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1 | /******************************************************************************* |
1 | /******************************************************************************* |
2 | * |
2 | * |
3 | * Module Name: utstate - state object support procedures |
3 | * Module Name: utstate - state object support procedures |
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 | #define __UTSTATE_C__ |
117 | #define __UTSTATE_C__ |
118 | 118 | ||
119 | #include "acpi.h" |
119 | #include "acpi.h" |
120 | #include "accommon.h" |
120 | #include "accommon.h" |
121 | 121 | ||
122 | #define _COMPONENT ACPI_UTILITIES |
122 | #define _COMPONENT ACPI_UTILITIES |
123 | ACPI_MODULE_NAME ("utstate") |
123 | ACPI_MODULE_NAME ("utstate") |
124 | 124 | ||
125 | 125 | ||
126 | /******************************************************************************* |
126 | /******************************************************************************* |
127 | * |
127 | * |
128 | * FUNCTION: AcpiUtCreatePkgStateAndPush |
128 | * FUNCTION: AcpiUtCreatePkgStateAndPush |
129 | * |
129 | * |
130 | * PARAMETERS: Object - Object to be added to the new state |
130 | * PARAMETERS: Object - Object to be added to the new state |
131 | * Action - Increment/Decrement |
131 | * Action - Increment/Decrement |
132 | * StateList - List the state will be added to |
132 | * StateList - List the state will be added to |
133 | * |
133 | * |
134 | * RETURN: Status |
134 | * RETURN: Status |
135 | * |
135 | * |
136 | * DESCRIPTION: Create a new state and push it |
136 | * DESCRIPTION: Create a new state and push it |
137 | * |
137 | * |
138 | ******************************************************************************/ |
138 | ******************************************************************************/ |
139 | 139 | ||
140 | ACPI_STATUS |
140 | ACPI_STATUS |
141 | AcpiUtCreatePkgStateAndPush ( |
141 | AcpiUtCreatePkgStateAndPush ( |
142 | void *InternalObject, |
142 | void *InternalObject, |
143 | void *ExternalObject, |
143 | void *ExternalObject, |
144 | UINT16 Index, |
144 | UINT16 Index, |
145 | ACPI_GENERIC_STATE **StateList) |
145 | ACPI_GENERIC_STATE **StateList) |
146 | { |
146 | { |
147 | ACPI_GENERIC_STATE *State; |
147 | ACPI_GENERIC_STATE *State; |
148 | 148 | ||
149 | 149 | ||
150 | ACPI_FUNCTION_ENTRY (); |
150 | ACPI_FUNCTION_ENTRY (); |
151 | 151 | ||
152 | 152 | ||
153 | State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index); |
153 | State = AcpiUtCreatePkgState (InternalObject, ExternalObject, Index); |
154 | if (!State) |
154 | if (!State) |
155 | { |
155 | { |
156 | return (AE_NO_MEMORY); |
156 | return (AE_NO_MEMORY); |
157 | } |
157 | } |
158 | 158 | ||
159 | AcpiUtPushGenericState (StateList, State); |
159 | AcpiUtPushGenericState (StateList, State); |
160 | return (AE_OK); |
160 | return (AE_OK); |
161 | } |
161 | } |
162 | 162 | ||
163 | 163 | ||
164 | /******************************************************************************* |
164 | /******************************************************************************* |
165 | * |
165 | * |
166 | * FUNCTION: AcpiUtPushGenericState |
166 | * FUNCTION: AcpiUtPushGenericState |
167 | * |
167 | * |
168 | * PARAMETERS: ListHead - Head of the state stack |
168 | * PARAMETERS: ListHead - Head of the state stack |
169 | * State - State object to push |
169 | * State - State object to push |
170 | * |
170 | * |
171 | * RETURN: None |
171 | * RETURN: None |
172 | * |
172 | * |
173 | * DESCRIPTION: Push a state object onto a state stack |
173 | * DESCRIPTION: Push a state object onto a state stack |
174 | * |
174 | * |
175 | ******************************************************************************/ |
175 | ******************************************************************************/ |
176 | 176 | ||
177 | void |
177 | void |
178 | AcpiUtPushGenericState ( |
178 | AcpiUtPushGenericState ( |
179 | ACPI_GENERIC_STATE **ListHead, |
179 | ACPI_GENERIC_STATE **ListHead, |
180 | ACPI_GENERIC_STATE *State) |
180 | ACPI_GENERIC_STATE *State) |
