1 /******************************************************************************
2  *
3  * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2023, 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 #ifndef __ACPARSER_H__
153 #define __ACPARSER_H__
154 
155 
156 #define OP_HAS_RETURN_VALUE             1
157 
158 /* Variable number of arguments. This field must be 32 bits */
159 
160 #define ACPI_VAR_ARGS                   ACPI_UINT32_MAX
161 
162 
163 #define ACPI_PARSE_DELETE_TREE          0x0001
164 #define ACPI_PARSE_NO_TREE_DELETE       0x0000
165 #define ACPI_PARSE_TREE_MASK            0x0001
166 
167 #define ACPI_PARSE_LOAD_PASS1           0x0010
168 #define ACPI_PARSE_LOAD_PASS2           0x0020
169 #define ACPI_PARSE_EXECUTE              0x0030
170 #define ACPI_PARSE_MODE_MASK            0x0030
171 
172 #define ACPI_PARSE_DEFERRED_OP          0x0100
173 #define ACPI_PARSE_DISASSEMBLE          0x0200
174 
175 #define ACPI_PARSE_MODULE_LEVEL         0x0400
176 
177 /******************************************************************************
178  *
179  * Parser interfaces
180  *
181  *****************************************************************************/
182 
183 extern const UINT8      AcpiGbl_ShortOpIndex[];
184 extern const UINT8      AcpiGbl_LongOpIndex[];
185 
186 
187 /*
188  * psxface - Parser external interfaces
189  */
190 ACPI_STATUS
191 AcpiPsExecuteMethod (
192     ACPI_EVALUATE_INFO      *Info);
193 
194 ACPI_STATUS
195 AcpiPsExecuteTable (
196     ACPI_EVALUATE_INFO      *Info);
197 
198 
199 /*
200  * psargs - Parse AML opcode arguments
201  */
202 UINT8 *
203 AcpiPsGetNextPackageEnd (
204     ACPI_PARSE_STATE        *ParserState);
205 
206 char *
207 AcpiPsGetNextNamestring (
208     ACPI_PARSE_STATE        *ParserState);
209 
210 void
211 AcpiPsGetNextSimpleArg (
212     ACPI_PARSE_STATE        *ParserState,
213     UINT32                  ArgType,
214     ACPI_PARSE_OBJECT       *Arg);
215 
216 ACPI_STATUS
217 AcpiPsGetNextNamepath (
218     ACPI_WALK_STATE         *WalkState,
219     ACPI_PARSE_STATE        *ParserState,
220     ACPI_PARSE_OBJECT       *Arg,
221     BOOLEAN                 PossibleMethodCall);
222 
223 /* Values for BOOLEAN above */
224 
225 #define ACPI_NOT_METHOD_CALL            FALSE
226 #define ACPI_POSSIBLE_METHOD_CALL       TRUE
227 
228 ACPI_STATUS
229 AcpiPsGetNextArg (
230     ACPI_WALK_STATE         *WalkState,
231     ACPI_PARSE_STATE        *ParserState,
232     UINT32                  ArgType,
233     ACPI_PARSE_OBJECT       **ReturnArg);
234 
235 
236 /*
237  * psfind
238  */
239 ACPI_PARSE_OBJECT *
240 AcpiPsFindName (
241     ACPI_PARSE_OBJECT       *Scope,
242     UINT32                  Name,
243     UINT32                  Opcode);
244 
245 ACPI_PARSE_OBJECT*
246 AcpiPsGetParent (
247     ACPI_PARSE_OBJECT       *Op);
248 
249 
250 /*
251  * psobject - support for parse object processing
252  */
253 ACPI_STATUS
254 AcpiPsBuildNamedOp (
255     ACPI_WALK_STATE         *WalkState,
256     UINT8                   *AmlOpStart,
257     ACPI_PARSE_OBJECT       *UnnamedOp,
258     ACPI_PARSE_OBJECT       **Op);
259 
260 ACPI_STATUS
261 AcpiPsCreateOp (
262     ACPI_WALK_STATE         *WalkState,
263     UINT8                   *AmlOpStart,
264     ACPI_PARSE_OBJECT       **NewOp);
265 
266 ACPI_STATUS
267 AcpiPsCompleteOp (
268     ACPI_WALK_STATE         *WalkState,
269     ACPI_PARSE_OBJECT       **Op,
270     ACPI_STATUS             Status);
271 
272 ACPI_STATUS
273 AcpiPsCompleteFinalOp (
274     ACPI_WALK_STATE         *WalkState,
275     ACPI_PARSE_OBJECT       *Op,
276     ACPI_STATUS             Status);
277 
278 
279 /*
280  * psopinfo - AML Opcode information
281  */
282 const ACPI_OPCODE_INFO *
283 AcpiPsGetOpcodeInfo (
284     UINT16                  Opcode);
285 
286 const char *
287 AcpiPsGetOpcodeName (
288     UINT16                  Opcode);
289 
290 UINT8
291 AcpiPsGetArgumentCount (
292     UINT32                  OpType);
293 
294 
295 /*
296  * psparse - top level parsing routines
297  */
298 ACPI_STATUS
299 AcpiPsParseAml (
300     ACPI_WALK_STATE         *WalkState);
301 
302 UINT32
303 AcpiPsGetOpcodeSize (
