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psxface.c (126372) psxface.c (129684)
1/******************************************************************************
2 *
3 * Module Name: psxface - Parser external interfaces
1/******************************************************************************
2 *
3 * Module Name: psxface - Parser external interfaces
4 * $Revision: 71 $
4 * $Revision: 75 $
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.

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

126#define _COMPONENT ACPI_PARSER
127 ACPI_MODULE_NAME ("psxface")
128
129
130/*******************************************************************************
131 *
132 * FUNCTION: AcpiPsxExecute
133 *
5 *
6 *****************************************************************************/
7
8/******************************************************************************
9 *
10 * 1. Copyright Notice
11 *
12 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.

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

126#define _COMPONENT ACPI_PARSER
127 ACPI_MODULE_NAME ("psxface")
128
129
130/*******************************************************************************
131 *
132 * FUNCTION: AcpiPsxExecute
133 *
134 * PARAMETERS: MethodNode - A method object containing both the AML
134 * PARAMETERS: Info->Node - A method object containing both the AML
135 * address and length.
136 * **Params - List of parameters to pass to method,
137 * terminated by NULL. Params itself may be
138 * NULL if no parameters are being passed.
139 * **ReturnObjDesc - Return object from execution of the
140 * method.
141 *
142 * RETURN: Status
143 *
144 * DESCRIPTION: Execute a control method
145 *
146 ******************************************************************************/
147
148ACPI_STATUS
149AcpiPsxExecute (
135 * address and length.
136 * **Params - List of parameters to pass to method,
137 * terminated by NULL. Params itself may be
138 * NULL if no parameters are being passed.
139 * **ReturnObjDesc - Return object from execution of the
140 * method.
141 *
142 * RETURN: Status
143 *
144 * DESCRIPTION: Execute a control method
145 *
146 ******************************************************************************/
147
148ACPI_STATUS
149AcpiPsxExecute (
150 ACPI_NAMESPACE_NODE *MethodNode,
151 ACPI_OPERAND_OBJECT **Params,
152 ACPI_OPERAND_OBJECT **ReturnObjDesc)
150 ACPI_PARAMETER_INFO *Info)
153{
154 ACPI_STATUS Status;
155 ACPI_OPERAND_OBJECT *ObjDesc;
156 UINT32 i;
157 ACPI_PARSE_OBJECT *Op;
158 ACPI_WALK_STATE *WalkState;
159
160
161 ACPI_FUNCTION_TRACE ("PsxExecute");
162
163
164 /* Validate the Node and get the attached object */
165
151{
152 ACPI_STATUS Status;
153 ACPI_OPERAND_OBJECT *ObjDesc;
154 UINT32 i;
155 ACPI_PARSE_OBJECT *Op;
156 ACPI_WALK_STATE *WalkState;
157
158
159 ACPI_FUNCTION_TRACE ("PsxExecute");
160
161
162 /* Validate the Node and get the attached object */
163
166 if (!MethodNode)
164 if (!Info || !Info->Node)
167 {
168 return_ACPI_STATUS (AE_NULL_ENTRY);
169 }
170
165 {
166 return_ACPI_STATUS (AE_NULL_ENTRY);
167 }
168
171 ObjDesc = AcpiNsGetAttachedObject (MethodNode);
169 ObjDesc = AcpiNsGetAttachedObject (Info->Node);
172 if (!ObjDesc)
173 {
174 return_ACPI_STATUS (AE_NULL_OBJECT);
175 }
176
177 /* Init for new method, wait on concurrency semaphore */
178
170 if (!ObjDesc)
171 {
172 return_ACPI_STATUS (AE_NULL_OBJECT);
173 }
174
175 /* Init for new method, wait on concurrency semaphore */
176
179 Status = AcpiDsBeginMethodExecution (MethodNode, ObjDesc, NULL);
177 Status = AcpiDsBeginMethodExecution (Info->Node, ObjDesc, NULL);
180 if (ACPI_FAILURE (Status))
181 {
182 return_ACPI_STATUS (Status);
183 }
184
178 if (ACPI_FAILURE (Status))
179 {
180 return_ACPI_STATUS (Status);
181 }
182
185 if (Params)
183 if ((Info->ParameterType == ACPI_PARAM_ARGS) &&
184 (Info->Parameters))
186 {
187 /*
188 * The caller "owns" the parameters, so give each one an extra
189 * reference
190 */
185 {
186 /*
187 * The caller "owns" the parameters, so give each one an extra
188 * reference
189 */
191 for (i = 0; Params[i]; i++)
190 for (i = 0; Info->Parameters[i]; i++)
192 {
191 {
193 AcpiUtAddReference (Params[i]);
192 AcpiUtAddReference (Info->Parameters[i]);
194 }
195 }
196
197 /*
198 * 1) Perform the first pass parse of the method to enter any
199 * named objects that it creates into the namespace
200 */
201 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
202 "**** Begin Method Parse **** Entry=%p obj=%p\n",
193 }
194 }
195
196 /*
197 * 1) Perform the first pass parse of the method to enter any
198 * named objects that it creates into the namespace
199 */
200 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
201 "**** Begin Method Parse **** Entry=%p obj=%p\n",
203 MethodNode, ObjDesc));
202 Info->Node, ObjDesc));
204
205 /* Create and init a Root Node */
206
207 Op = AcpiPsCreateScopeOp ();
208 if (!Op)
209 {
210 Status = AE_NO_MEMORY;
211 goto Cleanup1;

