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/*++ @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;
}
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