181 | { |
181 | { |
182 | ACPI_FUNCTION_TRACE (UtPushGenericState); |
182 | ACPI_FUNCTION_TRACE (UtPushGenericState); |
183 | 183 | ||
184 | 184 | ||
185 | /* Push the state object onto the front of the list (stack) */ |
185 | /* Push the state object onto the front of the list (stack) */ |
186 | 186 | ||
187 | State->Common.Next = *ListHead; |
187 | State->Common.Next = *ListHead; |
188 | *ListHead = State; |
188 | *ListHead = State; |
189 | 189 | ||
190 | return_VOID; |
190 | return_VOID; |
191 | } |
191 | } |
192 | 192 | ||
193 | 193 | ||
194 | /******************************************************************************* |
194 | /******************************************************************************* |
195 | * |
195 | * |
196 | * FUNCTION: AcpiUtPopGenericState |
196 | * FUNCTION: AcpiUtPopGenericState |
197 | * |
197 | * |
198 | * PARAMETERS: ListHead - Head of the state stack |
198 | * PARAMETERS: ListHead - Head of the state stack |
199 | * |
199 | * |
200 | * RETURN: The popped state object |
200 | * RETURN: The popped state object |
201 | * |
201 | * |
202 | * DESCRIPTION: Pop a state object from a state stack |
202 | * DESCRIPTION: Pop a state object from a state stack |
203 | * |
203 | * |
204 | ******************************************************************************/ |
204 | ******************************************************************************/ |
205 | 205 | ||
206 | ACPI_GENERIC_STATE * |
206 | ACPI_GENERIC_STATE * |
207 | AcpiUtPopGenericState ( |
207 | AcpiUtPopGenericState ( |
208 | ACPI_GENERIC_STATE **ListHead) |
208 | ACPI_GENERIC_STATE **ListHead) |
209 | { |
209 | { |
210 | ACPI_GENERIC_STATE *State; |
210 | ACPI_GENERIC_STATE *State; |
211 | 211 | ||
212 | 212 | ||
213 | ACPI_FUNCTION_TRACE (UtPopGenericState); |
213 | ACPI_FUNCTION_TRACE (UtPopGenericState); |
214 | 214 | ||
215 | 215 | ||
216 | /* Remove the state object at the head of the list (stack) */ |
216 | /* Remove the state object at the head of the list (stack) */ |
217 | 217 | ||
218 | State = *ListHead; |
218 | State = *ListHead; |
219 | if (State) |
219 | if (State) |
220 | { |
220 | { |
221 | /* Update the list head */ |
221 | /* Update the list head */ |
222 | 222 | ||
223 | *ListHead = State->Common.Next; |
223 | *ListHead = State->Common.Next; |
224 | } |
224 | } |
225 | 225 | ||
226 | return_PTR (State); |
226 | return_PTR (State); |
227 | } |
227 | } |
228 | 228 | ||
229 | 229 | ||
230 | /******************************************************************************* |
230 | /******************************************************************************* |
231 | * |
231 | * |
232 | * FUNCTION: AcpiUtCreateGenericState |
232 | * FUNCTION: AcpiUtCreateGenericState |
233 | * |
233 | * |
234 | * PARAMETERS: None |
234 | * PARAMETERS: None |
235 | * |
235 | * |
236 | * RETURN: The new state object. NULL on failure. |
236 | * RETURN: The new state object. NULL on failure. |
237 | * |
237 | * |
238 | * DESCRIPTION: Create a generic state object. Attempt to obtain one from |
238 | * DESCRIPTION: Create a generic state object. Attempt to obtain one from |
239 | * the global state cache; If none available, create a new one. |
239 | * the global state cache; If none available, create a new one. |
240 | * |
240 | * |
241 | ******************************************************************************/ |
241 | ******************************************************************************/ |
242 | 242 | ||
243 | ACPI_GENERIC_STATE * |
243 | ACPI_GENERIC_STATE * |
244 | AcpiUtCreateGenericState ( |
244 | AcpiUtCreateGenericState ( |
245 | void) |
245 | void) |
246 | { |
246 | { |
247 | ACPI_GENERIC_STATE *State; |
247 | ACPI_GENERIC_STATE *State; |
248 | 248 | ||
249 | 249 | ||
250 | ACPI_FUNCTION_ENTRY (); |
250 | ACPI_FUNCTION_ENTRY (); |
251 | 251 | ||
252 | 252 | ||
253 | State = AcpiOsAcquireObject (AcpiGbl_StateCache); |
253 | State = AcpiOsAcquireObject (AcpiGbl_StateCache); |
254 | if (State) |
254 | if (State) |
255 | { |
255 | { |
256 | /* Initialize */ |
256 | /* Initialize */ |
