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-rw-r--r--drivers/acpi/dispatcher/dsfield.c58
-rw-r--r--drivers/acpi/dispatcher/dsinit.c28
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c11
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c195
-rw-r--r--drivers/acpi/dispatcher/dsobject.c79
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c105
-rw-r--r--drivers/acpi/dispatcher/dsutils.c41
-rw-r--r--drivers/acpi/dispatcher/dswexec.c57
-rw-r--r--drivers/acpi/dispatcher/dswload.c118
-rw-r--r--drivers/acpi/dispatcher/dswscope.c31
-rw-r--r--drivers/acpi/dispatcher/dswstate.c458
11 files changed, 684 insertions, 497 deletions
diff --git a/drivers/acpi/dispatcher/dsfield.c b/drivers/acpi/dispatcher/dsfield.c
index 2779211be756..84193983d6ba 100644
--- a/drivers/acpi/dispatcher/dsfield.c
+++ b/drivers/acpi/dispatcher/dsfield.c
@@ -53,13 +53,20 @@
53#define _COMPONENT ACPI_DISPATCHER 53#define _COMPONENT ACPI_DISPATCHER
54 ACPI_MODULE_NAME ("dsfield") 54 ACPI_MODULE_NAME ("dsfield")
55 55
56/* Local prototypes */
57
58static acpi_status
59acpi_ds_get_field_names (
60 struct acpi_create_field_info *info,
61 struct acpi_walk_state *walk_state,
62 union acpi_parse_object *arg);
63
56 64
57/******************************************************************************* 65/*******************************************************************************
58 * 66 *
59 * FUNCTION: acpi_ds_create_buffer_field 67 * FUNCTION: acpi_ds_create_buffer_field
60 * 68 *
61 * PARAMETERS: Opcode - The opcode to be executed 69 * PARAMETERS: Op - Current parse op (create_xXField)
62 * Operands - List of operands for the opcode
63 * walk_state - Current state 70 * walk_state - Current state
64 * 71 *
65 * RETURN: Status 72 * RETURN: Status
@@ -70,7 +77,7 @@
70 * create_word_field_op, 77 * create_word_field_op,
71 * create_dword_field_op, 78 * create_dword_field_op,
72 * create_qword_field_op, 79 * create_qword_field_op,
73 * create_field_op (all of which define fields in buffers) 80 * create_field_op (all of which define a field in a buffer)
74 * 81 *
75 ******************************************************************************/ 82 ******************************************************************************/
76 83
@@ -119,7 +126,8 @@ acpi_ds_create_buffer_field (
119 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE; 126 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE;
120 } 127 }
121 else { 128 else {
122 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND; 129 flags = ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
130 ACPI_NS_ERROR_IF_FOUND;
123 } 131 }
124 132
125 /* 133 /*
@@ -134,16 +142,16 @@ acpi_ds_create_buffer_field (
134 } 142 }
135 } 143 }
136 144
137 /* We could put the returned object (Node) on the object stack for later, but 145 /* We could put the returned object (Node) on the object stack for later,
138 * for now, we will put it in the "op" object that the parser uses, so we 146 * but for now, we will put it in the "op" object that the parser uses,
139 * can get it again at the end of this scope 147 * so we can get it again at the end of this scope
140 */ 148 */
141 op->common.node = node; 149 op->common.node = node;
142 150
143 /* 151 /*
144 * If there is no object attached to the node, this node was just created and 152 * If there is no object attached to the node, this node was just created
145 * we need to create the field object. Otherwise, this was a lookup of an 153 * and we need to create the field object. Otherwise, this was a lookup
146 * existing node and we don't want to create the field object again. 154 * of an existing node and we don't want to create the field object again.
147 */ 155 */
148 obj_desc = acpi_ns_get_attached_object (node); 156 obj_desc = acpi_ns_get_attached_object (node);
149 if (obj_desc) { 157 if (obj_desc) {
@@ -205,7 +213,7 @@ cleanup:
205 * 213 *
206 ******************************************************************************/ 214 ******************************************************************************/
207 215
208acpi_status 216static acpi_status
209acpi_ds_get_field_names ( 217acpi_ds_get_field_names (
210 struct acpi_create_field_info *info, 218 struct acpi_create_field_info *info,
211 struct acpi_walk_state *walk_state, 219 struct acpi_walk_state *walk_state,
@@ -238,7 +246,8 @@ acpi_ds_get_field_names (
238 + (acpi_integer) arg->common.value.size; 246 + (acpi_integer) arg->common.value.size;
239 247
240 if (position > ACPI_UINT32_MAX) { 248 if (position > ACPI_UINT32_MAX) {
241 ACPI_REPORT_ERROR (("Bit offset within field too large (> 0xFFFFFFFF)\n")); 249 ACPI_REPORT_ERROR ((
250 "Bit offset within field too large (> 0xFFFFFFFF)\n"));
242 return_ACPI_STATUS (AE_SUPPORT); 251 return_ACPI_STATUS (AE_SUPPORT);
243 } 252 }
244 253
@@ -250,12 +259,15 @@ acpi_ds_get_field_names (
250 259
251 /* 260 /*
252 * Get a new access_type and access_attribute -- to be used for all 261 * Get a new access_type and access_attribute -- to be used for all
253 * field units that follow, until field end or another access_as keyword. 262 * field units that follow, until field end or another access_as
263 * keyword.
254 * 264 *
255 * In field_flags, preserve the flag bits other than the ACCESS_TYPE bits 265 * In field_flags, preserve the flag bits other than the
266 * ACCESS_TYPE bits
256 */ 267 */
257 info->field_flags = (u8) ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) | 268 info->field_flags = (u8)
258 ((u8) ((u32) arg->common.value.integer >> 8))); 269 ((info->field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) |
270 ((u8) ((u32) arg->common.value.integer >> 8)));
259 271
260 info->attribute = (u8) (arg->common.value.integer); 272 info->attribute = (u8) (arg->common.value.integer);
261 break; 273 break;
@@ -267,7 +279,8 @@ acpi_ds_get_field_names (
267 279
268 status = acpi_ns_lookup (walk_state->scope_info, 280 status = acpi_ns_lookup (walk_state->scope_info,
269 (char *) &arg->named.name, 281 (char *) &arg->named.name,
270 info->field_type, ACPI_IMODE_EXECUTE, ACPI_NS_DONT_OPEN_SCOPE, 282 info->field_type, ACPI_IMODE_EXECUTE,
283 ACPI_NS_DONT_OPEN_SCOPE,
271 walk_state, &info->field_node); 284 walk_state, &info->field_node);
272 if (ACPI_FAILURE (status)) { 285 if (ACPI_FAILURE (status)) {
273 ACPI_REPORT_NSERROR ((char *) &arg->named.name, status); 286 ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);
@@ -295,8 +308,9 @@ acpi_ds_get_field_names (
295 + (acpi_integer) arg->common.value.size; 308 + (acpi_integer) arg->common.value.size;
296 309
297 if (position > ACPI_UINT32_MAX) { 310 if (position > ACPI_UINT32_MAX) {
298 ACPI_REPORT_ERROR (("Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n", 311 ACPI_REPORT_ERROR ((
299 (char *) &info->field_node->name)); 312 "Field [%4.4s] bit offset too large (> 0xFFFFFFFF)\n",
313 (char *) &info->field_node->name));
300 return_ACPI_STATUS (AE_SUPPORT); 314 return_ACPI_STATUS (AE_SUPPORT);
301 } 315 }
302 316
@@ -306,7 +320,8 @@ acpi_ds_get_field_names (
306 320
307 default: 321 default:
308 322
309 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Invalid opcode in field list: %X\n", 323 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
324 "Invalid opcode in field list: %X\n",
310 arg->common.aml_opcode)); 325 arg->common.aml_opcode));
311 return_ACPI_STATUS (AE_AML_BAD_OPCODE); 326 return_ACPI_STATUS (AE_AML_BAD_OPCODE);
312 } 327 }
@@ -435,7 +450,8 @@ acpi_ds_init_field_objects (
435 status = acpi_ns_lookup (walk_state->scope_info, 450 status = acpi_ns_lookup (walk_state->scope_info,
436 (char *) &arg->named.name, 451 (char *) &arg->named.name,
437 type, ACPI_IMODE_LOAD_PASS1, 452 type, ACPI_IMODE_LOAD_PASS1,
438 ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE | ACPI_NS_ERROR_IF_FOUND, 453 ACPI_NS_NO_UPSEARCH | ACPI_NS_DONT_OPEN_SCOPE |
454 ACPI_NS_ERROR_IF_FOUND,
439 walk_state, &node); 455 walk_state, &node);
440 if (ACPI_FAILURE (status)) { 456 if (ACPI_FAILURE (status)) {
441 ACPI_REPORT_NSERROR ((char *) &arg->named.name, status); 457 ACPI_REPORT_NSERROR ((char *) &arg->named.name, status);
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index b4d264dbbf67..d7790db50178 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -49,12 +49,21 @@
49#define _COMPONENT ACPI_DISPATCHER 49#define _COMPONENT ACPI_DISPATCHER
50 ACPI_MODULE_NAME ("dsinit") 50 ACPI_MODULE_NAME ("dsinit")
51 51
52/* Local prototypes */
53
54static acpi_status
55acpi_ds_init_one_object (
56 acpi_handle obj_handle,
57 u32 level,
58 void *context,
59 void **return_value);
60
52 61
53/******************************************************************************* 62/*******************************************************************************
54 * 63 *
55 * FUNCTION: acpi_ds_init_one_object 64 * FUNCTION: acpi_ds_init_one_object
56 * 65 *
57 * PARAMETERS: obj_handle - Node 66 * PARAMETERS: obj_handle - Node for the object
58 * Level - Current nesting level 67 * Level - Current nesting level
59 * Context - Points to a init info struct 68 * Context - Points to a init info struct
60 * return_value - Not used 69 * return_value - Not used
@@ -70,7 +79,7 @@
70 * 79 *
71 ******************************************************************************/ 80 ******************************************************************************/
72 81
73acpi_status 82static acpi_status
74acpi_ds_init_one_object ( 83acpi_ds_init_one_object (
75 acpi_handle obj_handle, 84 acpi_handle obj_handle,
76 u32 level, 85 u32 level,
@@ -105,7 +114,8 @@ acpi_ds_init_one_object (
105 114
106 status = acpi_ds_initialize_region (obj_handle); 115 status = acpi_ds_initialize_region (obj_handle);
107 if (ACPI_FAILURE (status)) { 116 if (ACPI_FAILURE (status)) {
108 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Region %p [%4.4s] - Init failure, %s\n", 117 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
118 "Region %p [%4.4s] - Init failure, %s\n",
109 obj_handle, acpi_ut_get_node_name (obj_handle), 119 obj_handle, acpi_ut_get_node_name (obj_handle),
110 acpi_format_exception (status))); 120 acpi_format_exception (status)));
111 } 121 }
@@ -118,8 +128,10 @@ acpi_ds_init_one_object (
118 128
119 info->method_count++; 129 info->method_count++;
120 130
121 /* Print a dot for each method unless we are going to print the entire pathname */ 131 /*
122 132 * Print a dot for each method unless we are going to print
133 * the entire pathname
134 */
123 if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) { 135 if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
124 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); 136 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, "."));
125 } 137 }
@@ -140,7 +152,8 @@ acpi_ds_init_one_object (
140 */ 152 */
141 status = acpi_ds_parse_method (obj_handle); 153 status = acpi_ds_parse_method (obj_handle);
142 if (ACPI_FAILURE (status)) { 154 if (ACPI_FAILURE (status)) {
143 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Method %p [%4.4s] - parse failure, %s\n", 155 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
156 "Method %p [%4.4s] - parse failure, %s\n",
144 obj_handle, acpi_ut_get_node_name (obj_handle), 157 obj_handle, acpi_ut_get_node_name (obj_handle),
145 acpi_format_exception (status))); 158 acpi_format_exception (status)));
146 159
@@ -154,7 +167,8 @@ acpi_ds_init_one_object (
154 * for every execution since there isn't much overhead 167 * for every execution since there isn't much overhead
155 */ 168 */
156 acpi_ns_delete_namespace_subtree (obj_handle); 169 acpi_ns_delete_namespace_subtree (obj_handle);
157 acpi_ns_delete_namespace_by_owner (((struct acpi_namespace_node *) obj_handle)->object->method.owning_id); 170 acpi_ns_delete_namespace_by_owner (
171 ((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
158 break; 172 break;
159 173
160 174
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 9f0456cb9bb5..9fc3f4c033eb 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -153,12 +153,11 @@ acpi_ds_parse_method (
153 /* 153 /*
154 * Parse the method, first pass 154 * Parse the method, first pass
155 * 155 *
156 * The first pass load is where newly declared named objects are 156 * The first pass load is where newly declared named objects are added into
157 * added into the namespace. Actual evaluation of 157 * the namespace. Actual evaluation of the named objects (what would be
158 * the named objects (what would be called a "second 158 * called a "second pass") happens during the actual execution of the
159 * pass") happens during the actual execution of the 159 * method so that operands to the named objects can take on dynamic
160 * method so that operands to the named objects can 160 * run-time values.
161 * take on dynamic run-time values.
162 */ 161 */
163 status = acpi_ps_parse_aml (walk_state); 162 status = acpi_ps_parse_aml (walk_state);
164 if (ACPI_FAILURE (status)) { 163 if (ACPI_FAILURE (status)) {
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f31d095f9833..f7998306f756 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -52,6 +52,29 @@
52#define _COMPONENT ACPI_DISPATCHER 52#define _COMPONENT ACPI_DISPATCHER
53 ACPI_MODULE_NAME ("dsmthdat") 53 ACPI_MODULE_NAME ("dsmthdat")
54 54
55/* Local prototypes */
56
57static void
58acpi_ds_method_data_delete_value (
59 u16 opcode,
60 u32 index,
61 struct acpi_walk_state *walk_state);
62
63static acpi_status
64acpi_ds_method_data_set_value (
65 u16 opcode,
66 u32 index,
67 union acpi_operand_object *object,
68 struct acpi_walk_state *walk_state);
69
70#ifdef ACPI_OBSOLETE_FUNCTIONS
71acpi_object_type
72acpi_ds_method_data_get_type (
73 u16 opcode,
74 u32 index,
75 struct acpi_walk_state *walk_state);
76#endif
77
55 78
56/******************************************************************************* 79/*******************************************************************************
57 * 80 *
@@ -62,8 +85,8 @@
62 * RETURN: Status 85 * RETURN: Status
63 * 86 *
64 * DESCRIPTION: Initialize the data structures that hold the method's arguments 87 * DESCRIPTION: Initialize the data structures that hold the method's arguments
65 * and locals. The data struct is an array of NTEs for each. 88 * and locals. The data struct is an array of namespace nodes for
66 * This allows ref_of and de_ref_of to work properly for these 89 * each - this allows ref_of and de_ref_of to work properly for these
67 * special data types. 90 * special data types.
