예제 #1
0
/**
  Worker function to switch the requested AP to be the BSP from that point onward.

  @param[in] ProcessorNumber   The handle number of AP that is to become the new BSP.
**/
VOID
SwitchNewBsp (
  IN  UINTN                            ProcessorNumber
  )
{
  EFI_STATUS                           Status;
  EFI_PEI_MP_SERVICES_PPI              *CpuMpPpi;

  //
  // Get MP Services Protocol
  //
  Status = PeiServicesLocatePpi (
             &gEfiPeiMpServicesPpiGuid,
             0,
             NULL,
             (VOID **)&CpuMpPpi
             );
  ASSERT_EFI_ERROR (Status);

  //
  // Wakeup all APs for data collection.
  //
  Status = CpuMpPpi->SwitchBSP (
                 GetPeiServicesTablePointer (),
                 CpuMpPpi,
                 ProcessorNumber,
                 TRUE
                 );
  ASSERT_EFI_ERROR (Status);
}
예제 #2
0
/**
  Worker function to switch the requested AP to be the BSP from that point onward.

  @param[in] ProcessorNumber   The handle number of AP that is to become the new BSP.
**/
VOID
SwitchNewBsp (
  IN  UINTN                            ProcessorNumber
  )
{
  EFI_STATUS                           Status;
  EFI_PEI_MP_SERVICES_PPI              *CpuMpPpi;
  CPU_FEATURES_DATA                    *CpuFeaturesData;

  CpuFeaturesData = GetCpuFeaturesData ();
  CpuMpPpi = CpuFeaturesData->MpService.Ppi;

  //
  // Wakeup all APs for data collection.
  //
  Status = CpuMpPpi->SwitchBSP (
                 GetPeiServicesTablePointer (),
                 CpuMpPpi,
                 ProcessorNumber,
                 TRUE
                 );
  ASSERT_EFI_ERROR (Status);
}