1 /******************************************************************************
3 * Module Name: aeinitfile - Support for optional initialization file
5 *****************************************************************************/
7 /******************************************************************************
11 * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
12 * All rights reserved.
16 * 2.1. This is your license from Intel Corp. under its intellectual property
17 * rights. You may have additional license terms from the party that provided
18 * you this software, covering your right to use that party's intellectual
21 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22 * copy of the source code appearing in this file ("Covered Code") an
23 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24 * base code distributed originally by Intel ("Original Intel Code") to copy,
25 * make derivatives, distribute, use and display any portion of the Covered
26 * Code in any form, with the right to sublicense such rights; and
28 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29 * license (with the right to sublicense), under only those claims of Intel
30 * patents that are infringed by the Original Intel Code, to make, use, sell,
31 * offer to sell, and import the Covered Code and derivative works thereof
32 * solely to the minimum extent necessary to exercise the above copyright
33 * license, and in no event shall the patent license extend to any additions
34 * to or modifications of the Original Intel Code. No other license or right
35 * is granted directly or by implication, estoppel or otherwise;
37 * The above copyright and patent license is granted only if the following
42 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43 * Redistribution of source code of any substantial portion of the Covered
44 * Code or modification with rights to further distribute source must include
45 * the above Copyright Notice, the above License, this list of Conditions,
46 * and the following Disclaimer and Export Compliance provision. In addition,
47 * Licensee must cause all Covered Code to which Licensee contributes to
48 * contain a file documenting the changes Licensee made to create that Covered
49 * Code and the date of any change. Licensee must include in that file the
50 * documentation of any changes made by any predecessor Licensee. Licensee
51 * must include a prominent statement that the modification is derived,
52 * directly or indirectly, from Original Intel Code.
54 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55 * Redistribution of source code of any substantial portion of the Covered
56 * Code or modification without rights to further distribute source must
57 * include the following Disclaimer and Export Compliance provision in the
58 * documentation and/or other materials provided with distribution. In
59 * addition, Licensee may not authorize further sublicense of source of any
60 * portion of the Covered Code, and must include terms to the effect that the
61 * license from Licensee to its licensee is limited to the intellectual
62 * property embodied in the software Licensee provides to its licensee, and
63 * not to intellectual property embodied in modifications its licensee may
66 * 3.3. Redistribution of Executable. Redistribution in executable form of any
67 * substantial portion of the Covered Code or modification must reproduce the
68 * above Copyright Notice, and the following Disclaimer and Export Compliance
69 * provision in the documentation and/or other materials provided with the
72 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76 * Intel shall be used in advertising or otherwise to promote the sale, use or
77 * other dealings in products derived from or relating to the Covered Code
78 * without prior written authorization from Intel.
80 * 4. Disclaimer and Export Compliance
82 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * 4.3. Licensee shall not export, either directly or indirectly, any of this
100 * software or system incorporating such software without first obtaining any
101 * required license or other approval from the U. S. Department of Commerce or
102 * any other agency or department of the United States Government. In the
103 * event Licensee exports any such software from the United States or
104 * re-exports any such software from a foreign destination, Licensee shall
105 * ensure that the distribution and export/re-export of the software is in
106 * compliance with all laws, regulations, orders, or other restrictions of the
107 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108 * any of its subsidiaries will export/re-export any technical data, process,
109 * software, or service, directly or indirectly, to any country for which the
110 * United States government or any agency thereof requires an export license,
111 * other governmental approval, or letter of assurance, without first obtaining
112 * such license, approval or letter.
114 *****************************************************************************
116 * Alternatively, you may choose to be licensed under the terms of the
119 * Redistribution and use in source and binary forms, with or without
120 * modification, are permitted provided that the following conditions
122 * 1. Redistributions of source code must retain the above copyright
123 * notice, this list of conditions, and the following disclaimer,
124 * without modification.
125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126 * substantially similar to the "NO WARRANTY" disclaimer below
127 * ("Disclaimer") and any redistribution must be conditioned upon
128 * including a substantially similar Disclaimer requirement for further
129 * binary redistribution.
130 * 3. Neither the names of the above-listed copyright holders nor the names
131 * of any contributors may be used to endorse or promote products derived
132 * from this software without specific prior written permission.
134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146 * Alternatively, you may choose to be licensed under the terms of the
147 * GNU General Public License ("GPL") version 2 as published by the Free
148 * Software Foundation.
150 *****************************************************************************/
152 #include "aecommon.h"
153 #include "acdispat.h"
155 #define _COMPONENT ACPI_TOOLS
156 ACPI_MODULE_NAME ("aeinitfile")
159 /* Local prototypes */
162 AeEnterInitFileEntry (
163 INIT_FILE_ENTRY InitEntry
,
164 ACPI_WALK_STATE
*WalkState
);
167 #define AE_FILE_BUFFER_SIZE 512
169 static char LineBuffer
[AE_FILE_BUFFER_SIZE
];
170 static char NameBuffer
[AE_FILE_BUFFER_SIZE
];
171 static char ValueBuffer
[AE_FILE_BUFFER_SIZE
];
172 static FILE *InitFile
;
175 /******************************************************************************
177 * FUNCTION: AeOpenInitializationFile
179 * PARAMETERS: Filename - Path to the init file
183 * DESCRIPTION: Open the initialization file for the -fi option
185 *****************************************************************************/
188 AeOpenInitializationFile (
192 InitFile
= fopen (Filename
, "r");
196 "Could not open initialization file: %s\n", Filename
);
200 AcpiOsPrintf ("Opened initialization file [%s]\n", Filename
);
205 /******************************************************************************
207 * FUNCTION: AeProcessInitFile
213 * DESCRIPTION: Read the initialization file and perform all namespace
214 * initializations. AcpiGbl_InitEntries will be used for region
215 * field initialization.
