Renamed remotely
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6021 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
@@ -0,0 +1,819 @@
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/*++
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Copyright (c) 2005 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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||||
which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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RuntimeLib.c
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Abstract:
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Light weight lib to support Tiano drivers.
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--*/
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#include "Tiano.h"
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#include "EfiRuntimeLib.h"
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#include EFI_PROTOCOL_DEFINITION (CpuIo)
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#include EFI_PROTOCOL_DEFINITION (FirmwareVolumeBlock)
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#include EFI_GUID_DEFINITION (StatusCodeCallerId)
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#include EFI_ARCH_PROTOCOL_DEFINITION (StatusCode)
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//
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// Driver Lib Module Globals
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//
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static EFI_RUNTIME_SERVICES *mRT;
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static EFI_EVENT mRuntimeNotifyEvent = NULL;
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static EFI_EVENT mEfiVirtualNotifyEvent = NULL;
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static BOOLEAN mRuntimeLibInitialized = FALSE;
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static BOOLEAN mEfiGoneVirtual = FALSE;
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//
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// Runtime Global, but you should use the Lib functions
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//
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EFI_CPU_IO_PROTOCOL *gCpuIo;
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BOOLEAN mEfiAtRuntime = FALSE;
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FVB_ENTRY *mFvbEntry;
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#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
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static EFI_STATUS_CODE_PROTOCOL *gStatusCode = NULL;
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#endif
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EFI_STATUS
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EfiConvertPointer (
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IN UINTN DebugDisposition,
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IN OUT VOID *Address
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)
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/*++
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Routine Description:
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Determines the new virtual address that is to be used on subsequent memory accesses.
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Arguments:
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DebugDisposition - Supplies type information for the pointer being converted.
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Address - A pointer to a pointer that is to be fixed to be the value needed
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for the new virtual address mappings being applied.
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Returns:
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Status code
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--*/
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{
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return mRT->ConvertPointer (DebugDisposition, Address);
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}
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EFI_STATUS
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EfiConvertInternalPointer (
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IN OUT VOID *Address
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)
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/*++
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Routine Description:
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Call EfiConvertPointer() to convert internal pointer.
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Arguments:
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Address - A pointer to a pointer that is to be fixed to be the value needed
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for the new virtual address mappings being applied.
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Returns:
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Status code
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--*/
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{
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return EfiConvertPointer (EFI_INTERNAL_POINTER, Address);
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}
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VOID
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EFIAPI
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EfiRuntimeLibFvbVirtualNotifyEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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/*++
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Routine Description:
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Convert all pointers in mFvbEntry after ExitBootServices.
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Arguments:
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Event - The Event that is being processed
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Context - Event Context
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Returns:
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None
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--*/
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{
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UINTN Index;
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if (mFvbEntry != NULL) {
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for (Index = 0; Index < MAX_FVB_COUNT; Index++) {
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if (NULL != mFvbEntry[Index].Fvb) {
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->GetBlockSize);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->GetPhysicalAddress);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->GetVolumeAttributes);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->SetVolumeAttributes);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->Read);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->Write);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb->EraseBlocks);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].Fvb);
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}
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if (NULL != mFvbEntry[Index].FvbExtension) {
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].FvbExtension->EraseFvbCustomBlock);
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EfiConvertInternalPointer ((VOID **) &mFvbEntry[Index].FvbExtension);
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}
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}
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EfiConvertInternalPointer ((VOID **) &mFvbEntry);
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}
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}
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VOID
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EFIAPI
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RuntimeDriverExitBootServices (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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/*++
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Routine Description:
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Set AtRuntime flag as TRUE after ExitBootServices
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Arguments:
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Event - The Event that is being processed
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Context - Event Context
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Returns:
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None
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--*/
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{
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mEfiAtRuntime = TRUE;
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}
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extern BOOLEAN gEfiFvbInitialized;
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VOID
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EFIAPI
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EfiRuntimeLibVirtualNotifyEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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/*++
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Routine Description:
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Fixup internal data so that EFI can be call in virtual mode.