68 * 91 *
69 * NOTES: walk_state fields are initialized to zero by the 92 * NOTES: walk_state fields are initialized to zero by the
@@ -92,7 +115,8 @@ acpi_ds_method_data_init (
92 walk_state->arguments[i].name.integer |= (i << 24); 115 walk_state->arguments[i].name.integer |= (i << 24);
93 walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED; 116 walk_state->arguments[i].descriptor = ACPI_DESC_TYPE_NAMED;
94 walk_state->arguments[i].type = ACPI_TYPE_ANY; 117 walk_state->arguments[i].type = ACPI_TYPE_ANY;
95 walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_ARG; 118 walk_state->arguments[i].flags = ANOBJ_END_OF_PEER_LIST |
119 ANOBJ_METHOD_ARG;
96 } 120 }
97 121
98 /* Init the method locals */ 122 /* Init the method locals */
@@ -104,7 +128,8 @@ acpi_ds_method_data_init (
104 walk_state->local_variables[i].name.integer |= (i << 24); 128 walk_state->local_variables[i].name.integer |= (i << 24);
105 walk_state->local_variables[i].descriptor = ACPI_DESC_TYPE_NAMED; 129 walk_state->local_variables[i].descriptor = ACPI_DESC_TYPE_NAMED;
106 walk_state->local_variables[i].type = ACPI_TYPE_ANY; 130 walk_state->local_variables[i].type = ACPI_TYPE_ANY;
107 walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST | ANOBJ_METHOD_LOCAL; 131 walk_state->local_variables[i].flags = ANOBJ_END_OF_PEER_LIST |
132 ANOBJ_METHOD_LOCAL;
108 } 133 }
109 134
110 return_VOID; 135 return_VOID;
@@ -198,15 +223,18 @@ acpi_ds_method_data_init_args (
198 return_ACPI_STATUS (AE_OK); 223 return_ACPI_STATUS (AE_OK);
199 } 224 }
200 225
201 /* Copy passed parameters into the new method stack frame */ 226 /* Copy passed parameters into the new method stack frame */
202 227
203 while ((index < ACPI_METHOD_NUM_ARGS) && (index < max_param_count) && params[index]) { 228 while ((index < ACPI_METHOD_NUM_ARGS) &&
229 (index < max_param_count) &&
230 params[index]) {
204 /* 231 /*
205 * A valid parameter. 232 * A valid parameter.
206 * Store the argument in the method/walk descriptor. 233 * Store the argument in the method/walk descriptor.
207 * Do not copy the arg in order to implement call by reference 234 * Do not copy the arg in order to implement call by reference
208 */ 235 */
209 status = acpi_ds_method_data_set_value (AML_ARG_OP, index, params[index], walk_state); 236 status = acpi_ds_method_data_set_value (AML_ARG_OP, index,
237 params[index], walk_state);
210 if (ACPI_FAILURE (status)) { 238 if (ACPI_FAILURE (status)) {
211 return_ACPI_STATUS (status); 239 return_ACPI_STATUS (status);
212 } 240 }
@@ -224,11 +252,13 @@ acpi_ds_method_data_init_args (
224 * FUNCTION: acpi_ds_method_data_get_node 252 * FUNCTION: acpi_ds_method_data_get_node
225 * 253 *
226 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 254 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
227 * Index - which local_var or argument whose type 255 * Index - Which Local or Arg whose type to get
228 * to get
229 * walk_state - Current walk state object 256 * walk_state - Current walk state object
257 * Node - Where the node is returned.
230 * 258 *
231 * RETURN: Get the Node associated with a local or arg. 259 * RETURN: Status and node
260 *
261 * DESCRIPTION: Get the Node associated with a local or arg.
232 * 262 *
233 ******************************************************************************/ 263 ******************************************************************************/
234 264
@@ -249,7 +279,8 @@ acpi_ds_method_data_get_node (
249 case AML_LOCAL_OP: 279 case AML_LOCAL_OP:
250 280
251 if (index > ACPI_METHOD_MAX_LOCAL) { 281 if (index > ACPI_METHOD_MAX_LOCAL) {
252 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Local index %d is invalid (max %d)\n", 282 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
283 "Local index %d is invalid (max %d)\n",
253 index, ACPI_METHOD_MAX_LOCAL)); 284 index, ACPI_METHOD_MAX_LOCAL));
254 return_ACPI_STATUS (AE_AML_INVALID_INDEX); 285 return_ACPI_STATUS (AE_AML_INVALID_INDEX);
255 } 286 }
@@ -262,7 +293,8 @@ acpi_ds_method_data_get_node (
262 case AML_ARG_OP: 293 case AML_ARG_OP:
263 294
264 if (index > ACPI_METHOD_MAX_ARG) { 295 if (index > ACPI_METHOD_MAX_ARG) {
265 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Arg index %d is invalid (max %d)\n", 296 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
297 "Arg index %d is invalid (max %d)\n",
266 index, ACPI_METHOD_MAX_ARG)); 298 index, ACPI_METHOD_MAX_ARG));
267 return_ACPI_STATUS (AE_AML_INVALID_INDEX); 299 return_ACPI_STATUS (AE_AML_INVALID_INDEX);
268 } 300 }
@@ -286,7 +318,7 @@ acpi_ds_method_data_get_node (
286 * FUNCTION: acpi_ds_method_data_set_value 318 * FUNCTION: acpi_ds_method_data_set_value
287 * 319 *
288 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 320 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
289 * Index - which local_var or argument to get 321 * Index - Which Local or Arg to get
290 * Object - Object to be inserted into the stack entry 322 * Object - Object to be inserted into the stack entry
291 * walk_state - Current walk state object 323 * walk_state - Current walk state object
292 * 324 *
@@ -297,7 +329,7 @@ acpi_ds_method_data_get_node (
297 * 329 *
298 ******************************************************************************/ 330 ******************************************************************************/
299 331
300acpi_status 332static acpi_status
301acpi_ds_method_data_set_value ( 333acpi_ds_method_data_set_value (
302 u16 opcode, 334 u16 opcode,
303 u32 index, 335 u32 index,
@@ -340,68 +372,16 @@ acpi_ds_method_data_set_value (
340 372
341/******************************************************************************* 373/*******************************************************************************
342 * 374 *
343 * FUNCTION: acpi_ds_method_data_get_type
344 *
345 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
346 * Index - which local_var or argument whose type
347 * to get
348 * walk_state - Current walk state object
349 *
350 * RETURN: Data type of current value of the selected Arg or Local
351 *
352 ******************************************************************************/
353#ifdef ACPI_FUTURE_USAGE
354acpi_object_type
355acpi_ds_method_data_get_type (
356 u16 opcode,
357 u32 index,
358 struct acpi_walk_state *walk_state)
359{
360 acpi_status status;
361 struct acpi_namespace_node *node;
362 union acpi_operand_object *object;
363
364
365 ACPI_FUNCTION_TRACE ("ds_method_data_get_type");
366
367
368 /* Get the namespace node for the arg/local */
369
370 status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
371 if (ACPI_FAILURE (status)) {
372 return_VALUE ((ACPI_TYPE_NOT_FOUND));
373 }
374
375 /* Get the object */
376
377 object = acpi_ns_get_attached_object (node);
378 if (!object) {
379 /* Uninitialized local/arg, return TYPE_ANY */
380
381 return_VALUE (ACPI_TYPE_ANY);
382 }
383
384 /* Get the object type */
385
386 return_VALUE (ACPI_GET_OBJECT_TYPE (object));
387}
388#endif /* ACPI_FUTURE_USAGE */
389
390
391/*******************************************************************************
392 *
393 * FUNCTION: acpi_ds_method_data_get_value 375 * FUNCTION: acpi_ds_method_data_get_value
394 * 376 *
395 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 377 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
396 * Index - which local_var or argument to get 378 * Index - which local_var or argument to get
397 * walk_state - Current walk state object 379 * walk_state - Current walk state object
398 * *dest_desc - Ptr to Descriptor into which selected Arg 380 * dest_desc - Where Arg or Local value is returned
399 * or Local value should be copied
400 * 381 *
401 * RETURN: Status 382 * RETURN: Status
402 * 383 *
403 * DESCRIPTION: Retrieve value of selected Arg or Local from the method frame 384 * DESCRIPTION: Retrieve value of selected Arg or Local for this method
404 * at the current top of the method stack.
405 * Used only in acpi_ex_resolve_to_value(). 385 * Used only in acpi_ex_resolve_to_value().
406 * 386 *
407 ******************************************************************************/ 387 ******************************************************************************/
@@ -467,14 +447,16 @@ acpi_ds_method_data_get_value (
467 else switch (opcode) { 447 else switch (opcode) {
468 case AML_ARG_OP: 448 case AML_ARG_OP:
469 449
470 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Arg[%d] at node %p\n", 450 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
451 "Uninitialized Arg[%d] at node %p\n",
471 index, node)); 452 index, node));
472 453
473 return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG); 454 return_ACPI_STATUS (AE_AML_UNINITIALIZED_ARG);
474 455
475 case AML_LOCAL_OP: 456 case AML_LOCAL_OP:
476 457
477 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Uninitialized Local[%d] at node %p\n", 458 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
459 "Uninitialized Local[%d] at node %p\n",
478 index, node)); 460 index, node));
479 461
480 return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL); 462 return_ACPI_STATUS (AE_AML_UNINITIALIZED_LOCAL);
@@ -506,12 +488,12 @@ acpi_ds_method_data_get_value (
506 * 488 *
507 * RETURN: None 489 * RETURN: None
508 * 490 *
509 * DESCRIPTION: Delete the entry at Opcode:Index on the method stack. Inserts 491 * DESCRIPTION: Delete the entry at Opcode:Index. Inserts
510 * a null into the stack slot after the object is deleted. 492 * a null into the stack slot after the object is deleted.
511 * 493 *
512 ******************************************************************************/ 494 ******************************************************************************/
513 495
514void 496static void
515acpi_ds_method_data_delete_value ( 497acpi_ds_method_data_delete_value (
516 u16 opcode, 498 u16 opcode,
517 u32 index, 499 u32 index,
@@ -562,7 +544,7 @@ acpi_ds_method_data_delete_value (
562 * FUNCTION: acpi_ds_store_object_to_local 544 * FUNCTION: acpi_ds_store_object_to_local
563 * 545 *
564 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP 546 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
565 * Index - which local_var or argument to set 547 * Index - Which Local or Arg to set
566 * obj_desc - Value to be stored 548 * obj_desc - Value to be stored
567 * walk_state - Current walk state 549 * walk_state - Current walk state
568 * 550 *
@@ -651,19 +633,20 @@ acpi_ds_store_object_to_local (
651 */ 633 */
652 if (opcode == AML_ARG_OP) { 634 if (opcode == AML_ARG_OP) {
653 /* 635 /*
654 * Make sure that the object is the correct type. This may be overkill, but 636 * Make sure that the object is the correct type. This may be
655 * it is here because references were NS nodes in the past. Now they are 637 * overkill, butit is here because references were NS nodes in
656 * operand objects of type Reference. 638 * the past. Now they are operand objects of type Reference.
657 */ 639 */
658 if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) { 640 if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
659 ACPI_REPORT_ERROR (("Invalid descriptor type while storing to method arg: [%s]\n", 641 ACPI_REPORT_ERROR ((
660 acpi_ut_get_descriptor_name (current_obj_desc))); 642 "Invalid descriptor type while storing to method arg: [%s]\n",
643 acpi_ut_get_descriptor_name (current_obj_desc)));
661 return_ACPI_STATUS (AE_AML_INTERNAL); 644 return_ACPI_STATUS (AE_AML_INTERNAL);
662 } 645 }
663 646
664 /* 647 /*
665 * If we have a valid reference object that came from ref_of(), do the 648 * If we have a valid reference object that came from ref_of(),
666 * indirect store 649 * do the indirect store
667 */ 650 */
668 if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) && 651 if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
669 (current_obj_desc->reference.opcode == AML_REF_OF_OP)) { 652 (current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
@@ -713,3 +696,55 @@ acpi_ds_store_object_to_local (
713} 696}
714 697
715 698
699#ifdef ACPI_OBSOLETE_FUNCTIONS
700/*******************************************************************************
701 *
702 * FUNCTION: acpi_ds_method_data_get_type
703 *
704 * PARAMETERS: Opcode - Either AML_LOCAL_OP or AML_ARG_OP
705 * Index - Which Local or Arg whose type to get
706 * walk_state - Current walk state object
707 *
708 * RETURN: Data type of current value of the selected Arg or Local
709 *
710 * DESCRIPTION: Get the type of the object stored in the Local or Arg
711 *
712 ******************************************************************************/
713
714acpi_object_type
715acpi_ds_method_data_get_type (
716 u16 opcode,
717 u32 index,
718 struct acpi_walk_state *walk_state)
719{
720 acpi_status status;
721 struct acpi_namespace_node *node;
722 union acpi_operand_object *object;
723
724
725 ACPI_FUNCTION_TRACE ("ds_method_data_get_type");
726
727
728 /* Get the namespace node for the arg/local */
729
730 status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
731 if (ACPI_FAILURE (status)) {
732 return_VALUE ((ACPI_TYPE_NOT_FOUND));
733 }
734
735 /* Get the object */
736
737 object = acpi_ns_get_attached_object (node);
738 if (!object) {
739 /* Uninitialized local/arg, return TYPE_ANY */
740
741 return_VALUE (ACPI_TYPE_ANY);
742 }
743
744 /* Get the object type */
745
746 return_VALUE (ACPI_GET_OBJECT_TYPE (object));
747}
748#endif
749
750
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index eb8af4785bcb..bfbae4e4c667 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -52,9 +52,15 @@
52#define _COMPONENT ACPI_DISPATCHER 52#define _COMPONENT ACPI_DISPATCHER
53 ACPI_MODULE_NAME ("dsobject") 53 ACPI_MODULE_NAME ("dsobject")
54 54
55static acpi_status
56acpi_ds_build_internal_object (
57 struct acpi_walk_state *walk_state,
58 union acpi_parse_object *op,
59 union acpi_operand_object **obj_desc_ptr);
60
55 61
56#ifndef ACPI_NO_METHOD_EXECUTION 62#ifndef ACPI_NO_METHOD_EXECUTION
57/***************************************************************************** 63/*******************************************************************************
58 * 64 *
59 * FUNCTION: acpi_ds_build_internal_object 65 * FUNCTION: acpi_ds_build_internal_object
60 * 66 *
@@ -67,9 +73,9 @@
67 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object 73 * DESCRIPTION: Translate a parser Op object to the equivalent namespace object
68 * Simple objects are any objects other than a package object! 74 * Simple objects are any objects other than a package object!
