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-rw-r--r--drivers/acpi/dispatcher/dsinit.c26
-rw-r--r--drivers/acpi/dispatcher/dsmethod.c67
-rw-r--r--drivers/acpi/dispatcher/dsmthdat.c15
-rw-r--r--drivers/acpi/dispatcher/dsobject.c3
-rw-r--r--drivers/acpi/dispatcher/dsopcode.c15
-rw-r--r--drivers/acpi/dispatcher/dswload.c63
-rw-r--r--drivers/acpi/dispatcher/dswstate.c40
-rw-r--r--drivers/acpi/events/evgpe.c5
-rw-r--r--drivers/acpi/events/evgpeblk.c63
-rw-r--r--drivers/acpi/events/evmisc.c7
-rw-r--r--drivers/acpi/events/evrgnini.c10
-rw-r--r--drivers/acpi/events/evxface.c10
-rw-r--r--drivers/acpi/events/evxfevnt.c6
-rw-r--r--drivers/acpi/executer/exconfig.c48
-rw-r--r--drivers/acpi/executer/exconvrt.c2
-rw-r--r--drivers/acpi/executer/exdump.c189
-rw-r--r--drivers/acpi/executer/exfield.c5
-rw-r--r--drivers/acpi/executer/exmisc.c2
-rw-r--r--drivers/acpi/executer/exnames.c7
-rw-r--r--drivers/acpi/executer/exoparg1.c29
-rw-r--r--drivers/acpi/executer/exoparg3.c63
-rw-r--r--drivers/acpi/executer/exresop.c16
-rw-r--r--drivers/acpi/executer/exstore.c6
-rw-r--r--drivers/acpi/executer/exstoren.c4
-rw-r--r--drivers/acpi/executer/exutils.c2
-rw-r--r--drivers/acpi/hardware/hwgpe.c20
-rw-r--r--drivers/acpi/hardware/hwregs.c2
-rw-r--r--drivers/acpi/hardware/hwsleep.c12
-rw-r--r--drivers/acpi/namespace/nsaccess.c13
-rw-r--r--drivers/acpi/namespace/nsalloc.c130
-rw-r--r--drivers/acpi/namespace/nsdump.c80
-rw-r--r--drivers/acpi/namespace/nseval.c10
-rw-r--r--drivers/acpi/namespace/nsload.c42
-rw-r--r--drivers/acpi/namespace/nsparse.c6
-rw-r--r--drivers/acpi/osl.c196
-rw-r--r--drivers/acpi/parser/Makefile2
-rw-r--r--drivers/acpi/parser/psloop.c781
-rw-r--r--drivers/acpi/parser/psopcode.c30
-rw-r--r--drivers/acpi/parser/psparse.c723
-rw-r--r--drivers/acpi/parser/psutils.c37
-rw-r--r--drivers/acpi/parser/psxface.c241
-rw-r--r--drivers/acpi/resources/rsdump.c4
-rw-r--r--drivers/acpi/tables/tbconvrt.c8
-rw-r--r--drivers/acpi/tables/tbinstal.c34
-rw-r--r--drivers/acpi/tables/tbrsdt.c59
-rw-r--r--drivers/acpi/tables/tbutils.c67
-rw-r--r--drivers/acpi/tables/tbxface.c17
-rw-r--r--drivers/acpi/tables/tbxfroot.c120
-rw-r--r--drivers/acpi/utilities/Makefile2
-rw-r--r--drivers/acpi/utilities/utalloc.c304
-rw-r--r--drivers/acpi/utilities/utcache.c328
-rw-r--r--drivers/acpi/utilities/utcopy.c46
-rw-r--r--drivers/acpi/utilities/utdebug.c228
-rw-r--r--drivers/acpi/utilities/utdelete.c140
-rw-r--r--drivers/acpi/utilities/utglobal.c108
-rw-r--r--drivers/acpi/utilities/utinit.c2
-rw-r--r--drivers/acpi/utilities/utmisc.c799
-rw-r--r--drivers/acpi/utilities/utmutex.c380
-rw-r--r--drivers/acpi/utilities/utobject.c34
-rw-r--r--drivers/acpi/utilities/utstate.c376
-rw-r--r--drivers/acpi/utilities/utxface.c23
61 files changed, 3409 insertions, 2698 deletions
diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index d7790db50178..bcd1d472b90f 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -86,20 +86,20 @@ acpi_ds_init_one_object (
86 void *context, 86 void *context,
87 void **return_value) 87 void **return_value)
88{ 88{
89 struct acpi_init_walk_info *info = (struct acpi_init_walk_info *) context;
90 struct acpi_namespace_node *node = (struct acpi_namespace_node *) obj_handle;
89 acpi_object_type type; 91 acpi_object_type type;
90 acpi_status status; 92 acpi_status status;
91 struct acpi_init_walk_info *info = (struct acpi_init_walk_info *) context;
92 93
93 94
94 ACPI_FUNCTION_NAME ("ds_init_one_object"); 95 ACPI_FUNCTION_NAME ("ds_init_one_object");
95 96
96 97
97 /* 98 /*
98 * We are only interested in objects owned by the table that 99 * We are only interested in NS nodes owned by the table that
99 * was just loaded 100 * was just loaded
100 */ 101 */
101 if (((struct acpi_namespace_node *) obj_handle)->owner_id != 102 if (node->owner_id != info->table_desc->owner_id) {
102 info->table_desc->table_id) {
103 return (AE_OK); 103 return (AE_OK);
104 } 104 }
105 105
@@ -126,8 +126,6 @@ acpi_ds_init_one_object (
126 126
127 case ACPI_TYPE_METHOD: 127 case ACPI_TYPE_METHOD:
128 128
129 info->method_count++;
130
131 /* 129 /*
132 * Print a dot for each method unless we are going to print 130 * Print a dot for each method unless we are going to print
133 * the entire pathname 131 * the entire pathname
@@ -143,7 +141,7 @@ acpi_ds_init_one_object (
143 * on a per-table basis. Currently, we just use a global for the width. 141 * on a per-table basis. Currently, we just use a global for the width.
144 */ 142 */
145 if (info->table_desc->pointer->revision == 1) { 143 if (info->table_desc->pointer->revision == 1) {
146 ((struct acpi_namespace_node *) obj_handle)->flags |= ANOBJ_DATA_WIDTH_32; 144 node->flags |= ANOBJ_DATA_WIDTH_32;
147 } 145 }
148 146
149 /* 147 /*
@@ -153,22 +151,14 @@ acpi_ds_init_one_object (
153 status = acpi_ds_parse_method (obj_handle); 151 status = acpi_ds_parse_method (obj_handle);
154 if (ACPI_FAILURE (status)) { 152 if (ACPI_FAILURE (status)) {
155 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 153 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
156 "Method %p [%4.4s] - parse failure, %s\n", 154 "\n+Method %p [%4.4s] - parse failure, %s\n",
157 obj_handle, acpi_ut_get_node_name (obj_handle), 155 obj_handle, acpi_ut_get_node_name (obj_handle),
158 acpi_format_exception (status))); 156 acpi_format_exception (status)));
159 157
160 /* This parse failed, but we will continue parsing more methods */ 158 /* This parse failed, but we will continue parsing more methods */
161
162 break;
163 } 159 }
164 160
165 /* 161 info->method_count++;
166 * Delete the parse tree. We simply re-parse the method
167 * for every execution since there isn't much overhead
168 */
169 acpi_ns_delete_namespace_subtree (obj_handle);
170 acpi_ns_delete_namespace_by_owner (
171 ((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
172 break; 162 break;
173 163
174 164
@@ -237,7 +227,7 @@ acpi_ds_initialize_objects (
237 227
238 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, 228 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
239 "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n", 229 "\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
240 table_desc->pointer->signature, table_desc->table_id, info.object_count, 230 table_desc->pointer->signature, table_desc->owner_id, info.object_count,
241 info.device_count, info.method_count, info.op_region_count)); 231 info.device_count, info.method_count, info.op_region_count));
242 232
243 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, 233 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 9fc3f4c033eb..e344c06ed33f 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -58,12 +58,11 @@
58 * 58 *
59 * FUNCTION: acpi_ds_parse_method 59 * FUNCTION: acpi_ds_parse_method
60 * 60 *
61 * PARAMETERS: obj_handle - Method node 61 * PARAMETERS: Node - Method node
62 * 62 *
63 * RETURN: Status 63 * RETURN: Status
64 * 64 *
65 * DESCRIPTION: Call the parser and parse the AML that is associated with the 65 * DESCRIPTION: Parse the AML that is associated with the method.
66 * method.
67 * 66 *
68 * MUTEX: Assumes parser is locked 67 * MUTEX: Assumes parser is locked
69 * 68 *
@@ -71,31 +70,28 @@
71 70
72acpi_status 71acpi_status
73acpi_ds_parse_method ( 72acpi_ds_parse_method (
74 acpi_handle obj_handle) 73 struct acpi_namespace_node *node)
75{ 74{
76 acpi_status status; 75 acpi_status status;
77 union acpi_operand_object *obj_desc; 76 union acpi_operand_object *obj_desc;
78 union acpi_parse_object *op; 77 union acpi_parse_object *op;
79 struct acpi_namespace_node *node;
80 acpi_owner_id owner_id;
81 struct acpi_walk_state *walk_state; 78 struct acpi_walk_state *walk_state;
82 79
83 80
84 ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", obj_handle); 81 ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", node);
85 82
86 83
87 /* Parameter Validation */ 84 /* Parameter Validation */
88 85
89 if (!obj_handle) { 86 if (!node) {
90 return_ACPI_STATUS (AE_NULL_ENTRY); 87 return_ACPI_STATUS (AE_NULL_ENTRY);
91 } 88 }
92 89
93 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n", 90 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n",
94 acpi_ut_get_node_name (obj_handle), obj_handle)); 91 acpi_ut_get_node_name (node), node));
95 92
96 /* Extract the method object from the method Node */ 93 /* Extract the method object from the method Node */
97 94
98 node = (struct acpi_namespace_node *) obj_handle;
99 obj_desc = acpi_ns_get_attached_object (node); 95 obj_desc = acpi_ns_get_attached_object (node);
100 if (!obj_desc) { 96 if (!obj_desc) {
101 return_ACPI_STATUS (AE_NULL_OBJECT); 97 return_ACPI_STATUS (AE_NULL_OBJECT);
@@ -132,14 +128,18 @@ acpi_ds_parse_method (
132 * objects (such as Operation Regions) can be created during the 128 * objects (such as Operation Regions) can be created during the
133 * first pass parse. 129 * first pass parse.
134 */ 130 */
135 owner_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD); 131 status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
136 obj_desc->method.owning_id = owner_id; 132 if (ACPI_FAILURE (status)) {
133 goto cleanup;
134 }
137 135
138 /* Create and initialize a new walk state */ 136 /* Create and initialize a new walk state */
139 137
140 walk_state = acpi_ds_create_walk_state (owner_id, NULL, NULL, NULL); 138 walk_state = acpi_ds_create_walk_state (
139 obj_desc->method.owner_id, NULL, NULL, NULL);
141 if (!walk_state) { 140 if (!walk_state) {
142 return_ACPI_STATUS (AE_NO_MEMORY); 141 status = AE_NO_MEMORY;
142 goto cleanup2;
143 } 143 }
144 144
145 status = acpi_ds_init_aml_walk (walk_state, op, node, 145 status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -147,7 +147,7 @@ acpi_ds_parse_method (
147 obj_desc->method.aml_length, NULL, 1); 147 obj_desc->method.aml_length, NULL, 1);
148 if (ACPI_FAILURE (status)) { 148 if (ACPI_FAILURE (status)) {
149 acpi_ds_delete_walk_state (walk_state); 149 acpi_ds_delete_walk_state (walk_state);
150 return_ACPI_STATUS (status); 150 goto cleanup2;
151 } 151 }
152 152
153 /* 153 /*
@@ -161,13 +161,25 @@ acpi_ds_parse_method (
161 */ 161 */
162 status = acpi_ps_parse_aml (walk_state); 162 status = acpi_ps_parse_aml (walk_state);
163 if (ACPI_FAILURE (status)) { 163 if (ACPI_FAILURE (status)) {
164 return_ACPI_STATUS (status); 164 goto cleanup2;
165 } 165 }
166 166
167 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 167 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
168 "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n", 168 "**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
169 acpi_ut_get_node_name (obj_handle), obj_handle, op)); 169 acpi_ut_get_node_name (node), node, op));
170
171 /*
172 * Delete the parse tree. We simply re-parse the method for every
173 * execution since there isn't much overhead (compared to keeping lots
174 * of parse trees around)
175 */
176 acpi_ns_delete_namespace_subtree (node);
177 acpi_ns_delete_namespace_by_owner (obj_desc->method.owner_id);
178
179cleanup2:
180 acpi_ut_release_owner_id (&obj_desc->method.owner_id);
170 181
182cleanup:
171 acpi_ps_delete_parse_tree (op); 183 acpi_ps_delete_parse_tree (op);
172 return_ACPI_STATUS (status); 184 return_ACPI_STATUS (status);
173} 185}
@@ -263,7 +275,7 @@ acpi_ds_call_control_method (
263{ 275{
264 acpi_status status; 276 acpi_status status;
265 struct acpi_namespace_node *method_node; 277 struct acpi_namespace_node *method_node;
266 struct acpi_walk_state *next_walk_state; 278 struct acpi_walk_state *next_walk_state = NULL;
267 union acpi_operand_object *obj_desc; 279 union acpi_operand_object *obj_desc;
268 struct acpi_parameter_info info; 280 struct acpi_parameter_info info;
269 u32 i; 281 u32 i;
@@ -287,20 +299,23 @@ acpi_ds_call_control_method (
287 return_ACPI_STATUS (AE_NULL_OBJECT); 299 return_ACPI_STATUS (AE_NULL_OBJECT);
288 } 300 }
289 301
290 obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD); 302 status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
303 if (ACPI_FAILURE (status)) {
304 return_ACPI_STATUS (status);
305 }
291 306
292 /* Init for new method, wait on concurrency semaphore */ 307 /* Init for new method, wait on concurrency semaphore */
293 308
294 status = acpi_ds_begin_method_execution (method_node, obj_desc, 309 status = acpi_ds_begin_method_execution (method_node, obj_desc,
295 this_walk_state->method_node); 310 this_walk_state->method_node);
296 if (ACPI_FAILURE (status)) { 311 if (ACPI_FAILURE (status)) {
297 return_ACPI_STATUS (status); 312 goto cleanup;
298 } 313 }
299 314
300 if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) { 315 if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
301 /* 1) Parse: Create a new walk state for the preempting walk */ 316 /* 1) Parse: Create a new walk state for the preempting walk */
302 317
303 next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id, 318 next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
304 op, obj_desc, NULL); 319 op, obj_desc, NULL);
305 if (!next_walk_state) { 320 if (!next_walk_state) {
306 return_ACPI_STATUS (AE_NO_MEMORY); 321 return_ACPI_STATUS (AE_NO_MEMORY);
@@ -330,7 +345,7 @@ acpi_ds_call_control_method (
330 345
331 /* 2) Execute: Create a new state for the preempting walk */ 346 /* 2) Execute: Create a new state for the preempting walk */
332 347
333 next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id, 348 next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
334 NULL, obj_desc, thread); 349 NULL, obj_desc, thread);
335 if (!next_walk_state) { 350 if (!next_walk_state) {
336 status = AE_NO_MEMORY; 351 status = AE_NO_MEMORY;
@@ -381,6 +396,7 @@ acpi_ds_call_control_method (
381 /* On error, we must delete the new walk state */ 396 /* On error, we must delete the new walk state */
382 397
383cleanup: 398cleanup:
399 acpi_ut_release_owner_id (&obj_desc->method.owner_id);
384 if (next_walk_state && (next_walk_state->method_desc)) { 400 if (next_walk_state && (next_walk_state->method_desc)) {
385 /* Decrement the thread count on the method parse tree */ 401 /* Decrement the thread count on the method parse tree */
386 402
@@ -552,8 +568,7 @@ acpi_ds_terminate_control_method (
552 */ 568 */
553 if ((walk_state->method_desc->method.concurrency == 1) && 569 if ((walk_state->method_desc->method.concurrency == 1) &&
554 (!walk_state->method_desc->method.semaphore)) { 570 (!walk_state->method_desc->method.semaphore)) {
555 status = acpi_os_create_semaphore (1, 571 status = acpi_os_create_semaphore (1, 1,
556 1,
557 &walk_state->method_desc->method.semaphore); 572 &walk_state->method_desc->method.semaphore);
558 } 573 }
559 574
@@ -582,8 +597,10 @@ acpi_ds_terminate_control_method (
582 * Delete any namespace entries created anywhere else within 597 * Delete any namespace entries created anywhere else within
583 * the namespace 598 * the namespace
584 */ 599 */
585 acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owning_id); 600 acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
586 status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 601 status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
602 acpi_ut_release_owner_id (&walk_state->method_desc->method.owner_id);
603
587 if (ACPI_FAILURE (status)) { 604 if (ACPI_FAILURE (status)) {
588 return_ACPI_STATUS (status); 605 return_ACPI_STATUS (status);
589 } 606 }
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f7998306f756..c83d53fd6398 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -633,22 +633,11 @@ acpi_ds_store_object_to_local (
633 */ 633 */
634 if (opcode == AML_ARG_OP) { 634 if (opcode == AML_ARG_OP) {
635 /* 635 /*
636 * Make sure that the object is the correct type. This may be
637 * overkill, butit is here because references were NS nodes in
638 * the past. Now they are operand objects of type Reference.
639 */
640 if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
641 ACPI_REPORT_ERROR ((
642 "Invalid descriptor type while storing to method arg: [%s]\n",
643 acpi_ut_get_descriptor_name (current_obj_desc)));
644 return_ACPI_STATUS (AE_AML_INTERNAL);
645 }
646
647 /*
648 * If we have a valid reference object that came from ref_of(), 636 * If we have a valid reference object that came from ref_of(),
649 * do the indirect store 637 * do the indirect store
650 */ 638 */
651 if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) && 639 if ((ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
640 (current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
652 (current_obj_desc->reference.opcode == AML_REF_OF_OP)) { 641 (current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
653 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 642 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
654 "Arg (%p) is an obj_ref(Node), storing in node %p\n", 643 "Arg (%p) is an obj_ref(Node), storing in node %p\n",
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index bfbae4e4c667..1eee2d54180f 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -547,6 +547,9 @@ acpi_ds_init_object_from_op (
547 case AML_TYPE_LITERAL: 547 case AML_TYPE_LITERAL:
548 548
549 obj_desc->integer.value = op->common.value.integer; 549 obj_desc->integer.value = op->common.value.integer;
550#ifndef ACPI_NO_METHOD_EXECUTION
551 acpi_ex_truncate_for32bit_table (obj_desc);
552#endif
550 break; 553 break;
551 554
552 555
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index ba13bca28bee..750bdb1ac344 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -119,14 +119,15 @@ acpi_ds_execute_arguments (
119 119
120 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL); 120 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
121 if (!walk_state) { 121 if (!walk_state) {
122 return_ACPI_STATUS (AE_NO_MEMORY); 122 status = AE_NO_MEMORY;
123 goto cleanup;
123 } 124 }
124 125
125 status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start, 126 status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
126 aml_length, NULL, 1); 127 aml_length, NULL, 1);
127 if (ACPI_FAILURE (status)) { 128 if (ACPI_FAILURE (status)) {
128 acpi_ds_delete_walk_state (walk_state); 129 acpi_ds_delete_walk_state (walk_state);
129 return_ACPI_STATUS (status); 130 goto cleanup;
130 } 131 }
131 132
132 /* Mark this parse as a deferred opcode */ 133 /* Mark this parse as a deferred opcode */
@@ -138,8 +139,7 @@ acpi_ds_execute_arguments (
138 139
139 status = acpi_ps_parse_aml (walk_state); 140 status = acpi_ps_parse_aml (walk_state);
140 if (ACPI_FAILURE (status)) { 141 if (ACPI_FAILURE (status)) {
141 acpi_ps_delete_parse_tree (op); 142 goto cleanup;
142 return_ACPI_STATUS (status);
143 } 143 }
144 144
145 /* Get and init the Op created above */ 145 /* Get and init the Op created above */
@@ -160,7 +160,8 @@ acpi_ds_execute_arguments (
160 160
161 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL); 161 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
162 if (!walk_state) { 162 if (!walk_state) {
163 return_ACPI_STATUS (AE_NO_MEMORY); 163 status = AE_NO_MEMORY;
164 goto cleanup;
164 } 165 }
165 166
166 /* Execute the opcode and arguments */ 167 /* Execute the opcode and arguments */
@@ -169,13 +170,15 @@ acpi_ds_execute_arguments (
169 aml_length, NULL, 3); 170 aml_length, NULL, 3);
170 if (ACPI_FAILURE (status)) { 171 if (ACPI_FAILURE (status)) {
171 acpi_ds_delete_walk_state (walk_state); 172 acpi_ds_delete_walk_state (walk_state);
172 return_ACPI_STATUS (status); 173 goto cleanup;
173 } 174 }
174 175
175 /* Mark this execution as a deferred opcode */ 176 /* Mark this execution as a deferred opcode */
176 177
177 walk_state->deferred_node = node; 178 walk_state->deferred_node = node;
178 status = acpi_ps_parse_aml (walk_state); 179 status = acpi_ps_parse_aml (walk_state);
180
181cleanup:
179 acpi_ps_delete_parse_tree (op); 182 acpi_ps_delete_parse_tree (op);
180 return_ACPI_STATUS (status); 183 return_ACPI_STATUS (status);
181} 184}
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index d11620018421..9100c0bda470 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -50,7 +50,7 @@
50#include <acpi/acnamesp.h> 50#include <acpi/acnamesp.h>
51#include <acpi/acevents.h> 51#include <acpi/acevents.h>
52 52
53#ifdef _ACPI_ASL_COMPILER 53#ifdef ACPI_ASL_COMPILER
54#include <acpi/acdisasm.h> 54#include <acpi/acdisasm.h>
55#endif 55#endif
56 56
@@ -145,15 +145,6 @@ acpi_ds_load1_begin_op (
145 145
146 if (op) { 146 if (op) {
147 if (!(walk_state->op_info->flags & AML_NAMED)) { 147 if (!(walk_state->op_info->flags & AML_NAMED)) {
148#if 0
149 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
150 (walk_state->op_info->class == AML_CLASS_CONTROL)) {
151 acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n",
152 walk_state->op_info->name);
153 *out_op = op;
154 return (AE_CTRL_SKIP);
155 }
156#endif
157 *out_op = op; 148 *out_op = op;
158 return (AE_OK); 149 return (AE_OK);
159 } 150 }
@@ -185,7 +176,7 @@ acpi_ds_load1_begin_op (
185 */ 176 */
186 status = acpi_ns_lookup (walk_state->scope_info, path, object_type, 177 status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
187 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node)); 178 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
188#ifdef _ACPI_ASL_COMPILER 179#ifdef ACPI_ASL_COMPILER
189 if (status == AE_NOT_FOUND) { 180 if (status == AE_NOT_FOUND) {
190 /* 181 /*
191 * Table disassembly: 182 * Table disassembly:
@@ -486,11 +477,31 @@ acpi_ds_load2_begin_op (
486 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, walk_state)); 477 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, walk_state));
487 478
488 if (op) { 479 if (op) {
480 if ((walk_state->control_state) &&
481 (walk_state->control_state->common.state ==
482 ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
483 /* We are executing a while loop outside of a method */
484
485 status = acpi_ds_exec_begin_op (walk_state, out_op);
486 return_ACPI_STATUS (status);
487 }
488
489 /* We only care about Namespace opcodes here */ 489 /* We only care about Namespace opcodes here */
490 490
491 if ((!(walk_state->op_info->flags & AML_NSOPCODE) && 491 if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
492 (walk_state->opcode != AML_INT_NAMEPATH_OP)) || 492 (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
493 (!(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_DEBUG_PRINT ((ACPI_DB_DISPATCH,
497 "Begin/EXEC: %s (fl %8.8X)\n", walk_state->op_info->name,
498 walk_state->op_info->flags));
499
500 /* Executing a type1 or type2 opcode outside of a method */
501
502 status = acpi_ds_exec_begin_op (walk_state, out_op);
503 return_ACPI_STATUS (status);
504 }
494 return_ACPI_STATUS (AE_OK); 505 return_ACPI_STATUS (AE_OK);
495 } 506 }
496 507
@@ -558,7 +569,7 @@ acpi_ds_load2_begin_op (
558 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, 569 ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
559 walk_state, &(node)); 570 walk_state, &(node));
560 if (ACPI_FAILURE (status)) { 571 if (ACPI_FAILURE (status)) {
561#ifdef _ACPI_ASL_COMPILER 572#ifdef ACPI_ASL_COMPILER
562 if (status == AE_NOT_FOUND) { 573 if (status == AE_NOT_FOUND) {
563 status = AE_OK; 574 status = AE_OK;
564 } 575 }
@@ -651,8 +662,10 @@ acpi_ds_load2_begin_op (
651 break; 662 break;
652 } 663 }
653 664
665 /* Add new entry into namespace */
666
654 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type, 667 status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
655 ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH, 668 ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH,
656 walk_state, &(node)); 669 walk_state, &(node));
657 break; 670 break;
658 } 671 }
@@ -662,7 +675,6 @@ acpi_ds_load2_begin_op (
662 return_ACPI_STATUS (status); 675 return_ACPI_STATUS (status);
663 } 676 }
664 677
665
666 if (!op) { 678 if (!op) {
667 /* Create a new op */ 679 /* Create a new op */
668 680
@@ -676,9 +688,7 @@ acpi_ds_load2_begin_op (
676 if (node) { 688 if (node) {
677 op->named.name = node->name.integer; 689 op->named.name = node->name.integer;
678 } 690 }
679 if (out_op) { 691 *out_op = op;
680 *out_op = op;
681 }
682 } 692 }
683 693
684 /* 694 /*
@@ -725,9 +735,24 @@ acpi_ds_load2_end_op (
725 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n", 735 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
726 walk_state->op_info->name, op, walk_state)); 736 walk_state->op_info->name, op, walk_state));
727 737
728 /* Only interested in opcodes that have namespace objects */ 738 /* Check if opcode had an associated namespace object */
729 739
730 if (!(walk_state->op_info->flags & AML_NSOBJECT)) { 740 if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
741#ifndef ACPI_NO_METHOD_EXECUTION
742 /* No namespace object. Executable opcode? */
743
744 if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
745 (walk_state->op_info->class == AML_CLASS_CONTROL)) {
746 ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
747 "End/EXEC: %s (fl %8.8X)\n", walk_state->op_info->name,
748 walk_state->op_info->flags));
749
750 /* Executing a type1 or type2 opcode outside of a method */
751
752 status = acpi_ds_exec_end_op (walk_state);
753 return_ACPI_STATUS (status);
754 }
755#endif
731 return_ACPI_STATUS (AE_OK); 756 return_ACPI_STATUS (AE_OK);
732 } 757 }
733 758
@@ -736,7 +761,6 @@ acpi_ds_load2_end_op (
736 "Ending scope Op=%p State=%p\n", op, walk_state)); 761 "Ending scope Op=%p State=%p\n", op, walk_state));
737 } 762 }
738 763
739
740 object_type = walk_state->op_info->object_type; 764 object_type = walk_state->op_info->object_type;
741 765
742 /* 766 /*
@@ -959,6 +983,7 @@ acpi_ds_load2_end_op (
959 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE, 983 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
960 walk_state, &(new_node)); 984 walk_state, &(new_node));
961 if (ACPI_SUCCESS (status)) { 985 if (ACPI_SUCCESS (status)) {
986
962 /* 987 /*
963 * Make sure that what we found is indeed a method 988 * Make sure that what we found is indeed a method
964 * We didn't search for a method on purpose, to see if the name 989 * We didn't search for a method on purpose, to see if the name
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index 9cd3db652b31..5621665991b5 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -261,12 +261,12 @@ acpi_ds_result_pop_from_bottom (
261 261
262 if (!*object) { 262 if (!*object) {
263 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 263 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
264 "Null operand! State=%p #Ops=%X, Index=%X\n", 264 "Null operand! State=%p #Ops=%X Index=%X\n",
265 walk_state, state->results.num_results, (u32) index)); 265 walk_state, state->results.num_results, (u32) index));
266 return (AE_AML_NO_RETURN_VALUE); 266 return (AE_AML_NO_RETURN_VALUE);
267 } 267 }
268 268
269 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s], Results=%p State=%p\n", 269 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Results=%p State=%p\n",
270 *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL", 270 *object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
271 state, walk_state)); 271 state, walk_state));
272 272
@@ -681,7 +681,7 @@ acpi_ds_create_walk_state (
681 ACPI_FUNCTION_TRACE ("ds_create_walk_state"); 681 ACPI_FUNCTION_TRACE ("ds_create_walk_state");
682 682
683 683
684 walk_state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_WALK); 684 walk_state = ACPI_MEM_CALLOCATE (sizeof (struct acpi_walk_state));
685 if (!walk_state) { 685 if (!walk_state) {
686 return_PTR (NULL); 686 return_PTR (NULL);
687 } 687 }
@@ -704,7 +704,7 @@ acpi_ds_create_walk_state (
704 704
705 status = acpi_ds_result_stack_push (walk_state); 705 status = acpi_ds_result_stack_push (walk_state);
706 if (ACPI_FAILURE (status)) { 706 if (ACPI_FAILURE (status)) {
707 acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state); 707 ACPI_MEM_FREE (walk_state);
708 return_PTR (NULL); 708 return_PTR (NULL);
709 } 709 }
710 710
@@ -744,7 +744,7 @@ acpi_ds_init_aml_walk (
744 u8 *aml_start, 744 u8 *aml_start,
745 u32 aml_length, 745 u32 aml_length,
746 struct acpi_parameter_info *info, 746 struct acpi_parameter_info *info,
747 u32 pass_number) 747 u8 pass_number)
748{ 748{
749 acpi_status status; 749 acpi_status status;
750 struct acpi_parse_state *parser_state = &walk_state->parser_state; 750 struct acpi_parse_state *parser_state = &walk_state->parser_state;
@@ -762,6 +762,7 @@ acpi_ds_init_aml_walk (
762 /* 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 */
763 763
764 walk_state->next_op = NULL; 764 walk_state->next_op = NULL;
765 walk_state->pass_number = pass_number;
765 766
766 if (info) { 767 if (info) {
767 if (info->parameter_type == ACPI_PARAM_GPE) { 768 if (info->parameter_type == ACPI_PARAM_GPE) {
@@ -899,38 +900,11 @@ acpi_ds_delete_walk_state (
899 acpi_ut_delete_generic_state (state); 900 acpi_ut_delete_generic_state (state);
900 } 901 }
901 902
902 acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state); 903 ACPI_MEM_FREE (walk_state);
903 return_VOID; 904 return_VOID;
904} 905}
905 906
906 907
907#ifdef ACPI_ENABLE_OBJECT_CACHE
908/******************************************************************************
909 *
910 * FUNCTION: acpi_ds_delete_walk_state_cache
911 *
912 * PARAMETERS: None
913 *
914 * RETURN: None
915 *
916 * DESCRIPTION: Purge the global state object cache. Used during subsystem
917 * termination.
