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1 | /****************************************************************************** |
1 | /****************************************************************************** |
2 | * |
2 | * |
3 | * Module Name: psscope - Parser scope stack management routines |
3 | * Module Name: psscope - Parser scope stack management routines |
4 | * |
4 | * |
5 | *****************************************************************************/ |
5 | *****************************************************************************/ |
6 | 6 | ||
7 | /****************************************************************************** |
7 | /****************************************************************************** |
8 | * |
8 | * |
9 | * 1. Copyright Notice |
9 | * 1. Copyright Notice |
10 | * |
10 | * |
11 | * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp. |
11 | * Some or all of this work - Copyright (c) 1999 - 2011, Intel Corp. |
12 | * All rights reserved. |
12 | * All rights reserved. |
13 | * |
13 | * |
14 | * 2. License |
14 | * 2. License |
15 | * |
15 | * |
16 | * 2.1. This is your license from Intel Corp. under its intellectual property |
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 |
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 |
18 | * you this software, covering your right to use that party's intellectual |
19 | * property rights. |
19 | * property rights. |
20 | * |
20 | * |
21 | * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a |
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 |
22 | * copy of the source code appearing in this file ("Covered Code") an |
23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
23 | * irrevocable, perpetual, worldwide license under Intel's copyrights in the |
24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
24 | * base code distributed originally by Intel ("Original Intel Code") to copy, |
25 | * make derivatives, distribute, use and display any portion of the Covered |
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 |
26 | * Code in any form, with the right to sublicense such rights; and |
27 | * |
27 | * |
28 | * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent |
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 |
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, |
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 |
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 |
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 |
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 |
34 | * to or modifications of the Original Intel Code. No other license or right |
35 | * is granted directly or by implication, estoppel or otherwise; |
35 | * is granted directly or by implication, estoppel or otherwise; |
36 | * |
36 | * |
37 | * The above copyright and patent license is granted only if the following |
37 | * The above copyright and patent license is granted only if the following |
38 | * conditions are met: |
38 | * conditions are met: |
39 | * |
39 | * |
40 | * 3. Conditions |
40 | * 3. Conditions |
41 | * |
41 | * |
42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
42 | * 3.1. Redistribution of Source with Rights to Further Distribute Source. |
43 | * Redistribution of source code of any substantial portion of the Covered |
43 | * Redistribution of source code of any substantial portion of the Covered |
44 | * Code or modification with rights to further distribute source must include |
44 | * Code or modification with rights to further distribute source must include |
45 | * the above Copyright Notice, the above License, this list of Conditions, |
45 | * the above Copyright Notice, the above License, this list of Conditions, |
46 | * and the following Disclaimer and Export Compliance provision. In addition, |
46 | * and the following Disclaimer and Export Compliance provision. In addition, |
47 | * Licensee must cause all Covered Code to which Licensee contributes to |
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 |
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 |
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 |