69 * 75 *
70 ****************************************************************************/ 76 ******************************************************************************/
71 77
72acpi_status 78static acpi_status
73acpi_ds_build_internal_object ( 79acpi_ds_build_internal_object (
74 struct acpi_walk_state *walk_state, 80 struct acpi_walk_state *walk_state,
75 union acpi_parse_object *op, 81 union acpi_parse_object *op,
@@ -90,9 +96,11 @@ acpi_ds_build_internal_object (
90 * Otherwise, go ahead and look it up now 96 * Otherwise, go ahead and look it up now
91 */ 97 */
92 if (!op->common.node) { 98 if (!op->common.node) {
93 status = acpi_ns_lookup (walk_state->scope_info, op->common.value.string, 99 status = acpi_ns_lookup (walk_state->scope_info,
100 op->common.value.string,
94 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE, 101 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
95 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, NULL, 102 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
103 NULL,
96 (struct acpi_namespace_node **) &(op->common.node)); 104 (struct acpi_namespace_node **) &(op->common.node));
97 105
98 if (ACPI_FAILURE (status)) { 106 if (ACPI_FAILURE (status)) {
@@ -104,12 +112,14 @@ acpi_ds_build_internal_object (
104 112
105 /* Create and init the internal ACPI object */ 113 /* Create and init the internal ACPI object */
106 114
107 obj_desc = acpi_ut_create_internal_object ((acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type); 115 obj_desc = acpi_ut_create_internal_object (
116 (acpi_ps_get_opcode_info (op->common.aml_opcode))->object_type);
108 if (!obj_desc) { 117 if (!obj_desc) {
109 return_ACPI_STATUS (AE_NO_MEMORY); 118 return_ACPI_STATUS (AE_NO_MEMORY);
110 } 119 }
111 120
112 status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode, &obj_desc); 121 status = acpi_ds_init_object_from_op (walk_state, op, op->common.aml_opcode,
122 &obj_desc);
113 if (ACPI_FAILURE (status)) { 123 if (ACPI_FAILURE (status)) {
114 acpi_ut_remove_reference (obj_desc); 124 acpi_ut_remove_reference (obj_desc);
115 return_ACPI_STATUS (status); 125 return_ACPI_STATUS (status);
@@ -120,7 +130,7 @@ acpi_ds_build_internal_object (
120} 130}
121 131
122 132
123/***************************************************************************** 133/*******************************************************************************
124 * 134 *
125 * FUNCTION: acpi_ds_build_internal_buffer_obj 135 * FUNCTION: acpi_ds_build_internal_buffer_obj
126 * 136 *
@@ -134,7 +144,7 @@ acpi_ds_build_internal_object (
134 * DESCRIPTION: Translate a parser Op package object to the equivalent 144 * DESCRIPTION: Translate a parser Op package object to the equivalent
135 * namespace object 145 * namespace object
136 * 146 *
137 ****************************************************************************/ 147 ******************************************************************************/
138 148
139acpi_status 149acpi_status
140acpi_ds_build_internal_buffer_obj ( 150acpi_ds_build_internal_buffer_obj (
@@ -229,7 +239,7 @@ acpi_ds_build_internal_buffer_obj (
229} 239}
230 240
231 241
232/***************************************************************************** 242/*******************************************************************************
233 * 243 *
234 * FUNCTION: acpi_ds_build_internal_package_obj 244 * FUNCTION: acpi_ds_build_internal_package_obj
235 * 245 *
@@ -243,7 +253,7 @@ acpi_ds_build_internal_buffer_obj (
243 * DESCRIPTION: Translate a parser Op package object to the equivalent 253 * DESCRIPTION: Translate a parser Op package object to the equivalent
244 * namespace object 254 * namespace object
245 * 255 *
246 ****************************************************************************/ 256 ******************************************************************************/
247 257
248acpi_status 258acpi_status
249acpi_ds_build_internal_package_obj ( 259acpi_ds_build_internal_package_obj (
@@ -331,11 +341,12 @@ acpi_ds_build_internal_package_obj (
331 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) { 341 if (arg->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
332 /* Object (package or buffer) is already built */ 342 /* Object (package or buffer) is already built */
333 343
334 obj_desc->package.elements[i] = ACPI_CAST_PTR (union acpi_operand_object, arg->common.node); 344 obj_desc->package.elements[i] =
345 ACPI_CAST_PTR (union acpi_operand_object, arg->common.node);
335 } 346 }
336 else { 347 else {
337 status = acpi_ds_build_internal_object (walk_state, arg, 348 status = acpi_ds_build_internal_object (walk_state, arg,
338 &obj_desc->package.elements[i]); 349 &obj_desc->package.elements[i]);
339 } 350 }
340 351
341 i++; 352 i++;
@@ -348,7 +359,7 @@ acpi_ds_build_internal_package_obj (
348} 359}
349 360
350 361
351/***************************************************************************** 362/*******************************************************************************
352 * 363 *
353 * FUNCTION: acpi_ds_create_node 364 * FUNCTION: acpi_ds_create_node
354 * 365 *
@@ -360,7 +371,7 @@ acpi_ds_build_internal_package_obj (
360 * 371 *
361 * DESCRIPTION: Create the object to be associated with a namespace node 372 * DESCRIPTION: Create the object to be associated with a namespace node
362 * 373 *
363 ****************************************************************************/ 374 ******************************************************************************/
364 375
365acpi_status 376acpi_status
366acpi_ds_create_node ( 377acpi_ds_create_node (
@@ -392,7 +403,8 @@ acpi_ds_create_node (
392 403
393 /* Build an internal object for the argument(s) */ 404 /* Build an internal object for the argument(s) */
394 405
395 status = acpi_ds_build_internal_object (walk_state, op->common.value.arg, &obj_desc); 406 status = acpi_ds_build_internal_object (walk_state, op->common.value.arg,
407 &obj_desc);
396 if (ACPI_FAILURE (status)) { 408 if (ACPI_FAILURE (status)) {
397 return_ACPI_STATUS (status); 409 return_ACPI_STATUS (status);
398 } 410 }
@@ -414,7 +426,7 @@ acpi_ds_create_node (
414#endif /* ACPI_NO_METHOD_EXECUTION */ 426#endif /* ACPI_NO_METHOD_EXECUTION */
415 427
416 428
417/***************************************************************************** 429/*******************************************************************************
418 * 430 *
419 * FUNCTION: acpi_ds_init_object_from_op 431 * FUNCTION: acpi_ds_init_object_from_op
420 * 432 *
@@ -429,7 +441,7 @@ acpi_ds_create_node (
429 * associated arguments. The namespace object is a more compact 441 * associated arguments. The namespace object is a more compact
430 * representation of the Op and its arguments. 442 * representation of the Op and its arguments.
431 * 443 *
432 ****************************************************************************/ 444 ******************************************************************************/
433 445
434acpi_status 446acpi_status
435acpi_ds_init_object_from_op ( 447acpi_ds_init_object_from_op (
@@ -462,7 +474,8 @@ acpi_ds_init_object_from_op (
462 /* 474 /*
463 * Defer evaluation of Buffer term_arg operand 475 * Defer evaluation of Buffer term_arg operand
464 */ 476 */
465 obj_desc->buffer.node = (struct acpi_namespace_node *) walk_state->operands[0]; 477 obj_desc->buffer.node = (struct acpi_namespace_node *)
478 walk_state->operands[0];
466 obj_desc->buffer.aml_start = op->named.data; 479 obj_desc->buffer.aml_start = op->named.data;
467 obj_desc->buffer.aml_length = op->named.length; 480 obj_desc->buffer.aml_length = op->named.length;
468 break; 481 break;
@@ -473,7 +486,8 @@ acpi_ds_init_object_from_op (
473 /* 486 /*
474 * Defer evaluation of Package term_arg operand 487 * Defer evaluation of Package term_arg operand
475 */ 488 */
476 obj_desc->package.node = (struct acpi_namespace_node *) walk_state->operands[0]; 489 obj_desc->package.node = (struct acpi_namespace_node *)
490 walk_state->operands[0];
477 obj_desc->package.aml_start = op->named.data; 491 obj_desc->package.aml_start = op->named.data;
478 obj_desc->package.aml_length = op->named.length; 492 obj_desc->package.aml_length = op->named.length;
479 break; 493 break;
@@ -486,9 +500,10 @@ acpi_ds_init_object_from_op (
486 /* 500 /*
487 * Resolve AML Constants here - AND ONLY HERE! 501 * Resolve AML Constants here - AND ONLY HERE!
488 * All constants are integers. 502 * All constants are integers.
489 * We mark the integer with a flag that indicates that it started life 503 * We mark the integer with a flag that indicates that it started
490 * as a constant -- so that stores to constants will perform as expected (noop). 504 * life as a constant -- so that stores to constants will perform
491 * (zero_op is used as a placeholder for optional target operands.) 505 * as expected (noop). zero_op is used as a placeholder for optional
506 * target operands.
492 */ 507 */
493 obj_desc->common.flags = AOPOBJ_AML_CONSTANT; 508 obj_desc->common.flags = AOPOBJ_AML_CONSTANT;
494 509
@@ -521,7 +536,8 @@ acpi_ds_init_object_from_op (
521 536
522 default: 537 default:
523 538
524 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown constant opcode %X\n", opcode)); 539 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
540 "Unknown constant opcode %X\n", opcode));
525 status = AE_AML_OPERAND_TYPE; 541 status = AE_AML_OPERAND_TYPE;
526 break; 542 break;
527 } 543 }
@@ -535,7 +551,8 @@ acpi_ds_init_object_from_op (
535 551
536 552
537 default: 553 default:
538 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n", op_info->type)); 554 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown Integer type %X\n",
555 op_info->type));
539 status = AE_AML_OPERAND_TYPE; 556 status = AE_AML_OPERAND_TYPE;
540 break; 557 break;
541 } 558 }
@@ -570,8 +587,10 @@ acpi_ds_init_object_from_op (
570 obj_desc->reference.offset = opcode - AML_LOCAL_OP; 587 obj_desc->reference.offset = opcode - AML_LOCAL_OP;
571 588
572#ifndef ACPI_NO_METHOD_EXECUTION 589#ifndef ACPI_NO_METHOD_EXECUTION
573 status = acpi_ds_method_data_get_node (AML_LOCAL_OP, obj_desc->reference.offset, 590 status = acpi_ds_method_data_get_node (AML_LOCAL_OP,
574 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); 591 obj_desc->reference.offset,
592 walk_state,
593 (struct acpi_namespace_node **) &obj_desc->reference.object);
575#endif 594#endif
576 break; 595 break;
577 596
@@ -584,8 +603,10 @@ acpi_ds_init_object_from_op (
584 obj_desc->reference.offset = opcode - AML_ARG_OP; 603 obj_desc->reference.offset = opcode - AML_ARG_OP;
585 604
586#ifndef ACPI_NO_METHOD_EXECUTION 605#ifndef ACPI_NO_METHOD_EXECUTION
587 status = acpi_ds_method_data_get_node (AML_ARG_OP, obj_desc->reference.offset, 606 status = acpi_ds_method_data_get_node (AML_ARG_OP,
588 walk_state, (struct acpi_namespace_node **) &obj_desc->reference.object); 607 obj_desc->reference.offset,
608 walk_state,
609 (struct acpi_namespace_node **) &obj_desc->reference.object);
589#endif 610#endif
590 break; 611 break;
591 612
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index 5c987a0e7b75..ba13bca28bee 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -54,12 +54,31 @@
54#define _COMPONENT ACPI_DISPATCHER 54#define _COMPONENT ACPI_DISPATCHER
55 ACPI_MODULE_NAME ("dsopcode") 55 ACPI_MODULE_NAME ("dsopcode")
56 56
57/* Local prototypes */
57 58
58/***************************************************************************** 59static acpi_status
60acpi_ds_execute_arguments (
61 struct acpi_namespace_node *node,
62 struct acpi_namespace_node *scope_node,
63 u32 aml_length,
64 u8 *aml_start);
65
66static acpi_status
67acpi_ds_init_buffer_field (
68 u16 aml_opcode,
69 union acpi_operand_object *obj_desc,
70 union acpi_operand_object *buffer_desc,
71 union acpi_operand_object *offset_desc,
72 union acpi_operand_object *length_desc,
73 union acpi_operand_object *result_desc);
74
75
76/*******************************************************************************
59 * 77 *
60 * FUNCTION: acpi_ds_execute_arguments 78 * FUNCTION: acpi_ds_execute_arguments
61 * 79 *
62 * PARAMETERS: Node - Parent NS node 80 * PARAMETERS: Node - Object NS node
81 * scope_node - Parent NS node
63 * aml_length - Length of executable AML 82 * aml_length - Length of executable AML
64 * aml_start - Pointer to the AML 83 * aml_start - Pointer to the AML
65 * 84 *
@@ -67,9 +86,9 @@
67 * 86 *
68 * DESCRIPTION: Late (deferred) execution of region or field arguments 87 * DESCRIPTION: Late (deferred) execution of region or field arguments
69 * 88 *
70 ****************************************************************************/ 89 ******************************************************************************/
71 90
72acpi_status 91static acpi_status
73acpi_ds_execute_arguments ( 92acpi_ds_execute_arguments (
74 struct acpi_namespace_node *node, 93 struct acpi_namespace_node *node,
75 struct acpi_namespace_node *scope_node, 94 struct acpi_namespace_node *scope_node,
@@ -162,7 +181,7 @@ acpi_ds_execute_arguments (
162} 181}
163 182
164 183
165/***************************************************************************** 184/*******************************************************************************
166 * 185 *
167 * FUNCTION: acpi_ds_get_buffer_field_arguments 186 * FUNCTION: acpi_ds_get_buffer_field_arguments
168 * 187 *
@@ -173,7 +192,7 @@ acpi_ds_execute_arguments (
173 * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late 192 * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late
174 * evaluation of these field attributes. 193 * evaluation of these field attributes.