918 *
919 ******************************************************************************/
920
921void
922acpi_ds_delete_walk_state_cache (
923 void)
924{
925 ACPI_FUNCTION_TRACE ("ds_delete_walk_state_cache");
926
927
928 acpi_ut_delete_generic_cache (ACPI_MEM_LIST_WALK);
929 return_VOID;
930}
931#endif
932
933
934#ifdef ACPI_OBSOLETE_FUNCTIONS 908#ifdef ACPI_OBSOLETE_FUNCTIONS
935/******************************************************************************* 909/*******************************************************************************
936 * 910 *
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 081120b109ba..ede834df4f69 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -396,6 +396,7 @@ acpi_ev_gpe_detect (
396 struct acpi_gpe_register_info *gpe_register_info; 396 struct acpi_gpe_register_info *gpe_register_info;
397 u32 status_reg; 397 u32 status_reg;
398 u32 enable_reg; 398 u32 enable_reg;
399 u32 flags;
399 acpi_status status; 400 acpi_status status;
400 struct acpi_gpe_block_info *gpe_block; 401 struct acpi_gpe_block_info *gpe_block;
401 acpi_native_uint i; 402 acpi_native_uint i;
@@ -412,7 +413,7 @@ acpi_ev_gpe_detect (
412 413
413 /* Examine all GPE blocks attached to this interrupt level */ 414 /* Examine all GPE blocks attached to this interrupt level */
414 415
415 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_ISR); 416 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
416 gpe_block = gpe_xrupt_list->gpe_block_list_head; 417 gpe_block = gpe_xrupt_list->gpe_block_list_head;
417 while (gpe_block) { 418 while (gpe_block) {
418 /* 419 /*
@@ -476,7 +477,7 @@ acpi_ev_gpe_detect (
476 477
477unlock_and_exit: 478unlock_and_exit:
478 479
479 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_ISR); 480 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
480 return (int_status); 481 return (int_status);
481} 482}
482 483
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 84186a7d17b2..dfc54692b127 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -66,7 +66,7 @@ acpi_ev_match_prw_and_gpe (
66 66
67static struct acpi_gpe_xrupt_info * 67static struct acpi_gpe_xrupt_info *
68acpi_ev_get_gpe_xrupt_block ( 68acpi_ev_get_gpe_xrupt_block (
69 u32 interrupt_level); 69 u32 interrupt_number);
70 70
71static acpi_status 71static acpi_status
72acpi_ev_delete_gpe_xrupt ( 72acpi_ev_delete_gpe_xrupt (
@@ -75,7 +75,7 @@ acpi_ev_delete_gpe_xrupt (
75static acpi_status 75static acpi_status
76acpi_ev_install_gpe_block ( 76acpi_ev_install_gpe_block (
77 struct acpi_gpe_block_info *gpe_block, 77 struct acpi_gpe_block_info *gpe_block,
78 u32 interrupt_level); 78 u32 interrupt_number);
79 79
80static acpi_status 80static acpi_status
81acpi_ev_create_gpe_info_blocks ( 81acpi_ev_create_gpe_info_blocks (
@@ -138,7 +138,6 @@ acpi_ev_valid_gpe_event (
138 * FUNCTION: acpi_ev_walk_gpe_list 138 * FUNCTION: acpi_ev_walk_gpe_list
139 * 139 *
140 * PARAMETERS: gpe_walk_callback - Routine called for each GPE block 140 * PARAMETERS: gpe_walk_callback - Routine called for each GPE block
141 * Flags - ACPI_NOT_ISR or ACPI_ISR
142 * 141 *
143 * RETURN: Status 142 * RETURN: Status
144 * 143 *
@@ -148,18 +147,18 @@ acpi_ev_valid_gpe_event (
148 147
149acpi_status 148acpi_status
150acpi_ev_walk_gpe_list ( 149acpi_ev_walk_gpe_list (
151 ACPI_GPE_CALLBACK gpe_walk_callback, 150 ACPI_GPE_CALLBACK gpe_walk_callback)
152 u32 flags)
153{ 151{
154 struct acpi_gpe_block_info *gpe_block; 152 struct acpi_gpe_block_info *gpe_block;
155 struct acpi_gpe_xrupt_info *gpe_xrupt_info; 153 struct acpi_gpe_xrupt_info *gpe_xrupt_info;
156 acpi_status status = AE_OK; 154 acpi_status status = AE_OK;
155 u32 flags;
157 156
158 157
159 ACPI_FUNCTION_TRACE ("ev_walk_gpe_list"); 158 ACPI_FUNCTION_TRACE ("ev_walk_gpe_list");
160 159
161 160
162 acpi_os_acquire_lock (acpi_gbl_gpe_lock, flags); 161 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
163 162
164 /* Walk the interrupt level descriptor list */ 163 /* Walk the interrupt level descriptor list */
165 164
@@ -482,7 +481,7 @@ cleanup:
482 * 481 *
483 * FUNCTION: acpi_ev_get_gpe_xrupt_block 482 * FUNCTION: acpi_ev_get_gpe_xrupt_block
484 * 483 *
485 * PARAMETERS: interrupt_level - Interrupt for a GPE block 484 * PARAMETERS: interrupt_number - Interrupt for a GPE block
486 * 485 *
487 * RETURN: A GPE interrupt block 486 * RETURN: A GPE interrupt block
488 * 487 *
@@ -495,11 +494,12 @@ cleanup:
495 494
496static struct acpi_gpe_xrupt_info * 495static struct acpi_gpe_xrupt_info *
497acpi_ev_get_gpe_xrupt_block ( 496acpi_ev_get_gpe_xrupt_block (
498 u32 interrupt_level) 497 u32 interrupt_number)
499{ 498{
500 struct acpi_gpe_xrupt_info *next_gpe_xrupt; 499 struct acpi_gpe_xrupt_info *next_gpe_xrupt;
501 struct acpi_gpe_xrupt_info *gpe_xrupt; 500 struct acpi_gpe_xrupt_info *gpe_xrupt;
502 acpi_status status; 501 acpi_status status;
502 u32 flags;
503 503
504 504
505 ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block"); 505 ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
@@ -509,7 +509,7 @@ acpi_ev_get_gpe_xrupt_block (
509 509
510 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head; 510 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
511 while (next_gpe_xrupt) { 511 while (next_gpe_xrupt) {
512 if (next_gpe_xrupt->interrupt_level == interrupt_level) { 512 if (next_gpe_xrupt->interrupt_number == interrupt_number) {
513 return_PTR (next_gpe_xrupt); 513 return_PTR (next_gpe_xrupt);
514 } 514 }
515 515
@@ -523,11 +523,11 @@ acpi_ev_get_gpe_xrupt_block (
523 return_PTR (NULL); 523 return_PTR (NULL);
524 } 524 }
525 525
526 gpe_xrupt->interrupt_level = interrupt_level; 526 gpe_xrupt->interrupt_number = interrupt_number;
527 527
528 /* Install new interrupt descriptor with spin lock */ 528 /* Install new interrupt descriptor with spin lock */
529 529
530 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 530 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
531 if (acpi_gbl_gpe_xrupt_list_head) { 531 if (acpi_gbl_gpe_xrupt_list_head) {
532 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head; 532 next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
533 while (next_gpe_xrupt->next) { 533 while (next_gpe_xrupt->next) {
@@ -540,17 +540,17 @@ acpi_ev_get_gpe_xrupt_block (
540 else { 540 else {
541 acpi_gbl_gpe_xrupt_list_head = gpe_xrupt; 541 acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
542 } 542 }
543 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 543 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
544 544
545 /* Install new interrupt handler if not SCI_INT */ 545 /* Install new interrupt handler if not SCI_INT */
546 546
547 if (interrupt_level != acpi_gbl_FADT->sci_int) { 547 if (interrupt_number != acpi_gbl_FADT->sci_int) {
548 status = acpi_os_install_interrupt_handler (interrupt_level, 548 status = acpi_os_install_interrupt_handler (interrupt_number,
549 acpi_ev_gpe_xrupt_handler, gpe_xrupt); 549 acpi_ev_gpe_xrupt_handler, gpe_xrupt);
550 if (ACPI_FAILURE (status)) { 550 if (ACPI_FAILURE (status)) {
551 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 551 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
552 "Could not install GPE interrupt handler at level 0x%X\n", 552 "Could not install GPE interrupt handler at level 0x%X\n",
553 interrupt_level)); 553 interrupt_number));
554 return_PTR (NULL); 554 return_PTR (NULL);
555 } 555 }
556 } 556 }
@@ -577,6 +577,7 @@ acpi_ev_delete_gpe_xrupt (
577 struct acpi_gpe_xrupt_info *gpe_xrupt) 577 struct acpi_gpe_xrupt_info *gpe_xrupt)
578{ 578{
579 acpi_status status; 579 acpi_status status;
580 u32 flags;
580 581
581 582
582 ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt"); 583 ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
@@ -584,14 +585,14 @@ acpi_ev_delete_gpe_xrupt (
584 585
585 /* We never want to remove the SCI interrupt handler */ 586 /* We never want to remove the SCI interrupt handler */
586 587
587 if (gpe_xrupt->interrupt_level == acpi_gbl_FADT->sci_int) { 588 if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
588 gpe_xrupt->gpe_block_list_head = NULL; 589 gpe_xrupt->gpe_block_list_head = NULL;
589 return_ACPI_STATUS (AE_OK); 590 return_ACPI_STATUS (AE_OK);
590 } 591 }
591 592
592 /* Disable this interrupt */ 593 /* Disable this interrupt */
593 594
594 status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_level, 595 status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_number,
595 acpi_ev_gpe_xrupt_handler); 596 acpi_ev_gpe_xrupt_handler);
596 if (ACPI_FAILURE (status)) { 597 if (ACPI_FAILURE (status)) {
597 return_ACPI_STATUS (status); 598 return_ACPI_STATUS (status);
@@ -599,7 +600,7 @@ acpi_ev_delete_gpe_xrupt (
599 600
600 /* Unlink the interrupt block with lock */ 601 /* Unlink the interrupt block with lock */
601 602
602 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 603 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
603 if (gpe_xrupt->previous) { 604 if (gpe_xrupt->previous) {
604 gpe_xrupt->previous->next = gpe_xrupt->next; 605 gpe_xrupt->previous->next = gpe_xrupt->next;
605 } 606 }
@@ -607,7 +608,7 @@ acpi_ev_delete_gpe_xrupt (
607 if (gpe_xrupt->next) { 608 if (gpe_xrupt->next) {
608 gpe_xrupt->next->previous = gpe_xrupt->previous; 609 gpe_xrupt->next->previous = gpe_xrupt->previous;
609 } 610 }
610 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 611 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
611 612
612 /* Free the block */ 613 /* Free the block */
613 614
@@ -621,7 +622,7 @@ acpi_ev_delete_gpe_xrupt (
621 * FUNCTION: acpi_ev_install_gpe_block 622 * FUNCTION: acpi_ev_install_gpe_block
622 * 623 *
623 * PARAMETERS: gpe_block - New GPE block 624 * PARAMETERS: gpe_block - New GPE block
624 * interrupt_level - Level to be associated with this GPE block 625 * interrupt_number - Xrupt to be associated with this GPE block
625 * 626 *
626 * RETURN: Status 627 * RETURN: Status
627 * 628 *
@@ -632,11 +633,12 @@ acpi_ev_delete_gpe_xrupt (
632static acpi_status 633static acpi_status
633acpi_ev_install_gpe_block ( 634acpi_ev_install_gpe_block (
634 struct acpi_gpe_block_info *gpe_block, 635 struct acpi_gpe_block_info *gpe_block,
635 u32 interrupt_level) 636 u32 interrupt_number)
636{ 637{
637 struct acpi_gpe_block_info *next_gpe_block; 638 struct acpi_gpe_block_info *next_gpe_block;
638 struct acpi_gpe_xrupt_info *gpe_xrupt_block; 639 struct acpi_gpe_xrupt_info *gpe_xrupt_block;
639 acpi_status status; 640 acpi_status status;
641 u32 flags;
640 642
641 643
642 ACPI_FUNCTION_TRACE ("ev_install_gpe_block"); 644 ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -647,7 +649,7 @@ acpi_ev_install_gpe_block (
647 return_ACPI_STATUS (status); 649 return_ACPI_STATUS (status);
648 } 650 }
649 651
650 gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_level); 652 gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_number);
651 if (!gpe_xrupt_block) { 653 if (!gpe_xrupt_block) {
652 status = AE_NO_MEMORY; 654 status = AE_NO_MEMORY;
653 goto unlock_and_exit; 655 goto unlock_and_exit;
@@ -655,7 +657,7 @@ acpi_ev_install_gpe_block (
655 657
656 /* Install the new block at the end of the list with lock */ 658 /* Install the new block at the end of the list with lock */
657 659
658 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 660 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
659 if (gpe_xrupt_block->gpe_block_list_head) { 661 if (gpe_xrupt_block->gpe_block_list_head) {
660 next_gpe_block = gpe_xrupt_block->gpe_block_list_head; 662 next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
661 while (next_gpe_block->next) { 663 while (next_gpe_block->next) {
@@ -670,7 +672,7 @@ acpi_ev_install_gpe_block (
670 } 672 }
671 673
672 gpe_block->xrupt_block = gpe_xrupt_block; 674 gpe_block->xrupt_block = gpe_xrupt_block;
673 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 675 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
674 676
675unlock_and_exit: 677unlock_and_exit:
676 status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); 678 status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
@@ -695,6 +697,7 @@ acpi_ev_delete_gpe_block (
695 struct acpi_gpe_block_info *gpe_block) 697 struct acpi_gpe_block_info *gpe_block)
696{ 698{
697 acpi_status status; 699 acpi_status status;
700 u32 flags;
698 701
699 702
700 ACPI_FUNCTION_TRACE ("ev_install_gpe_block"); 703 ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -720,7 +723,7 @@ acpi_ev_delete_gpe_block (
720 else { 723 else {
721 /* Remove the block on this interrupt with lock */ 724 /* Remove the block on this interrupt with lock */
722 725
723 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 726 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
724 if (gpe_block->previous) { 727 if (gpe_block->previous) {
725 gpe_block->previous->next = gpe_block->next; 728 gpe_block->previous->next = gpe_block->next;
726 } 729 }
@@ -731,7 +734,7 @@ acpi_ev_delete_gpe_block (
731 if (gpe_block->next) { 734 if (gpe_block->next) {
732 gpe_block->next->previous = gpe_block->previous; 735 gpe_block->next->previous = gpe_block->previous;
733 } 736 }
734 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 737 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
735 } 738 }
736 739
737 /* Free the gpe_block */ 740 /* Free the gpe_block */
@@ -887,7 +890,7 @@ error_exit:
887 * gpe_block_address - Address and space_iD 890 * gpe_block_address - Address and space_iD
888 * register_count - Number of GPE register pairs in the block 891 * register_count - Number of GPE register pairs in the block
889 * gpe_block_base_number - Starting GPE number for the block 892 * gpe_block_base_number - Starting GPE number for the block
890 * interrupt_level - H/W interrupt for the block 893 * interrupt_number - H/W interrupt for the block
891 * return_gpe_block - Where the new block descriptor is returned 894 * return_gpe_block - Where the new block descriptor is returned
892 * 895 *
893 * RETURN: Status 896 * RETURN: Status
@@ -902,7 +905,7 @@ acpi_ev_create_gpe_block (
902 struct acpi_generic_address *gpe_block_address, 905 struct acpi_generic_address *gpe_block_address,
903 u32 register_count, 906 u32 register_count,
904 u8 gpe_block_base_number, 907 u8 gpe_block_base_number,
905 u32 interrupt_level, 908 u32 interrupt_number,
906 struct acpi_gpe_block_info **return_gpe_block) 909 struct acpi_gpe_block_info **return_gpe_block)
907{ 910{
908 struct acpi_gpe_block_info *gpe_block; 911 struct acpi_gpe_block_info *gpe_block;
@@ -948,7 +951,7 @@ acpi_ev_create_gpe_block (
948 951
949 /* Install the new block in the global list(s) */ 952 /* Install the new block in the global list(s) */
950 953
951 status = acpi_ev_install_gpe_block (gpe_block, interrupt_level); 954 status = acpi_ev_install_gpe_block (gpe_block, interrupt_number);
952 if (ACPI_FAILURE (status)) { 955 if (ACPI_FAILURE (status)) {
953 ACPI_MEM_FREE (gpe_block); 956 ACPI_MEM_FREE (gpe_block);
954 return_ACPI_STATUS (status); 957 return_ACPI_STATUS (status);
@@ -1013,7 +1016,7 @@ acpi_ev_create_gpe_block (
1013 ((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)), 1016 ((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)),
1014 gpe_device->name.ascii, 1017 gpe_device->name.ascii,
1015 gpe_block->register_count, 1018 gpe_block->register_count,
1016 interrupt_level)); 1019 interrupt_number));
1017 1020
1018 /* Enable all valid GPEs found above */ 1021 /* Enable all valid GPEs found above */
1019 1022
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 659e90956112..3df3ada4b9e7 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -411,6 +411,9 @@ acpi_ev_init_global_lock_handler (
411 * with an error. 411 * with an error.
412 */ 412 */
413 if (status == AE_NO_HARDWARE_RESPONSE) { 413 if (status == AE_NO_HARDWARE_RESPONSE) {
414 ACPI_REPORT_ERROR ((
415 "No response from Global Lock hardware, disabling lock\n"));
416
414 acpi_gbl_global_lock_present = FALSE; 417 acpi_gbl_global_lock_present = FALSE;
415 status = AE_OK; 418 status = AE_OK;
416 } 419 }
@@ -589,7 +592,7 @@ acpi_ev_terminate (
589 592
590 /* Disable all GPEs in all GPE blocks */ 593 /* Disable all GPEs in all GPE blocks */
591 594
592 status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, ACPI_NOT_ISR); 595 status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
593 596
594 /* Remove SCI handler */ 597 /* Remove SCI handler */
595 598
@@ -602,7 +605,7 @@ acpi_ev_terminate (
602 605
603 /* Deallocate all handler objects installed within GPE info structs */ 606 /* Deallocate all handler objects installed within GPE info structs */
604 607
605 status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers, ACPI_NOT_ISR); 608 status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers);
606 609
607 /* Return to original mode if necessary */ 610 /* Return to original mode if necessary */
608 611
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 95bc09c73a6a..f2d53af97610 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -218,10 +218,14 @@ acpi_ev_pci_config_region_setup (
218 while (pci_root_node != acpi_gbl_root_node) { 218 while (pci_root_node != acpi_gbl_root_node) {
219 status = acpi_ut_execute_HID (pci_root_node, &object_hID); 219 status = acpi_ut_execute_HID (pci_root_node, &object_hID);
220 if (ACPI_SUCCESS (status)) { 220 if (ACPI_SUCCESS (status)) {
221 /* Got a valid _HID, check if this is a PCI root */ 221 /*
222 222 * Got a valid _HID string, check if this is a PCI root.
223 * New for ACPI 3.0: check for a PCI Express root also.
224 */
223 if (!(ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING, 225 if (!(ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING,
224 sizeof (PCI_ROOT_HID_STRING)))) { 226 sizeof (PCI_ROOT_HID_STRING)) ||
227 !(ACPI_STRNCMP (object_hID.value, PCI_EXPRESS_ROOT_HID_STRING,
228 sizeof (PCI_EXPRESS_ROOT_HID_STRING))))) {
225 /* Install a handler for this PCI root bridge */ 229 /* Install a handler for this PCI root bridge */
226 230
227 status = acpi_install_address_space_handler ((acpi_handle) pci_root_node, 231 status = acpi_install_address_space_handler ((acpi_handle) pci_root_node,
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 4092d47f6758..4c1c25e316a8 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -591,6 +591,7 @@ acpi_install_gpe_handler (
591 struct acpi_gpe_event_info *gpe_event_info; 591 struct acpi_gpe_event_info *gpe_event_info;
592 struct acpi_handler_info *handler; 592 struct acpi_handler_info *handler;
593 acpi_status status; 593 acpi_status status;
594 u32 flags;
594 595
595 596
596 ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler"); 597 ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler");
@@ -643,7 +644,7 @@ acpi_install_gpe_handler (
643 644
644 /* Install the handler */ 645 /* Install the handler */
645 646
646 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 647 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
647 gpe_event_info->dispatch.handler = handler; 648 gpe_event_info->dispatch.handler = handler;
648 649
649 /* Setup up dispatch flags to indicate handler (vs. method) */ 650 /* Setup up dispatch flags to indicate handler (vs. method) */
@@ -651,7 +652,7 @@ acpi_install_gpe_handler (
651 gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); /* Clear bits */ 652 gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); /* Clear bits */
652 gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER); 653 gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER);
653 654
654 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 655 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
655 656
656 657
657unlock_and_exit: 658unlock_and_exit:
@@ -685,6 +686,7 @@ acpi_remove_gpe_handler (
685 struct acpi_gpe_event_info *gpe_event_info; 686 struct acpi_gpe_event_info *gpe_event_info;
686 struct acpi_handler_info *handler; 687 struct acpi_handler_info *handler;
687 acpi_status status; 688 acpi_status status;
689 u32 flags;
688 690
689 691
690 ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler"); 692 ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler");
@@ -741,7 +743,7 @@ acpi_remove_gpe_handler (
741 743
742 /* Remove the handler */ 744 /* Remove the handler */
743 745
744 acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 746 flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
745 handler = gpe_event_info->dispatch.handler; 747 handler = gpe_event_info->dispatch.handler;
746 748
747 /* Restore Method node (if any), set dispatch flags */ 749 /* Restore Method node (if any), set dispatch flags */
@@ -751,7 +753,7 @@ acpi_remove_gpe_handler (
751 if (handler->method_node) { 753 if (handler->method_node) {
752 gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD; 754 gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD;
753 } 755 }
754 acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR); 756 acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
755 757
756 /* Now we can free the handler object */ 758 /* Now we can free the handler object */
757 759
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index f337dc2cc569..c5f74d7b64d8 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -635,7 +635,7 @@ unlock_and_exit:
635 * PARAMETERS: gpe_device - Handle to the parent GPE Block Device 635 * PARAMETERS: gpe_device - Handle to the parent GPE Block Device
636 * gpe_block_address - Address and space_iD 636 * gpe_block_address - Address and space_iD
637 * register_count - Number of GPE register pairs in the block 637 * register_count - Number of GPE register pairs in the block
638 * interrupt_level - H/W interrupt for the block 638 * interrupt_number - H/W interrupt for the block
639 * 639 *
640 * RETURN: Status 640 * RETURN: Status
641 * 641 *
@@ -648,7 +648,7 @@ acpi_install_gpe_block (
648 acpi_handle gpe_device, 648 acpi_handle gpe_device,
649 struct acpi_generic_address *gpe_block_address, 649 struct acpi_generic_address *gpe_block_address,
650 u32 register_count, 650 u32 register_count,
651 u32 interrupt_level) 651 u32 interrupt_number)
652{ 652{
653 acpi_status status; 653 acpi_status status;
654 union acpi_operand_object *obj_desc; 654 union acpi_operand_object *obj_desc;
@@ -681,7 +681,7 @@ acpi_install_gpe_block (
681 * is always zero 681 * is always zero
682 */ 682 */
683 status = acpi_ev_create_gpe_block (node, gpe_block_address, register_count, 683 status = acpi_ev_create_gpe_block (node, gpe_block_address, register_count,
684 0, interrupt_level, &gpe_block); 684 0, interrupt_number, &gpe_block);
685 if (ACPI_FAILURE (status)) { 685 if (ACPI_FAILURE (status)) {
686 goto unlock_and_exit; 686 goto unlock_and_exit;
687 } 687 }
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 734b2f24af48..d11e9ec827f1 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -99,6 +99,11 @@ acpi_ex_add_table (
99 return_ACPI_STATUS (AE_NO_MEMORY); 99 return_ACPI_STATUS (AE_NO_MEMORY);
100 } 100 }
101 101
102 /* Init the table handle */
103
104 obj_desc->reference.opcode = AML_LOAD_OP;
105 *ddb_handle = obj_desc;
106
102 /* Install the new table into the local data structures */ 107 /* Install the new table into the local data structures */
103 108
104 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc)); 109 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
@@ -109,7 +114,14 @@ acpi_ex_add_table (
109 table_info.allocation = ACPI_MEM_ALLOCATED; 114 table_info.allocation = ACPI_MEM_ALLOCATED;
110 115
111 status = acpi_tb_install_table (&table_info); 116 status = acpi_tb_install_table (&table_info);
117 obj_desc->reference.object = table_info.installed_desc;
118
112 if (ACPI_FAILURE (status)) { 119 if (ACPI_FAILURE (status)) {
120 if (status == AE_ALREADY_EXISTS) {
121 /* Table already exists, just return the handle */
122
123 return_ACPI_STATUS (AE_OK);
124 }
113 goto cleanup; 125 goto cleanup;
114 } 126 }
115 127
@@ -123,16 +135,12 @@ acpi_ex_add_table (
123 goto cleanup; 135 goto cleanup;
124 } 136 }
125 137
126 /* Init the table handle */
127
128 obj_desc->reference.opcode = AML_LOAD_OP;
129 obj_desc->reference.object = table_info.installed_desc;
130 *ddb_handle = obj_desc;
131 return_ACPI_STATUS (AE_OK); 138 return_ACPI_STATUS (AE_OK);
132 139
133 140
134cleanup: 141cleanup:
135 acpi_ut_remove_reference (obj_desc); 142 acpi_ut_remove_reference (obj_desc);
143 *ddb_handle = NULL;
136 return_ACPI_STATUS (status); 144 return_ACPI_STATUS (status);
137} 145}
138 146
@@ -376,16 +384,22 @@ acpi_ex_load_op (
376 */ 384 */
377 status = acpi_ex_read_data_from_field (walk_state, obj_desc, &buffer_desc); 385 status = acpi_ex_read_data_from_field (walk_state, obj_desc, &buffer_desc);
378 if (ACPI_FAILURE (status)) { 386 if (ACPI_FAILURE (status)) {
379 goto cleanup; 387 return_ACPI_STATUS (status);
380 } 388 }
381 389
382 table_ptr = ACPI_CAST_PTR (struct acpi_table_header, 390 table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
383 buffer_desc->buffer.pointer); 391 buffer_desc->buffer.pointer);
384 392
385 /* Sanity check the table length */ 393 /* All done with the buffer_desc, delete it */
394
395 buffer_desc->buffer.pointer = NULL;
396 acpi_ut_remove_reference (buffer_desc);
397
398 /* Sanity check the table length */
386 399
387 if (table_ptr->length < sizeof (struct acpi_table_header)) { 400 if (table_ptr->length < sizeof (struct acpi_table_header)) {
388 return_ACPI_STATUS (AE_BAD_HEADER); 401 status = AE_BAD_HEADER;
402 goto cleanup;
389 } 403 }
390 break; 404 break;
391 405
@@ -413,7 +427,9 @@ acpi_ex_load_op (
413 427
414 status = acpi_ex_add_table (table_ptr, acpi_gbl_root_node, &ddb_handle); 428 status = acpi_ex_add_table (table_ptr, acpi_gbl_root_node, &ddb_handle);
415 if (ACPI_FAILURE (status)) { 429 if (ACPI_FAILURE (status)) {
416 goto cleanup; 430 /* On error, table_ptr was deallocated above */
431
432 return_ACPI_STATUS (status);
417 } 433 }
418 434
419 /* Store the ddb_handle into the Target operand */ 435 /* Store the ddb_handle into the Target operand */
@@ -421,17 +437,14 @@ acpi_ex_load_op (
421 status = acpi_ex_store (ddb_handle, target, walk_state); 437 status = acpi_ex_store (ddb_handle, target, walk_state);
422 if (ACPI_FAILURE (status)) { 438 if (ACPI_FAILURE (status)) {
423 (void) acpi_ex_unload_table (ddb_handle); 439 (void) acpi_ex_unload_table (ddb_handle);
424 }
425 440
426 return_ACPI_STATUS (status); 441 /* table_ptr was deallocated above */
427 442
443 return_ACPI_STATUS (status);
444 }
428 445
429cleanup: 446cleanup:
430 447 if (ACPI_FAILURE (status)) {
431 if (buffer_desc) {
432 acpi_ut_remove_reference (buffer_desc);
433 }
434 else {
435 ACPI_MEM_FREE (table_ptr); 448 ACPI_MEM_FREE (table_ptr);
436 } 449 }
437 return_ACPI_STATUS (status); 450 return_ACPI_STATUS (status);
@@ -482,7 +495,8 @@ acpi_ex_unload_table (
482 * Delete the entire namespace under this table Node 495 * Delete the entire namespace under this table Node
483 * (Offset contains the table_id) 496 * (Offset contains the table_id)
484 */ 497 */
485 acpi_ns_delete_namespace_by_owner (table_info->table_id); 498 acpi_ns_delete_namespace_by_owner (table_info->owner_id);
499 acpi_ut_release_owner_id (&table_info->owner_id);
486 500
487 /* Delete the table itself */ 501 /* Delete the table itself */
488 502
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 97856c48bd74..21331625e66e 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -367,7 +367,7 @@ acpi_ex_convert_to_ascii (
367 367
368 /* hex_length: 2 ascii hex chars per data byte */ 368 /* hex_length: 2 ascii hex chars per data byte */
369 369
370 hex_length = ACPI_MUL_2 (data_width); 370 hex_length = (acpi_native_uint) ACPI_MUL_2 (data_width);
371 for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) { 371 for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
372 /* Get one hex digit, most significant digits first */ 372 /* Get one hex digit, most significant digits first */
373 373
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 408500648114..4f98dceed39a 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -51,6 +51,11 @@
51#define _COMPONENT ACPI_EXECUTER 51#define _COMPONENT ACPI_EXECUTER
52 ACPI_MODULE_NAME ("exdump") 52 ACPI_MODULE_NAME ("exdump")
53 53
54/*
55 * The following routines are used for debug output only
56 */
57#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
58
54/* Local prototypes */ 59/* Local prototypes */
55 60
56#ifdef ACPI_FUTURE_USAGE 61#ifdef ACPI_FUTURE_USAGE
@@ -73,13 +78,17 @@ static void
73acpi_ex_out_address ( 78acpi_ex_out_address (
74 char *title, 79 char *title,
75 acpi_physical_address value); 80 acpi_physical_address value);
76#endif /* ACPI_FUTURE_USAGE */
77 81
82static void
83acpi_ex_dump_reference (
84 union acpi_operand_object *obj_desc);
78 85
79/* 86static void
80 * The following routines are used for debug output only 87acpi_ex_dump_package (
81 */ 88 union acpi_operand_object *obj_desc,
82#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 89 u32 level,
90 u32 index);
91#endif /* ACPI_FUTURE_USAGE */
83 92
84/******************************************************************************* 93/*******************************************************************************
85 * 94 *
@@ -118,7 +127,7 @@ acpi_ex_dump_operand (
118 } 127 }
119 128
120 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) { 129 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
121 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p is a NS Node: ", obj_desc)); 130 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p Namespace Node: ", obj_desc));
122 ACPI_DUMP_ENTRY (obj_desc, ACPI_LV_EXEC); 131 ACPI_DUMP_ENTRY (obj_desc, ACPI_LV_EXEC);
123 return; 132 return;
124 } 133 }
@@ -467,7 +476,7 @@ acpi_ex_dump_operands (
467 } 476 }
468 477
469 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 478 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
470 "************* Stack dump from %s(%d), %s\n", 479 "************* Operand Stack dump from %s(%d), %s\n",
471 module_name, line_number, note)); 480 module_name, line_number, note));
472 return; 481 return;
473} 482}
@@ -508,7 +517,7 @@ acpi_ex_out_integer (
508 char *title, 517 char *title,
509 u32 value) 518 u32 value)
510{ 519{
511 acpi_os_printf ("%20s : %X\n", title, value); 520 acpi_os_printf ("%20s : %.2X\n", title, value);
512} 521}
513 522
514static void 523static void
@@ -565,9 +574,144 @@ acpi_ex_dump_node (
565 574
566/******************************************************************************* 575/*******************************************************************************
567 * 576 *
577 * FUNCTION: acpi_ex_dump_reference
578 *
579 * PARAMETERS: Object - Descriptor to dump
580 *
581 * DESCRIPTION: Dumps a reference object
582 *
583 ******************************************************************************/
584
585static void
586acpi_ex_dump_reference (
587 union acpi_operand_object *obj_desc)
588{
589 struct acpi_buffer ret_buf;
590 acpi_status status;
591
592
593 if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
594 acpi_os_printf ("Named Object %p ", obj_desc->reference.node);
595 ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
596 status = acpi_ns_handle_to_pathname (obj_desc->reference.node, &ret_buf);
597 if (ACPI_FAILURE (status)) {
598 acpi_os_printf ("Could not convert name to pathname\n");
599 }
600 else {
601 acpi_os_printf ("%s\n", (char *) ret_buf.pointer);
602 ACPI_MEM_FREE (ret_buf.pointer);
603 }
604 }
605 else if (obj_desc->reference.object) {
606 acpi_os_printf ("\nReferenced Object: %p\n", obj_desc->reference.object);
607 }
608}
609
610
611/*******************************************************************************
612 *
613 * FUNCTION: acpi_ex_dump_package
614 *
615 * PARAMETERS: Object - Descriptor to dump
616 * Level - Indentation Level
617 * Index - Package index for this object
618 *
619 * DESCRIPTION: Dumps the elements of the package
620 *
621 ******************************************************************************/
622
623static void
624acpi_ex_dump_package (
625 union acpi_operand_object *obj_desc,
626 u32 level,
627 u32 index)
628{
629 u32 i;
630
631
632 /* Indentation and index output */
633
634 if (level > 0) {
635 for (i = 0; i < level; i++) {
636 acpi_os_printf (" ");
637 }
638
639 acpi_os_printf ("[%.2d] ", index);
640 }
641
642 acpi_os_printf ("%p ", obj_desc);
643
644 /* Null package elements are allowed */
645
646 if (!obj_desc) {
647 acpi_os_printf ("[Null Object]\n");
648 return;
649 }
650
651 /* Packages may only contain a few object types */
652
653 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
654 case ACPI_TYPE_INTEGER:
655
656 acpi_os_printf ("[Integer] = %8.8X%8.8X\n",
657 ACPI_FORMAT_UINT64 (obj_desc->integer.value));
658 break;
659
660
661 case ACPI_TYPE_STRING:
662
663 acpi_os_printf ("[String] Value: ");
664 for (i = 0; i < obj_desc->string.length; i++) {
665 acpi_os_printf ("%c", obj_desc->string.pointer[i]);
666 }
667 acpi_os_printf ("\n");
668 break;
669
670
671 case ACPI_TYPE_BUFFER:
672
673 acpi_os_printf ("[Buffer] Length %.2X = ", obj_desc->buffer.length);
674 if (obj_desc->buffer.length) {
675 acpi_ut_dump_buffer ((u8 *) obj_desc->buffer.pointer,
676 obj_desc->buffer.length, DB_DWORD_DISPLAY, _COMPONENT);
677 }
678 else {
679 acpi_os_printf ("\n");
680 }
681 break;
682
683
684 case ACPI_TYPE_PACKAGE:
685
686 acpi_os_printf ("[Package] Contains %d Elements: \n",
687 obj_desc->package.count);
688
689 for (i = 0; i < obj_desc->package.count; i++) {
690 acpi_ex_dump_package (obj_desc->package.elements[i], level+1, i);
691 }
692 break;
693
694
695 case ACPI_TYPE_LOCAL_REFERENCE:
696
697 acpi_os_printf ("[Object Reference] ");
698 acpi_ex_dump_reference (obj_desc);
699 break;
700
701
702 default:
703
704 acpi_os_printf ("[Unknown Type] %X\n", ACPI_GET_OBJECT_TYPE (obj_desc));
705 break;
706 }
707}
708
709
710/*******************************************************************************
711 *
568 * FUNCTION: acpi_ex_dump_object_descriptor 712 * FUNCTION: acpi_ex_dump_object_descriptor
569 * 713 *
570 * PARAMETERS: *Object - Descriptor to dump 714 * PARAMETERS: Object - Descriptor to dump
571 * Flags - Force display if TRUE 715 * Flags - Force display if TRUE
572 * 716 *
573 * DESCRIPTION: Dumps the members of the object descriptor given. 717 * DESCRIPTION: Dumps the members of the object descriptor given.
@@ -579,9 +723,6 @@ acpi_ex_dump_object_descriptor (
579 union acpi_operand_object *obj_desc, 723 union acpi_operand_object *obj_desc,
580 u32 flags) 724 u32 flags)
581{ 725{
582 u32 i;
583
584
585 ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor"); 726 ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
586 727
587 728
@@ -648,22 +789,13 @@ acpi_ex_dump_object_descriptor (
648 case ACPI_TYPE_PACKAGE: 789 case ACPI_TYPE_PACKAGE:
649 790
650 acpi_ex_out_integer ("Flags", obj_desc->package.flags); 791 acpi_ex_out_integer ("Flags", obj_desc->package.flags);
651 acpi_ex_out_integer ("Count", obj_desc->package.count); 792 acpi_ex_out_integer ("Elements", obj_desc->package.count);
652 acpi_ex_out_pointer ("Elements", obj_desc->package.elements); 793 acpi_ex_out_pointer ("Element List", obj_desc->package.elements);
653 794
654 /* Dump the package contents */ 795 /* Dump the package contents */
655 796
656 if (obj_desc->package.count > 0) { 797 acpi_os_printf ("\nPackage Contents:\n");
657 acpi_os_printf ("\nPackage Contents:\n"); 798 acpi_ex_dump_package (obj_desc, 0, 0);
658 for (i = 0; i < obj_desc->package.count; i++) {
659 acpi_os_printf ("[%.3d] %p", i, obj_desc->package.elements[i]);
660 if (obj_desc->package.elements[i]) {
661 acpi_os_printf (" %s",
662 acpi_ut_get_object_type_name (obj_desc->package.elements[i]));
663 }
664 acpi_os_printf ("\n");
665 }
666 }
667 break; 799 break;
668 800
669 801
@@ -686,7 +818,7 @@ acpi_ex_dump_object_descriptor (
686 acpi_ex_out_integer ("param_count", obj_desc->method.param_count); 818 acpi_ex_out_integer ("param_count", obj_desc->method.param_count);
687 acpi_ex_out_integer ("Concurrency", obj_desc->method.concurrency); 819 acpi_ex_out_integer ("Concurrency", obj_desc->method.concurrency);
688 acpi_ex_out_pointer ("Semaphore", obj_desc->method.semaphore); 820 acpi_ex_out_pointer ("Semaphore", obj_desc->method.semaphore);
689 acpi_ex_out_integer ("owning_id", obj_desc->method.owning_id); 821 acpi_ex_out_integer ("owner_id", obj_desc->method.owner_id);
690 acpi_ex_out_integer ("aml_length", obj_desc->method.aml_length); 822 acpi_ex_out_integer ("aml_length", obj_desc->method.aml_length);
691 acpi_ex_out_pointer ("aml_start", obj_desc->method.aml_start); 823 acpi_ex_out_pointer ("aml_start", obj_desc->method.aml_start);
692 break; 824 break;
@@ -790,10 +922,7 @@ acpi_ex_dump_object_descriptor (
790 acpi_ex_out_pointer ("Node", obj_desc->reference.node); 922 acpi_ex_out_pointer ("Node", obj_desc->reference.node);
791 acpi_ex_out_pointer ("Where", obj_desc->reference.where); 923 acpi_ex_out_pointer ("Where", obj_desc->reference.where);
792 924
793 if (obj_desc->reference.object) { 925 acpi_ex_dump_reference (obj_desc);
794 acpi_os_printf ("\nReferenced Object:\n");
795 acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
796 }
797 break; 926 break;
798 927
799 928
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index 22c8fa480f60..a690c9250990 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -87,6 +87,9 @@ acpi_ex_read_data_from_field (
87 if (!obj_desc) { 87 if (!obj_desc) {
88 return_ACPI_STATUS (AE_AML_NO_OPERAND); 88 return_ACPI_STATUS (AE_AML_NO_OPERAND);
89 } 89 }
90 if (!ret_buffer_desc) {
91 return_ACPI_STATUS (AE_BAD_PARAMETER);
92 }
90 93
91 if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) { 94 if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
92 /* 95 /*
@@ -182,7 +185,7 @@ exit:
182 if (ACPI_FAILURE (status)) { 185 if (ACPI_FAILURE (status)) {
183 acpi_ut_remove_reference (buffer_desc); 186 acpi_ut_remove_reference (buffer_desc);
184 } 187 }
185 else if (ret_buffer_desc) { 188 else {
186 *ret_buffer_desc = buffer_desc; 189 *ret_buffer_desc = buffer_desc;
187 } 190 }
188 191
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 022f281345b8..237ef28c8132 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -302,7 +302,7 @@ acpi_ex_do_concatenate (
302 /* Result of two Integers is a Buffer */ 302 /* Result of two Integers is a Buffer */
303 /* Need enough buffer space for two integers */ 303 /* Need enough buffer space for two integers */
304 304
305 return_desc = acpi_ut_create_buffer_object ( 305 return_desc = acpi_ut_create_buffer_object ((acpi_size)
306 ACPI_MUL_2 (acpi_gbl_integer_byte_width)); 306 ACPI_MUL_2 (acpi_gbl_integer_byte_width));
307 if (!return_desc) { 307 if (!return_desc) {
308 status = AE_NO_MEMORY; 308 status = AE_NO_MEMORY;
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 639f0bd3f6d8..b6ba1a7a677a 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -438,6 +438,13 @@ acpi_ex_get_name_string (
438 status = AE_AML_BAD_NAME; 438 status = AE_AML_BAD_NAME;
439 } 439 }
440 440
441 if (ACPI_FAILURE (status)) {
442 if (name_string) {
443 ACPI_MEM_FREE (name_string);
444 }
445 return_ACPI_STATUS (status);
446 }
447
441 *out_name_string = name_string; 448 *out_name_string = name_string;
442 *out_name_length = (u32) (aml_address - in_aml_address); 449 *out_name_length = (u32) (aml_address - in_aml_address);
443 450
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index dbdf8262ba00..48c30f800083 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -113,8 +113,9 @@ acpi_ex_opcode_0A_0T_1R (
113 status = AE_NO_MEMORY; 113 status = AE_NO_MEMORY;
114 goto cleanup; 114 goto cleanup;
115 } 115 }
116 116#if ACPI_MACHINE_WIDTH != 16
117 return_desc->integer.value = acpi_os_get_timer (); 117 return_desc->integer.value = acpi_os_get_timer ();
118#endif
118 break; 119 break;
119 120
120 default: /* Unknown opcode */ 121 default: /* Unknown opcode */
@@ -127,15 +128,16 @@ acpi_ex_opcode_0A_0T_1R (
127 128
128cleanup: 129cleanup:
129 130
130 if (!walk_state->result_obj) {
131 walk_state->result_obj = return_desc;
132 }
133
134 /* Delete return object on error */ 131 /* Delete return object on error */
135 132
136 if (ACPI_FAILURE (status)) { 133 if ((ACPI_FAILURE (status)) || walk_state->result_obj) {
137 acpi_ut_remove_reference (return_desc); 134 acpi_ut_remove_reference (return_desc);
138 } 135 }
136 else {
137 /* Save the return value */
138
139 walk_state->result_obj = return_desc;
140 }
139 141
140 return_ACPI_STATUS (status); 142 return_ACPI_STATUS (status);
141} 143}
@@ -902,6 +904,7 @@ acpi_ex_opcode_1A_0T_1R (
902 */ 904 */
903 return_desc = acpi_ns_get_attached_object ( 905 return_desc = acpi_ns_get_attached_object (
904 (struct acpi_namespace_node *) operand[0]); 906 (struct acpi_namespace_node *) operand[0]);
907 acpi_ut_add_reference (return_desc);
905 } 908 }
906 else { 909 else {
907 /* 910 /*
@@ -951,20 +954,10 @@ acpi_ex_opcode_1A_0T_1R (
951 * add another reference to the referenced object, however. 954 * add another reference to the referenced object, however.
952 */ 955 */
953 return_desc = *(operand[0]->reference.where); 956 return_desc = *(operand[0]->reference.where);
954 if (!return_desc) { 957 if (return_desc) {
955 /* 958 acpi_ut_add_reference (return_desc);
956 * We can't return a NULL dereferenced value. This is
957 * an uninitialized package element and is thus a
958 * severe error.
