/**
Main entry point to last PEIM.
This function finds DXE Core in the firmware volume and transfer the control to
DXE core.
@param[in] This Entry point for DXE IPL PPI.
@param[in] PeiServices General purpose services available to every PEIM.
@param[in] HobList Address to the Pei HOB list.
@return EFI_SUCCESS DXE core was successfully loaded.
@return EFI_OUT_OF_RESOURCES There are not enough resources to load DXE core.
**/
EFI_STATUS
EFIAPI
DxeLoadCore (
IN CONST EFI_DXE_IPL_PPI *This,
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_HOB_POINTERS HobList
)
{
EFI_STATUS Status;
DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));
//
// End of PEI phase signal
//
Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
ASSERT_EFI_ERROR (Status);
//
// Give control back to BootLoader after FspInit
//
DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));
FspInitDone ();
//
// BootLoader called FSP again through NotifyPhase
//
FspWaitForNotify ();
//
// Give control back to the boot loader framework caller
//
DEBUG ((DEBUG_INFO | DEBUG_INIT, "============= PEIM FSP is Completed =============\n\n"));
SetFspApiReturnStatus(EFI_SUCCESS);
SetFspMeasurePoint (FSP_PERF_ID_API_NOTIFY_RDYBOOT_EXIT);
Pei2LoaderSwitchStack();
//
// Should not come here
//
while (TRUE) {
DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));
SetFspApiReturnStatus(EFI_UNSUPPORTED);
Pei2LoaderSwitchStack();
}
return EFI_SUCCESS;
}
/**
This function waits for FSP notify.
@param This Entry point for DXE IPL PPI.
@param PeiServices General purpose services available to every PEIM.
@param HobList Address to the Pei HOB list.
@return EFI_SUCCESS This function never returns.
**/
EFI_STATUS
EFIAPI
WaitForNotify (
IN CONST EFI_DXE_IPL_PPI *This,
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_HOB_POINTERS HobList
)
{
EFI_STATUS Status;
DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP HOB is located at 0x%08X\n", HobList));
//
// End of PEI phase signal
//
Status = PeiServicesInstallPpi (&gEndOfPeiSignalPpi);
ASSERT_EFI_ERROR (Status);
//
// Give control back to BootLoader after FspSiliconInit
//
DEBUG ((DEBUG_INFO | DEBUG_INIT, "FSP is waiting for NOTIFY\n"));
FspSiliconInitDone2 (EFI_SUCCESS);
//
// BootLoader called FSP again through NotifyPhase
//
FspWaitForNotify ();
if (GetFspGlobalDataPointer ()->FspMode == FSP_IN_API_MODE) {
//
// Should not come here
//
while (TRUE) {
DEBUG ((DEBUG_ERROR, "No FSP API should be called after FSP is DONE!\n"));
SetFspApiReturnStatus (EFI_UNSUPPORTED);
Pei2LoaderSwitchStack ();
}
}
return EFI_SUCCESS;
}