50 | * documentation of any changes made by any predecessor Licensee. Licensee |
51 | * must include a prominent statement that the modification is derived, |
51 | * must include a prominent statement that the modification is derived, |
52 | * directly or indirectly, from Original Intel Code. |
52 | * directly or indirectly, from Original Intel Code. |
53 | * |
53 | * |
54 | * 3.2. Redistribution of Source with no Rights to Further Distribute Source. |
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 |
55 | * Redistribution of source code of any substantial portion of the Covered |
56 | * Code or modification without rights to further distribute source must |
56 | * Code or modification without rights to further distribute source must |
57 | * include the following Disclaimer and Export Compliance provision in the |
57 | * include the following Disclaimer and Export Compliance provision in the |
58 | * documentation and/or other materials provided with distribution. In |
58 | * documentation and/or other materials provided with distribution. In |
59 | * addition, Licensee may not authorize further sublicense of source of any |
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 |
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 |
61 | * license from Licensee to its licensee is limited to the intellectual |
62 | * property embodied in the software Licensee provides to its licensee, and |
62 | * property embodied in the software Licensee provides to its licensee, and |
63 | * not to intellectual property embodied in modifications its licensee may |
63 | * not to intellectual property embodied in modifications its licensee may |
64 | * make. |
64 | * make. |
65 | * |
65 | * |
66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
66 | * 3.3. Redistribution of Executable. Redistribution in executable form of any |
67 | * substantial portion of the Covered Code or modification must reproduce the |
67 | * substantial portion of the Covered Code or modification must reproduce the |
68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
68 | * above Copyright Notice, and the following Disclaimer and Export Compliance |
69 | * provision in the documentation and/or other materials provided with the |
69 | * provision in the documentation and/or other materials provided with the |
70 | * distribution. |
70 | * distribution. |
71 | * |
71 | * |
72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
72 | * 3.4. Intel retains all right, title, and interest in and to the Original |
73 | * Intel Code. |
73 | * Intel Code. |
74 | * |
74 | * |
75 | * 3.5. Neither the name Intel nor any other trademark owned or controlled by |
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 |
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 |
77 | * other dealings in products derived from or relating to the Covered Code |
78 | * without prior written authorization from Intel. |
78 | * without prior written authorization from Intel. |
79 | * |
79 | * |
80 | * 4. Disclaimer and Export Compliance |
80 | * 4. Disclaimer and Export Compliance |
81 | * |
81 | * |
82 | * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED |
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 |
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, |
84 | * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, |
85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
85 | * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY |
86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
86 | * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY |
87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
87 | * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A |
88 | * PARTICULAR PURPOSE. |
88 | * PARTICULAR PURPOSE. |
89 | * |
89 | * |
90 | * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES |
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 |
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, |
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 |
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 |
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 |
95 | * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS |
