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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-12 19:04:50 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-12 19:04:50 -0400
commit3f603ed319d5120e883e64ac5967b2fc848fc43b (patch)
tree52ef311c245e4e4cd623b546ea1daf05a5ea8911 /drivers/acpi/executer
parent55ee3b8365fd5d301b9076eea739146f2b91e82c (diff)
parent5028770a42e7bc4d15791a44c28f0ad539323807 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/lenb/linux-2.6
Diffstat (limited to 'drivers/acpi/executer')
-rw-r--r--drivers/acpi/executer/exconfig.c31
-rw-r--r--drivers/acpi/executer/exconvrt.c44
-rw-r--r--drivers/acpi/executer/excreate.c50
-rw-r--r--drivers/acpi/executer/exdump.c105
-rw-r--r--drivers/acpi/executer/exfield.c25
-rw-r--r--drivers/acpi/executer/exfldio.c133
-rw-r--r--drivers/acpi/executer/exmisc.c7
-rw-r--r--drivers/acpi/executer/exmutex.c45
-rw-r--r--drivers/acpi/executer/exnames.c70
-rw-r--r--drivers/acpi/executer/exoparg1.c94
-rw-r--r--drivers/acpi/executer/exoparg2.c69
-rw-r--r--drivers/acpi/executer/exoparg3.c25
-rw-r--r--drivers/acpi/executer/exoparg6.c26
-rw-r--r--drivers/acpi/executer/exprep.c104
-rw-r--r--drivers/acpi/executer/exregion.c34
-rw-r--r--drivers/acpi/executer/exresnte.c24
-rw-r--r--drivers/acpi/executer/exresolv.c63
-rw-r--r--drivers/acpi/executer/exresop.c80
-rw-r--r--drivers/acpi/executer/exstore.c260
-rw-r--r--drivers/acpi/executer/exstoren.c20
-rw-r--r--drivers/acpi/executer/exstorob.c9
-rw-r--r--drivers/acpi/executer/exsystem.c48
-rw-r--r--drivers/acpi/executer/exutils.c37
23 files changed, 896 insertions, 507 deletions
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index ac3c061967f2..734b2f24af48 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -54,6 +54,14 @@
54#define _COMPONENT ACPI_EXECUTER 54#define _COMPONENT ACPI_EXECUTER
55 ACPI_MODULE_NAME ("exconfig") 55 ACPI_MODULE_NAME ("exconfig")
56 56
57/* Local prototypes */
58
59static acpi_status
60acpi_ex_add_table (
61 struct acpi_table_header *table,
62 struct acpi_namespace_node *parent_node,
63 union acpi_operand_object **ddb_handle);
64
57 65
58/******************************************************************************* 66/*******************************************************************************
59 * 67 *
@@ -70,7 +78,7 @@
70 * 78 *
71 ******************************************************************************/ 79 ******************************************************************************/
72 80
73acpi_status 81static acpi_status
74acpi_ex_add_table ( 82acpi_ex_add_table (
75 struct acpi_table_header *table, 83 struct acpi_table_header *table,
76 struct acpi_namespace_node *parent_node, 84 struct acpi_namespace_node *parent_node,
@@ -95,10 +103,10 @@ acpi_ex_add_table (
95 103
96 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc)); 104 ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
97 105
98 table_info.type = ACPI_TABLE_SSDT; 106 table_info.type = ACPI_TABLE_SSDT;
99 table_info.pointer = table; 107 table_info.pointer = table;
100 table_info.length = (acpi_size) table->length; 108 table_info.length = (acpi_size) table->length;
101 table_info.allocation = ACPI_MEM_ALLOCATED; 109 table_info.allocation = ACPI_MEM_ALLOCATED;
102 110
103 status = acpi_tb_install_table (&table_info); 111 status = acpi_tb_install_table (&table_info);
104 if (ACPI_FAILURE (status)) { 112 if (ACPI_FAILURE (status)) {
@@ -226,11 +234,10 @@ acpi_ex_load_table_op (
226 start_node = parent_node; 234 start_node = parent_node;
227 } 235 }
228 236
229 /* 237 /* Find the node referenced by the parameter_path_string */
230 * Find the node referenced by the parameter_path_string 238
231 */
232 status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node, 239 status = acpi_ns_get_node_by_path (operand[4]->string.pointer, start_node,
233 ACPI_NS_SEARCH_PARENT, &parameter_node); 240 ACPI_NS_SEARCH_PARENT, &parameter_node);
234 if (ACPI_FAILURE (status)) { 241 if (ACPI_FAILURE (status)) {
235 return_ACPI_STATUS (status); 242 return_ACPI_STATUS (status);
236 } 243 }
@@ -248,7 +255,8 @@ acpi_ex_load_table_op (
248 if (parameter_node) { 255 if (parameter_node) {
249 /* Store the parameter data into the optional parameter object */ 256 /* Store the parameter data into the optional parameter object */
250 257
251 status = acpi_ex_store (operand[5], ACPI_CAST_PTR (union acpi_operand_object, parameter_node), 258 status = acpi_ex_store (operand[5],
259 ACPI_CAST_PTR (union acpi_operand_object, parameter_node),
252 walk_state); 260 walk_state);
253 if (ACPI_FAILURE (status)) { 261 if (ACPI_FAILURE (status)) {
254 (void) acpi_ex_unload_table (ddb_handle); 262 (void) acpi_ex_unload_table (ddb_handle);
@@ -371,7 +379,8 @@ acpi_ex_load_op (
371 goto cleanup; 379 goto cleanup;
372 } 380 }
373 381
374 table_ptr = ACPI_CAST_PTR (struct acpi_table_header, buffer_desc->buffer.pointer); 382 table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
383 buffer_desc->buffer.pointer);
375 384
376 /* Sanity check the table length */ 385 /* Sanity check the table length */
377 386
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index df7ba1219bf6..97856c48bd74 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -50,6 +50,15 @@
50#define _COMPONENT ACPI_EXECUTER 50#define _COMPONENT ACPI_EXECUTER
51 ACPI_MODULE_NAME ("exconvrt") 51 ACPI_MODULE_NAME ("exconvrt")
52 52
53/* Local prototypes */
54
55static u32
56acpi_ex_convert_to_ascii (
57 acpi_integer integer,
58 u16 base,
59 u8 *string,
60 u8 max_length);
61
53 62
54/******************************************************************************* 63/*******************************************************************************
55 * 64 *
@@ -115,9 +124,8 @@ acpi_ex_convert_to_integer (
115 */ 124 */
116 result = 0; 125 result = 0;
117 126
118 /* 127 /* String conversion is different than Buffer conversion */
119 * String conversion is different than Buffer conversion 128
120 */
121 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { 129 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
122 case ACPI_TYPE_STRING: 130 case ACPI_TYPE_STRING:
123 131
@@ -168,9 +176,8 @@ acpi_ex_convert_to_integer (
168 break; 176 break;
169 } 177 }
170 178
171 /* 179 /* Create a new integer */
172 * Create a new integer 180
173 */
174 return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); 181 return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
175 if (!return_desc) { 182 if (!return_desc) {
176 return_ACPI_STATUS (AE_NO_MEMORY); 183 return_ACPI_STATUS (AE_NO_MEMORY);
@@ -251,7 +258,8 @@ acpi_ex_convert_to_buffer (
251 * ASL/AML code that depends on the null being transferred to the new 258 * ASL/AML code that depends on the null being transferred to the new
252 * buffer. 259 * buffer.
253 */ 260 */
254 return_desc = acpi_ut_create_buffer_object ((acpi_size) obj_desc->string.length + 1); 261 return_desc = acpi_ut_create_buffer_object (
262 (acpi_size) obj_desc->string.length + 1);
255 if (!return_desc) { 263 if (!return_desc) {
256 return_ACPI_STATUS (AE_NO_MEMORY); 264 return_ACPI_STATUS (AE_NO_MEMORY);
257 } 265 }
@@ -291,7 +299,7 @@ acpi_ex_convert_to_buffer (
291 * 299 *
292 ******************************************************************************/ 300 ******************************************************************************/
293 301
294u32 302static u32
295acpi_ex_convert_to_ascii ( 303acpi_ex_convert_to_ascii (
296 acpi_integer integer, 304 acpi_integer integer,
297 u16 base, 305 u16 base,
@@ -357,8 +365,9 @@ acpi_ex_convert_to_ascii (
357 365
358 case 16: 366 case 16:
359 367
360 hex_length = ACPI_MUL_2 (data_width); /* 2 ascii hex chars per data byte */ 368 /* hex_length: 2 ascii hex chars per data byte */
361 369
370 hex_length = ACPI_MUL_2 (data_width);
362 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--) {
363 /* Get one hex digit, most significant digits first */ 372 /* Get one hex digit, most significant digits first */
364 373
@@ -475,7 +484,7 @@ acpi_ex_convert_to_string (
475 /* Setup string length, base, and separator */ 484 /* Setup string length, base, and separator */
476 485
477 switch (type) { 486 switch (type) {
478 case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string operator */ 487 case ACPI_EXPLICIT_CONVERT_DECIMAL: /* Used by to_decimal_string */
479 /* 488 /*
480 * From ACPI: "If Data is a buffer, it is converted to a string of 489 * From ACPI: "If Data is a buffer, it is converted to a string of
481 * decimal values separated by commas." 490 * decimal values separated by commas."
@@ -509,7 +518,7 @@ acpi_ex_convert_to_string (
509 string_length = (obj_desc->buffer.length * 3); 518 string_length = (obj_desc->buffer.length * 3);
510 break; 519 break;
511 520
512 case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string operator */ 521 case ACPI_EXPLICIT_CONVERT_HEX: /* Used by to_hex_string */
513 /* 522 /*
514 * From ACPI: "If Data is a buffer, it is converted to a string of 523 * From ACPI: "If Data is a buffer, it is converted to a string of
515 * hexadecimal values separated by commas." 524 * hexadecimal values separated by commas."
