mirror of https://github.com/acidanthera/audk.git
186 lines
4.1 KiB
C
186 lines
4.1 KiB
C
/*++
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Copyright (c) 2006, 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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InitVariable.c
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Abstract:
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Revision History
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--*/
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#include "Variable.h"
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//
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// Don't use module globals after the SetVirtualAddress map is signaled
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//
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extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
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EFI_STATUS
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EFIAPI
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RuntimeServiceGetVariable (
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IN CHAR16 *VariableName,
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IN EFI_GUID * VendorGuid,
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OUT UINT32 *Attributes OPTIONAL,
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IN OUT UINTN *DataSize,
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OUT VOID *Data
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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return GetVariable (
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VariableName,
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VendorGuid,
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Attributes OPTIONAL,
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DataSize,
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Data,
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&mVariableModuleGlobal->VariableBase[Physical],
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mVariableModuleGlobal->FvbInstance
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);
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}
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EFI_STATUS
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EFIAPI
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RuntimeServiceGetNextVariableName (
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IN OUT UINTN *VariableNameSize,
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IN OUT CHAR16 *VariableName,
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IN OUT EFI_GUID *VendorGuid
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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return GetNextVariableName (
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VariableNameSize,
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VariableName,
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VendorGuid,
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&mVariableModuleGlobal->VariableBase[Physical],
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mVariableModuleGlobal->FvbInstance
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);
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}
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EFI_STATUS
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EFIAPI
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RuntimeServiceSetVariable (
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IN CHAR16 *VariableName,
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IN EFI_GUID *VendorGuid,
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IN UINT32 Attributes,
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IN UINTN DataSize,
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IN VOID *Data
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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return SetVariable (
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VariableName,
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VendorGuid,
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Attributes,
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DataSize,
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Data,
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&mVariableModuleGlobal->VariableBase[Physical],
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&mVariableModuleGlobal->VolatileLastVariableOffset,
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&mVariableModuleGlobal->NonVolatileLastVariableOffset,
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mVariableModuleGlobal->FvbInstance
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);
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}
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VOID
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EFIAPI
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VariableClassAddressChangeEvent (
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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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Arguments:
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Returns:
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--*/
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{
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EfiConvertPointer (
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0x0,
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(VOID **) &mVariableModuleGlobal->VariableBase[Physical].NonVolatileVariableBase
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);
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EfiConvertPointer (
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0x0,
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(VOID **) &mVariableModuleGlobal->VariableBase[Physical].VolatileVariableBase
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);
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EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
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}
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EFI_STATUS
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EFIAPI
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VariableServiceInitialize (
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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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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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EFI_HANDLE NewHandle;
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EFI_STATUS Status;
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Status = VariableCommonInitialize (ImageHandle, SystemTable);
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ASSERT_EFI_ERROR (Status);
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SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;
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SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;
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SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;
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//
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// Now install the Variable Runtime Architectural Protocol on a new handle
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//
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NewHandle = NULL;
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Status = gBS->InstallMultipleProtocolInterfaces (
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&NewHandle,
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&gEfiVariableArchProtocolGuid,
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NULL,
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&gEfiVariableWriteArchProtocolGuid,
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NULL,
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NULL
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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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