96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
96 | * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY |
97 | * LIMITED REMEDY. |
97 | * LIMITED REMEDY. |
98 | * |
98 | * |
99 | * 4.3. Licensee shall not export, either directly or indirectly, any of this |
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 |
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 |
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 |
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 |
103 | * event Licensee exports any such software from the United States or |
104 | * re-exports any such software from a foreign destination, Licensee shall |
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 |
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 |
106 | * compliance with all laws, regulations, orders, or other restrictions of the |
107 | * U.S. Export Administration Regulations. Licensee agrees that neither it nor |
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, |
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 |
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, |
110 | * United States government or any agency thereof requires an export license, |
111 | * other governmental approval, or letter of assurance, without first obtaining |
111 | * other governmental approval, or letter of assurance, without first obtaining |
112 | * such license, approval or letter. |
112 | * such license, approval or letter. |
113 | * |
113 | * |
114 | *****************************************************************************/ |
114 | *****************************************************************************/ |
115 | 115 | ||
116 | 116 | ||
117 | #include "acpi.h" |
117 | #include "acpi.h" |
118 | #include "accommon.h" |
118 | #include "accommon.h" |
119 | #include "acparser.h" |
119 | #include "acparser.h" |
120 | 120 | ||
121 | #define _COMPONENT ACPI_PARSER |
121 | #define _COMPONENT ACPI_PARSER |
122 | ACPI_MODULE_NAME ("psscope") |
122 | ACPI_MODULE_NAME ("psscope") |
123 | 123 | ||
124 | 124 | ||
125 | /******************************************************************************* |
125 | /******************************************************************************* |
126 | * |
126 | * |
127 | * FUNCTION: AcpiPsGetParentScope |
127 | * FUNCTION: AcpiPsGetParentScope |
128 | * |
128 | * |
129 | * PARAMETERS: ParserState - Current parser state object |
129 | * PARAMETERS: ParserState - Current parser state object |
130 | * |
130 | * |
131 | * RETURN: Pointer to an Op object |
131 | * RETURN: Pointer to an Op object |
132 | * |
132 | * |
133 | * DESCRIPTION: Get parent of current op being parsed |
133 | * DESCRIPTION: Get parent of current op being parsed |
134 | * |
134 | * |
135 | ******************************************************************************/ |
135 | ******************************************************************************/ |
136 | 136 | ||
137 | ACPI_PARSE_OBJECT * |
137 | ACPI_PARSE_OBJECT * |
138 | AcpiPsGetParentScope ( |
138 | AcpiPsGetParentScope ( |
139 | ACPI_PARSE_STATE *ParserState) |
139 | ACPI_PARSE_STATE *ParserState) |
140 | { |
140 | { |
141 | 141 | ||
142 | return (ParserState->Scope->ParseScope.Op); |
142 | return (ParserState->Scope->ParseScope.Op); |
143 | } |
143 | } |
144 | 144 | ||
145 | 145 | ||
146 | /******************************************************************************* |
146 | /******************************************************************************* |
147 | * |
147 | * |
148 | * FUNCTION: AcpiPsHasCompletedScope |
148 | * FUNCTION: AcpiPsHasCompletedScope |
149 | * |
149 | * |
150 | * PARAMETERS: ParserState - Current parser state object |
150 | * PARAMETERS: ParserState - Current parser state object |
151 | * |
151 | * |
152 | * RETURN: Boolean, TRUE = scope completed. |
152 | * RETURN: Boolean, TRUE = scope completed. |
153 | * |
153 | * |
154 | * DESCRIPTION: Is parsing of current argument complete? Determined by |
154 | * DESCRIPTION: Is parsing of current argument complete? Determined by |
155 | * 1) AML pointer is at or beyond the end of the scope |
155 | * 1) AML pointer is at or beyond the end of the scope |