959 */
960 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
961 "NULL package element obj %p\n",
962 operand[0]));
963 status = AE_AML_UNINITIALIZED_ELEMENT;
964 goto cleanup;
965 } 959 }
966 960
967 acpi_ut_add_reference (return_desc);
968 break; 961 break;
969 962
970 963
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 23b068adbf58..197890f443b5 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -160,7 +160,7 @@ acpi_ex_opcode_3A_1T_1R (
160{ 160{
161 union acpi_operand_object **operand = &walk_state->operands[0]; 161 union acpi_operand_object **operand = &walk_state->operands[0];
162 union acpi_operand_object *return_desc = NULL; 162 union acpi_operand_object *return_desc = NULL;
163 char *buffer; 163 char *buffer = NULL;
164 acpi_status status = AE_OK; 164 acpi_status status = AE_OK;
165 acpi_integer index; 165 acpi_integer index;
166 acpi_size length; 166 acpi_size length;
@@ -193,34 +193,63 @@ acpi_ex_opcode_3A_1T_1R (
193 * If the index is beyond the length of the String/Buffer, or if the 193 * If the index is beyond the length of the String/Buffer, or if the
194 * requested length is zero, return a zero-length String/Buffer 194 * requested length is zero, return a zero-length String/Buffer
195 */ 195 */
196 if ((index < operand[0]->string.length) && 196 if (index >= operand[0]->string.length) {
197 (length > 0)) { 197 length = 0;
198 /* Truncate request if larger than the actual String/Buffer */ 198 }
199 199
200 if ((index + length) > 200 /* Truncate request if larger than the actual String/Buffer */
201 operand[0]->string.length) { 201
202 length = (acpi_size) operand[0]->string.length - 202 else if ((index + length) > operand[0]->string.length) {
203 (acpi_size) index; 203 length = (acpi_size) operand[0]->string.length -
204 } 204 (acpi_size) index;
205 }
205 206
206 /* Allocate a new buffer for the String/Buffer */ 207 /* Strings always have a sub-pointer, not so for buffers */
208
209 switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
210 case ACPI_TYPE_STRING:
211
212 /* Always allocate a new buffer for the String */
207 213
208 buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1); 214 buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
209 if (!buffer) { 215 if (!buffer) {
210 status = AE_NO_MEMORY; 216 status = AE_NO_MEMORY;
211 goto cleanup; 217 goto cleanup;
212 } 218 }
219 break;
220
221 case ACPI_TYPE_BUFFER:
222
223 /* If the requested length is zero, don't allocate a buffer */
224
225 if (length > 0) {
226 /* Allocate a new buffer for the Buffer */
227
228 buffer = ACPI_MEM_CALLOCATE (length);
229 if (!buffer) {
230 status = AE_NO_MEMORY;
231 goto cleanup;
232 }
233 }
234 break;
213 235
236 default: /* Should not happen */
237
238 status = AE_AML_OPERAND_TYPE;
239 goto cleanup;
240 }
241
242 if (length > 0) {
214 /* Copy the portion requested */ 243 /* Copy the portion requested */
215 244
216 ACPI_MEMCPY (buffer, operand[0]->string.pointer + index, 245 ACPI_MEMCPY (buffer, operand[0]->string.pointer + index,
217 length); 246 length);
247 }
218 248
219 /* Set the length of the new String/Buffer */ 249 /* Set the length of the new String/Buffer */
220 250
221 return_desc->string.pointer = buffer; 251 return_desc->string.pointer = buffer;
222 return_desc->string.length = (u32) length; 252 return_desc->string.length = (u32) length;
223 }
224 253
225 /* Mark buffer initialized */ 254 /* Mark buffer initialized */
226 255
@@ -244,13 +273,13 @@ cleanup:
244 273
245 /* Delete return object on error */ 274 /* Delete return object on error */
246 275
247 if (ACPI_FAILURE (status)) { 276 if (ACPI_FAILURE (status) || walk_state->result_obj) {
248 acpi_ut_remove_reference (return_desc); 277 acpi_ut_remove_reference (return_desc);
249 } 278 }
250 279
251 /* Set the return object and exit */ 280 /* Set the return object and exit */
252 281
253 if (!walk_state->result_obj) { 282 else {
254 walk_state->result_obj = return_desc; 283 walk_state->result_obj = return_desc;
255 } 284 }
256 return_ACPI_STATUS (status); 285 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index d8b470eefe7a..aaba7abcb52d 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -426,6 +426,10 @@ acpi_ex_resolve_operands (
426 426
427 return_ACPI_STATUS (status); 427 return_ACPI_STATUS (status);
428 } 428 }
429
430 if (obj_desc != *stack_ptr) {
431 acpi_ut_remove_reference (obj_desc);
432 }
429 goto next_operand; 433 goto next_operand;
430 434
431 435
@@ -448,6 +452,10 @@ acpi_ex_resolve_operands (
448 452
449 return_ACPI_STATUS (status); 453 return_ACPI_STATUS (status);
450 } 454 }
455
456 if (obj_desc != *stack_ptr) {
457 acpi_ut_remove_reference (obj_desc);
458 }
451 goto next_operand; 459 goto next_operand;
452 460
453 461
@@ -471,6 +479,10 @@ acpi_ex_resolve_operands (
471 479
472 return_ACPI_STATUS (status); 480 return_ACPI_STATUS (status);
473 } 481 }
482
483 if (obj_desc != *stack_ptr) {
484 acpi_ut_remove_reference (obj_desc);
485 }
474 goto next_operand; 486 goto next_operand;
475 487
476 488
@@ -515,6 +527,10 @@ acpi_ex_resolve_operands (
515 if (ACPI_FAILURE (status)) { 527 if (ACPI_FAILURE (status)) {
516 return_ACPI_STATUS (status); 528 return_ACPI_STATUS (status);
517 } 529 }
530
531 if (obj_desc != *stack_ptr) {
532 acpi_ut_remove_reference (obj_desc);
533 }
518 break; 534 break;
519 535
520 default: 536 default:
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 2725db0901b8..59dbfeaa54c0 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -147,7 +147,7 @@ acpi_ex_do_debug_object (
147 147
148 case ACPI_TYPE_BUFFER: 148 case ACPI_TYPE_BUFFER:
149 149
150 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]", 150 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
151 (u32) source_desc->buffer.length)); 151 (u32) source_desc->buffer.length));
152 ACPI_DUMP_BUFFER (source_desc->buffer.pointer, 152 ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
153 (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32); 153 (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
@@ -574,7 +574,7 @@ acpi_ex_store_object_to_node (
574 574
575 /* If no implicit conversion, drop into the default case below */ 575 /* If no implicit conversion, drop into the default case below */
576 576
577 if (!implicit_conversion) { 577 if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
578 /* Force execution of default (no implicit conversion) */ 578 /* Force execution of default (no implicit conversion) */
579 579
580 target_type = ACPI_TYPE_ANY; 580 target_type = ACPI_TYPE_ANY;
@@ -634,7 +634,7 @@ acpi_ex_store_object_to_node (
634 default: 634 default:
635 635
636 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 636 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
637 "Storing %s (%p) directly into node (%p), no implicit conversion\n", 637 "Storing %s (%p) directly into node (%p) with no implicit conversion\n",
638 acpi_ut_get_object_type_name (source_desc), source_desc, node)); 638 acpi_ut_get_object_type_name (source_desc), source_desc, node));
639 639
640 /* No conversions for all other types. Just attach the source object */ 640 /* No conversions for all other types. Just attach the source object */
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 120f30ed0bd4..433588ab432a 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -265,10 +265,6 @@ acpi_ex_store_object_to_object (
265 265
266 case ACPI_TYPE_BUFFER: 266 case ACPI_TYPE_BUFFER:
267 267
268 /*
269 * Note: There is different store behavior depending on the original
270 * source type
271 */
272 status = acpi_ex_store_buffer_to_buffer (actual_src_desc, dest_desc); 268 status = acpi_ex_store_buffer_to_buffer (actual_src_desc, dest_desc);
273 break; 269 break;
274 270
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 5c7ec0c04177..d00b0dcba96a 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -369,7 +369,7 @@ acpi_ex_eisa_id_to_string (
369 * 369 *
370 * RETURN: None, string 370 * RETURN: None, string
371 * 371 *
372 * DESCRIPTOIN: Convert a number to string representation. Assumes string 372 * DESCRIPTION: Convert a number to string representation. Assumes string
373 * buffer is large enough to hold the string. 373 * buffer is large enough to hold the string.
374 * 374 *
375 ******************************************************************************/ 375 ******************************************************************************/
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 8daeabb2fc7a..3536bbb990c3 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -374,7 +374,7 @@ acpi_hw_enable_wakeup_gpe_block (
374 * 374 *
375 * FUNCTION: acpi_hw_disable_all_gpes 375 * FUNCTION: acpi_hw_disable_all_gpes
376 * 376 *
377 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR 377 * PARAMETERS: None
378 * 378 *
379 * RETURN: Status 379 * RETURN: Status
380 * 380 *
@@ -384,7 +384,7 @@ acpi_hw_enable_wakeup_gpe_block (
384 384
385acpi_status 385acpi_status
386acpi_hw_disable_all_gpes ( 386acpi_hw_disable_all_gpes (
387 u32 flags) 387 void)
388{ 388{
389 acpi_status status; 389 acpi_status status;
390 390
@@ -392,8 +392,8 @@ acpi_hw_disable_all_gpes (
392 ACPI_FUNCTION_TRACE ("hw_disable_all_gpes"); 392 ACPI_FUNCTION_TRACE ("hw_disable_all_gpes");
393 393
394 394
395 status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, flags); 395 status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
396 status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, flags); 396 status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
397 return_ACPI_STATUS (status); 397 return_ACPI_STATUS (status);
398} 398}
399 399
@@ -402,7 +402,7 @@ acpi_hw_disable_all_gpes (
402 * 402 *
403 * FUNCTION: acpi_hw_enable_all_runtime_gpes 403 * FUNCTION: acpi_hw_enable_all_runtime_gpes
404 * 404 *
405 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR 405 * PARAMETERS: None
406 * 406 *
407 * RETURN: Status 407 * RETURN: Status
408 * 408 *
@@ -412,7 +412,7 @@ acpi_hw_disable_all_gpes (
412 412
413acpi_status 413acpi_status
414acpi_hw_enable_all_runtime_gpes ( 414acpi_hw_enable_all_runtime_gpes (
415 u32 flags) 415 void)
416{ 416{
417 acpi_status status; 417 acpi_status status;
418 418
@@ -420,7 +420,7 @@ acpi_hw_enable_all_runtime_gpes (
420 ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes"); 420 ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes");
421 421
422 422
423 status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block, flags); 423 status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block);
424 return_ACPI_STATUS (status); 424 return_ACPI_STATUS (status);
425} 425}
426 426
@@ -429,7 +429,7 @@ acpi_hw_enable_all_runtime_gpes (
429 * 429 *
430 * FUNCTION: acpi_hw_enable_all_wakeup_gpes 430 * FUNCTION: acpi_hw_enable_all_wakeup_gpes
431 * 431 *
432 * PARAMETERS: Flags - ACPI_NOT_ISR or ACPI_ISR 432 * PARAMETERS: None
433 * 433 *
434 * RETURN: Status 434 * RETURN: Status
435 * 435 *
@@ -439,7 +439,7 @@ acpi_hw_enable_all_runtime_gpes (
439 439
440acpi_status 440acpi_status
441acpi_hw_enable_all_wakeup_gpes ( 441acpi_hw_enable_all_wakeup_gpes (
442 u32 flags) 442 void)
443{ 443{
444 acpi_status status; 444 acpi_status status;
445 445
@@ -447,7 +447,7 @@ acpi_hw_enable_all_wakeup_gpes (
447 ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes"); 447 ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes");
448 448
449 449
450 status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block, flags); 450 status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block);
451 return_ACPI_STATUS (status); 451 return_ACPI_STATUS (status);
452} 452}
453 453
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index 6d9e4eb84836..04a058565d8d 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -106,7 +106,7 @@ acpi_hw_clear_acpi_status (
106 106
107 /* Clear the GPE Bits in all GPE registers in all GPE blocks */ 107 /* Clear the GPE Bits in all GPE registers in all GPE blocks */
108 108
109 status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, ACPI_ISR); 109 status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
110 110
111unlock_and_exit: 111unlock_and_exit:
112 if (flags & ACPI_MTX_LOCK) { 112 if (flags & ACPI_MTX_LOCK) {
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 415d342aeab5..cedee0c43b5f 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -274,13 +274,13 @@ acpi_enter_sleep_state (
274 * 1) Disable/Clear all GPEs 274 * 1) Disable/Clear all GPEs
275 * 2) Enable all wakeup GPEs 275 * 2) Enable all wakeup GPEs
276 */ 276 */
277 status = acpi_hw_disable_all_gpes (ACPI_ISR); 277 status = acpi_hw_disable_all_gpes ();
278 if (ACPI_FAILURE (status)) { 278 if (ACPI_FAILURE (status)) {
279 return_ACPI_STATUS (status); 279 return_ACPI_STATUS (status);
280 } 280 }
281 acpi_gbl_system_awake_and_running = FALSE; 281 acpi_gbl_system_awake_and_running = FALSE;
282 282
283 status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR); 283 status = acpi_hw_enable_all_wakeup_gpes ();
284 if (ACPI_FAILURE (status)) { 284 if (ACPI_FAILURE (status)) {
285 return_ACPI_STATUS (status); 285 return_ACPI_STATUS (status);
286 } 286 }
@@ -424,13 +424,13 @@ acpi_enter_sleep_state_s4bios (
424 * 1) Disable/Clear all GPEs 424 * 1) Disable/Clear all GPEs
425 * 2) Enable all wakeup GPEs 425 * 2) Enable all wakeup GPEs
426 */ 426 */
427 status = acpi_hw_disable_all_gpes (ACPI_ISR); 427 status = acpi_hw_disable_all_gpes ();
428 if (ACPI_FAILURE (status)) { 428 if (ACPI_FAILURE (status)) {
429 return_ACPI_STATUS (status); 429 return_ACPI_STATUS (status);
430 } 430 }
431 acpi_gbl_system_awake_and_running = FALSE; 431 acpi_gbl_system_awake_and_running = FALSE;
432 432
433 status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR); 433 status = acpi_hw_enable_all_wakeup_gpes ();
434 if (ACPI_FAILURE (status)) { 434 if (ACPI_FAILURE (status)) {
435 return_ACPI_STATUS (status); 435 return_ACPI_STATUS (status);
436 } 436 }
@@ -557,13 +557,13 @@ acpi_leave_sleep_state (
557 * 1) Disable/Clear all GPEs 557 * 1) Disable/Clear all GPEs
558 * 2) Enable all runtime GPEs 558 * 2) Enable all runtime GPEs
559 */ 559 */
560 status = acpi_hw_disable_all_gpes (ACPI_NOT_ISR); 560 status = acpi_hw_disable_all_gpes ();
561 if (ACPI_FAILURE (status)) { 561 if (ACPI_FAILURE (status)) {
562 return_ACPI_STATUS (status); 562 return_ACPI_STATUS (status);
563 } 563 }
564 acpi_gbl_system_awake_and_running = TRUE; 564 acpi_gbl_system_awake_and_running = TRUE;
565 565
566 status = acpi_hw_enable_all_runtime_gpes (ACPI_NOT_ISR); 566 status = acpi_hw_enable_all_runtime_gpes ();
567 if (ACPI_FAILURE (status)) { 567 if (ACPI_FAILURE (status)) {
568 return_ACPI_STATUS (status); 568 return_ACPI_STATUS (status);
569 } 569 }
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index ece7a9dedd5c..7589e1fdf25a 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -159,19 +159,20 @@ acpi_ns_root_initialize (
159 obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val); 159 obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val);
160 obj_desc->common.flags |= AOPOBJ_DATA_VALID; 160 obj_desc->common.flags |= AOPOBJ_DATA_VALID;
161 161
162#if defined (_ACPI_ASL_COMPILER) || defined (_ACPI_DUMP_App) 162#if defined (ACPI_ASL_COMPILER)
163 163
164 /* 164 /* save the parameter count for the i_aSL compiler */
165 * i_aSL Compiler cheats by putting parameter count 165
166 * in the owner_iD 166 new_node->value = obj_desc->method.param_count;
167 */
168 new_node->owner_id = obj_desc->method.param_count;
169#else 167#else
170 /* Mark this as a very SPECIAL method */ 168 /* Mark this as a very SPECIAL method */
171 169
172 obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY; 170 obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY;
171
172#ifndef ACPI_DUMP_APP
173 obj_desc->method.implementation = acpi_ut_osi_implementation; 173 obj_desc->method.implementation = acpi_ut_osi_implementation;
174#endif 174#endif
175#endif
175 break; 176 break;
176 177
177 case ACPI_TYPE_INTEGER: 178 case ACPI_TYPE_INTEGER:
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 5653a19d7172..21d560decbf9 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -83,7 +83,7 @@ acpi_ns_create_node (
83 return_PTR (NULL); 83 return_PTR (NULL);
84 } 84 }
85 85
86 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_allocated++); 86 ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_allocated++);
87 87
88 node->name.integer = name; 88 node->name.integer = name;
89 node->reference_count = 1; 89 node->reference_count = 1;
@@ -151,7 +151,7 @@ acpi_ns_delete_node (
151 } 151 }
152 } 152 }
153 153
154 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++); 154 ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
155 155
156 /* 156 /*
157 * Detach an object if there is one then delete the node 157 * Detach an object if there is one then delete the node
@@ -176,10 +176,9 @@ acpi_ns_delete_node (
176 * DESCRIPTION: Initialize a new namespace node and install it amongst 176 * DESCRIPTION: Initialize a new namespace node and install it amongst
177 * its peers. 177 * its peers.
178 * 178 *
179 * Note: Current namespace lookup is linear search. However, the 179 * Note: Current namespace lookup is linear search. This appears
180 * nodes are linked in alphabetical order to 1) put all reserved 180 * to be sufficient as namespace searches consume only a small
181 * names (start with underscore) first, and to 2) make a readable 181 * fraction of the execution time of the ACPI subsystem.
182 * namespace dump.
183 * 182 *
184 ******************************************************************************/ 183 ******************************************************************************/
185 184
@@ -190,12 +189,8 @@ acpi_ns_install_node (
190 struct acpi_namespace_node *node, /* New Child*/ 189 struct acpi_namespace_node *node, /* New Child*/
191 acpi_object_type type) 190 acpi_object_type type)
192{ 191{
193 u16 owner_id = 0; 192 acpi_owner_id owner_id = 0;
194 struct acpi_namespace_node *child_node; 193 struct acpi_namespace_node *child_node;
195#ifdef ACPI_ALPHABETIC_NAMESPACE
196
197 struct acpi_namespace_node *previous_child_node;
198#endif
199 194
200 195
201 ACPI_FUNCTION_TRACE ("ns_install_node"); 196 ACPI_FUNCTION_TRACE ("ns_install_node");
@@ -219,57 +214,6 @@ acpi_ns_install_node (
219 node->peer = parent_node; 214 node->peer = parent_node;
220 } 215 }
221 else { 216 else {
222#ifdef ACPI_ALPHABETIC_NAMESPACE
223 /*
224 * Walk the list whilst searching for the correct
225 * alphabetic placement.
226 */
227 previous_child_node = NULL;
228 while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node),
229 acpi_ut_get_node_name (node)) < 0) {
230 if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
231 /* Last peer; Clear end-of-list flag */
232
233 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
234
235 /* This node is the new peer to the child node */
236
237 child_node->peer = node;
238
239 /* This node is the new end-of-list */
240
241 node->flags |= ANOBJ_END_OF_PEER_LIST;
242 node->peer = parent_node;
243 break;
244 }
245
246 /* Get next peer */
247
248 previous_child_node = child_node;
249 child_node = child_node->peer;
250 }
251
252 /* Did the node get inserted at the end-of-list? */
253
254 if (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
255 /*
256 * Loop above terminated without reaching the end-of-list.
257 * Insert the new node at the current location
258 */
259 if (previous_child_node) {
260 /* Insert node alphabetically */
261
262 node->peer = child_node;
263 previous_child_node->peer = node;
264 }
265 else {
266 /* Insert node alphabetically at start of list */
267
268 node->peer = child_node;
269 parent_node->child = node;
270 }
271 }
272#else
273 while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) { 217 while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
274 child_node = child_node->peer; 218 child_node = child_node->peer;
275 } 219 }
@@ -279,9 +223,8 @@ acpi_ns_install_node (
279 /* Clear end-of-list flag */ 223 /* Clear end-of-list flag */
280 224
281 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST; 225 child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
282 node->flags |= ANOBJ_END_OF_PEER_LIST; 226 node->flags |= ANOBJ_END_OF_PEER_LIST;
283 node->peer = parent_node; 227 node->peer = parent_node;
284#endif
285 } 228 }
286 229
287 /* Init the new entry */ 230 /* Init the new entry */
@@ -362,7 +305,7 @@ acpi_ns_delete_children (
362 305
363 /* Now we can free this child object */ 306 /* Now we can free this child object */
364 307
365 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++); 308 ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
366 309
367 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n", 310 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
368 child_node, acpi_gbl_current_node_count)); 311 child_node, acpi_gbl_current_node_count));
@@ -559,7 +502,7 @@ acpi_ns_remove_reference (
559 502
560void 503void
561acpi_ns_delete_namespace_by_owner ( 504acpi_ns_delete_namespace_by_owner (
562 u16 owner_id) 505 acpi_owner_id owner_id)
563{ 506{
564 struct acpi_namespace_node *child_node; 507 struct acpi_namespace_node *child_node;
565 struct acpi_namespace_node *deletion_node; 508 struct acpi_namespace_node *deletion_node;
@@ -570,6 +513,10 @@ acpi_ns_delete_namespace_by_owner (
570 ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id); 513 ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id);
571 514
572 515
516 if (owner_id == 0) {
517 return_VOID;
518 }
519
573 parent_node = acpi_gbl_root_node; 520 parent_node = acpi_gbl_root_node;
574 child_node = NULL; 521 child_node = NULL;
575 deletion_node = NULL; 522 deletion_node = NULL;
@@ -639,54 +586,3 @@ acpi_ns_delete_namespace_by_owner (
639} 586}
640 587
641 588
642#ifdef ACPI_ALPHABETIC_NAMESPACE
643/*******************************************************************************
644 *
645 * FUNCTION: acpi_ns_compare_names
646 *
647 * PARAMETERS: Name1 - First name to compare
648 * Name2 - Second name to compare
649 *
650 * RETURN: value from strncmp
651 *
652 * DESCRIPTION: Compare two ACPI names. Names that are prefixed with an
653 * underscore are forced to be alphabetically first.
654 *
655 ******************************************************************************/
656
657int
658acpi_ns_compare_names (
659 char *name1,
660 char *name2)
661{
662 char reversed_name1[ACPI_NAME_SIZE];
663 char reversed_name2[ACPI_NAME_SIZE];
664 u32 i;
665 u32 j;
666
667
668 /*
669 * Replace all instances of "underscore" with a value that is smaller so
670 * that all names that are prefixed with underscore(s) are alphabetically
671 * first.
672 *
673 * Reverse the name bytewise so we can just do a 32-bit compare instead
674 * of a strncmp.
675 */
676 for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
677 reversed_name1[j] = name1[i];
678 if (name1[i] == '_') {
679 reversed_name1[j] = '*';
680 }
681
682 reversed_name2[j] = name2[i];
683 if (name2[i] == '_') {
684 reversed_name2[j] = '*';
685 }
686 }
687
688 return (*(int *) reversed_name1 - *(int *) reversed_name2);
689}
690#endif
691
692
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 6c2aef0e0dd4..5d25add6b031 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -85,6 +85,9 @@ acpi_ns_print_pathname (
85 u32 num_segments, 85 u32 num_segments,
86 char *pathname) 86 char *pathname)
87{ 87{
88 acpi_native_uint i;
89
90
88 ACPI_FUNCTION_NAME ("ns_print_pathname"); 91 ACPI_FUNCTION_NAME ("ns_print_pathname");
89 92
90 93
@@ -97,9 +100,13 @@ acpi_ns_print_pathname (
97 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "[")); 100 ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
98 101
99 while (num_segments) { 102 while (num_segments) {
100 acpi_os_printf ("%4.4s", pathname); 103 for (i = 0; i < 4; i++) {
101 pathname += ACPI_NAME_SIZE; 104 ACPI_IS_PRINT (pathname[i]) ?
105 acpi_os_printf ("%c", pathname[i]) :
106 acpi_os_printf ("?");
107 }
102 108
109 pathname += ACPI_NAME_SIZE;
103 num_segments--; 110 num_segments--;
104 if (num_segments) { 111 if (num_segments) {
105 acpi_os_printf ("."); 112 acpi_os_printf (".");
@@ -203,38 +210,42 @@ acpi_ns_dump_one_object (
203 210
204 /* Check if the owner matches */ 211 /* Check if the owner matches */
205 212
206 if ((info->owner_id != ACPI_UINT32_MAX) && 213 if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
207 (info->owner_id != this_node->owner_id)) { 214 (info->owner_id != this_node->owner_id)) {
208 return (AE_OK); 215 return (AE_OK);
209 } 216 }
210 217
211 /* Indent the object according to the level */ 218 if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
219 /* Indent the object according to the level */
212 220
213 acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " "); 221 acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
214 222
215 /* Check the node type and name */ 223 /* Check the node type and name */
216 224
217 if (type > ACPI_TYPE_LOCAL_MAX) { 225 if (type > ACPI_TYPE_LOCAL_MAX) {
218 ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type)); 226 ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
219 } 227 }
220 228
221 if (!acpi_ut_valid_acpi_name (this_node->name.integer)) { 229 if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
222 ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n", 230 ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
223 this_node->name.integer)); 231 this_node->name.integer));
232 }
233
234 acpi_os_printf ("%4.4s", acpi_ut_get_node_name (this_node));
224 } 235 }
225 236
226 /* 237 /*
227 * Now we can print out the pertinent information 238 * Now we can print out the pertinent information
228 */ 239 */
229 acpi_os_printf ("%4.4s %-12s %p ", 240 acpi_os_printf (" %-12s %p ",
230 acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node); 241 acpi_ut_get_type_name (type), this_node);
231 242
232 dbg_level = acpi_dbg_level; 243 dbg_level = acpi_dbg_level;
233 acpi_dbg_level = 0; 244 acpi_dbg_level = 0;
234 obj_desc = acpi_ns_get_attached_object (this_node); 245 obj_desc = acpi_ns_get_attached_object (this_node);
235 acpi_dbg_level = dbg_level; 246 acpi_dbg_level = dbg_level;
236 247
237 switch (info->display_type) { 248 switch (info->display_type & ACPI_DISPLAY_MASK) {
238 case ACPI_DISPLAY_SUMMARY: 249 case ACPI_DISPLAY_SUMMARY:
239 250
240 if (!obj_desc) { 251 if (!obj_desc) {
@@ -475,7 +486,7 @@ acpi_ns_dump_one_object (
475 486
476 while (obj_desc) { 487 while (obj_desc) {
477 obj_type = ACPI_TYPE_INVALID; 488 obj_type = ACPI_TYPE_INVALID;
478 acpi_os_printf (" Attached Object %p: ", obj_desc); 489 acpi_os_printf ("Attached Object %p: ", obj_desc);
479 490
480 /* Decode the type of attached object and dump the contents */ 491 /* Decode the type of attached object and dump the contents */
481 492
@@ -484,9 +495,9 @@ acpi_ns_dump_one_object (
484 495
485 acpi_os_printf ("(Ptr to Node)\n"); 496 acpi_os_printf ("(Ptr to Node)\n");
486 bytes_to_dump = sizeof (struct acpi_namespace_node); 497 bytes_to_dump = sizeof (struct acpi_namespace_node);
498 ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
487 break; 499 break;
488 500
489
490 case ACPI_DESC_TYPE_OPERAND: 501 case ACPI_DESC_TYPE_OPERAND:
491 502
492 obj_type = ACPI_GET_OBJECT_TYPE (obj_desc); 503 obj_type = ACPI_GET_OBJECT_TYPE (obj_desc);
@@ -497,24 +508,19 @@ acpi_ns_dump_one_object (
497 bytes_to_dump = 32; 508 bytes_to_dump = 32;
498 } 509 }
499 else { 510 else {
500 acpi_os_printf ("(Ptr to ACPI Object type %s, %X)\n", 511 acpi_os_printf ("(Ptr to ACPI Object type %X [%s])\n",
501 acpi_ut_get_type_name (obj_type), obj_type); 512 obj_type, acpi_ut_get_type_name (obj_type));
502 bytes_to_dump = sizeof (union acpi_operand_object); 513 bytes_to_dump = sizeof (union acpi_operand_object);
503 } 514 }
504 break;
505 515
516 ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
517 break;
506 518
507 default: 519 default:
508 520
509 acpi_os_printf (
510 "(String or Buffer ptr - not an object descriptor) [%s]\n",
511 acpi_ut_get_descriptor_name (obj_desc));
512 bytes_to_dump = 16;
513 break; 521 break;
514 } 522 }
515 523
516 ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
517
518 /* If value is NOT an internal object, we are done */ 524 /* If value is NOT an internal object, we are done */
519 525
520 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) { 526 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) {
@@ -525,13 +531,17 @@ acpi_ns_dump_one_object (
525 * Valid object, get the pointer to next level, if any 531 * Valid object, get the pointer to next level, if any
526 */ 532 */
527 switch (obj_type) { 533 switch (obj_type) {
534 case ACPI_TYPE_BUFFER:
528 case ACPI_TYPE_STRING: 535 case ACPI_TYPE_STRING:
536 /*
537 * NOTE: takes advantage of common fields between string/buffer
538 */
539 bytes_to_dump = obj_desc->string.length;
529 obj_desc = (void *) obj_desc->string.pointer; 540 obj_desc = (void *) obj_desc->string.pointer;
530 break; 541 acpi_os_printf ( "(Buffer/String pointer %p length %X)\n",
531 542 obj_desc, bytes_to_dump);
532 case ACPI_TYPE_BUFFER: 543 ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
533 obj_desc = (void *) obj_desc->buffer.pointer; 544 goto cleanup;
534 break;
535 545
536 case ACPI_TYPE_BUFFER_FIELD: 546 case ACPI_TYPE_BUFFER_FIELD:
537 obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj; 547 obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj;
@@ -595,7 +605,7 @@ acpi_ns_dump_objects (
595 acpi_object_type type, 605 acpi_object_type type,
596 u8 display_type, 606 u8 display_type,
597 u32 max_depth, 607 u32 max_depth,
598 u32 owner_id, 608 acpi_owner_id owner_id,
599 acpi_handle start_handle) 609 acpi_handle start_handle)
600{ 610{
601 struct acpi_walk_info info; 611 struct acpi_walk_info info;
@@ -640,14 +650,14 @@ acpi_ns_dump_entry (
640 650
641 651
642 info.debug_level = debug_level; 652 info.debug_level = debug_level;
643 info.owner_id = ACPI_UINT32_MAX; 653 info.owner_id = ACPI_OWNER_ID_MAX;
644 info.display_type = ACPI_DISPLAY_SUMMARY; 654 info.display_type = ACPI_DISPLAY_SUMMARY;
645 655
646 (void) acpi_ns_dump_one_object (handle, 1, &info, NULL); 656 (void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
647} 657}
648 658
649 659
650#ifdef _ACPI_ASL_COMPILER 660#ifdef ACPI_ASL_COMPILER
651/******************************************************************************* 661/*******************************************************************************
652 * 662 *
653 * FUNCTION: acpi_ns_dump_tables 663 * FUNCTION: acpi_ns_dump_tables
@@ -691,7 +701,7 @@ acpi_ns_dump_tables (
691 } 701 }
692 702
693 acpi_ns_dump_objects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth, 703 acpi_ns_dump_objects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
694 ACPI_UINT32_MAX, search_handle); 704 ACPI_OWNER_ID_MAX, search_handle);
695 return_VOID; 705 return_VOID;
696} 706}
697#endif /* _ACPI_ASL_COMPILER */ 707#endif /* _ACPI_ASL_COMPILER */
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 1ae89a1c8826..908cffd5e720 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -365,6 +365,7 @@ acpi_ns_evaluate_by_handle (
365 * 365 *
366 * PARAMETERS: Info - Method info block, contains: 366 * PARAMETERS: Info - Method info block, contains:
367 * Node - Method Node to execute 367 * Node - Method Node to execute
368 * obj_desc - Method object
368 * Parameters - List of parameters to pass to the method, 369 * Parameters - List of parameters to pass to the method,
369 * terminated by NULL. Params itself may be 370 * terminated by NULL. Params itself may be
370 * NULL if no parameters are being passed. 371 * NULL if no parameters are being passed.
@@ -387,7 +388,6 @@ acpi_ns_execute_control_method (
387 struct acpi_parameter_info *info) 388 struct acpi_parameter_info *info)
388{ 389{
389 acpi_status status; 390 acpi_status status;
390 union acpi_operand_object *obj_desc;
391 391
392 392
393 ACPI_FUNCTION_TRACE ("ns_execute_control_method"); 393 ACPI_FUNCTION_TRACE ("ns_execute_control_method");
@@ -395,8 +395,8 @@ acpi_ns_execute_control_method (
395 395
396 /* Verify that there is a method associated with this object */ 396 /* Verify that there is a method associated with this object */
397 397
398 obj_desc = acpi_ns_get_attached_object (info->node); 398 info->obj_desc = acpi_ns_get_attached_object (info->node);
399 if (!obj_desc) { 399 if (!info->obj_desc) {
400 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n")); 400 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n"));
401 401
402 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); 402 (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
@@ -407,7 +407,7 @@ acpi_ns_execute_control_method (
407 ACPI_LV_INFO, _COMPONENT); 407 ACPI_LV_INFO, _COMPONENT);
408 408
409 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n", 409 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
410 obj_desc->method.aml_start + 1, obj_desc->method.aml_length - 1)); 410 info->obj_desc->method.aml_start + 1, info->obj_desc->method.aml_length - 1));
411 411
412 /* 412 /*
413 * Unlock the namespace before execution. This allows namespace access 413 * Unlock the namespace before execution. This allows namespace access
@@ -430,7 +430,7 @@ acpi_ns_execute_control_method (
430 return_ACPI_STATUS (status); 430 return_ACPI_STATUS (status);
431 } 431 }
432 432
433 status = acpi_psx_execute (info); 433 status = acpi_ps_execute_method (info);
434 acpi_ex_exit_interpreter (); 434 acpi_ex_exit_interpreter ();
435 435
436 return_ACPI_STATUS (status); 436 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 34e497016601..1428a84a31e6 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -198,7 +198,7 @@ acpi_ns_load_table_by_type (
198 switch (table_type) { 198 switch (table_type) {
199 case ACPI_TABLE_DSDT: 199 case ACPI_TABLE_DSDT:
200 200
201 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n")); 201 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: DSDT\n"));
202 202
203 table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next; 203 table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
204 204
@@ -218,17 +218,18 @@ acpi_ns_load_table_by_type (
218 218
219 219
220 case ACPI_TABLE_SSDT: 220 case ACPI_TABLE_SSDT:
221 case ACPI_TABLE_PSDT:
221 222
222 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n", 223 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: %d SSDT or PSDTs\n",
223 acpi_gbl_table_lists[ACPI_TABLE_SSDT].count)); 224 acpi_gbl_table_lists[table_type].count));
224 225
225 /* 226 /*
226 * Traverse list of SSDT tables 227 * Traverse list of SSDT or PSDT tables
227 */ 228 */
228 table_desc = acpi_gbl_table_lists[ACPI_TABLE_SSDT].next; 229 table_desc = acpi_gbl_table_lists[table_type].next;
229 for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_SSDT].count; i++) { 230 for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) {
230 /* 231 /*
231 * Only attempt to load table if it is not 232 * Only attempt to load table into namespace if it is not
232 * already loaded! 233 * already loaded!
233 */ 234 */
234 if (!table_desc->loaded_into_namespace) { 235 if (!table_desc->loaded_into_namespace) {
@@ -245,33 +246,6 @@ acpi_ns_load_table_by_type (
245 break; 246 break;
246 247
247 248
248 case ACPI_TABLE_PSDT:
249
250 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
251 acpi_gbl_table_lists[ACPI_TABLE_PSDT].count));
252
253 /*
254 * Traverse list of PSDT tables
255 */
256 table_desc = acpi_gbl_table_lists[ACPI_TABLE_PSDT].next;
257
258 for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_PSDT].count; i++) {
259 /* Only attempt to load table if it is not already loaded! */
260
261 if (!table_desc->loaded_into_namespace) {
262 status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
263 if (ACPI_FAILURE (status)) {
264 break;
265 }
266
267 table_desc->loaded_into_namespace = TRUE;
268 }
269
270 table_desc = table_desc->next;
271 }
272 break;
273
274
275 default: 249 default:
276 status = AE_SUPPORT; 250 status = AE_SUPPORT;
277 break; 251 break;
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index a0e13e8d3764..24bed931d39d 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -67,7 +67,7 @@
67 67
68acpi_status 68acpi_status
69acpi_ns_one_complete_parse ( 69acpi_ns_one_complete_parse (
70 u32 pass_number, 70 u8 pass_number,
71 struct acpi_table_desc *table_desc) 71 struct acpi_table_desc *table_desc)
72{ 72{
73 union acpi_parse_object *parse_root; 73 union acpi_parse_object *parse_root;
@@ -87,7 +87,7 @@ acpi_ns_one_complete_parse (
87 87
88 /* Create and initialize a new walk state */ 88 /* Create and initialize a new walk state */
89 89
90 walk_state = acpi_ds_create_walk_state (table_desc->table_id, 90 walk_state = acpi_ds_create_walk_state (table_desc->owner_id,
91 NULL, NULL, NULL); 91 NULL, NULL, NULL);
92 if (!walk_state) { 92 if (!walk_state) {
93 acpi_ps_free_op (parse_root); 93 acpi_ps_free_op (parse_root);
@@ -146,6 +146,7 @@ acpi_ns_parse_table (
146 * to service the entire parse. The second pass of the parse then 146 * to service the entire parse. The second pass of the parse then
147 * performs another complete parse of the AML.. 147 * performs another complete parse of the AML..
148 */ 148 */
149 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n"));
149 status = acpi_ns_one_complete_parse (1, table_desc); 150 status = acpi_ns_one_complete_parse (1, table_desc);
150 if (ACPI_FAILURE (status)) { 151 if (ACPI_FAILURE (status)) {
151 return_ACPI_STATUS (status); 152 return_ACPI_STATUS (status);
@@ -160,6 +161,7 @@ acpi_ns_parse_table (
160 * overhead of this is compensated for by the fact that the 161 * overhead of this is compensated for by the fact that the
161 * parse objects are all cached. 162 * parse objects are all cached.
162 */ 163 */
164 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n"));
163 status = acpi_ns_one_complete_parse (2, table_desc); 165 status = acpi_ns_one_complete_parse (2, table_desc);
164 if (ACPI_FAILURE (status)) { 166 if (ACPI_FAILURE (status)) {
165 return_ACPI_STATUS (status); 167 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7289da3c4db6..f3a807c342c0 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -782,54 +782,6 @@ acpi_os_delete_lock (
782 return_VOID; 782 return_VOID;
783} 783}
784 784
785/*
786 * Acquire a spinlock.
787 *
788 * handle is a pointer to the spinlock_t.
789 * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
790 * that indicates whether we are at interrupt level.
791 */
792void
793acpi_os_acquire_lock (
794 acpi_handle handle,
795 u32 flags)
796{
797 ACPI_FUNCTION_TRACE ("os_acquire_lock");
798
799 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquiring spinlock[%p] from %s level\n", handle,
800 ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
801
802 if (flags & ACPI_NOT_ISR)
803 ACPI_DISABLE_IRQS();
804
805 spin_lock((spinlock_t *)handle);
806
807 return_VOID;
808}
809
810
811/*
812 * Release a spinlock. See above.
813 */
814void
815acpi_os_release_lock (
816 acpi_handle handle,
817 u32 flags)
818{
819 ACPI_FUNCTION_TRACE ("os_release_lock");
820
821 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Releasing spinlock[%p] from %s level\n", handle,
822 ((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
823
824 spin_unlock((spinlock_t *)handle);
825
826 if (flags & ACPI_NOT_ISR)
827 ACPI_ENABLE_IRQS();
828
829 return_VOID;
830}
831
832
833acpi_status 785acpi_status
834acpi_os_create_semaphore( 786acpi_os_create_semaphore(
835 u32 max_units, 787 u32 max_units,
@@ -1176,3 +1128,151 @@ unsigned int max_cstate = ACPI_PROCESSOR_MAX_POWER;
1176 1128
1177 1129
1178EXPORT_SYMBOL(max_cstate); 1130EXPORT_SYMBOL(max_cstate);
1131
1132/*
1133 * Acquire a spinlock.
1134 *
1135 * handle is a pointer to the spinlock_t.
1136 * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
1137 * that indicates whether we are at interrupt level.
1138 */
1139
1140unsigned long
1141acpi_os_acquire_lock (
1142 acpi_handle handle)
1143{
1144 unsigned long flags;
1145 spin_lock_irqsave((spinlock_t *)handle, flags);
1146 return flags;
1147}
1148
1149/*
1150 * Release a spinlock. See above.
1151 */
1152
1153void
1154acpi_os_release_lock (
1155 acpi_handle handle,
1156 unsigned long flags)
1157{
1158 spin_unlock_irqrestore((spinlock_t *)handle, flags);
1159}
1160
1161
1162#ifndef ACPI_USE_LOCAL_CACHE
1163
1164/*******************************************************************************
1165 *
1166 * FUNCTION: acpi_os_create_cache
1167 *
1168 * PARAMETERS: CacheName - Ascii name for the cache
1169 * ObjectSize - Size of each cached object
1170 * MaxDepth - Maximum depth of the cache (in objects)
1171 * ReturnCache - Where the new cache object is returned
1172 *
1173 * RETURN: Status
1174 *
1175 * DESCRIPTION: Create a cache object
1176 *
1177 ******************************************************************************/
1178
1179acpi_status
1180acpi_os_create_cache (
1181 char *name,
1182 u16 size,
1183 u16 depth,
1184 acpi_cache_t **cache)
1185{
1186 *cache = kmem_cache_create (name, size, 0, 0, NULL, NULL);
1187 return AE_OK;
1188}
1189
1190/*******************************************************************************
1191 *
1192 * FUNCTION: acpi_os_purge_cache
1193 *
1194 * PARAMETERS: Cache - Handle to cache object
1195 *
1196 * RETURN: Status
1197 *
1198 * DESCRIPTION: Free all objects within the requested cache.
