xref: /freebsd/sys/contrib/dev/acpica/components/parser/psopinfo.c (revision f0cfa1b168014f56c02b83e5f28412cc5f78d117)
1 /******************************************************************************
2  *
3  * Module Name: psopinfo - AML opcode information functions and dispatch tables
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2017, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
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
19  * property rights.
20  *
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
27  *
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;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
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.
53  *
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
64  * make.
65  *
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
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
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.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
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
88  * PARTICULAR PURPOSE.
89  *
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
97  * LIMITED REMEDY.
98  *
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.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
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.
133  *
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.
145  *
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.
149  *
150  *****************************************************************************/
151 
152 #include <contrib/dev/acpica/include/acpi.h>
153 #include <contrib/dev/acpica/include/accommon.h>
154 #include <contrib/dev/acpica/include/acparser.h>
155 #include <contrib/dev/acpica/include/acopcode.h>
156 #include <contrib/dev/acpica/include/amlcode.h>
157 
158 
159 #define _COMPONENT          ACPI_PARSER
160         ACPI_MODULE_NAME    ("psopinfo")
161 
162 
163 static const UINT8      AcpiGbl_ArgumentCount[] = {0,1,1,1,1,2,2,2,2,3,3,6};
164 
165 
166 /*******************************************************************************
167  *
168  * FUNCTION:    AcpiPsGetOpcodeInfo
169  *
170  * PARAMETERS:  Opcode              - The AML opcode
171  *
172  * RETURN:      A pointer to the info about the opcode.
173  *
174  * DESCRIPTION: Find AML opcode description based on the opcode.
175  *              NOTE: This procedure must ALWAYS return a valid pointer!
176  *
177  ******************************************************************************/
178 
179 const ACPI_OPCODE_INFO *
180 AcpiPsGetOpcodeInfo (
181     UINT16                  Opcode)
182 {
183 #ifdef ACPI_DEBUG_OUTPUT
184     const char              *OpcodeName = "Unknown AML opcode";
185 #endif
186 
187     ACPI_FUNCTION_NAME (PsGetOpcodeInfo);
188 
189 
190     /*
191      * Detect normal 8-bit opcode or extended 16-bit opcode
192      */
193     if (!(Opcode & 0xFF00))
194     {
195         /* Simple (8-bit) opcode: 0-255, can't index beyond table  */
196 
197         return (&AcpiGbl_AmlOpInfo [AcpiGbl_ShortOpIndex [(UINT8) Opcode]]);
198     }
199 
200     if (((Opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
201         (((UINT8) Opcode) <= MAX_EXTENDED_OPCODE))
202     {
203         /* Valid extended (16-bit) opcode */
204 
205         return (&AcpiGbl_AmlOpInfo [AcpiGbl_LongOpIndex [(UINT8) Opcode]]);
206     }
207 
208 #if defined ACPI_ASL_COMPILER && defined ACPI_DEBUG_OUTPUT
209 #include <contrib/dev/acpica/compiler/asldefine.h>
210 
211     switch (Opcode)
212     {
213     case AML_RAW_DATA_BYTE:
214         OpcodeName = "-Raw Data Byte-";
215         break;
216 
217     case AML_RAW_DATA_WORD:
218         OpcodeName = "-Raw Data Word-";
219         break;
220 
221     case AML_RAW_DATA_DWORD:
222         OpcodeName = "-Raw Data Dword-";
223         break;
224 
225     case AML_RAW_DATA_QWORD:
226         OpcodeName = "-Raw Data Qword-";
227         break;
228 
229     case AML_RAW_DATA_BUFFER:
230         OpcodeName = "-Raw Data Buffer-";
231         break;
232 
233     case AML_RAW_DATA_CHAIN:
234         OpcodeName = "-Raw Data Buffer Chain-";
235         break;
236 
237     case AML_PACKAGE_LENGTH:
238         OpcodeName = "-Package Length-";
239         break;
240 
241     case AML_UNASSIGNED_OPCODE:
242         OpcodeName = "-Unassigned Opcode-";
243         break;
244 
245     case AML_DEFAULT_ARG_OP:
246         OpcodeName = "-Default Arg-";
247         break;
248 
249     default:
250         break;
251     }
252 #endif
253 
254     /* Unknown AML opcode */
255 
256     ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
257         "%s [%4.4X]\n", OpcodeName, Opcode));
258 
259     return (&AcpiGbl_AmlOpInfo [_UNK]);
260 }
261 
262 
263 /*******************************************************************************
264  *
265  * FUNCTION:    AcpiPsGetOpcodeName
266  *
267  * PARAMETERS:  Opcode              - The AML opcode
268  *
269  * RETURN:      A pointer to the name of the opcode (ASCII String)
270  *              Note: Never returns NULL.