156 | * 2) The scope argument count has reached zero. |
156 | * 2) The scope argument count has reached zero. |
157 | * |
157 | * |
158 | ******************************************************************************/ |
158 | ******************************************************************************/ |
159 | 159 | ||
160 | BOOLEAN |
160 | BOOLEAN |
161 | AcpiPsHasCompletedScope ( |
161 | AcpiPsHasCompletedScope ( |
162 | ACPI_PARSE_STATE *ParserState) |
162 | ACPI_PARSE_STATE *ParserState) |
163 | { |
163 | { |
164 | 164 | ||
165 | return ((BOOLEAN) |
165 | return ((BOOLEAN) |
166 | ((ParserState->Aml >= ParserState->Scope->ParseScope.ArgEnd || |
166 | ((ParserState->Aml >= ParserState->Scope->ParseScope.ArgEnd || |
167 | !ParserState->Scope->ParseScope.ArgCount))); |
167 | !ParserState->Scope->ParseScope.ArgCount))); |
168 | } |
168 | } |
169 | 169 | ||
170 | 170 | ||
171 | /******************************************************************************* |
171 | /******************************************************************************* |
172 | * |
172 | * |
173 | * FUNCTION: AcpiPsInitScope |
173 | * FUNCTION: AcpiPsInitScope |
174 | * |
174 | * |
175 | * PARAMETERS: ParserState - Current parser state object |
175 | * PARAMETERS: ParserState - Current parser state object |
176 | * Root - the Root Node of this new scope |
176 | * Root - the Root Node of this new scope |
177 | * |
177 | * |
178 | * RETURN: Status |
178 | * RETURN: Status |
179 | * |
179 | * |
180 | * DESCRIPTION: Allocate and init a new scope object |
180 | * DESCRIPTION: Allocate and init a new scope object |
181 | * |
181 | * |
182 | ******************************************************************************/ |
182 | ******************************************************************************/ |
183 | 183 | ||
184 | ACPI_STATUS |
184 | ACPI_STATUS |
185 | AcpiPsInitScope ( |
185 | AcpiPsInitScope ( |
186 | ACPI_PARSE_STATE *ParserState, |
186 | ACPI_PARSE_STATE *ParserState, |
187 | ACPI_PARSE_OBJECT *RootOp) |
187 | ACPI_PARSE_OBJECT *RootOp) |
188 | { |
188 | { |
189 | ACPI_GENERIC_STATE *Scope; |
189 | ACPI_GENERIC_STATE *Scope; |
190 | 190 | ||
191 | 191 | ||
192 | ACPI_FUNCTION_TRACE_PTR (PsInitScope, RootOp); |
192 | ACPI_FUNCTION_TRACE_PTR (PsInitScope, RootOp); |
193 | 193 | ||
194 | 194 | ||
195 | Scope = AcpiUtCreateGenericState (); |
195 | Scope = AcpiUtCreateGenericState (); |
196 | if (!Scope) |
196 | if (!Scope) |
197 | { |
197 | { |
198 | return_ACPI_STATUS (AE_NO_MEMORY); |
198 | return_ACPI_STATUS (AE_NO_MEMORY); |
199 | } |
199 | } |
200 | 200 | ||
201 | Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_RPSCOPE; |
201 | Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_RPSCOPE; |
202 | Scope->ParseScope.Op = RootOp; |
202 | Scope->ParseScope.Op = RootOp; |
203 | Scope->ParseScope.ArgCount = ACPI_VAR_ARGS; |
203 | Scope->ParseScope.ArgCount = ACPI_VAR_ARGS; |
204 | Scope->ParseScope.ArgEnd = ParserState->AmlEnd; |
204 | Scope->ParseScope.ArgEnd = ParserState->AmlEnd; |
205 | Scope->ParseScope.PkgEnd = ParserState->AmlEnd; |
205 | Scope->ParseScope.PkgEnd = ParserState->AmlEnd; |
206 | 206 | ||
207 | ParserState->Scope = Scope; |
207 | ParserState->Scope = Scope; |
208 | ParserState->StartOp = RootOp; |
208 | ParserState->StartOp = RootOp; |
209 | 209 | ||
210 | return_ACPI_STATUS (AE_OK); |
210 | return_ACPI_STATUS (AE_OK); |
211 | } |
211 | } |
212 | 212 | ||
213 | 213 | ||
214 | /******************************************************************************* |
214 | /******************************************************************************* |
215 | * |
215 | * |
216 | * FUNCTION: AcpiPsPushScope |
216 | * FUNCTION: AcpiPsPushScope |
217 | * |
217 | * |
218 | * PARAMETERS: ParserState - Current parser state object |
218 | * PARAMETERS: ParserState - Current parser state object |
219 | * Op - Current op to be pushed |
219 | * Op - Current op to be pushed |
220 | * RemainingArgs - List of args remaining |
220 | * RemainingArgs - List of args remaining |
221 | * ArgCount - Fixed or variable number of args |
221 | * ArgCount - Fixed or variable number of args |
