EFI_STATUS
SetInitRootPortDownstreamS3Item (
)
/*++
Routine Description:
Set an Init Root Port Downstream devices S3 dispatch item, this function may assert if any error happend
Arguments:
Returns:
EFI_SUCCESS The function completed successfully
--*/
{
EFI_STATUS Status;
VOID *Context;
VOID *S3DispatchEntryPoint;
STATIC EFI_QNC_S3_SUPPORT_PROTOCOL *QncS3Support;
STATIC UINT32 S3ParameterRootPortDownstream=0;
STATIC EFI_QNC_S3_DISPATCH_ITEM S3DispatchItem = {
QncS3ItemTypeInitPcieRootPortDownstream,
&S3ParameterRootPortDownstream
};
if (!QncS3Support) {
//
// Get the QNC S3 Support Protocol
//
Status = gBS->LocateProtocol (
&gEfiQncS3SupportProtocolGuid,
NULL,
&QncS3Support
);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
return Status;
}
}
Status = QncS3Support->SetDispatchItem (
QncS3Support,
&S3DispatchItem,
&S3DispatchEntryPoint,
&Context
);
ASSERT_EFI_ERROR (Status);
//
// Save the script dispatch item in the Boot Script
//
Status = S3BootScriptSaveDispatch2 (S3DispatchEntryPoint, Context);
ASSERT_EFI_ERROR (Status);
//
return Status;
}
/**
Internal function to add Save jmp address according to DISPATCH_OPCODE2.
The "Context" parameter is not ignored.
@param Marker The variable argument list to get the opcode
and associated attributes.
@retval EFI_OUT_OF_RESOURCES Not enough resource to do operation.
@retval EFI_SUCCESS Opcode is added.
**/
EFI_STATUS
BootScriptWriteDispatch2 (
IN VA_LIST Marker
)
{
VOID *EntryPoint;
VOID *Context;
EntryPoint = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
Context = (VOID*)(UINTN)VA_ARG (Marker, EFI_PHYSICAL_ADDRESS);
return S3BootScriptSaveDispatch2 (EntryPoint, Context);
}