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Call the passed in Child Notify event and convert any pointers in
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lib to virtual mode.
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Arguments:
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Event - The Event that is being processed
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Context - Event Context
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Returns:
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None
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--*/
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{
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EFI_EVENT_NOTIFY ChildNotifyEventHandler;
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if (Context != NULL) {
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ChildNotifyEventHandler = (EFI_EVENT_NOTIFY) (UINTN) Context;
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ChildNotifyEventHandler (Event, NULL);
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}
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if (gEfiFvbInitialized) {
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EfiRuntimeLibFvbVirtualNotifyEvent (Event, Context);
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}
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//
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// Update global for Runtime Services Table and IO
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//
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EfiConvertInternalPointer ((VOID **) &gCpuIo);
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#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
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if (gStatusCode != NULL) {
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EfiConvertInternalPointer ((VOID **) &gStatusCode->ReportStatusCode);
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EfiConvertInternalPointer ((VOID **) &gStatusCode);
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}
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#endif
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EfiConvertInternalPointer ((VOID **) &mRT);
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//
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// Clear out BootService globals
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//
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gBS = NULL;
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gST = NULL;
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mEfiGoneVirtual = TRUE;
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}
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EFI_STATUS
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EfiInitializeRuntimeDriverLib (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable,
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IN EFI_EVENT_NOTIFY GoVirtualChildEvent
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)
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/*++
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Routine Description:
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Intialize runtime Driver Lib if it has not yet been initialized.
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Arguments:
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ImageHandle - The firmware allocated handle for the EFI image.
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SystemTable - A pointer to the EFI System Table.
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GoVirtualChildEvent - Caller can register a virtual notification event.
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Returns:
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EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.
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--*/
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{
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EFI_STATUS Status;
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if (mRuntimeLibInitialized) {
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return EFI_ALREADY_STARTED;
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}
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mRuntimeLibInitialized = TRUE;
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gST = SystemTable;
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ASSERT (gST != NULL);
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gBS = SystemTable->BootServices;
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ASSERT (gBS != NULL);
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mRT = SystemTable->RuntimeServices;
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ASSERT (mRT != NULL);
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Status = EfiLibGetSystemConfigurationTable (&gEfiDxeServicesTableGuid, (VOID **) &gDS);
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ASSERT_EFI_ERROR (Status);
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#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
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Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&gStatusCode);
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if (EFI_ERROR (Status)) {
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gStatusCode = NULL;
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}
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#endif
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Status = gBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, (VOID **) &gCpuIo);
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if (EFI_ERROR (Status)) {
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gCpuIo = NULL;
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}
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//
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// Register our ExitBootServices () notify function
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//
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Status = gBS->CreateEvent (
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EFI_EVENT_SIGNAL_EXIT_BOOT_SERVICES,
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EFI_TPL_NOTIFY,
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RuntimeDriverExitBootServices,
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NULL,
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&mRuntimeNotifyEvent
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);
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ASSERT_EFI_ERROR (Status);
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//
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// Register SetVirtualAddressMap () notify function
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//
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Status = gBS->CreateEvent (
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EFI_EVENT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,
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EFI_TPL_NOTIFY,
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EfiRuntimeLibVirtualNotifyEvent,
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(VOID *) (UINTN) GoVirtualChildEvent,
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&mEfiVirtualNotifyEvent
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);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EfiShutdownRuntimeDriverLib (
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VOID
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)
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/*++
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||||
Routine Description:
|
||||
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||||
This routine will free some resources which have been allocated in
|
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EfiInitializeRuntimeDriverLib(). If a runtime driver exits with an error,
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it must call this routine to free the allocated resource before the exiting.