222 | * |
222 | * |
223 | * RETURN: Status |
223 | * RETURN: Status |
224 | * |
224 | * |
225 | * DESCRIPTION: Push current op to begin parsing its argument |
225 | * DESCRIPTION: Push current op to begin parsing its argument |
226 | * |
226 | * |
227 | ******************************************************************************/ |
227 | ******************************************************************************/ |
228 | 228 | ||
229 | ACPI_STATUS |
229 | ACPI_STATUS |
230 | AcpiPsPushScope ( |
230 | AcpiPsPushScope ( |
231 | ACPI_PARSE_STATE *ParserState, |
231 | ACPI_PARSE_STATE *ParserState, |
232 | ACPI_PARSE_OBJECT *Op, |
232 | ACPI_PARSE_OBJECT *Op, |
233 | UINT32 RemainingArgs, |
233 | UINT32 RemainingArgs, |
234 | UINT32 ArgCount) |
234 | UINT32 ArgCount) |
235 | { |
235 | { |
236 | ACPI_GENERIC_STATE *Scope; |
236 | ACPI_GENERIC_STATE *Scope; |
237 | 237 | ||
238 | 238 | ||
239 | ACPI_FUNCTION_TRACE_PTR (PsPushScope, Op); |
239 | ACPI_FUNCTION_TRACE_PTR (PsPushScope, Op); |
240 | 240 | ||
241 | 241 | ||
242 | Scope = AcpiUtCreateGenericState (); |
242 | Scope = AcpiUtCreateGenericState (); |
243 | if (!Scope) |
243 | if (!Scope) |
244 | { |
244 | { |
245 | return_ACPI_STATUS (AE_NO_MEMORY); |
245 | return_ACPI_STATUS (AE_NO_MEMORY); |
246 | } |
246 | } |
247 | 247 | ||
248 | Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PSCOPE; |
248 | Scope->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PSCOPE; |
249 | Scope->ParseScope.Op = Op; |
249 | Scope->ParseScope.Op = Op; |
250 | Scope->ParseScope.ArgList = RemainingArgs; |
250 | Scope->ParseScope.ArgList = RemainingArgs; |
251 | Scope->ParseScope.ArgCount = ArgCount; |
251 | Scope->ParseScope.ArgCount = ArgCount; |
252 | Scope->ParseScope.PkgEnd = ParserState->PkgEnd; |
252 | Scope->ParseScope.PkgEnd = ParserState->PkgEnd; |
253 | 253 | ||
254 | /* Push onto scope stack */ |
254 | /* Push onto scope stack */ |
255 | 255 | ||
256 | AcpiUtPushGenericState (&ParserState->Scope, Scope); |
256 | AcpiUtPushGenericState (&ParserState->Scope, Scope); |
257 | 257 | ||
258 | if (ArgCount == ACPI_VAR_ARGS) |
258 | if (ArgCount == ACPI_VAR_ARGS) |
259 | { |
259 | { |
260 | /* Multiple arguments */ |
260 | /* Multiple arguments */ |
261 | 261 | ||
262 | Scope->ParseScope.ArgEnd = ParserState->PkgEnd; |
262 | Scope->ParseScope.ArgEnd = ParserState->PkgEnd; |
263 | } |
263 | } |
264 | else |
264 | else |
265 | { |
265 | { |
266 | /* Single argument */ |
266 | /* Single argument */ |
267 | 267 | ||
268 | Scope->ParseScope.ArgEnd = ACPI_TO_POINTER (ACPI_MAX_PTR); |
268 | Scope->ParseScope.ArgEnd = ACPI_TO_POINTER (ACPI_MAX_PTR); |
269 | } |
269 | } |
270 | 270 | ||
271 | return_ACPI_STATUS (AE_OK); |
271 | return_ACPI_STATUS (AE_OK); |
272 | } |
272 | } |
273 | 273 | ||
274 | 274 | ||
275 | /******************************************************************************* |
275 | /******************************************************************************* |
276 | * |
276 | * |
277 | * FUNCTION: AcpiPsPopScope |
277 | * FUNCTION: AcpiPsPopScope |
278 | * |
278 | * |
279 | * PARAMETERS: ParserState - Current parser state object |
279 | * PARAMETERS: ParserState - Current parser state object |
280 | * Op - Where the popped op is returned |
280 | * Op - Where the popped op is returned |
281 | * ArgList - Where the popped "next argument" is |
281 | * ArgList - Where the popped "next argument" is |
282 | * returned |
282 | * returned |
283 | * ArgCount - Count of objects in ArgList |
283 | * ArgCount - Count of objects in ArgList |
284 | * |
284 | * |
285 | * RETURN: Status |
285 | * RETURN: Status |
286 | * |
286 | * |
287 | * DESCRIPTION: Return to parsing a previous op |
287 | * DESCRIPTION: Return to parsing a previous op |
288 | * |
288 | * |
289 | ******************************************************************************/ |
289 | ******************************************************************************/ |
290 | 290 | ||
291 | void |
291 | void |
292 | AcpiPsPopScope ( |
292 | AcpiPsPopScope ( |
293 | ACPI_PARSE_STATE *ParserState, |
293 | ACPI_PARSE_STATE *ParserState, |
294 | ACPI_PARSE_OBJECT **Op, |
294 | ACPI_PARSE_OBJECT **Op, |