1199 *
1200 ******************************************************************************/
1201
1202acpi_status
1203acpi_os_purge_cache (
1204 acpi_cache_t *cache)
1205{
1206 (void) kmem_cache_shrink(cache);
1207 return (AE_OK);
1208}
1209
1210/*******************************************************************************
1211 *
1212 * FUNCTION: acpi_os_delete_cache
1213 *
1214 * PARAMETERS: Cache - Handle to cache object
1215 *
1216 * RETURN: Status
1217 *
1218 * DESCRIPTION: Free all objects within the requested cache and delete the
1219 * cache object.
1220 *
1221 ******************************************************************************/
1222
1223acpi_status
1224acpi_os_delete_cache (
1225 acpi_cache_t *cache)
1226{
1227 (void)kmem_cache_destroy(cache);
1228 return (AE_OK);
1229}
1230
1231/*******************************************************************************
1232 *
1233 * FUNCTION: acpi_os_release_object
1234 *
1235 * PARAMETERS: Cache - Handle to cache object
1236 * Object - The object to be released
1237 *
1238 * RETURN: None
1239 *
1240 * DESCRIPTION: Release an object to the specified cache. If cache is full,
1241 * the object is deleted.
1242 *
1243 ******************************************************************************/
1244
1245acpi_status
1246acpi_os_release_object (
1247 acpi_cache_t *cache,
1248 void *object)
1249{
1250 kmem_cache_free(cache, object);
1251 return (AE_OK);
1252}
1253
1254/*******************************************************************************
1255 *
1256 * FUNCTION: acpi_os_acquire_object
1257 *
1258 * PARAMETERS: Cache - Handle to cache object
1259 * ReturnObject - Where the object is returned
1260 *
1261 * RETURN: Status
1262 *
1263 * DESCRIPTION: Get an object from the specified cache. If cache is empty,
1264 * the object is allocated.
1265 *
1266 ******************************************************************************/
1267
1268void *
1269acpi_os_acquire_object (
1270 acpi_cache_t *cache)
1271{
1272 void *object = kmem_cache_alloc(cache, GFP_KERNEL);
1273 WARN_ON(!object);
1274 return object;
1275}
1276
1277#endif
1278
diff --git a/drivers/acpi/parser/Makefile b/drivers/acpi/parser/Makefile
index bbdd286c660d..db24ee09cf11 100644
--- a/drivers/acpi/parser/Makefile
+++ b/drivers/acpi/parser/Makefile
@@ -2,7 +2,7 @@
2# Makefile for all Linux ACPI interpreter subdirectories 2# Makefile for all Linux ACPI interpreter subdirectories
3# 3#
4 4
5obj-y := psargs.o psparse.o pstree.o pswalk.o \ 5obj-y := psargs.o psparse.o psloop.o pstree.o pswalk.o \
6 psopcode.o psscope.o psutils.o psxface.o 6 psopcode.o psscope.o psutils.o psxface.o
7 7
8EXTRA_CFLAGS += $(ACPI_CFLAGS) 8EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
new file mode 100644
index 000000000000..551d54bdbec3
--- /dev/null
+++ b/drivers/acpi/parser/psloop.c
@@ -0,0 +1,781 @@
1/******************************************************************************
2 *
3 * Module Name: psloop - Main AML parse loop
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45/*
46 * Parse the AML and build an operation tree as most interpreters,
47 * like Perl, do. Parsing is done by hand rather than with a YACC
48 * generated parser to tightly constrain stack and dynamic memory
49 * usage. At the same time, parsing is kept flexible and the code
50 * fairly compact by parsing based on a list of AML opcode
51 * templates in aml_op_info[]
52 */
53
54#include <acpi/acpi.h>
55#include <acpi/acparser.h>
56#include <acpi/acdispat.h>
57#include <acpi/amlcode.h>
58
59#define _COMPONENT ACPI_PARSER
60 ACPI_MODULE_NAME ("psloop")
61
62static u32 acpi_gbl_depth = 0;
63
64
65/*******************************************************************************
66 *
67 * FUNCTION: acpi_ps_parse_loop
68 *
69 * PARAMETERS: walk_state - Current state
70 *
71 * RETURN: Status
72 *
73 * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
74 * a tree of ops.
75 *
76 ******************************************************************************/
77
78acpi_status
79acpi_ps_parse_loop (
80 struct acpi_walk_state *walk_state)
81{
82 acpi_status status = AE_OK;
83 acpi_status status2;
84 union acpi_parse_object *op = NULL; /* current op */
85 union acpi_parse_object *arg = NULL;
86 union acpi_parse_object *pre_op = NULL;
87 struct acpi_parse_state *parser_state;
88 u8 *aml_op_start = NULL;
89
90
91 ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
92
93 if (walk_state->descending_callback == NULL) {
94 return_ACPI_STATUS (AE_BAD_PARAMETER);
95 }
96
97 parser_state = &walk_state->parser_state;
98 walk_state->arg_types = 0;
99
100#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
101
102 if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
103 /* We are restarting a preempted control method */
104
105 if (acpi_ps_has_completed_scope (parser_state)) {
106 /*
107 * We must check if a predicate to an IF or WHILE statement
108 * was just completed
109 */
110 if ((parser_state->scope->parse_scope.op) &&
111 ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
112 (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
113 (walk_state->control_state) &&
114 (walk_state->control_state->common.state ==
115 ACPI_CONTROL_PREDICATE_EXECUTING)) {
116 /*
117 * A predicate was just completed, get the value of the
118 * predicate and branch based on that value
119 */
120 walk_state->op = NULL;
121 status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
122 if (ACPI_FAILURE (status) &&
123 ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
124 if (status == AE_AML_NO_RETURN_VALUE) {
125 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
126 "Invoked method did not return a value, %s\n",
127 acpi_format_exception (status)));
128
129 }
130 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
131 "get_predicate Failed, %s\n",
132 acpi_format_exception (status)));
133 return_ACPI_STATUS (status);
134 }
135
136 status = acpi_ps_next_parse_state (walk_state, op, status);
137 }
138
139 acpi_ps_pop_scope (parser_state, &op,
140 &walk_state->arg_types, &walk_state->arg_count);
141 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
142 }
143 else if (walk_state->prev_op) {
144 /* We were in the middle of an op */
145
146 op = walk_state->prev_op;
147 walk_state->arg_types = walk_state->prev_arg_types;
148 }
149 }
150#endif
151
152 /* Iterative parsing loop, while there is more AML to process: */
153
154 while ((parser_state->aml < parser_state->aml_end) || (op)) {
155 aml_op_start = parser_state->aml;
156 if (!op) {
157 /* Get the next opcode from the AML stream */
158
159 walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
160 parser_state->aml_start);
161 walk_state->opcode = acpi_ps_peek_opcode (parser_state);
162
163 /*
164 * First cut to determine what we have found:
165 * 1) A valid AML opcode
166 * 2) A name string
167 * 3) An unknown/invalid opcode
168 */
169 walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
170 switch (walk_state->op_info->class) {
171 case AML_CLASS_ASCII:
172 case AML_CLASS_PREFIX:
173 /*
174 * Starts with a valid prefix or ASCII char, this is a name
175 * string. Convert the bare name string to a namepath.
176 */
177 walk_state->opcode = AML_INT_NAMEPATH_OP;
178 walk_state->arg_types = ARGP_NAMESTRING;
179 break;
180
181 case AML_CLASS_UNKNOWN:
182
183 /* The opcode is unrecognized. Just skip unknown opcodes */
184
185 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
186 "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
187 walk_state->opcode, parser_state->aml, walk_state->aml_offset));
188
189 ACPI_DUMP_BUFFER (parser_state->aml, 128);
190
191 /* Assume one-byte bad opcode */
192
193 parser_state->aml++;
194 continue;
195
196 default:
197
198 /* Found opcode info, this is a normal opcode */
199
200 parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
201 walk_state->arg_types = walk_state->op_info->parse_args;
202 break;
203 }
204
205 /* Create Op structure and append to parent's argument list */
206
207 if (walk_state->op_info->flags & AML_NAMED) {
208 /* Allocate a new pre_op if necessary */
209
210 if (!pre_op) {
211 pre_op = acpi_ps_alloc_op (walk_state->opcode);
212 if (!pre_op) {
213 status = AE_NO_MEMORY;
214 goto close_this_op;
215 }
216 }
217
218 pre_op->common.value.arg = NULL;
219 pre_op->common.aml_opcode = walk_state->opcode;
220
221 /*
222 * Get and append arguments until we find the node that contains
223 * the name (the type ARGP_NAME).
224 */
225 while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
226 (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
227 status = acpi_ps_get_next_arg (walk_state, parser_state,
228 GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
229 if (ACPI_FAILURE (status)) {
230 goto close_this_op;
231 }
232
233 acpi_ps_append_arg (pre_op, arg);
234 INCREMENT_ARG_LIST (walk_state->arg_types);
235 }
236
237 /*
238 * Make sure that we found a NAME and didn't run out of
239 * arguments
240 */
241 if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
242 status = AE_AML_NO_OPERAND;
243 goto close_this_op;
244 }
245
246 /* We know that this arg is a name, move to next arg */
247
248 INCREMENT_ARG_LIST (walk_state->arg_types);
249
250 /*
251 * Find the object. This will either insert the object into
252 * the namespace or simply look it up
253 */
254 walk_state->op = NULL;
255
256 status = walk_state->descending_callback (walk_state, &op);
257 if (ACPI_FAILURE (status)) {
258 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
259 "During name lookup/catalog, %s\n",
260 acpi_format_exception (status)));
261 goto close_this_op;
262 }
263
264 if (!op) {
265 continue;
266 }
267
268 status = acpi_ps_next_parse_state (walk_state, op, status);
269 if (status == AE_CTRL_PENDING) {
270 status = AE_OK;
271 goto close_this_op;
272 }
273
274 if (ACPI_FAILURE (status)) {
275 goto close_this_op;
276 }
277
278 acpi_ps_append_arg (op, pre_op->common.value.arg);
279 acpi_gbl_depth++;
280
281 if (op->common.aml_opcode == AML_REGION_OP) {
282 /*
283 * Defer final parsing of an operation_region body,
284 * because we don't have enough info in the first pass
285 * to parse it correctly (i.e., there may be method
286 * calls within the term_arg elements of the body.)
287 *
288 * However, we must continue parsing because
289 * the opregion is not a standalone package --
290 * we don't know where the end is at this point.
291 *
292 * (Length is unknown until parse of the body complete)
293 */
294 op->named.data = aml_op_start;
295 op->named.length = 0;
296 }
297 }
298 else {
299 /* Not a named opcode, just allocate Op and append to parent */
300
301 walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
302 op = acpi_ps_alloc_op (walk_state->opcode);
303 if (!op) {
304 status = AE_NO_MEMORY;
305 goto close_this_op;
306 }
307
308 if (walk_state->op_info->flags & AML_CREATE) {
309 /*
310 * Backup to beginning of create_xXXfield declaration
311 * body_length is unknown until we parse the body
312 */
313 op->named.data = aml_op_start;
314 op->named.length = 0;
315 }
316
317 acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
318
319 if ((walk_state->descending_callback != NULL)) {
320 /*
321 * Find the object. This will either insert the object into
322 * the namespace or simply look it up
323 */
324 walk_state->op = op;
325
326 status = walk_state->descending_callback (walk_state, &op);
327 status = acpi_ps_next_parse_state (walk_state, op, status);
328 if (status == AE_CTRL_PENDING) {
329 status = AE_OK;
330 goto close_this_op;
331 }
332
333 if (ACPI_FAILURE (status)) {
334 goto close_this_op;
335 }
336 }
337 }
338
339 op->common.aml_offset = walk_state->aml_offset;
340
341 if (walk_state->op_info) {
342 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
343 "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
344 (u32) op->common.aml_opcode, walk_state->op_info->name,
345 op, parser_state->aml, op->common.aml_offset));
346 }
347 }
348
349
350 /*
351 * Start arg_count at zero because we don't know if there are
352 * any args yet
353 */
354 walk_state->arg_count = 0;
355
356 /* Are there any arguments that must be processed? */
357
358 if (walk_state->arg_types) {
359 /* Get arguments */
360
361 switch (op->common.aml_opcode) {
362 case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
363 case AML_WORD_OP: /* AML_WORDDATA_ARG */
364 case AML_DWORD_OP: /* AML_DWORDATA_ARG */
365 case AML_QWORD_OP: /* AML_QWORDATA_ARG */
366 case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */
367
368 /* Fill in constant or string argument directly */
369
370 acpi_ps_get_next_simple_arg (parser_state,
371 GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
372 break;
373
374 case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */
375
376 status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
377 if (ACPI_FAILURE (status)) {
378 goto close_this_op;
379 }
380
381 walk_state->arg_types = 0;
382 break;
383
384 default:
385 /*
386 * Op is not a constant or string, append each argument
387 * to the Op
388 */
389 while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
390 !walk_state->arg_count) {
391 walk_state->aml_offset = (u32)
392 ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
393
394 status = acpi_ps_get_next_arg (walk_state, parser_state,
395 GET_CURRENT_ARG_TYPE (walk_state->arg_types),
396 &arg);
397 if (ACPI_FAILURE (status)) {
398 goto close_this_op;
399 }
400
401 if (arg) {
402 arg->common.aml_offset = walk_state->aml_offset;
403 acpi_ps_append_arg (op, arg);
404 }
405 INCREMENT_ARG_LIST (walk_state->arg_types);
406 }
407
408
409 /* Special processing for certain opcodes */
410
411 /* TBD (remove): Temporary mechanism to disable this code if needed */
412
413#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
414
415 if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
416 ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
417 /*
418 * We want to skip If/Else/While constructs during Pass1
419 * because we want to actually conditionally execute the
420 * code during Pass2.
421 *
422 * Except for disassembly, where we always want to
423 * walk the If/Else/While packages
424 */
425 switch (op->common.aml_opcode) {
426 case AML_IF_OP:
427 case AML_ELSE_OP:
428 case AML_WHILE_OP:
429
430 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
431 "Pass1: Skipping an If/Else/While body\n"));
432
433 /* Skip body of if/else/while in pass 1 */
434
435 parser_state->aml = parser_state->pkg_end;
436 walk_state->arg_count = 0;
437 break;
438
439 default:
440 break;
441 }
442 }
443#endif
444 switch (op->common.aml_opcode) {
445 case AML_METHOD_OP:
446
447 /*
448 * Skip parsing of control method
449 * because we don't have enough info in the first pass
450 * to parse it correctly.
451 *
452 * Save the length and address of the body
453 */
454 op->named.data = parser_state->aml;
455 op->named.length = (u32) (parser_state->pkg_end -
456 parser_state->aml);
457
458 /* Skip body of method */
459
460 parser_state->aml = parser_state->pkg_end;
461 walk_state->arg_count = 0;
462 break;
463
464 case AML_BUFFER_OP:
465 case AML_PACKAGE_OP:
466 case AML_VAR_PACKAGE_OP:
467
468 if ((op->common.parent) &&
469 (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
470 (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
471 /*
472 * Skip parsing of Buffers and Packages
473 * because we don't have enough info in the first pass
474 * to parse them correctly.
475 */
476 op->named.data = aml_op_start;
477 op->named.length = (u32) (parser_state->pkg_end -
478 aml_op_start);
479
480 /* Skip body */
481
482 parser_state->aml = parser_state->pkg_end;
483 walk_state->arg_count = 0;
484 }
485 break;
486
487 case AML_WHILE_OP:
488
489 if (walk_state->control_state) {
490 walk_state->control_state->control.package_end =
491 parser_state->pkg_end;
492 }
493 break;
494
495 default:
496
497 /* No action for all other opcodes */
498 break;
499 }
500 break;
501 }
502 }
503
504 /* Check for arguments that need to be processed */
505
506 if (walk_state->arg_count) {
507 /*
508 * There are arguments (complex ones), push Op and
509 * prepare for argument
510 */
511 status = acpi_ps_push_scope (parser_state, op,
512 walk_state->arg_types, walk_state->arg_count);
513 if (ACPI_FAILURE (status)) {
514 goto close_this_op;
515 }
516 op = NULL;
517 continue;
518 }
519
520 /*
521 * All arguments have been processed -- Op is complete,
522 * prepare for next
523 */
524 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
525 if (walk_state->op_info->flags & AML_NAMED) {
526 if (acpi_gbl_depth) {
527 acpi_gbl_depth--;
528 }
529
530 if (op->common.aml_opcode == AML_REGION_OP) {
531 /*
532 * Skip parsing of control method or opregion body,
533 * because we don't have enough info in the first pass
534 * to parse them correctly.
535 *
536 * Completed parsing an op_region declaration, we now
537 * know the length.
538 */
539 op->named.length = (u32) (parser_state->aml - op->named.data);
540 }
541 }
542
543 if (walk_state->op_info->flags & AML_CREATE) {
544 /*
545 * Backup to beginning of create_xXXfield declaration (1 for
546 * Opcode)
547 *
548 * body_length is unknown until we parse the body
549 */
550 op->named.length = (u32) (parser_state->aml - op->named.data);
551 }
552
553 /* This op complete, notify the dispatcher */
554
555 if (walk_state->ascending_callback != NULL) {
556 walk_state->op = op;
557 walk_state->opcode = op->common.aml_opcode;
558
559 status = walk_state->ascending_callback (walk_state);
560 status = acpi_ps_next_parse_state (walk_state, op, status);
561 if (status == AE_CTRL_PENDING) {
562 status = AE_OK;
563 goto close_this_op;
564 }
565 }
566
567
568close_this_op:
569 /*
570 * Finished one argument of the containing scope
571 */
572 parser_state->scope->parse_scope.arg_count--;
573
574 /* Finished with pre_op */
575
576 if (pre_op) {
577 acpi_ps_free_op (pre_op);
578 pre_op = NULL;
579 }
580
581 /* Close this Op (will result in parse subtree deletion) */
582
583 status2 = acpi_ps_complete_this_op (walk_state, op);
584 if (ACPI_FAILURE (status2)) {
585 return_ACPI_STATUS (status2);
586 }
587 op = NULL;
588
589 switch (status) {
590 case AE_OK:
591 break;
592
593
594 case AE_CTRL_TRANSFER:
595
596 /* We are about to transfer to a called method. */
597
598 walk_state->prev_op = op;
599 walk_state->prev_arg_types = walk_state->arg_types;
600 return_ACPI_STATUS (status);
601
602
603 case AE_CTRL_END:
604
605 acpi_ps_pop_scope (parser_state, &op,
606 &walk_state->arg_types, &walk_state->arg_count);
607
608 if (op) {
609 walk_state->op = op;
610 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
611 walk_state->opcode = op->common.aml_opcode;
612
613 status = walk_state->ascending_callback (walk_state);
614 status = acpi_ps_next_parse_state (walk_state, op, status);
615
616 status2 = acpi_ps_complete_this_op (walk_state, op);
617 if (ACPI_FAILURE (status2)) {
618 return_ACPI_STATUS (status2);
619 }
620 op = NULL;
621 }
622 status = AE_OK;
623 break;
624
625
626 case AE_CTRL_BREAK:
627 case AE_CTRL_CONTINUE:
628
629 /* Pop off scopes until we find the While */
630
631 while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
632 acpi_ps_pop_scope (parser_state, &op,
633 &walk_state->arg_types, &walk_state->arg_count);
634 }
635
636 /* Close this iteration of the While loop */
637
638 walk_state->op = op;
639 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
640 walk_state->opcode = op->common.aml_opcode;
641
642 status = walk_state->ascending_callback (walk_state);
643 status = acpi_ps_next_parse_state (walk_state, op, status);
644
645 status2 = acpi_ps_complete_this_op (walk_state, op);
646 if (ACPI_FAILURE (status2)) {
647 return_ACPI_STATUS (status2);
648 }
649 op = NULL;
650
651 status = AE_OK;
652 break;
653
654
655 case AE_CTRL_TERMINATE:
656
657 status = AE_OK;
658
659 /* Clean up */
660 do {
661 if (op) {
662 status2 = acpi_ps_complete_this_op (walk_state, op);
663 if (ACPI_FAILURE (status2)) {
664 return_ACPI_STATUS (status2);
665 }
666 }
667 acpi_ps_pop_scope (parser_state, &op,
668 &walk_state->arg_types, &walk_state->arg_count);
669
670 } while (op);
671
672 return_ACPI_STATUS (status);
673
674
675 default: /* All other non-AE_OK status */
676
677 do {
678 if (op) {
679 status2 = acpi_ps_complete_this_op (walk_state, op);
680 if (ACPI_FAILURE (status2)) {
681 return_ACPI_STATUS (status2);
682 }
683 }
684 acpi_ps_pop_scope (parser_state, &op,
685 &walk_state->arg_types, &walk_state->arg_count);
686
687 } while (op);
688
689
690 /*
691 * TBD: Cleanup parse ops on error
692 */
693#if 0
694 if (op == NULL) {
695 acpi_ps_pop_scope (parser_state, &op,
696 &walk_state->arg_types, &walk_state->arg_count);
697 }
698#endif
699 walk_state->prev_op = op;
700 walk_state->prev_arg_types = walk_state->arg_types;
701 return_ACPI_STATUS (status);
702 }
703
704 /* This scope complete? */
705
706 if (acpi_ps_has_completed_scope (parser_state)) {
707 acpi_ps_pop_scope (parser_state, &op,
708 &walk_state->arg_types, &walk_state->arg_count);
709 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
710 }
711 else {
712 op = NULL;
713 }
714
715 } /* while parser_state->Aml */
716
717
718 /*
719 * Complete the last Op (if not completed), and clear the scope stack.
720 * It is easily possible to end an AML "package" with an unbounded number
721 * of open scopes (such as when several ASL blocks are closed with
722 * sequential closing braces). We want to terminate each one cleanly.
723 */
724 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
725 do {
726 if (op) {
727 if (walk_state->ascending_callback != NULL) {
728 walk_state->op = op;
729 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
730 walk_state->opcode = op->common.aml_opcode;
731
732 status = walk_state->ascending_callback (walk_state);
733 status = acpi_ps_next_parse_state (walk_state, op, status);
734 if (status == AE_CTRL_PENDING) {
735 status = AE_OK;
736 goto close_this_op;
737 }
738
739 if (status == AE_CTRL_TERMINATE) {
740 status = AE_OK;
741
742 /* Clean up */
743 do {
744 if (op) {
745 status2 = acpi_ps_complete_this_op (walk_state, op);
746 if (ACPI_FAILURE (status2)) {
747 return_ACPI_STATUS (status2);
748 }
749 }
750
751 acpi_ps_pop_scope (parser_state, &op,
752 &walk_state->arg_types, &walk_state->arg_count);
753
754 } while (op);
755
756 return_ACPI_STATUS (status);
757 }
758
759 else if (ACPI_FAILURE (status)) {
760 /* First error is most important */
761
762 (void) acpi_ps_complete_this_op (walk_state, op);
763 return_ACPI_STATUS (status);
764 }
765 }
766
767 status2 = acpi_ps_complete_this_op (walk_state, op);
768 if (ACPI_FAILURE (status2)) {
769 return_ACPI_STATUS (status2);
770 }
771 }
772
773 acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
774 &walk_state->arg_count);
775
776 } while (op);
777
778 return_ACPI_STATUS (status);
779}
780
781
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 5744673568c0..6f7594a516d2 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -311,7 +311,7 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] =
311/* ACPI 2.0 opcodes */ 311/* ACPI 2.0 opcodes */
312 312
313/* 6E */ ACPI_OP ("QwordConst", ARGP_QWORD_OP, ARGI_QWORD_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT), 313/* 6E */ ACPI_OP ("QwordConst", ARGP_QWORD_OP, ARGI_QWORD_OP, ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT, AML_TYPE_LITERAL, AML_CONSTANT),
314/* 6F */ ACPI_OP ("Package /*Var*/", ARGP_VAR_PACKAGE_OP, ARGI_VAR_PACKAGE_OP, ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER), 314/* 6F */ ACPI_OP ("Package", /* Var */ ARGP_VAR_PACKAGE_OP, ARGI_VAR_PACKAGE_OP, ACPI_TYPE_PACKAGE, AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT, AML_HAS_ARGS | AML_DEFER),
315/* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP, ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), 315/* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP, ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
316/* 71 */ ACPI_OP ("Mod", ARGP_MOD_OP, ARGI_MOD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT), 316/* 71 */ ACPI_OP ("Mod", ARGP_MOD_OP, ARGI_MOD_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R, AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
317/* 72 */ ACPI_OP ("CreateQWordField", ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE), 317/* 72 */ ACPI_OP ("CreateQWordField", ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD, AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
@@ -428,33 +428,23 @@ acpi_ps_get_opcode_info (
428 /* 428 /*
429 * Detect normal 8-bit opcode or extended 16-bit opcode 429 * Detect normal 8-bit opcode or extended 16-bit opcode
430 */ 430 */
431 switch ((u8) (opcode >> 8)) { 431 if (!(opcode & 0xFF00)) {
432 case 0:
433
434 /* Simple (8-bit) opcode: 0-255, can't index beyond table */ 432 /* Simple (8-bit) opcode: 0-255, can't index beyond table */
435 433
436 return (&acpi_gbl_aml_op_info [acpi_gbl_short_op_index [(u8) opcode]]); 434 return (&acpi_gbl_aml_op_info [acpi_gbl_short_op_index [(u8) opcode]]);
435 }
437 436
438 case AML_EXTOP: 437 if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
439 438 (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
440 /* Extended (16-bit, prefix+opcode) opcode */ 439 /* Valid extended (16-bit) opcode */
441
442 if (((u8) opcode) <= MAX_EXTENDED_OPCODE) {
443 return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
444 }
445
446 /* Else fall through to error case below */
447 /*lint -fallthrough */
448
449 default:
450 440
451 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 441 return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
452 "Unknown AML opcode [%4.4X]\n", opcode));
453 break;
454 } 442 }
455 443
444 /* Unknown AML opcode */
456 445
457 /* Default is "unknown opcode" */ 446 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
447 "Unknown AML opcode [%4.4X]\n", opcode));
458 448
459 return (&acpi_gbl_aml_op_info [_UNK]); 449 return (&acpi_gbl_aml_op_info [_UNK]);
460} 450}
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index bbfdc1a58c27..16b84a3d0436 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -62,26 +62,6 @@
62 ACPI_MODULE_NAME ("psparse") 62 ACPI_MODULE_NAME ("psparse")
63 63
64 64
65static u32 acpi_gbl_depth = 0;
66
67/* Local prototypes */
68
69static void
70acpi_ps_complete_this_op (
71 struct acpi_walk_state *walk_state,
72 union acpi_parse_object *op);
73
74static acpi_status
75acpi_ps_next_parse_state (
76 struct acpi_walk_state *walk_state,
77 union acpi_parse_object *op,
78 acpi_status callback_status);
79
80static acpi_status
81acpi_ps_parse_loop (
82 struct acpi_walk_state *walk_state);
83
84
85/******************************************************************************* 65/*******************************************************************************
86 * 66 *
87 * FUNCTION: acpi_ps_get_opcode_size 67 * FUNCTION: acpi_ps_get_opcode_size
@@ -134,8 +114,8 @@ acpi_ps_peek_opcode (
134 aml = parser_state->aml; 114 aml = parser_state->aml;
135 opcode = (u16) ACPI_GET8 (aml); 115 opcode = (u16) ACPI_GET8 (aml);
136 116
137 if (opcode == AML_EXTOP) { 117 if (opcode == AML_EXTENDED_OP_PREFIX) {
138 /* Extended opcode */ 118 /* Extended opcode, get the second opcode byte */
139 119
140 aml++; 120 aml++;
141 opcode = (u16) ((opcode << 8) | ACPI_GET8 (aml)); 121 opcode = (u16) ((opcode << 8) | ACPI_GET8 (aml));
@@ -152,13 +132,13 @@ acpi_ps_peek_opcode (
152 * PARAMETERS: walk_state - Current State 132 * PARAMETERS: walk_state - Current State
153 * Op - Op to complete 133 * Op - Op to complete
154 * 134 *
155 * RETURN: None. 135 * RETURN: Status
156 * 136 *
157 * DESCRIPTION: Perform any cleanup at the completion of an Op. 137 * DESCRIPTION: Perform any cleanup at the completion of an Op.
158 * 138 *
159 ******************************************************************************/ 139 ******************************************************************************/
160 140
161static void 141acpi_status
162acpi_ps_complete_this_op ( 142acpi_ps_complete_this_op (
163 struct acpi_walk_state *walk_state, 143 struct acpi_walk_state *walk_state,
164 union acpi_parse_object *op) 144 union acpi_parse_object *op)
@@ -175,19 +155,26 @@ acpi_ps_complete_this_op (
175 /* Check for null Op, can happen if AML code is corrupt */ 155 /* Check for null Op, can happen if AML code is corrupt */
176 156
177 if (!op) { 157 if (!op) {
178 return_VOID; 158 return_ACPI_STATUS (AE_OK); /* OK for now */
179 } 159 }
180 160
181 /* Delete this op and the subtree below it if asked to */ 161 /* Delete this op and the subtree below it if asked to */
182 162
183 if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) != ACPI_PARSE_DELETE_TREE) || 163 if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) != ACPI_PARSE_DELETE_TREE) ||
184 (walk_state->op_info->class == AML_CLASS_ARGUMENT)) { 164 (walk_state->op_info->class == AML_CLASS_ARGUMENT)) {
185 return_VOID; 165 return_ACPI_STATUS (AE_OK);
186 } 166 }
187 167
188 /* Make sure that we only delete this subtree */ 168 /* Make sure that we only delete this subtree */
189 169
190 if (op->common.parent) { 170 if (op->common.parent) {
171 prev = op->common.parent->common.value.arg;
172 if (!prev) {
173 /* Nothing more to do */
174
175 goto cleanup;
176 }
177
191 /* 178 /*
192 * Check if we need to replace the operator and its subtree 179 * Check if we need to replace the operator and its subtree
193 * with a return value op (placeholder op) 180 * with a return value op (placeholder op)
@@ -206,7 +193,7 @@ acpi_ps_complete_this_op (
206 */ 193 */
207 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP); 194 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
208 if (!replacement_op) { 195 if (!replacement_op) {
209 goto cleanup; 196 goto allocate_error;
210 } 197 }
211 break; 198 break;
212 199
@@ -223,18 +210,17 @@ acpi_ps_complete_this_op (
223 (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) { 210 (op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
224 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP); 211 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
225 if (!replacement_op) { 212 if (!replacement_op) {
226 goto cleanup; 213 goto allocate_error;
227 } 214 }
228 } 215 }
229 216 else if ((op->common.parent->common.aml_opcode == AML_NAME_OP) &&
230 if ((op->common.parent->common.aml_opcode == AML_NAME_OP) && 217 (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
231 (walk_state->descending_callback != acpi_ds_exec_begin_op)) {
232 if ((op->common.aml_opcode == AML_BUFFER_OP) || 218 if ((op->common.aml_opcode == AML_BUFFER_OP) ||
233 (op->common.aml_opcode == AML_PACKAGE_OP) || 219 (op->common.aml_opcode == AML_PACKAGE_OP) ||
234 (op->common.aml_opcode == AML_VAR_PACKAGE_OP)) { 220 (op->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
235 replacement_op = acpi_ps_alloc_op (op->common.aml_opcode); 221 replacement_op = acpi_ps_alloc_op (op->common.aml_opcode);
236 if (!replacement_op) { 222 if (!replacement_op) {
237 goto cleanup; 223 goto allocate_error;
238 } 224 }
239 225
240 replacement_op->named.data = op->named.data; 226 replacement_op->named.data = op->named.data;
@@ -244,15 +230,15 @@ acpi_ps_complete_this_op (
244 break; 230 break;
245 231
246 default: 232 default:
233
247 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP); 234 replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
248 if (!replacement_op) { 235 if (!replacement_op) {
249 goto cleanup; 236 goto allocate_error;
250 } 237 }
251 } 238 }
252 239
253 /* We must unlink this op from the parent tree */ 240 /* We must unlink this op from the parent tree */
254 241
255 prev = op->common.parent->common.value.arg;
256 if (prev == op) { 242 if (prev == op) {
257 /* This op is the first in the list */ 243 /* This op is the first in the list */
258 244
@@ -298,7 +284,15 @@ cleanup:
298 /* Now we can actually delete the subtree rooted at Op */ 284 /* Now we can actually delete the subtree rooted at Op */
299 285
300 acpi_ps_delete_parse_tree (op); 286 acpi_ps_delete_parse_tree (op);
301 return_VOID; 287 return_ACPI_STATUS (AE_OK);
288
289
290allocate_error:
291
292 /* Always delete the subtree, even on error */
293
294 acpi_ps_delete_parse_tree (op);
295 return_ACPI_STATUS (AE_NO_MEMORY);
302} 296}
303 297
304 298
@@ -317,7 +311,7 @@ cleanup:
317 * 311 *
318 ******************************************************************************/ 312 ******************************************************************************/
319 313
320static acpi_status 314acpi_status
321acpi_ps_next_parse_state ( 315acpi_ps_next_parse_state (
322 struct acpi_walk_state *walk_state, 316 struct acpi_walk_state *walk_state,
323 union acpi_parse_object *op, 317 union acpi_parse_object *op,
@@ -427,663 +421,6 @@ acpi_ps_next_parse_state (
427 421
428/******************************************************************************* 422/*******************************************************************************
429 * 423 *
430 * FUNCTION: acpi_ps_parse_loop
431 *
432 * PARAMETERS: walk_state - Current state
433 *
434 * RETURN: Status
435 *
436 * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
437 * a tree of ops.
438 *
439 ******************************************************************************/
440
441static acpi_status
442acpi_ps_parse_loop (
443 struct acpi_walk_state *walk_state)
444{
445 acpi_status status = AE_OK;
446 union acpi_parse_object *op = NULL; /* current op */
447 union acpi_parse_object *arg = NULL;
448 union acpi_parse_object *pre_op = NULL;
449 struct acpi_parse_state *parser_state;
450 u8 *aml_op_start = NULL;
451
452
453 ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
454
455 if (walk_state->descending_callback == NULL) {
456 return_ACPI_STATUS (AE_BAD_PARAMETER);
457 }
458
459 parser_state = &walk_state->parser_state;
460 walk_state->arg_types = 0;
461
462#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
463
464 if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
465 /* We are restarting a preempted control method */
466
467 if (acpi_ps_has_completed_scope (parser_state)) {
468 /*
469 * We must check if a predicate to an IF or WHILE statement
470 * was just completed
471 */
472 if ((parser_state->scope->parse_scope.op) &&
473 ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
474 (parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
475 (walk_state->control_state) &&
476 (walk_state->control_state->common.state ==
477 ACPI_CONTROL_PREDICATE_EXECUTING)) {
478 /*
479 * A predicate was just completed, get the value of the
480 * predicate and branch based on that value
481 */
482 walk_state->op = NULL;
483 status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
484 if (ACPI_FAILURE (status) &&
485 ((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
486 if (status == AE_AML_NO_RETURN_VALUE) {
487 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
488 "Invoked method did not return a value, %s\n",
489 acpi_format_exception (status)));
490
491 }
492 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
493 "get_predicate Failed, %s\n",
494 acpi_format_exception (status)));
495 return_ACPI_STATUS (status);
496 }
497
498 status = acpi_ps_next_parse_state (walk_state, op, status);
499 }
500
501 acpi_ps_pop_scope (parser_state, &op,
502 &walk_state->arg_types, &walk_state->arg_count);
503 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
504 }
505 else if (walk_state->prev_op) {
506 /* We were in the middle of an op */
507
508 op = walk_state->prev_op;
509 walk_state->arg_types = walk_state->prev_arg_types;
510 }
511 }
512#endif
513
514 /* Iterative parsing loop, while there is more AML to process: */
515
516 while ((parser_state->aml < parser_state->aml_end) || (op)) {
517 aml_op_start = parser_state->aml;
518 if (!op) {
519 /* Get the next opcode from the AML stream */
520
521 walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
522 parser_state->aml_start);
523 walk_state->opcode = acpi_ps_peek_opcode (parser_state);
524
525 /*
526 * First cut to determine what we have found:
527 * 1) A valid AML opcode
528 * 2) A name string
529 * 3) An unknown/invalid opcode
530 */
531 walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
532 switch (walk_state->op_info->class) {
533 case AML_CLASS_ASCII:
534 case AML_CLASS_PREFIX:
535 /*
536 * Starts with a valid prefix or ASCII char, this is a name
537 * string. Convert the bare name string to a namepath.
538 */
539 walk_state->opcode = AML_INT_NAMEPATH_OP;
540 walk_state->arg_types = ARGP_NAMESTRING;
541 break;
542
543 case AML_CLASS_UNKNOWN:
544
545 /* The opcode is unrecognized. Just skip unknown opcodes */
546
547 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
548 "Found unknown opcode %X at AML address %p offset %X, ignoring\n",
549 walk_state->opcode, parser_state->aml, walk_state->aml_offset));
550
551 ACPI_DUMP_BUFFER (parser_state->aml, 128);
552
553 /* Assume one-byte bad opcode */
554
555 parser_state->aml++;
556 continue;
557
558 default:
559
560 /* Found opcode info, this is a normal opcode */
561
562 parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
563 walk_state->arg_types = walk_state->op_info->parse_args;
564 break;
565 }
566
567 /* Create Op structure and append to parent's argument list */
568
569 if (walk_state->op_info->flags & AML_NAMED) {
570 /* Allocate a new pre_op if necessary */
571
572 if (!pre_op) {
573 pre_op = acpi_ps_alloc_op (walk_state->opcode);
574 if (!pre_op) {
575 status = AE_NO_MEMORY;
576 goto close_this_op;
577 }
578 }
579
580 pre_op->common.value.arg = NULL;
581 pre_op->common.aml_opcode = walk_state->opcode;
582
583 /*
584 * Get and append arguments until we find the node that contains
585 * the name (the type ARGP_NAME).
586 */
587 while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
588 (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
589 status = acpi_ps_get_next_arg (walk_state, parser_state,
590 GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
591 if (ACPI_FAILURE (status)) {
592 goto close_this_op;
593 }
594
595 acpi_ps_append_arg (pre_op, arg);
596 INCREMENT_ARG_LIST (walk_state->arg_types);
597 }
598
599 /*
600 * Make sure that we found a NAME and didn't run out of
601 * arguments
602 */
603 if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
604 status = AE_AML_NO_OPERAND;
605 goto close_this_op;
606 }
607
608 /* We know that this arg is a name, move to next arg */
609
610 INCREMENT_ARG_LIST (walk_state->arg_types);
611
612 /*
613 * Find the object. This will either insert the object into
614 * the namespace or simply look it up
615 */
616 walk_state->op = NULL;
617
618 status = walk_state->descending_callback (walk_state, &op);
619 if (ACPI_FAILURE (status)) {
620 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
621 "During name lookup/catalog, %s\n",
622 acpi_format_exception (status)));
623 goto close_this_op;
624 }
625
626 if (!op) {
627 continue;
628 }
629
630 status = acpi_ps_next_parse_state (walk_state, op, status);
631 if (status == AE_CTRL_PENDING) {
632 status = AE_OK;
633 goto close_this_op;
634 }
635
636 if (ACPI_FAILURE (status)) {
637 goto close_this_op;
638 }
639
640 acpi_ps_append_arg (op, pre_op->common.value.arg);
641 acpi_gbl_depth++;
642
643 if (op->common.aml_opcode == AML_REGION_OP) {
644 /*
645 * Defer final parsing of an operation_region body,
646 * because we don't have enough info in the first pass
647 * to parse it correctly (i.e., there may be method
648 * calls within the term_arg elements of the body.)