@@ -530,9 +539,8 @@ acpi_ex_convert_to_string (
530 return_ACPI_STATUS (AE_AML_STRING_LIMIT); 539 return_ACPI_STATUS (AE_AML_STRING_LIMIT);
531 } 540 }
532 541
533 /* 542 /* Create a new string object and string buffer */
534 * Create a new string object and string buffer 543
535 */
536 return_desc = acpi_ut_create_string_object ((acpi_size) string_length); 544 return_desc = acpi_ut_create_string_object ((acpi_size) string_length);
537 if (!return_desc) { 545 if (!return_desc) {
538 return_ACPI_STATUS (AE_NO_MEMORY); 546 return_ACPI_STATUS (AE_NO_MEMORY);
@@ -551,8 +559,10 @@ acpi_ex_convert_to_string (
551 *new_buf++ = separator; /* each separated by a comma or space */ 559 *new_buf++ = separator; /* each separated by a comma or space */
552 } 560 }
553 561
554 /* Null terminate the string (overwrites final comma/space from above) */ 562 /*
555 563 * Null terminate the string
564 * (overwrites final comma/space from above)
565 */
556 new_buf--; 566 new_buf--;
557 *new_buf = 0; 567 *new_buf = 0;
558 break; 568 break;
@@ -645,7 +655,6 @@ acpi_ex_convert_to_target_type (
645 655
646 656
647 case ACPI_TYPE_STRING: 657 case ACPI_TYPE_STRING:
648
649 /* 658 /*
650 * The operand must be a String. We can convert an 659 * The operand must be a String. We can convert an
651 * Integer or Buffer if necessary 660 * Integer or Buffer if necessary
@@ -656,7 +665,6 @@ acpi_ex_convert_to_target_type (
656 665
657 666
658 case ACPI_TYPE_BUFFER: 667 case ACPI_TYPE_BUFFER:
659
660 /* 668 /*
661 * The operand must be a Buffer. We can convert an 669 * The operand must be a Buffer. We can convert an
662 * Integer or String if necessary 670 * Integer or String if necessary
diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c
index d94c260dac6d..812cdcb2e370 100644
--- a/drivers/acpi/executer/excreate.c
+++ b/drivers/acpi/executer/excreate.c
@@ -55,7 +55,7 @@
55 55
56 56
57#ifndef ACPI_NO_METHOD_EXECUTION 57#ifndef ACPI_NO_METHOD_EXECUTION
58/***************************************************************************** 58/*******************************************************************************
59 * 59 *
60 * FUNCTION: acpi_ex_create_alias 60 * FUNCTION: acpi_ex_create_alias
61 * 61 *
@@ -65,7 +65,7 @@
65 * 65 *
66 * DESCRIPTION: Create a new named alias 66 * DESCRIPTION: Create a new named alias
67 * 67 *
68 ****************************************************************************/ 68 ******************************************************************************/
69 69
70acpi_status 70acpi_status
71acpi_ex_create_alias ( 71acpi_ex_create_alias (
@@ -140,8 +140,7 @@ acpi_ex_create_alias (
140 * target node or the alias Node 140 * target node or the alias Node
141 */ 141 */
142 status = acpi_ns_attach_object (alias_node, 142 status = acpi_ns_attach_object (alias_node,
143 acpi_ns_get_attached_object (target_node), 143 acpi_ns_get_attached_object (target_node), target_node->type);
144 target_node->type);
145 break; 144 break;
146 } 145 }
147 146
@@ -151,7 +150,7 @@ acpi_ex_create_alias (
151} 150}
152 151
153 152
154/***************************************************************************** 153/*******************************************************************************
155 * 154 *
156 * FUNCTION: acpi_ex_create_event 155 * FUNCTION: acpi_ex_create_event
157 * 156 *
@@ -161,7 +160,7 @@ acpi_ex_create_alias (
161 * 160 *
162 * DESCRIPTION: Create a new event object 161 * DESCRIPTION: Create a new event object
163 * 162 *
164 ****************************************************************************/ 163 ******************************************************************************/
165 164
166acpi_status 165acpi_status
167acpi_ex_create_event ( 166acpi_ex_create_event (
@@ -185,7 +184,7 @@ acpi_ex_create_event (
185 * that the event is created in an unsignalled state 184 * that the event is created in an unsignalled state
186 */ 185 */
187 status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0, 186 status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 0,
188 &obj_desc->event.semaphore); 187 &obj_desc->event.semaphore);
189 if (ACPI_FAILURE (status)) { 188 if (ACPI_FAILURE (status)) {
190 goto cleanup; 189 goto cleanup;
191 } 190 }
@@ -193,7 +192,7 @@ acpi_ex_create_event (
193 /* Attach object to the Node */ 192 /* Attach object to the Node */
194 193
195 status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0], 194 status = acpi_ns_attach_object ((struct acpi_namespace_node *) walk_state->operands[0],
196 obj_desc, ACPI_TYPE_EVENT); 195 obj_desc, ACPI_TYPE_EVENT);
197 196
198cleanup: 197cleanup:
199 /* 198 /*
@@ -205,7 +204,7 @@ cleanup:
205} 204}
206 205
207 206
208/***************************************************************************** 207/*******************************************************************************
209 * 208 *
210 * FUNCTION: acpi_ex_create_mutex 209 * FUNCTION: acpi_ex_create_mutex
211 * 210 *
@@ -217,7 +216,7 @@ cleanup:
217 * 216 *
218 * Mutex (Name[0], sync_level[1]) 217 * Mutex (Name[0], sync_level[1])
219 * 218 *
220 ****************************************************************************/ 219 ******************************************************************************/
221 220
222acpi_status 221acpi_status
223acpi_ex_create_mutex ( 222acpi_ex_create_mutex (
@@ -267,20 +266,20 @@ cleanup:
267} 266}
268 267
269 268
270/***************************************************************************** 269/*******************************************************************************
271 * 270 *
272 * FUNCTION: acpi_ex_create_region 271 * FUNCTION: acpi_ex_create_region
273 * 272 *
274 * PARAMETERS: aml_start - Pointer to the region declaration AML 273 * PARAMETERS: aml_start - Pointer to the region declaration AML
275 * aml_length - Max length of the declaration AML 274 * aml_length - Max length of the declaration AML
276 * Operands - List of operands for the opcode 275 * region_space - space_iD for the region
277 * walk_state - Current state 276 * walk_state - Current state
278 * 277 *
279 * RETURN: Status 278 * RETURN: Status
280 * 279 *
281 * DESCRIPTION: Create a new operation region object 280 * DESCRIPTION: Create a new operation region object
282 * 281 *
283 ****************************************************************************/ 282 ******************************************************************************/
284 283
285acpi_status 284acpi_status
286acpi_ex_create_region ( 285acpi_ex_create_region (
@@ -321,7 +320,7 @@ acpi_ex_create_region (
321 } 320 }
322 321
323 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n", 322 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "Region Type - %s (%X)\n",
324 acpi_ut_get_region_name (region_space), region_space)); 323 acpi_ut_get_region_name (region_space), region_space));
325 324
326 /* Create the region descriptor */ 325 /* Create the region descriptor */
327 326
@@ -360,7 +359,7 @@ cleanup:
360} 359}
361 360
362 361
363/***************************************************************************** 362/*******************************************************************************
364 * 363 *
365 * FUNCTION: acpi_ex_create_table_region 364 * FUNCTION: acpi_ex_create_table_region
366 * 365 *
@@ -370,7 +369,7 @@ cleanup:
370 * 369 *
371 * DESCRIPTION: Create a new data_table_region object 370 * DESCRIPTION: Create a new data_table_region object
372 * 371 *
373 ****************************************************************************/ 372 ******************************************************************************/
374 373
375acpi_status 374acpi_status
376acpi_ex_create_table_region ( 375acpi_ex_create_table_region (
@@ -455,7 +454,7 @@ cleanup:
455} 454}
456 455
457 456
458/***************************************************************************** 457/*******************************************************************************
459 * 458 *
460 * FUNCTION: acpi_ex_create_processor 459 * FUNCTION: acpi_ex_create_processor
461 * 460 *
@@ -467,7 +466,7 @@ cleanup:
467 * 466 *
468 * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3]) 467 * Processor (Name[0], cpu_iD[1], pblock_addr[2], pblock_length[3])
469 * 468 *
470 ****************************************************************************/ 469 ******************************************************************************/
471 470
472acpi_status 471acpi_status
473acpi_ex_create_processor ( 472acpi_ex_create_processor (
@@ -488,9 +487,8 @@ acpi_ex_create_processor (
488 return_ACPI_STATUS (AE_NO_MEMORY); 487 return_ACPI_STATUS (AE_NO_MEMORY);
489 } 488 }
490 489
491 /* 490 /* Initialize the processor object from the operands */
492 * Initialize the processor object from the operands 491
493 */
494 obj_desc->processor.proc_id = (u8) operand[1]->integer.value; 492 obj_desc->processor.proc_id = (u8) operand[1]->integer.value;
495 obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value; 493 obj_desc->processor.address = (acpi_io_address) operand[2]->integer.value;
496 obj_desc->processor.length = (u8) operand[3]->integer.value; 494 obj_desc->processor.length = (u8) operand[3]->integer.value;
@@ -507,7 +505,7 @@ acpi_ex_create_processor (
507} 505}
508 506
509 507
510/***************************************************************************** 508/*******************************************************************************
511 * 509 *
512 * FUNCTION: acpi_ex_create_power_resource 510 * FUNCTION: acpi_ex_create_power_resource
513 * 511 *
@@ -519,7 +517,7 @@ acpi_ex_create_processor (
519 * 517 *
520 * power_resource (Name[0], system_level[1], resource_order[2]) 518 * power_resource (Name[0], system_level[1], resource_order[2])
521 * 519 *
522 ****************************************************************************/ 520 ******************************************************************************/
523 521
524acpi_status 522acpi_status
525acpi_ex_create_power_resource ( 523acpi_ex_create_power_resource (
@@ -555,10 +553,10 @@ acpi_ex_create_power_resource (
555 acpi_ut_remove_reference (obj_desc); 553 acpi_ut_remove_reference (obj_desc);
556 return_ACPI_STATUS (status); 554 return_ACPI_STATUS (status);
557} 555}
558
559#endif 556#endif
560 557
561/***************************************************************************** 558
559/*******************************************************************************