271  *
272  * DESCRIPTION: Translate an opcode into a human-readable string
273  *
274  ******************************************************************************/
275 
276 const char *
277 AcpiPsGetOpcodeName (
278     UINT16                  Opcode)
279 {
280 #if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
281 
282     const ACPI_OPCODE_INFO  *Op;
283 
284 
285     Op = AcpiPsGetOpcodeInfo (Opcode);
286 
287     /* Always guaranteed to return a valid pointer */
288 
289     return (Op->Name);
290 
291 #else
292     return ("OpcodeName unavailable");
293 
294 #endif
295 }
296 
297 
298 /*******************************************************************************
299  *
300  * FUNCTION:    AcpiPsGetArgumentCount
301  *
302  * PARAMETERS:  OpType              - Type associated with the AML opcode
303  *
304  * RETURN:      Argument count
305  *
306  * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
307  *
308  ******************************************************************************/
309 
310 UINT8
311 AcpiPsGetArgumentCount (
312     UINT32                  OpType)
313 {
314 
315     if (OpType <= AML_TYPE_EXEC_6A_0T_1R)
316     {
317         return (AcpiGbl_ArgumentCount[OpType]);
318     }
319 
320     return (0);
321 }
322 
323 
324 /*
325  * This table is directly indexed by the opcodes It returns
326  * an index into the opcode table (AcpiGbl_AmlOpInfo)
327  */
328 const UINT8 AcpiGbl_ShortOpIndex[256] =
329 {
330 /*              0     1     2     3     4     5     6     7  */
331 /*              8     9     A     B     C     D     E     F  */
332 /* 0x00 */    0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
333 /* 0x08 */    0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
334 /* 0x10 */    0x08, 0x09, 0x0a, 0x6F, 0x0b, 0x81, _UNK, _UNK,
335 /* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
336 /* 0x20 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
337 /* 0x28 */    _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
338 /* 0x30 */    0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
339 /* 0x38 */    0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
340 /* 0x40 */    _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
341 /* 0x48 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
342 /* 0x50 */    _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
343 /* 0x58 */    _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
344 /* 0x60 */    0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
345 /* 0x68 */    0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
346 /* 0x70 */    0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
347 /* 0x78 */    0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
348 /* 0x80 */    0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
349 /* 0x88 */    0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
350 /* 0x90 */    0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
351 /* 0x98 */    0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
352 /* 0xA0 */    0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
353 /* 0xA8 */    0x62, 0x82, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
354 /* 0xB0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
355 /* 0xB8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
356 /* 0xC0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
357 /* 0xC8 */    _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
358 /* 0xD0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
359 /* 0xD8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
360 /* 0xE0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
361 /* 0xE8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
362 /* 0xF0 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
363 /* 0xF8 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
364 };
365 
366 /*
367  * This table is indexed by the second opcode of the extended opcode
368  * pair. It returns an index into the opcode table (AcpiGbl_AmlOpInfo)
369  */
370 const UINT8 AcpiGbl_LongOpIndex[NUM_EXTENDED_OPCODE] =
371 {
372 /*              0     1     2     3     4     5     6     7  */
373 /*              8     9     A     B     C     D     E     F  */
374 /* 0x00 */    _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
375 /* 0x08 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
376 /* 0x10 */    _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
377 /* 0x18 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
378 /* 0x20 */    0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
379 /* 0x28 */    0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
380 /* 0x30 */    0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
381 /* 0x38 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
382 /* 0x40 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
383 /* 0x48 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
384 /* 0x50 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
385 /* 0x58 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
386 /* 0x60 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
387 /* 0x68 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
388 /* 0x70 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
389 /* 0x78 */    _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
390 /* 0x80 */    0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
391 /* 0x88 */    0x7C,
392 };
393