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/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
IpfVariable.c
Abstract:
Revision History
--*/
#include "Variable.h"
//
// Don't use module globals after the SetVirtualAddress map is signaled
//
extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;
SAL_RETURN_REGS
EsalVariableCommonEntry (
IN UINT64 FunctionId,
IN UINT64 Arg2,
IN UINT64 Arg3,
IN UINT64 Arg4,
IN UINT64 Arg5,
IN UINT64 Arg6,
IN UINT64 Arg7,
IN UINT64 Arg8,
IN SAL_EXTENDED_SAL_PROC ExtendedSalProc,
IN BOOLEAN VirtualMode,
IN ESAL_VARIABLE_GLOBAL *Global
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
SAL_RETURN_REGS ReturnVal;
switch (FunctionId) {
case EsalGetVariable:
ReturnVal.Status = GetVariable (
(CHAR16 *) Arg2,
(EFI_GUID *) Arg3,
(UINT32 *) Arg4,
(UINTN *) Arg5,
(VOID *) Arg6,
&Global->VariableBase[VirtualMode],
Global->FvbInstance
);
return ReturnVal;
case EsalGetNextVariableName:
ReturnVal.Status = GetNextVariableName (
(UINTN *) Arg2,
(CHAR16 *) Arg3,
(EFI_GUID *) Arg4,
&Global->VariableBase[VirtualMode],
Global->FvbInstance
);
return ReturnVal;
case EsalSetVariable:
ReturnVal.Status = SetVariable (
(CHAR16 *) Arg2,
(EFI_GUID *) Arg3,
(UINT32) Arg4,
(UINTN) Arg5,
(VOID *) Arg6,
&Global->VariableBase[VirtualMode],
(UINTN *) &Global->VolatileLastVariableOffset,
(UINTN *) &Global->NonVolatileLastVariableOffset,
Global->FvbInstance
);
return ReturnVal;
default:
ReturnVal.Status = EFI_SAL_INVALID_ARGUMENT;
return ReturnVal;
}
}
VOID
VariableClassAddressChangeEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
CopyMem (
&mVariableModuleGlobal->VariableBase[Virtual],
&mVariableModuleGlobal->VariableBase[Physical],
sizeof (VARIABLE_GLOBAL)
);
EfiConvertPointer (
0x0,
(VOID **) &mVariableModuleGlobal->VariableBase[Virtual].NonVolatileVariableBase
);
EfiConvertPointer (
0x0,
(VOID **) &mVariableModuleGlobal->VariableBase[Virtual].VolatileVariableBase
);
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);
}
EFI_STATUS
VariableServiceInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
EFI_STATUS Status;
Status = VariableCommonInitialize (ImageHandle, SystemTable);
ASSERT_EFI_ERROR (Status);
//
// Register All the Functions with Extended Sal.
//
RegisterEsalClass (
&gEfiExtendedSalVariableServicesProtocolGuid,
mVariableModuleGlobal,
EsalVariableCommonEntry,
EsalGetVariable,
EsalVariableCommonEntry,
EsalGetNextVariableName,
EsalVariableCommonEntry,
EsalSetVariable,
NULL
);
return EFI_SUCCESS;
}
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