1 /*******************************************************************************
2 *
3 * Module Name: dmutils - AML disassembler utilities
4 *
5 ******************************************************************************/
6
7 /******************************************************************************
8 *
9 * 1. Copyright Notice
10 *
11 * Some or all of this work - Copyright (c) 1999 - 2018, 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 "acpi.h"
153 #include "accommon.h"
154 #include "amlcode.h"
155 #include "acdisasm.h"
156 #include "acconvert.h"
157
158 #ifdef ACPI_ASL_COMPILER
159 #include <acnamesp.h>
160 #endif
161
162
163 #define _COMPONENT ACPI_CA_DEBUGGER
164 ACPI_MODULE_NAME ("dmutils")
165
166
167 /* Data used in keeping track of fields */
168 #if 0
169 const char *AcpiGbl_FENames[] =
170 {
171 "skip",
172 "?access?"
173 }; /* FE = Field Element */
174 #endif
175
176 /* Operators for Match() */
177
178 const char *AcpiGbl_MatchOps[] =
179 {
180 "MTR",
181 "MEQ",
182 "MLE",
183 "MLT",
184 "MGE",
185 "MGT"
186 };
187
188 /* Access type decoding */
189
190 const char *AcpiGbl_AccessTypes[] =
191 {
192 "AnyAcc",
193 "ByteAcc",
194 "WordAcc",
195 "DWordAcc",
196 "QWordAcc",
197 "BufferAcc",
198 "InvalidAccType",
199 "InvalidAccType"
200 };
201
202 /* Lock rule decoding */
203
204 const char *AcpiGbl_LockRule[] =
205 {
206 "NoLock",
207 "Lock"
208 };
209
210 /* Update rule decoding */
211
212 const char *AcpiGbl_UpdateRules[] =
213 {
214 "Preserve",
215 "WriteAsOnes",
216 "WriteAsZeros",
217 "InvalidUpdateRule"
218 };
219
220 /* Strings used to decode resource descriptors */
221
222 const char *AcpiGbl_WordDecode[] =
223 {
224 "Memory",
225 "IO",
226 "BusNumber",
227 "UnknownResourceType"
228 };
229
230 const char *AcpiGbl_IrqDecode[] =
231 {
232 "IRQNoFlags",
233 "IRQ"
234 };
235
236
237 /*******************************************************************************
238 *
239 * FUNCTION: AcpiDmDecodeAttribute
240 *
241 * PARAMETERS: Attribute - Attribute field of AccessAs keyword
242 *
243 * RETURN: None
244 *
245 * DESCRIPTION: Decode the AccessAs attribute byte. (Mostly SMBus and
246 * GenericSerialBus stuff.)
247 *
248 ******************************************************************************/
249
250 void
AcpiDmDecodeAttribute(UINT8 Attribute)251 AcpiDmDecodeAttribute (
252 UINT8 Attribute)
253 {
254
255 switch (Attribute)
256 {
257 case AML_FIELD_ATTRIB_QUICK:
258
259 AcpiOsPrintf ("AttribQuick");
260 break;
261
262 case AML_FIELD_ATTRIB_SEND_RCV:
263
264 AcpiOsPrintf ("AttribSendReceive");
265 break;
266
267 case AML_FIELD_ATTRIB_BYTE:
268
269 AcpiOsPrintf ("AttribByte");
270 break;
271
272 case AML_FIELD_ATTRIB_WORD:
273
274 AcpiOsPrintf ("AttribWord");
275 break;
276
277 case AML_FIELD_ATTRIB_BLOCK:
278
279 AcpiOsPrintf ("AttribBlock");
280 break;
281
282 case AML_FIELD_ATTRIB_MULTIBYTE:
283
284 AcpiOsPrintf ("AttribBytes");
285 break;
286
287 case AML_FIELD_ATTRIB_WORD_CALL:
288
289 AcpiOsPrintf ("AttribProcessCall");
290 break;
291
292 case AML_FIELD_ATTRIB_BLOCK_CALL:
293
294 AcpiOsPrintf ("AttribBlockProcessCall");
295 break;
296
297 case AML_FIELD_ATTRIB_RAW_BYTES:
298
299 AcpiOsPrintf ("AttribRawBytes");
300 break;
301
302 case AML_FIELD_ATTRIB_RAW_PROCESS:
303
304 AcpiOsPrintf ("AttribRawProcessBytes");
305 break;
306
307 default:
308
309 /* A ByteConst is allowed by the grammar */
310
311 AcpiOsPrintf ("0x%2.2X", Attribute);
312 break;
313 }
314 }
315
316
317 /*******************************************************************************
318 *
319 * FUNCTION: AcpiDmIndent
320 *
321 * PARAMETERS: Level - Current source code indentation level
322 *
323 * RETURN: None
324 *
325 * DESCRIPTION: Indent 4 spaces per indentation level.