649 *
650 * However, we must continue parsing because
651 * the opregion is not a standalone package --
652 * we don't know where the end is at this point.
653 *
654 * (Length is unknown until parse of the body complete)
655 */
656 op->named.data = aml_op_start;
657 op->named.length = 0;
658 }
659 }
660 else {
661 /* Not a named opcode, just allocate Op and append to parent */
662
663 walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
664 op = acpi_ps_alloc_op (walk_state->opcode);
665 if (!op) {
666 status = AE_NO_MEMORY;
667 goto close_this_op;
668 }
669
670 if (walk_state->op_info->flags & AML_CREATE) {
671 /*
672 * Backup to beginning of create_xXXfield declaration
673 * body_length is unknown until we parse the body
674 */
675 op->named.data = aml_op_start;
676 op->named.length = 0;
677 }
678
679 acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
680
681 if ((walk_state->descending_callback != NULL)) {
682 /*
683 * Find the object. This will either insert the object into
684 * the namespace or simply look it up
685 */
686 walk_state->op = op;
687
688 status = walk_state->descending_callback (walk_state, &op);
689 status = acpi_ps_next_parse_state (walk_state, op, status);
690 if (status == AE_CTRL_PENDING) {
691 status = AE_OK;
692 goto close_this_op;
693 }
694
695 if (ACPI_FAILURE (status)) {
696 goto close_this_op;
697 }
698 }
699 }
700
701 op->common.aml_offset = walk_state->aml_offset;
702
703 if (walk_state->op_info) {
704 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
705 "Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
706 (u32) op->common.aml_opcode, walk_state->op_info->name,
707 op, parser_state->aml, op->common.aml_offset));
708 }
709 }
710
711
712 /*
713 * Start arg_count at zero because we don't know if there are
714 * any args yet
715 */
716 walk_state->arg_count = 0;
717
718 /* Are there any arguments that must be processed? */
719
720 if (walk_state->arg_types) {
721 /* Get arguments */
722
723 switch (op->common.aml_opcode) {
724 case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
725 case AML_WORD_OP: /* AML_WORDDATA_ARG */
726 case AML_DWORD_OP: /* AML_DWORDATA_ARG */
727 case AML_QWORD_OP: /* AML_QWORDATA_ARG */
728 case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */
729
730 /* Fill in constant or string argument directly */
731
732 acpi_ps_get_next_simple_arg (parser_state,
733 GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
734 break;
735
736 case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */
737
738 status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
739 if (ACPI_FAILURE (status)) {
740 goto close_this_op;
741 }
742
743 walk_state->arg_types = 0;
744 break;
745
746 default:
747
748 /*
749 * Op is not a constant or string, append each argument
750 * to the Op
751 */
752 while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
753 !walk_state->arg_count) {
754 walk_state->aml_offset = (u32)
755 ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
756
757 status = acpi_ps_get_next_arg (walk_state, parser_state,
758 GET_CURRENT_ARG_TYPE (walk_state->arg_types),
759 &arg);
760 if (ACPI_FAILURE (status)) {
761 goto close_this_op;
762 }
763
764 if (arg) {
765 arg->common.aml_offset = walk_state->aml_offset;
766 acpi_ps_append_arg (op, arg);
767 }
768 INCREMENT_ARG_LIST (walk_state->arg_types);
769 }
770
771 /* Special processing for certain opcodes */
772
773 switch (op->common.aml_opcode) {
774 case AML_METHOD_OP:
775
776 /*
777 * Skip parsing of control method
778 * because we don't have enough info in the first pass
779 * to parse it correctly.
780 *
781 * Save the length and address of the body
782 */
783 op->named.data = parser_state->aml;
784 op->named.length = (u32) (parser_state->pkg_end -
785 parser_state->aml);
786
787 /* Skip body of method */
788
789 parser_state->aml = parser_state->pkg_end;
790 walk_state->arg_count = 0;
791 break;
792
793 case AML_BUFFER_OP:
794 case AML_PACKAGE_OP:
795 case AML_VAR_PACKAGE_OP:
796
797 if ((op->common.parent) &&
798 (op->common.parent->common.aml_opcode == AML_NAME_OP) &&
799 (walk_state->descending_callback != acpi_ds_exec_begin_op)) {
800 /*
801 * Skip parsing of Buffers and Packages
802 * because we don't have enough info in the first pass
803 * to parse them correctly.
804 */
805 op->named.data = aml_op_start;
806 op->named.length = (u32) (parser_state->pkg_end -
807 aml_op_start);
808
809 /* Skip body */
810
811 parser_state->aml = parser_state->pkg_end;
812 walk_state->arg_count = 0;
813 }
814 break;
815
816 case AML_WHILE_OP:
817
818 if (walk_state->control_state) {
819 walk_state->control_state->control.package_end =
820 parser_state->pkg_end;
821 }
822 break;
823
824 default:
825
826 /* No action for all other opcodes */
827 break;
828 }
829 break;
830 }
831 }
832
833 /* Check for arguments that need to be processed */
834
835 if (walk_state->arg_count) {
836 /*
837 * There are arguments (complex ones), push Op and
838 * prepare for argument
839 */
840 status = acpi_ps_push_scope (parser_state, op,
841 walk_state->arg_types, walk_state->arg_count);
842 if (ACPI_FAILURE (status)) {
843 goto close_this_op;
844 }
845 op = NULL;
846 continue;
847 }
848
849 /*
850 * All arguments have been processed -- Op is complete,
851 * prepare for next
852 */
853 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
854 if (walk_state->op_info->flags & AML_NAMED) {
855 if (acpi_gbl_depth) {
856 acpi_gbl_depth--;
857 }
858
859 if (op->common.aml_opcode == AML_REGION_OP) {
860 /*
861 * Skip parsing of control method or opregion body,
862 * because we don't have enough info in the first pass
863 * to parse them correctly.
864 *
865 * Completed parsing an op_region declaration, we now
866 * know the length.
867 */
868 op->named.length = (u32) (parser_state->aml - op->named.data);
869 }
870 }
871
872 if (walk_state->op_info->flags & AML_CREATE) {
873 /*
874 * Backup to beginning of create_xXXfield declaration (1 for
875 * Opcode)
876 *
877 * body_length is unknown until we parse the body
878 */
879 op->named.length = (u32) (parser_state->aml - op->named.data);
880 }
881
882 /* This op complete, notify the dispatcher */
883
884 if (walk_state->ascending_callback != NULL) {
885 walk_state->op = op;
886 walk_state->opcode = op->common.aml_opcode;
887
888 status = walk_state->ascending_callback (walk_state);
889 status = acpi_ps_next_parse_state (walk_state, op, status);
890 if (status == AE_CTRL_PENDING) {
891 status = AE_OK;
892 goto close_this_op;
893 }
894 }
895
896
897close_this_op:
898 /*
899 * Finished one argument of the containing scope
900 */
901 parser_state->scope->parse_scope.arg_count--;
902
903 /* Close this Op (will result in parse subtree deletion) */
904
905 acpi_ps_complete_this_op (walk_state, op);
906 op = NULL;
907 if (pre_op) {
908 acpi_ps_free_op (pre_op);
909 pre_op = NULL;
910 }
911
912 switch (status) {
913 case AE_OK:
914 break;
915
916
917 case AE_CTRL_TRANSFER:
918
919 /* We are about to transfer to a called method. */
920
921 walk_state->prev_op = op;
922 walk_state->prev_arg_types = walk_state->arg_types;
923 return_ACPI_STATUS (status);
924
925
926 case AE_CTRL_END:
927
928 acpi_ps_pop_scope (parser_state, &op,
929 &walk_state->arg_types, &walk_state->arg_count);
930
931 if (op) {
932 walk_state->op = op;
933 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
934 walk_state->opcode = op->common.aml_opcode;
935
936 status = walk_state->ascending_callback (walk_state);
937 status = acpi_ps_next_parse_state (walk_state, op, status);
938
939 acpi_ps_complete_this_op (walk_state, op);
940 op = NULL;
941 }
942 status = AE_OK;
943 break;
944
945
946 case AE_CTRL_BREAK:
947 case AE_CTRL_CONTINUE:
948
949 /* Pop off scopes until we find the While */
950
951 while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
952 acpi_ps_pop_scope (parser_state, &op,
953 &walk_state->arg_types, &walk_state->arg_count);
954 }
955
956 /* Close this iteration of the While loop */
957
958 walk_state->op = op;
959 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
960 walk_state->opcode = op->common.aml_opcode;
961
962 status = walk_state->ascending_callback (walk_state);
963 status = acpi_ps_next_parse_state (walk_state, op, status);
964
965 acpi_ps_complete_this_op (walk_state, op);
966 op = NULL;
967
968 status = AE_OK;
969 break;
970
971
972 case AE_CTRL_TERMINATE:
973
974 status = AE_OK;
975
976 /* Clean up */
977 do {
978 if (op) {
979 acpi_ps_complete_this_op (walk_state, op);
980 }
981 acpi_ps_pop_scope (parser_state, &op,
982 &walk_state->arg_types, &walk_state->arg_count);
983
984 } while (op);
985
986 return_ACPI_STATUS (status);
987
988
989 default: /* All other non-AE_OK status */
990
991 do {
992 if (op) {
993 acpi_ps_complete_this_op (walk_state, op);
994 }
995 acpi_ps_pop_scope (parser_state, &op,
996 &walk_state->arg_types, &walk_state->arg_count);
997
998 } while (op);
999
1000
1001 /*
1002 * TBD: Cleanup parse ops on error
1003 */
1004#if 0
1005 if (op == NULL) {
1006 acpi_ps_pop_scope (parser_state, &op,
1007 &walk_state->arg_types, &walk_state->arg_count);
1008 }
1009#endif
1010 walk_state->prev_op = op;
1011 walk_state->prev_arg_types = walk_state->arg_types;
1012 return_ACPI_STATUS (status);
1013 }
1014
1015 /* This scope complete? */
1016
1017 if (acpi_ps_has_completed_scope (parser_state)) {
1018 acpi_ps_pop_scope (parser_state, &op,
1019 &walk_state->arg_types, &walk_state->arg_count);
1020 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
1021 }
1022 else {
1023 op = NULL;
1024 }
1025
1026 } /* while parser_state->Aml */
1027
1028
1029 /*
1030 * Complete the last Op (if not completed), and clear the scope stack.
1031 * It is easily possible to end an AML "package" with an unbounded number
1032 * of open scopes (such as when several ASL blocks are closed with
1033 * sequential closing braces). We want to terminate each one cleanly.
1034 */
1035 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
1036 do {
1037 if (op) {
1038 if (walk_state->ascending_callback != NULL) {
1039 walk_state->op = op;
1040 walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
1041 walk_state->opcode = op->common.aml_opcode;
1042
1043 status = walk_state->ascending_callback (walk_state);
1044 status = acpi_ps_next_parse_state (walk_state, op, status);
1045 if (status == AE_CTRL_PENDING) {
1046 status = AE_OK;
1047 goto close_this_op;
1048 }
1049
1050 if (status == AE_CTRL_TERMINATE) {
1051 status = AE_OK;
1052
1053 /* Clean up */
1054 do {
1055 if (op) {
1056 acpi_ps_complete_this_op (walk_state, op);
1057 }
1058
1059 acpi_ps_pop_scope (parser_state, &op,
1060 &walk_state->arg_types, &walk_state->arg_count);
1061
1062 } while (op);
1063
1064 return_ACPI_STATUS (status);
1065 }
1066
1067 else if (ACPI_FAILURE (status)) {
1068 acpi_ps_complete_this_op (walk_state, op);
1069 return_ACPI_STATUS (status);
1070 }
1071 }
1072
1073 acpi_ps_complete_this_op (walk_state, op);
1074 }
1075
1076 acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
1077 &walk_state->arg_count);
1078
1079 } while (op);
1080
1081 return_ACPI_STATUS (status);
1082}
1083
1084
1085/*******************************************************************************
1086 *
1087 * FUNCTION: acpi_ps_parse_aml 424 * FUNCTION: acpi_ps_parse_aml
1088 * 425 *
1089 * PARAMETERS: walk_state - Current state 426 * PARAMETERS: walk_state - Current state
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index a10f88715d43..4221b41ae1a6 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -154,12 +154,14 @@ acpi_ps_alloc_op (
154 if (flags == ACPI_PARSEOP_GENERIC) { 154 if (flags == ACPI_PARSEOP_GENERIC) {
155 /* The generic op (default) is by far the most common (16 to 1) */ 155 /* The generic op (default) is by far the most common (16 to 1) */
156 156
157 op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE); 157 op = acpi_os_acquire_object (acpi_gbl_ps_node_cache);
158 memset(op, 0, sizeof(struct acpi_parse_obj_common));
158 } 159 }
159 else { 160 else {
160 /* Extended parseop */ 161 /* Extended parseop */
161 162
162 op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE_EXT); 163 op = acpi_os_acquire_object (acpi_gbl_ps_node_ext_cache);
164 memset(op, 0, sizeof(struct acpi_parse_obj_named));
163 } 165 }
164 166
165 /* Initialize the Op */ 167 /* Initialize the Op */
@@ -198,41 +200,14 @@ acpi_ps_free_op (
198 } 200 }
199 201
200 if (op->common.flags & ACPI_PARSEOP_GENERIC) { 202 if (op->common.flags & ACPI_PARSEOP_GENERIC) {
201 acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE, op); 203 (void) acpi_os_release_object (acpi_gbl_ps_node_cache, op);
202 } 204 }
203 else { 205 else {
204 acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE_EXT, op); 206 (void) acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op);
205 } 207 }
206} 208}
207 209
208 210
209#ifdef ACPI_ENABLE_OBJECT_CACHE
210/*******************************************************************************
211 *
212 * FUNCTION: acpi_ps_delete_parse_cache
213 *
214 * PARAMETERS: None
215 *
216 * RETURN: None
217 *
218 * DESCRIPTION: Free all objects that are on the parse cache list.
219 *
220 ******************************************************************************/
221
222void
223acpi_ps_delete_parse_cache (
224 void)
225{
226 ACPI_FUNCTION_TRACE ("ps_delete_parse_cache");
227
228
229 acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE);
230 acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE_EXT);
231 return_VOID;
232}
233#endif
234
235
236/******************************************************************************* 211/*******************************************************************************
237 * 212 *
238 * FUNCTION: Utility functions 213 * FUNCTION: Utility functions
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index dba893648e84..d1541fabaf0a 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -46,19 +46,30 @@
46#include <acpi/acparser.h> 46#include <acpi/acparser.h>
47#include <acpi/acdispat.h> 47#include <acpi/acdispat.h>
48#include <acpi/acinterp.h> 48#include <acpi/acinterp.h>
49#include <acpi/acnamesp.h>
50 49
51 50
52#define _COMPONENT ACPI_PARSER 51#define _COMPONENT ACPI_PARSER
53 ACPI_MODULE_NAME ("psxface") 52 ACPI_MODULE_NAME ("psxface")
54 53
54/* Local Prototypes */
55
56static acpi_status
57acpi_ps_execute_pass (
58 struct acpi_parameter_info *info);
59
60static void
61acpi_ps_update_parameter_list (
62 struct acpi_parameter_info *info,
63 u16 action);
64
55 65
56/******************************************************************************* 66/*******************************************************************************
57 * 67 *
58 * FUNCTION: acpi_psx_execute 68 * FUNCTION: acpi_ps_execute_method
59 * 69 *
60 * PARAMETERS: Info - Method info block, contains: 70 * PARAMETERS: Info - Method info block, contains:
61 * Node - Method Node to execute 71 * Node - Method Node to execute
72 * obj_desc - Method object
62 * Parameters - List of parameters to pass to the method, 73 * Parameters - List of parameters to pass to the method,
63 * terminated by NULL. Params itself may be 74 * terminated by NULL. Params itself may be
64 * NULL if no parameters are being passed. 75 * NULL if no parameters are being passed.
@@ -67,6 +78,7 @@
67 * parameter_type - Type of Parameter list 78 * parameter_type - Type of Parameter list
68 * return_object - Where to put method's return value (if 79 * return_object - Where to put method's return value (if
69 * any). If NULL, no value is returned. 80 * any). If NULL, no value is returned.
81 * pass_number - Parse or execute pass
70 * 82 *
71 * RETURN: Status 83 * RETURN: Status
72 * 84 *
@@ -75,171 +87,194 @@
75 ******************************************************************************/ 87 ******************************************************************************/
76 88
77acpi_status 89acpi_status
78acpi_psx_execute ( 90acpi_ps_execute_method (
79 struct acpi_parameter_info *info) 91 struct acpi_parameter_info *info)
80{ 92{
81 acpi_status status; 93 acpi_status status;
82 union acpi_operand_object *obj_desc;
83 u32 i;
84 union acpi_parse_object *op;
85 struct acpi_walk_state *walk_state;
86 94
87 95
88 ACPI_FUNCTION_TRACE ("psx_execute"); 96 ACPI_FUNCTION_TRACE ("ps_execute_method");
89 97
90 98
91 /* Validate the Node and get the attached object */ 99 /* Validate the Info and method Node */
92 100
93 if (!info || !info->node) { 101 if (!info || !info->node) {
94 return_ACPI_STATUS (AE_NULL_ENTRY); 102 return_ACPI_STATUS (AE_NULL_ENTRY);
95 } 103 }
96 104
97 obj_desc = acpi_ns_get_attached_object (info->node);
98 if (!obj_desc) {
99 return_ACPI_STATUS (AE_NULL_OBJECT);
100 }
101
102 /* Init for new method, wait on concurrency semaphore */ 105 /* Init for new method, wait on concurrency semaphore */
103 106
104 status = acpi_ds_begin_method_execution (info->node, obj_desc, NULL); 107 status = acpi_ds_begin_method_execution (info->node, info->obj_desc, NULL);
105 if (ACPI_FAILURE (status)) { 108 if (ACPI_FAILURE (status)) {
106 return_ACPI_STATUS (status); 109 return_ACPI_STATUS (status);
107 } 110 }
108 111
109 if ((info->parameter_type == ACPI_PARAM_ARGS) &&
110 (info->parameters)) {
111 /*
112 * The caller "owns" the parameters, so give each one an extra
113 * reference
114 */
115 for (i = 0; info->parameters[i]; i++) {
116 acpi_ut_add_reference (info->parameters[i]);
117 }
118 }
119
120 /*
121 * 1) Perform the first pass parse of the method to enter any
122 * named objects that it creates into the namespace
123 */
124 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
125 "**** Begin Method Parse **** Entry=%p obj=%p\n",
126 info->node, obj_desc));
127
128 /* Create and init a Root Node */
129
130 op = acpi_ps_create_scope_op ();
131 if (!op) {
132 status = AE_NO_MEMORY;
133 goto cleanup1;
134 }
135
136 /* 112 /*
137 * Get a new owner_id for objects created by this method. Namespace 113 * Get a new owner_id for objects created by this method. Namespace
138 * objects (such as Operation Regions) can be created during the 114 * objects (such as Operation Regions) can be created during the
139 * first pass parse. 115 * first pass parse.
140 */ 116 */
141 obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD); 117 status = acpi_ut_allocate_owner_id (&info->obj_desc->method.owner_id);
142
143 /* Create and initialize a new walk state */
144
145 walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
146 NULL, NULL, NULL);
147 if (!walk_state) {
148 status = AE_NO_MEMORY;
149 goto cleanup2;
150 }
151
152 status = acpi_ds_init_aml_walk (walk_state, op, info->node,
153 obj_desc->method.aml_start,
154 obj_desc->method.aml_length, NULL, 1);
155 if (ACPI_FAILURE (status)) { 118 if (ACPI_FAILURE (status)) {
156 goto cleanup3; 119 return_ACPI_STATUS (status);
157 } 120 }
158 121
159 /* Parse the AML */ 122 /*
123 * The caller "owns" the parameters, so give each one an extra
124 * reference
125 */
126 acpi_ps_update_parameter_list (info, REF_INCREMENT);
160 127
161 status = acpi_ps_parse_aml (walk_state); 128 /*
162 acpi_ps_delete_parse_tree (op); 129 * 1) Perform the first pass parse of the method to enter any
130 * named objects that it creates into the namespace
131 */
132 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
133 "**** Begin Method Parse **** Entry=%p obj=%p\n",
134 info->node, info->obj_desc));
135
136 info->pass_number = 1;
137 status = acpi_ps_execute_pass (info);
163 if (ACPI_FAILURE (status)) { 138 if (ACPI_FAILURE (status)) {
164 goto cleanup1; /* Walk state is already deleted */ 139 goto cleanup;
165 } 140 }
166 141
167 /* 142 /*
168 * 2) Execute the method. Performs second pass parse simultaneously 143 * 2) Execute the method. Performs second pass parse simultaneously
169 */ 144 */
170 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, 145 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
171 "**** Begin Method Execution **** Entry=%p obj=%p\n", 146 "**** Begin Method Execution **** Entry=%p obj=%p\n",
172 info->node, obj_desc)); 147 info->node, info->obj_desc));
173 148
174 /* Create and init a Root Node */ 149 info->pass_number = 3;
150 status = acpi_ps_execute_pass (info);
175 151
176 op = acpi_ps_create_scope_op (); 152
177 if (!op) { 153cleanup:
178 status = AE_NO_MEMORY; 154 if (info->obj_desc->method.owner_id) {
179 goto cleanup1; 155 acpi_ut_release_owner_id (&info->obj_desc->method.owner_id);
180 } 156 }
181 157
182 /* Init new op with the method name and pointer back to the NS node */ 158 /* Take away the extra reference that we gave the parameters above */
183 159
184 acpi_ps_set_name (op, info->node->name.integer); 160 acpi_ps_update_parameter_list (info, REF_DECREMENT);
185 op->common.node = info->node;
186 161
187 /* Create and initialize a new walk state */ 162 /* Exit now if error above */
188 163
189 walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL); 164 if (ACPI_FAILURE (status)) {
190 if (!walk_state) { 165 return_ACPI_STATUS (status);
191 status = AE_NO_MEMORY;
192 goto cleanup2;
193 } 166 }
194 167
195 status = acpi_ds_init_aml_walk (walk_state, op, info->node, 168 /*
196 obj_desc->method.aml_start, 169 * If the method has returned an object, signal this to the caller with
197 obj_desc->method.aml_length, info, 3); 170 * a control exception code
198 if (ACPI_FAILURE (status)) { 171 */
199 goto cleanup3; 172 if (info->return_object) {
173 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
174 info->return_object));
175 ACPI_DUMP_STACK_ENTRY (info->return_object);
176
177 status = AE_CTRL_RETURN_VALUE;
200 } 178 }
201 179
202 /* The walk of the parse tree is where we actually execute the method */ 180 return_ACPI_STATUS (status);
181}
203 182
204 status = acpi_ps_parse_aml (walk_state);
205 goto cleanup2; /* Walk state already deleted */
206 183
184/*******************************************************************************
185 *
186 * FUNCTION: acpi_ps_update_parameter_list
187 *
188 * PARAMETERS: Info - See struct acpi_parameter_info
189 * (Used: parameter_type and Parameters)
190 * Action - Add or Remove reference
191 *
192 * RETURN: Status
193 *
194 * DESCRIPTION: Update reference count on all method parameter objects
195 *
196 ******************************************************************************/
207 197
208cleanup3: 198static void
209 acpi_ds_delete_walk_state (walk_state); 199acpi_ps_update_parameter_list (
200 struct acpi_parameter_info *info,
201 u16 action)
202{
203 acpi_native_uint i;
210 204
211cleanup2:
212 acpi_ps_delete_parse_tree (op);
213 205
214cleanup1:
215 if ((info->parameter_type == ACPI_PARAM_ARGS) && 206 if ((info->parameter_type == ACPI_PARAM_ARGS) &&
216 (info->parameters)) { 207 (info->parameters)) {
217 /* Take away the extra reference that we gave the parameters above */ 208 /* Update reference count for each parameter */
218 209
219 for (i = 0; info->parameters[i]; i++) { 210 for (i = 0; info->parameters[i]; i++) {
220 /* Ignore errors, just do them all */ 211 /* Ignore errors, just do them all */
221 212
222 (void) acpi_ut_update_object_reference ( 213 (void) acpi_ut_update_object_reference (info->parameters[i], action);
223 info->parameters[i], REF_DECREMENT);
224 } 214 }
225 } 215 }
216}
226 217
227 if (ACPI_FAILURE (status)) { 218
228 return_ACPI_STATUS (status); 219/*******************************************************************************
220 *
221 * FUNCTION: acpi_ps_execute_pass
222 *
223 * PARAMETERS: Info - See struct acpi_parameter_info
224 * (Used: pass_number, Node, and obj_desc)
225 *
226 * RETURN: Status
227 *
228 * DESCRIPTION: Single AML pass: Parse or Execute a control method
229 *
230 ******************************************************************************/
231
232static acpi_status
233acpi_ps_execute_pass (
234 struct acpi_parameter_info *info)
235{
236 acpi_status status;
237 union acpi_parse_object *op;
238 struct acpi_walk_state *walk_state;
239
240
241 ACPI_FUNCTION_TRACE ("ps_execute_pass");
242
243
244 /* Create and init a Root Node */
245
246 op = acpi_ps_create_scope_op ();
247 if (!op) {
248 return_ACPI_STATUS (AE_NO_MEMORY);
229 } 249 }
230 250
231 /* 251 /* Create and initialize a new walk state */
232 * If the method has returned an object, signal this to the caller with
233 * a control exception code
234 */
235 if (info->return_object) {
236 ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
237 info->return_object));
238 ACPI_DUMP_STACK_ENTRY (info->return_object);
239 252
240 status = AE_CTRL_RETURN_VALUE; 253 walk_state = acpi_ds_create_walk_state (
254 info->obj_desc->method.owner_id, NULL, NULL, NULL);
255 if (!walk_state) {
256 status = AE_NO_MEMORY;
257 goto cleanup;
258 }
259
260 status = acpi_ds_init_aml_walk (walk_state, op, info->node,
261 info->obj_desc->method.aml_start,
262 info->obj_desc->method.aml_length,
263 info->pass_number == 1 ? NULL : info,
264 info->pass_number);
265 if (ACPI_FAILURE (status)) {
266 acpi_ds_delete_walk_state (walk_state);
267 goto cleanup;
241 } 268 }
242 269
270 /* Parse the AML */
271
272 status = acpi_ps_parse_aml (walk_state);
273
274 /* Walk state was deleted by parse_aml */
275
276cleanup:
277 acpi_ps_delete_parse_tree (op);
243 return_ACPI_STATUS (status); 278 return_ACPI_STATUS (status);
244} 279}
245 280
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index 1935dab2ab51..2c3bb8c35741 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -48,6 +48,9 @@
48#define _COMPONENT ACPI_RESOURCES 48#define _COMPONENT ACPI_RESOURCES
49 ACPI_MODULE_NAME ("rsdump") 49 ACPI_MODULE_NAME ("rsdump")
50 50
51
52#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
53
51/* Local prototypes */ 54/* Local prototypes */
52 55
53static void 56static void
@@ -103,7 +106,6 @@ acpi_rs_dump_vendor_specific (
103 union acpi_resource_data *data); 106 union acpi_resource_data *data);
104 107
105 108
106#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
107/******************************************************************************* 109/*******************************************************************************
108 * 110 *
109 * FUNCTION: acpi_rs_dump_irq 111 * FUNCTION: acpi_rs_dump_irq
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 92e0c31539be..d4ff71f5fe5d 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -97,7 +97,9 @@ acpi_tb_get_table_count (
97 ACPI_FUNCTION_ENTRY (); 97 ACPI_FUNCTION_ENTRY ();
98 98
99 99
100 if (RSDP->revision < 2) { 100 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
101
102 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
101 pointer_size = sizeof (u32); 103 pointer_size = sizeof (u32);
102 } 104 }
103 else { 105 else {
@@ -158,7 +160,9 @@ acpi_tb_convert_to_xsdt (
158 /* Copy the table pointers */ 160 /* Copy the table pointers */
159 161
160 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { 162 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
161 if (acpi_gbl_RSDP->revision < 2) { 163 /* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
164
165 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
162 ACPI_STORE_ADDRESS (new_table->table_offset_entry[i], 166 ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
163 (ACPI_CAST_PTR (struct rsdt_descriptor_rev1, 167 (ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
164 table_info->pointer))->table_offset_entry[i]); 168 table_info->pointer))->table_offset_entry[i]);
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 629b64c8193d..698799901f55 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -124,9 +124,7 @@ acpi_tb_match_signature (
124 * 124 *
125 * RETURN: Status 125 * RETURN: Status
126 * 126 *
127 * DESCRIPTION: Load and validate all tables other than the RSDT. The RSDT must 127 * DESCRIPTION: Install the table into the global data structures.
128 * already be loaded and validated.
129 * Install the table into the global data structs.
130 * 128 *
131 ******************************************************************************/ 129 ******************************************************************************/
132 130
@@ -136,6 +134,7 @@ acpi_tb_install_table (
136{ 134{
137 acpi_status status; 135 acpi_status status;
138 136
137
139 ACPI_FUNCTION_TRACE ("tb_install_table"); 138 ACPI_FUNCTION_TRACE ("tb_install_table");
140 139
141 140
@@ -143,22 +142,33 @@ acpi_tb_install_table (
143 142
144 status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES); 143 status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
145 if (ACPI_FAILURE (status)) { 144 if (ACPI_FAILURE (status)) {
146 ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n", 145 ACPI_REPORT_ERROR (("Could not acquire table mutex, %s\n",
147 table_info->pointer->signature, acpi_format_exception (status))); 146 acpi_format_exception (status)));
148 return_ACPI_STATUS (status); 147 return_ACPI_STATUS (status);
149 } 148 }
150 149
150 /*
151 * Ignore a table that is already installed. For example, some BIOS
152 * ASL code will repeatedly attempt to load the same SSDT.