562 * 560 *
563 * FUNCTION: acpi_ex_create_method 561 * FUNCTION: acpi_ex_create_method
564 * 562 *
@@ -570,7 +568,7 @@ acpi_ex_create_power_resource (
570 * 568 *
571 * DESCRIPTION: Create a new method object 569 * DESCRIPTION: Create a new method object
572 * 570 *
573 ****************************************************************************/ 571 ******************************************************************************/
574 572
575acpi_status 573acpi_status
576acpi_ex_create_method ( 574acpi_ex_create_method (
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index e2f7c32f28de..408500648114 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -51,23 +51,48 @@
51#define _COMPONENT ACPI_EXECUTER 51#define _COMPONENT ACPI_EXECUTER
52 ACPI_MODULE_NAME ("exdump") 52 ACPI_MODULE_NAME ("exdump")
53 53
54/* Local prototypes */
55
56#ifdef ACPI_FUTURE_USAGE
57static void
58acpi_ex_out_string (
59 char *title,
60 char *value);
61
62static void
63acpi_ex_out_pointer (
64 char *title,
65 void *value);
66
67static void
68acpi_ex_out_integer (
69 char *title,
70 u32 value);
71
72static void
73acpi_ex_out_address (
74 char *title,
75 acpi_physical_address value);
76#endif /* ACPI_FUTURE_USAGE */
77
54 78
55/* 79/*
56 * The following routines are used for debug output only 80 * The following routines are used for debug output only
57 */ 81 */
58#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER) 82#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
59 83
60/***************************************************************************** 84/*******************************************************************************
61 * 85 *
62 * FUNCTION: acpi_ex_dump_operand 86 * FUNCTION: acpi_ex_dump_operand
63 * 87 *
64 * PARAMETERS: *obj_desc - Pointer to entry to be dumped 88 * PARAMETERS: *obj_desc - Pointer to entry to be dumped
89 * Depth - Current nesting depth
65 * 90 *
66 * RETURN: None 91 * RETURN: None
67 * 92 *
68 * DESCRIPTION: Dump an operand object 93 * DESCRIPTION: Dump an operand object
69 * 94 *
70 ****************************************************************************/ 95 ******************************************************************************/
71 96
72void 97void
73acpi_ex_dump_operand ( 98acpi_ex_dump_operand (
@@ -86,9 +111,8 @@ acpi_ex_dump_operand (
86 } 111 }
87 112
88 if (!obj_desc) { 113 if (!obj_desc) {
89 /* 114 /* This could be a null element of a package */
90 * This could be a null element of a package 115
91 */
92 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Null Object Descriptor\n")); 116 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Null Object Descriptor\n"));
93 return; 117 return;
94 } 118 }
@@ -117,6 +141,8 @@ acpi_ex_dump_operand (
117 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", obj_desc)); 141 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p ", obj_desc));
118 } 142 }
119 143
144 /* Decode object type */
145
120 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { 146 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
121 case ACPI_TYPE_LOCAL_REFERENCE: 147 case ACPI_TYPE_LOCAL_REFERENCE:
122 148
@@ -274,7 +300,9 @@ acpi_ex_dump_operand (
274 case ACPI_TYPE_STRING: 300 case ACPI_TYPE_STRING:
275 301
276 acpi_os_printf ("String length %X @ %p ", 302 acpi_os_printf ("String length %X @ %p ",
277 obj_desc->string.length, obj_desc->string.pointer); 303 obj_desc->string.length,
304 obj_desc->string.pointer);
305
278 acpi_ut_print_string (obj_desc->string.pointer, ACPI_UINT8_MAX); 306 acpi_ut_print_string (obj_desc->string.pointer, ACPI_UINT8_MAX);
279 acpi_os_printf ("\n"); 307 acpi_os_printf ("\n");
280 break; 308 break;
@@ -290,10 +318,13 @@ acpi_ex_dump_operand (
290 318
291 acpi_os_printf ( 319 acpi_os_printf (
292 "region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n", 320 "region_field: Bits=%X acc_width=%X Lock=%X Update=%X at byte=%X bit=%X of below:\n",
293 obj_desc->field.bit_length, obj_desc->field.access_byte_width, 321 obj_desc->field.bit_length,
322 obj_desc->field.access_byte_width,
294 obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK, 323 obj_desc->field.field_flags & AML_FIELD_LOCK_RULE_MASK,
295 obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK, 324 obj_desc->field.field_flags & AML_FIELD_UPDATE_RULE_MASK,
296 obj_desc->field.base_byte_offset, obj_desc->field.start_field_bit_offset); 325 obj_desc->field.base_byte_offset,
326 obj_desc->field.start_field_bit_offset);
327
297 acpi_ex_dump_operand (obj_desc->field.region_obj, depth+1); 328 acpi_ex_dump_operand (obj_desc->field.region_obj, depth+1);
298 break; 329 break;
299 330
@@ -308,13 +339,15 @@ acpi_ex_dump_operand (
308 339
309 acpi_os_printf ( 340 acpi_os_printf (
310 "buffer_field: %X bits at byte %X bit %X of \n", 341 "buffer_field: %X bits at byte %X bit %X of \n",
311 obj_desc->buffer_field.bit_length, obj_desc->buffer_field.base_byte_offset, 342 obj_desc->buffer_field.bit_length,
343 obj_desc->buffer_field.base_byte_offset,
312 obj_desc->buffer_field.start_field_bit_offset); 344 obj_desc->buffer_field.start_field_bit_offset);
313 345
314 if (!obj_desc->buffer_field.buffer_obj) { 346 if (!obj_desc->buffer_field.buffer_obj) {
315 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n")); 347 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*NULL* \n"));
316 } 348 }
317 else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) != ACPI_TYPE_BUFFER) { 349 else if (ACPI_GET_OBJECT_TYPE (obj_desc->buffer_field.buffer_obj) !=
350 ACPI_TYPE_BUFFER) {
318 acpi_os_printf ("*not a Buffer* \n"); 351 acpi_os_printf ("*not a Buffer* \n");
319 } 352 }
320 else { 353 else {
@@ -331,10 +364,10 @@ acpi_ex_dump_operand (
331 364
332 case ACPI_TYPE_METHOD: 365 case ACPI_TYPE_METHOD:
333 366
334 acpi_os_printf ( 367 acpi_os_printf ("Method(%X) @ %p:%X\n",
335 "Method(%X) @ %p:%X\n",
336 obj_desc->method.param_count, 368 obj_desc->method.param_count,
337 obj_desc->method.aml_start, obj_desc->method.aml_length); 369 obj_desc->method.aml_start,
370 obj_desc->method.aml_length);
338 break; 371 break;
339 372
340 373
@@ -379,7 +412,7 @@ acpi_ex_dump_operand (
379} 412}
380 413
381 414
382/***************************************************************************** 415/*******************************************************************************
383 * 416 *
384 * FUNCTION: acpi_ex_dump_operands 417 * FUNCTION: acpi_ex_dump_operands
385 * 418 *
@@ -393,7 +426,7 @@ acpi_ex_dump_operand (
393 * 426 *
394 * DESCRIPTION: Dump the object stack 427 * DESCRIPTION: Dump the object stack
395 * 428 *
396 ****************************************************************************/ 429 ******************************************************************************/
397 430
398void 431void
399acpi_ex_dump_operands ( 432acpi_ex_dump_operands (
@@ -441,10 +474,9 @@ acpi_ex_dump_operands (
441 474
442 475
443#ifdef ACPI_FUTURE_USAGE 476#ifdef ACPI_FUTURE_USAGE
444 477/*******************************************************************************
445/*****************************************************************************
446 * 478 *
447 * FUNCTION: acpi_ex_out* 479 * FUNCTION: acpi_ex_out* functions
448 * 480 *
449 * PARAMETERS: Title - Descriptive text 481 * PARAMETERS: Title - Descriptive text
450 * Value - Value to be displayed 482 * Value - Value to be displayed
@@ -453,9 +485,9 @@ acpi_ex_dump_operands (
453 * reduce the number of format strings required and keeps them 485 * reduce the number of format strings required and keeps them
454 * all in one place for easy modification. 486 * all in one place for easy modification.
455 * 487 *
456 ****************************************************************************/ 488 ******************************************************************************/
457 489
458void 490static void
459acpi_ex_out_string ( 491acpi_ex_out_string (
460 char *title, 492 char *title,
461 char *value) 493 char *value)
@@ -463,7 +495,7 @@ acpi_ex_out_string (
463 acpi_os_printf ("%20s : %s\n", title, value); 495 acpi_os_printf ("%20s : %s\n", title, value);
464} 496}
465 497
466void 498static void
467acpi_ex_out_pointer ( 499acpi_ex_out_pointer (
468 char *title, 500 char *title,
469 void *value) 501 void *value)
@@ -471,7 +503,7 @@ acpi_ex_out_pointer (
471 acpi_os_printf ("%20s : %p\n", title, value); 503 acpi_os_printf ("%20s : %p\n", title, value);
472} 504}
473 505
474void 506static void
475acpi_ex_out_integer ( 507acpi_ex_out_integer (
476 char *title, 508 char *title,
477 u32 value) 509 u32 value)
@@ -479,7 +511,7 @@ acpi_ex_out_integer (
479 acpi_os_printf ("%20s : %X\n", title, value); 511 acpi_os_printf ("%20s : %X\n", title, value);
480} 512}
481 513
482void 514static void
483acpi_ex_out_address ( 515acpi_ex_out_address (
484 char *title, 516 char *title,
485 acpi_physical_address value) 517 acpi_physical_address value)
@@ -493,16 +525,16 @@ acpi_ex_out_address (
493} 525}
494 526
495 527
496/***************************************************************************** 528/*******************************************************************************
497 * 529 *
498 * FUNCTION: acpi_ex_dump_node 530 * FUNCTION: acpi_ex_dump_node
499 * 531 *
500 * PARAMETERS: *Node - Descriptor to dump 532 * PARAMETERS: *Node - Descriptor to dump
501 * Flags - Force display 533 * Flags - Force display if TRUE
502 * 534 *
503 * DESCRIPTION: Dumps the members of the given.Node 535 * DESCRIPTION: Dumps the members of the given.Node
504 * 536 *
505 ****************************************************************************/ 537 ******************************************************************************/
506 538
507void 539void
508acpi_ex_dump_node ( 540acpi_ex_dump_node (
@@ -531,16 +563,16 @@ acpi_ex_dump_node (
531} 563}
532 564
533 565
534/***************************************************************************** 566/*******************************************************************************
535 * 567 *
536 * FUNCTION: acpi_ex_dump_object_descriptor 568 * FUNCTION: acpi_ex_dump_object_descriptor
537 * 569 *
538 * PARAMETERS: *Object - Descriptor to dump 570 * PARAMETERS: *Object - Descriptor to dump
539 * Flags - Force display 571 * Flags - Force display if TRUE
540 * 572 *
541 * DESCRIPTION: Dumps the members of the object descriptor given. 573 * DESCRIPTION: Dumps the members of the object descriptor given.
