alder_lake_bios/Intel/AlderLake/AlderLakeChipsetPkg/Library/DxeOemSvcChipsetLib/OemSvcHookPlatformDxe.c

51 lines
2.2 KiB
C

/** @file
This function provides an interface to hook before and after DxePlatformEntryPoint (PlatformDxe.inf).
;******************************************************************************
;* Copyright (c) 2014, Insyde Software Corporation. All Rights Reserved.
;*
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
;* transmit, broadcast, present, recite, release, license or otherwise exploit
;* any part of this publication in any form, by any means, without the prior
;* written permission of Insyde Software Corporation.
;*
;******************************************************************************
*/
#include <Library/DxeOemSvcChipsetLib.h>
/**
This function provides an interface to hook before and after DxePlatformEntryPoint (PlatformDxe.inf).PlatformDxe.inf
is responsible for setting up any platform specific policy or initialization information.
@param[in out] *SetupVariable On entry, points to CHIPSET_CONFIGURATION instance.
On exit , points to updated CHIPSET_CONFIGURATION instance.
@param[in out] *PciRootBridgeIo On entry, points to EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
On exit , points to updated EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL instance.
@param[in out] Flag TRUE : Before DxePlatformEntryPoint.
FALSE: After DxePlatformEntryPoint.
@retval EFI_UNSUPPORTED Returns unsupported by default.
@retval EFI_MEDIA_CHANGED Alter the Configuration Parameter.
@retval EFI_SUCCESS The function performs the same operation as caller.
The caller will skip the specified behavior and assuming
that it has been handled completely by this function.
*/
EFI_STATUS
OemSvcHookPlatformDxe (
IN CHIPSET_CONFIGURATION *SetupVariable,
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo,
IN BOOLEAN Flag
)
{
if ( Flag )
{
//Operation 1
//Add OEM operation before chipset operation here.
} else {
//Operation 2
//Add OEM operation after chipset operation here.
}
return EFI_UNSUPPORTED;
}