153 */
154 status = acpi_tb_is_table_installed (table_info);
155 if (ACPI_FAILURE (status)) {
156 goto unlock_and_exit;
157 }
158
151 /* Install the table into the global data structure */ 159 /* Install the table into the global data structure */
152 160
153 status = acpi_tb_init_table_descriptor (table_info->type, table_info); 161 status = acpi_tb_init_table_descriptor (table_info->type, table_info);
154 if (ACPI_FAILURE (status)) { 162 if (ACPI_FAILURE (status)) {
155 ACPI_REPORT_ERROR (("Could not install ACPI table [%4.4s], %s\n", 163 ACPI_REPORT_ERROR (("Could not install table [%4.4s], %s\n",
156 table_info->pointer->signature, acpi_format_exception (status))); 164 table_info->pointer->signature, acpi_format_exception (status)));
157 } 165 }
158 166
159 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n", 167 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
160 acpi_gbl_table_data[table_info->type].name, table_info->pointer)); 168 acpi_gbl_table_data[table_info->type].name, table_info->pointer));
161 169
170
171unlock_and_exit:
162 (void) acpi_ut_release_mutex (ACPI_MTX_TABLES); 172 (void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
163 return_ACPI_STATUS (status); 173 return_ACPI_STATUS (status);
164} 174}
@@ -251,6 +261,7 @@ acpi_tb_init_table_descriptor (
251{ 261{
252 struct acpi_table_list *list_head; 262 struct acpi_table_list *list_head;
253 struct acpi_table_desc *table_desc; 263 struct acpi_table_desc *table_desc;
264 acpi_status status;
254 265
255 266
256 ACPI_FUNCTION_TRACE_U32 ("tb_init_table_descriptor", table_type); 267 ACPI_FUNCTION_TRACE_U32 ("tb_init_table_descriptor", table_type);
@@ -263,6 +274,13 @@ acpi_tb_init_table_descriptor (
263 return_ACPI_STATUS (AE_NO_MEMORY); 274 return_ACPI_STATUS (AE_NO_MEMORY);
264 } 275 }
265 276
277 /* Get a new owner ID for the table */
278
279 status = acpi_ut_allocate_owner_id (&table_desc->owner_id);
280 if (ACPI_FAILURE (status)) {
281 return_ACPI_STATUS (status);
282 }
283
266 /* Install the table into the global data structure */ 284 /* Install the table into the global data structure */
267 285
268 list_head = &acpi_gbl_table_lists[table_type]; 286 list_head = &acpi_gbl_table_lists[table_type];
@@ -325,8 +343,6 @@ acpi_tb_init_table_descriptor (
325 table_desc->aml_start = (u8 *) (table_desc->pointer + 1), 343 table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
326 table_desc->aml_length = (u32) (table_desc->length - 344 table_desc->aml_length = (u32) (table_desc->length -
327 (u32) sizeof (struct acpi_table_header)); 345 (u32) sizeof (struct acpi_table_header));
328 table_desc->table_id = acpi_ut_allocate_owner_id (
329 ACPI_OWNER_TYPE_TABLE);
330 table_desc->loaded_into_namespace = FALSE; 346 table_desc->loaded_into_namespace = FALSE;
331 347
332 /* 348 /*
@@ -339,7 +355,7 @@ acpi_tb_init_table_descriptor (
339 355
340 /* Return Data */ 356 /* Return Data */
341 357
342 table_info->table_id = table_desc->table_id; 358 table_info->owner_id = table_desc->owner_id;
343 table_info->installed_desc = table_desc; 359 table_info->installed_desc = table_desc;
344 360
345 return_ACPI_STATUS (AE_OK); 361 return_ACPI_STATUS (AE_OK);
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index b7ffe39c3626..069d498465d0 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -96,32 +96,13 @@ acpi_tb_verify_rsdp (
96 return_ACPI_STATUS (AE_BAD_PARAMETER); 96 return_ACPI_STATUS (AE_BAD_PARAMETER);
97 } 97 }
98 98
99 /* 99 /* Verify RSDP signature and checksum */
100 * The signature and checksum must both be correct
101 */
102 if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
103 /* Nope, BAD Signature */
104
105 status = AE_BAD_SIGNATURE;
106 goto cleanup;
107 }
108
109 /* Check the standard checksum */
110 100
111 if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) { 101 status = acpi_tb_validate_rsdp (rsdp);
112 status = AE_BAD_CHECKSUM; 102 if (ACPI_FAILURE (status)) {
113 goto cleanup; 103 goto cleanup;
114 } 104 }
115 105
116 /* Check extended checksum if table version >= 2 */
117
118 if (rsdp->revision >= 2) {
119 if (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0) {
120 status = AE_BAD_CHECKSUM;
121 goto cleanup;
122 }
123 }
124
125 /* The RSDP supplied is OK */ 106 /* The RSDP supplied is OK */
126 107
127 table_info.pointer = ACPI_CAST_PTR (struct acpi_table_header, rsdp); 108 table_info.pointer = ACPI_CAST_PTR (struct acpi_table_header, rsdp);
@@ -159,8 +140,8 @@ cleanup:
159 * 140 *
160 * RETURN: None, Address 141 * RETURN: None, Address
161 * 142 *
162 * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the 143 * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the
163 * version of the RSDP 144 * version of the RSDP and whether the XSDT pointer is valid
164 * 145 *
165 ******************************************************************************/ 146 ******************************************************************************/
166 147
@@ -174,16 +155,19 @@ acpi_tb_get_rsdt_address (
174 155
175 out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING; 156 out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
176 157
177 /* 158 /* Use XSDT if it is present */
178 * For RSDP revision 0 or 1, we use the RSDT. 159
179 * For RSDP revision 2 (and above), we use the XSDT 160 if ((acpi_gbl_RSDP->revision >= 2) &&
180 */ 161 acpi_gbl_RSDP->xsdt_physical_address) {
181 if (acpi_gbl_RSDP->revision < 2) {
182 out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
183 }
184 else {
185 out_address->pointer.value = 162 out_address->pointer.value =
186 acpi_gbl_RSDP->xsdt_physical_address; 163 acpi_gbl_RSDP->xsdt_physical_address;
164 acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT;
165 }
166 else {
167 /* No XSDT, use the RSDT */
168
169 out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
170 acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT;
187 } 171 }
188} 172}
189 173
@@ -211,10 +195,9 @@ acpi_tb_validate_rsdt (
211 195
212 196
213 /* 197 /*
214 * For RSDP revision 0 or 1, we use the RSDT. 198 * Search for appropriate signature, RSDT or XSDT
215 * For RSDP revision 2 and above, we use the XSDT
216 */ 199 */
217 if (acpi_gbl_RSDP->revision < 2) { 200 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
218 no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG, 201 no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG,
219 sizeof (RSDT_SIG) -1); 202 sizeof (RSDT_SIG) -1);
220 } 203 }
@@ -236,11 +219,11 @@ acpi_tb_validate_rsdt (
236 acpi_gbl_RSDP->rsdt_physical_address, 219 acpi_gbl_RSDP->rsdt_physical_address,
237 (void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address)); 220 (void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address));
238 221
239 if (acpi_gbl_RSDP->revision < 2) { 222 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
240 ACPI_REPORT_ERROR (("Looking for RSDT (RSDP->Rev < 2)\n")) 223 ACPI_REPORT_ERROR (("Looking for RSDT\n"))
241 } 224 }
242 else { 225 else {
243 ACPI_REPORT_ERROR (("Looking for XSDT (RSDP->Rev >= 2)\n")) 226 ACPI_REPORT_ERROR (("Looking for XSDT\n"))
244 } 227 }
245 228
246 ACPI_DUMP_BUFFER ((char *) table_ptr, 48); 229 ACPI_DUMP_BUFFER ((char *) table_ptr, 48);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e69d01d443d2..6fc1e36e6042 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -61,6 +61,67 @@ acpi_tb_handle_to_object (
61 61
62/******************************************************************************* 62/*******************************************************************************
63 * 63 *
64 * FUNCTION: acpi_tb_is_table_installed
65 *
66 * PARAMETERS: new_table_desc - Descriptor for new table being installed
67 *
68 * RETURN: Status - AE_ALREADY_EXISTS if the table is already installed
69 *
70 * DESCRIPTION: Determine if an ACPI table is already installed
71 *
72 * MUTEX: Table data structures should be locked
73 *
74 ******************************************************************************/
75
76acpi_status
77acpi_tb_is_table_installed (
78 struct acpi_table_desc *new_table_desc)
79{
80 struct acpi_table_desc *table_desc;
81
82
83 ACPI_FUNCTION_TRACE ("tb_is_table_installed");
84
85
86 /* Get the list descriptor and first table descriptor */
87
88 table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
89
90 /* Examine all installed tables of this type */
91
92 while (table_desc) {
93 /* Compare Revision and oem_table_id */
94
95 if ((table_desc->loaded_into_namespace) &&
96 (table_desc->pointer->revision ==
97 new_table_desc->pointer->revision) &&
98 (!ACPI_MEMCMP (table_desc->pointer->oem_table_id,
99 new_table_desc->pointer->oem_table_id, 8))) {
100 /* This table is already installed */
101
102 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
103 "Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
104 new_table_desc->pointer->signature,
105 new_table_desc->pointer->revision,
106 new_table_desc->pointer->oem_table_id));
107
108 new_table_desc->owner_id = table_desc->owner_id;
109 new_table_desc->installed_desc = table_desc;
110
111 return_ACPI_STATUS (AE_ALREADY_EXISTS);
112 }
113
114 /* Get next table on the list */
115
116 table_desc = table_desc->next;
117 }
118
119 return_ACPI_STATUS (AE_OK);
120}
121
122
123/*******************************************************************************
124 *
64 * FUNCTION: acpi_tb_validate_table_header 125 * FUNCTION: acpi_tb_validate_table_header
65 * 126 *
66 * PARAMETERS: table_header - Logical pointer to the table 127 * PARAMETERS: table_header - Logical pointer to the table
@@ -157,7 +218,7 @@ acpi_tb_verify_table_checksum (
157 218
158 /* Compute the checksum on the table */ 219 /* Compute the checksum on the table */
159 220
160 checksum = acpi_tb_checksum (table_header, table_header->length); 221 checksum = acpi_tb_generate_checksum (table_header, table_header->length);
161 222
162 /* Return the appropriate exception */ 223 /* Return the appropriate exception */
163 224
@@ -175,7 +236,7 @@ acpi_tb_verify_table_checksum (
175 236
176/******************************************************************************* 237/*******************************************************************************
177 * 238 *
178 * FUNCTION: acpi_tb_checksum 239 * FUNCTION: acpi_tb_generate_checksum
179 * 240 *
180 * PARAMETERS: Buffer - Buffer to checksum 241 * PARAMETERS: Buffer - Buffer to checksum
181 * Length - Size of the buffer 242 * Length - Size of the buffer
@@ -187,7 +248,7 @@ acpi_tb_verify_table_checksum (
187 ******************************************************************************/ 248 ******************************************************************************/
188 249
189u8 250u8
190acpi_tb_checksum ( 251acpi_tb_generate_checksum (
191 void *buffer, 252 void *buffer,
192 u32 length) 253 u32 length)
193{ 254{
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 0c0b9085dbeb..e18a05d1b9b3 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -182,10 +182,23 @@ acpi_load_table (
182 return_ACPI_STATUS (status); 182 return_ACPI_STATUS (status);
183 } 183 }
184 184
185 /* Check signature for a valid table type */
186
187 status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL);
188 if (ACPI_FAILURE (status)) {
189 return_ACPI_STATUS (status);
190 }
191
185 /* Install the new table into the local data structures */ 192 /* Install the new table into the local data structures */
186 193
187 status = acpi_tb_install_table (&table_info); 194 status = acpi_tb_install_table (&table_info);
188 if (ACPI_FAILURE (status)) { 195 if (ACPI_FAILURE (status)) {
196 if (status == AE_ALREADY_EXISTS) {
197 /* Table already exists, no error */
198
199 status = AE_OK;
200 }
201
189 /* Free table allocated by acpi_tb_get_table_body */ 202 /* Free table allocated by acpi_tb_get_table_body */
190 203
191 acpi_tb_delete_single_table (&table_info); 204 acpi_tb_delete_single_table (&table_info);
@@ -260,8 +273,8 @@ acpi_unload_table (
260 * "Scope" operator. Thus, we need to track ownership by an ID, not 273 * "Scope" operator. Thus, we need to track ownership by an ID, not
261 * simply a position within the hierarchy 274 * simply a position within the hierarchy
262 */ 275 */
263 acpi_ns_delete_namespace_by_owner (table_desc->table_id); 276 acpi_ns_delete_namespace_by_owner (table_desc->owner_id);
264 277 acpi_ut_release_owner_id (&table_desc->owner_id);
265 table_desc = table_desc->next; 278 table_desc = table_desc->next;
266 } 279 }
267 280
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index dc3c3f6a9f62..87dccdda9ae2 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -65,6 +65,51 @@ acpi_tb_scan_memory_for_rsdp (
65 65
66/******************************************************************************* 66/*******************************************************************************
67 * 67 *
68 * FUNCTION: acpi_tb_validate_rsdp
69 *
70 * PARAMETERS: Rsdp - Pointer to unvalidated RSDP
71 *
72 * RETURN: Status
73 *
74 * DESCRIPTION: Validate the RSDP (ptr)
75 *
76 ******************************************************************************/
77
78acpi_status
79acpi_tb_validate_rsdp (
80 struct rsdp_descriptor *rsdp)
81{
82 ACPI_FUNCTION_ENTRY ();
83
84
85 /*
86 * The signature and checksum must both be correct
87 */
88 if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
89 /* Nope, BAD Signature */
90
91 return (AE_BAD_SIGNATURE);
92 }
93
94 /* Check the standard checksum */
95
96 if (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
97 return (AE_BAD_CHECKSUM);
98 }
99
100 /* Check extended checksum if table version >= 2 */
101
102 if ((rsdp->revision >= 2) &&
103 (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
104 return (AE_BAD_CHECKSUM);
105 }
106
107 return (AE_OK);
108}
109
110
111/*******************************************************************************
112 *
68 * FUNCTION: acpi_tb_find_table 113 * FUNCTION: acpi_tb_find_table
69 * 114 *
70 * PARAMETERS: Signature - String with ACPI table signature 115 * PARAMETERS: Signature - String with ACPI table signature
@@ -218,19 +263,11 @@ acpi_get_firmware_table (
218 acpi_gbl_RSDP = address.pointer.logical; 263 acpi_gbl_RSDP = address.pointer.logical;
219 } 264 }
220 265
221 /* The signature and checksum must both be correct */ 266 /* The RDSP signature and checksum must both be correct */
222
223 if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG,
224 sizeof (RSDP_SIG)-1) != 0) {
225 /* Nope, BAD Signature */
226
227 return_ACPI_STATUS (AE_BAD_SIGNATURE);
228 }
229
230 if (acpi_tb_checksum (acpi_gbl_RSDP, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
231 /* Nope, BAD Checksum */
232 267
233 return_ACPI_STATUS (AE_BAD_CHECKSUM); 268 status = acpi_tb_validate_rsdp (acpi_gbl_RSDP);
269 if (ACPI_FAILURE (status)) {
270 return_ACPI_STATUS (status);
234 } 271 }
235 } 272 }
236 273
@@ -287,9 +324,11 @@ acpi_get_firmware_table (
287 * requested table 324 * requested table
288 */ 325 */
289 for (i = 0, j = 0; i < table_count; i++) { 326 for (i = 0, j = 0; i < table_count; i++) {
290 /* Get the next table pointer, handle RSDT vs. XSDT */ 327 /*
291 328 * Get the next table pointer, handle RSDT vs. XSDT
292 if (acpi_gbl_RSDP->revision < 2) { 329 * RSDT pointers are 32 bits, XSDT pointers are 64 bits
330 */
331 if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
293 address.pointer.value = (ACPI_CAST_PTR ( 332 address.pointer.value = (ACPI_CAST_PTR (
294 RSDT_DESCRIPTOR, rsdt_info->pointer))->table_offset_entry[i]; 333 RSDT_DESCRIPTOR, rsdt_info->pointer))->table_offset_entry[i];
295 } 334 }
@@ -331,8 +370,10 @@ acpi_get_firmware_table (
331 370
332 371
333cleanup: 372cleanup:
334 acpi_os_unmap_memory (rsdt_info->pointer, 373 if (rsdt_info->pointer) {
335 (acpi_size) rsdt_info->pointer->length); 374 acpi_os_unmap_memory (rsdt_info->pointer,
375 (acpi_size) rsdt_info->pointer->length);
376 }
336 ACPI_MEM_FREE (rsdt_info); 377 ACPI_MEM_FREE (rsdt_info);
337 378
338 if (header) { 379 if (header) {
@@ -410,9 +451,9 @@ acpi_tb_scan_memory_for_rsdp (
410 u8 *start_address, 451 u8 *start_address,
411 u32 length) 452 u32 length)
412{ 453{
454 acpi_status status;
413 u8 *mem_rover; 455 u8 *mem_rover;
414 u8 *end_address; 456 u8 *end_address;
415 u8 checksum;
416 457
417 458
418 ACPI_FUNCTION_TRACE ("tb_scan_memory_for_rsdp"); 459 ACPI_FUNCTION_TRACE ("tb_scan_memory_for_rsdp");
@@ -424,45 +465,25 @@ acpi_tb_scan_memory_for_rsdp (
424 465
425 for (mem_rover = start_address; mem_rover < end_address; 466 for (mem_rover = start_address; mem_rover < end_address;
426 mem_rover += ACPI_RSDP_SCAN_STEP) { 467 mem_rover += ACPI_RSDP_SCAN_STEP) {
427 /* The signature and checksum must both be correct */ 468 /* The RSDP signature and checksum must both be correct */
428
429 if (ACPI_STRNCMP ((char *) mem_rover,
430 RSDP_SIG, sizeof (RSDP_SIG) - 1) != 0) {
431 /* No signature match, keep looking */
432
433 continue;
434 }
435
436 /* Signature matches, check the appropriate checksum */
437
438 if ((ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover))->revision < 2) {
439 /* ACPI version 1.0 */
440 469
441 checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_CHECKSUM_LENGTH); 470 status = acpi_tb_validate_rsdp (ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover));
442 } 471 if (ACPI_SUCCESS (status)) {
443 else { 472 /* Sig and checksum valid, we have found a real RSDP */
444 /* Post ACPI 1.0, use extended_checksum */
445
446 checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_XCHECKSUM_LENGTH);
447 }
448
449 if (checksum == 0) {
450 /* Checksum valid, we have found a valid RSDP */
451 473
452 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 474 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
453 "RSDP located at physical address %p\n", mem_rover)); 475 "RSDP located at physical address %p\n", mem_rover));
454 return_PTR (mem_rover); 476 return_PTR (mem_rover);
455 } 477 }
456 478
457 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 479 /* No sig match or bad checksum, keep searching */
458 "Found an RSDP at physical address %p, but it has a bad checksum\n",
459 mem_rover));
460 } 480 }
461 481
462 /* Searched entire block, no RSDP was found */ 482 /* Searched entire block, no RSDP was found */
463 483
464 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 484 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
465 "Searched entire block, no valid RSDP was found.\n")); 485 "Searched entire block from %p, valid RSDP was not found\n",
486 start_address));
466 return_PTR (NULL); 487 return_PTR (NULL);
467} 488}
468 489
@@ -550,7 +571,7 @@ acpi_tb_find_rsdp (
550 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE); 571 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE);
551 572
552 if (mem_rover) { 573 if (mem_rover) {
553 /* Found it, return the physical address */ 574 /* Return the physical address */
554 575
555 physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr); 576 physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr);
556 577
@@ -579,7 +600,7 @@ acpi_tb_find_rsdp (
579 acpi_os_unmap_memory (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE); 600 acpi_os_unmap_memory (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
580 601
581 if (mem_rover) { 602 if (mem_rover) {
582 /* Found it, return the physical address */ 603 /* Return the physical address */
583 604
584 physical_address = 605 physical_address =
585 ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr); 606 ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr);
@@ -610,7 +631,7 @@ acpi_tb_find_rsdp (
610 ACPI_PHYSADDR_TO_PTR (physical_address), 631 ACPI_PHYSADDR_TO_PTR (physical_address),
611 ACPI_EBDA_WINDOW_SIZE); 632 ACPI_EBDA_WINDOW_SIZE);
612 if (mem_rover) { 633 if (mem_rover) {
613 /* Found it, return the physical address */ 634 /* Return the physical address */
614 635
615 table_info->physical_address = ACPI_TO_INTEGER (mem_rover); 636 table_info->physical_address = ACPI_TO_INTEGER (mem_rover);
616 return_ACPI_STATUS (AE_OK); 637 return_ACPI_STATUS (AE_OK);
@@ -630,8 +651,9 @@ acpi_tb_find_rsdp (
630 } 651 }
631 } 652 }
632 653
633 /* RSDP signature was not found */ 654 /* A valid RSDP was not found */
634 655
656 ACPI_REPORT_ERROR (("No valid RSDP was found\n"));
635 return_ACPI_STATUS (AE_NOT_FOUND); 657 return_ACPI_STATUS (AE_NOT_FOUND);
636} 658}
637 659
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
index 939c447dd52a..e87108b7338a 100644
--- a/drivers/acpi/utilities/Makefile
+++ b/drivers/acpi/utilities/Makefile
@@ -3,6 +3,6 @@
3# 3#
4 4
5obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \ 5obj-y := utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \
6 utcopy.o utdelete.o utglobal.o utmath.o utobject.o 6 utcopy.o utdelete.o utglobal.o utmath.o utobject.o utstate.o utmutex.o utobject.o utcache.o
7 7
8EXTRA_CFLAGS += $(ACPI_CFLAGS) 8EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index c4e7f989a2bd..78270f50e625 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -1,6 +1,6 @@
1/****************************************************************************** 1/******************************************************************************
2 * 2 *
3 * Module Name: utalloc - local cache and memory allocation routines 3 * Module Name: utalloc - local memory allocation routines
4 * 4 *
5 *****************************************************************************/ 5 *****************************************************************************/
6 6
@@ -52,12 +52,10 @@
52#ifdef ACPI_DBG_TRACK_ALLOCATIONS 52#ifdef ACPI_DBG_TRACK_ALLOCATIONS
53static struct acpi_debug_mem_block * 53static struct acpi_debug_mem_block *
54acpi_ut_find_allocation ( 54acpi_ut_find_allocation (
55 u32 list_id,
56 void *allocation); 55 void *allocation);
57 56
58static acpi_status 57static acpi_status
59acpi_ut_track_allocation ( 58acpi_ut_track_allocation (
60 u32 list_id,
61 struct acpi_debug_mem_block *address, 59 struct acpi_debug_mem_block *address,
62 acpi_size size, 60 acpi_size size,
63 u8 alloc_type, 61 u8 alloc_type,
@@ -67,206 +65,118 @@ acpi_ut_track_allocation (
67 65
68static acpi_status 66static acpi_status
69acpi_ut_remove_allocation ( 67acpi_ut_remove_allocation (
70 u32 list_id,
71 struct acpi_debug_mem_block *address, 68 struct acpi_debug_mem_block *address,
72 u32 component, 69 u32 component,
73 char *module, 70 char *module,
74 u32 line); 71 u32 line);
75#endif /* ACPI_DBG_TRACK_ALLOCATIONS */ 72#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
76 73
77 74#ifdef ACPI_DBG_TRACK_ALLOCATIONS
78/******************************************************************************* 75static acpi_status
79 * 76acpi_ut_create_list (
80 * FUNCTION: acpi_ut_release_to_cache 77 char *list_name,
81 * 78 u16 object_size,
82 * PARAMETERS: list_id - Memory list/cache ID 79 struct acpi_memory_list **return_cache);
83 * Object - The object to be released
84 *
85 * RETURN: None
86 *
87 * DESCRIPTION: Release an object to the specified cache. If cache is full,
88 * the object is deleted.
89 *
90 ******************************************************************************/
91
92void
93acpi_ut_release_to_cache (
94 u32 list_id,
95 void *object)
96{
97 struct acpi_memory_list *cache_info;
98
99
100 ACPI_FUNCTION_ENTRY ();
101
102
103 cache_info = &acpi_gbl_memory_lists[list_id];
104
105#ifdef ACPI_ENABLE_OBJECT_CACHE
106
107 /* If walk cache is full, just free this wallkstate object */
108
109 if (cache_info->cache_depth >= cache_info->max_cache_depth) {
110 ACPI_MEM_FREE (object);
111 ACPI_MEM_TRACKING (cache_info->total_freed++);
112 }
113
114 /* Otherwise put this object back into the cache */
115
116 else {
117 if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
118 return;
119 }
120
121 /* Mark the object as cached */
122
123 ACPI_MEMSET (object, 0xCA, cache_info->object_size);
124 ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
125
126 /* Put the object at the head of the cache list */
127
128 * (ACPI_CAST_INDIRECT_PTR (char,
129 &(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
130 cache_info->list_head = object;
131 cache_info->cache_depth++;
132
133 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
134 }
135
136#else
137
138 /* Object cache is disabled; just free the object */
139
140 ACPI_MEM_FREE (object);
141 ACPI_MEM_TRACKING (cache_info->total_freed++);
142#endif 80#endif
143}
144 81
145 82
146/******************************************************************************* 83/*******************************************************************************
147 * 84 *
148 * FUNCTION: acpi_ut_acquire_from_cache 85 * FUNCTION: acpi_ut_create_caches
149 * 86 *
150 * PARAMETERS: list_id - Memory list ID 87 * PARAMETERS: None
151 * 88 *
152 * RETURN: A requested object. NULL if the object could not be 89 * RETURN: Status
153 * allocated.
154 * 90 *
155 * DESCRIPTION: Get an object from the specified cache. If cache is empty, 91 * DESCRIPTION: Create all local caches
156 * the object is allocated.
157 * 92 *
158 ******************************************************************************/ 93 ******************************************************************************/
159 94
160void * 95acpi_status
161acpi_ut_acquire_from_cache ( 96acpi_ut_create_caches (
162 u32 list_id) 97 void)
163{ 98{
164 struct acpi_memory_list *cache_info; 99 acpi_status status;
165 void *object;
166
167
168 ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
169 100
170 101
171 cache_info = &acpi_gbl_memory_lists[list_id]; 102#ifdef ACPI_DBG_TRACK_ALLOCATIONS
172 103
173#ifdef ACPI_ENABLE_OBJECT_CACHE 104 /* Memory allocation lists */
174 105
175 if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) { 106 status = acpi_ut_create_list ("Acpi-Global", 0,
176 return (NULL); 107 &acpi_gbl_global_list);
108 if (ACPI_FAILURE (status)) {
109 return (status);
177 } 110 }
178 111
179 ACPI_MEM_TRACKING (cache_info->cache_requests++); 112 status = acpi_ut_create_list ("Acpi-Namespace", sizeof (struct acpi_namespace_node),
180 113 &acpi_gbl_ns_node_list);
181 /* Check the cache first */ 114 if (ACPI_FAILURE (status)) {
182 115 return (status);
183 if (cache_info->list_head) { 116 }
184 /* There is an object available, use it */
185
186 object = cache_info->list_head;
187 cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
188 &(((char *) object)[cache_info->link_offset])));
189
190 ACPI_MEM_TRACKING (cache_info->cache_hits++);
191 cache_info->cache_depth--;
192
193#ifdef ACPI_DBG_TRACK_ALLOCATIONS
194 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
195 object, acpi_gbl_memory_lists[list_id].list_name));
196#endif 117#endif
197 118
198 if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) { 119 /* Object Caches, for frequently used objects */
199 return (NULL);
200 }
201
202 /* Clear (zero) the previously used Object */
203 120
204 ACPI_MEMSET (object, 0, cache_info->object_size); 121 status = acpi_os_create_cache ("acpi_state", sizeof (union acpi_generic_state),
122 ACPI_MAX_STATE_CACHE_DEPTH, &acpi_gbl_state_cache);
123 if (ACPI_FAILURE (status)) {
124 return (status);
205 } 125 }
206 126
207 else { 127 status = acpi_os_create_cache ("acpi_parse", sizeof (struct acpi_parse_obj_common),
208 /* The cache is empty, create a new object */ 128 ACPI_MAX_PARSE_CACHE_DEPTH, &acpi_gbl_ps_node_cache);
209 129 if (ACPI_FAILURE (status)) {
210 /* Avoid deadlock with ACPI_MEM_CALLOCATE */ 130 return (status);
211
212 if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
213 return (NULL);
214 }
215
216 object = ACPI_MEM_CALLOCATE (cache_info->object_size);
217 ACPI_MEM_TRACKING (cache_info->total_allocated++);
218 } 131 }
219 132
220#else 133 status = acpi_os_create_cache ("acpi_parse_ext", sizeof (struct acpi_parse_obj_named),
221 134 ACPI_MAX_EXTPARSE_CACHE_DEPTH, &acpi_gbl_ps_node_ext_cache);
222 /* Object cache is disabled; just allocate the object */ 135 if (ACPI_FAILURE (status)) {
136 return (status);
137 }
223 138
224 object = ACPI_MEM_CALLOCATE (cache_info->object_size); 139 status = acpi_os_create_cache ("acpi_operand", sizeof (union acpi_operand_object),
225 ACPI_MEM_TRACKING (cache_info->total_allocated++); 140 ACPI_MAX_OBJECT_CACHE_DEPTH, &acpi_gbl_operand_cache);
226#endif 141 if (ACPI_FAILURE (status)) {
142 return (status);
143 }
227 144
228 return (object); 145 return (AE_OK);
229} 146}
230 147
231 148
232#ifdef ACPI_ENABLE_OBJECT_CACHE
233/******************************************************************************* 149/*******************************************************************************
234 * 150 *
235 * FUNCTION: acpi_ut_delete_generic_cache 151 * FUNCTION: acpi_ut_delete_caches
236 * 152 *
237 * PARAMETERS: list_id - Memory list ID 153 * PARAMETERS: None
238 * 154 *
239 * RETURN: None 155 * RETURN: Status
240 * 156 *
241 * DESCRIPTION: Free all objects within the requested cache. 157 * DESCRIPTION: Purge and delete all local caches
242 * 158 *
243 ******************************************************************************/ 159 ******************************************************************************/
244 160
245void 161acpi_status
246acpi_ut_delete_generic_cache ( 162acpi_ut_delete_caches (
247 u32 list_id) 163 void)
248{ 164{
249 struct acpi_memory_list *cache_info;
250 char *next;
251 165
166 (void) acpi_os_delete_cache (acpi_gbl_state_cache);
167 acpi_gbl_state_cache = NULL;
252 168
253 ACPI_FUNCTION_ENTRY (); 169 (void) acpi_os_delete_cache (acpi_gbl_operand_cache);
254 170 acpi_gbl_operand_cache = NULL;
255 171
256 cache_info = &acpi_gbl_memory_lists[list_id]; 172 (void) acpi_os_delete_cache (acpi_gbl_ps_node_cache);
257 while (cache_info->list_head) { 173 acpi_gbl_ps_node_cache = NULL;
258 /* Delete one cached state object */
259 174
260 next = *(ACPI_CAST_INDIRECT_PTR (char, 175 (void) acpi_os_delete_cache (acpi_gbl_ps_node_ext_cache);
261 &(((char *) cache_info->list_head)[cache_info->link_offset]))); 176 acpi_gbl_ps_node_ext_cache = NULL;
262 ACPI_MEM_FREE (cache_info->list_head);
263 177
264 cache_info->list_head = next; 178 return (AE_OK);
265 cache_info->cache_depth--;
266 }
267} 179}
268#endif
269
270 180
271/******************************************************************************* 181/*******************************************************************************
272 * 182 *
@@ -500,6 +410,43 @@ acpi_ut_callocate (
500 * occurs in the body of acpi_ut_free. 410 * occurs in the body of acpi_ut_free.
501 */ 411 */
502 412
413/*******************************************************************************
414 *
415 * FUNCTION: acpi_ut_create_list
416 *
417 * PARAMETERS: cache_name - Ascii name for the cache
418 * object_size - Size of each cached object
419 * return_cache - Where the new cache object is returned
420 *
421 * RETURN: Status
422 *
423 * DESCRIPTION: Create a local memory list for tracking purposed
424 *
425 ******************************************************************************/
426
427static acpi_status
428acpi_ut_create_list (
429 char *list_name,
430 u16 object_size,
431 struct acpi_memory_list **return_cache)
432{
433 struct acpi_memory_list *cache;
434
435
436 cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
437 if (!cache) {
438 return (AE_NO_MEMORY);
439 }
440
441 ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
442
443 cache->list_name = list_name;
444 cache->object_size = object_size;
445
446 *return_cache = cache;
447 return (AE_OK);
448}
449
503 450
504/******************************************************************************* 451/*******************************************************************************
505 * 452 *
@@ -533,15 +480,15 @@ acpi_ut_allocate_and_track (
533 return (NULL); 480 return (NULL);
534 } 481 }
535 482
536 status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size, 483 status = acpi_ut_track_allocation (allocation, size,
537 ACPI_MEM_MALLOC, component, module, line); 484 ACPI_MEM_MALLOC, component, module, line);
538 if (ACPI_FAILURE (status)) { 485 if (ACPI_FAILURE (status)) {
539 acpi_os_free (allocation); 486 acpi_os_free (allocation);
540 return (NULL); 487 return (NULL);
541 } 488 }
542 489
543 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++; 490 acpi_gbl_global_list->total_allocated++;
544 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size; 491 acpi_gbl_global_list->current_total_size += (u32) size;
545 492
546 return ((void *) &allocation->user_space); 493 return ((void *) &allocation->user_space);
547} 494}
@@ -583,15 +530,15 @@ acpi_ut_callocate_and_track (
583 return (NULL); 530 return (NULL);
584 } 531 }
585 532
586 status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size, 533 status = acpi_ut_track_allocation (allocation, size,
587 ACPI_MEM_CALLOC, component, module, line); 534 ACPI_MEM_CALLOC, component, module, line);
588 if (ACPI_FAILURE (status)) { 535 if (ACPI_FAILURE (status)) {
589 acpi_os_free (allocation); 536 acpi_os_free (allocation);
590 return (NULL); 537 return (NULL);
591 } 538 }
592 539
593 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++; 540 acpi_gbl_global_list->total_allocated++;
594 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size; 541 acpi_gbl_global_list->current_total_size += (u32) size;
595 542
596 return ((void *) &allocation->user_space); 543 return ((void *) &allocation->user_space);
597} 544}
@@ -636,10 +583,10 @@ acpi_ut_free_and_track (
636 debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block, 583 debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
637 (((char *) allocation) - sizeof (struct acpi_debug_mem_header))); 584 (((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
638 585
639 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++; 586 acpi_gbl_global_list->total_freed++;
640 acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size; 587 acpi_gbl_global_list->current_total_size -= debug_block->size;
641 588
642 status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block, 589 status = acpi_ut_remove_allocation (debug_block,
643 component, module, line); 590 component, module, line);
644 if (ACPI_FAILURE (status)) { 591 if (ACPI_FAILURE (status)) {
645 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n", 592 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
@@ -658,8 +605,7 @@ acpi_ut_free_and_track (
658 * 605 *
659 * FUNCTION: acpi_ut_find_allocation 606 * FUNCTION: acpi_ut_find_allocation
660 * 607 *
661 * PARAMETERS: list_id - Memory list to search 608 * PARAMETERS: Allocation - Address of allocated memory
662 * Allocation - Address of allocated memory
663 * 609 *
664 * RETURN: A list element if found; NULL otherwise. 610 * RETURN: A list element if found; NULL otherwise.
665 * 611 *
@@ -669,7 +615,6 @@ acpi_ut_free_and_track (
669 615
670static struct acpi_debug_mem_block * 616static struct acpi_debug_mem_block *
671acpi_ut_find_allocation ( 617acpi_ut_find_allocation (
672 u32 list_id,
673 void *allocation) 618 void *allocation)
674{ 619{
675 struct acpi_debug_mem_block *element; 620 struct acpi_debug_mem_block *element;
@@ -678,11 +623,7 @@ acpi_ut_find_allocation (
678 ACPI_FUNCTION_ENTRY (); 623 ACPI_FUNCTION_ENTRY ();
679 624
680 625
681 if (list_id > ACPI_MEM_LIST_MAX) { 626 element = acpi_gbl_global_list->list_head;
682 return (NULL);
683 }
684
685 element = acpi_gbl_memory_lists[list_id].list_head;
686 627
687 /* Search for the address. */ 628 /* Search for the address. */
688 629
@@ -702,8 +643,7 @@ acpi_ut_find_allocation (
702 * 643 *
703 * FUNCTION: acpi_ut_track_allocation 644 * FUNCTION: acpi_ut_track_allocation
704 * 645 *
705 * PARAMETERS: list_id - Memory list to search 646 * PARAMETERS: Allocation - Address of allocated memory
706 * Allocation - Address of allocated memory
707 * Size - Size of the allocation 647 * Size - Size of the allocation
708 * alloc_type - MEM_MALLOC or MEM_CALLOC 648 * alloc_type - MEM_MALLOC or MEM_CALLOC
709 * Component - Component type of caller 649 * Component - Component type of caller
@@ -718,7 +658,6 @@ acpi_ut_find_allocation (
718 658
719static acpi_status 659static acpi_status
720acpi_ut_track_allocation ( 660acpi_ut_track_allocation (
721 u32 list_id,
722 struct acpi_debug_mem_block *allocation, 661 struct acpi_debug_mem_block *allocation,
723 acpi_size size, 662 acpi_size size,
724 u8 alloc_type, 663 u8 alloc_type,
@@ -734,11 +673,7 @@ acpi_ut_track_allocation (
734 ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation); 673 ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
735 674
736 675
737 if (list_id > ACPI_MEM_LIST_MAX) { 676 mem_list = acpi_gbl_global_list;
738 return_ACPI_STATUS (AE_BAD_PARAMETER);
739 }
740
741 mem_list = &acpi_gbl_memory_lists[list_id];
742 status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY); 677 status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
743 if (ACPI_FAILURE (status)) { 678 if (ACPI_FAILURE (status)) {
744 return_ACPI_STATUS (status); 679 return_ACPI_STATUS (status);
@@ -748,8 +683,7 @@ acpi_ut_track_allocation (
748 * Search list for this address to make sure it is not already on the list. 683 * Search list for this address to make sure it is not already on the list.
749 * This will catch several kinds of problems. 684 * This will catch several kinds of problems.
750 */ 685 */
751 686 element = acpi_ut_find_allocation (allocation);
752 element = acpi_ut_find_allocation (list_id, allocation);
753 if (element) { 687 if (element) {
754 ACPI_REPORT_ERROR (( 688 ACPI_REPORT_ERROR ((
755 "ut_track_allocation: Allocation already present in list! (%p)\n", 689 "ut_track_allocation: Allocation already present in list! (%p)\n",
@@ -793,8 +727,7 @@ unlock_and_exit:
793 * 727 *
794 * FUNCTION: acpi_ut_remove_allocation 728 * FUNCTION: acpi_ut_remove_allocation
795 * 729 *
796 * PARAMETERS: list_id - Memory list to search 730 * PARAMETERS: Allocation - Address of allocated memory
797 * Allocation - Address of allocated memory
798 * Component - Component type of caller 731 * Component - Component type of caller
799 * Module - Source file name of caller 732 * Module - Source file name of caller
800 * Line - Line number of caller 733 * Line - Line number of caller
@@ -807,7 +740,6 @@ unlock_and_exit:
807 740
808static acpi_status 741static acpi_status
809acpi_ut_remove_allocation ( 742acpi_ut_remove_allocation (
810 u32 list_id,
811 struct acpi_debug_mem_block *allocation, 743 struct acpi_debug_mem_block *allocation,
812 u32 component, 744 u32 component,
813 char *module, 745 char *module,
@@ -820,11 +752,7 @@ acpi_ut_remove_allocation (
820 ACPI_FUNCTION_TRACE ("ut_remove_allocation"); 752 ACPI_FUNCTION_TRACE ("ut_remove_allocation");
821 753
822 754
823 if (list_id > ACPI_MEM_LIST_MAX) { 755 mem_list = acpi_gbl_global_list;
824 return_ACPI_STATUS (AE_BAD_PARAMETER);
825 }
826
827 mem_list = &acpi_gbl_memory_lists[list_id];
828 if (NULL == mem_list->list_head) { 756 if (NULL == mem_list->list_head) {
829 /* No allocations! */ 757 /* No allocations! */
830 758
@@ -959,7 +887,7 @@ acpi_ut_dump_allocations (
959 return; 887 return;
960 } 888 }
961 889
962 element = acpi_gbl_memory_lists[0].list_head; 890 element = acpi_gbl_global_list->list_head;
963 while (element) { 891 while (element) {
964 if ((element->component & component) && 892 if ((element->component & component) &&
965 ((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) { 893 ((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
new file mode 100644
index 000000000000..c0df0585c683
--- /dev/null
+++ b/drivers/acpi/utilities/utcache.c
@@ -0,0 +1,328 @@
1/******************************************************************************
2 *
3 * Module Name: utcache - local cache allocation routines
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45#include <acpi/acpi.h>
46
47#define _COMPONENT ACPI_UTILITIES
48 ACPI_MODULE_NAME ("utcache")
49
50
51#ifdef ACPI_USE_LOCAL_CACHE
52/*******************************************************************************
53 *
54 * FUNCTION: acpi_os_create_cache
55 *
56 * PARAMETERS: cache_name - Ascii name for the cache
57 * object_size - Size of each cached object
58 * max_depth - Maximum depth of the cache (in objects)
59 * return_cache - Where the new cache object is returned
60 *
61 * RETURN: Status
62 *
63 * DESCRIPTION: Create a cache object
64 *
65 ******************************************************************************/
66
67acpi_status
68acpi_os_create_cache (
69 char *cache_name,
70 u16 object_size,
71 u16 max_depth,
72 struct acpi_memory_list **return_cache)
73{
74 struct acpi_memory_list *cache;
75
76
77 ACPI_FUNCTION_ENTRY ();
78
79
80 if (!cache_name || !return_cache || (object_size < 16)) {
81 return (AE_BAD_PARAMETER);
82 }
83
84 /* Create the cache object */
85
86 cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
87 if (!cache) {
88 return (AE_NO_MEMORY);
89 }
90
91 /* Populate the cache object and return it */
92
93 ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
94 cache->link_offset = 8;
95 cache->list_name = cache_name;
96 cache->object_size = object_size;
97 cache->max_depth = max_depth;
98
99 *return_cache = cache;
100 return (AE_OK);
101}
102
103
104/*******************************************************************************
105 *
106 * FUNCTION: acpi_os_purge_cache
107 *
108 * PARAMETERS: Cache - Handle to cache object
109 *
110 * RETURN: Status
111 *
112 * DESCRIPTION: Free all objects within the requested cache.
113 *
114 ******************************************************************************/
115
116acpi_status
117acpi_os_purge_cache (
118 struct acpi_memory_list *cache)
119{
120 char *next;
121
122
123 ACPI_FUNCTION_ENTRY ();
124
125
126 if (!cache) {
127 return (AE_BAD_PARAMETER);
128 }
129
130 /* Walk the list of objects in this cache */
131
132 while (cache->list_head) {
133 /* Delete and unlink one cached state object */
134
135 next = *(ACPI_CAST_INDIRECT_PTR (char,
136 &(((char *) cache->list_head)[cache->link_offset])));
137 ACPI_MEM_FREE (cache->list_head);
138
139 cache->list_head = next;
140 cache->current_depth--;
141 }
142
143 return (AE_OK);
144}
145
146
147/*******************************************************************************
148 *
149 * FUNCTION: acpi_os_delete_cache
150 *
151 * PARAMETERS: Cache - Handle to cache object
152 *
153 * RETURN: Status
154 *
155 * DESCRIPTION: Free all objects within the requested cache and delete the
156 * cache object.
157 *
158 ******************************************************************************/
159
160acpi_status
161acpi_os_delete_cache (
162 struct acpi_memory_list *cache)
163{
164 acpi_status status;
165
166
167 ACPI_FUNCTION_ENTRY ();
168
169
170 /* Purge all objects in the cache */
171
172 status = acpi_os_purge_cache (cache);
173 if (ACPI_FAILURE (status)) {
174 return (status);
175 }
176
177 /* Now we can delete the cache object */
178
179 acpi_os_free (cache);
180 return (AE_OK);
181}
182
183
184/*******************************************************************************
185 *
186 * FUNCTION: acpi_os_release_object
187 *
188 * PARAMETERS: Cache - Handle to cache object
189 * Object - The object to be released
190 *
191 * RETURN: None
192 *
193 * DESCRIPTION: Release an object to the specified cache. If cache is full,
194 * the object is deleted.
195 *
196 ******************************************************************************/
197
198acpi_status
199acpi_os_release_object (
200 struct acpi_memory_list *cache,
201 void *object)
202{
203 acpi_status status;
204
205
206 ACPI_FUNCTION_ENTRY ();
207
208
209 if (!cache || !object) {
210 return (AE_BAD_PARAMETER);
211 }
212
213 /* If cache is full, just free this object */
214
215 if (cache->current_depth >= cache->max_depth) {
216 ACPI_MEM_FREE (object);
217 ACPI_MEM_TRACKING (cache->total_freed++);
218 }
219
220 /* Otherwise put this object back into the cache */
221
222 else {
223 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
224 if (ACPI_FAILURE (status)) {
225 return (status);
226 }
227
228 /* Mark the object as cached */
229
230 ACPI_MEMSET (object, 0xCA, cache->object_size);
231 ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
232
233 /* Put the object at the head of the cache list */
234
235 * (ACPI_CAST_INDIRECT_PTR (char,
236 &(((char *) object)[cache->link_offset]))) = cache->list_head;
237 cache->list_head = object;
238 cache->current_depth++;
239
240 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
241 }
242
243 return (AE_OK);
244}
245
246
247/*******************************************************************************
248 *
249 * FUNCTION: acpi_os_acquire_object
250 *
251 * PARAMETERS: Cache - Handle to cache object
252 *
253 * RETURN: the acquired object. NULL on error
254 *
255 * DESCRIPTION: Get an object from the specified cache. If cache is empty,
256 * the object is allocated.
