1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*++
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;
#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
case EsalQueryVariableInfo:
ReturnVal.Status = QueryVariableInfo (
(UINT32) Arg2,
(UINT64 *) Arg3,
(UINT64 *) Arg4,
(UINT64 *) Arg5,
&Global->VariableBase[VirtualMode],
Global->FvbInstance
);
return ReturnVal;
#endif
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,
#if (EFI_SPECIFICATION_VERSION >= 0x00020000)
EsalVariableCommonEntry,
EsalQueryVariableInfo,
#endif
NULL
);
return EFI_SUCCESS;
}
|