175 * 194 *
176 ****************************************************************************/ 195 ******************************************************************************/
177 196
178acpi_status 197acpi_status
179acpi_ds_get_buffer_field_arguments ( 198acpi_ds_get_buffer_field_arguments (
@@ -208,7 +227,7 @@ acpi_ds_get_buffer_field_arguments (
208} 227}
209 228
210 229
211/***************************************************************************** 230/*******************************************************************************
212 * 231 *
213 * FUNCTION: acpi_ds_get_buffer_arguments 232 * FUNCTION: acpi_ds_get_buffer_arguments
214 * 233 *
@@ -219,7 +238,7 @@ acpi_ds_get_buffer_field_arguments (
219 * DESCRIPTION: Get Buffer length and initializer byte list. This implements 238 * DESCRIPTION: Get Buffer length and initializer byte list. This implements
220 * the late evaluation of these attributes. 239 * the late evaluation of these attributes.
221 * 240 *
222 ****************************************************************************/ 241 ******************************************************************************/
223 242
224acpi_status 243acpi_status
225acpi_ds_get_buffer_arguments ( 244acpi_ds_get_buffer_arguments (
@@ -255,7 +274,7 @@ acpi_ds_get_buffer_arguments (
255} 274}
256 275
257 276
258/***************************************************************************** 277/*******************************************************************************
259 * 278 *
260 * FUNCTION: acpi_ds_get_package_arguments 279 * FUNCTION: acpi_ds_get_package_arguments
261 * 280 *
@@ -266,7 +285,7 @@ acpi_ds_get_buffer_arguments (
266 * DESCRIPTION: Get Package length and initializer byte list. This implements 285 * DESCRIPTION: Get Package length and initializer byte list. This implements
267 * the late evaluation of these attributes. 286 * the late evaluation of these attributes.
268 * 287 *
269 ****************************************************************************/ 288 ******************************************************************************/
270 289
271acpi_status 290acpi_status
272acpi_ds_get_package_arguments ( 291acpi_ds_get_package_arguments (
@@ -353,17 +372,17 @@ acpi_ds_get_region_arguments (
353} 372}
354 373
355 374
356/***************************************************************************** 375/*******************************************************************************
357 * 376 *
358 * FUNCTION: acpi_ds_initialize_region 377 * FUNCTION: acpi_ds_initialize_region
359 * 378 *
360 * PARAMETERS: Op - A valid region Op object 379 * PARAMETERS: obj_handle - Region namespace node
361 * 380 *
362 * RETURN: Status 381 * RETURN: Status
363 * 382 *
364 * DESCRIPTION: Front end to ev_initialize_region 383 * DESCRIPTION: Front end to ev_initialize_region
365 * 384 *
366 ****************************************************************************/ 385 ******************************************************************************/
367 386
368acpi_status 387acpi_status
369acpi_ds_initialize_region ( 388acpi_ds_initialize_region (
@@ -382,7 +401,7 @@ acpi_ds_initialize_region (
382} 401}
383 402
384 403
385/***************************************************************************** 404/*******************************************************************************
386 * 405 *
387 * FUNCTION: acpi_ds_init_buffer_field 406 * FUNCTION: acpi_ds_init_buffer_field
388 * 407 *
@@ -390,16 +409,16 @@ acpi_ds_initialize_region (
390 * obj_desc - buffer_field object 409 * obj_desc - buffer_field object
391 * buffer_desc - Host Buffer 410 * buffer_desc - Host Buffer
392 * offset_desc - Offset into buffer 411 * offset_desc - Offset into buffer
393 * Length - Length of field (CREATE_FIELD_OP only) 412 * length_desc - Length of field (CREATE_FIELD_OP only)
394 * Result - Where to store the result 413 * result_desc - Where to store the result
395 * 414 *
396 * RETURN: Status 415 * RETURN: Status
397 * 416 *
398 * DESCRIPTION: Perform actual initialization of a buffer field 417 * DESCRIPTION: Perform actual initialization of a buffer field
399 * 418 *
400 ****************************************************************************/ 419 ******************************************************************************/
401 420
402acpi_status 421static acpi_status
403acpi_ds_init_buffer_field ( 422acpi_ds_init_buffer_field (
404 u16 aml_opcode, 423 u16 aml_opcode,
405 union acpi_operand_object *obj_desc, 424 union acpi_operand_object *obj_desc,
@@ -435,8 +454,10 @@ acpi_ds_init_buffer_field (
435 * after resolution in acpi_ex_resolve_operands(). 454 * after resolution in acpi_ex_resolve_operands().
436 */ 455 */
437 if (ACPI_GET_DESCRIPTOR_TYPE (result_desc) != ACPI_DESC_TYPE_NAMED) { 456 if (ACPI_GET_DESCRIPTOR_TYPE (result_desc) != ACPI_DESC_TYPE_NAMED) {
438 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "(%s) destination not a NS Node [%s]\n", 457 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
439 acpi_ps_get_opcode_name (aml_opcode), acpi_ut_get_descriptor_name (result_desc))); 458 "(%s) destination not a NS Node [%s]\n",
459 acpi_ps_get_opcode_name (aml_opcode),
460 acpi_ut_get_descriptor_name (result_desc)));
440 461
441 status = AE_AML_OPERAND_TYPE; 462 status = AE_AML_OPERAND_TYPE;
442 goto cleanup; 463 goto cleanup;
@@ -452,9 +473,18 @@ acpi_ds_init_buffer_field (
452 473
453 /* Offset is in bits, count is in bits */ 474 /* Offset is in bits, count is in bits */
454 475
476 field_flags = AML_FIELD_ACCESS_BYTE;
455 bit_offset = offset; 477 bit_offset = offset;
456 bit_count = (u32) length_desc->integer.value; 478 bit_count = (u32) length_desc->integer.value;
457 field_flags = AML_FIELD_ACCESS_BYTE; 479
480 /* Must have a valid (>0) bit count */
481
482 if (bit_count == 0) {
483 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
484 "Attempt to create_field of length 0\n"));
485 status = AE_AML_OPERAND_VALUE;
486 goto cleanup;
487 }
458 break; 488 break;
459 489
460 case AML_CREATE_BIT_FIELD_OP: 490 case AML_CREATE_BIT_FIELD_OP:
@@ -527,7 +557,8 @@ acpi_ds_init_buffer_field (
527 557
528 /* 558 /*
529 * Initialize areas of the field object that are common to all fields 559 * Initialize areas of the field object that are common to all fields
530 * For field_flags, use LOCK_RULE = 0 (NO_LOCK), UPDATE_RULE = 0 (UPDATE_PRESERVE) 560 * For field_flags, use LOCK_RULE = 0 (NO_LOCK),
561 * UPDATE_RULE = 0 (UPDATE_PRESERVE)
531 */ 562 */
532 status = acpi_ex_prep_common_field_object (obj_desc, field_flags, 0, 563 status = acpi_ex_prep_common_field_object (obj_desc, field_flags, 0,
533 bit_offset, bit_count); 564 bit_offset, bit_count);
@@ -539,8 +570,8 @@ acpi_ds_init_buffer_field (
539 570
540 /* Reference count for buffer_desc inherits obj_desc count */ 571 /* Reference count for buffer_desc inherits obj_desc count */
541 572
542 buffer_desc->common.reference_count = (u16) (buffer_desc->common.reference_count + 573 buffer_desc->common.reference_count = (u16)
543 obj_desc->common.reference_count); 574 (buffer_desc->common.reference_count + obj_desc->common.reference_count);
544 575
545 576
546cleanup: 577cleanup:
@@ -569,7 +600,7 @@ cleanup:
569} 600}
570 601
571 602
572/***************************************************************************** 603/*******************************************************************************
573 * 604 *
574 * FUNCTION: acpi_ds_eval_buffer_field_operands 605 * FUNCTION: acpi_ds_eval_buffer_field_operands
575 * 606 *
@@ -581,7 +612,7 @@ cleanup:
581 * DESCRIPTION: Get buffer_field Buffer and Index 612 * DESCRIPTION: Get buffer_field Buffer and Index
582 * Called from acpi_ds_exec_end_op during buffer_field parse tree walk 613 * Called from acpi_ds_exec_end_op during buffer_field parse tree walk
583 * 614 *
584 ****************************************************************************/ 615 ******************************************************************************/
585 616
586acpi_status 617acpi_status
587acpi_ds_eval_buffer_field_operands ( 618acpi_ds_eval_buffer_field_operands (
@@ -656,7 +687,7 @@ acpi_ds_eval_buffer_field_operands (
656} 687}
657 688
658 689
659/***************************************************************************** 690/*******************************************************************************
660 * 691 *
661 * FUNCTION: acpi_ds_eval_region_operands 692 * FUNCTION: acpi_ds_eval_region_operands
662 * 693 *
@@ -668,7 +699,7 @@ acpi_ds_eval_buffer_field_operands (
668 * DESCRIPTION: Get region address and length 699 * DESCRIPTION: Get region address and length
669 * Called from acpi_ds_exec_end_op during op_region parse tree walk 700 * Called from acpi_ds_exec_end_op during op_region parse tree walk
670 * 701 *
671 ****************************************************************************/ 702 ******************************************************************************/
672 703
673acpi_status 704acpi_status
674acpi_ds_eval_region_operands ( 705acpi_ds_eval_region_operands (
@@ -686,7 +717,8 @@ acpi_ds_eval_region_operands (
686 717
687 718
688 /* 719 /*
689 * This is where we evaluate the address and length fields of the op_region declaration 720 * This is where we evaluate the address and length fields of the
721 * op_region declaration
690 */ 722 */
691 node = op->common.node; 723 node = op->common.node;
692 724
@@ -707,7 +739,8 @@ acpi_ds_eval_region_operands (
707 739
708 /* Resolve the length and address operands to numbers */ 740 /* Resolve the length and address operands to numbers */
709 741
710 status = acpi_ex_resolve_operands (op->common.aml_opcode, ACPI_WALK_OPERANDS, walk_state); 742 status = acpi_ex_resolve_operands (op->common.aml_opcode,
743 ACPI_WALK_OPERANDS, walk_state);
711 if (ACPI_FAILURE (status)) { 744 if (ACPI_FAILURE (status)) {
712 return_ACPI_STATUS (status); 745 return_ACPI_STATUS (status);
713 } 746 }
@@ -736,7 +769,8 @@ acpi_ds_eval_region_operands (
736 */ 769 */
737 operand_desc = walk_state->operands[walk_state->num_operands - 2]; 770 operand_desc = walk_state->operands[walk_state->num_operands - 2];
738 771
739 obj_desc->region.address = (acpi_physical_address) operand_desc->integer.value; 772 obj_desc->region.address = (acpi_physical_address)
773 operand_desc->integer.value;
740 acpi_ut_remove_reference (operand_desc); 774 acpi_ut_remove_reference (operand_desc);
741 775
742 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n", 776 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "rgn_obj %p Addr %8.8X%8.8X Len %X\n",
@@ -752,7 +786,7 @@ acpi_ds_eval_region_operands (
752} 786}
753 787
754 788
755/***************************************************************************** 789/*******************************************************************************
756 * 790 *
757 * FUNCTION: acpi_ds_eval_data_object_operands 791 * FUNCTION: acpi_ds_eval_data_object_operands
758 * 792 *
@@ -765,7 +799,7 @@ acpi_ds_eval_region_operands (
765 * DESCRIPTION: Get the operands and complete the following data object types: 799 * DESCRIPTION: Get the operands and complete the following data object types:
766 * Buffer, Package. 800 * Buffer, Package.
767 * 801 *
768 ****************************************************************************/ 802 ******************************************************************************/
769 803
770acpi_status 804acpi_status
771acpi_ds_eval_data_object_operands ( 805acpi_ds_eval_data_object_operands (
@@ -830,7 +864,7 @@ acpi_ds_eval_data_object_operands (
830 864
831 if (ACPI_SUCCESS (status)) { 865 if (ACPI_SUCCESS (status)) {
832 /* 866 /*
833 * Return the object in the walk_state, unless the parent is a package -- 867 * Return the object in the walk_state, unless the parent is a package -
834 * in this case, the return object will be stored in the parse tree 868 * in this case, the return object will be stored in the parse tree
835 * for the package. 869 * for the package.
836 */ 870 */
@@ -988,7 +1022,8 @@ acpi_ds_exec_end_control_op (
988 status = AE_CTRL_PENDING; 1022 status = AE_CTRL_PENDING;
989 } 1023 }
990 1024
991 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[WHILE_OP] termination! Op=%p\n", op)); 1025 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
1026 "[WHILE_OP] termination! Op=%p\n",op));
992 1027
993 /* Pop this control state and free it */ 1028 /* Pop this control state and free it */
994 1029
diff --git a/drivers/acpi/dispatcher/dsutils.c b/drivers/acpi/dispatcher/dsutils.c
index 462c5d83e747..9613349ac31d 100644
--- a/drivers/acpi/dispatcher/dsutils.c
+++ b/drivers/acpi/dispatcher/dsutils.c
@@ -100,7 +100,6 @@ acpi_ds_clear_implicit_return (
100 100
101 101
102#ifndef ACPI_NO_METHOD_EXECUTION 102#ifndef ACPI_NO_METHOD_EXECUTION
103
104/******************************************************************************* 103/*******************************************************************************
105 * 104 *
106 * FUNCTION: acpi_ds_do_implicit_return 105 * FUNCTION: acpi_ds_do_implicit_return
@@ -205,7 +204,7 @@ acpi_ds_is_result_used (
205 * NOTE: this is optional because the ASL language does not actually 204 * NOTE: this is optional because the ASL language does not actually
206 * support this behavior. 205 * support this behavior.