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||||
Arguments:
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||||
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None
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||||
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||||
Returns:
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||||
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||||
EFI_SUCCESS - Shotdown the Runtime Driver Lib successfully
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||||
EFI_UNSUPPORTED - Runtime Driver lib was not initialized at all
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||||
--*/
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{
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EFI_STATUS Status;
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if (!mRuntimeLibInitialized) {
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//
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// You must call EfiInitializeRuntimeDriverLib() first
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//
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return EFI_UNSUPPORTED;
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}
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mRuntimeLibInitialized = FALSE;
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//
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// Close our ExitBootServices () notify function
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//
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if (mRuntimeNotifyEvent != NULL) {
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Status = gBS->CloseEvent (mRuntimeNotifyEvent);
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||||
ASSERT_EFI_ERROR (Status);
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||||
}
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||||
//
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// Close SetVirtualAddressMap () notify function
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||||
//
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||||
if (mEfiVirtualNotifyEvent != NULL) {
|
||||
Status = gBS->CloseEvent (mEfiVirtualNotifyEvent);
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||||
ASSERT_EFI_ERROR (Status);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiInitializeSmmDriverLib (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Intialize runtime Driver Lib if it has not yet been initialized.
|
||||
|
||||
Arguments:
|
||||
|
||||
ImageHandle - The firmware allocated handle for the EFI image.
|
||||
|
||||
SystemTable - A pointer to the EFI System Table.
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS always returns EFI_SUCCESS except EFI_ALREADY_STARTED if already started.
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
if (mRuntimeLibInitialized) {
|
||||
return EFI_ALREADY_STARTED;
|
||||
}
|
||||
|
||||
mRuntimeLibInitialized = TRUE;
|
||||
|
||||
gST = SystemTable;
|
||||
ASSERT (gST != NULL);
|
||||
|
||||
gBS = SystemTable->BootServices;
|
||||
ASSERT (gBS != NULL);
|
||||
mRT = SystemTable->RuntimeServices;
|
||||
ASSERT (mRT != NULL);
|
||||
|
||||
#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
|
||||
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&gStatusCode);
|
||||
if (EFI_ERROR (Status)) {
|
||||
gStatusCode = NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
Status = gBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, (VOID **) &gCpuIo);
|
||||
if (EFI_ERROR (Status)) {
|
||||
gCpuIo = NULL;
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
BOOLEAN
|
||||
EfiAtRuntime (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Return TRUE if ExitBootServices () has been called
|
||||
|
||||
Arguments:
|
||||
NONE
|
||||
|
||||
Returns:
|
||||
TRUE - If ExitBootServices () has been called
|
||||
|
||||
--*/
|
||||
{
|
||||
return mEfiAtRuntime;
|
||||
}
|
||||
|
||||
BOOLEAN
|
||||
EfiGoneVirtual (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Return TRUE if SetVirtualAddressMap () has been called
|
||||
|
||||
Arguments:
|
||||
NONE
|
||||
|
||||
Returns:
|
||||
TRUE - If SetVirtualAddressMap () has been called
|
||||
|
||||
--*/
|
||||
{
|
||||
return mEfiGoneVirtual;
|
||||
}
|
||||
//
|
||||
// The following functions hide the mRT local global from the call to
|
||||
// runtime service in the EFI system table.
|
||||
//
|
||||
EFI_STATUS
|
||||
EfiGetTime (
|
||||
OUT EFI_TIME *Time,
|
||||
OUT EFI_TIME_CAPABILITIES *Capabilities
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Returns the current time and date information, and the time-keeping
|
||||
capabilities of the hardware platform.
|
||||
|
||||
Arguments:
|
||||
|
||||
Time - A pointer to storage to receive a snapshot of the current time.
|
||||
Capabilities - An optional pointer to a buffer to receive the real time clock device's
|
||||
capabilities.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->GetTime (Time, Capabilities);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiSetTime (
|
||||
IN EFI_TIME *Time
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Sets the current local time and date information.