217 * NOTE: The format of the file is multiple lines, each of format:
218 * <ACPI-pathname> <Integer Value>
220 *****************************************************************************/
226 ACPI_WALK_STATE
*WalkState
;
237 /* Create needed objects to be reused for each init entry */
239 WalkState
= AcpiDsCreateWalkState (0, NULL
, NULL
, NULL
);
240 NameBuffer
[0] = '\\';
242 while (fgets (LineBuffer
, AE_FILE_BUFFER_SIZE
, InitFile
) != NULL
)
244 ++AcpiGbl_InitFileLineCount
;
248 AcpiGbl_InitEntries
=
249 AcpiOsAllocate (sizeof (INIT_FILE_ENTRY
) * AcpiGbl_InitFileLineCount
);
250 for (idx
= 0; fgets (LineBuffer
, AE_FILE_BUFFER_SIZE
, InitFile
); ++idx
)
252 if (sscanf (LineBuffer
, "%s %s\n",
253 &NameBuffer
[1], ValueBuffer
) != 2)
258 /* Add a root prefix if not present in the string */
261 if (NameBuffer
[1] == '\\')
266 AcpiGbl_InitEntries
[idx
].Name
=
267 AcpiOsAllocateZeroed (strnlen (NameBuffer
+ i
, AE_FILE_BUFFER_SIZE
) + 1);
269 strcpy (AcpiGbl_InitEntries
[idx
].Name
, NameBuffer
+ i
);
271 Status
= AcpiUtStrtoul64 (ValueBuffer
, &AcpiGbl_InitEntries
[idx
].Value
);
272 if (ACPI_FAILURE (Status
))
274 AcpiOsPrintf ("%s %s\n", ValueBuffer
,
275 AcpiFormatException (Status
));
279 AeEnterInitFileEntry (AcpiGbl_InitEntries
[idx
], WalkState
);
286 AcpiDsDeleteWalkState (WalkState
);
290 /******************************************************************************
292 * FUNCTION: AeInitFileEntry
294 * PARAMETERS: InitEntry - Entry of the init file
295 * WalkState - Used for the Store operation
299 * DESCRIPTION: Perform initialization of a single namespace object
301 * Note: namespace of objects are limited to integers and region
302 * fields units of 8 bytes at this time.
304 *****************************************************************************/
307 AeEnterInitFileEntry (
308 INIT_FILE_ENTRY InitEntry
,
309 ACPI_WALK_STATE
*WalkState
)
311 char *Pathname
= InitEntry
.Name
;
312 UINT64 Value
= InitEntry
.Value
;
313 ACPI_OPERAND_OBJECT
*ObjDesc
;
314 ACPI_NAMESPACE_NODE
*NewNode
;
318 AcpiOsPrintf ("Initializing namespace element: %s\n", Pathname
);
319 Status
= AcpiNsLookup (NULL
, Pathname
, ACPI_TYPE_INTEGER
,
320 ACPI_IMODE_LOAD_PASS2
, ACPI_NS_ERROR_IF_FOUND
| ACPI_NS_NO_UPSEARCH
|
321 ACPI_NS_EARLY_INIT
, NULL
, &NewNode
);
322 if (ACPI_FAILURE (Status
))
324 ACPI_EXCEPTION ((AE_INFO
, Status
,
325 "While creating name from namespace initialization file: %s",
330 ObjDesc
= AcpiUtCreateIntegerObject (Value
);
332 AcpiOsPrintf ("New value: 0x%8.8X%8.8X\n",
333 ACPI_FORMAT_UINT64 (Value
));
335 /* Store pointer to value descriptor in the Node */
337 Status
= AcpiNsAttachObject (NewNode
, ObjDesc
,
340 /* Remove local reference to the object */
342 AcpiUtRemoveReference (ObjDesc
);
346 /******************************************************************************
348 * FUNCTION: AeLookupInitFileEntry
350 * PARAMETERS: Pathname - AML namepath in external format
351 * ValueString - value of the namepath if it exitst
355 * DESCRIPTION: Search the init file for a particular name and its value.
357 *****************************************************************************/
360 AeLookupInitFileEntry (
366 if (!AcpiGbl_InitEntries
)
371 for (i
= 0; i
< AcpiGbl_InitFileLineCount
; ++i
)
373 if (!strcmp(AcpiGbl_InitEntries
[i
].Name
, Pathname
))
375 *Value
= AcpiGbl_InitEntries
[i
].Value
;