207 */ 206 */
208 acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE); 207 (void) acpi_ds_do_implicit_return (walk_state->result_obj, walk_state, TRUE);
209 208
210 /* 209 /*
211 * Now determine if the parent will use the result 210 * Now determine if the parent will use the result
@@ -219,8 +218,9 @@ acpi_ds_is_result_used (
219 (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) { 218 (op->common.parent->common.aml_opcode == AML_SCOPE_OP)) {
220 /* No parent, the return value cannot possibly be used */ 219 /* No parent, the return value cannot possibly be used */
221 220
222 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "At Method level, result of [%s] not used\n", 221 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
223 acpi_ps_get_opcode_name (op->common.aml_opcode))); 222 "At Method level, result of [%s] not used\n",
223 acpi_ps_get_opcode_name (op->common.aml_opcode)));
224 return_VALUE (FALSE); 224 return_VALUE (FALSE);
225 } 225 }
226 226
@@ -228,7 +228,8 @@ acpi_ds_is_result_used (
228 228
229 parent_info = acpi_ps_get_opcode_info (op->common.parent->common.aml_opcode); 229 parent_info = acpi_ps_get_opcode_info (op->common.parent->common.aml_opcode);
230 if (parent_info->class == AML_CLASS_UNKNOWN) { 230 if (parent_info->class == AML_CLASS_UNKNOWN) {
231 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unknown parent opcode. Op=%p\n", op)); 231 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
232 "Unknown parent opcode. Op=%p\n", op));
232 return_VALUE (FALSE); 233 return_VALUE (FALSE);
233 } 234 }
234 235
@@ -309,17 +310,19 @@ acpi_ds_is_result_used (
309 310
310 311
311result_used: 312result_used:
312 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] used by Parent [%s] Op=%p\n", 313 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
313 acpi_ps_get_opcode_name (op->common.aml_opcode), 314 "Result of [%s] used by Parent [%s] Op=%p\n",
314 acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); 315 acpi_ps_get_opcode_name (op->common.aml_opcode),
316 acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
315 317
316 return_VALUE (TRUE); 318 return_VALUE (TRUE);
317 319
318 320
319result_not_used: 321result_not_used:
320 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Result of [%s] not used by Parent [%s] Op=%p\n", 322 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
321 acpi_ps_get_opcode_name (op->common.aml_opcode), 323 "Result of [%s] not used by Parent [%s] Op=%p\n",
322 acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op)); 324 acpi_ps_get_opcode_name (op->common.aml_opcode),
325 acpi_ps_get_opcode_name (op->common.parent->common.aml_opcode), op));
323 326
324 return_VALUE (FALSE); 327 return_VALUE (FALSE);
325} 328}
@@ -522,7 +525,8 @@ acpi_ds_create_operand (
522 if ((walk_state->deferred_node) && 525 if ((walk_state->deferred_node) &&
523 (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) && 526 (walk_state->deferred_node->type == ACPI_TYPE_BUFFER_FIELD) &&
524 (arg_index != 0)) { 527 (arg_index != 0)) {
525 obj_desc = ACPI_CAST_PTR (union acpi_operand_object, walk_state->deferred_node); 528 obj_desc = ACPI_CAST_PTR (
529 union acpi_operand_object, walk_state->deferred_node);
526 status = AE_OK; 530 status = AE_OK;
527 } 531 }
528 else /* All other opcodes */ { 532 else /* All other opcodes */ {
@@ -565,7 +569,8 @@ acpi_ds_create_operand (
565 * indicate this to the interpreter, set the 569 * indicate this to the interpreter, set the
566 * object to the root 570 * object to the root
567 */ 571 */
568 obj_desc = ACPI_CAST_PTR (union acpi_operand_object, acpi_gbl_root_node); 572 obj_desc = ACPI_CAST_PTR (
573 union acpi_operand_object, acpi_gbl_root_node);
569 status = AE_OK; 574 status = AE_OK;
570 } 575 }
571 else { 576 else {
@@ -612,7 +617,8 @@ acpi_ds_create_operand (
612 */ 617 */
613 opcode = AML_ZERO_OP; /* Has no arguments! */ 618 opcode = AML_ZERO_OP; /* Has no arguments! */
614 619
615 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Null namepath: Arg=%p\n", arg)); 620 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
621 "Null namepath: Arg=%p\n", arg));
616 } 622 }
617 else { 623 else {
618 opcode = arg->common.aml_opcode; 624 opcode = arg->common.aml_opcode;
@@ -642,7 +648,8 @@ acpi_ds_create_operand (
642 * Only error is underflow, and this indicates 648 * Only error is underflow, and this indicates
643 * a missing or null operand! 649 * a missing or null operand!
644 */ 650 */
645 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Missing or null operand, %s\n", 651 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
652 "Missing or null operand, %s\n",
646 acpi_format_exception (status))); 653 acpi_format_exception (status)));
647 return_ACPI_STATUS (status); 654 return_ACPI_STATUS (status);
648 } 655 }
@@ -657,8 +664,8 @@ acpi_ds_create_operand (
657 664
658 /* Initialize the new object */ 665 /* Initialize the new object */
659 666
660 status = acpi_ds_init_object_from_op (walk_state, arg, 667 status = acpi_ds_init_object_from_op (
661 opcode, &obj_desc); 668 walk_state, arg, opcode, &obj_desc);
662 if (ACPI_FAILURE (status)) { 669 if (ACPI_FAILURE (status)) {
663 acpi_ut_delete_object_desc (obj_desc); 670 acpi_ut_delete_object_desc (obj_desc);
664 return_ACPI_STATUS (status); 671 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c
index 2071a0d2bbbb..10f71318e23b 100644
--- a/drivers/acpi/dispatcher/dswexec.c
+++ b/drivers/acpi/dispatcher/dswexec.c
@@ -73,11 +73,13 @@ static ACPI_EXECUTE_OP acpi_gbl_op_type_dispatch [] = {
73 acpi_ex_opcode_3A_1T_1R, 73 acpi_ex_opcode_3A_1T_1R,
74 acpi_ex_opcode_6A_0T_1R}; 74 acpi_ex_opcode_6A_0T_1R};
75 75
76
76/***************************************************************************** 77/*****************************************************************************
77 * 78 *
78 * FUNCTION: acpi_ds_get_predicate_value 79 * FUNCTION: acpi_ds_get_predicate_value
79 * 80 *
80 * PARAMETERS: walk_state - Current state of the parse tree walk 81 * PARAMETERS: walk_state - Current state of the parse tree walk
82 * result_obj - if non-zero, pop result from result stack
81 * 83 *
82 * RETURN: Status 84 * RETURN: Status
83 * 85 *
@@ -124,7 +126,8 @@ acpi_ds_get_predicate_value (
124 } 126 }
125 127
126 if (!obj_desc) { 128 if (!obj_desc) {
127 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No predicate obj_desc=%p State=%p\n", 129 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
130 "No predicate obj_desc=%p State=%p\n",
128 obj_desc, walk_state)); 131 obj_desc, walk_state));
129 132
130 return_ACPI_STATUS (AE_AML_NO_OPERAND); 133 return_ACPI_STATUS (AE_AML_NO_OPERAND);
@@ -197,7 +200,7 @@ cleanup:
197 * FUNCTION: acpi_ds_exec_begin_op 200 * FUNCTION: acpi_ds_exec_begin_op
198 * 201 *
199 * PARAMETERS: walk_state - Current state of the parse tree walk 202 * PARAMETERS: walk_state - Current state of the parse tree walk
200 * out_op - Return op if a new one is created 203 * out_op - Where to return op if a new one is created
201 * 204 *
202 * RETURN: Status 205 * RETURN: Status
203 * 206 *
@@ -233,7 +236,8 @@ acpi_ds_exec_begin_op (
233 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode); 236 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
234 237
235 if (acpi_ns_opens_scope (walk_state->op_info->object_type)) { 238 if (acpi_ns_opens_scope (walk_state->op_info->object_type)) {
236 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", 239 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
240 "(%s) Popping scope for Op %p\n",
237 acpi_ut_get_type_name (walk_state->op_info->object_type), op)); 241 acpi_ut_get_type_name (walk_state->op_info->object_type), op));
238 242
239 status = acpi_ds_scope_stack_pop (walk_state); 243 status = acpi_ds_scope_stack_pop (walk_state);
@@ -297,11 +301,10 @@ acpi_ds_exec_begin_op (
297 301
298 if (walk_state->walk_type == ACPI_WALK_METHOD) { 302 if (walk_state->walk_type == ACPI_WALK_METHOD) {
299 /* 303 /*
300 * Found a named object declaration during method 304 * Found a named object declaration during method execution;
301 * execution; we must enter this object into the 305 * we must enter this object into the namespace. The created
302 * namespace. The created object is temporary and 306 * object is temporary and will be deleted upon completion of
303 * will be deleted upon completion of the execution 307 * the execution of this method.
304 * of this method.
305 */ 308 */
306 status = acpi_ds_load2_begin_op (walk_state, NULL); 309 status = acpi_ds_load2_begin_op (walk_state, NULL);
307 } 310 }
@@ -338,8 +341,6 @@ acpi_ds_exec_begin_op (
338 * FUNCTION: acpi_ds_exec_end_op 341 * FUNCTION: acpi_ds_exec_end_op
339 * 342 *
340 * PARAMETERS: walk_state - Current state of the parse tree walk 343 * PARAMETERS: walk_state - Current state of the parse tree walk
341 * Op - Op that has been just been completed in the
342 * walk; Arguments have now been evaluated.
343 * 344 *
344 * RETURN: Status 345 * RETURN: Status
345 * 346 *
@@ -389,7 +390,7 @@ acpi_ds_exec_end_op (
389 /* Decode the Opcode Class */ 390 /* Decode the Opcode Class */
390 391
391 switch (op_class) { 392 switch (op_class) {
392 case AML_CLASS_ARGUMENT: /* constants, literals, etc. -- do nothing */ 393 case AML_CLASS_ARGUMENT: /* constants, literals, etc. - do nothing */
393 break; 394 break;
394 395
395 396
@@ -417,12 +418,12 @@ acpi_ds_exec_end_op (
417 /* Resolve all operands */ 418 /* Resolve all operands */
418 419
419 status = acpi_ex_resolve_operands (walk_state->opcode, 420 status = acpi_ex_resolve_operands (walk_state->opcode,
420 &(walk_state->operands [walk_state->num_operands -1]), 421 &(walk_state->operands [walk_state->num_operands -1]),
421 walk_state); 422 walk_state);
422 if (ACPI_SUCCESS (status)) { 423 if (ACPI_SUCCESS (status)) {
423 ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE, 424 ACPI_DUMP_OPERANDS (ACPI_WALK_OPERANDS, ACPI_IMODE_EXECUTE,
424 acpi_ps_get_opcode_name (walk_state->opcode), 425 acpi_ps_get_opcode_name (walk_state->opcode),
425 walk_state->num_operands, "after ex_resolve_operands"); 426 walk_state->num_operands, "after ex_resolve_operands");
426 } 427 }
427 } 428 }
428 429
@@ -506,7 +507,8 @@ acpi_ds_exec_end_op (
506 if ((op->asl.parent) && 507 if ((op->asl.parent) &&
507 ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP) || 508 ((op->asl.parent->asl.aml_opcode == AML_PACKAGE_OP) ||
508 (op->asl.parent->asl.aml_opcode == AML_VAR_PACKAGE_OP))) { 509 (op->asl.parent->asl.aml_opcode == AML_VAR_PACKAGE_OP))) {
509 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Method Reference in a Package, Op=%p\n", op)); 510 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
511 "Method Reference in a Package, Op=%p\n", op));
510 op->common.node = (struct acpi_namespace_node *) op->asl.value.arg->asl.node->object; 512 op->common.node = (struct acpi_namespace_node *) op->asl.value.arg->asl.node->object;
511 acpi_ut_add_reference (op->asl.value.arg->asl.node->object); 513 acpi_ut_add_reference (op->asl.value.arg->asl.node->object);
512 return_ACPI_STATUS (AE_OK); 514 return_ACPI_STATUS (AE_OK);
@@ -583,13 +585,15 @@ acpi_ds_exec_end_op (
583 case AML_NAME_OP: 585 case AML_NAME_OP:
584 586
585 /* 587 /*
586 * Put the Node on the object stack (Contains the ACPI Name of 588 * Put the Node on the object stack (Contains the ACPI Name
587 * this object) 589 * of this object)
588 */ 590 */
589 walk_state->operands[0] = (void *) op->common.parent->common.node; 591 walk_state->operands[0] = (void *) op->common.parent->common.node;
590 walk_state->num_operands = 1; 592 walk_state->num_operands = 1;
591 593
592 status = acpi_ds_create_node (walk_state, op->common.parent->common.node, op->common.parent); 594 status = acpi_ds_create_node (walk_state,
595 op->common.parent->common.node,
596 op->common.parent);
593 if (ACPI_FAILURE (status)) { 597 if (ACPI_FAILURE (status)) {
594 break; 598 break;
595 } 599 }
@@ -600,7 +604,7 @@ acpi_ds_exec_end_op (
600 case AML_INT_EVAL_SUBTREE_OP: 604 case AML_INT_EVAL_SUBTREE_OP:
601 605
602 status = acpi_ds_eval_data_object_operands (walk_state, op, 606 status = acpi_ds_eval_data_object_operands (walk_state, op,
603 acpi_ns_get_attached_object (op->common.parent->common.node)); 607 acpi_ns_get_attached_object (op->common.parent->common.node));
604 break; 608 break;
605 609
606 default: 610 default:
@@ -609,7 +613,7 @@ acpi_ds_exec_end_op (
609 break; 613 break;
610 } 614 }
611 615
612 /* Done with this result state (Now that operand stack is built) */ 616 /* Done with result state (Now that operand stack is built) */
613 617
614 status = acpi_ds_result_stack_pop (walk_state); 618 status = acpi_ds_result_stack_pop (walk_state);
615 if (ACPI_FAILURE (status)) { 619 if (ACPI_FAILURE (status)) {
@@ -620,8 +624,7 @@ acpi_ds_exec_end_op (
620 * If a result object was returned from above, push it on the 624 * If a result object was returned from above, push it on the
621 * current result stack 625 * current result stack
622 */ 626 */
623 if (ACPI_SUCCESS (status) && 627 if (walk_state->result_obj) {
624 walk_state->result_obj) {
625 status = acpi_ds_result_push (walk_state->result_obj, walk_state); 628 status = acpi_ds_result_push (walk_state->result_obj, walk_state);
626 } 629 }
627 break; 630 break;
@@ -654,7 +657,8 @@ acpi_ds_exec_end_op (
654 657
655 case AML_TYPE_UNDEFINED: 658 case AML_TYPE_UNDEFINED:
656 659
657 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Undefined opcode type Op=%p\n", op)); 660 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
661 "Undefined opcode type Op=%p\n", op));
658 return_ACPI_STATUS (AE_NOT_IMPLEMENTED); 662 return_ACPI_STATUS (AE_NOT_IMPLEMENTED);
659 663
660 664
@@ -709,13 +713,14 @@ cleanup:
709 status = acpi_gbl_exception_handler (status, 713 status = acpi_gbl_exception_handler (status,
710 walk_state->method_node->name.integer, walk_state->opcode, 714 walk_state->method_node->name.integer, walk_state->opcode,
711 walk_state->aml_offset, NULL); 715 walk_state->aml_offset, NULL);
712 acpi_ex_enter_interpreter (); 716 (void) acpi_ex_enter_interpreter ();
713 } 717 }
714 718
715 if (walk_state->result_obj) { 719 if (walk_state->result_obj) {
716 /* Break to debugger to display result */ 720 /* Break to debugger to display result */
717 721
718 ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj, walk_state)); 722 ACPI_DEBUGGER_EXEC (acpi_db_display_result_object (walk_state->result_obj,
723 walk_state));
719 724
720 /* 725 /*
721 * Delete the result op if and only if: 726 * Delete the result op if and only if:
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index 06d758679588..1ac197ccfc80 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -79,20 +79,23 @@ acpi_ds_init_callbacks (
79 79
80 switch (pass_number) { 80 switch (pass_number) {
81 case 1: 81 case 1:
82 walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE; 82 walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
83 ACPI_PARSE_DELETE_TREE;
83 walk_state->descending_callback = acpi_ds_load1_begin_op; 84 walk_state->descending_callback = acpi_ds_load1_begin_op;
84 walk_state->ascending_callback = acpi_ds_load1_end_op; 85 walk_state->ascending_callback = acpi_ds_load1_end_op;
85 break; 86 break;
86 87
87 case 2: 88 case 2:
88 walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 | ACPI_PARSE_DELETE_TREE; 89 walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
90 ACPI_PARSE_DELETE_TREE;
89 walk_state->descending_callback = acpi_ds_load2_begin_op; 91 walk_state->descending_callback = acpi_ds_load2_begin_op;
90 walk_state->ascending_callback = acpi_ds_load2_end_op; 92 walk_state->ascending_callback = acpi_ds_load2_end_op;
91 break; 93 break;
92 94
93 case 3: 95 case 3:
94#ifndef ACPI_NO_METHOD_EXECUTION 96#ifndef ACPI_NO_METHOD_EXECUTION
95 walk_state->parse_flags |= ACPI_PARSE_EXECUTE | ACPI_PARSE_DELETE_TREE; 97 walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
98 ACPI_PARSE_DELETE_TREE;
96 walk_state->descending_callback = acpi_ds_exec_begin_op; 99 walk_state->descending_callback = acpi_ds_exec_begin_op;
97 walk_state->ascending_callback = acpi_ds_exec_end_op; 100 walk_state->ascending_callback = acpi_ds_exec_end_op;
98#endif 101#endif
@@ -111,8 +114,7 @@ acpi_ds_init_callbacks (
111 * FUNCTION: acpi_ds_load1_begin_op 114 * FUNCTION: acpi_ds_load1_begin_op
112 * 115 *
113 * PARAMETERS: walk_state - Current state of the parse tree walk 116 * PARAMETERS: walk_state - Current state of the parse tree walk
114 * Op - Op that has been just been reached in the 117 * out_op - Where to return op if a new one is created
115 * walk; Arguments have not been evaluated yet.