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

223 WalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwningId,
224 NULL, NULL, NULL);
225 if (!WalkState)
226 {
227 Status = AE_NO_MEMORY;
228 goto Cleanup2;
229 }
230
203
204 /* Create and init a Root Node */
205
206 Op = AcpiPsCreateScopeOp ();
207 if (!Op)
208 {
209 Status = AE_NO_MEMORY;
210 goto Cleanup1;

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

222 WalkState = AcpiDsCreateWalkState (ObjDesc->Method.OwningId,
223 NULL, NULL, NULL);
224 if (!WalkState)
225 {
226 Status = AE_NO_MEMORY;
227 goto Cleanup2;
228 }
229
231 Status = AcpiDsInitAmlWalk (WalkState, Op, MethodNode, ObjDesc->Method.AmlStart,
232 ObjDesc->Method.AmlLength, NULL, NULL, 1);
230 Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node,
231 ObjDesc->Method.AmlStart,
232 ObjDesc->Method.AmlLength, NULL, 1);
233 if (ACPI_FAILURE (Status))
234 {
235 goto Cleanup3;
236 }
237
238 /* Parse the AML */
239
240 Status = AcpiPsParseAml (WalkState);
241 AcpiPsDeleteParseTree (Op);
242 if (ACPI_FAILURE (Status))
243 {
244 goto Cleanup1; /* Walk state is already deleted */
233 if (ACPI_FAILURE (Status))
234 {
235 goto Cleanup3;
236 }
237
238 /* Parse the AML */
239
240 Status = AcpiPsParseAml (WalkState);
241 AcpiPsDeleteParseTree (Op);
242 if (ACPI_FAILURE (Status))
243 {
244 goto Cleanup1; /* Walk state is already deleted */
245
246 }
247
248 /*
249 * 2) Execute the method. Performs second pass parse simultaneously
250 */
251 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
252 "**** Begin Method Execution **** Entry=%p obj=%p\n",
245 }
246
247 /*
248 * 2) Execute the method. Performs second pass parse simultaneously
249 */
250 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
251 "**** Begin Method Execution **** Entry=%p obj=%p\n",
253 MethodNode, ObjDesc));
252 Info->Node, ObjDesc));
254
255 /* Create and init a Root Node */
256
257 Op = AcpiPsCreateScopeOp ();
258 if (!Op)
259 {
260 Status = AE_NO_MEMORY;
261 goto Cleanup1;
262 }
263
264 /* Init new op with the method name and pointer back to the NS node */
265
253
254 /* Create and init a Root Node */
255
256 Op = AcpiPsCreateScopeOp ();
257 if (!Op)
258 {
259 Status = AE_NO_MEMORY;
260 goto Cleanup1;
261 }
262
263 /* Init new op with the method name and pointer back to the NS node */
264
266 AcpiPsSetName (Op, MethodNode->Name.Integer);
267 Op->Common.Node = MethodNode;
265 AcpiPsSetName (Op, Info->Node->Name.Integer);
266 Op->Common.Node = Info->Node;
268
269 /* Create and initialize a new walk state */
270
271 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
272 if (!WalkState)
273 {
274 Status = AE_NO_MEMORY;
275 goto Cleanup2;
276 }
277
267
