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utstate.c (151937) utstate.c (167802)
1/*******************************************************************************
2 *
3 * Module Name: utstate - state object support procedures
1/*******************************************************************************
2 *
3 * Module Name: utstate - state object support procedures
4 * $Revision: 1.2 $
4 * $Revision: 1.8 $
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
5 *
6 ******************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2005, Intel Corp.
12 * Some or all of this work - Copyright (c) 1999 - 2007, Intel Corp.
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.

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174 *
175 ******************************************************************************/
176
177void
178AcpiUtPushGenericState (
179 ACPI_GENERIC_STATE **ListHead,
180 ACPI_GENERIC_STATE *State)
181{
13 * All rights reserved.
14 *
15 * 2. License
16 *
17 * 2.1. This is your license from Intel Corp. under its intellectual property
18 * rights. You may have additional license terms from the party that provided
19 * you this software, covering your right to use that party's intellectual
20 * property rights.

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174 *
175 ******************************************************************************/
176
177void
178AcpiUtPushGenericState (
179 ACPI_GENERIC_STATE **ListHead,
180 ACPI_GENERIC_STATE *State)
181{
182 ACPI_FUNCTION_TRACE ("UtPushGenericState");
182 ACPI_FUNCTION_TRACE (UtPushGenericState);
183
184
185 /* Push the state object onto the front of the list (stack) */
186
187 State->Common.Next = *ListHead;
188 *ListHead = State;
189
190 return_VOID;

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205
206ACPI_GENERIC_STATE *
207AcpiUtPopGenericState (
208 ACPI_GENERIC_STATE **ListHead)
209{
210 ACPI_GENERIC_STATE *State;
211
212
183
184
185 /* Push the state object onto the front of the list (stack) */
186
187 State->Common.Next = *ListHead;
188 *ListHead = State;
189
190 return_VOID;

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205
206ACPI_GENERIC_STATE *
207AcpiUtPopGenericState (
208 ACPI_GENERIC_STATE **ListHead)
209{
210 ACPI_GENERIC_STATE *State;
211
212
213 ACPI_FUNCTION_TRACE ("UtPopGenericState");
213 ACPI_FUNCTION_TRACE (UtPopGenericState);
214
215
216 /* Remove the state object at the head of the list (stack) */
217
218 State = *ListHead;
219 if (State)
220 {
221 /* Update the list head */

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249
250 ACPI_FUNCTION_ENTRY ();
251
252
253 State = AcpiOsAcquireObject (AcpiGbl_StateCache);
254 if (State)
255 {
256 /* Initialize */
214
215
216 /* Remove the state object at the head of the list (stack) */
217
218 State = *ListHead;
219 if (State)
220 {
221 /* Update the list head */

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249
250 ACPI_FUNCTION_ENTRY ();
251
252
253 State = AcpiOsAcquireObject (AcpiGbl_StateCache);
254 if (State)
255 {
256 /* Initialize */
257 State->Common.DataType = ACPI_DESC_TYPE_STATE;
257 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE;
258 }
259
260 return (State);
261}
262
263
264/*******************************************************************************
265 *

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276
277ACPI_THREAD_STATE *
278AcpiUtCreateThreadState (
279 void)
280{
281 ACPI_GENERIC_STATE *State;
282
283
258 }
259
260 return (State);
261}
262
263
264/*******************************************************************************
265 *

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276
277ACPI_THREAD_STATE *
278AcpiUtCreateThreadState (
279 void)
280{
281 ACPI_GENERIC_STATE *State;
282
283
284 ACPI_FUNCTION_TRACE ("UtCreateThreadState");
284 ACPI_FUNCTION_TRACE (UtCreateThreadState);
285
286
287 /* Create the generic state object */
288
289 State = AcpiUtCreateGenericState ();
290 if (!State)
291 {
292 return_PTR (NULL);
293 }
294
295 /* Init fields specific to the update struct */
296
285
286
287 /* Create the generic state object */
288
289 State = AcpiUtCreateGenericState ();
290 if (!State)
291 {
292 return_PTR (NULL);
293 }
294
295 /* Init fields specific to the update struct */
296
297 State->Common.DataType = ACPI_DESC_TYPE_STATE_THREAD;
297 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD;
298 State->Thread.ThreadId = AcpiOsGetThreadId ();
299
298 State->Thread.ThreadId = AcpiOsGetThreadId ();
299
300 /* Check for invalid thread ID - zero is very bad, it will break things */
301
302 if (!State->Thread.ThreadId)
303 {
304 ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
305 State->Thread.ThreadId = 1;
306 }
307
300 return_PTR ((ACPI_THREAD_STATE *) State);
301}
302
303
304/*******************************************************************************
305 *
306 * FUNCTION: AcpiUtCreateUpdateState
307 *

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319ACPI_GENERIC_STATE *
320AcpiUtCreateUpdateState (
321 ACPI_OPERAND_OBJECT *Object,
322 UINT16 Action)
323{
324 ACPI_GENERIC_STATE *State;
325
326
308 return_PTR ((ACPI_THREAD_STATE *) State);
309}
310
311
312/*******************************************************************************
313 *
314 * FUNCTION: AcpiUtCreateUpdateState
315 *