116 * 118 *
117 * RETURN: Status 119 * RETURN: Status
118 * 120 *
@@ -146,7 +148,8 @@ acpi_ds_load1_begin_op (
146#if 0 148#if 0
147 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) || 149 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
148 (walk_state->op_info->class == AML_CLASS_CONTROL)) { 150 (walk_state->op_info->class == AML_CLASS_CONTROL)) {
149 acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n", walk_state->op_info->name); 151 acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n",
152 walk_state->op_info->name);
150 *out_op = op; 153 *out_op = op;
151 return (AE_CTRL_SKIP); 154 return (AE_CTRL_SKIP);
152 } 155 }
@@ -191,7 +194,8 @@ acpi_ds_load1_begin_op (
191 */ 194 */
192 acpi_dm_add_to_external_list (path); 195 acpi_dm_add_to_external_list (path);
193 status = acpi_ns_lookup (walk_state->scope_info, path, object_type, 196 status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
194 ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); 197 ACPI_IMODE_LOAD_PASS1, ACPI_NS_SEARCH_PARENT,
198 walk_state, &(node));
195 } 199 }
196#endif 200#endif
197 if (ACPI_FAILURE (status)) { 201 if (ACPI_FAILURE (status)) {
@@ -224,10 +228,12 @@ acpi_ds_load1_begin_op (
224 * Name (DEB, 0) 228 * Name (DEB, 0)
225 * Scope (DEB) { ... } 229 * Scope (DEB) { ... }
226 * 230 *
227 * Note: silently change the type here. On the second pass, we will report a warning 231 * Note: silently change the type here. On the second pass, we will report
232 * a warning
228 */ 233 */
229 234
230 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", 235 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
236 "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
231 path, acpi_ut_get_type_name (node->type))); 237 path, acpi_ut_get_type_name (node->type)));
232 238
233 node->type = ACPI_TYPE_ANY; 239 node->type = ACPI_TYPE_ANY;
@@ -238,7 +244,8 @@ acpi_ds_load1_begin_op (
238 244
239 /* All other types are an error */ 245 /* All other types are an error */
240 246
241 ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n", 247 ACPI_REPORT_ERROR ((
248 "Invalid type (%s) for target of Scope operator [%4.4s] (Cannot override)\n",
242 acpi_ut_get_type_name (node->type), path)); 249 acpi_ut_get_type_name (node->type), path));
243 250
244 return (AE_AML_OPERAND_TYPE); 251 return (AE_AML_OPERAND_TYPE);
@@ -249,7 +256,8 @@ acpi_ds_load1_begin_op (
249 default: 256 default:
250 257
251 /* 258 /*
252 * For all other named opcodes, we will enter the name into the namespace. 259 * For all other named opcodes, we will enter the name into
260 * the namespace.
253 * 261 *
254 * Setup the search flags. 262 * Setup the search flags.
255 * Since we are entering a name into the namespace, we do not want to 263 * Since we are entering a name into the namespace, we do not want to
@@ -279,14 +287,16 @@ acpi_ds_load1_begin_op (
279 acpi_ut_get_type_name (object_type))); 287 acpi_ut_get_type_name (object_type)));
280 } 288 }
281 else { 289 else {
282 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "[%s] Both Find or Create allowed\n", 290 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
291 "[%s] Both Find or Create allowed\n",
283 acpi_ut_get_type_name (object_type))); 292 acpi_ut_get_type_name (object_type)));
284 } 293 }
285 294
286 /* 295 /*
287 * Enter the named type into the internal namespace. We enter the name 296 * Enter the named type into the internal namespace. We enter the name
288 * as we go downward in the parse tree. Any necessary subobjects that involve 297 * as we go downward in the parse tree. Any necessary subobjects that
289 * arguments to the opcode must be created as we go back up the parse tree later. 298 * involve arguments to the opcode must be created as we go back up the
299 * parse tree later.
290 */ 300 */
291 status = acpi_ns_lookup (walk_state->scope_info, path, object_type, 301 status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
292 ACPI_IMODE_LOAD_PASS1, flags, walk_state, &(node)); 302 ACPI_IMODE_LOAD_PASS1, flags, walk_state, &(node));
@@ -335,8 +345,6 @@ acpi_ds_load1_begin_op (
335 * FUNCTION: acpi_ds_load1_end_op 345 * FUNCTION: acpi_ds_load1_end_op
336 * 346 *
337 * PARAMETERS: walk_state - Current state of the parse tree walk 347 * PARAMETERS: walk_state - Current state of the parse tree walk
338 * Op - Op that has been just been completed in the
339 * walk; Arguments have now been evaluated.
340 * 348 *
341 * RETURN: Status 349 * RETURN: Status
342 * 350 *
@@ -383,7 +391,9 @@ acpi_ds_load1_end_op (
383 391
384 if (op->common.aml_opcode == AML_REGION_OP) { 392 if (op->common.aml_opcode == AML_REGION_OP) {
385 status = acpi_ex_create_region (op->named.data, op->named.length, 393 status = acpi_ex_create_region (op->named.data, op->named.length,
386 (acpi_adr_space_type) ((op->common.value.arg)->common.value.integer), walk_state); 394 (acpi_adr_space_type)
395 ((op->common.value.arg)->common.value.integer),
396 walk_state);
387 if (ACPI_FAILURE (status)) { 397 if (ACPI_FAILURE (status)) {
388 return (status); 398 return (status);
389 } 399 }
@@ -394,7 +404,8 @@ acpi_ds_load1_end_op (
394 /* For Name opcode, get the object type from the argument */ 404 /* For Name opcode, get the object type from the argument */
395 405
396 if (op->common.value.arg) { 406 if (op->common.value.arg) {
397 object_type = (acpi_ps_get_opcode_info ((op->common.value.arg)->common.aml_opcode))->object_type; 407 object_type = (acpi_ps_get_opcode_info (
408 (op->common.value.arg)->common.aml_opcode))->object_type;
398 op->common.node->type = (u8) object_type; 409 op->common.node->type = (u8) object_type;
399 } 410 }
400 } 411 }
@@ -448,8 +459,7 @@ acpi_ds_load1_end_op (
448 * FUNCTION: acpi_ds_load2_begin_op 459 * FUNCTION: acpi_ds_load2_begin_op
449 * 460 *
450 * PARAMETERS: walk_state - Current state of the parse tree walk 461 * PARAMETERS: walk_state - Current state of the parse tree walk
451 * Op - Op that has been just been reached in the 462 * out_op - Wher to return op if a new one is created
452 * walk; Arguments have not been evaluated yet.
453 * 463 *
454 * RETURN: Status 464 * RETURN: Status
455 * 465 *
@@ -478,14 +488,20 @@ acpi_ds_load2_begin_op (
478 if (op) { 488 if (op) {
479 /* We only care about Namespace opcodes here */ 489 /* We only care about Namespace opcodes here */
480 490
481 if ((!(walk_state->op_info->flags & AML_NSOPCODE) && (walk_state->opcode != AML_INT_NAMEPATH_OP)) || 491 if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
492 (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
482 (!(walk_state->op_info->flags & AML_NAMED))) { 493 (!(walk_state->op_info->flags & AML_NAMED))) {
494 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
495 (walk_state->op_info->class == AML_CLASS_CONTROL)) {
496 ACPI_REPORT_WARNING ((
497 "Encountered executable code at module level, [%s]\n",
498 acpi_ps_get_opcode_name (walk_state->opcode)));
499 }
483 return_ACPI_STATUS (AE_OK); 500 return_ACPI_STATUS (AE_OK);
484 } 501 }
485 502
486 /* 503 /* Get the name we are going to enter or lookup in the namespace */
487 * Get the name we are going to enter or lookup in the namespace 504
488 */
489 if (walk_state->opcode == AML_INT_NAMEPATH_OP) { 505 if (walk_state->opcode == AML_INT_NAMEPATH_OP) {
490 /* For Namepath op, get the path string */ 506 /* For Namepath op, get the path string */
491 507
@@ -528,21 +544,25 @@ acpi_ds_load2_begin_op (
528 case AML_INT_NAMEPATH_OP: 544 case AML_INT_NAMEPATH_OP:
529 545
530 /* 546 /*
531 * The name_path is an object reference to an existing object. Don't enter the 547 * The name_path is an object reference to an existing object.
532 * name into the namespace, but look it up for use later 548 * Don't enter the name into the namespace, but look it up
549 * for use later.
533 */ 550 */
534 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, 551 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
535 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); 552 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
553 walk_state, &(node));
536 break; 554 break;
537 555
538 case AML_SCOPE_OP: 556 case AML_SCOPE_OP:
539 557
540 /* 558 /*
541 * The Path is an object reference to an existing object. Don't enter the 559 * The Path is an object reference to an existing object.
542 * name into the namespace, but look it up for use later 560 * Don't enter the name into the namespace, but look it up
561 * for use later.
543 */ 562 */
544 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, 563 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
545 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); 564 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
565 walk_state, &(node));
546 if (ACPI_FAILURE (status)) { 566 if (ACPI_FAILURE (status)) {
547#ifdef _ACPI_ASL_COMPILER 567#ifdef _ACPI_ASL_COMPILER
548 if (status == AE_NOT_FOUND) { 568 if (status == AE_NOT_FOUND) {
@@ -582,7 +602,8 @@ acpi_ds_load2_begin_op (
582 * Scope (DEB) { ... } 602 * Scope (DEB) { ... }
583 */ 603 */
584 604
585 ACPI_REPORT_WARNING (("Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", 605 ACPI_REPORT_WARNING ((
606 "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n",
586 buffer_ptr, acpi_ut_get_type_name (node->type))); 607 buffer_ptr, acpi_ut_get_type_name (node->type)));
587 608
588 node->type = ACPI_TYPE_ANY; 609 node->type = ACPI_TYPE_ANY;
@@ -593,7 +614,8 @@ acpi_ds_load2_begin_op (
593 614
594 /* All other types are an error */ 615 /* All other types are an error */
595 616
596 ACPI_REPORT_ERROR (("Invalid type (%s) for target of Scope operator [%4.4s]\n", 617 ACPI_REPORT_ERROR ((
618 "Invalid type (%s) for target of Scope operator [%4.4s]\n",
597 acpi_ut_get_type_name (node->type), buffer_ptr)); 619 acpi_ut_get_type_name (node->type), buffer_ptr));
598 620
599 return (AE_AML_OPERAND_TYPE); 621 return (AE_AML_OPERAND_TYPE);
@@ -621,8 +643,9 @@ acpi_ds_load2_begin_op (
621 643
622 /* 644 /*
623 * Enter the named type into the internal namespace. We enter the name 645 * Enter the named type into the internal namespace. We enter the name
624 * as we go downward in the parse tree. Any necessary subobjects that involve 646 * as we go downward in the parse tree. Any necessary subobjects that
625 * arguments to the opcode must be created as we go back up the parse tree later. 647 * involve arguments to the opcode must be created as we go back up the
648 * parse tree later.
626 * 649 *
627 * Note: Name may already exist if we are executing a deferred opcode. 650 * Note: Name may already exist if we are executing a deferred opcode.
628 */ 651 */
@@ -635,7 +658,8 @@ acpi_ds_load2_begin_op (
635 } 658 }
636 659
637 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, 660 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
638 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, walk_state, &(node)); 661 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH,
662 walk_state, &(node));
639 break; 663 break;
640 } 664 }
641 665
@@ -678,8 +702,6 @@ acpi_ds_load2_begin_op (
678 * FUNCTION: acpi_ds_load2_end_op 702 * FUNCTION: acpi_ds_load2_end_op
679 * 703 *
680 * PARAMETERS: walk_state - Current state of the parse tree walk 704 * PARAMETERS: walk_state - Current state of the parse tree walk
681 * Op - Op that has been just been completed in the
682 * walk; Arguments have now been evaluated.
