1 /******************************************************************************
2  *
3  * Module Name: acparser.h - AML Parser subcomponent prototypes and defines
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2021, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACPARSER_H__
45 #define __ACPARSER_H__
46 
47 
48 #define OP_HAS_RETURN_VALUE             1
49 
50 /* Variable number of arguments. This field must be 32 bits */
51 
52 #define ACPI_VAR_ARGS                   ACPI_UINT32_MAX
53 
54 
55 #define ACPI_PARSE_DELETE_TREE          0x0001
56 #define ACPI_PARSE_NO_TREE_DELETE       0x0000
57 #define ACPI_PARSE_TREE_MASK            0x0001
58 
59 #define ACPI_PARSE_LOAD_PASS1           0x0010
60 #define ACPI_PARSE_LOAD_PASS2           0x0020
61 #define ACPI_PARSE_EXECUTE              0x0030
62 #define ACPI_PARSE_MODE_MASK            0x0030
63 
64 #define ACPI_PARSE_DEFERRED_OP          0x0100
65 #define ACPI_PARSE_DISASSEMBLE          0x0200
66 
67 #define ACPI_PARSE_MODULE_LEVEL         0x0400
68 
69 /******************************************************************************
70  *
71  * Parser interfaces
72  *
73  *****************************************************************************/
74 
75 extern const UINT8      AcpiGbl_ShortOpIndex[];
76 extern const UINT8      AcpiGbl_LongOpIndex[];
77 
78 
79 /*
80  * psxface - Parser external interfaces
81  */
82 ACPI_STATUS
83 AcpiPsExecuteMethod (
84     ACPI_EVALUATE_INFO      *Info);
85 
86 ACPI_STATUS
87 AcpiPsExecuteTable (
88     ACPI_EVALUATE_INFO      *Info);
89 
90 
91 /*
92  * psargs - Parse AML opcode arguments
93  */
94 UINT8 *
95 AcpiPsGetNextPackageEnd (
96     ACPI_PARSE_STATE        *ParserState);
97 
98 char *
99 AcpiPsGetNextNamestring (
100     ACPI_PARSE_STATE        *ParserState);
101 
102 void
103 AcpiPsGetNextSimpleArg (
104     ACPI_PARSE_STATE        *ParserState,
105     UINT32                  ArgType,
106     ACPI_PARSE_OBJECT       *Arg);
107 
108 ACPI_STATUS
109 AcpiPsGetNextNamepath (
110     ACPI_WALK_STATE         *WalkState,
111     ACPI_PARSE_STATE        *ParserState,
112     ACPI_PARSE_OBJECT       *Arg,
113     BOOLEAN                 PossibleMethodCall);
114 
115 /* Values for BOOLEAN above */
116 
117 #define ACPI_NOT_METHOD_CALL            FALSE
118 #define ACPI_POSSIBLE_METHOD_CALL       TRUE
119 
120 ACPI_STATUS
121 AcpiPsGetNextArg (
122     ACPI_WALK_STATE         *WalkState,
123     ACPI_PARSE_STATE        *ParserState,
124     UINT32                  ArgType,
125     ACPI_PARSE_OBJECT       **ReturnArg);
126 
127 
128 /*
129  * psfind
130  */
131 ACPI_PARSE_OBJECT *
132 AcpiPsFindName (
133     ACPI_PARSE_OBJECT       *Scope,
134     UINT32                  Name,
135     UINT32                  Opcode);
136 
137 ACPI_PARSE_OBJECT*
138 AcpiPsGetParent (
139     ACPI_PARSE_OBJECT       *Op);
140 
141 
142 /*
143  * psobject - support for parse object processing
144  */
145 ACPI_STATUS
146 AcpiPsBuildNamedOp (
147     ACPI_WALK_STATE         *WalkState,
148     UINT8                   *AmlOpStart,
149     ACPI_PARSE_OBJECT       *UnnamedOp,
150     ACPI_PARSE_OBJECT       **Op);
151 
152 ACPI_STATUS
153 AcpiPsCreateOp (
154     ACPI_WALK_STATE         *WalkState,
155     UINT8                   *AmlOpStart,
156     ACPI_PARSE_OBJECT       **NewOp);
157 
158 ACPI_STATUS
159 AcpiPsCompleteOp (
160     ACPI_WALK_STATE         *WalkState,
161     ACPI_PARSE_OBJECT       **Op,
162     ACPI_STATUS             Status);
163 
164 ACPI_STATUS
165 AcpiPsCompleteFinalOp (
166     ACPI_WALK_STATE         *WalkState,
167     ACPI_PARSE_OBJECT       *Op,
168     ACPI_STATUS             Status);
169 
170 
171 /*
172  * psopinfo - AML Opcode information
173  */
174 const ACPI_OPCODE_INFO *
175 AcpiPsGetOpcodeInfo (
176     UINT16                  Opcode);
177 
178 const char *
179 AcpiPsGetOpcodeName (
180     UINT16                  Opcode);
181 
182 UINT8
183 AcpiPsGetArgumentCount (
184     UINT32                  OpType);
185 
186 
187 /*
188  * psparse - top level parsing routines
189  */
190 ACPI_STATUS
191 AcpiPsParseAml (
192     ACPI_WALK_STATE         *WalkState);
193 
194 UINT32
195 AcpiPsGetOpcodeSize (
