/**
A stub to convert framework boot script dispatch to PI boot script dispatch.
@param ImageHandle It should be is NULL.
@param Context The first parameter to pass to 32bit code
@return dispatch value.
**/
EFI_STATUS
EFIAPI
FrameworkBootScriptDispatchStub (
IN EFI_HANDLE ImageHandle,
IN VOID *Context
)
{
EFI_STATUS Status;
DISPATCH_ENTRYPOINT_FUNC EntryFunc;
VOID *PeiServices;
IA32_DESCRIPTOR Idtr;
DEBUG ((EFI_D_ERROR, "FrameworkBootScriptDispatchStub - 0x%08x\n", (UINTN)Context));
EntryFunc = (DISPATCH_ENTRYPOINT_FUNC) (UINTN) (Context);
AsmReadIdtr (&Idtr);
PeiServices = (VOID *)(UINTN)(*(UINT32 *)(Idtr.Base - sizeof (UINT32)));
//
// ECP assumes first parameter is NULL, and second parameter is PeiServices.
//
Status = Execute32BitCode ((UINT64)(UINTN)EntryFunc, 0, (UINT64)(UINTN)PeiServices);
return Status;
}
/**
Call FSP API - FspInit.
@param[in] FspHeader FSP header pointer.
@param[in] FspInitParams Address pointer to the FSP_INIT_PARAMS structure.
@return EFI status returned by FspInit API.
**/
EFI_STATUS
EFIAPI
CallFspInit (
IN FSP_INFO_HEADER *FspHeader,
IN FSP_INIT_PARAMS *FspInitParams
)
{
FSP_INIT FspInitApi;
EFI_STATUS Status;
BOOLEAN InterruptState;
FspInitApi = (FSP_INIT)(UINTN)(FspHeader->ImageBase + FspHeader->FspInitEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
Status = Execute32BitCode ((UINTN)FspInitApi, (UINTN)FspInitParams);
SetInterruptState (InterruptState);
return Status;
}
/**
Call FSP API - TempRamExit.
@param[in] FspHeader FSP header pointer.
@param[in,out] TempRamExitParam Address pointer to the TempRamExit parameters structure.
@return EFI status returned by TempRamExit API.
**/
EFI_STATUS
EFIAPI
CallTempRamExit (
IN FSP_INFO_HEADER *FspHeader,
IN OUT VOID *TempRamExitParam
)
{
FSP_TEMP_RAM_EXIT TempRamExitApi;
EFI_STATUS Status;
BOOLEAN InterruptState;
TempRamExitApi = (FSP_TEMP_RAM_EXIT)(UINTN)(FspHeader->ImageBase + FspHeader->TempRamExitEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
Status = Execute32BitCode ((UINTN)TempRamExitApi, (UINTN)TempRamExitParam);
SetInterruptState (InterruptState);
return Status;
}
/**
Call FSP API - FspNotifyPhase.
@param[in] FspHeader FSP header pointer.
@param[in] NotifyPhaseParams Address pointer to the NOTIFY_PHASE_PARAMS structure.
@return EFI status returned by FspNotifyPhase API.
**/
EFI_STATUS
EFIAPI
CallFspNotifyPhase (
IN FSP_INFO_HEADER *FspHeader,
IN NOTIFY_PHASE_PARAMS *NotifyPhaseParams
)
{
FSP_NOTIFY_PHASE NotifyPhaseApi;
EFI_STATUS Status;
BOOLEAN InterruptState;
NotifyPhaseApi = (FSP_NOTIFY_PHASE)(UINTN)(FspHeader->ImageBase + FspHeader->NotifyPhaseEntryOffset);
InterruptState = SaveAndDisableInterrupts ();
Status = Execute32BitCode ((UINTN)NotifyPhaseApi, (UINTN)NotifyPhaseParams);
SetInterruptState (InterruptState);
return Status;
}