542 * 574 *
543 ****************************************************************************/ 575 ******************************************************************************/
544 576
545void 577void
546acpi_ex_dump_object_descriptor ( 578acpi_ex_dump_object_descriptor (
@@ -553,6 +585,10 @@ acpi_ex_dump_object_descriptor (
553 ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor"); 585 ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
554 586
555 587
588 if (!obj_desc) {
589 return_VOID;
590 }
591
556 if (!flags) { 592 if (!flags) {
557 if (!((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) { 593 if (!((ACPI_LV_OBJECTS & acpi_dbg_level) && (_COMPONENT & acpi_dbg_layer))) {
558 return_VOID; 594 return_VOID;
@@ -747,11 +783,17 @@ acpi_ex_dump_object_descriptor (
747 case ACPI_TYPE_LOCAL_REFERENCE: 783 case ACPI_TYPE_LOCAL_REFERENCE:
748 784
749 acpi_ex_out_integer ("target_type", obj_desc->reference.target_type); 785 acpi_ex_out_integer ("target_type", obj_desc->reference.target_type);
750 acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info (obj_desc->reference.opcode))->name); 786 acpi_ex_out_string ("Opcode", (acpi_ps_get_opcode_info (
787 obj_desc->reference.opcode))->name);
751 acpi_ex_out_integer ("Offset", obj_desc->reference.offset); 788 acpi_ex_out_integer ("Offset", obj_desc->reference.offset);
752 acpi_ex_out_pointer ("obj_desc", obj_desc->reference.object); 789 acpi_ex_out_pointer ("obj_desc", obj_desc->reference.object);
753 acpi_ex_out_pointer ("Node", obj_desc->reference.node); 790 acpi_ex_out_pointer ("Node", obj_desc->reference.node);
754 acpi_ex_out_pointer ("Where", obj_desc->reference.where); 791 acpi_ex_out_pointer ("Where", obj_desc->reference.where);
792
793 if (obj_desc->reference.object) {
794 acpi_os_printf ("\nReferenced Object:\n");
795 acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
796 }
755 break; 797 break;
756 798
757 799
@@ -788,6 +830,5 @@ acpi_ex_dump_object_descriptor (
788} 830}
789 831
790#endif /* ACPI_FUTURE_USAGE */ 832#endif /* ACPI_FUTURE_USAGE */
791
792#endif 833#endif
793 834
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index be7f2124fa02..22c8fa480f60 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -120,8 +120,8 @@ acpi_ex_read_data_from_field (
120 * Note: Smbus protocol value is passed in upper 16-bits of Function 120 * Note: Smbus protocol value is passed in upper 16-bits of Function
121 */ 121 */
122 status = acpi_ex_access_region (obj_desc, 0, 122 status = acpi_ex_access_region (obj_desc, 0,
123 ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer), 123 ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
124 ACPI_READ | (obj_desc->field.attribute << 16)); 124 ACPI_READ | (obj_desc->field.attribute << 16));
125 acpi_ex_release_global_lock (locked); 125 acpi_ex_release_global_lock (locked);
126 goto exit; 126 goto exit;
127 } 127 }
@@ -196,6 +196,7 @@ exit:
196 * 196 *
197 * PARAMETERS: source_desc - Contains data to write 197 * PARAMETERS: source_desc - Contains data to write
198 * obj_desc - The named field 198 * obj_desc - The named field
199 * result_desc - Where the return value is returned, if any
199 * 200 *
200 * RETURN: Status 201 * RETURN: Status
201 * 202 *
@@ -250,12 +251,15 @@ acpi_ex_write_data_to_field (
250 if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) { 251 if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
251 ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n", 252 ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n",
252 acpi_ut_get_object_type_name (source_desc))); 253 acpi_ut_get_object_type_name (source_desc)));
254
253 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 255 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
254 } 256 }
255 257
256 if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) { 258 if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) {
257 ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n", 259 ACPI_REPORT_ERROR ((
260 "SMBus write requires Buffer of length %X, found length %X\n",
258 ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length)); 261 ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length));
262
259 return_ACPI_STATUS (AE_AML_BUFFER_LIMIT); 263 return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
260 } 264 }
261 265
@@ -265,14 +269,16 @@ acpi_ex_write_data_to_field (
265 } 269 }
266 270
267 buffer = buffer_desc->buffer.pointer; 271 buffer = buffer_desc->buffer.pointer;
268 ACPI_MEMCPY (buffer, source_desc->buffer.pointer, ACPI_SMBUS_BUFFER_SIZE); 272 ACPI_MEMCPY (buffer, source_desc->buffer.pointer,
273 ACPI_SMBUS_BUFFER_SIZE);
269 274
270 /* Lock entire transaction if requested */ 275 /* Lock entire transaction if requested */
271 276
272 locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags); 277 locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
273 278
274 /* 279 /*
275 * Perform the write (returns status and perhaps data in the same buffer) 280 * Perform the write (returns status and perhaps data in the
281 * same buffer)
276 * Note: SMBus protocol type is passed in upper 16-bits of Function. 282 * Note: SMBus protocol type is passed in upper 16-bits of Function.
277 */ 283 */
278 status = acpi_ex_access_region (obj_desc, 0, 284 status = acpi_ex_access_region (obj_desc, 0,
@@ -284,9 +290,8 @@ acpi_ex_write_data_to_field (
284 return_ACPI_STATUS (status); 290 return_ACPI_STATUS (status);
285 } 291 }
286 292
287 /* 293 /* Get a pointer to the data to be written */
288 * Get a pointer to the data to be written 294
289 */
290 switch (ACPI_GET_OBJECT_TYPE (source_desc)) { 295 switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
291 case ACPI_TYPE_INTEGER: 296 case ACPI_TYPE_INTEGER:
292 buffer = &source_desc->integer.value; 297 buffer = &source_desc->integer.value;
@@ -314,7 +319,8 @@ acpi_ex_write_data_to_field (
314 * the ACPI specification. 319 * the ACPI specification.
315 */ 320 */
316 new_buffer = NULL; 321 new_buffer = NULL;
317 required_length = ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->common_field.bit_length); 322 required_length = ACPI_ROUND_BITS_UP_TO_BYTES (
323 obj_desc->common_field.bit_length);
318 324
319 if (length < required_length) { 325 if (length < required_length) {
320 /* We need to create a new buffer */ 326 /* We need to create a new buffer */
@@ -338,6 +344,7 @@ acpi_ex_write_data_to_field (
338 "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n", 344 "field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
339 source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)), 345 source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)),
340 ACPI_GET_OBJECT_TYPE (source_desc), buffer, length)); 346 ACPI_GET_OBJECT_TYPE (source_desc), buffer, length));
347
341 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 348 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
342 "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n", 349 "field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
343 obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)), 350 obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)),
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index 9d0f9d2e9061..3c2f89e00f78 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -52,12 +52,31 @@
52#define _COMPONENT ACPI_EXECUTER 52#define _COMPONENT ACPI_EXECUTER
53 ACPI_MODULE_NAME ("exfldio") 53 ACPI_MODULE_NAME ("exfldio")
54 54
55/* Local prototypes */
56
57static acpi_status
58acpi_ex_field_datum_io (
59 union acpi_operand_object *obj_desc,
60 u32 field_datum_byte_offset,
61 acpi_integer *value,
62 u32 read_write);
63
64static u8
65acpi_ex_register_overflow (
66 union acpi_operand_object *obj_desc,
67 acpi_integer value);
68
69static acpi_status
70acpi_ex_setup_region (
71 union acpi_operand_object *obj_desc,
72 u32 field_datum_byte_offset);
73
55 74
56/******************************************************************************* 75/*******************************************************************************
57 * 76 *
58 * FUNCTION: acpi_ex_setup_region 77 * FUNCTION: acpi_ex_setup_region
59 * 78 *
60 * PARAMETERS: *obj_desc - Field to be read or written 79 * PARAMETERS: obj_desc - Field to be read or written
61 * field_datum_byte_offset - Byte offset of this datum within the 80 * field_datum_byte_offset - Byte offset of this datum within the
62 * parent field 81 * parent field
63 * 82 *
@@ -69,7 +88,7 @@
69 * 88 *
70 ******************************************************************************/ 89 ******************************************************************************/
71 90
72acpi_status 91static acpi_status
73acpi_ex_setup_region ( 92acpi_ex_setup_region (
74 union acpi_operand_object *obj_desc, 93 union acpi_operand_object *obj_desc,
75 u32 field_datum_byte_offset) 94 u32 field_datum_byte_offset)
@@ -127,9 +146,9 @@ acpi_ex_setup_region (
127 * length of one field datum (access width) must fit within the region. 146 * length of one field datum (access width) must fit within the region.
128 * (Region length is specified in bytes) 147 * (Region length is specified in bytes)
129 */ 148 */
130 if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset 149 if (rgn_desc->region.length < (obj_desc->common_field.base_byte_offset +
131 + field_datum_byte_offset 150 field_datum_byte_offset +
132 + obj_desc->common_field.access_byte_width)) { 151 obj_desc->common_field.access_byte_width)) {
133 if (acpi_gbl_enable_interpreter_slack) { 152 if (acpi_gbl_enable_interpreter_slack) {
134 /* 153 /*
135 * Slack mode only: We will go ahead and allow access to this 154 * Slack mode only: We will go ahead and allow access to this
@@ -155,7 +174,8 @@ acpi_ex_setup_region (
155 "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n", 174 "Field [%4.4s] access width (%d bytes) too large for region [%4.4s] (length %X)\n",
156 acpi_ut_get_node_name (obj_desc->common_field.node), 175 acpi_ut_get_node_name (obj_desc->common_field.node),
157 obj_desc->common_field.access_byte_width, 176 obj_desc->common_field.access_byte_width,
158 acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); 177 acpi_ut_get_node_name (rgn_desc->region.node),
178 rgn_desc->region.length));
159 } 179 }
160 180
161 /* 181 /*
@@ -167,7 +187,8 @@ acpi_ex_setup_region (
167 acpi_ut_get_node_name (obj_desc->common_field.node), 187 acpi_ut_get_node_name (obj_desc->common_field.node),
168 obj_desc->common_field.base_byte_offset, 188 obj_desc->common_field.base_byte_offset,
169 field_datum_byte_offset, obj_desc->common_field.access_byte_width, 189 field_datum_byte_offset, obj_desc->common_field.access_byte_width,
170 acpi_ut_get_node_name (rgn_desc->region.node), rgn_desc->region.length)); 190 acpi_ut_get_node_name (rgn_desc->region.node),
191 rgn_desc->region.length));
171 192
172 return_ACPI_STATUS (AE_AML_REGION_LIMIT); 193 return_ACPI_STATUS (AE_AML_REGION_LIMIT);
173 } 194 }
@@ -180,10 +201,10 @@ acpi_ex_setup_region (
180 * 201 *
181 * FUNCTION: acpi_ex_access_region 202 * FUNCTION: acpi_ex_access_region
182 * 203 *
183 * PARAMETERS: *obj_desc - Field to be read 204 * PARAMETERS: obj_desc - Field to be read
184 * field_datum_byte_offset - Byte offset of this datum within the 205 * field_datum_byte_offset - Byte offset of this datum within the
185 * parent field 206 * parent field
186 * *Value - Where to store value (must at least 207 * Value - Where to store value (must at least
187 * the size of acpi_integer) 208 * the size of acpi_integer)
188 * Function - Read or Write flag plus other region- 209 * Function - Read or Write flag plus other region-
189 * dependent flags 210 * dependent flags
@@ -226,9 +247,9 @@ acpi_ex_access_region (
226 * 3) The current offset into the field 247 * 3) The current offset into the field
227 */ 248 */
228 rgn_desc = obj_desc->common_field.region_obj; 249 rgn_desc = obj_desc->common_field.region_obj;
229 address = rgn_desc->region.address 250 address = rgn_desc->region.address +
230 + obj_desc->common_field.base_byte_offset 251 obj_desc->common_field.base_byte_offset +
231 + field_datum_byte_offset; 252 field_datum_byte_offset;
232 253
233 if ((function & ACPI_IO_MASK) == ACPI_READ) { 254 if ((function & ACPI_IO_MASK) == ACPI_READ) {
234 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[READ]")); 255 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "[READ]"));
@@ -249,7 +270,8 @@ acpi_ex_access_region (
249 /* Invoke the appropriate address_space/op_region handler */ 270 /* Invoke the appropriate address_space/op_region handler */
250 271
251 status = acpi_ev_address_space_dispatch (rgn_desc, function, 272 status = acpi_ev_address_space_dispatch (rgn_desc, function,
252 address, ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value); 273 address,
274 ACPI_MUL_8 (obj_desc->common_field.access_byte_width), value);
253 275
254 if (ACPI_FAILURE (status)) { 276 if (ACPI_FAILURE (status)) {
255 if (status == AE_NOT_IMPLEMENTED) { 277 if (status == AE_NOT_IMPLEMENTED) {
@@ -274,7 +296,7 @@ acpi_ex_access_region (
274 * 296 *
275 * FUNCTION: acpi_ex_register_overflow 297 * FUNCTION: acpi_ex_register_overflow
276 * 298 *
277 * PARAMETERS: *obj_desc - Register(Field) to be written 299 * PARAMETERS: obj_desc - Register(Field) to be written
278 * Value - Value to be stored 300 * Value - Value to be stored
279 * 301 *
280 * RETURN: TRUE if value overflows the field, FALSE otherwise 302 * RETURN: TRUE if value overflows the field, FALSE otherwise
@@ -287,7 +309,7 @@ acpi_ex_access_region (
287 * 309 *
288 ******************************************************************************/ 310 ******************************************************************************/
289 311
290u8 312static u8
291acpi_ex_register_overflow ( 313acpi_ex_register_overflow (
292 union acpi_operand_object *obj_desc, 314 union acpi_operand_object *obj_desc,
293 acpi_integer value) 315 acpi_integer value)
@@ -319,10 +341,10 @@ acpi_ex_register_overflow (
319 * 341 *
320 * FUNCTION: acpi_ex_field_datum_io 342 * FUNCTION: acpi_ex_field_datum_io
321 * 343 *
322 * PARAMETERS: *obj_desc - Field to be read 344 * PARAMETERS: obj_desc - Field to be read
323 * field_datum_byte_offset - Byte offset of this datum within the 345 * field_datum_byte_offset - Byte offset of this datum within the
324 * parent field 346 * parent field
325 * *Value - Where to store value (must be 64 bits) 347 * Value - Where to store value (must be 64 bits)
326 * read_write - Read or Write flag 348 * read_write - Read or Write flag
327 * 349 *
328 * RETURN: Status 350 * RETURN: Status
@@ -333,7 +355,7 @@ acpi_ex_register_overflow (
333 * 355 *
334 ******************************************************************************/ 356 ******************************************************************************/
335 357
336acpi_status 358static acpi_status
337acpi_ex_field_datum_io ( 359acpi_ex_field_datum_io (
338 union acpi_operand_object *obj_desc, 360 union acpi_operand_object *obj_desc,
339 u32 field_datum_byte_offset, 361 u32 field_datum_byte_offset,
@@ -350,7 +372,9 @@ acpi_ex_field_datum_io (
350 if (read_write == ACPI_READ) { 372 if (read_write == ACPI_READ) {
351 if (!value) { 373 if (!value) {
352 local_value = 0; 374 local_value = 0;
353 value = &local_value; /* To support reads without saving return value */ 375
376 /* To support reads without saving return value */
377 value = &local_value;
354 } 378 }
355 379
356 /* Clear the entire return buffer first, [Very Important!] */ 380 /* Clear the entire return buffer first, [Very Important!] */
@@ -363,8 +387,10 @@ acpi_ex_field_datum_io (
363 * 387 *
364 * buffer_field - Read/write from/to a Buffer 388 * buffer_field - Read/write from/to a Buffer
365 * region_field - Read/write from/to a Operation Region. 389 * region_field - Read/write from/to a Operation Region.
