109 lines
2 KiB
C
109 lines
2 KiB
C
|
/*++ @file
|
||
|
Reset Architectural Protocol as defined in UEFI/PI under Emulation
|
||
|
|
||
|
Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>
|
||
|
Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.
|
||
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
||
|
**/
|
||
|
|
||
|
#include <PiDxe.h>
|
||
|
|
||
|
#include <Library/BaseLib.h>
|
||
|
#include <Library/DebugLib.h>
|
||
|
#include <Library/UefiLib.h>
|
||
|
#include <Library/UefiDriverEntryPoint.h>
|
||
|
#include <Library/MemoryAllocationLib.h>
|
||
|
#include <Library/UefiBootServicesTableLib.h>
|
||
|
#include <Library/EmuThunkLib.h>
|
||
|
|
||
|
#include <Protocol/Reset.h>
|
||
|
|
||
|
|
||
|
VOID
|
||
|
EFIAPI
|
||
|
EmuResetSystem (
|
||
|
IN EFI_RESET_TYPE ResetType,
|
||
|
IN EFI_STATUS ResetStatus,
|
||
|
IN UINTN DataSize,
|
||
|
IN VOID *ResetData OPTIONAL
|
||
|
)
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
UINTN HandleCount;
|
||
|
EFI_HANDLE *HandleBuffer;
|
||
|
UINTN Index;
|
||
|
|
||
|
//
|
||
|
// Disconnect all
|
||
|
//
|
||
|
Status = gBS->LocateHandleBuffer (
|
||
|
AllHandles,
|
||
|
NULL,
|
||
|
NULL,
|
||
|
&HandleCount,
|
||
|
&HandleBuffer
|
||
|
);
|
||
|
if (!EFI_ERROR (Status)) {
|
||
|
for (Index = 0; Index < HandleCount; Index++) {
|
||
|
Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
|
||
|
}
|
||
|
|
||
|
gBS->FreePool (HandleBuffer);
|
||
|
}
|
||
|
|
||
|
|
||
|
//
|
||
|
// Discard ResetType, always return 0 as exit code
|
||
|
//
|
||
|
gEmuThunk->Exit (0);
|
||
|
|
||
|
//
|
||
|
// Should never go here
|
||
|
//
|
||
|
ASSERT (FALSE);
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
InitializeEmuReset (
|
||
|
IN EFI_HANDLE ImageHandle,
|
||
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
|
||
|
|
||
|
Arguments:
|
||
|
|
||
|
ImageHandle of the loaded driver
|
||
|
Pointer to the System Table
|
||
|
|
||
|
Returns:
|
||
|
|
||
|
Status
|
||
|
**/
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
EFI_HANDLE Handle;
|
||
|
|
||
|
SystemTable->RuntimeServices->ResetSystem = EmuResetSystem;
|
||
|
|
||
|
Handle = NULL;
|
||
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||
|
&Handle,
|
||
|
&gEfiResetArchProtocolGuid,
|
||
|
NULL,
|
||
|
NULL
|
||
|
);
|
||
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
||
|
return Status;
|
||
|
}
|
||
|
|