257 *
258 ******************************************************************************/
259
260void *
261acpi_os_acquire_object (
262 struct acpi_memory_list *cache)
263{
264 acpi_status status;
265 void *object;
266
267
268 ACPI_FUNCTION_NAME ("os_acquire_object");
269
270
271 if (!cache) {
272 return (NULL);
273 }
274
275 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
276 if (ACPI_FAILURE (status)) {
277 return (NULL);
278 }
279
280 ACPI_MEM_TRACKING (cache->requests++);
281
282 /* Check the cache first */
283
284 if (cache->list_head) {
285 /* There is an object available, use it */
286
287 object = cache->list_head;
288 cache->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
289 &(((char *) object)[cache->link_offset])));
290
291 cache->current_depth--;
292
293 ACPI_MEM_TRACKING (cache->hits++);
294 ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
295 "Object %p from %s cache\n", object, cache->list_name)));
296
297 status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
298 if (ACPI_FAILURE (status)) {
299 return (NULL);
300 }
301
302 /* Clear (zero) the previously used Object */
303
304 ACPI_MEMSET (object, 0, cache->object_size);
305 }
306 else {
307 /* The cache is empty, create a new object */
308
309 ACPI_MEM_TRACKING (cache->total_allocated++);
310
311 /* Avoid deadlock with ACPI_MEM_CALLOCATE */
312
313 status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
314 if (ACPI_FAILURE (status)) {
315 return (NULL);
316 }
317
318 object = ACPI_MEM_CALLOCATE (cache->object_size);
319 if (!object) {
320 return (NULL);
321 }
322 }
323
324 return (object);
325}
326#endif /* ACPI_USE_LOCAL_CACHE */
327
328
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 11e884957162..31c30a32e5c9 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -694,58 +694,50 @@ acpi_ut_copy_simple_object (
694 dest_desc->common.reference_count = reference_count; 694 dest_desc->common.reference_count = reference_count;
695 dest_desc->common.next_object = next_object; 695 dest_desc->common.next_object = next_object;
696 696
697 /* New object is not static, regardless of source */
698
699 dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
700
697 /* Handle the objects with extra data */ 701 /* Handle the objects with extra data */
698 702
699 switch (ACPI_GET_OBJECT_TYPE (dest_desc)) { 703 switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
700 case ACPI_TYPE_BUFFER: 704 case ACPI_TYPE_BUFFER:
701
702 dest_desc->buffer.node = NULL;
703 dest_desc->common.flags = source_desc->common.flags;
704
705 /* 705 /*
706 * Allocate and copy the actual buffer if and only if: 706 * Allocate and copy the actual buffer if and only if:
707 * 1) There is a valid buffer pointer 707 * 1) There is a valid buffer pointer
708 * 2) The buffer is not static (not in an ACPI table) (in this case, 708 * 2) The buffer has a length > 0
709 * the actual pointer was already copied above)
710 */ 709 */
711 if ((source_desc->buffer.pointer) && 710 if ((source_desc->buffer.pointer) &&
712 (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) { 711 (source_desc->buffer.length)) {
713 dest_desc->buffer.pointer = NULL; 712 dest_desc->buffer.pointer =
714 713 ACPI_MEM_ALLOCATE (source_desc->buffer.length);
715 /* Create an actual buffer only if length > 0 */ 714 if (!dest_desc->buffer.pointer) {
716 715 return (AE_NO_MEMORY);
717 if (source_desc->buffer.length) { 716 }
718 dest_desc->buffer.pointer =
719 ACPI_MEM_ALLOCATE (source_desc->buffer.length);
720 if (!dest_desc->buffer.pointer) {
721 return (AE_NO_MEMORY);
722 }
723 717
724 /* Copy the actual buffer data */ 718 /* Copy the actual buffer data */
725 719
726 ACPI_MEMCPY (dest_desc->buffer.pointer, 720 ACPI_MEMCPY (dest_desc->buffer.pointer,
727 source_desc->buffer.pointer, 721 source_desc->buffer.pointer,
728 source_desc->buffer.length); 722 source_desc->buffer.length);
729 }
730 } 723 }
731 break; 724 break;
732 725
733 case ACPI_TYPE_STRING: 726 case ACPI_TYPE_STRING:
734
735 /* 727 /*
736 * Allocate and copy the actual string if and only if: 728 * Allocate and copy the actual string if and only if:
737 * 1) There is a valid string pointer 729 * 1) There is a valid string pointer
738 * 2) The string is not static (not in an ACPI table) (in this case, 730 * (Pointer to a NULL string is allowed)
739 * the actual pointer was already copied above)
740 */ 731 */
741 if ((source_desc->string.pointer) && 732 if (source_desc->string.pointer) {
742 (!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
743 dest_desc->string.pointer = 733 dest_desc->string.pointer =
744 ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1); 734 ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1);
745 if (!dest_desc->string.pointer) { 735 if (!dest_desc->string.pointer) {
746 return (AE_NO_MEMORY); 736 return (AE_NO_MEMORY);
747 } 737 }
748 738
739 /* Copy the actual string data */
740
749 ACPI_MEMCPY (dest_desc->string.pointer, source_desc->string.pointer, 741 ACPI_MEMCPY (dest_desc->string.pointer, source_desc->string.pointer,
750 (acpi_size) source_desc->string.length + 1); 742 (acpi_size) source_desc->string.length + 1);
751 } 743 }
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 794c7df3f2ad..c27cbb7f5c54 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -55,6 +55,12 @@ static u32 acpi_gbl_prev_thread_id = 0xFFFFFFFF;
55static char *acpi_gbl_fn_entry_str = "----Entry"; 55static char *acpi_gbl_fn_entry_str = "----Entry";
56static char *acpi_gbl_fn_exit_str = "----Exit-"; 56static char *acpi_gbl_fn_exit_str = "----Exit-";
57 57
58/* Local prototypes */
59
60static const char *
61acpi_ut_trim_function_name (
62 const char *function_name);
63
58 64
59/******************************************************************************* 65/*******************************************************************************
60 * 66 *
@@ -72,7 +78,7 @@ void
72acpi_ut_init_stack_ptr_trace ( 78acpi_ut_init_stack_ptr_trace (
73 void) 79 void)
74{ 80{
75 u32 current_sp; 81 u32 current_sp;
76 82
77 83
78 acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL); 84 acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -95,7 +101,7 @@ void
95acpi_ut_track_stack_ptr ( 101acpi_ut_track_stack_ptr (
96 void) 102 void)
97{ 103{
98 acpi_size current_sp; 104 acpi_size current_sp;
99 105
100 106
101 current_sp = ACPI_PTR_DIFF (&current_sp, NULL); 107 current_sp = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -112,14 +118,50 @@ acpi_ut_track_stack_ptr (
112 118
113/******************************************************************************* 119/*******************************************************************************
114 * 120 *
121 * FUNCTION: acpi_ut_trim_function_name
122 *
123 * PARAMETERS: function_name - Ascii string containing a procedure name
124 *
125 * RETURN: Updated pointer to the function name
126 *
127 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
128 * This allows compiler macros such as __FUNCTION__ to be used
129 * with no change to the debug output.
130 *
131 ******************************************************************************/
132
133static const char *
134acpi_ut_trim_function_name (
135 const char *function_name)
136{
137
138 /* All Function names are longer than 4 chars, check is safe */
139
140 if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX1) {
141 /* This is the case where the original source has not been modified */
142
143 return (function_name + 4);
144 }
145
146 if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX2) {
147 /* This is the case where the source has been 'linuxized' */
148
149 return (function_name + 5);
150 }
151
152 return (function_name);
153}
154
155
156/*******************************************************************************
157 *
115 * FUNCTION: acpi_ut_debug_print 158 * FUNCTION: acpi_ut_debug_print
116 * 159 *
117 * PARAMETERS: requested_debug_level - Requested debug print level 160 * PARAMETERS: requested_debug_level - Requested debug print level
118 * line_number - Caller's line number (for error output) 161 * line_number - Caller's line number (for error output)
119 * dbg_info - Contains: 162 * function_name - Caller's procedure name
120 * proc_name - Caller's procedure name 163 * module_name - Caller's module name
121 * module_name - Caller's module name 164 * component_id - Caller's component ID
122 * component_id - Caller's component ID
123 * Format - Printf format field 165 * Format - Printf format field
124 * ... - Optional printf arguments 166 * ... - Optional printf arguments
125 * 167 *
@@ -134,7 +176,9 @@ void ACPI_INTERNAL_VAR_XFACE
134acpi_ut_debug_print ( 176acpi_ut_debug_print (
135 u32 requested_debug_level, 177 u32 requested_debug_level,
136 u32 line_number, 178 u32 line_number,
137 struct acpi_debug_print_info *dbg_info, 179 const char *function_name,
180 char *module_name,
181 u32 component_id,
138 char *format, 182 char *format,
139 ...) 183 ...)
140{ 184{
@@ -146,7 +190,7 @@ acpi_ut_debug_print (
146 * Stay silent if the debug level or component ID is disabled 190 * Stay silent if the debug level or component ID is disabled
147 */ 191 */
148 if (!(requested_debug_level & acpi_dbg_level) || 192 if (!(requested_debug_level & acpi_dbg_level) ||
149 !(dbg_info->component_id & acpi_dbg_layer)) { 193 !(component_id & acpi_dbg_layer)) {
150 return; 194 return;
151 } 195 }
152 196
@@ -169,14 +213,14 @@ acpi_ut_debug_print (
169 * Display the module name, current line number, thread ID (if requested), 213 * Display the module name, current line number, thread ID (if requested),
170 * current procedure nesting level, and the current procedure name 214 * current procedure nesting level, and the current procedure name
171 */ 215 */
172 acpi_os_printf ("%8s-%04ld ", dbg_info->module_name, line_number); 216 acpi_os_printf ("%8s-%04ld ", module_name, line_number);
173 217
174 if (ACPI_LV_THREADS & acpi_dbg_level) { 218 if (ACPI_LV_THREADS & acpi_dbg_level) {
175 acpi_os_printf ("[%04lX] ", thread_id); 219 acpi_os_printf ("[%04lX] ", thread_id);
176 } 220 }
177 221
178 acpi_os_printf ("[%02ld] %-22.22s: ", 222 acpi_os_printf ("[%02ld] %-22.22s: ",
179 acpi_gbl_nesting_level, dbg_info->proc_name); 223 acpi_gbl_nesting_level, acpi_ut_trim_function_name (function_name));
180 224
181 va_start (args, format); 225 va_start (args, format);
182 acpi_os_vprintf (format, args); 226 acpi_os_vprintf (format, args);
@@ -190,10 +234,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
190 * 234 *
191 * PARAMETERS: requested_debug_level - Requested debug print level 235 * PARAMETERS: requested_debug_level - Requested debug print level
192 * line_number - Caller's line number 236 * line_number - Caller's line number
193 * dbg_info - Contains: 237 * function_name - Caller's procedure name
194 * proc_name - Caller's procedure name 238 * module_name - Caller's module name
195 * module_name - Caller's module name 239 * component_id - Caller's component ID
196 * component_id - Caller's component ID
197 * Format - Printf format field 240 * Format - Printf format field
198 * ... - Optional printf arguments 241 * ... - Optional printf arguments
199 * 242 *
@@ -208,7 +251,9 @@ void ACPI_INTERNAL_VAR_XFACE
208acpi_ut_debug_print_raw ( 251acpi_ut_debug_print_raw (
209 u32 requested_debug_level, 252 u32 requested_debug_level,
210 u32 line_number, 253 u32 line_number,
211 struct acpi_debug_print_info *dbg_info, 254 const char *function_name,
255 char *module_name,
256 u32 component_id,
212 char *format, 257 char *format,
213 ...) 258 ...)
214{ 259{
@@ -216,7 +261,7 @@ acpi_ut_debug_print_raw (
216 261
217 262
218 if (!(requested_debug_level & acpi_dbg_level) || 263 if (!(requested_debug_level & acpi_dbg_level) ||
219 !(dbg_info->component_id & acpi_dbg_layer)) { 264 !(component_id & acpi_dbg_layer)) {
220 return; 265 return;
221 } 266 }
222 267
@@ -231,10 +276,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
231 * FUNCTION: acpi_ut_trace 276 * FUNCTION: acpi_ut_trace
232 * 277 *
233 * PARAMETERS: line_number - Caller's line number 278 * PARAMETERS: line_number - Caller's line number
234 * dbg_info - Contains: 279 * function_name - Caller's procedure name
235 * proc_name - Caller's procedure name 280 * module_name - Caller's module name
236 * module_name - Caller's module name 281 * component_id - Caller's component ID
237 * component_id - Caller's component ID
238 * 282 *
239 * RETURN: None 283 * RETURN: None
240 * 284 *
@@ -246,14 +290,17 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
246void 290void
247acpi_ut_trace ( 291acpi_ut_trace (
248 u32 line_number, 292 u32 line_number,
249 struct acpi_debug_print_info *dbg_info) 293 const char *function_name,
294 char *module_name,
295 u32 component_id)
250{ 296{
251 297
252 acpi_gbl_nesting_level++; 298 acpi_gbl_nesting_level++;
253 acpi_ut_track_stack_ptr (); 299 acpi_ut_track_stack_ptr ();
254 300
255 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 301 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
256 "%s\n", acpi_gbl_fn_entry_str); 302 line_number, function_name, module_name, component_id,
303 "%s\n", acpi_gbl_fn_entry_str);
257} 304}
258EXPORT_SYMBOL(acpi_ut_trace); 305EXPORT_SYMBOL(acpi_ut_trace);
259 306
@@ -263,10 +310,9 @@ EXPORT_SYMBOL(acpi_ut_trace);
263 * FUNCTION: acpi_ut_trace_ptr 310 * FUNCTION: acpi_ut_trace_ptr
264 * 311 *
265 * PARAMETERS: line_number - Caller's line number 312 * PARAMETERS: line_number - Caller's line number
266 * dbg_info - Contains: 313 * function_name - Caller's procedure name
267 * proc_name - Caller's procedure name 314 * module_name - Caller's module name
268 * module_name - Caller's module name 315 * component_id - Caller's component ID
269 * component_id - Caller's component ID
270 * Pointer - Pointer to display 316 * Pointer - Pointer to display
271 * 317 *
272 * RETURN: None 318 * RETURN: None
@@ -279,14 +325,17 @@ EXPORT_SYMBOL(acpi_ut_trace);
279void 325void
280acpi_ut_trace_ptr ( 326acpi_ut_trace_ptr (
281 u32 line_number, 327 u32 line_number,
282 struct acpi_debug_print_info *dbg_info, 328 const char *function_name,
329 char *module_name,
330 u32 component_id,
283 void *pointer) 331 void *pointer)
284{ 332{
285 acpi_gbl_nesting_level++; 333 acpi_gbl_nesting_level++;
286 acpi_ut_track_stack_ptr (); 334 acpi_ut_track_stack_ptr ();
287 335
288 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 336 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
289 "%s %p\n", acpi_gbl_fn_entry_str, pointer); 337 line_number, function_name, module_name, component_id,
338 "%s %p\n", acpi_gbl_fn_entry_str, pointer);
290} 339}
291 340
292 341
@@ -295,10 +344,9 @@ acpi_ut_trace_ptr (
295 * FUNCTION: acpi_ut_trace_str 344 * FUNCTION: acpi_ut_trace_str
296 * 345 *
297 * PARAMETERS: line_number - Caller's line number 346 * PARAMETERS: line_number - Caller's line number
298 * dbg_info - Contains: 347 * function_name - Caller's procedure name
299 * proc_name - Caller's procedure name 348 * module_name - Caller's module name
300 * module_name - Caller's module name 349 * component_id - Caller's component ID
301 * component_id - Caller's component ID
302 * String - Additional string to display 350 * String - Additional string to display
303 * 351 *
304 * RETURN: None 352 * RETURN: None
@@ -311,15 +359,18 @@ acpi_ut_trace_ptr (
311void 359void
312acpi_ut_trace_str ( 360acpi_ut_trace_str (
313 u32 line_number, 361 u32 line_number,
314 struct acpi_debug_print_info *dbg_info, 362 const char *function_name,
363 char *module_name,
364 u32 component_id,
315 char *string) 365 char *string)
316{ 366{
317 367
318 acpi_gbl_nesting_level++; 368 acpi_gbl_nesting_level++;
319 acpi_ut_track_stack_ptr (); 369 acpi_ut_track_stack_ptr ();
320 370
321 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 371 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
322 "%s %s\n", acpi_gbl_fn_entry_str, string); 372 line_number, function_name, module_name, component_id,
373 "%s %s\n", acpi_gbl_fn_entry_str, string);
323} 374}
324 375
325 376
@@ -328,10 +379,9 @@ acpi_ut_trace_str (
328 * FUNCTION: acpi_ut_trace_u32 379 * FUNCTION: acpi_ut_trace_u32
329 * 380 *
330 * PARAMETERS: line_number - Caller's line number 381 * PARAMETERS: line_number - Caller's line number
331 * dbg_info - Contains: 382 * function_name - Caller's procedure name
332 * proc_name - Caller's procedure name 383 * module_name - Caller's module name
333 * module_name - Caller's module name 384 * component_id - Caller's component ID
334 * component_id - Caller's component ID
335 * Integer - Integer to display 385 * Integer - Integer to display
336 * 386 *
337 * RETURN: None 387 * RETURN: None
@@ -344,15 +394,18 @@ acpi_ut_trace_str (
344void 394void
345acpi_ut_trace_u32 ( 395acpi_ut_trace_u32 (
346 u32 line_number, 396 u32 line_number,
347 struct acpi_debug_print_info *dbg_info, 397 const char *function_name,
398 char *module_name,
399 u32 component_id,
348 u32 integer) 400 u32 integer)
349{ 401{
350 402
351 acpi_gbl_nesting_level++; 403 acpi_gbl_nesting_level++;
352 acpi_ut_track_stack_ptr (); 404 acpi_ut_track_stack_ptr ();
353 405
354 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 406 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
355 "%s %08X\n", acpi_gbl_fn_entry_str, integer); 407 line_number, function_name, module_name, component_id,
408 "%s %08X\n", acpi_gbl_fn_entry_str, integer);
356} 409}
357 410
358 411
@@ -361,10 +414,9 @@ acpi_ut_trace_u32 (
361 * FUNCTION: acpi_ut_exit 414 * FUNCTION: acpi_ut_exit
362 * 415 *
363 * PARAMETERS: line_number - Caller's line number 416 * PARAMETERS: line_number - Caller's line number
364 * dbg_info - Contains: 417 * function_name - Caller's procedure name
365 * proc_name - Caller's procedure name 418 * module_name - Caller's module name
366 * module_name - Caller's module name 419 * component_id - Caller's component ID
367 * component_id - Caller's component ID
368 * 420 *
369 * RETURN: None 421 * RETURN: None
370 * 422 *
@@ -376,11 +428,14 @@ acpi_ut_trace_u32 (
376void 428void
377acpi_ut_exit ( 429acpi_ut_exit (
378 u32 line_number, 430 u32 line_number,
379 struct acpi_debug_print_info *dbg_info) 431 const char *function_name,
432 char *module_name,
433 u32 component_id)
380{ 434{
381 435
382 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 436 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
383 "%s\n", acpi_gbl_fn_exit_str); 437 line_number, function_name, module_name, component_id,
438 "%s\n", acpi_gbl_fn_exit_str);
384 439
385 acpi_gbl_nesting_level--; 440 acpi_gbl_nesting_level--;
386} 441}
@@ -392,10 +447,9 @@ EXPORT_SYMBOL(acpi_ut_exit);
392 * FUNCTION: acpi_ut_status_exit 447 * FUNCTION: acpi_ut_status_exit
393 * 448 *
394 * PARAMETERS: line_number - Caller's line number 449 * PARAMETERS: line_number - Caller's line number
395 * dbg_info - Contains: 450 * function_name - Caller's procedure name
396 * proc_name - Caller's procedure name 451 * module_name - Caller's module name
397 * module_name - Caller's module name 452 * component_id - Caller's component ID
398 * component_id - Caller's component ID
399 * Status - Exit status code 453 * Status - Exit status code
400 * 454 *
401 * RETURN: None 455 * RETURN: None
@@ -408,19 +462,23 @@ EXPORT_SYMBOL(acpi_ut_exit);
408void 462void
409acpi_ut_status_exit ( 463acpi_ut_status_exit (
410 u32 line_number, 464 u32 line_number,
411 struct acpi_debug_print_info *dbg_info, 465 const char *function_name,
466 char *module_name,
467 u32 component_id,
412 acpi_status status) 468 acpi_status status)
413{ 469{
414 470
415 if (ACPI_SUCCESS (status)) { 471 if (ACPI_SUCCESS (status)) {
416 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 472 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
417 "%s %s\n", acpi_gbl_fn_exit_str, 473 line_number, function_name, module_name, component_id,
418 acpi_format_exception (status)); 474 "%s %s\n", acpi_gbl_fn_exit_str,
475 acpi_format_exception (status));
419 } 476 }
420 else { 477 else {
421 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 478 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
422 "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str, 479 line_number, function_name, module_name, component_id,
423 acpi_format_exception (status)); 480 "%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
481 acpi_format_exception (status));
424 } 482 }
425 483
426 acpi_gbl_nesting_level--; 484 acpi_gbl_nesting_level--;
@@ -433,10 +491,9 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
433 * FUNCTION: acpi_ut_value_exit 491 * FUNCTION: acpi_ut_value_exit
434 * 492 *
435 * PARAMETERS: line_number - Caller's line number 493 * PARAMETERS: line_number - Caller's line number
436 * dbg_info - Contains: 494 * function_name - Caller's procedure name
437 * proc_name - Caller's procedure name 495 * module_name - Caller's module name
438 * module_name - Caller's module name 496 * component_id - Caller's component ID
439 * component_id - Caller's component ID
440 * Value - Value to be printed with exit msg 497 * Value - Value to be printed with exit msg
441 * 498 *
442 * RETURN: None 499 * RETURN: None
@@ -449,13 +506,16 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
449void 506void
450acpi_ut_value_exit ( 507acpi_ut_value_exit (
451 u32 line_number, 508 u32 line_number,
452 struct acpi_debug_print_info *dbg_info, 509 const char *function_name,
510 char *module_name,
511 u32 component_id,
453 acpi_integer value) 512 acpi_integer value)
454{ 513{
455 514
456 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 515 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
457 "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str, 516 line_number, function_name, module_name, component_id,
458 ACPI_FORMAT_UINT64 (value)); 517 "%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
518 ACPI_FORMAT_UINT64 (value));
459 519
460 acpi_gbl_nesting_level--; 520 acpi_gbl_nesting_level--;
461} 521}
@@ -467,10 +527,9 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
467 * FUNCTION: acpi_ut_ptr_exit 527 * FUNCTION: acpi_ut_ptr_exit
468 * 528 *
469 * PARAMETERS: line_number - Caller's line number 529 * PARAMETERS: line_number - Caller's line number
470 * dbg_info - Contains: 530 * function_name - Caller's procedure name
471 * proc_name - Caller's procedure name 531 * module_name - Caller's module name
472 * module_name - Caller's module name 532 * component_id - Caller's component ID
473 * component_id - Caller's component ID
474 * Ptr - Pointer to display 533 * Ptr - Pointer to display
475 * 534 *
476 * RETURN: None 535 * RETURN: None
@@ -483,12 +542,15 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
483void 542void
484acpi_ut_ptr_exit ( 543acpi_ut_ptr_exit (
485 u32 line_number, 544 u32 line_number,
486 struct acpi_debug_print_info *dbg_info, 545 const char *function_name,
546 char *module_name,
547 u32 component_id,
487 u8 *ptr) 548 u8 *ptr)
488{ 549{
489 550
490 acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info, 551 acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
491 "%s %p\n", acpi_gbl_fn_exit_str, ptr); 552 line_number, function_name, module_name, component_id,
553 "%s %p\n", acpi_gbl_fn_exit_str, ptr);
492 554
493 acpi_gbl_nesting_level--; 555 acpi_gbl_nesting_level--;
494} 556}
@@ -549,7 +611,7 @@ acpi_ut_dump_buffer (
549 /* Dump fill spaces */ 611 /* Dump fill spaces */
550 612
551 acpi_os_printf ("%*s", ((display * 2) + 1), " "); 613 acpi_os_printf ("%*s", ((display * 2) + 1), " ");
552 j += display; 614 j += (acpi_native_uint) display;
553 continue; 615 continue;
554 } 616 }
555 617
@@ -584,12 +646,12 @@ acpi_ut_dump_buffer (
584 break; 646 break;
585 } 647 }
586 648
587 j += display; 649 j += (acpi_native_uint) display;
588 } 650 }
589 651
590 /* 652 /*
591 * Print the ASCII equivalent characters 653 * Print the ASCII equivalent characters but watch out for the bad
592 * But watch out for the bad unprintable ones... 654 * unprintable ones (printable chars are 0x20 through 0x7E)
593 */ 655 */
594 acpi_os_printf (" "); 656 acpi_os_printf (" ");
595 for (j = 0; j < 16; j++) { 657 for (j = 0; j < 16; j++) {
@@ -599,9 +661,7 @@ acpi_ut_dump_buffer (
599 } 661 }
600 662
601 buf_char = buffer[i + j]; 663 buf_char = buffer[i + j];
602 if ((buf_char > 0x1F && buf_char < 0x2E) || 664 if (ACPI_IS_PRINT (buf_char)) {
603 (buf_char > 0x2F && buf_char < 0x61) ||
604 (buf_char > 0x60 && buf_char < 0x7F)) {
605 acpi_os_printf ("%c", buf_char); 665 acpi_os_printf ("%c", buf_char);
606 } 666 }
607 else { 667 else {
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index bc5403022681..eeafb324c504 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -435,35 +435,24 @@ acpi_ut_update_object_reference (
435 union acpi_operand_object *object, 435 union acpi_operand_object *object,
436 u16 action) 436 u16 action)
437{ 437{
438 acpi_status status; 438 acpi_status status = AE_OK;
439 u32 i; 439 union acpi_generic_state *state_list = NULL;
440 union acpi_generic_state *state_list = NULL; 440 union acpi_operand_object *next_object = NULL;
441 union acpi_generic_state *state; 441 union acpi_generic_state *state;
442 union acpi_operand_object *tmp; 442 acpi_native_uint i;
443
444 ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
445 443
446 444
447 /* Ignore a null object ptr */ 445 ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
448
449 if (!object) {
450 return_ACPI_STATUS (AE_OK);
451 }
452 446
453 /* Make sure that this isn't a namespace handle */
454 447
455 if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) { 448 while (object) {
456 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, 449 /* Make sure that this isn't a namespace handle */
457 "Object %p is NS handle\n", object));
458 return_ACPI_STATUS (AE_OK);
459 }
460 450
461 state = acpi_ut_create_update_state (object, action); 451 if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
462 452 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
463 while (state) { 453 "Object %p is NS handle\n", object));
464 object = state->update.object; 454 return_ACPI_STATUS (AE_OK);
465 action = state->update.value; 455 }
466 acpi_ut_delete_generic_state (state);
467 456
468 /* 457 /*
469 * All sub-objects must have their reference count incremented also. 458 * All sub-objects must have their reference count incremented also.
@@ -472,24 +461,14 @@ acpi_ut_update_object_reference (
472 switch (ACPI_GET_OBJECT_TYPE (object)) { 461 switch (ACPI_GET_OBJECT_TYPE (object)) {
473 case ACPI_TYPE_DEVICE: 462 case ACPI_TYPE_DEVICE:
474 463
475 tmp = object->device.system_notify; 464 acpi_ut_update_ref_count (object->device.system_notify, action);
476 if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT) 465 acpi_ut_update_ref_count (object->device.device_notify, action);
477 object->device.system_notify = NULL;
478 acpi_ut_update_ref_count (tmp, action);
479
480 tmp = object->device.device_notify;
481 if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
482 object->device.device_notify = NULL;
483 acpi_ut_update_ref_count (tmp, action);
484
485 break; 466 break;
486 467
487
488 case ACPI_TYPE_PACKAGE: 468 case ACPI_TYPE_PACKAGE:
489
490 /* 469 /*
491 * We must update all the sub-objects of the package 470 * We must update all the sub-objects of the package,
492 * (Each of whom may have their own sub-objects, etc. 471 * each of whom may have their own sub-objects.
493 */ 472 */
494 for (i = 0; i < object->package.count; i++) { 473 for (i = 0; i < object->package.count; i++) {
495 /* 474 /*
@@ -502,111 +481,52 @@ acpi_ut_update_object_reference (
502 if (ACPI_FAILURE (status)) { 481 if (ACPI_FAILURE (status)) {
503 goto error_exit; 482 goto error_exit;
504 } 483 }
505
506 tmp = object->package.elements[i];
507 if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
508 object->package.elements[i] = NULL;
509 } 484 }
510 break; 485 break;
511 486
512
513 case ACPI_TYPE_BUFFER_FIELD: 487 case ACPI_TYPE_BUFFER_FIELD:
514 488
515 status = acpi_ut_create_update_state_and_push ( 489 next_object = object->buffer_field.buffer_obj;
516 object->buffer_field.buffer_obj, action, &state_list);
517 if (ACPI_FAILURE (status)) {
518 goto error_exit;
519 }
520
521 tmp = object->buffer_field.buffer_obj;
522 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
523 object->buffer_field.buffer_obj = NULL;
524 break; 490 break;
525 491
526
527 case ACPI_TYPE_LOCAL_REGION_FIELD: 492 case ACPI_TYPE_LOCAL_REGION_FIELD:
528 493
529 status = acpi_ut_create_update_state_and_push ( 494 next_object = object->field.region_obj;
530 object->field.region_obj, action, &state_list); 495 break;
531 if (ACPI_FAILURE (status)) {
532 goto error_exit;
533 }
534
535 tmp = object->field.region_obj;
536 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
537 object->field.region_obj = NULL;
538 break;
539
540 496
541 case ACPI_TYPE_LOCAL_BANK_FIELD: 497 case ACPI_TYPE_LOCAL_BANK_FIELD:
542 498
543 status = acpi_ut_create_update_state_and_push ( 499 next_object = object->bank_field.bank_obj;
544 object->bank_field.bank_obj, action, &state_list);
545 if (ACPI_FAILURE (status)) {
546 goto error_exit;
547 }
548
549 tmp = object->bank_field.bank_obj;
550 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
551 object->bank_field.bank_obj = NULL;
552
553 status = acpi_ut_create_update_state_and_push ( 500 status = acpi_ut_create_update_state_and_push (
554 object->bank_field.region_obj, action, &state_list); 501 object->bank_field.region_obj, action, &state_list);
555 if (ACPI_FAILURE (status)) { 502 if (ACPI_FAILURE (status)) {
556 goto error_exit; 503 goto error_exit;
557 } 504 }
558
559 tmp = object->bank_field.region_obj;
560 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
561 object->bank_field.region_obj = NULL;
562 break; 505 break;
563 506
564
565 case ACPI_TYPE_LOCAL_INDEX_FIELD: 507 case ACPI_TYPE_LOCAL_INDEX_FIELD:
566 508
567 status = acpi_ut_create_update_state_and_push ( 509 next_object = object->index_field.index_obj;
568 object->index_field.index_obj, action, &state_list);
569 if (ACPI_FAILURE (status)) {
570 goto error_exit;
571 }
572
573 tmp = object->index_field.index_obj;
574 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
575 object->index_field.index_obj = NULL;
576
577 status = acpi_ut_create_update_state_and_push ( 510 status = acpi_ut_create_update_state_and_push (
578 object->index_field.data_obj, action, &state_list); 511 object->index_field.data_obj, action, &state_list);
579 if (ACPI_FAILURE (status)) { 512 if (ACPI_FAILURE (status)) {
580 goto error_exit; 513 goto error_exit;
581 } 514 }
582
583 tmp = object->index_field.data_obj;
584 if ( tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
585 object->index_field.data_obj = NULL;
586 break; 515 break;
587 516
588
589 case ACPI_TYPE_LOCAL_REFERENCE: 517 case ACPI_TYPE_LOCAL_REFERENCE:
590
591 /* 518 /*
592 * The target of an Index (a package, string, or buffer) must track 519 * The target of an Index (a package, string, or buffer) must track
593 * changes to the ref count of the index. 520 * changes to the ref count of the index.
594 */ 521 */
595 if (object->reference.opcode == AML_INDEX_OP) { 522 if (object->reference.opcode == AML_INDEX_OP) {
596 status = acpi_ut_create_update_state_and_push ( 523 next_object = object->reference.object;
597 object->reference.object, action, &state_list);
598 if (ACPI_FAILURE (status)) {
599 goto error_exit;
600 }
601 } 524 }
602 break; 525 break;
603 526
604
605 case ACPI_TYPE_REGION: 527 case ACPI_TYPE_REGION:
606 default: 528 default:
607 529 break;/* No subobjects */
608 /* No subobjects */
609 break;
610 } 530 }
611 531
612 /* 532 /*
@@ -615,15 +535,23 @@ acpi_ut_update_object_reference (
615 * main object to be deleted. 535 * main object to be deleted.
616 */ 536 */
617 acpi_ut_update_ref_count (object, action); 537 acpi_ut_update_ref_count (object, action);
538 object = NULL;
618 539
619 /* Move on to the next object to be updated */ 540 /* Move on to the next object to be updated */
620 541
621 state = acpi_ut_pop_generic_state (&state_list); 542 if (next_object) {
543 object = next_object;
544 next_object = NULL;
545 }
546 else if (state_list) {
547 state = acpi_ut_pop_generic_state (&state_list);
548 object = state->update.object;
549 acpi_ut_delete_generic_state (state);
550 }
622 } 551 }
623 552
624 return_ACPI_STATUS (AE_OK); 553 return_ACPI_STATUS (AE_OK);
625 554
626
627error_exit: 555error_exit:
628 556
629 ACPI_REPORT_ERROR (("Could not update object reference count, %s\n", 557 ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 4146019b543f..0e4161c81076 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -738,73 +738,6 @@ acpi_ut_valid_object_type (
738 738
739/******************************************************************************* 739/*******************************************************************************
740 * 740 *
741 * FUNCTION: acpi_ut_allocate_owner_id
742 *
743 * PARAMETERS: id_type - Type of ID (method or table)
744 *
745 * DESCRIPTION: Allocate a table or method owner id
746 *
747 * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and
748 * should be revisited (TBD)
749 *
750 ******************************************************************************/
751
752acpi_owner_id
753acpi_ut_allocate_owner_id (
754 u32 id_type)
755{
756 acpi_owner_id owner_id = 0xFFFF;
757
758
759 ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
760
761
762 if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
763 {
764 return (0);
765 }
766
767 switch (id_type)
768 {
769 case ACPI_OWNER_TYPE_TABLE:
770
771 owner_id = acpi_gbl_next_table_owner_id;
772 acpi_gbl_next_table_owner_id++;
773
774 /* Check for wraparound */
775
776 if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
777 {
778 acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
779 ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
780 }
781 break;
782
783
784 case ACPI_OWNER_TYPE_METHOD:
785
786 owner_id = acpi_gbl_next_method_owner_id;
787 acpi_gbl_next_method_owner_id++;
788
789 if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
790 {
791 /* Check for wraparound */
792
793 acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
794 }
795 break;
796
797 default:
798 break;
799 }
800
801 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
802 return_VALUE (owner_id);
803}
804
805
806/*******************************************************************************
807 *
808 * FUNCTION: acpi_ut_init_globals 741 * FUNCTION: acpi_ut_init_globals
809 * 742 *
810 * PARAMETERS: None 743 * PARAMETERS: None
@@ -820,42 +753,20 @@ void
820acpi_ut_init_globals ( 753acpi_ut_init_globals (
821 void) 754 void)
822{ 755{
756 acpi_status status;
823 u32 i; 757 u32 i;
824 758
825 759
826 ACPI_FUNCTION_TRACE ("ut_init_globals"); 760 ACPI_FUNCTION_TRACE ("ut_init_globals");
827 761
828 762
829 /* Memory allocation and cache lists */ 763 /* Create all memory caches */
830
831 ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
832 764
833 acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL); 765 status = acpi_ut_create_caches ();
834 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); 766 if (ACPI_FAILURE (status))
835 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL); 767 {
836 acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL); 768 return;
837 acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL); 769 }
838
839 acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size = sizeof (struct acpi_namespace_node);
840 acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size = sizeof (union acpi_generic_state);
841 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size = sizeof (struct acpi_parse_obj_common);
842 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
843 acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size = sizeof (union acpi_operand_object);
844 acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size = sizeof (struct acpi_walk_state);
845
846 acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth = ACPI_MAX_STATE_CACHE_DEPTH;
847 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
848 acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
849 acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
850 acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth = ACPI_MAX_WALK_CACHE_DEPTH;
851
852 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name = "Global Memory Allocation");
853 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name = "Namespace Nodes");
854 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name = "State Object Cache");
855 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name = "Parse Node Cache");
856 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
857 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name = "Operand Object Cache");
858 ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name = "Tree Walk Node Cache");
859 770
860 /* ACPI table structure */ 771 /* ACPI table structure */
861 772
@@ -870,7 +781,7 @@ acpi_ut_init_globals (
870 for (i = 0; i < NUM_MUTEX; i++) 781 for (i = 0; i < NUM_MUTEX; i++)
871 { 782 {
872 acpi_gbl_mutex_info[i].mutex = NULL; 783 acpi_gbl_mutex_info[i].mutex = NULL;
873 acpi_gbl_mutex_info[i].owner_id = ACPI_MUTEX_NOT_ACQUIRED; 784 acpi_gbl_mutex_info[i].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
874 acpi_gbl_mutex_info[i].use_count = 0; 785 acpi_gbl_mutex_info[i].use_count = 0;
875 } 786 }
876 787
@@ -911,8 +822,7 @@ acpi_ut_init_globals (
911 acpi_gbl_ns_lookup_count = 0; 822 acpi_gbl_ns_lookup_count = 0;
912 acpi_gbl_ps_find_count = 0; 823 acpi_gbl_ps_find_count = 0;
913 acpi_gbl_acpi_hardware_present = TRUE; 824 acpi_gbl_acpi_hardware_present = TRUE;
914 acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID; 825 acpi_gbl_owner_id_mask = 0;
915 acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
916 acpi_gbl_debugger_configuration = DEBUGGER_THREADING; 826 acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
917 acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT; 827 acpi_gbl_db_output_flags = ACPI_DB_CONSOLE_OUTPUT;
918 828
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 7f3713889ff0..fd7ceba83229 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -264,7 +264,7 @@ acpi_ut_subsystem_shutdown (
264 264
265 /* Purge the local caches */ 265 /* Purge the local caches */
266 266
267 (void) acpi_purge_cached_objects (); 267 (void) acpi_ut_delete_caches ();
268 268
269 /* Debug only - display leftover memory allocation, if any */ 269 /* Debug only - display leftover memory allocation, if any */
270 270
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f6de4ed3d527..1d350b302a34 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,15 +49,121 @@
49#define _COMPONENT ACPI_UTILITIES 49#define _COMPONENT ACPI_UTILITIES
50 ACPI_MODULE_NAME ("utmisc") 50 ACPI_MODULE_NAME ("utmisc")
51 51
52/* Local prototypes */
53 52
54static acpi_status 53/*******************************************************************************
55acpi_ut_create_mutex ( 54 *
56 acpi_mutex_handle mutex_id); 55 * FUNCTION: acpi_ut_allocate_owner_id
56 *
57 * PARAMETERS: owner_id - Where the new owner ID is returned
58 *
59 * RETURN: Status
60 *
61 * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
62 * track objects created by the table or method, to be deleted
63 * when the method exits or the table is unloaded.
64 *
65 ******************************************************************************/
66
67acpi_status
68acpi_ut_allocate_owner_id (
69 acpi_owner_id *owner_id)
70{
71 acpi_native_uint i;
72 acpi_status status;
73
74
75 ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
57 76
58static acpi_status 77
59acpi_ut_delete_mutex ( 78 /* Mutex for the global ID mask */
60 acpi_mutex_handle mutex_id); 79
80 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
81 if (ACPI_FAILURE (status)) {
82 return_ACPI_STATUS (status);
83 }
84
85 /* Find a free owner ID */
86
87 for (i = 0; i < 32; i++) {
88 if (!(acpi_gbl_owner_id_mask & (1 << i))) {
89 acpi_gbl_owner_id_mask |= (1 << i);
90 *owner_id = (acpi_owner_id) (i + 1);
91 goto exit;
92 }
93 }
94
95 /*
96 * If we are here, all owner_ids have been allocated. This probably should
97 * not happen since the IDs are reused after deallocation. The IDs are
98 * allocated upon table load (one per table) and method execution, and
99 * they are released when a table is unloaded or a method completes
100 * execution.
101 */
102 *owner_id = 0;
103 status = AE_OWNER_ID_LIMIT;
104 ACPI_REPORT_ERROR ((
105 "Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
106
107exit:
108 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
109 return_ACPI_STATUS (status);
110}
111
112
113/*******************************************************************************
114 *
115 * FUNCTION: acpi_ut_release_owner_id
116 *
117 * PARAMETERS: owner_id_ptr - Pointer to a previously allocated owner_iD
118 *
119 * RETURN: None. No error is returned because we are either exiting a
120 * control method or unloading a table. Either way, we would
121 * ignore any error anyway.