366 * bank_field - Write to a Bank Register, then read/write from/to an op_region 390 * bank_field - Write to a Bank Register, then read/write from/to an
367 * index_field - Write to an Index Register, then read/write from/to a Data Register 391 * operation_region
392 * index_field - Write to an Index Register, then read/write from/to a
393 * Data Register
368 */ 394 */
369 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { 395 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
370 case ACPI_TYPE_BUFFER_FIELD: 396 case ACPI_TYPE_BUFFER_FIELD:
@@ -384,19 +410,20 @@ acpi_ex_field_datum_io (
384 * Copy the data from the source buffer. 410 * Copy the data from the source buffer.
385 * Length is the field width in bytes. 411 * Length is the field width in bytes.
386 */ 412 */
387 ACPI_MEMCPY (value, (obj_desc->buffer_field.buffer_obj)->buffer.pointer 413 ACPI_MEMCPY (value,
388 + obj_desc->buffer_field.base_byte_offset 414 (obj_desc->buffer_field.buffer_obj)->buffer.pointer +
389 + field_datum_byte_offset, 415 obj_desc->buffer_field.base_byte_offset +
390 obj_desc->common_field.access_byte_width); 416 field_datum_byte_offset,
417 obj_desc->common_field.access_byte_width);
391 } 418 }
392 else { 419 else {
393 /* 420 /*
394 * Copy the data to the target buffer. 421 * Copy the data to the target buffer.
395 * Length is the field width in bytes. 422 * Length is the field width in bytes.
396 */ 423 */
397 ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer 424 ACPI_MEMCPY ((obj_desc->buffer_field.buffer_obj)->buffer.pointer +
398 + obj_desc->buffer_field.base_byte_offset 425 obj_desc->buffer_field.base_byte_offset +
399 + field_datum_byte_offset, 426 field_datum_byte_offset,
400 value, obj_desc->common_field.access_byte_width); 427 value, obj_desc->common_field.access_byte_width);
401 } 428 }
402 429
@@ -406,8 +433,10 @@ acpi_ex_field_datum_io (
406 433
407 case ACPI_TYPE_LOCAL_BANK_FIELD: 434 case ACPI_TYPE_LOCAL_BANK_FIELD:
408 435
409 /* Ensure that the bank_value is not beyond the capacity of the register */ 436 /*
410 437 * Ensure that the bank_value is not beyond the capacity of
438 * the register
439 */
411 if (acpi_ex_register_overflow (obj_desc->bank_field.bank_obj, 440 if (acpi_ex_register_overflow (obj_desc->bank_field.bank_obj,
412 (acpi_integer) obj_desc->bank_field.value)) { 441 (acpi_integer) obj_desc->bank_field.value)) {
413 return_ACPI_STATUS (AE_AML_REGISTER_LIMIT); 442 return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
@@ -445,8 +474,10 @@ acpi_ex_field_datum_io (
445 case ACPI_TYPE_LOCAL_INDEX_FIELD: 474 case ACPI_TYPE_LOCAL_INDEX_FIELD:
446 475
447 476
448 /* Ensure that the index_value is not beyond the capacity of the register */ 477 /*
449 478 * Ensure that the index_value is not beyond the capacity of
479 * the register
480 */
450 if (acpi_ex_register_overflow (obj_desc->index_field.index_obj, 481 if (acpi_ex_register_overflow (obj_desc->index_field.index_obj,
451 (acpi_integer) obj_desc->index_field.value)) { 482 (acpi_integer) obj_desc->index_field.value)) {
452 return_ACPI_STATUS (AE_AML_REGISTER_LIMIT); 483 return_ACPI_STATUS (AE_AML_REGISTER_LIMIT);
@@ -496,14 +527,16 @@ acpi_ex_field_datum_io (
496 527
497 if (ACPI_SUCCESS (status)) { 528 if (ACPI_SUCCESS (status)) {
498 if (read_write == ACPI_READ) { 529 if (read_write == ACPI_READ) {
499 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Read %8.8X%8.8X, Width %d\n", 530 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
500 ACPI_FORMAT_UINT64 (*value), 531 "Value Read %8.8X%8.8X, Width %d\n",
501 obj_desc->common_field.access_byte_width)); 532 ACPI_FORMAT_UINT64 (*value),
533 obj_desc->common_field.access_byte_width));
502 } 534 }
503 else { 535 else {
504 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, "Value Written %8.8X%8.8X, Width %d\n", 536 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
505 ACPI_FORMAT_UINT64 (*value), 537 "Value Written %8.8X%8.8X, Width %d\n",
506 obj_desc->common_field.access_byte_width)); 538 ACPI_FORMAT_UINT64 (*value),
539 obj_desc->common_field.access_byte_width));
507 } 540 }
508 } 541 }
509 542
@@ -515,8 +548,10 @@ acpi_ex_field_datum_io (
515 * 548 *
516 * FUNCTION: acpi_ex_write_with_update_rule 549 * FUNCTION: acpi_ex_write_with_update_rule
517 * 550 *
518 * PARAMETERS: *obj_desc - Field to be set 551 * PARAMETERS: obj_desc - Field to be written
519 * Value - Value to store 552 * Mask - bitmask within field datum
553 * field_value - Value to write
554 * field_datum_byte_offset - Offset of datum within field
520 * 555 *
521 * RETURN: Status 556 * RETURN: Status
522 * 557 *
@@ -689,7 +724,8 @@ acpi_ex_extract_from_field (
689 /* Merge with previous datum if necessary */ 724 /* Merge with previous datum if necessary */
690 725
691 merged_datum |= raw_datum << 726 merged_datum |= raw_datum <<
692 (obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset); 727 (obj_desc->common_field.access_bit_width -
728 obj_desc->common_field.start_field_bit_offset);
693 729
694 if (i == datum_count) { 730 if (i == datum_count) {
695 break; 731 break;
@@ -707,7 +743,8 @@ acpi_ex_extract_from_field (
707 743
708 /* Mask off any extra bits in the last datum */ 744 /* Mask off any extra bits in the last datum */
709 745
710 buffer_tail_bits = obj_desc->common_field.bit_length % obj_desc->common_field.access_bit_width; 746 buffer_tail_bits = obj_desc->common_field.bit_length %
747 obj_desc->common_field.access_bit_width;
711 if (buffer_tail_bits) { 748 if (buffer_tail_bits) {
712 merged_datum &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits); 749 merged_datum &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits);
713 } 750 }
@@ -791,7 +828,8 @@ acpi_ex_insert_into_field (
791 /* Write merged datum to the target field */ 828 /* Write merged datum to the target field */
792 829
793 merged_datum &= mask; 830 merged_datum &= mask;
794 status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset); 831 status = acpi_ex_write_with_update_rule (obj_desc, mask,
832 merged_datum, field_offset);
795 if (ACPI_FAILURE (status)) { 833 if (ACPI_FAILURE (status)) {
796 return_ACPI_STATUS (status); 834 return_ACPI_STATUS (status);
797 } 835 }
@@ -800,7 +838,8 @@ acpi_ex_insert_into_field (
800 838
801 field_offset += obj_desc->common_field.access_byte_width; 839 field_offset += obj_desc->common_field.access_byte_width;
802 merged_datum = raw_datum >> 840 merged_datum = raw_datum >>
803 (obj_desc->common_field.access_bit_width - obj_desc->common_field.start_field_bit_offset); 841 (obj_desc->common_field.access_bit_width -
842 obj_desc->common_field.start_field_bit_offset);
804 mask = ACPI_INTEGER_MAX; 843 mask = ACPI_INTEGER_MAX;
805 844
806 if (i == datum_count) { 845 if (i == datum_count) {
@@ -819,7 +858,8 @@ acpi_ex_insert_into_field (
819 /* Mask off any extra bits in the last datum */ 858 /* Mask off any extra bits in the last datum */
820 859
821 buffer_tail_bits = (obj_desc->common_field.bit_length + 860 buffer_tail_bits = (obj_desc->common_field.bit_length +
822 obj_desc->common_field.start_field_bit_offset) % obj_desc->common_field.access_bit_width; 861 obj_desc->common_field.start_field_bit_offset) %
862 obj_desc->common_field.access_bit_width;
823 if (buffer_tail_bits) { 863 if (buffer_tail_bits) {
824 mask &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits); 864 mask &= ACPI_MASK_BITS_ABOVE (buffer_tail_bits);
825 } 865 }
@@ -827,7 +867,8 @@ acpi_ex_insert_into_field (
827 /* Write the last datum to the field */ 867 /* Write the last datum to the field */
828 868
829 merged_datum &= mask; 869 merged_datum &= mask;
830 status = acpi_ex_write_with_update_rule (obj_desc, mask, merged_datum, field_offset); 870 status = acpi_ex_write_with_update_rule (obj_desc,
871 mask, merged_datum, field_offset);
831 872
832 return_ACPI_STATUS (status); 873 return_ACPI_STATUS (status);
833} 874}
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index b542dcd58c07..022f281345b8 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -139,8 +139,9 @@ acpi_ex_get_object_reference (
139 reference_obj->reference.object = referenced_obj; 139 reference_obj->reference.object = referenced_obj;
140 *return_desc = reference_obj; 140 *return_desc = reference_obj;
141 141
142 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p Type [%s], returning Reference %p\n", 142 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
143 obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc)); 143 "Object %p Type [%s], returning Reference %p\n",
144 obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc));
144 145
145 return_ACPI_STATUS (AE_OK); 146 return_ACPI_STATUS (AE_OK);