|
||||
|
||||
Arguments:
|
||||
|
||||
Time - A pointer to the current time.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->SetTime (Time);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiGetWakeupTime (
|
||||
OUT BOOLEAN *Enabled,
|
||||
OUT BOOLEAN *Pending,
|
||||
OUT EFI_TIME *Time
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Returns the current wakeup alarm clock setting.
|
||||
|
||||
Arguments:
|
||||
|
||||
Enabled - Indicates if the alarm is currently enabled or disabled.
|
||||
Pending - Indicates if the alarm signal is pending and requires acknowledgement.
|
||||
Time - The current alarm setting.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->GetWakeupTime (Enabled, Pending, Time);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiSetWakeupTime (
|
||||
IN BOOLEAN Enable,
|
||||
IN EFI_TIME *Time
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Sets the system wakeup alarm clock time.
|
||||
|
||||
Arguments:
|
||||
|
||||
Enable - Enable or disable the wakeup alarm.
|
||||
Time - If Enable is TRUE, the time to set the wakeup alarm for.
|
||||
If Enable is FALSE, then this parameter is optional, and may be NULL.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->SetWakeupTime (Enable, Time);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiGetVariable (
|
||||
IN CHAR16 *VariableName,
|
||||
IN EFI_GUID * VendorGuid,
|
||||
OUT UINT32 *Attributes OPTIONAL,
|
||||
IN OUT UINTN *DataSize,
|
||||
OUT VOID *Data
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Returns the value of a variable.
|
||||
|
||||
Arguments:
|
||||
|
||||
VariableName - A Null-terminated Unicode string that is the name of the
|
||||
vendor's variable.
|
||||
VendorGuid - A unique identifier for the vendor.
|
||||
Attributes - If not NULL, a pointer to the memory location to return the
|
||||
attributes bitmask for the variable.
|
||||
DataSize - On input, the size in bytes of the return Data buffer.
|
||||
On output the size of data returned in Data.
|
||||
Data - The buffer to return the contents of the variable.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->GetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiGetNextVariableName (
|
||||
IN OUT UINTN *VariableNameSize,
|
||||
IN OUT CHAR16 *VariableName,
|
||||
IN OUT EFI_GUID *VendorGuid
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Enumerates the current variable names.
|
||||
|
||||
Arguments:
|
||||
|
||||
VariableNameSize - The size of the VariableName buffer.
|
||||
VariableName - On input, supplies the last VariableName that was returned
|
||||
by GetNextVariableName().
|
||||
On output, returns the Nullterminated Unicode string of the
|
||||
current variable.
|
||||
VendorGuid - On input, supplies the last VendorGuid that was returned by
|
||||
GetNextVariableName().
|
||||
On output, returns the VendorGuid of the current variable.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->GetNextVariableName (VariableNameSize, VariableName, VendorGuid);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiSetVariable (
|
||||
IN CHAR16 *VariableName,
|
||||
IN EFI_GUID *VendorGuid,
|
||||
IN UINT32 Attributes,
|
||||
IN UINTN DataSize,
|
||||
IN VOID *Data
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Sets the value of a variable.
|
||||
|
||||
Arguments:
|
||||
|
||||
VariableName - A Null-terminated Unicode string that is the name of the
|
||||
vendor's variable.
|
||||
VendorGuid - A unique identifier for the vendor.
|
||||
Attributes - Attributes bitmask to set for the variable.
|
||||
DataSize - The size in bytes of the Data buffer.
|
||||
Data - The contents for the variable.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->SetVariable (VariableName, VendorGuid, Attributes, DataSize, Data);
|
||||
}
|
||||
|
||||
#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
|
||||
|
||||
EFI_STATUS
|
||||
EfiQueryVariableInfo (
|
||||
IN UINT32 Attributes,
|
||||
OUT UINT64 *MaximumVariableStorageSize,
|
||||
OUT UINT64 *RemainingVariableStorageSize,
|
||||
OUT UINT64 *MaximumVariableSize
|
||||
)
|
||||
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
This code returns information about the EFI variables.