326 *
327 ******************************************************************************/
328
329 void
AcpiDmIndent(UINT32 Level)330 AcpiDmIndent (
331 UINT32 Level)
332 {
333
334 if (!Level)
335 {
336 return;
337 }
338
339 AcpiOsPrintf ("%*.s", (Level * 4), " ");
340 }
341
342
343 /*******************************************************************************
344 *
345 * FUNCTION: AcpiDmCommaIfListMember
346 *
347 * PARAMETERS: Op - Current operator/operand
348 *
349 * RETURN: TRUE if a comma was inserted
350 *
351 * DESCRIPTION: Insert a comma if this Op is a member of an argument list.
352 *
353 ******************************************************************************/
354
355 BOOLEAN
AcpiDmCommaIfListMember(ACPI_PARSE_OBJECT * Op)356 AcpiDmCommaIfListMember (
357 ACPI_PARSE_OBJECT *Op)
358 {
359
360 if (!Op->Common.Next)
361 {
362 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
363 return (FALSE);
364 }
365
366 if (AcpiDmListType (Op->Common.Parent) & BLOCK_COMMA_LIST)
367 {
368 /* Exit if Target has been marked IGNORE */
369
370 if (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_IGNORE)
371 {
372 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
373 return (FALSE);
374 }
375
376 /* Check for a NULL target operand */
377
378 if ((Op->Common.Next->Common.AmlOpcode == AML_INT_NAMEPATH_OP) &&
379 (!Op->Common.Next->Common.Value.String))
380 {
381 /*
382 * To handle the Divide() case where there are two optional
383 * targets, look ahead one more op. If null, this null target
384 * is the one and only target -- no comma needed. Otherwise,
385 * we need a comma to prepare for the next target.
386 */
387 if (!Op->Common.Next->Common.Next)
388 {
389 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
390 return (FALSE);
391 }
392 }
393
394 if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST) &&
395 (!(Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST)))
396 {
397 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
398 return (FALSE);
399 }
400
401 /* Emit comma only if this is not a C-style operator */
402
403 if (!Op->Common.OperatorSymbol)
404 {
405 AcpiOsPrintf (", ");
406 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
407 }
408
409 return (TRUE);
410 }
411
412 else if ((Op->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST) &&
413 (Op->Common.Next->Common.DisasmFlags & ACPI_PARSEOP_PARAMETER_LIST))
414 {
415 AcpiOsPrintf (", ");
416 ASL_CV_PRINT_ONE_COMMENT (Op, AMLCOMMENT_INLINE, NULL, 0);
417
418 return (TRUE);
419 }
420
421 return (FALSE);
422 }
423
424
425 /*******************************************************************************
426 *
427 * FUNCTION: AcpiDmCommaIfFieldMember
428 *
429 * PARAMETERS: Op - Current operator/operand
430 *
431 * RETURN: None
432 *
433 * DESCRIPTION: Insert a comma if this Op is a member of a Field argument list.
434 *
435 ******************************************************************************/
436
437 void
AcpiDmCommaIfFieldMember(ACPI_PARSE_OBJECT * Op)438 AcpiDmCommaIfFieldMember (
439 ACPI_PARSE_OBJECT *Op)
440 {
441
442 if (Op->Common.Next)
443 {
444 AcpiOsPrintf (", ");
445 }
446 }
447