683 * 705 *
684 * RETURN: Status 706 * RETURN: Status
685 * 707 *
@@ -738,7 +760,8 @@ acpi_ds_load2_end_op (
738 760
739 /* Pop the scope stack */ 761 /* Pop the scope stack */
740 762
741 if (acpi_ns_opens_scope (object_type) && (op->common.aml_opcode != AML_INT_METHODCALL_OP)) { 763 if (acpi_ns_opens_scope (object_type) &&
764 (op->common.aml_opcode != AML_INT_METHODCALL_OP)) {
742 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n", 765 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "(%s) Popping scope for Op %p\n",
743 acpi_ut_get_type_name (object_type), op)); 766 acpi_ut_get_type_name (object_type), op));
744 767
@@ -803,7 +826,7 @@ acpi_ds_load2_end_op (
803 case AML_INDEX_FIELD_OP: 826 case AML_INDEX_FIELD_OP:
804 827
805 status = acpi_ds_create_index_field (op, (acpi_handle) arg->common.node, 828 status = acpi_ds_create_index_field (op, (acpi_handle) arg->common.node,
806 walk_state); 829 walk_state);
807 break; 830 break;
808 831
809 case AML_BANK_FIELD_OP: 832 case AML_BANK_FIELD_OP:
@@ -884,14 +907,16 @@ acpi_ds_load2_end_op (
884#ifndef ACPI_NO_METHOD_EXECUTION 907#ifndef ACPI_NO_METHOD_EXECUTION
885 case AML_REGION_OP: 908 case AML_REGION_OP:
886 /* 909 /*
887 * The op_region is not fully parsed at this time. Only valid argument is the space_id. 910 * The op_region is not fully parsed at this time. Only valid
888 * (We must save the address of the AML of the address and length operands) 911 * argument is the space_id. (We must save the address of the
912 * AML of the address and length operands)
889 */ 913 */
890 /* 914 /*
891 * If we have a valid region, initialize it 915 * If we have a valid region, initialize it
892 * Namespace is NOT locked at this point. 916 * Namespace is NOT locked at this point.
893 */ 917 */
894 status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node), FALSE); 918 status = acpi_ev_initialize_region (acpi_ns_get_attached_object (node),
919 FALSE);
895 if (ACPI_FAILURE (status)) { 920 if (ACPI_FAILURE (status)) {
896 /* 921 /*
897 * If AE_NOT_EXIST is returned, it is not fatal 922 * If AE_NOT_EXIST is returned, it is not fatal
@@ -942,15 +967,16 @@ acpi_ds_load2_end_op (
942 if (ACPI_SUCCESS (status)) { 967 if (ACPI_SUCCESS (status)) {
943 /* 968 /*
944 * Make sure that what we found is indeed a method 969 * Make sure that what we found is indeed a method
945 * We didn't search for a method on purpose, to see if the name would resolve 970 * We didn't search for a method on purpose, to see if the name
971 * would resolve
946 */ 972 */
947 if (new_node->type != ACPI_TYPE_METHOD) { 973 if (new_node->type != ACPI_TYPE_METHOD) {
948 status = AE_AML_OPERAND_TYPE; 974 status = AE_AML_OPERAND_TYPE;
949 } 975 }
950 976
951 /* We could put the returned object (Node) on the object stack for later, but 977 /* We could put the returned object (Node) on the object stack for
952 * for now, we will put it in the "op" object that the parser uses, so we 978 * later, but for now, we will put it in the "op" object that the
953 * can get it again at the end of this scope 979 * parser uses, so we can get it again at the end of this scope
954 */ 980 */
955 op->common.node = new_node; 981 op->common.node = new_node;
956 } 982 }
diff --git a/drivers/acpi/dispatcher/dswscope.c b/drivers/acpi/dispatcher/dswscope.c
index 65f456151e25..21f4548ff323 100644
--- a/drivers/acpi/dispatcher/dswscope.c
+++ b/drivers/acpi/dispatcher/dswscope.c
@@ -50,14 +50,13 @@
50 ACPI_MODULE_NAME ("dswscope") 50 ACPI_MODULE_NAME ("dswscope")
51 51
52 52
53#define STACK_POP(head) head
54
55
56/**************************************************************************** 53/****************************************************************************
57 * 54 *
58 * FUNCTION: acpi_ds_scope_stack_clear 55 * FUNCTION: acpi_ds_scope_stack_clear
59 * 56 *
60 * PARAMETERS: None 57 * PARAMETERS: walk_state - Current state
58 *
59 * RETURN: None
61 * 60 *
62 * DESCRIPTION: Pop (and free) everything on the scope stack except the 61 * DESCRIPTION: Pop (and free) everything on the scope stack except the
63 * root scope object (which remains at the stack top.) 62 * root scope object (which remains at the stack top.)
@@ -80,7 +79,8 @@ acpi_ds_scope_stack_clear (
80 walk_state->scope_info = scope_info->scope.next; 79 walk_state->scope_info = scope_info->scope.next;
81 80
82 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 81 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
83 "Popped object type (%s)\n", acpi_ut_get_type_name (scope_info->common.value))); 82 "Popped object type (%s)\n",
83 acpi_ut_get_type_name (scope_info->common.value)));
84 acpi_ut_delete_generic_state (scope_info); 84 acpi_ut_delete_generic_state (scope_info);
85 } 85 }
86} 86}
@@ -90,8 +90,11 @@ acpi_ds_scope_stack_clear (
90 * 90 *
91 * FUNCTION: acpi_ds_scope_stack_push 91 * FUNCTION: acpi_ds_scope_stack_push
92 * 92 *
93 * PARAMETERS: *Node, - Name to be made current 93 * PARAMETERS: Node - Name to be made current
94 * Type, - Type of frame being pushed 94 * Type - Type of frame being pushed
95 * walk_state - Current state
96 *
97 * RETURN: Status
95 * 98 *
96 * DESCRIPTION: Push the current scope on the scope stack, and make the 99 * DESCRIPTION: Push the current scope on the scope stack, and make the
97 * passed Node current. 100 * passed Node current.
@@ -121,7 +124,8 @@ acpi_ds_scope_stack_push (
121 /* Make sure object type is valid */ 124 /* Make sure object type is valid */
122 125
123 if (!acpi_ut_valid_object_type (type)) { 126 if (!acpi_ut_valid_object_type (type)) {
124 ACPI_REPORT_WARNING (("ds_scope_stack_push: Invalid object type: 0x%X\n", type)); 127 ACPI_REPORT_WARNING ((
128 "ds_scope_stack_push: Invalid object type: 0x%X\n", type));
125 } 129 }
126 130
127 /* Allocate a new scope object */ 131 /* Allocate a new scope object */
@@ -170,16 +174,11 @@ acpi_ds_scope_stack_push (
170 * 174 *
171 * FUNCTION: acpi_ds_scope_stack_pop 175 * FUNCTION: acpi_ds_scope_stack_pop
172 * 176 *
173 * PARAMETERS: Type - The type of frame to be found 177 * PARAMETERS: walk_state - Current state
174 * 178 *
175 * DESCRIPTION: Pop the scope stack until a frame of the requested type 179 * RETURN: Status
176 * is found.
177 * 180 *
178 * RETURN: Count of frames popped. If no frame of the requested type 181 * DESCRIPTION: Pop the scope stack once.
179 * was found, the count is returned as a negative number and
180 * the scope stack is emptied (which sets the current scope
181 * to the root). If the scope stack was empty at entry, the
182 * function is a no-op and returns 0.
183 * 182 *
184 ***************************************************************************/ 183 ***************************************************************************/
185 184
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index e555b3fbd5e5..9cd3db652b31 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -50,67 +50,31 @@
50#define _COMPONENT ACPI_DISPATCHER 50#define _COMPONENT ACPI_DISPATCHER
51 ACPI_MODULE_NAME ("dswstate") 51 ACPI_MODULE_NAME ("dswstate")
52 52
53/* Local prototypes */
53 54
54#ifdef ACPI_FUTURE_USAGE 55#ifdef ACPI_OBSOLETE_FUNCTIONS
55
56/*******************************************************************************
57 *
58 * FUNCTION: acpi_ds_result_insert
59 *
60 * PARAMETERS: Object - Object to push
61 * Index - Where to insert the object
62 * walk_state - Current Walk state
63 *
64 * RETURN: Status
65 *
66 * DESCRIPTION: Insert an object onto this walk's result stack
67 *
68 ******************************************************************************/
69
70acpi_status 56acpi_status
71acpi_ds_result_insert ( 57acpi_ds_result_insert (
72 void *object, 58 void *object,
73 u32 index, 59 u32 index,
74 struct acpi_walk_state *walk_state) 60 struct acpi_walk_state *walk_state);
75{
76 union acpi_generic_state *state;
77
78 61
79 ACPI_FUNCTION_NAME ("ds_result_insert"); 62acpi_status
80 63acpi_ds_obj_stack_delete_all (
81 64 struct acpi_walk_state *walk_state);
82 state = walk_state->results;
83 if (!state) {
84 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
85 walk_state));
86 return (AE_NOT_EXIST);
87 }
88
89 if (index >= ACPI_OBJ_NUM_OPERANDS) {
90 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
91 "Index out of range: %X Obj=%p State=%p Num=%X\n",
92 index, object, walk_state, state->results.num_results));
93 return (AE_BAD_PARAMETER);
94 }
95
96 if (!object) {
97 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
98 "Null Object! Index=%X Obj=%p State=%p Num=%X\n",
99 index, object, walk_state, state->results.num_results));
100 return (AE_BAD_PARAMETER);
101 }
102
103 state->results.obj_desc [index] = object;
104 state->results.num_results++;
105 65
106 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 66acpi_status
107 "Obj=%p [%s] State=%p Num=%X Cur=%X\n", 67acpi_ds_obj_stack_pop_object (
108 object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL", 68 union acpi_operand_object **object,
109 walk_state, state->results.num_results, walk_state->current_result)); 69 struct acpi_walk_state *walk_state);
110 70
111 return (AE_OK); 71void *
112} 72acpi_ds_obj_stack_get_value (
73 u32 index,
74 struct acpi_walk_state *walk_state);
75#endif
113 76
77#ifdef ACPI_FUTURE_USAGE
114 78
115/******************************************************************************* 79/*******************************************************************************
116 * 80 *
@@ -178,7 +142,6 @@ acpi_ds_result_remove (
178 142
179#endif /* ACPI_FUTURE_USAGE */ 143#endif /* ACPI_FUTURE_USAGE */
180 144
181
182/******************************************************************************* 145/*******************************************************************************
183 * 146 *
184 * FUNCTION: acpi_ds_result_pop 147 * FUNCTION: acpi_ds_result_pop
@@ -227,15 +190,18 @@ acpi_ds_result_pop (
227 *object = state->results.obj_desc [index -1]; 190 *object = state->results.obj_desc [index -1];
228 state->results.obj_desc [index -1] = NULL; 191 state->results.obj_desc [index -1] = NULL;
229 192
230 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Index=%X State=%p Num=%X\n", 193 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
231 *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL", 194 "Obj=%p [%s] Index=%X State=%p Num=%X\n",
195 *object,
196 (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
232 (u32) index -1, walk_state, state->results.num_results)); 197 (u32) index -1, walk_state, state->results.num_results));
233 198
234 return (AE_OK); 199 return (AE_OK);
235 } 200 }
236 } 201 }
237 202
238 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state)); 203 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
204 "No result objects! State=%p\n", walk_state));
239 return (AE_AML_NO_RETURN_VALUE); 205 return (AE_AML_NO_RETURN_VALUE);
240} 206}
241 207
@@ -274,7 +240,8 @@ acpi_ds_result_pop_from_bottom (
274 } 240 }
275 241
276 if (!state->results.num_results) { 242 if (!state->results.num_results) {
277 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n", walk_state)); 243 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result objects! State=%p\n",
244 walk_state));
278 return (AE_AML_NO_RETURN_VALUE); 245 return (AE_AML_NO_RETURN_VALUE);
279 } 246 }
280 247
@@ -293,7 +260,8 @@ acpi_ds_result_pop_from_bottom (
293 /* Check for a valid result object */ 260 /* Check for a valid result object */
294 261
295 if (!*object) { 262 if (!*object) {
296 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null operand! State=%p #Ops=%X, Index=%X\n", 263 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
264 "Null operand! State=%p #Ops=%X, Index=%X\n",
297 walk_state, state->results.num_results, (u32) index)); 265 walk_state, state->results.num_results, (u32) index));
298 return (AE_AML_NO_RETURN_VALUE); 266 return (AE_AML_NO_RETURN_VALUE);
299 } 267 }
@@ -344,7 +312,8 @@ acpi_ds_result_push (
344 } 312 }
345 313
346 if (!object) { 314 if (!object) {
347 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Null Object! Obj=%p State=%p Num=%X\n", 315 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
316 "Null Object! Obj=%p State=%p Num=%X\n",
348 object, walk_state, state->results.num_results)); 317 object, walk_state, state->results.num_results));
349 return (AE_BAD_PARAMETER); 318 return (AE_BAD_PARAMETER);
350 } 319 }
@@ -439,43 +408,6 @@ acpi_ds_result_stack_pop (
439 408
440/******************************************************************************* 409/*******************************************************************************
441 * 410 *
442 * FUNCTION: acpi_ds_obj_stack_delete_all
443 *
444 * PARAMETERS: walk_state - Current Walk state
445 *
446 * RETURN: Status
447 *
448 * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
449 * Should be used with great care, if at all!
450 *
451 ******************************************************************************/
452#ifdef ACPI_FUTURE_USAGE
453acpi_status
454acpi_ds_obj_stack_delete_all (
455 struct acpi_walk_state *walk_state)
456{
457 u32 i;
458
459
460 ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state);
461
462
463 /* The stack size is configurable, but fixed */
464
465 for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
466 if (walk_state->operands[i]) {
467 acpi_ut_remove_reference (walk_state->operands[i]);
468 walk_state->operands[i] = NULL;
469 }
470 }
471
472 return_ACPI_STATUS (AE_OK);
473}
474#endif /* ACPI_FUTURE_USAGE */
475
476
477/*******************************************************************************
478 *
479 * FUNCTION: acpi_ds_obj_stack_push 411 * FUNCTION: acpi_ds_obj_stack_push
480 * 412 *
481 * PARAMETERS: Object - Object to push 413 * PARAMETERS: Object - Object to push
@@ -517,67 +449,6 @@ acpi_ds_obj_stack_push (
517} 449}
518 450
519 451
520#if 0
521/*******************************************************************************
522 *
523 * FUNCTION: acpi_ds_obj_stack_pop_object
524 *
525 * PARAMETERS: pop_count - Number of objects/entries to pop
526 * walk_state - Current Walk state
527 *
528 * RETURN: Status
529 *
530 * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT
531 * deleted by this routine.