268 /* Create and initialize a new walk state */
269
270 WalkState = AcpiDsCreateWalkState (0, NULL, NULL, NULL);
271 if (!WalkState)
272 {
273 Status = AE_NO_MEMORY;
274 goto Cleanup2;
275 }
276
278 Status = AcpiDsInitAmlWalk (WalkState, Op, MethodNode, ObjDesc->Method.AmlStart,
279 ObjDesc->Method.AmlLength, Params, ReturnObjDesc, 3);
277 Status = AcpiDsInitAmlWalk (WalkState, Op, Info->Node,
278 ObjDesc->Method.AmlStart,
279 ObjDesc->Method.AmlLength, Info, 3);
280 if (ACPI_FAILURE (Status))
281 {
282 goto Cleanup3;
283 }
284
285 /*
286 * The walk of the parse tree is where we actually execute the method
287 */
288 Status = AcpiPsParseAml (WalkState);
289 goto Cleanup2; /* Walk state already deleted */
290
291
292Cleanup3:
293 AcpiDsDeleteWalkState (WalkState);
294
295Cleanup2:
296 AcpiPsDeleteParseTree (Op);
297
298Cleanup1:
280 if (ACPI_FAILURE (Status))
281 {
282 goto Cleanup3;
283 }
284
285 /*
286 * The walk of the parse tree is where we actually execute the method
287 */
288 Status = AcpiPsParseAml (WalkState);
289 goto Cleanup2; /* Walk state already deleted */
290
291
292Cleanup3:
293 AcpiDsDeleteWalkState (WalkState);
294
295Cleanup2:
296 AcpiPsDeleteParseTree (Op);
297
298Cleanup1:
299 if (Params)
299 if ((Info->ParameterType == ACPI_PARAM_ARGS) &&
300 (Info->Parameters))
300 {
301 /* Take away the extra reference that we gave the parameters above */
302
301 {
302 /* Take away the extra reference that we gave the parameters above */
303
303 for (i = 0; Params[i]; i++)
304 for (i = 0; Info->Parameters[i]; i++)
304 {
305 /* Ignore errors, just do them all */
306
305 {
306 /* Ignore errors, just do them all */
307
307 (void) AcpiUtUpdateObjectReference (Params[i], REF_DECREMENT);
308 (void) AcpiUtUpdateObjectReference (Info->Parameters[i], REF_DECREMENT);
308 }
309 }
310
311 if (ACPI_FAILURE (Status))
312 {
313 return_ACPI_STATUS (Status);
314 }
315
316 /*
317 * If the method has returned an object, signal this to the caller with
318 * a control exception code
319 */
309 }
310 }
311
312 if (ACPI_FAILURE (Status))
313 {
314 return_ACPI_STATUS (Status);
315 }
316
317 /*
318 * If the method has returned an object, signal this to the caller with
319 * a control exception code
320 */
320 if (*ReturnObjDesc)
321 if (Info->ReturnObject)
321 {
322 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
322 {
323 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
323 *ReturnObjDesc));
324 ACPI_DUMP_STACK_ENTRY (*ReturnObjDesc);
324 Info->ReturnObject));
325 ACPI_DUMP_STACK_ENTRY (Info->ReturnObject);
325
326 Status = AE_CTRL_RETURN_VALUE;
327 }
328
329 return_ACPI_STATUS (Status);
330}
331
332
326
327 Status = AE_CTRL_RETURN_VALUE;
328 }
329
330 return_ACPI_STATUS (Status);
331}
332
333