257 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE; |
257 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE; |
258 | } |
258 | } |
259 | 259 | ||
260 | return (State); |
260 | return (State); |
261 | } |
261 | } |
262 | 262 | ||
263 | 263 | ||
264 | /******************************************************************************* |
264 | /******************************************************************************* |
265 | * |
265 | * |
266 | * FUNCTION: AcpiUtCreateThreadState |
266 | * FUNCTION: AcpiUtCreateThreadState |
267 | * |
267 | * |
268 | * PARAMETERS: None |
268 | * PARAMETERS: None |
269 | * |
269 | * |
270 | * RETURN: New Thread State. NULL on failure |
270 | * RETURN: New Thread State. NULL on failure |
271 | * |
271 | * |
272 | * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used |
272 | * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used |
273 | * to track per-thread info during method execution |
273 | * to track per-thread info during method execution |
274 | * |
274 | * |
275 | ******************************************************************************/ |
275 | ******************************************************************************/ |
276 | 276 | ||
277 | ACPI_THREAD_STATE * |
277 | ACPI_THREAD_STATE * |
278 | AcpiUtCreateThreadState ( |
278 | AcpiUtCreateThreadState ( |
279 | void) |
279 | void) |
280 | { |
280 | { |
281 | ACPI_GENERIC_STATE *State; |
281 | ACPI_GENERIC_STATE *State; |
282 | 282 | ||
283 | 283 | ||
284 | ACPI_FUNCTION_TRACE (UtCreateThreadState); |
284 | ACPI_FUNCTION_TRACE (UtCreateThreadState); |
285 | 285 | ||
286 | 286 | ||
287 | /* Create the generic state object */ |
287 | /* Create the generic state object */ |
288 | 288 | ||
289 | State = AcpiUtCreateGenericState (); |
289 | State = AcpiUtCreateGenericState (); |
290 | if (!State) |
290 | if (!State) |
291 | { |
291 | { |
292 | return_PTR (NULL); |
292 | return_PTR (NULL); |
293 | } |
293 | } |
294 | 294 | ||
295 | /* Init fields specific to the update struct */ |
295 | /* Init fields specific to the update struct */ |
296 | 296 | ||
297 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD; |
297 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD; |
298 | State->Thread.ThreadId = AcpiOsGetThreadId (); |
298 | State->Thread.ThreadId = AcpiOsGetThreadId (); |
299 | 299 | ||
300 | /* Check for invalid thread ID - zero is very bad, it will break things */ |
300 | /* Check for invalid thread ID - zero is very bad, it will break things */ |
301 | 301 | ||
302 | if (!State->Thread.ThreadId) |
302 | if (!State->Thread.ThreadId) |
303 | { |
303 | { |
304 | ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId")); |
304 | ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId")); |
305 | State->Thread.ThreadId = (ACPI_THREAD_ID) 1; |
305 | State->Thread.ThreadId = (ACPI_THREAD_ID) 1; |
306 | } |
306 | } |
307 | 307 | ||
308 | return_PTR ((ACPI_THREAD_STATE *) State); |
308 | return_PTR ((ACPI_THREAD_STATE *) State); |
309 | } |
309 | } |
310 | 310 | ||
311 | 311 | ||
312 | /******************************************************************************* |
312 | /******************************************************************************* |
313 | * |
313 | * |
314 | * FUNCTION: AcpiUtCreateUpdateState |
314 | * FUNCTION: AcpiUtCreateUpdateState |
315 | * |
315 | * |
316 | * PARAMETERS: Object - Initial Object to be installed in the state |
316 | * PARAMETERS: Object - Initial Object to be installed in the state |
317 | * Action - Update action to be performed |
317 | * Action - Update action to be performed |
318 | * |
318 | * |
319 | * RETURN: New state object, null on failure |
319 | * RETURN: New state object, null on failure |
320 | * |
320 | * |
321 | * DESCRIPTION: Create an "Update State" - a flavor of the generic state used |
321 | * DESCRIPTION: Create an "Update State" - a flavor of the generic state used |
322 | * to update reference counts and delete complex objects such |
322 | * to update reference counts and delete complex objects such |
323 | * as packages. |
323 | * as packages. |