532 *
533 ******************************************************************************/
534
535acpi_status
536acpi_ds_obj_stack_pop_object (
537 union acpi_operand_object **object,
538 struct acpi_walk_state *walk_state)
539{
540 ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object");
541
542
543 /* Check for stack underflow */
544
545 if (walk_state->num_operands == 0) {
546 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
547 "Missing operand/stack empty! State=%p #Ops=%X\n",
548 walk_state, walk_state->num_operands));
549 *object = NULL;
550 return (AE_AML_NO_OPERAND);
551 }
552
553 /* Pop the stack */
554
555 walk_state->num_operands--;
556
557 /* Check for a valid operand */
558
559 if (!walk_state->operands [walk_state->num_operands]) {
560 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
561 "Null operand! State=%p #Ops=%X\n",
562 walk_state, walk_state->num_operands));
563 *object = NULL;
564 return (AE_AML_NO_OPERAND);
565 }
566
567 /* Get operand and set stack entry to null */
568
569 *object = walk_state->operands [walk_state->num_operands];
570 walk_state->operands [walk_state->num_operands] = NULL;
571
572 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
573 *object, acpi_ut_get_object_type_name (*object),
574 walk_state, walk_state->num_operands));
575
576 return (AE_OK);
577}
578#endif
579
580
581/******************************************************************************* 452/*******************************************************************************
582 * 453 *
583 * FUNCTION: acpi_ds_obj_stack_pop 454 * FUNCTION: acpi_ds_obj_stack_pop
@@ -680,48 +551,6 @@ acpi_ds_obj_stack_pop_and_delete (
680 551
681/******************************************************************************* 552/*******************************************************************************
682 * 553 *
683 * FUNCTION: acpi_ds_obj_stack_get_value
684 *
685 * PARAMETERS: Index - Stack index whose value is desired. Based
686 * on the top of the stack (index=0 == top)
687 * walk_state - Current Walk state
688 *
689 * RETURN: Status
690 *
691 * DESCRIPTION: Retrieve an object from this walk's object stack. Index must
692 * be within the range of the current stack pointer.
693 *
694 ******************************************************************************/
695#ifdef ACPI_FUTURE_USAGE
696void *
697acpi_ds_obj_stack_get_value (
698 u32 index,
699 struct acpi_walk_state *walk_state)
700{
701
702 ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state);
703
704
705 /* Can't do it if the stack is empty */
706
707 if (walk_state->num_operands == 0) {
708 return_PTR (NULL);
709 }
710
711 /* or if the index is past the top of the stack */
712
713 if (index > (walk_state->num_operands - (u32) 1)) {
714 return_PTR (NULL);
715 }
716
717 return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) -
718 index]);
719}
720#endif /* ACPI_FUTURE_USAGE */
721
722
723/*******************************************************************************
724 *
725 * FUNCTION: acpi_ds_get_current_walk_state 554 * FUNCTION: acpi_ds_get_current_walk_state
726 * 555 *
727 * PARAMETERS: Thread - Get current active state for this Thread 556 * PARAMETERS: Thread - Get current active state for this Thread
@@ -757,11 +586,11 @@ acpi_ds_get_current_walk_state (
757 * FUNCTION: acpi_ds_push_walk_state 586 * FUNCTION: acpi_ds_push_walk_state
758 * 587 *
759 * PARAMETERS: walk_state - State to push 588 * PARAMETERS: walk_state - State to push
760 * walk_list - The list that owns the walk stack 589 * Thread - Thread state object
761 * 590 *
762 * RETURN: None 591 * RETURN: None
763 * 592 *
764 * DESCRIPTION: Place the walk_state at the head of the state list. 593 * DESCRIPTION: Place the Thread state at the head of the state list.
765 * 594 *
766 ******************************************************************************/ 595 ******************************************************************************/
767 596
@@ -784,9 +613,9 @@ acpi_ds_push_walk_state (
784 * 613 *
785 * FUNCTION: acpi_ds_pop_walk_state 614 * FUNCTION: acpi_ds_pop_walk_state
786 * 615 *
787 * PARAMETERS: walk_list - The list that owns the walk stack 616 * PARAMETERS: Thread - Current thread state
788 * 617 *
789 * RETURN: A walk_state object popped from the stack 618 * RETURN: A walk_state object popped from the thread's stack
790 * 619 *
791 * DESCRIPTION: Remove and return the walkstate object that is at the head of 620 * DESCRIPTION: Remove and return the walkstate object that is at the head of
792 * the walk stack for the given walk list. NULL indicates that 621 * the walk stack for the given walk list. NULL indicates that
@@ -814,7 +643,7 @@ acpi_ds_pop_walk_state (
814 /* 643 /*
815 * Don't clear the NEXT field, this serves as an indicator 644 * Don't clear the NEXT field, this serves as an indicator
816 * that there is a parent WALK STATE 645 * that there is a parent WALK STATE
817 * NO: walk_state->Next = NULL; 646 * Do Not: walk_state->Next = NULL;
818 */ 647 */
819 } 648 }
820 649
@@ -826,7 +655,9 @@ acpi_ds_pop_walk_state (
826 * 655 *
827 * FUNCTION: acpi_ds_create_walk_state 656 * FUNCTION: acpi_ds_create_walk_state
828 * 657 *
829 * PARAMETERS: Origin - Starting point for this walk 658 * PARAMETERS: owner_id - ID for object creation
659 * Origin - Starting point for this walk
660 * mth_desc - Method object
830 * Thread - Current thread state 661 * Thread - Current thread state
831 * 662 *
832 * RETURN: Pointer to the new walk state. 663 * RETURN: Pointer to the new walk state.
@@ -896,8 +727,7 @@ acpi_ds_create_walk_state (
896 * method_node - Control method NS node, if any 727 * method_node - Control method NS node, if any
897 * aml_start - Start of AML 728 * aml_start - Start of AML
898 * aml_length - Length of AML 729 * aml_length - Length of AML
899 * Params - Method args, if any 730 * Info - Method info block (params, etc.)
900 * return_obj_desc - Where to store a return object, if any
901 * pass_number - 1, 2, or 3 731 * pass_number - 1, 2, or 3
902 * 732 *
903 * RETURN: Status 733 * RETURN: Status
@@ -931,7 +761,7 @@ acpi_ds_init_aml_walk (
931 761
932 /* The next_op of the next_walk will be the beginning of the method */ 762 /* The next_op of the next_walk will be the beginning of the method */
933 763
934 walk_state->next_op = NULL; 764 walk_state->next_op = NULL;
935 765
936 if (info) { 766 if (info) {
937 if (info->parameter_type == ACPI_PARAM_GPE) { 767 if (info->parameter_type == ACPI_PARAM_GPE) {
@@ -939,8 +769,8 @@ acpi_ds_init_aml_walk (
939 info->parameters); 769 info->parameters);
940 } 770 }
941 else { 771 else {
942 walk_state->params = info->parameters; 772 walk_state->params = info->parameters;
943 walk_state->caller_return_desc = &info->return_object; 773 walk_state->caller_return_desc = &info->return_object;
944 } 774 }
945 } 775 }
946 776
@@ -964,7 +794,8 @@ acpi_ds_init_aml_walk (
964 794
965 /* Init the method arguments */ 795 /* Init the method arguments */
966 796
967 status = acpi_ds_method_data_init_args (walk_state->params, ACPI_METHOD_NUM_ARGS, walk_state); 797 status = acpi_ds_method_data_init_args (walk_state->params,
798 ACPI_METHOD_NUM_ARGS, walk_state);
968 if (ACPI_FAILURE (status)) { 799 if (ACPI_FAILURE (status)) {
969 return_ACPI_STATUS (status); 800 return_ACPI_STATUS (status);
970 } 801 }
@@ -1031,12 +862,14 @@ acpi_ds_delete_walk_state (
1031 } 862 }
1032 863
1033 if (walk_state->data_type != ACPI_DESC_TYPE_WALK) { 864 if (walk_state->data_type != ACPI_DESC_TYPE_WALK) {
1034 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n", walk_state)); 865 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p is not a valid walk state\n",
866 walk_state));
1035 return; 867 return;
1036 } 868 }
1037 869
1038 if (walk_state->parser_state.scope) { 870 if (walk_state->parser_state.scope) {
1039 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n", walk_state)); 871 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "%p walk still has a scope list\n",
872 walk_state));
1040 } 873 }
1041 874
1042 /* Always must free any linked control states */ 875 /* Always must free any linked control states */
@@ -1078,7 +911,7 @@ acpi_ds_delete_walk_state (
1078 * 911 *
1079 * PARAMETERS: None 912 * PARAMETERS: None
1080 * 913 *
1081 * RETURN: Status 914 * RETURN: None
1082 * 915 *
1083 * DESCRIPTION: Purge the global state object cache. Used during subsystem 916 * DESCRIPTION: Purge the global state object cache. Used during subsystem
1084 * termination. 917 * termination.
@@ -1098,3 +931,200 @@ acpi_ds_delete_walk_state_cache (
1098#endif 931#endif
1099 932
1100 933
934#ifdef ACPI_OBSOLETE_FUNCTIONS
935/*******************************************************************************
936 *
937 * FUNCTION: acpi_ds_result_insert
938 *
939 * PARAMETERS: Object - Object to push
940 * Index - Where to insert the object
941 * walk_state - Current Walk state
942 *
943 * RETURN: Status
944 *
945 * DESCRIPTION: Insert an object onto this walk's result stack
946 *
947 ******************************************************************************/
948
949acpi_status
950acpi_ds_result_insert (
951 void *object,
952 u32 index,
953 struct acpi_walk_state *walk_state)
954{
955 union acpi_generic_state *state;
956
957
958 ACPI_FUNCTION_NAME ("ds_result_insert");
959
960
961 state = walk_state->results;
962 if (!state) {
963 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No result object pushed! State=%p\n",
964 walk_state));
965 return (AE_NOT_EXIST);
966 }
967
968 if (index >= ACPI_OBJ_NUM_OPERANDS) {
969 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
970 "Index out of range: %X Obj=%p State=%p Num=%X\n",
971 index, object, walk_state, state->results.num_results));
972 return (AE_BAD_PARAMETER);
973 }
974
975 if (!object) {
976 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
977 "Null Object! Index=%X Obj=%p State=%p Num=%X\n",
978 index, object, walk_state, state->results.num_results));
979 return (AE_BAD_PARAMETER);
980 }
981
982 state->results.obj_desc [index] = object;
983 state->results.num_results++;
984
985 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
986 "Obj=%p [%s] State=%p Num=%X Cur=%X\n",
987 object, object ? acpi_ut_get_object_type_name ((union acpi_operand_object *) object) : "NULL",
988 walk_state, state->results.num_results, walk_state->current_result));
989
990 return (AE_OK);
991}
992
993
994/*******************************************************************************
995 *
996 * FUNCTION: acpi_ds_obj_stack_delete_all
997 *
998 * PARAMETERS: walk_state - Current Walk state
999 *
1000 * RETURN: Status
1001 *
1002 * DESCRIPTION: Clear the object stack by deleting all objects that are on it.
1003 * Should be used with great care, if at all!
1004 *
1005 ******************************************************************************/
1006
1007acpi_status
1008acpi_ds_obj_stack_delete_all (
1009 struct acpi_walk_state *walk_state)
1010{
1011 u32 i;
1012
1013
1014 ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_delete_all", walk_state);
1015
1016
1017 /* The stack size is configurable, but fixed */
1018
1019 for (i = 0; i < ACPI_OBJ_NUM_OPERANDS; i++) {
1020 if (walk_state->operands[i]) {
1021 acpi_ut_remove_reference (walk_state->operands[i]);
1022 walk_state->operands[i] = NULL;
1023 }
1024 }
1025
1026 return_ACPI_STATUS (AE_OK);
1027}
1028
1029
1030/*******************************************************************************
1031 *
1032 * FUNCTION: acpi_ds_obj_stack_pop_object
1033 *
1034 * PARAMETERS: Object - Where to return the popped object
1035 * walk_state - Current Walk state
1036 *
1037 * RETURN: Status
1038 *
1039 * DESCRIPTION: Pop this walk's object stack. Objects on the stack are NOT
1040 * deleted by this routine.
1041 *
1042 ******************************************************************************/
1043
1044acpi_status
1045acpi_ds_obj_stack_pop_object (
1046 union acpi_operand_object **object,
1047 struct acpi_walk_state *walk_state)
1048{
1049 ACPI_FUNCTION_NAME ("ds_obj_stack_pop_object");
1050
1051
1052 /* Check for stack underflow */
1053
1054 if (walk_state->num_operands == 0) {
1055 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
1056 "Missing operand/stack empty! State=%p #Ops=%X\n",
1057 walk_state, walk_state->num_operands));
1058 *object = NULL;
1059 return (AE_AML_NO_OPERAND);
1060 }
1061
1062 /* Pop the stack */
1063
1064 walk_state->num_operands--;
1065
1066 /* Check for a valid operand */
1067
1068 if (!walk_state->operands [walk_state->num_operands]) {
1069 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
1070 "Null operand! State=%p #Ops=%X\n",
1071 walk_state, walk_state->num_operands));
1072 *object = NULL;
1073 return (AE_AML_NO_OPERAND);
1074 }
1075
1076 /* Get operand and set stack entry to null */
1077
1078 *object = walk_state->operands [walk_state->num_operands];
1079 walk_state->operands [walk_state->num_operands] = NULL;
1080
1081 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] State=%p #Ops=%X\n",
1082 *object, acpi_ut_get_object_type_name (*object),
1083 walk_state, walk_state->num_operands));
1084
1085 return (AE_OK);
1086}
1087
1088
1089/*******************************************************************************
1090 *
1091 * FUNCTION: acpi_ds_obj_stack_get_value
1092 *
1093 * PARAMETERS: Index - Stack index whose value is desired. Based
1094 * on the top of the stack (index=0 == top)
1095 * walk_state - Current Walk state
1096 *
1097 * RETURN: Pointer to the requested operand
1098 *
1099 * DESCRIPTION: Retrieve an object from this walk's operand stack. Index must
1100 * be within the range of the current stack pointer.
1101 *
1102 ******************************************************************************/
1103
1104void *
1105acpi_ds_obj_stack_get_value (
1106 u32 index,
1107 struct acpi_walk_state *walk_state)
1108{
1109
1110 ACPI_FUNCTION_TRACE_PTR ("ds_obj_stack_get_value", walk_state);
1111
1112
1113 /* Can't do it if the stack is empty */
1114
1115 if (walk_state->num_operands == 0) {
1116 return_PTR (NULL);
1117 }
1118
1119 /* or if the index is past the top of the stack */
1120
1121 if (index > (walk_state->num_operands - (u32) 1)) {
1122 return_PTR (NULL);
1123 }
1124
1125 return_PTR (walk_state->operands[(acpi_native_uint)(walk_state->num_operands - 1) -
1126 index]);
1127}
1128#endif
1129
1130
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-07 03:49:39 -0500