146} 147}
@@ -456,7 +457,7 @@ acpi_ex_do_math_op (
456 return (integer0 * integer1); 457 return (integer0 * integer1);
457 458
458 459
459 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */ 460 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result)*/
460 461
461 return (integer0 << integer1); 462 return (integer0 << integer1);
462 463
diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c
index 68c4bb1970a5..c3cb714d2cba 100644
--- a/drivers/acpi/executer/exmutex.c
+++ b/drivers/acpi/executer/exmutex.c
@@ -49,6 +49,13 @@
49#define _COMPONENT ACPI_EXECUTER 49#define _COMPONENT ACPI_EXECUTER
50 ACPI_MODULE_NAME ("exmutex") 50 ACPI_MODULE_NAME ("exmutex")
51 51
52/* Local prototypes */
53
54static void
55acpi_ex_link_mutex (
56 union acpi_operand_object *obj_desc,
57 struct acpi_thread_state *thread);
58
52 59
53/******************************************************************************* 60/*******************************************************************************
54 * 61 *
@@ -56,7 +63,7 @@
56 * 63 *
57 * PARAMETERS: obj_desc - The mutex to be unlinked 64 * PARAMETERS: obj_desc - The mutex to be unlinked
58 * 65 *
59 * RETURN: Status 66 * RETURN: None
60 * 67 *
61 * DESCRIPTION: Remove a mutex from the "acquired_mutex" list 68 * DESCRIPTION: Remove a mutex from the "acquired_mutex" list
62 * 69 *
@@ -92,16 +99,16 @@ acpi_ex_unlink_mutex (
92 * 99 *
93 * FUNCTION: acpi_ex_link_mutex 100 * FUNCTION: acpi_ex_link_mutex
94 * 101 *
95 * PARAMETERS: obj_desc - The mutex to be linked 102 * PARAMETERS: obj_desc - The mutex to be linked
96 * list_head - head of the "acquired_mutex" list 103 * Thread - Current executing thread object
97 * 104 *
98 * RETURN: Status 105 * RETURN: None
99 * 106 *
100 * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk 107 * DESCRIPTION: Add a mutex to the "acquired_mutex" list for this walk
101 * 108 *
102 ******************************************************************************/ 109 ******************************************************************************/
103 110
104void 111static void
105acpi_ex_link_mutex ( 112acpi_ex_link_mutex (
106 union acpi_operand_object *obj_desc, 113 union acpi_operand_object *obj_desc,
107 struct acpi_thread_state *thread) 114 struct acpi_thread_state *thread)
@@ -132,8 +139,9 @@ acpi_ex_link_mutex (
132 * 139 *
133 * FUNCTION: acpi_ex_acquire_mutex 140 * FUNCTION: acpi_ex_acquire_mutex
134 * 141 *
135 * PARAMETERS: time_desc - The 'time to delay' object descriptor 142 * PARAMETERS: time_desc - Timeout integer
136 * obj_desc - The object descriptor for this op 143 * obj_desc - Mutex object
144 * walk_state - Current method execution state
137 * 145 *
138 * RETURN: Status 146 * RETURN: Status
139 * 147 *
@@ -161,7 +169,7 @@ acpi_ex_acquire_mutex (
161 169
162 if (!walk_state->thread) { 170 if (!walk_state->thread) {
163 ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n", 171 ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], null thread info\n",
164 acpi_ut_get_node_name (obj_desc->mutex.node))); 172 acpi_ut_get_node_name (obj_desc->mutex.node)));
165 return_ACPI_STATUS (AE_AML_INTERNAL); 173 return_ACPI_STATUS (AE_AML_INTERNAL);
166 } 174 }
167 175
@@ -170,8 +178,9 @@ acpi_ex_acquire_mutex (
170 * mutex. This mechanism provides some deadlock prevention 178 * mutex. This mechanism provides some deadlock prevention
171 */ 179 */
172 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { 180 if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) {
173 ACPI_REPORT_ERROR (("Cannot acquire Mutex [%4.4s], incorrect sync_level\n", 181 ACPI_REPORT_ERROR ((
174 acpi_ut_get_node_name (obj_desc->mutex.node))); 182 "Cannot acquire Mutex [%4.4s], incorrect sync_level\n",
183 acpi_ut_get_node_name (obj_desc->mutex.node)));
175 return_ACPI_STATUS (AE_AML_MUTEX_ORDER); 184 return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
176 } 185 }
177 186
@@ -180,8 +189,10 @@ acpi_ex_acquire_mutex (
180 if (obj_desc->mutex.owner_thread) { 189 if (obj_desc->mutex.owner_thread) {
181 /* Special case for Global Lock, allow all threads */ 190 /* Special case for Global Lock, allow all threads */
182 191
183 if ((obj_desc->mutex.owner_thread->thread_id == walk_state->thread->thread_id) || 192 if ((obj_desc->mutex.owner_thread->thread_id ==
184 (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore)) { 193 walk_state->thread->thread_id) ||
194 (obj_desc->mutex.semaphore ==
195 acpi_gbl_global_lock_semaphore)) {
185 /* 196 /*
186 * The mutex is already owned by this thread, 197 * The mutex is already owned by this thread,
187 * just increment the acquisition depth 198 * just increment the acquisition depth
@@ -221,6 +232,7 @@ acpi_ex_acquire_mutex (
221 * FUNCTION: acpi_ex_release_mutex 232 * FUNCTION: acpi_ex_release_mutex
222 * 233 *
223 * PARAMETERS: obj_desc - The object descriptor for this op 234 * PARAMETERS: obj_desc - The object descriptor for this op
235 * walk_state - Current method execution state
224 * 236 *
225 * RETURN: Status 237 * RETURN: Status
226 * 238 *
@@ -278,8 +290,9 @@ acpi_ex_release_mutex (
278 * equal to the current sync level 290 * equal to the current sync level
279 */ 291 */
280 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) { 292 if (obj_desc->mutex.sync_level > walk_state->thread->current_sync_level) {
281 ACPI_REPORT_ERROR (("Cannot release Mutex [%4.4s], incorrect sync_level\n", 293 ACPI_REPORT_ERROR ((
282 acpi_ut_get_node_name (obj_desc->mutex.node))); 294 "Cannot release Mutex [%4.4s], incorrect sync_level\n",
295 acpi_ut_get_node_name (obj_desc->mutex.node)));
283 return_ACPI_STATUS (AE_AML_MUTEX_ORDER); 296 return_ACPI_STATUS (AE_AML_MUTEX_ORDER);
284 } 297 }
285 298
@@ -313,11 +326,11 @@ acpi_ex_release_mutex (
313 * 326 *
314 * FUNCTION: acpi_ex_release_all_mutexes 327 * FUNCTION: acpi_ex_release_all_mutexes
315 * 328 *
316 * PARAMETERS: mutex_list - Head of the mutex list 329 * PARAMETERS: Thread - Current executing thread object
317 * 330 *
318 * RETURN: Status 331 * RETURN: Status
319 * 332 *
320 * DESCRIPTION: Release all mutexes in the list 333 * DESCRIPTION: Release all mutexes held by this thread
321 * 334 *
322 ******************************************************************************/ 335 ******************************************************************************/
323 336
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 7911c533c265..639f0bd3f6d8 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -50,13 +50,17 @@
50#define _COMPONENT ACPI_EXECUTER 50#define _COMPONENT ACPI_EXECUTER
51 ACPI_MODULE_NAME ("exnames") 51 ACPI_MODULE_NAME ("exnames")
52 52
53/* Local prototypes */
53 54
54/* AML Package Length encodings */ 55static char *
56acpi_ex_allocate_name_string (
57 u32 prefix_count,
58 u32 num_name_segs);
55 59
56#define ACPI_AML_PACKAGE_TYPE1 0x40 60static acpi_status
57#define ACPI_AML_PACKAGE_TYPE2 0x4000 61acpi_ex_name_segment (
58#define ACPI_AML_PACKAGE_TYPE3 0x400000 62 u8 **in_aml_address,
59#define ACPI_AML_PACKAGE_TYPE4 0x40000000 63 char *name_string);
60 64
61 65
62/******************************************************************************* 66/*******************************************************************************
@@ -64,7 +68,7 @@
64 * FUNCTION: acpi_ex_allocate_name_string 68 * FUNCTION: acpi_ex_allocate_name_string
65 * 69 *
66 * PARAMETERS: prefix_count - Count of parent levels. Special cases: 70 * PARAMETERS: prefix_count - Count of parent levels. Special cases:
67 * (-1) = root, 0 = none 71 * (-1)==root, 0==none
68 * num_name_segs - count of 4-character name segments 72 * num_name_segs - count of 4-character name segments
69 * 73 *
70 * RETURN: A pointer to the allocated string segment. This segment must 74 * RETURN: A pointer to the allocated string segment. This segment must
@@ -75,7 +79,7 @@
75 * 79 *
76 ******************************************************************************/ 80 ******************************************************************************/
77 81
78char * 82static char *
79acpi_ex_allocate_name_string ( 83acpi_ex_allocate_name_string (
80 u32 prefix_count, 84 u32 prefix_count,
81 u32 num_name_segs) 85 u32 num_name_segs)
@@ -88,7 +92,7 @@ acpi_ex_allocate_name_string (
88 92
89 93
90 /* 94 /*
91 * Allow room for all \ and ^ prefixes, all segments, and a multi_name_prefix. 95 * Allow room for all \ and ^ prefixes, all segments and a multi_name_prefix.
92 * Also, one byte for the null terminator. 96 * Also, one byte for the null terminator.
93 * This may actually be somewhat longer than needed. 97 * This may actually be somewhat longer than needed.