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327ACPI_GENERIC_STATE *
328AcpiUtCreateUpdateState (
329 ACPI_OPERAND_OBJECT *Object,
330 UINT16 Action)
331{
332 ACPI_GENERIC_STATE *State;
333
334
327 ACPI_FUNCTION_TRACE_PTR ("UtCreateUpdateState", Object);
335 ACPI_FUNCTION_TRACE_PTR (UtCreateUpdateState, Object);
328
329
330 /* Create the generic state object */
331
332 State = AcpiUtCreateGenericState ();
333 if (!State)
334 {
335 return_PTR (NULL);
336 }
337
338 /* Init fields specific to the update struct */
339
336
337
338 /* Create the generic state object */
339
340 State = AcpiUtCreateGenericState ();
341 if (!State)
342 {
343 return_PTR (NULL);
344 }
345
346 /* Init fields specific to the update struct */
347
340 State->Common.DataType = ACPI_DESC_TYPE_STATE_UPDATE;
348 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE;
341 State->Update.Object = Object;
349 State->Update.Object = Object;
342 State->Update.Value = Action;
350 State->Update.Value = Action;
343
344 return_PTR (State);
345}
346
347
348/*******************************************************************************
349 *
350 * FUNCTION: AcpiUtCreatePkgState

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362AcpiUtCreatePkgState (
363 void *InternalObject,
364 void *ExternalObject,
365 UINT16 Index)
366{
367 ACPI_GENERIC_STATE *State;
368
369
351
352 return_PTR (State);
353}
354
355
356/*******************************************************************************
357 *
358 * FUNCTION: AcpiUtCreatePkgState

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370AcpiUtCreatePkgState (
371 void *InternalObject,
372 void *ExternalObject,
373 UINT16 Index)
374{
375 ACPI_GENERIC_STATE *State;
376
377
370 ACPI_FUNCTION_TRACE_PTR ("UtCreatePkgState", InternalObject);
378 ACPI_FUNCTION_TRACE_PTR (UtCreatePkgState, InternalObject);
371
372
373 /* Create the generic state object */
374
375 State = AcpiUtCreateGenericState ();
376 if (!State)
377 {
378 return_PTR (NULL);
379 }
380
381 /* Init fields specific to the update struct */
382
379
380
381 /* Create the generic state object */
382
383 State = AcpiUtCreateGenericState ();
384 if (!State)
385 {
386 return_PTR (NULL);
387 }
388
389 /* Init fields specific to the update struct */
390
383 State->Common.DataType = ACPI_DESC_TYPE_STATE_PACKAGE;
391 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE;
384 State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
392 State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
385 State->Pkg.DestObject = ExternalObject;
386 State->Pkg.Index = Index;
387 State->Pkg.NumPackages = 1;
393 State->Pkg.DestObject = ExternalObject;
394 State->Pkg.Index= Index;
395 State->Pkg.NumPackages = 1;
388
389 return_PTR (State);
390}
391
392
393/*******************************************************************************
394 *
395 * FUNCTION: AcpiUtCreateControlState

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405
406ACPI_GENERIC_STATE *
407AcpiUtCreateControlState (
408 void)
409{
410 ACPI_GENERIC_STATE *State;
411
412
396
397 return_PTR (State);
398}
399
400
401/*******************************************************************************
402 *
403 * FUNCTION: AcpiUtCreateControlState

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413
414ACPI_GENERIC_STATE *
415AcpiUtCreateControlState (
416 void)
417{
418 ACPI_GENERIC_STATE *State;
419
420
413 ACPI_FUNCTION_TRACE ("UtCreateControlState");
421 ACPI_FUNCTION_TRACE (UtCreateControlState);
414
415
416 /* Create the generic state object */
417
418 State = AcpiUtCreateGenericState ();
419 if (!State)
420 {
421 return_PTR (NULL);
422 }
423
424 /* Init fields specific to the control struct */
425
422
423
424 /* Create the generic state object */
425
426 State = AcpiUtCreateGenericState ();
427 if (!State)
428 {
429 return_PTR (NULL);
430 }
431
432 /* Init fields specific to the control struct */
433
426 State->Common.DataType = ACPI_DESC_TYPE_STATE_CONTROL;
427 State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
434 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL;
435 State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
428
429 return_PTR (State);
430}
431
432
433/*******************************************************************************
434 *
435 * FUNCTION: AcpiUtDeleteGenericState
436 *
437 * PARAMETERS: State - The state object to be deleted
438 *
439 * RETURN: None
440 *
436
437 return_PTR (State);
438}
439
440
441/*******************************************************************************
442 *
443 * FUNCTION: AcpiUtDeleteGenericState
444 *
445 * PARAMETERS: State - The state object to be deleted
446 *
447 * RETURN: None
448 *
441 * DESCRIPTION: Put a state object back into the global state cache. The object
442 * is not actually freed at this time.
449 * DESCRIPTION: Release a state object to the state cache. NULL state objects
450 * are ignored.
443 *
444 ******************************************************************************/
445
446void
447AcpiUtDeleteGenericState (
448 ACPI_GENERIC_STATE *State)
449{
451 *
452 ******************************************************************************/
453
454void
455AcpiUtDeleteGenericState (
456 ACPI_GENERIC_STATE *State)
457{
450 ACPI_FUNCTION_TRACE ("UtDeleteGenericState");
458 ACPI_FUNCTION_TRACE (UtDeleteGenericState);
451
452
459
460
453 (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
461 /* Ignore null state */
462
463 if (State)
464 {
465 (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
466 }
454 return_VOID;
455}
456
457
467 return_VOID;
468}
469
470