mirror of https://github.com/acidanthera/audk.git
168 lines
4.5 KiB
C
168 lines
4.5 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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IpfVariable.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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SAL_RETURN_REGS
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EsalVariableCommonEntry (
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IN UINT64 FunctionId,
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IN UINT64 Arg2,
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IN UINT64 Arg3,
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IN UINT64 Arg4,
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IN UINT64 Arg5,
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IN UINT64 Arg6,
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IN UINT64 Arg7,
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IN UINT64 Arg8,
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IN SAL_EXTENDED_SAL_PROC ExtendedSalProc,
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IN BOOLEAN VirtualMode,
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IN ESAL_VARIABLE_GLOBAL *Global
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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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SAL_RETURN_REGS ReturnVal;
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switch (FunctionId) {
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case EsalGetVariable:
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ReturnVal.Status = GetVariable (
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(CHAR16 *) Arg2,
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(EFI_GUID *) Arg3,
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(UINT32 *) Arg4,
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(UINTN *) Arg5,
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(VOID *) Arg6,
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&Global->VariableBase[VirtualMode],
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Global->FvbInstance
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);
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return ReturnVal;
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case EsalGetNextVariableName:
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ReturnVal.Status = GetNextVariableName (
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(UINTN *) Arg2,
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(CHAR16 *) Arg3,
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(EFI_GUID *) Arg4,
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&Global->VariableBase[VirtualMode],
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Global->FvbInstance
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);
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return ReturnVal;
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case EsalSetVariable:
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ReturnVal.Status = SetVariable (
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(CHAR16 *) Arg2,
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(EFI_GUID *) Arg3,
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(UINT32) Arg4,
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(UINTN) Arg5,
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(VOID *) Arg6,
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&Global->VariableBase[VirtualMode],
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(UINTN *) &Global->VolatileLastVariableOffset,
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(UINTN *) &Global->NonVolatileLastVariableOffset,
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Global->FvbInstance
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);
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return ReturnVal;
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default:
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ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;
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return ReturnVal;
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}
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}
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VOID
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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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CopyMem (
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&mVariableModuleGlobal->VariableBase[Virtual],
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&mVariableModuleGlobal->VariableBase[Physical],
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sizeof (VARIABLE_GLOBAL)
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);
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EfiConvertPointer (
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0x0,
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(VOID **) &mVariableModuleGlobal->VariableBase[Virtual].NonVolatileVariableBase
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);
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EfiConvertPointer (
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0x0,
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(VOID **) &mVariableModuleGlobal->VariableBase[Virtual].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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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_STATUS Status;
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Status = VariableCommonInitialize (ImageHandle, SystemTable);
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ASSERT_EFI_ERROR (Status);
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//
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// Register All the Functions with Extended Sal.
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//
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RegisterEsalClass (
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&gEfiExtendedSalVariableServicesProtocolGuid,
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mVariableModuleGlobal,
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EsalVariableCommonEntry,
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EsalGetVariable,
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EsalVariableCommonEntry,
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EsalGetNextVariableName,
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EsalVariableCommonEntry,
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EsalSetVariable,
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NULL
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);
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return EFI_SUCCESS;
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}
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