94 */ 98 */
@@ -107,7 +111,8 @@ acpi_ex_allocate_name_string (
107 */ 111 */
108 name_string = ACPI_MEM_ALLOCATE (size_needed); 112 name_string = ACPI_MEM_ALLOCATE (size_needed);
109 if (!name_string) { 113 if (!name_string) {
110 ACPI_REPORT_ERROR (("ex_allocate_name_string: Could not allocate size %d\n", size_needed)); 114 ACPI_REPORT_ERROR ((
115 "ex_allocate_name_string: Could not allocate size %d\n", size_needed));
111 return_PTR (NULL); 116 return_PTR (NULL);
112 } 117 }
113 118
@@ -152,15 +157,17 @@ acpi_ex_allocate_name_string (
152 * 157 *
153 * FUNCTION: acpi_ex_name_segment 158 * FUNCTION: acpi_ex_name_segment
154 * 159 *
155 * PARAMETERS: interpreter_mode - Current running mode (load1/Load2/Exec) 160 * PARAMETERS: in_aml_address - Pointer to the name in the AML code
161 * name_string - Where to return the name. The name is appended
162 * to any existing string to form a namepath
156 * 163 *
157 * RETURN: Status 164 * RETURN: Status
158 * 165 *
159 * DESCRIPTION: Execute a name segment (4 bytes) 166 * DESCRIPTION: Extract an ACPI name (4 bytes) from the AML byte stream
160 * 167 *
161 ******************************************************************************/ 168 ******************************************************************************/
162 169
163acpi_status 170static acpi_status
164acpi_ex_name_segment ( 171acpi_ex_name_segment (
165 u8 **in_aml_address, 172 u8 **in_aml_address,
166 char *name_string) 173 char *name_string)
@@ -223,10 +230,13 @@ acpi_ex_name_segment (
223 status = AE_CTRL_PENDING; 230 status = AE_CTRL_PENDING;
224 } 231 }
225 else { 232 else {
226 /* Segment started with one or more valid characters, but fewer than 4 */ 233 /*
227 234 * Segment started with one or more valid characters, but fewer than
235 * the required 4
236 */
228 status = AE_AML_BAD_NAME; 237 status = AE_AML_BAD_NAME;
229 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad character %02x in name, at %p\n", 238 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
239 "Bad character %02x in name, at %p\n",
230 *aml_address, aml_address)); 240 *aml_address, aml_address));
231 } 241 }
232 242
@@ -239,11 +249,16 @@ acpi_ex_name_segment (
239 * 249 *
240 * FUNCTION: acpi_ex_get_name_string 250 * FUNCTION: acpi_ex_get_name_string
241 * 251 *
242 * PARAMETERS: data_type - Data type to be associated with this name 252 * PARAMETERS: data_type - Object type to be associated with this
253 * name
254 * in_aml_address - Pointer to the namestring in the AML code
255 * out_name_string - Where the namestring is returned
256 * out_name_length - Length of the returned string
243 * 257 *
244 * RETURN: Status 258 * RETURN: Status, namestring and length
245 * 259 *
246 * DESCRIPTION: Get a name, including any prefixes. 260 * DESCRIPTION: Extract a full namepath from the AML byte stream,
261 * including any prefixes.
247 * 262 *
248 ******************************************************************************/ 263 ******************************************************************************/
249 264
@@ -286,7 +301,8 @@ acpi_ex_get_name_string (
286 switch (*aml_address) { 301 switch (*aml_address) {
287 case AML_ROOT_PREFIX: 302 case AML_ROOT_PREFIX:
288 303
289 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n", aml_address)); 304 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "root_prefix(\\) at %p\n",
305 aml_address));
290 306
291 /* 307 /*
292 * Remember that we have a root_prefix -- 308 * Remember that we have a root_prefix --
@@ -303,7 +319,8 @@ acpi_ex_get_name_string (
303 /* Increment past possibly multiple parent prefixes */ 319 /* Increment past possibly multiple parent prefixes */
304 320
305 do { 321 do {
306 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n", aml_address)); 322 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "parent_prefix (^) at %p\n",
323 aml_address));
307 324
308 aml_address++; 325 aml_address++;
309 prefix_count++; 326 prefix_count++;
@@ -321,13 +338,13 @@ acpi_ex_get_name_string (
321 break; 338 break;
322 } 339 }
323 340
324
325 /* Examine first character of name for name segment prefix operator */ 341 /* Examine first character of name for name segment prefix operator */
326 342
327 switch (*aml_address) { 343 switch (*aml_address) {
328 case AML_DUAL_NAME_PREFIX: 344 case AML_DUAL_NAME_PREFIX:
329 345
330 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n", aml_address)); 346 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "dual_name_prefix at %p\n",
347 aml_address));
331 348
332 aml_address++; 349 aml_address++;
333 name_string = acpi_ex_allocate_name_string (prefix_count, 2); 350 name_string = acpi_ex_allocate_name_string (prefix_count, 2);
@@ -349,7 +366,8 @@ acpi_ex_get_name_string (
349 366
350 case AML_MULTI_NAME_PREFIX_OP: 367 case AML_MULTI_NAME_PREFIX_OP:
351 368
352 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n", aml_address)); 369 ACPI_DEBUG_PRINT ((ACPI_DB_LOAD, "multi_name_prefix at %p\n",
370 aml_address));
353 371
354 /* Fetch count of segments remaining in name path */ 372 /* Fetch count of segments remaining in name path */
355 373
@@ -368,7 +386,8 @@ acpi_ex_get_name_string (
368 has_prefix = TRUE; 386 has_prefix = TRUE;
369 387
370 while (num_segments && 388 while (num_segments &&
371 (status = acpi_ex_name_segment (&aml_address, name_string)) == AE_OK) { 389 (status = acpi_ex_name_segment (&aml_address, name_string)) ==
390 AE_OK) {
372 num_segments--; 391 num_segments--;
373 } 392 }
374 393
@@ -380,7 +399,8 @@ acpi_ex_get_name_string (
380 /* null_name valid as of 8-12-98 ASL/AML Grammar Update */ 399 /* null_name valid as of 8-12-98 ASL/AML Grammar Update */
381 400
382 if (prefix_count == ACPI_UINT32_MAX) { 401 if (prefix_count == ACPI_UINT32_MAX) {
383 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "name_seg is \"\\\" followed by NULL\n")); 402 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
403 "name_seg is \"\\\" followed by NULL\n"));
384 } 404 }
385 405
386 /* Consume the NULL byte */ 406 /* Consume the NULL byte */
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 8482aefaf38b..dbdf8262ba00 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -97,7 +97,8 @@ acpi_ex_opcode_0A_0T_1R (
97 union acpi_operand_object *return_desc = NULL; 97 union acpi_operand_object *return_desc = NULL;
98 98
99 99
100 ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); 100 ACPI_FUNCTION_TRACE_STR ("ex_opcode_0A_0T_1R",
101 acpi_ps_get_opcode_name (walk_state->opcode));
101 102
102 103
103 /* Examine the AML opcode */ 104 /* Examine the AML opcode */
@@ -161,7 +162,8 @@ acpi_ex_opcode_1A_0T_0R (
161 acpi_status status = AE_OK; 162 acpi_status status = AE_OK;
162 163
163 164
164 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); 165 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_0R",
166 acpi_ps_get_opcode_name (walk_state->opcode));
165 167
166 168
167 /* Examine the AML opcode */ 169 /* Examine the AML opcode */
@@ -236,7 +238,8 @@ acpi_ex_opcode_1A_1T_0R (
236 union acpi_operand_object **operand = &walk_state->operands[0]; 238 union acpi_operand_object **operand = &walk_state->operands[0];
237 239
238 240
239 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); 241 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_0R",
242 acpi_ps_get_opcode_name (walk_state->opcode));
240 243
241 244
242 /* Examine the AML opcode */ 245 /* Examine the AML opcode */
@@ -289,7 +292,8 @@ acpi_ex_opcode_1A_1T_1R (
289 acpi_integer digit; 292 acpi_integer digit;
290 293
291 294
292 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); 295 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_1T_1R",
296 acpi_ps_get_opcode_name (walk_state->opcode));
293 297
294 298
295 /* Examine the AML opcode */ 299 /* Examine the AML opcode */
@@ -409,8 +413,10 @@ acpi_ex_opcode_1A_1T_1R (
409 for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) { 413 for (i = 0; (i < acpi_gbl_integer_nybble_width) && (digit > 0); i++) {
410 (void) acpi_ut_short_divide (digit, 10, &digit, &temp32); 414 (void) acpi_ut_short_divide (digit, 10, &digit, &temp32);
411 415
412 /* Insert the BCD digit that resides in the remainder from above */ 416 /*
413 417 * Insert the BCD digit that resides in the
418 * remainder from above
419 */
414 return_desc->integer.value |= (((acpi_integer) temp32) << 420 return_desc->integer.value |= (((acpi_integer) temp32) <<
415 ACPI_MUL_4 (i)); 421 ACPI_MUL_4 (i));
416 } 422 }
@@ -445,7 +451,8 @@ acpi_ex_opcode_1A_1T_1R (
445 451
446 /* Get the object reference, store it, and remove our reference */ 452 /* Get the object reference, store it, and remove our reference */
447 453
448 status = acpi_ex_get_object_reference (operand[0], &return_desc2, walk_state); 454 status = acpi_ex_get_object_reference (operand[0],
455 &return_desc2, walk_state);
449 if (ACPI_FAILURE (status)) { 456 if (ACPI_FAILURE (status)) {
450 goto cleanup; 457 goto cleanup;
451 } 458 }
@@ -482,10 +489,10 @@ acpi_ex_opcode_1A_1T_1R (
482 489
483 if (!walk_state->result_obj) { 490 if (!walk_state->result_obj) {
484 /* 491 /*
485 * Normally, we would remove a reference on the Operand[0] parameter; 492 * Normally, we would remove a reference on the Operand[0]
486 * But since it is being used as the internal return object 493 * parameter; But since it is being used as the internal return
487 * (meaning we would normally increment it), the two cancel out, 494 * object (meaning we would normally increment it), the two
488 * and we simply don't do anything. 495 * cancel out, and we simply don't do anything.
489 */ 496 */
490 walk_state->result_obj = operand[0]; 497 walk_state->result_obj = operand[0];
491 walk_state->operands[0] = NULL; /* Prevent deletion */ 498 walk_state->operands[0] = NULL; /* Prevent deletion */
@@ -549,9 +556,8 @@ acpi_ex_opcode_1A_1T_1R (
549 case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */ 556 case AML_SHIFT_LEFT_BIT_OP: /* shift_left_bit (Source, bit_num) */
550 case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */ 557 case AML_SHIFT_RIGHT_BIT_OP: /* shift_right_bit (Source, bit_num) */
551 558
552 /* 559 /* These are two obsolete opcodes */
553 * These are two obsolete opcodes 560
554 */
555 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 561 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
556 "%s is obsolete and not implemented\n", 562 "%s is obsolete and not implemented\n",
557 acpi_ps_get_opcode_name (walk_state->opcode))); 563 acpi_ps_get_opcode_name (walk_state->opcode)));
@@ -568,9 +574,8 @@ acpi_ex_opcode_1A_1T_1R (
568 } 574 }
569 575
570 if (ACPI_SUCCESS (status)) { 576 if (ACPI_SUCCESS (status)) {
571 /* 577 /* Store the return value computed above into the target object */
572 * Store the return value computed above into the target object 578
573 */
574 status = acpi_ex_store (return_desc, operand[1], walk_state); 579 status = acpi_ex_store (return_desc, operand[1], walk_state);
575 } 580 }
576 581
@@ -615,7 +620,8 @@ acpi_ex_opcode_1A_0T_1R (
615 acpi_integer value; 620 acpi_integer value;
616 621
617 622
618 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); 623 ACPI_FUNCTION_TRACE_STR ("ex_opcode_1A_0T_1R",
624 acpi_ps_get_opcode_name (walk_state->opcode));
619 625
620 626
621 /* Examine the AML opcode */ 627 /* Examine the AML opcode */
@@ -706,9 +712,9 @@ acpi_ex_opcode_1A_0T_1R (
706 712
707 /* 713 /*
708 * Note: The operand is not resolved at this point because we want to 714 * Note: The operand is not resolved at this point because we want to
709 * get the associated object, not its value. For example, we don't want 715 * get the associated object, not its value. For example, we don't
710 * to resolve a field_unit to its value, we want the actual field_unit 716 * want to resolve a field_unit to its value, we want the actual
711 * object. 717 * field_unit object.
