mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-10 14:23:31 +01:00
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
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/*
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* DriverOverride.c
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*
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* Funcs for installing EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL
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* in CloverEFI
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*
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*/
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Protocol/PlatformDriverOverride.h>
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//////////////////////////////////////////////////////////////////////
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//
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// Our EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL implementation
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//
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/** Our EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.GetDriver implementation. */
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EFI_STATUS
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EFIAPI
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PlatformGetDriver (
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IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN OUT EFI_HANDLE *DriverImageHandle
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)
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{
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return EFI_NOT_FOUND;
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}
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/** Our EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.GetDriverPath implementation. */
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EFI_STATUS
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EFIAPI
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PlatformGetDriverPath (
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IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN OUT EFI_DEVICE_PATH_PROTOCOL **DriverImagePath
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)
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{
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return EFI_UNSUPPORTED;
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}
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/** Our EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL.DriverLoaded implementation. */
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EFI_STATUS
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EFIAPI
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PlatformDriverLoaded (
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IN EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL *DriverImagePath,
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IN EFI_HANDLE DriverImageHandle
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)
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{
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return EFI_UNSUPPORTED;
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}
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/** Our EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL structure. */
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EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL mPlatformDriverOverrideProtocol = {
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PlatformGetDriver,
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PlatformGetDriverPath,
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PlatformDriverLoaded
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};
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//////////////////////////////////////////////////////////////////////
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//
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// Entry
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//
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//////
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EFI_STATUS
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EFIAPI
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DriverOverrideEntrypoint(
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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EFI_HANDLE NewHandle;
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NewHandle = NULL; // install to a new handle
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Status = gBS->InstallMultipleProtocolInterfaces (
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&NewHandle,
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&gEfiPlatformDriverOverrideProtocolGuid,
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&mPlatformDriverOverrideProtocol,
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NULL
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);
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return Status;
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}
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