304     UINT32                  Opcode);
305 
306 UINT16
307 AcpiPsPeekOpcode (
308     ACPI_PARSE_STATE        *state);
309 
310 ACPI_STATUS
311 AcpiPsCompleteThisOp (
312     ACPI_WALK_STATE         *WalkState,
313     ACPI_PARSE_OBJECT       *Op);
314 
315 ACPI_STATUS
316 AcpiPsNextParseState (
317     ACPI_WALK_STATE         *WalkState,
318     ACPI_PARSE_OBJECT       *Op,
319     ACPI_STATUS             CallbackStatus);
320 
321 
322 /*
323  * psloop - main parse loop
324  */
325 ACPI_STATUS
326 AcpiPsParseLoop (
327     ACPI_WALK_STATE         *WalkState);
328 
329 
330 /*
331  * psscope - Scope stack management routines
332  */
333 ACPI_STATUS
334 AcpiPsInitScope (
335     ACPI_PARSE_STATE        *ParserState,
336     ACPI_PARSE_OBJECT       *Root);
337 
338 ACPI_PARSE_OBJECT *
339 AcpiPsGetParentScope (
340     ACPI_PARSE_STATE        *state);
341 
342 BOOLEAN
343 AcpiPsHasCompletedScope (
344     ACPI_PARSE_STATE        *ParserState);
345 
346 void
347 AcpiPsPopScope (
348     ACPI_PARSE_STATE        *ParserState,
349     ACPI_PARSE_OBJECT       **Op,
350     UINT32                  *ArgList,
351     UINT32                  *ArgCount);
352 
353 ACPI_STATUS
354 AcpiPsPushScope (
355     ACPI_PARSE_STATE        *ParserState,
356     ACPI_PARSE_OBJECT       *Op,
357     UINT32                  RemainingArgs,
358     UINT32                  ArgCount);
359 
360 void
361 AcpiPsCleanupScope (
362     ACPI_PARSE_STATE        *state);
363 
364 
365 /*
366  * pstree - parse tree manipulation routines
367  */
368 void
369 AcpiPsAppendArg(
370     ACPI_PARSE_OBJECT       *op,
371     ACPI_PARSE_OBJECT       *arg);
372 
373 ACPI_PARSE_OBJECT*
374 AcpiPsFind (
375     ACPI_PARSE_OBJECT       *Scope,
376     char                    *Path,
377     UINT16                  Opcode,
378     UINT32                  Create);
379 
380 ACPI_PARSE_OBJECT *
381 AcpiPsGetArg(
382     ACPI_PARSE_OBJECT       *op,
383     UINT32                   argn);
384 
385 ACPI_PARSE_OBJECT *
386 AcpiPsGetDepthNext (
387     ACPI_PARSE_OBJECT       *Origin,
388     ACPI_PARSE_OBJECT       *Op);
389 
390 
391 /*
392  * pswalk - parse tree walk routines
393  */
394 ACPI_STATUS
395 AcpiPsWalkParsedAml (
396     ACPI_PARSE_OBJECT       *StartOp,
397     ACPI_PARSE_OBJECT       *EndOp,
398     ACPI_OPERAND_OBJECT     *MthDesc,
399     ACPI_NAMESPACE_NODE     *StartNode,
400     ACPI_OPERAND_OBJECT     **Params,
401     ACPI_OPERAND_OBJECT     **CallerReturnDesc,
402     ACPI_OWNER_ID           OwnerId,
403     ACPI_PARSE_DOWNWARDS    DescendingCallback,
404     ACPI_PARSE_UPWARDS      AscendingCallback);
405 
406 ACPI_STATUS
407 AcpiPsGetNextWalkOp (
408     ACPI_WALK_STATE         *WalkState,
409     ACPI_PARSE_OBJECT       *Op,
410     ACPI_PARSE_UPWARDS      AscendingCallback);
411 
412 ACPI_STATUS
413 AcpiPsDeleteCompletedOp (
414     ACPI_WALK_STATE         *WalkState);
415 
416 void
417 AcpiPsDeleteParseTree (
418     ACPI_PARSE_OBJECT       *root);
419 
420 
421 /*
422  * psutils - parser utilities
423  */
424 ACPI_PARSE_OBJECT *
425 AcpiPsCreateScopeOp (
426     UINT8                   *Aml);
427 
428 void
429 AcpiPsInitOp (
430     ACPI_PARSE_OBJECT       *op,
431     UINT16                  opcode);
432 
433 ACPI_PARSE_OBJECT *
434 AcpiPsAllocOp (
435     UINT16                  Opcode,
436     UINT8                   *Aml);
437 
438 void
439 AcpiPsFreeOp (
440     ACPI_PARSE_OBJECT       *Op);
441 
442 BOOLEAN
443 AcpiPsIsLeadingChar (
444     UINT32                  c);
445 
446 UINT32
447 AcpiPsGetName(
448     ACPI_PARSE_OBJECT       *op);
449 
450 void
451 AcpiPsSetName(
452     ACPI_PARSE_OBJECT       *op,
453     UINT32                  name);
454 
455 
456 /*
457  * psdump - display parser tree
458  */
459 UINT32
460 AcpiPsSprintPath (
461     char                    *BufferStart,
462     UINT32                  BufferSize,
463     ACPI_PARSE_OBJECT       *Op);
464 
465 UINT32
466 AcpiPsSprintOp (
467     char                    *BufferStart,
468     UINT32                  BufferSize,
469     ACPI_PARSE_OBJECT       *Op);
470 
471 void
472 AcpiPsShow (
473     ACPI_PARSE_OBJECT       *op);
474 
475 
476 #endif /* __ACPARSER_H__ */
477