|
||||
|
||||
Arguments:
|
||||
|
||||
Attributes Attributes bitmask to specify the type of variables
|
||||
on which to return information.
|
||||
MaximumVariableStorageSize Pointer to the maximum size of the storage space available
|
||||
for the EFI variables associated with the attributes specified.
|
||||
RemainingVariableStorageSize Pointer to the remaining size of the storage space available
|
||||
for the EFI variables associated with the attributes specified.
|
||||
MaximumVariableSize Pointer to the maximum size of the individual EFI variables
|
||||
associated with the attributes specified.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->QueryVariableInfo (Attributes, MaximumVariableStorageSize, RemainingVariableStorageSize, MaximumVariableSize);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
EFI_STATUS
|
||||
EfiGetNextHighMonotonicCount (
|
||||
OUT UINT32 *HighCount
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Returns the next high 32 bits of the platform's monotonic counter.
|
||||
|
||||
Arguments:
|
||||
|
||||
HighCount - Pointer to returned value.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
return mRT->GetNextHighMonotonicCount (HighCount);
|
||||
}
|
||||
|
||||
VOID
|
||||
EfiResetSystem (
|
||||
IN EFI_RESET_TYPE ResetType,
|
||||
IN EFI_STATUS ResetStatus,
|
||||
IN UINTN DataSize,
|
||||
IN CHAR16 *ResetData
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Resets the entire platform.
|
||||
|
||||
Arguments:
|
||||
|
||||
ResetType - The type of reset to perform.
|
||||
ResetStatus - The status code for the reset.
|
||||
DataSize - The size, in bytes, of ResetData.
|
||||
ResetData - A data buffer that includes a Null-terminated Unicode string, optionally
|
||||
followed by additional binary data.
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
{
|
||||
mRT->ResetSystem (ResetType, ResetStatus, DataSize, ResetData);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EfiReportStatusCode (
|
||||
IN EFI_STATUS_CODE_TYPE CodeType,
|
||||
IN EFI_STATUS_CODE_VALUE Value,
|
||||
IN UINT32 Instance,
|
||||
IN EFI_GUID * CallerId,
|
||||
IN EFI_STATUS_CODE_DATA * Data OPTIONAL
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Status Code reporter
|
||||
|
||||
Arguments:
|
||||
|
||||
CodeType - Type of Status Code.
|
||||
|
||||
Value - Value to output for Status Code.
|
||||
|
||||
Instance - Instance Number of this status code.
|
||||
|
||||
CallerId - ID of the caller of this status code.
|
||||
|
||||
Data - Optional data associated with this status code.
|
||||
|
||||
Returns:
|
||||
|
||||
Status code
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
|
||||
#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
|
||||
if (gStatusCode == NULL) {
|
||||
if (EfiAtRuntime ()) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
Status = gBS->LocateProtocol (&gEfiStatusCodeRuntimeProtocolGuid, NULL, (VOID **)&gStatusCode);
|
||||
if (EFI_ERROR (Status) || gStatusCode == NULL) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
}
|
||||
Status = gStatusCode->ReportStatusCode (CodeType, Value, Instance, CallerId, Data);
|
||||
#else
|
||||
if (mRT == NULL) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
//
|
||||
// Check whether EFI_RUNTIME_SERVICES has Tiano Extension
|
||||
//
|
||||
Status = EFI_UNSUPPORTED;
|
||||
if (mRT->Hdr.Revision == EFI_SPECIFICATION_VERSION &&
|
||||
mRT->Hdr.HeaderSize == sizeof (EFI_RUNTIME_SERVICES) &&
|
||||
mRT->ReportStatusCode != NULL) {
|
||||
Status = mRT->ReportStatusCode (CodeType, Value, Instance, CallerId, Data);
|
||||
}
|
||||
#endif
|
||||
return Status;
|
||||
}
|
||||
Reference in New Issue
Block a user