1/*******************************************************************************
2 *
3 * Module Name: utstate - state object support procedures
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2012, Intel Corp.

--- 93 unchanged lines hidden (view full) ---

102 *
103 ******************************************************************************/
104
105void
106AcpiUtPushGenericState (
107 ACPI_GENERIC_STATE **ListHead,
108 ACPI_GENERIC_STATE *State)
109{
110 ACPI_FUNCTION_ENTRY ();
111
112
113 /* Push the state object onto the front of the list (stack) */
114
115 State->Common.Next = *ListHead;
116 *ListHead = State;
117 return;
118}
119
120
121/*******************************************************************************
122 *
123 * FUNCTION: AcpiUtPopGenericState
124 *
125 * PARAMETERS: ListHead - Head of the state stack

--- 6 unchanged lines hidden (view full) ---

132
133ACPI_GENERIC_STATE *
134AcpiUtPopGenericState (
135 ACPI_GENERIC_STATE **ListHead)
136{
137 ACPI_GENERIC_STATE *State;
138
139
140 ACPI_FUNCTION_ENTRY ();
141
142
143 /* Remove the state object at the head of the list (stack) */
144
145 State = *ListHead;
146 if (State)
147 {
148 /* Update the list head */
149
150 *ListHead = State->Common.Next;
151 }
152
153 return (State);
154}
155
156
157/*******************************************************************************
158 *
159 * FUNCTION: AcpiUtCreateGenericState
160 *
161 * PARAMETERS: None

--- 41 unchanged lines hidden (view full) ---

203
204ACPI_THREAD_STATE *
205AcpiUtCreateThreadState (
206 void)
207{
208 ACPI_GENERIC_STATE *State;
209
210
211 ACPI_FUNCTION_ENTRY ();
212
213
214 /* Create the generic state object */
215
216 State = AcpiUtCreateGenericState ();
217 if (!State)
218 {
219 return (NULL);
220 }
221
222 /* Init fields specific to the update struct */
223
224 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_THREAD;
225 State->Thread.ThreadId = AcpiOsGetThreadId ();
226
227 /* Check for invalid thread ID - zero is very bad, it will break things */
228
229 if (!State->Thread.ThreadId)
230 {
231 ACPI_ERROR ((AE_INFO, "Invalid zero ID from AcpiOsGetThreadId"));
232 State->Thread.ThreadId = (ACPI_THREAD_ID) 1;
233 }
234
235 return ((ACPI_THREAD_STATE *) State);
236}
237
238
239/*******************************************************************************
240 *
241 * FUNCTION: AcpiUtCreateUpdateState
242 *
243 * PARAMETERS: Object - Initial Object to be installed in the state

--- 10 unchanged lines hidden (view full) ---

254ACPI_GENERIC_STATE *
255AcpiUtCreateUpdateState (
256 ACPI_OPERAND_OBJECT *Object,
257 UINT16 Action)
258{
259 ACPI_GENERIC_STATE *State;
260
261
262 ACPI_FUNCTION_ENTRY ();
263
264
265 /* Create the generic state object */
266
267 State = AcpiUtCreateGenericState ();
268 if (!State)
269 {
270 return (NULL);
271 }
272
273 /* Init fields specific to the update struct */
274
275 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_UPDATE;
276 State->Update.Object = Object;
277 State->Update.Value = Action;
278 return (State);
279}
280
281
282/*******************************************************************************
283 *
284 * FUNCTION: AcpiUtCreatePkgState
285 *
286 * PARAMETERS: Object - Initial Object to be installed in the state

--- 9 unchanged lines hidden (view full) ---

296AcpiUtCreatePkgState (
297 void *InternalObject,
298 void *ExternalObject,
299 UINT16 Index)
300{
301 ACPI_GENERIC_STATE *State;
302
303
304 ACPI_FUNCTION_ENTRY ();
305
306
307 /* Create the generic state object */
308
309 State = AcpiUtCreateGenericState ();
310 if (!State)
311 {
312 return (NULL);
313 }
314
315 /* Init fields specific to the update struct */
316
317 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_PACKAGE;
318 State->Pkg.SourceObject = (ACPI_OPERAND_OBJECT *) InternalObject;
319 State->Pkg.DestObject = ExternalObject;
320 State->Pkg.Index= Index;
321 State->Pkg.NumPackages = 1;
322 return (State);
323}
324
325
326/*******************************************************************************
327 *
328 * FUNCTION: AcpiUtCreateControlState
329 *
330 * PARAMETERS: None

--- 7 unchanged lines hidden (view full) ---

338
339ACPI_GENERIC_STATE *
340AcpiUtCreateControlState (
341 void)
342{
343 ACPI_GENERIC_STATE *State;
344
345
346 ACPI_FUNCTION_ENTRY ();
347
348
349 /* Create the generic state object */
350
351 State = AcpiUtCreateGenericState ();
352 if (!State)
353 {
354 return (NULL);
355 }
356
357 /* Init fields specific to the control struct */
358
359 State->Common.DescriptorType = ACPI_DESC_TYPE_STATE_CONTROL;
360 State->Common.State = ACPI_CONTROL_CONDITIONAL_EXECUTING;
361 return (State);
362}
363
364
365/*******************************************************************************
366 *
367 * FUNCTION: AcpiUtDeleteGenericState
368 *
369 * PARAMETERS: State - The state object to be deleted

--- 4 unchanged lines hidden (view full) ---

374 * are ignored.
375 *
376 ******************************************************************************/
377
378void
379AcpiUtDeleteGenericState (
380 ACPI_GENERIC_STATE *State)
381{
382 ACPI_FUNCTION_ENTRY ();
383
384
385 /* Ignore null state */
386
387 if (State)
388 {
389 (void) AcpiOsReleaseObject (AcpiGbl_StateCache, State);
390 }
391 return;
392}