122 *
123 * DESCRIPTION: Release a table or method owner ID. Valid IDs are 1 - 32
124 *
125 ******************************************************************************/
126
127void
128acpi_ut_release_owner_id (
129 acpi_owner_id *owner_id_ptr)
130{
131 acpi_owner_id owner_id = *owner_id_ptr;
132 acpi_status status;
133
134
135 ACPI_FUNCTION_TRACE ("ut_release_owner_id");
136
137
138 /* Always clear the input owner_id (zero is an invalid ID) */
139
140 *owner_id_ptr = 0;
141
142 /* Zero is not a valid owner_iD */
143
144 if ((owner_id == 0) || (owner_id > 32)) {
145 ACPI_REPORT_ERROR (("Invalid owner_id: %2.2X\n", owner_id));
146 return_VOID;
147 }
148
149 /* Mutex for the global ID mask */
150
151 status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
152 if (ACPI_FAILURE (status)) {
153 return_VOID;
154 }
155
156 owner_id--; /* Normalize to zero */
157
158 /* Free the owner ID only if it is valid */
159
160 if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
161 acpi_gbl_owner_id_mask ^= (1 << owner_id);
162 }
163
164 (void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
165 return_VOID;
166}
61 167
62 168
63/******************************************************************************* 169/*******************************************************************************
@@ -66,7 +172,7 @@ acpi_ut_delete_mutex (
66 * 172 *
67 * PARAMETERS: src_string - The source string to convert 173 * PARAMETERS: src_string - The source string to convert
68 * 174 *
69 * RETURN: Converted src_string (same as input pointer) 175 * RETURN: None
70 * 176 *
71 * DESCRIPTION: Convert string to uppercase 177 * DESCRIPTION: Convert string to uppercase
72 * 178 *
@@ -74,7 +180,7 @@ acpi_ut_delete_mutex (
74 * 180 *
75 ******************************************************************************/ 181 ******************************************************************************/
76 182
77char * 183void
78acpi_ut_strupr ( 184acpi_ut_strupr (
79 char *src_string) 185 char *src_string)
80{ 186{
@@ -84,13 +190,17 @@ acpi_ut_strupr (
84 ACPI_FUNCTION_ENTRY (); 190 ACPI_FUNCTION_ENTRY ();
85 191
86 192
193 if (!src_string) {
194 return;
195 }
196
87 /* Walk entire string, uppercasing the letters */ 197 /* Walk entire string, uppercasing the letters */
88 198
89 for (string = src_string; *string; string++) { 199 for (string = src_string; *string; string++) {
90 *string = (char) ACPI_TOUPPER (*string); 200 *string = (char) ACPI_TOUPPER (*string);
91 } 201 }
92 202
93 return (src_string); 203 return;
94} 204}
95 205
96 206
@@ -543,320 +653,6 @@ error_exit:
543 653
544/******************************************************************************* 654/*******************************************************************************
545 * 655 *
546 * FUNCTION: acpi_ut_mutex_initialize
547 *
548 * PARAMETERS: None.
549 *
550 * RETURN: Status
551 *
552 * DESCRIPTION: Create the system mutex objects.
553 *
554 ******************************************************************************/
555
556acpi_status
557acpi_ut_mutex_initialize (
558 void)
559{
560 u32 i;
561 acpi_status status;
562
563
564 ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
565
566
567 /*
568 * Create each of the predefined mutex objects
569 */
570 for (i = 0; i < NUM_MUTEX; i++) {
571 status = acpi_ut_create_mutex (i);
572 if (ACPI_FAILURE (status)) {
573 return_ACPI_STATUS (status);
574 }
575 }
576
577 status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
578 return_ACPI_STATUS (status);
579}
580
581
582/*******************************************************************************
583 *
584 * FUNCTION: acpi_ut_mutex_terminate
585 *
586 * PARAMETERS: None.
587 *
588 * RETURN: None.
589 *
590 * DESCRIPTION: Delete all of the system mutex objects.
591 *
592 ******************************************************************************/
593
594void
595acpi_ut_mutex_terminate (
596 void)
597{
598 u32 i;
599
600
601 ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
602
603
604 /*
605 * Delete each predefined mutex object
606 */
607 for (i = 0; i < NUM_MUTEX; i++) {
608 (void) acpi_ut_delete_mutex (i);
609 }
610
611 acpi_os_delete_lock (acpi_gbl_gpe_lock);
612 return_VOID;
613}
614
615
616/*******************************************************************************
617 *
618 * FUNCTION: acpi_ut_create_mutex
619 *
620 * PARAMETERS: mutex_iD - ID of the mutex to be created
621 *
622 * RETURN: Status
623 *
624 * DESCRIPTION: Create a mutex object.
625 *
626 ******************************************************************************/
627
628static acpi_status
629acpi_ut_create_mutex (
630 acpi_mutex_handle mutex_id)
631{
632 acpi_status status = AE_OK;
633
634
635 ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
636
637
638 if (mutex_id > MAX_MUTEX) {
639 return_ACPI_STATUS (AE_BAD_PARAMETER);
640 }
641
642 if (!acpi_gbl_mutex_info[mutex_id].mutex) {
643 status = acpi_os_create_semaphore (1, 1,
644 &acpi_gbl_mutex_info[mutex_id].mutex);
645 acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
646 acpi_gbl_mutex_info[mutex_id].use_count = 0;
647 }
648
649 return_ACPI_STATUS (status);
650}
651
652
653/*******************************************************************************
654 *
655 * FUNCTION: acpi_ut_delete_mutex
656 *
657 * PARAMETERS: mutex_iD - ID of the mutex to be deleted
658 *
659 * RETURN: Status
660 *
661 * DESCRIPTION: Delete a mutex object.
662 *
663 ******************************************************************************/
664
665static acpi_status
666acpi_ut_delete_mutex (
667 acpi_mutex_handle mutex_id)
668{
669 acpi_status status;
670
671
672 ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
673
674
675 if (mutex_id > MAX_MUTEX) {
676 return_ACPI_STATUS (AE_BAD_PARAMETER);
677 }
678
679 status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
680
681 acpi_gbl_mutex_info[mutex_id].mutex = NULL;
682 acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
683
684 return_ACPI_STATUS (status);
685}
686
687
688/*******************************************************************************
689 *
690 * FUNCTION: acpi_ut_acquire_mutex
691 *
692 * PARAMETERS: mutex_iD - ID of the mutex to be acquired
693 *
694 * RETURN: Status
695 *
696 * DESCRIPTION: Acquire a mutex object.
697 *
698 ******************************************************************************/
699
700acpi_status
701acpi_ut_acquire_mutex (
702 acpi_mutex_handle mutex_id)
703{
704 acpi_status status;
705 u32 this_thread_id;
706
707
708 ACPI_FUNCTION_NAME ("ut_acquire_mutex");
709
710
711 if (mutex_id > MAX_MUTEX) {
712 return (AE_BAD_PARAMETER);
713 }
714
715 this_thread_id = acpi_os_get_thread_id ();
716
717#ifdef ACPI_MUTEX_DEBUG
718 {
719 u32 i;
720 /*
721 * Mutex debug code, for internal debugging only.
722 *
723 * Deadlock prevention. Check if this thread owns any mutexes of value
724 * greater than or equal to this one. If so, the thread has violated
725 * the mutex ordering rule. This indicates a coding error somewhere in
726 * the ACPI subsystem code.
727 */
728 for (i = mutex_id; i < MAX_MUTEX; i++) {
729 if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
730 if (i == mutex_id) {
731 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
732 "Mutex [%s] already acquired by this thread [%X]\n",
733 acpi_ut_get_mutex_name (mutex_id), this_thread_id));
734
735 return (AE_ALREADY_ACQUIRED);
736 }
737
738 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
739 "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
740 this_thread_id, acpi_ut_get_mutex_name (i),
741 acpi_ut_get_mutex_name (mutex_id)));
742
743 return (AE_ACQUIRE_DEADLOCK);
744 }
745 }
746 }
747#endif
748
749 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
750 "Thread %X attempting to acquire Mutex [%s]\n",
751 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
752
753 status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
754 1, ACPI_WAIT_FOREVER);
755 if (ACPI_SUCCESS (status)) {
756 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
757 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
758
759 acpi_gbl_mutex_info[mutex_id].use_count++;
760 acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
761 }
762 else {
763 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
764 "Thread %X could not acquire Mutex [%s] %s\n",
765 this_thread_id, acpi_ut_get_mutex_name (mutex_id),
766 acpi_format_exception (status)));
767 }
768
769 return (status);
770}
771
772
773/*******************************************************************************
774 *
775 * FUNCTION: acpi_ut_release_mutex
776 *
777 * PARAMETERS: mutex_iD - ID of the mutex to be released
778 *
779 * RETURN: Status
780 *
781 * DESCRIPTION: Release a mutex object.
782 *
783 ******************************************************************************/
784
785acpi_status
786acpi_ut_release_mutex (
787 acpi_mutex_handle mutex_id)
788{
789 acpi_status status;
790 u32 i;
791 u32 this_thread_id;
792
793
794 ACPI_FUNCTION_NAME ("ut_release_mutex");
795
796
797 this_thread_id = acpi_os_get_thread_id ();
798 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
799 "Thread %X releasing Mutex [%s]\n", this_thread_id,
800 acpi_ut_get_mutex_name (mutex_id)));
801
802 if (mutex_id > MAX_MUTEX) {
803 return (AE_BAD_PARAMETER);
804 }
805
806 /*
807 * Mutex must be acquired in order to release it!
808 */
809 if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
810 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
811 "Mutex [%s] is not acquired, cannot release\n",
812 acpi_ut_get_mutex_name (mutex_id)));
813
814 return (AE_NOT_ACQUIRED);
815 }
816
817 /*
818 * Deadlock prevention. Check if this thread owns any mutexes of value
819 * greater than this one. If so, the thread has violated the mutex
820 * ordering rule. This indicates a coding error somewhere in
821 * the ACPI subsystem code.
822 */
823 for (i = mutex_id; i < MAX_MUTEX; i++) {
824 if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
825 if (i == mutex_id) {
826 continue;
827 }
828
829 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
830 "Invalid release order: owns [%s], releasing [%s]\n",
831 acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
832
833 return (AE_RELEASE_DEADLOCK);
834 }
835 }
836
837 /* Mark unlocked FIRST */
838
839 acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
840
841 status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
842
843 if (ACPI_FAILURE (status)) {
844 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
845 "Thread %X could not release Mutex [%s] %s\n",
846 this_thread_id, acpi_ut_get_mutex_name (mutex_id),
847 acpi_format_exception (status)));
848 }
849 else {
850 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
851 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
852 }
853
854 return (status);
855}
856
857
858/*******************************************************************************
859 *
860 * FUNCTION: acpi_ut_create_update_state_and_push 656 * FUNCTION: acpi_ut_create_update_state_and_push
861 * 657 *
862 * PARAMETERS: Object - Object to be added to the new state 658 * PARAMETERS: Object - Object to be added to the new state
@@ -899,361 +695,6 @@ acpi_ut_create_update_state_and_push (
899 695
900/******************************************************************************* 696/*******************************************************************************
901 * 697 *
902 * FUNCTION: acpi_ut_create_pkg_state_and_push
903 *
904 * PARAMETERS: Object - Object to be added to the new state
905 * Action - Increment/Decrement
906 * state_list - List the state will be added to
907 *
908 * RETURN: Status
909 *
910 * DESCRIPTION: Create a new state and push it
911 *
912 ******************************************************************************/
913
914#ifdef ACPI_FUTURE_USAGE
915acpi_status
916acpi_ut_create_pkg_state_and_push (
917 void *internal_object,
918 void *external_object,
919 u16 index,
920 union acpi_generic_state **state_list)
921{
922 union acpi_generic_state *state;
923
924
925 ACPI_FUNCTION_ENTRY ();
926
927
928 state = acpi_ut_create_pkg_state (internal_object, external_object, index);
929 if (!state) {
930 return (AE_NO_MEMORY);
931 }
932
933 acpi_ut_push_generic_state (state_list, state);
934 return (AE_OK);
935}
936#endif /* ACPI_FUTURE_USAGE */
937
938/*******************************************************************************
939 *
940 * FUNCTION: acpi_ut_push_generic_state
941 *
942 * PARAMETERS: list_head - Head of the state stack
943 * State - State object to push
944 *
945 * RETURN: None
946 *
947 * DESCRIPTION: Push a state object onto a state stack
948 *
949 ******************************************************************************/
950
951void
952acpi_ut_push_generic_state (
953 union acpi_generic_state **list_head,
954 union acpi_generic_state *state)
955{
956 ACPI_FUNCTION_TRACE ("ut_push_generic_state");
957
958
959 /* Push the state object onto the front of the list (stack) */
960
961 state->common.next = *list_head;
962 *list_head = state;
963
964 return_VOID;
965}
966
967
968/*******************************************************************************
969 *
970 * FUNCTION: acpi_ut_pop_generic_state
971 *
972 * PARAMETERS: list_head - Head of the state stack
973 *
974 * RETURN: The popped state object
975 *
976 * DESCRIPTION: Pop a state object from a state stack
977 *
978 ******************************************************************************/
979
980union acpi_generic_state *
981acpi_ut_pop_generic_state (
982 union acpi_generic_state **list_head)
983{
984 union acpi_generic_state *state;
985
986
987 ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
988
989
990 /* Remove the state object at the head of the list (stack) */
991
992 state = *list_head;
993 if (state) {
994 /* Update the list head */
995
996 *list_head = state->common.next;
997 }
998
999 return_PTR (state);
1000}
1001
1002
1003/*******************************************************************************
1004 *
1005 * FUNCTION: acpi_ut_create_generic_state
1006 *
1007 * PARAMETERS: None
1008 *
1009 * RETURN: The new state object. NULL on failure.
1010 *
1011 * DESCRIPTION: Create a generic state object. Attempt to obtain one from
1012 * the global state cache; If none available, create a new one.
1013 *
1014 ******************************************************************************/
1015
1016union acpi_generic_state *
1017acpi_ut_create_generic_state (
1018 void)
1019{
1020 union acpi_generic_state *state;
1021
1022
1023 ACPI_FUNCTION_ENTRY ();
1024
1025
1026 state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE);
1027
1028 /* Initialize */
1029
1030 if (state) {
1031 state->common.data_type = ACPI_DESC_TYPE_STATE;
1032 }
1033
1034 return (state);
1035}
1036
1037
1038/*******************************************************************************
1039 *
1040 * FUNCTION: acpi_ut_create_thread_state
1041 *
1042 * PARAMETERS: None
1043 *
1044 * RETURN: New Thread State. NULL on failure
1045 *
1046 * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
1047 * to track per-thread info during method execution
1048 *
1049 ******************************************************************************/
1050
1051struct acpi_thread_state *
1052acpi_ut_create_thread_state (
1053 void)
1054{
1055 union acpi_generic_state *state;
1056
1057
1058 ACPI_FUNCTION_TRACE ("ut_create_thread_state");
1059
1060
1061 /* Create the generic state object */
1062
1063 state = acpi_ut_create_generic_state ();
1064 if (!state) {
1065 return_PTR (NULL);
1066 }
1067
1068 /* Init fields specific to the update struct */
1069
1070 state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
1071 state->thread.thread_id = acpi_os_get_thread_id ();
1072
1073 return_PTR ((struct acpi_thread_state *) state);
1074}
1075
1076
1077/*******************************************************************************
1078 *
1079 * FUNCTION: acpi_ut_create_update_state
1080 *
1081 * PARAMETERS: Object - Initial Object to be installed in the state
1082 * Action - Update action to be performed
1083 *
1084 * RETURN: New state object, null on failure
1085 *
1086 * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
1087 * to update reference counts and delete complex objects such
1088 * as packages.
1089 *
1090 ******************************************************************************/
1091
1092union acpi_generic_state *
1093acpi_ut_create_update_state (
1094 union acpi_operand_object *object,
1095 u16 action)
1096{
1097 union acpi_generic_state *state;
1098
1099
1100 ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
1101
1102
1103 /* Create the generic state object */
1104
1105 state = acpi_ut_create_generic_state ();
1106 if (!state) {
1107 return_PTR (NULL);
1108 }
1109
1110 /* Init fields specific to the update struct */
1111
1112 state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
1113 state->update.object = object;
1114 state->update.value = action;
1115
1116 return_PTR (state);
1117}
1118
1119
1120/*******************************************************************************
1121 *
1122 * FUNCTION: acpi_ut_create_pkg_state
1123 *
1124 * PARAMETERS: Object - Initial Object to be installed in the state
1125 * Action - Update action to be performed
1126 *
1127 * RETURN: New state object, null on failure
1128 *
1129 * DESCRIPTION: Create a "Package State"
1130 *
1131 ******************************************************************************/
1132
1133union acpi_generic_state *
1134acpi_ut_create_pkg_state (
1135 void *internal_object,
1136 void *external_object,
1137 u16 index)
1138{
1139 union acpi_generic_state *state;
1140
1141
1142 ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
1143
1144
1145 /* Create the generic state object */
1146
1147 state = acpi_ut_create_generic_state ();
1148 if (!state) {
1149 return_PTR (NULL);
1150 }
1151
1152 /* Init fields specific to the update struct */
1153
1154 state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
1155 state->pkg.source_object = (union acpi_operand_object *) internal_object;
1156 state->pkg.dest_object = external_object;
1157 state->pkg.index = index;
1158 state->pkg.num_packages = 1;
1159
1160 return_PTR (state);
1161}
1162
1163
1164/*******************************************************************************
1165 *
1166 * FUNCTION: acpi_ut_create_control_state
1167 *
1168 * PARAMETERS: None
1169 *
1170 * RETURN: New state object, null on failure
1171 *
1172 * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
1173 * to support nested IF/WHILE constructs in the AML.
1174 *
1175 ******************************************************************************/
1176
1177union acpi_generic_state *
1178acpi_ut_create_control_state (
1179 void)
1180{
1181 union acpi_generic_state *state;
1182
1183
1184 ACPI_FUNCTION_TRACE ("ut_create_control_state");
1185
1186
1187 /* Create the generic state object */
1188
1189 state = acpi_ut_create_generic_state ();
1190 if (!state) {
1191 return_PTR (NULL);
1192 }
1193
1194 /* Init fields specific to the control struct */
1195
1196 state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
1197 state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
1198
1199 return_PTR (state);
1200}
1201
1202
1203/*******************************************************************************
1204 *
1205 * FUNCTION: acpi_ut_delete_generic_state
1206 *
1207 * PARAMETERS: State - The state object to be deleted
1208 *
1209 * RETURN: None
1210 *
1211 * DESCRIPTION: Put a state object back into the global state cache. The object
1212 * is not actually freed at this time.
1213 *
1214 ******************************************************************************/
1215
1216void
1217acpi_ut_delete_generic_state (
1218 union acpi_generic_state *state)
1219{
1220 ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
1221
1222
1223 acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state);
1224 return_VOID;
1225}
1226
1227
1228#ifdef ACPI_ENABLE_OBJECT_CACHE
1229/*******************************************************************************
1230 *
1231 * FUNCTION: acpi_ut_delete_generic_state_cache
1232 *
1233 * PARAMETERS: None
1234 *
1235 * RETURN: None
1236 *
1237 * DESCRIPTION: Purge the global state object cache. Used during subsystem
1238 * termination.
1239 *
1240 ******************************************************************************/
1241
1242void
1243acpi_ut_delete_generic_state_cache (
1244 void)
1245{
1246 ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache");
1247
1248
1249 acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE);
1250 return_VOID;
1251}
1252#endif
1253
1254
1255/*******************************************************************************
1256 *
1257 * FUNCTION: acpi_ut_walk_package_tree 698 * FUNCTION: acpi_ut_walk_package_tree
1258 * 699 *
1259 * PARAMETERS: source_object - The package to walk 700 * PARAMETERS: source_object - The package to walk
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
new file mode 100644
index 000000000000..0699b6be62b6
--- /dev/null
+++ b/drivers/acpi/utilities/utmutex.c
@@ -0,0 +1,380 @@
1/*******************************************************************************
2 *
3 * Module Name: utmutex - local mutex support
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45#include <acpi/acpi.h>
46
47#define _COMPONENT ACPI_UTILITIES
48 ACPI_MODULE_NAME ("utmutex")
49
50/* Local prototypes */
51
52static acpi_status
53acpi_ut_create_mutex (
54 acpi_mutex_handle mutex_id);
55
56static acpi_status
57acpi_ut_delete_mutex (
58 acpi_mutex_handle mutex_id);
59
60
61/*******************************************************************************
62 *
63 * FUNCTION: acpi_ut_mutex_initialize
64 *
65 * PARAMETERS: None.
66 *
67 * RETURN: Status
68 *
69 * DESCRIPTION: Create the system mutex objects.
70 *
71 ******************************************************************************/
72
73acpi_status
74acpi_ut_mutex_initialize (
75 void)
76{
77 u32 i;
78 acpi_status status;
79
80
81 ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
82
83
84 /*
85 * Create each of the predefined mutex objects
86 */
87 for (i = 0; i < NUM_MUTEX; i++) {
88 status = acpi_ut_create_mutex (i);
89 if (ACPI_FAILURE (status)) {
90 return_ACPI_STATUS (status);
91 }
92 }
93
94 status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
95 return_ACPI_STATUS (status);
96}
97
98
99/*******************************************************************************
100 *
101 * FUNCTION: acpi_ut_mutex_terminate
102 *
103 * PARAMETERS: None.
104 *
105 * RETURN: None.
106 *
107 * DESCRIPTION: Delete all of the system mutex objects.
108 *
109 ******************************************************************************/
110
111void
112acpi_ut_mutex_terminate (
113 void)
114{
115 u32 i;
116
117
118 ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
119
120
121 /*
122 * Delete each predefined mutex object
123 */
124 for (i = 0; i < NUM_MUTEX; i++) {
125 (void) acpi_ut_delete_mutex (i);
126 }
127
128 acpi_os_delete_lock (acpi_gbl_gpe_lock);
129 return_VOID;
130}
131
132
133/*******************************************************************************
134 *
135 * FUNCTION: acpi_ut_create_mutex
136 *
137 * PARAMETERS: mutex_iD - ID of the mutex to be created
138 *
139 * RETURN: Status
140 *
141 * DESCRIPTION: Create a mutex object.
142 *
143 ******************************************************************************/
144
145static acpi_status
146acpi_ut_create_mutex (
147 acpi_mutex_handle mutex_id)
148{
149 acpi_status status = AE_OK;
150
151
152 ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
153
154
155 if (mutex_id > MAX_MUTEX) {
156 return_ACPI_STATUS (AE_BAD_PARAMETER);
157 }
158
159 if (!acpi_gbl_mutex_info[mutex_id].mutex) {
160 status = acpi_os_create_semaphore (1, 1,
161 &acpi_gbl_mutex_info[mutex_id].mutex);
162 acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
163 acpi_gbl_mutex_info[mutex_id].use_count = 0;
164 }
165
166 return_ACPI_STATUS (status);
167}
168
169
170/*******************************************************************************
171 *
172 * FUNCTION: acpi_ut_delete_mutex
173 *
174 * PARAMETERS: mutex_iD - ID of the mutex to be deleted
175 *
176 * RETURN: Status
177 *
178 * DESCRIPTION: Delete a mutex object.
179 *
180 ******************************************************************************/
181
182static acpi_status
183acpi_ut_delete_mutex (
184 acpi_mutex_handle mutex_id)
185{
186 acpi_status status;
187
188
189 ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
190
191
192 if (mutex_id > MAX_MUTEX) {
193 return_ACPI_STATUS (AE_BAD_PARAMETER);
194 }
195
196 status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
197
198 acpi_gbl_mutex_info[mutex_id].mutex = NULL;
199 acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
200
201 return_ACPI_STATUS (status);
202}
203
204
205/*******************************************************************************
206 *
207 * FUNCTION: acpi_ut_acquire_mutex
208 *
209 * PARAMETERS: mutex_iD - ID of the mutex to be acquired
210 *
211 * RETURN: Status
212 *
213 * DESCRIPTION: Acquire a mutex object.
214 *
215 ******************************************************************************/
216
217acpi_status
218acpi_ut_acquire_mutex (
219 acpi_mutex_handle mutex_id)
220{
221 acpi_status status;
222 u32 this_thread_id;
223
224
225 ACPI_FUNCTION_NAME ("ut_acquire_mutex");
226
227
228 if (mutex_id > MAX_MUTEX) {
229 return (AE_BAD_PARAMETER);
230 }
231
232 this_thread_id = acpi_os_get_thread_id ();
233
234#ifdef ACPI_MUTEX_DEBUG
235 {
236 u32 i;
237 /*
238 * Mutex debug code, for internal debugging only.
239 *
240 * Deadlock prevention. Check if this thread owns any mutexes of value
241 * greater than or equal to this one. If so, the thread has violated
242 * the mutex ordering rule. This indicates a coding error somewhere in
243 * the ACPI subsystem code.
244 */
245 for (i = mutex_id; i < MAX_MUTEX; i++) {
246 if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
247 if (i == mutex_id) {
248 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
249 "Mutex [%s] already acquired by this thread [%X]\n",
250 acpi_ut_get_mutex_name (mutex_id), this_thread_id));
251
252 return (AE_ALREADY_ACQUIRED);
253 }
254
255 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
256 "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
257 this_thread_id, acpi_ut_get_mutex_name (i),
258 acpi_ut_get_mutex_name (mutex_id)));
259
260 return (AE_ACQUIRE_DEADLOCK);
261 }
262 }
263 }
264#endif
265
266 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
267 "Thread %X attempting to acquire Mutex [%s]\n",
268 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
269
270 status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
271 1, ACPI_WAIT_FOREVER);
272 if (ACPI_SUCCESS (status)) {
273 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
274 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
275
276 acpi_gbl_mutex_info[mutex_id].use_count++;
277 acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
278 }
279 else {
280 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
281 "Thread %X could not acquire Mutex [%s] %s\n",
282 this_thread_id, acpi_ut_get_mutex_name (mutex_id),
283 acpi_format_exception (status)));
284 }
285
286 return (status);
287}
288
289
290/*******************************************************************************
291 *
292 * FUNCTION: acpi_ut_release_mutex
293 *
294 * PARAMETERS: mutex_iD - ID of the mutex to be released
295 *
296 * RETURN: Status
297 *
298 * DESCRIPTION: Release a mutex object.
299 *
300 ******************************************************************************/
301
302acpi_status
303acpi_ut_release_mutex (
304 acpi_mutex_handle mutex_id)
305{
306 acpi_status status;
307 u32 this_thread_id;
308
309
310 ACPI_FUNCTION_NAME ("ut_release_mutex");
311
312
313 this_thread_id = acpi_os_get_thread_id ();
314 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
315 "Thread %X releasing Mutex [%s]\n", this_thread_id,
316 acpi_ut_get_mutex_name (mutex_id)));
317
318 if (mutex_id > MAX_MUTEX) {
319 return (AE_BAD_PARAMETER);
320 }
321
322 /*
323 * Mutex must be acquired in order to release it!
324 */
325 if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
326 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
327 "Mutex [%s] is not acquired, cannot release\n",
328 acpi_ut_get_mutex_name (mutex_id)));
329
330 return (AE_NOT_ACQUIRED);
331 }
332
333#ifdef ACPI_MUTEX_DEBUG
334 {
335 u32 i;
336 /*
337 * Mutex debug code, for internal debugging only.
338 *
339 * Deadlock prevention. Check if this thread owns any mutexes of value
340 * greater than this one. If so, the thread has violated the mutex
341 * ordering rule. This indicates a coding error somewhere in
342 * the ACPI subsystem code.
343 */
344 for (i = mutex_id; i < MAX_MUTEX; i++) {
345 if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
346 if (i == mutex_id) {
347 continue;
348 }
349
350 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
351 "Invalid release order: owns [%s], releasing [%s]\n",
352 acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
353
354 return (AE_RELEASE_DEADLOCK);
355 }
356 }
357 }
358#endif
359
360 /* Mark unlocked FIRST */
361
362 acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
363
364 status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
365
366 if (ACPI_FAILURE (status)) {
367 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
368 "Thread %X could not release Mutex [%s] %s\n",
369 this_thread_id, acpi_ut_get_mutex_name (mutex_id),
370 acpi_format_exception (status)));
371 }
372 else {
373 ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
374 this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
375 }
376
377 return (status);
378}
379
380
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index cd3899b9cc5a..19178e142951 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -338,7 +338,7 @@ acpi_ut_allocate_object_desc_dbg (
338 ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg"); 338 ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg");
339 339
340 340
341 object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND); 341 object = acpi_os_acquire_object (acpi_gbl_operand_cache);
342 if (!object) { 342 if (!object) {
343 _ACPI_REPORT_ERROR (module_name, line_number, component_id, 343 _ACPI_REPORT_ERROR (module_name, line_number, component_id,
344 ("Could not allocate an object descriptor\n")); 344 ("Could not allocate an object descriptor\n"));
@@ -347,7 +347,7 @@ acpi_ut_allocate_object_desc_dbg (
347 } 347 }
348 348
349 /* Mark the descriptor type */ 349 /* Mark the descriptor type */
350 350 memset(object, 0, sizeof(union acpi_operand_object));
351 ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND); 351 ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND);
352 352
353 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n", 353 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
@@ -385,37 +385,9 @@ acpi_ut_delete_object_desc (
385 return_VOID; 385 return_VOID;
386 } 386 }
387 387
388 acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object); 388 (void) acpi_os_release_object (acpi_gbl_operand_cache, object);
389
390 return_VOID;
391}
392
393
394#ifdef ACPI_ENABLE_OBJECT_CACHE
395/*******************************************************************************
396 *
397 * FUNCTION: acpi_ut_delete_object_cache
398 *
399 * PARAMETERS: None
400 *
401 * RETURN: None
402 *
403 * DESCRIPTION: Purge the global state object cache. Used during subsystem
404 * termination.
405 *
406 ******************************************************************************/
407
408void
409acpi_ut_delete_object_cache (
410 void)
411{
412 ACPI_FUNCTION_TRACE ("ut_delete_object_cache");
413
414
415 acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND);
416 return_VOID; 389 return_VOID;
417} 390}
418#endif
419 391
420 392
421/******************************************************************************* 393/*******************************************************************************
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
new file mode 100644
index 000000000000..192e7ac95690
--- /dev/null
+++ b/drivers/acpi/utilities/utstate.c
@@ -0,0 +1,376 @@
1/*******************************************************************************
2 *
3 * Module Name: utstate - state object support procedures
4 *
5 ******************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2005, R. Byron Moore
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44
45#include <acpi/acpi.h>
46
47#define _COMPONENT ACPI_UTILITIES
48 ACPI_MODULE_NAME ("utstate")
49
50
51/*******************************************************************************
52 *
53 * FUNCTION: acpi_ut_create_pkg_state_and_push
54 *
55 * PARAMETERS: Object - Object to be added to the new state
56 * Action - Increment/Decrement
57 * state_list - List the state will be added to
58 *
59 * RETURN: Status
60 *
61 * DESCRIPTION: Create a new state and push it
62 *
63 ******************************************************************************/
64
65acpi_status
66acpi_ut_create_pkg_state_and_push (
67 void *internal_object,
68 void *external_object,
69 u16 index,
70 union acpi_generic_state **state_list)
71{
72 union acpi_generic_state *state;
73
74
75 ACPI_FUNCTION_ENTRY ();
76
77
78 state = acpi_ut_create_pkg_state (internal_object, external_object, index);
79 if (!state) {
80 return (AE_NO_MEMORY);
81 }
82
83 acpi_ut_push_generic_state (state_list, state);
84 return (AE_OK);
85}
86
87
88/*******************************************************************************
89 *
90 * FUNCTION: acpi_ut_push_generic_state
91 *
92 * PARAMETERS: list_head - Head of the state stack
93 * State - State object to push
94 *
95 * RETURN: None
96 *
97 * DESCRIPTION: Push a state object onto a state stack
98 *
99 ******************************************************************************/
100
101void
102acpi_ut_push_generic_state (
103 union acpi_generic_state **list_head,
104 union acpi_generic_state *state)
105{
106 ACPI_FUNCTION_TRACE ("ut_push_generic_state");
107
108
109 /* Push the state object onto the front of the list (stack) */
110
111 state->common.next = *list_head;
112 *list_head = state;
113
114 return_VOID;
115}
116
117
118/*******************************************************************************
119 *
120 * FUNCTION: acpi_ut_pop_generic_state
121 *
122 * PARAMETERS: list_head - Head of the state stack
123 *
124 * RETURN: The popped state object
125 *
126 * DESCRIPTION: Pop a state object from a state stack
127 *
128 ******************************************************************************/
129
130union acpi_generic_state *
131acpi_ut_pop_generic_state (
132 union acpi_generic_state **list_head)
133{
134 union acpi_generic_state *state;
135
136
137 ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
138
139
140 /* Remove the state object at the head of the list (stack) */
141
142 state = *list_head;
143 if (state) {
144 /* Update the list head */
145
146 *list_head = state->common.next;
147 }
148
149 return_PTR (state);
150}
151
152
153/*******************************************************************************
154 *
155 * FUNCTION: acpi_ut_create_generic_state
156 *
157 * PARAMETERS: None
158 *
159 * RETURN: The new state object. NULL on failure.
160 *
161 * DESCRIPTION: Create a generic state object. Attempt to obtain one from
162 * the global state cache; If none available, create a new one.
163 *
164 ******************************************************************************/
165
166union acpi_generic_state *
167acpi_ut_create_generic_state (
168 void)
169{
170 union acpi_generic_state *state;
171
172
173 ACPI_FUNCTION_ENTRY ();
174
175
176 state = acpi_os_acquire_object (acpi_gbl_state_cache);
177 if (state) {
178 /* Initialize */
179 memset(state, 0, sizeof(union acpi_generic_state));
180 state->common.data_type = ACPI_DESC_TYPE_STATE;
181 }
182
183 return (state);
184}
185
186
187/*******************************************************************************
188 *
189 * FUNCTION: acpi_ut_create_thread_state
190 *
191 * PARAMETERS: None
192 *
193 * RETURN: New Thread State. NULL on failure
194 *
195 * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
196 * to track per-thread info during method execution
197 *
198 ******************************************************************************/
199
200struct acpi_thread_state *
201acpi_ut_create_thread_state (
202 void)
203{
204 union acpi_generic_state *state;
205
206
207 ACPI_FUNCTION_TRACE ("ut_create_thread_state");
208
209
210 /* Create the generic state object */
211
212 state = acpi_ut_create_generic_state ();
213 if (!state) {
214 return_PTR (NULL);
215 }
216
217 /* Init fields specific to the update struct */
218
219 state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
220 state->thread.thread_id = acpi_os_get_thread_id ();
221
222 return_PTR ((struct acpi_thread_state *) state);
223}
224
225
226/*******************************************************************************
227 *
228 * FUNCTION: acpi_ut_create_update_state
229 *
230 * PARAMETERS: Object - Initial Object to be installed in the state
231 * Action - Update action to be performed
232 *
233 * RETURN: New state object, null on failure
234 *
235 * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
236 * to update reference counts and delete complex objects such
237 * as packages.
238 *
239 ******************************************************************************/
240
241union acpi_generic_state *
242acpi_ut_create_update_state (
243 union acpi_operand_object *object,
244 u16 action)
245{
246 union acpi_generic_state *state;
247
248
249 ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
250
251
252 /* Create the generic state object */
253
254 state = acpi_ut_create_generic_state ();
255 if (!state) {
256 return_PTR (NULL);
257 }
258
259 /* Init fields specific to the update struct */
260
261 state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
262 state->update.object = object;
263 state->update.value = action;
264
265 return_PTR (state);
266}
267
268
269/*******************************************************************************
270 *
271 * FUNCTION: acpi_ut_create_pkg_state
272 *
273 * PARAMETERS: Object - Initial Object to be installed in the state
274 * Action - Update action to be performed
275 *
276 * RETURN: New state object, null on failure
277 *
278 * DESCRIPTION: Create a "Package State"
279 *
280 ******************************************************************************/
281
282union acpi_generic_state *
283acpi_ut_create_pkg_state (
284 void *internal_object,
285 void *external_object,
286 u16 index)
287{
288 union acpi_generic_state *state;
289
290
291 ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
292
293
294 /* Create the generic state object */
295
296 state = acpi_ut_create_generic_state ();
297 if (!state) {
298 return_PTR (NULL);
299 }
300
301 /* Init fields specific to the update struct */
302
303 state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
304 state->pkg.source_object = (union acpi_operand_object *) internal_object;
305 state->pkg.dest_object = external_object;
306 state->pkg.index = index;
307 state->pkg.num_packages = 1;
308
309 return_PTR (state);
310}
311
312
313/*******************************************************************************
314 *
315 * FUNCTION: acpi_ut_create_control_state
316 *
317 * PARAMETERS: None
318 *
319 * RETURN: New state object, null on failure
320 *
321 * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
322 * to support nested IF/WHILE constructs in the AML.
323 *
324 ******************************************************************************/
325
326union acpi_generic_state *
327acpi_ut_create_control_state (
328 void)
329{
330 union acpi_generic_state *state;
331
332
333 ACPI_FUNCTION_TRACE ("ut_create_control_state");
334
335
336 /* Create the generic state object */
337
338 state = acpi_ut_create_generic_state ();
339 if (!state) {
340 return_PTR (NULL);
341 }
342
343 /* Init fields specific to the control struct */
344
345 state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
346 state->common.state = ACPI_CONTROL_CONDITIONAL_EXECUTING;
347
348 return_PTR (state);
349}
350
351
352/*******************************************************************************
353 *
354 * FUNCTION: acpi_ut_delete_generic_state
355 *
356 * PARAMETERS: State - The state object to be deleted
357 *
358 * RETURN: None
359 *
360 * DESCRIPTION: Put a state object back into the global state cache. The object
361 * is not actually freed at this time.
362 *
363 ******************************************************************************/
364
365void
366acpi_ut_delete_generic_state (
367 union acpi_generic_state *state)
368{
369 ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
370
371
372 (void) acpi_os_release_object (acpi_gbl_state_cache, state);
373 return_VOID;
374}
375
376
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index e8803d810656..850da6817423 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -46,8 +46,6 @@
46#include <acpi/acpi.h> 46#include <acpi/acpi.h>
47#include <acpi/acevents.h> 47#include <acpi/acevents.h>
48#include <acpi/acnamesp.h> 48#include <acpi/acnamesp.h>
49#include <acpi/acparser.h>
50#include <acpi/acdispat.h>
51#include <acpi/acdebug.h> 49#include <acpi/acdebug.h>
52 50
53#define _COMPONENT ACPI_UTILITIES 51#define _COMPONENT ACPI_UTILITIES
@@ -79,11 +77,6 @@ acpi_initialize_subsystem (
79 77
80 ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ()); 78 ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
81 79
82
83 /* Initialize all globals used by the subsystem */
84
85 acpi_ut_init_globals ();
86
87 /* Initialize the OS-Dependent layer */ 80 /* Initialize the OS-Dependent layer */
88 81
89 status = acpi_os_initialize (); 82 status = acpi_os_initialize ();
@@ -93,6 +86,10 @@ acpi_initialize_subsystem (
93 return_ACPI_STATUS (status); 86 return_ACPI_STATUS (status);
94 } 87 }
95 88
89 /* Initialize all globals used by the subsystem */
90
91 acpi_ut_init_globals ();
92
96 /* Create the default mutex objects */ 93 /* Create the default mutex objects */
97 94
98 status = acpi_ut_mutex_initialize (); 95 status = acpi_ut_mutex_initialize ();
@@ -522,13 +519,9 @@ acpi_purge_cached_objects (
522{ 519{
523 ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects"); 520 ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
524 521
525 522 (void) acpi_os_purge_cache (acpi_gbl_state_cache);
526#ifdef ACPI_ENABLE_OBJECT_CACHE 523 (void) acpi_os_purge_cache (acpi_gbl_operand_cache);
527 acpi_ut_delete_generic_state_cache (); 524 (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
528 acpi_ut_delete_object_cache (); 525 (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
529 acpi_ds_delete_walk_state_cache ();
530 acpi_ps_delete_parse_cache ();
531#endif
532
533 return_ACPI_STATUS (AE_OK); 526 return_ACPI_STATUS (AE_OK);
534} 527}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-03 05:12:05 -0500