PlatformPeim.c

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#include <PiPei.h>
 
//
// The protocols, PPI and GUID definitions for this module
//
#include <Ppi/MasterBootMode.h>
#include <Ppi/BootInRecoveryMode.h>
#include <Ppi/GuidedSectionExtraction.h>
//
// The Library classes this module consumes
//
#include <Library/ArmPlatformLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h>
#include <Library/PcdLib.h>
 
EFI_STATUS
EFIAPI
InitializePlatformPeim (
  IN       EFI_PEI_FILE_HANDLE  FileHandle,
  IN CONST EFI_PEI_SERVICES     **PeiServices
  );
 
EFI_STATUS
EFIAPI
PlatformPeim (
  VOID
  );
 
//
// Module globals
//
CONST EFI_PEI_PPI_DESCRIPTOR  mPpiListBootMode = {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiPeiMasterBootModePpiGuid,
  NULL
};
 
CONST EFI_PEI_PPI_DESCRIPTOR  mPpiListRecoveryBootMode = {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiPeiBootInRecoveryModePpiGuid,
  NULL
};
 
/*++
 
Routine Description:
 
 
 
Arguments:
 
  FileHandle  - Handle of the file being invoked.
  PeiServices - Describes the list of possible PEI Services.
 
Returns:
 
  Status -  EFI_SUCCESS if the boot mode could be set
 
--*/
EFI_STATUS
EFIAPI
InitializePlatformPeim (
  IN       EFI_PEI_FILE_HANDLE  FileHandle,
  IN CONST EFI_PEI_SERVICES     **PeiServices
  )
{
  EFI_STATUS     Status;
  EFI_BOOT_MODE  BootMode;
 
  DEBUG ((DEBUG_LOAD | DEBUG_INFO, "Platform PEIM Loaded\n"));
 
  Status = PeiServicesSetBootMode (ArmPlatformGetBootMode ());
  ASSERT_EFI_ERROR (Status);
 
  PlatformPeim ();
 
  Status = PeiServicesGetBootMode (&BootMode);
  ASSERT_EFI_ERROR (Status);
 
  Status = PeiServicesInstallPpi (&mPpiListBootMode);
  ASSERT_EFI_ERROR (Status);
 
  if (BootMode == BOOT_IN_RECOVERY_MODE) {
    Status = PeiServicesInstallPpi (&mPpiListRecoveryBootMode);
    ASSERT_EFI_ERROR (Status);
  }
 
  return Status;
}