324 | * |
324 | * |
325 | ******************************************************************************/ |
325 | ******************************************************************************/ |
326 | 326 | ||
327 | ACPI_GENERIC_STATE * |
327 | ACPI_GENERIC_STATE * |
328 | AcpiUtCreateUpdateState ( |
328 | AcpiUtCreateUpdateState ( |
329 | ACPI_OPERAND_OBJECT *Object, |
329 | ACPI_OPERAND_OBJECT *Object, |
330 | UINT16 Action) |
330 | UINT16 Action) |
331 | { |
331 | { |
332 | ACPI_GENERIC_STATE *State; |
332 | ACPI_GENERIC_STATE *State; |
333 | 333 | ||
334 | 334 | ||
335 | ACPI_FUNCTION_TRACE_PTR (UtCreateUpdateState, Object); |
335 | ACPI_FUNCTION_TRACE_PTR (UtCreateUpdateState, Object); |
336 | 336 | ||
337 | 337 | ||
338 | /* Create the generic state object */ |
338 | /* Create the generic state object */ |
339 | 339 | ||
340 | State = AcpiUtCreateGenericState (); |
340 | State = AcpiUtCreateGenericState (); |
341 | if (!State) |
341 | if (!State) |
342 | { |
342 | { |
343 | return_PTR (NULL); |
343 | return_PTR (NULL); |
344 | } |
344 | } |
345 | 345 | ||
346 | /* Init fields specific to the update struct */ |
346 | /* Init fields specific to the update struct */ |
347 | 347 | ||
348 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE; |
348 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE; |
349 | State->Update.Object = Object; |
349 | State->Update.Object = Object; |
350 | State->Update.Value = Action; |
350 | State->Update.Value = Action; |
351 | 351 | ||
352 | return_PTR (State); |
352 | return_PTR (State); |
353 | } |
353 | } |
354 | 354 | ||
355 | 355 | ||
356 | /******************************************************************************* |
356 | /******************************************************************************* |
357 | * |
357 | * |
358 | * FUNCTION: AcpiUtCreatePkgState |
358 | * FUNCTION: AcpiUtCreatePkgState |
359 | * |
359 | * |
360 | * PARAMETERS: Object - Initial Object to be installed in the state |
360 | * PARAMETERS: Object - Initial Object to be installed in the state |
361 | * Action - Update action to be performed |
361 | * Action - Update action to be performed |
362 | * |
362 | * |
363 | * RETURN: New state object, null on failure |
363 | * RETURN: New state object, null on failure |
364 | * |
364 | * |
365 | * DESCRIPTION: Create a "Package State" |
365 | * DESCRIPTION: Create a "Package State" |
366 | * |
366 | * |
367 | ******************************************************************************/ |
367 | ******************************************************************************/ |
368 | 368 | ||
369 | ACPI_GENERIC_STATE * |
369 | ACPI_GENERIC_STATE * |
370 | AcpiUtCreatePkgState ( |
370 | AcpiUtCreatePkgState ( |
371 | void *InternalObject, |
371 | void *InternalObject, |
372 | void *ExternalObject, |
372 | void *ExternalObject, |
373 | UINT16 Index) |
373 | UINT16 Index) |
374 | { |
374 | { |
375 | ACPI_GENERIC_STATE *State; |
375 | ACPI_GENERIC_STATE *State; |
376 | 376 | ||
377 | 377 | ||
378 | ACPI_FUNCTION_TRACE_PTR (UtCreatePkgState, InternalObject); |
378 | ACPI_FUNCTION_TRACE_PTR (UtCreatePkgState, InternalObject); |
379 | 379 | ||
380 | 380 | ||
381 | /* Create the generic state object */ |
381 | /* Create the generic state object */ |
382 | 382 | ||
383 | State = AcpiUtCreateGenericState (); |
383 | State = AcpiUtCreateGenericState (); |
384 | if (!State) |
384 | if (!State) |
385 | { |
385 | { |
386 | return_PTR (NULL); |
386 | return_PTR (NULL); |
387 | } |
387 | } |
388 | 388 | ||
389 | /* Init fields specific to the update struct */ |
389 | /* Init fields specific to the update struct */ |
390 | 390 | ||
391 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE; |
391 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE; |
392 | State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject; |
392 | State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject; |
393 | State->Pkg.DestObject = ExternalObject; |
393 | State->Pkg.DestObject = ExternalObject; |
394 | State->Pkg.Index= Index; |
394 | State->Pkg.Index= Index; |