196     UINT32                  Opcode);
197 
198 UINT16
199 AcpiPsPeekOpcode (
200     ACPI_PARSE_STATE        *state);
201 
202 ACPI_STATUS
203 AcpiPsCompleteThisOp (
204     ACPI_WALK_STATE         *WalkState,
205     ACPI_PARSE_OBJECT       *Op);
206 
207 ACPI_STATUS
208 AcpiPsNextParseState (
209     ACPI_WALK_STATE         *WalkState,
210     ACPI_PARSE_OBJECT       *Op,
211     ACPI_STATUS             CallbackStatus);
212 
213 
214 /*
215  * psloop - main parse loop
216  */
217 ACPI_STATUS
218 AcpiPsParseLoop (
219     ACPI_WALK_STATE         *WalkState);
220 
221 
222 /*
223  * psscope - Scope stack management routines
224  */
225 ACPI_STATUS
226 AcpiPsInitScope (
227     ACPI_PARSE_STATE        *ParserState,
228     ACPI_PARSE_OBJECT       *Root);
229 
230 ACPI_PARSE_OBJECT *
231 AcpiPsGetParentScope (
232     ACPI_PARSE_STATE        *state);
233 
234 BOOLEAN
235 AcpiPsHasCompletedScope (
236     ACPI_PARSE_STATE        *ParserState);
237 
238 void
239 AcpiPsPopScope (
240     ACPI_PARSE_STATE        *ParserState,
241     ACPI_PARSE_OBJECT       **Op,
242     UINT32                  *ArgList,
243     UINT32                  *ArgCount);
244 
245 ACPI_STATUS
246 AcpiPsPushScope (
247     ACPI_PARSE_STATE        *ParserState,
248     ACPI_PARSE_OBJECT       *Op,
249     UINT32                  RemainingArgs,
250     UINT32                  ArgCount);
251 
252 void
253 AcpiPsCleanupScope (
254     ACPI_PARSE_STATE        *state);
255 
256 
257 /*
258  * pstree - parse tree manipulation routines
259  */
260 void
261 AcpiPsAppendArg(
262     ACPI_PARSE_OBJECT       *op,
263     ACPI_PARSE_OBJECT       *arg);
264 
265 ACPI_PARSE_OBJECT*
266 AcpiPsFind (
267     ACPI_PARSE_OBJECT       *Scope,
268     char                    *Path,
269     UINT16                  Opcode,
270     UINT32                  Create);
271 
272 ACPI_PARSE_OBJECT *
273 AcpiPsGetArg(
274     ACPI_PARSE_OBJECT       *op,
275     UINT32                   argn);
276 
277 ACPI_PARSE_OBJECT *
278 AcpiPsGetDepthNext (
279     ACPI_PARSE_OBJECT       *Origin,
280     ACPI_PARSE_OBJECT       *Op);
281 
282 
283 /*
284  * pswalk - parse tree walk routines
285  */
286 ACPI_STATUS
287 AcpiPsWalkParsedAml (
288     ACPI_PARSE_OBJECT       *StartOp,
289     ACPI_PARSE_OBJECT       *EndOp,
290     ACPI_OPERAND_OBJECT     *MthDesc,
291     ACPI_NAMESPACE_NODE     *StartNode,
292     ACPI_OPERAND_OBJECT     **Params,
293     ACPI_OPERAND_OBJECT     **CallerReturnDesc,
294     ACPI_OWNER_ID           OwnerId,
295     ACPI_PARSE_DOWNWARDS    DescendingCallback,
296     ACPI_PARSE_UPWARDS      AscendingCallback);
297 
298 ACPI_STATUS
299 AcpiPsGetNextWalkOp (
300     ACPI_WALK_STATE         *WalkState,
301     ACPI_PARSE_OBJECT       *Op,
302     ACPI_PARSE_UPWARDS      AscendingCallback);
303 
304 ACPI_STATUS
305 AcpiPsDeleteCompletedOp (
306     ACPI_WALK_STATE         *WalkState);
307 
308 void
309 AcpiPsDeleteParseTree (
310     ACPI_PARSE_OBJECT       *root);
311 
312 
313 /*
314  * psutils - parser utilities
315  */
316 ACPI_PARSE_OBJECT *
317 AcpiPsCreateScopeOp (
318     UINT8                   *Aml);
319 
320 void
321 AcpiPsInitOp (
322     ACPI_PARSE_OBJECT       *op,
323     UINT16                  opcode);
324 
325 ACPI_PARSE_OBJECT *
326 AcpiPsAllocOp (
327     UINT16                  Opcode,
328     UINT8                   *Aml);
329 
330 void
331 AcpiPsFreeOp (
332     ACPI_PARSE_OBJECT       *Op);
333 
334 BOOLEAN
335 AcpiPsIsLeadingChar (
336     UINT32                  c);
337 
338 UINT32
339 AcpiPsGetName(
340     ACPI_PARSE_OBJECT       *op);
341 
342 void
343 AcpiPsSetName(
344     ACPI_PARSE_OBJECT       *op,
345     UINT32                  name);
346 
347 
348 /*
349  * psdump - display parser tree
350  */
351 UINT32
352 AcpiPsSprintPath (
353     char                    *BufferStart,
354     UINT32                  BufferSize,
355     ACPI_PARSE_OBJECT       *Op);
356 
357 UINT32
358 AcpiPsSprintOp (
359     char                    *BufferStart,
360     UINT32                  BufferSize,
361     ACPI_PARSE_OBJECT       *Op);
362 
363 void
364 AcpiPsShow (
365     ACPI_PARSE_OBJECT       *op);
366 
367 
368 #endif /* __ACPARSER_H__ */
369