295 | UINT32 *ArgList, |
295 | UINT32 *ArgList, |
296 | UINT32 *ArgCount) |
296 | UINT32 *ArgCount) |
297 | { |
297 | { |
298 | ACPI_GENERIC_STATE *Scope = ParserState->Scope; |
298 | ACPI_GENERIC_STATE *Scope = ParserState->Scope; |
299 | 299 | ||
300 | 300 | ||
301 | ACPI_FUNCTION_TRACE (PsPopScope); |
301 | ACPI_FUNCTION_TRACE (PsPopScope); |
302 | 302 | ||
303 | 303 | ||
304 | /* Only pop the scope if there is in fact a next scope */ |
304 | /* Only pop the scope if there is in fact a next scope */ |
305 | 305 | ||
306 | if (Scope->Common.Next) |
306 | if (Scope->Common.Next) |
307 | { |
307 | { |
308 | Scope = AcpiUtPopGenericState (&ParserState->Scope); |
308 | Scope = AcpiUtPopGenericState (&ParserState->Scope); |
309 | 309 | ||
310 | /* Return to parsing previous op */ |
310 | /* Return to parsing previous op */ |
311 | 311 | ||
312 | *Op = Scope->ParseScope.Op; |
312 | *Op = Scope->ParseScope.Op; |
313 | *ArgList = Scope->ParseScope.ArgList; |
313 | *ArgList = Scope->ParseScope.ArgList; |
314 | *ArgCount = Scope->ParseScope.ArgCount; |
314 | *ArgCount = Scope->ParseScope.ArgCount; |
315 | ParserState->PkgEnd = Scope->ParseScope.PkgEnd; |
315 | ParserState->PkgEnd = Scope->ParseScope.PkgEnd; |
316 | 316 | ||
317 | /* All done with this scope state structure */ |
317 | /* All done with this scope state structure */ |
318 | 318 | ||
319 | AcpiUtDeleteGenericState (Scope); |
319 | AcpiUtDeleteGenericState (Scope); |
320 | } |
320 | } |
321 | else |
321 | else |
322 | { |
322 | { |
323 | /* Empty parse stack, prepare to fetch next opcode */ |
323 | /* Empty parse stack, prepare to fetch next opcode */ |
324 | 324 | ||
325 | *Op = NULL; |
325 | *Op = NULL; |
326 | *ArgList = 0; |
326 | *ArgList = 0; |
327 | *ArgCount = 0; |
327 | *ArgCount = 0; |
328 | } |
328 | } |
329 | 329 | ||
330 | ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
330 | ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, |
331 | "Popped Op %p Args %X\n", *Op, *ArgCount)); |
331 | "Popped Op %p Args %X\n", *Op, *ArgCount)); |
332 | return_VOID; |
332 | return_VOID; |
333 | } |
333 | } |
334 | 334 | ||
335 | 335 | ||
336 | /******************************************************************************* |
336 | /******************************************************************************* |
337 | * |
337 | * |
338 | * FUNCTION: AcpiPsCleanupScope |
338 | * FUNCTION: AcpiPsCleanupScope |
339 | * |
339 | * |
340 | * PARAMETERS: ParserState - Current parser state object |
340 | * PARAMETERS: ParserState - Current parser state object |
341 | * |
341 | * |
342 | * RETURN: None |
342 | * RETURN: None |
343 | * |
343 | * |
344 | * DESCRIPTION: Destroy available list, remaining stack levels, and return |
344 | * DESCRIPTION: Destroy available list, remaining stack levels, and return |
345 | * root scope |
345 | * root scope |
346 | * |
346 | * |
347 | ******************************************************************************/ |
347 | ******************************************************************************/ |
348 | 348 | ||
349 | void |
349 | void |
350 | AcpiPsCleanupScope ( |
350 | AcpiPsCleanupScope ( |
351 | ACPI_PARSE_STATE *ParserState) |
351 | ACPI_PARSE_STATE *ParserState) |
352 | { |
352 | { |
353 | ACPI_GENERIC_STATE *Scope; |
353 | ACPI_GENERIC_STATE *Scope; |
354 | 354 | ||
355 | 355 | ||
356 | ACPI_FUNCTION_TRACE_PTR (PsCleanupScope, ParserState); |
356 | ACPI_FUNCTION_TRACE_PTR (PsCleanupScope, ParserState); |
357 | 357 | ||
358 | 358 | ||
359 | if (!ParserState) |
359 | if (!ParserState) |
360 | { |
360 | { |
361 | return_VOID; |
361 | return_VOID; |
362 | } |
362 | } |
363 | 363 | ||
364 | /* Delete anything on the scope stack */ |
364 | /* Delete anything on the scope stack */ |
365 | 365 | ||
366 | while (ParserState->Scope) |
366 | while (ParserState->Scope) |
367 | { |
367 | { |
368 | Scope = AcpiUtPopGenericState (&ParserState->Scope); |
368 | Scope = AcpiUtPopGenericState (&ParserState->Scope); |
369 | AcpiUtDeleteGenericState (Scope); |
369 | AcpiUtDeleteGenericState (Scope); |
370 | } |
370 | } |
371 | 371 | ||
372 | return_VOID; |
372 | return_VOID; |
373 | } |
373 | } |