395 | State->Pkg.NumPackages = 1; |
395 | State->Pkg.NumPackages = 1; |
396 | 396 | ||
397 | return_PTR (State); |
397 | return_PTR (State); |
398 | } |
398 | } |
399 | 399 | ||
400 | 400 | ||
401 | /******************************************************************************* |
401 | /******************************************************************************* |
402 | * |
402 | * |
403 | * FUNCTION: AcpiUtCreateControlState |
403 | * FUNCTION: AcpiUtCreateControlState |
404 | * |
404 | * |
405 | * PARAMETERS: None |
405 | * PARAMETERS: None |
406 | * |
406 | * |
407 | * RETURN: New state object, null on failure |
407 | * RETURN: New state object, null on failure |
408 | * |
408 | * |
409 | * DESCRIPTION: Create a "Control State" - a flavor of the generic state used |
409 | * DESCRIPTION: Create a "Control State" - a flavor of the generic state used |
410 | * to support nested IF/WHILE constructs in the AML. |
410 | * to support nested IF/WHILE constructs in the AML. |
411 | * |
411 | * |
412 | ******************************************************************************/ |
412 | ******************************************************************************/ |
413 | 413 | ||
414 | ACPI_GENERIC_STATE * |
414 | ACPI_GENERIC_STATE * |
415 | AcpiUtCreateControlState ( |
415 | AcpiUtCreateControlState ( |
416 | void) |
416 | void) |
417 | { |
417 | { |
418 | ACPI_GENERIC_STATE *State; |
418 | ACPI_GENERIC_STATE *State; |
419 | 419 | ||
420 | 420 | ||
421 | ACPI_FUNCTION_TRACE (UtCreateControlState); |
421 | ACPI_FUNCTION_TRACE (UtCreateControlState); |
422 | 422 | ||
423 | 423 | ||
424 | /* Create the generic state object */ |
424 | /* Create the generic state object */ |
425 | 425 | ||
426 | State = AcpiUtCreateGenericState (); |
426 | State = AcpiUtCreateGenericState (); |
427 | if (!State) |
427 | if (!State) |
428 | { |
428 | { |
429 | return_PTR (NULL); |
429 | return_PTR (NULL); |
430 | } |
430 | } |
431 | 431 | ||
432 | /* Init fields specific to the control struct */ |
432 | /* Init fields specific to the control struct */ |
433 | 433 | ||
434 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL; |
434 | State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL; |
435 | State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING; |
435 | State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING; |
436 | 436 | ||
437 | return_PTR (State); |
437 | return_PTR (State); |
438 | } |
438 | } |
439 | 439 | ||
440 | 440 | ||
441 | /******************************************************************************* |
441 | /******************************************************************************* |
442 | * |
442 | * |
443 | * FUNCTION: AcpiUtDeleteGenericState |
443 | * FUNCTION: AcpiUtDeleteGenericState |
444 | * |
444 | * |
445 | * PARAMETERS: State - The state object to be deleted |
445 | * PARAMETERS: State - The state object to be deleted |
446 | * |
446 | * |
447 | * RETURN: None |
447 | * RETURN: None |
448 | * |
448 | * |
449 | * DESCRIPTION: Release a state object to the state cache. NULL state objects |
449 | * DESCRIPTION: Release a state object to the state cache. NULL state objects |
450 | * are ignored. |
450 | * are ignored. |
451 | * |
451 | * |
452 | ******************************************************************************/ |
452 | ******************************************************************************/ |
453 | 453 | ||
454 | void |
454 | void |
455 | AcpiUtDeleteGenericState ( |
455 | AcpiUtDeleteGenericState ( |
456 | ACPI_GENERIC_STATE *State) |
456 | ACPI_GENERIC_STATE *State) |
457 | { |
457 | { |
458 | ACPI_FUNCTION_TRACE (UtDeleteGenericState); |
458 | ACPI_FUNCTION_TRACE (UtDeleteGenericState); |
459 | 459 | ||
460 | 460 | ||
461 | /* Ignore null state */ |
461 | /* Ignore null state */ |
462 | 462 | ||
463 | if (State) |
463 | if (State) |
464 | { |
464 | { |
465 | (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State); |
465 | (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State); |
466 | } |
466 | } |
467 | return_VOID; |
467 | return_VOID; |
468 | } |
468 | } |