PeiTemporaryRamSize/2);
  CopyMem (PpiList, mPeiSecPlatformPpi, sizeof (mPeiSecPlatformPpi));
 
  //
  // Patch TopOfTemporaryRamPpi
  //
  PpiList[0].Ppi = (VOID *)((UINTN)SecCoreData->TemporaryRamBase + SecCoreData->TemporaryRamSize);
 
  return PpiList;
}