712 */ 718 */
713 719
714 /* Get the type of the base object */ 720 /* Get the type of the base object */
@@ -738,7 +744,8 @@ acpi_ex_opcode_1A_0T_1R (
738 744
739 /* Get the base object */ 745 /* Get the base object */
740 746
741 status = acpi_ex_resolve_multiple (walk_state, operand[0], &type, &temp_desc); 747 status = acpi_ex_resolve_multiple (walk_state,
748 operand[0], &type, &temp_desc);
742 if (ACPI_FAILURE (status)) { 749 if (ACPI_FAILURE (status)) {
743 goto cleanup; 750 goto cleanup;
744 } 751 }
@@ -818,8 +825,10 @@ acpi_ex_opcode_1A_0T_1R (
818 825
819 /* Set Operand[0] to the value of the local/arg */ 826 /* Set Operand[0] to the value of the local/arg */
820 827
821 status = acpi_ds_method_data_get_value (operand[0]->reference.opcode, 828 status = acpi_ds_method_data_get_value (
822 operand[0]->reference.offset, walk_state, &temp_desc); 829 operand[0]->reference.opcode,
830 operand[0]->reference.offset,
831 walk_state, &temp_desc);
823 if (ACPI_FAILURE (status)) { 832 if (ACPI_FAILURE (status)) {
824 goto cleanup; 833 goto cleanup;
825 } 834 }
@@ -852,21 +861,26 @@ acpi_ex_opcode_1A_0T_1R (
852 case ACPI_TYPE_STRING: 861 case ACPI_TYPE_STRING:
853 862
854 /* 863 /*
855 * This is a deref_of (String). The string is a reference to a named ACPI object. 864 * This is a deref_of (String). The string is a reference
865 * to a named ACPI object.
856 * 866 *
857 * 1) Find the owning Node 867 * 1) Find the owning Node
858 * 2) Dereference the node to an actual object. Could be a Field, so we nee 868 * 2) Dereference the node to an actual object. Could be a
859 * to resolve the node to a value. 869 * Field, so we need to resolve the node to a value.
860 */ 870 */
861 status = acpi_ns_get_node_by_path (operand[0]->string.pointer, 871 status = acpi_ns_get_node_by_path (operand[0]->string.pointer,
862 walk_state->scope_info->scope.node, ACPI_NS_SEARCH_PARENT, 872 walk_state->scope_info->scope.node,
863 ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc)); 873 ACPI_NS_SEARCH_PARENT,
874 ACPI_CAST_INDIRECT_PTR (
875 struct acpi_namespace_node, &return_desc));
864 if (ACPI_FAILURE (status)) { 876 if (ACPI_FAILURE (status)) {
865 goto cleanup; 877 goto cleanup;
866 } 878 }
867 879
868 status = acpi_ex_resolve_node_to_value ( 880 status = acpi_ex_resolve_node_to_value (
869 ACPI_CAST_INDIRECT_PTR (struct acpi_namespace_node, &return_desc), walk_state); 881 ACPI_CAST_INDIRECT_PTR (
882 struct acpi_namespace_node, &return_desc),
883 walk_state);
870 goto cleanup; 884 goto cleanup;
871 885
872 886
@@ -883,14 +897,16 @@ acpi_ex_opcode_1A_0T_1R (
883 /* 897 /*
884 * This is a deref_of (object_reference) 898 * This is a deref_of (object_reference)
885 * Get the actual object from the Node (This is the dereference). 899 * Get the actual object from the Node (This is the dereference).
886 * -- This case may only happen when a local_x or arg_x is dereferenced above. 900 * This case may only happen when a local_x or arg_x is
901 * dereferenced above.
887 */ 902 */
888 return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) operand[0]); 903 return_desc = acpi_ns_get_attached_object (
904 (struct acpi_namespace_node *) operand[0]);
889 } 905 }
890 else { 906 else {
891 /* 907 /*
892 * This must be a reference object produced by either the Index() or 908 * This must be a reference object produced by either the
893 * ref_of() operator 909 * Index() or ref_of() operator
894 */ 910 */
895 switch (operand[0]->reference.opcode) { 911 switch (operand[0]->reference.opcode) {
896 case AML_INDEX_OP: 912 case AML_INDEX_OP:
@@ -931,8 +947,8 @@ acpi_ex_opcode_1A_0T_1R (
931 case ACPI_TYPE_PACKAGE: 947 case ACPI_TYPE_PACKAGE:
932 948
933 /* 949 /*
934 * Return the referenced element of the package. We must add 950 * Return the referenced element of the package. We must
935 * another reference to the referenced object, however. 951 * add another reference to the referenced object, however.
936 */ 952 */
937 return_desc = *(operand[0]->reference.where); 953 return_desc = *(operand[0]->reference.where);
938 if (!return_desc) { 954 if (!return_desc) {
@@ -967,9 +983,11 @@ acpi_ex_opcode_1A_0T_1R (
967 983
968 return_desc = operand[0]->reference.object; 984 return_desc = operand[0]->reference.object;
969 985
970 if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) == ACPI_DESC_TYPE_NAMED) { 986 if (ACPI_GET_DESCRIPTOR_TYPE (return_desc) ==
987 ACPI_DESC_TYPE_NAMED) {
971 988
972 return_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) return_desc); 989 return_desc = acpi_ns_get_attached_object (
990 (struct acpi_namespace_node *) return_desc);
973 } 991 }
974 992
975 /* Add another reference to the object! */ 993 /* Add another reference to the object! */
diff --git a/drivers/acpi/executer/exoparg2.c b/drivers/acpi/executer/exoparg2.c
index 8be4d80ceed5..7429032c2b6c 100644
--- a/drivers/acpi/executer/exoparg2.c
+++ b/drivers/acpi/executer/exoparg2.c
@@ -118,7 +118,7 @@ acpi_ex_opcode_2A_0T_0R (
118 118
119 value = (u32) operand[1]->integer.value; 119 value = (u32) operand[1]->integer.value;
120 120
121 /* Notifies allowed on this object? */ 121 /* Are notifies allowed on this object? */
122 122
123 if (!acpi_ev_is_notify_object (node)) { 123 if (!acpi_ev_is_notify_object (node)) {
124 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 124 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
@@ -203,11 +203,12 @@ acpi_ex_opcode_2A_2T_1R (
203 acpi_ps_get_opcode_name (walk_state->opcode)); 203 acpi_ps_get_opcode_name (walk_state->opcode));
204 204
205 205
206 /* 206 /* Execute the opcode */
207 * Execute the opcode 207
208 */
209 switch (walk_state->opcode) { 208 switch (walk_state->opcode) {
210 case AML_DIVIDE_OP: /* Divide (Dividend, Divisor, remainder_result quotient_result) */ 209 case AML_DIVIDE_OP:
210
211 /* Divide (Dividend, Divisor, remainder_result quotient_result) */
211 212
212 return_desc1 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); 213 return_desc1 = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
213 if (!return_desc1) { 214 if (!return_desc1) {
@@ -241,7 +242,6 @@ acpi_ex_opcode_2A_2T_1R (
241 goto cleanup; 242 goto cleanup;
242 } 243 }
243 244
244
245 /* Store the results to the target reference operands */ 245 /* Store the results to the target reference operands */
246 246
247 status = acpi_ex_store (return_desc2, operand[2], walk_state); 247 status = acpi_ex_store (return_desc2, operand[2], walk_state);
@@ -295,7 +295,7 @@ acpi_ex_opcode_2A_1T_1R (
295{ 295{
296 union acpi_operand_object **operand = &walk_state->operands[0]; 296 union acpi_operand_object **operand = &walk_state->operands[0];
297 union acpi_operand_object *return_desc = NULL; 297 union acpi_operand_object *return_desc = NULL;
298 u32 index; 298 acpi_integer index;
299 acpi_status status = AE_OK; 299 acpi_status status = AE_OK;
300 acpi_size length; 300 acpi_size length;
301 301
@@ -304,9 +304,8 @@ acpi_ex_opcode_2A_1T_1R (
304 acpi_ps_get_opcode_name (walk_state->opcode)); 304 acpi_ps_get_opcode_name (walk_state->opcode));
305 305
306 306
307 /* 307 /* Execute the opcode */
308 * Execute the opcode 308
309 */
310 if (walk_state->op_info->flags & AML_MATH) { 309 if (walk_state->op_info->flags & AML_MATH) {
311 /* All simple math opcodes (add, etc.) */ 310 /* All simple math opcodes (add, etc.) */
312 311
@@ -322,9 +321,8 @@ acpi_ex_opcode_2A_1T_1R (
322 goto store_result_to_target; 321 goto store_result_to_target;
323 } 322 }
324 323
325
326 switch (walk_state->opcode) { 324 switch (walk_state->opcode) {
327 case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */ 325 case AML_MOD_OP: /* Mod (Dividend, Divisor, remainder_result (ACPI 2.0) */
328 326
329 return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER); 327 return_desc = acpi_ut_create_internal_object (ACPI_TYPE_INTEGER);
330 if (!return_desc) { 328 if (!return_desc) {
@@ -341,18 +339,19 @@ acpi_ex_opcode_2A_1T_1R (
341 break; 339 break;
342 340
343 341
344 case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */ 342 case AML_CONCAT_OP: /* Concatenate (Data1, Data2, Result) */
345 343
346 status = acpi_ex_do_concatenate (operand[0], operand[1], 344 status = acpi_ex_do_concatenate (operand[0], operand[1],
347 &return_desc, walk_state); 345 &return_desc, walk_state);
348 break; 346 break;
349 347
350 348
351 case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */ 349 case AML_TO_STRING_OP: /* to_string (Buffer, Length, Result) (ACPI 2.0) */
352 350
353 /* 351 /*
354 * Input object is guaranteed to be a buffer at this point (it may have 352 * Input object is guaranteed to be a buffer at this point (it may have
355 * been converted.) Copy the raw buffer data to a new object of type String. 353 * been converted.) Copy the raw buffer data to a new object of
354 * type String.
356 */ 355 */
357 356
358 /* 357 /*
@@ -383,14 +382,16 @@ acpi_ex_opcode_2A_1T_1R (
383 goto cleanup; 382 goto cleanup;
384 } 383 }
385 384
386 /* Copy the raw buffer data with no transform. NULL terminated already. */ 385 /* Copy the raw buffer data with no transform. NULL terminated already*/
387 386
388 ACPI_MEMCPY (return_desc->string.pointer, 387 ACPI_MEMCPY (return_desc->string.pointer,
389 operand[0]->buffer.pointer, length); 388 operand[0]->buffer.pointer, length);
390 break; 389 break;
391 390
392 391
393 case AML_CONCAT_RES_OP: /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */ 392 case AML_CONCAT_RES_OP:
393
394 /* concatenate_res_template (Buffer, Buffer, Result) (ACPI 2.0) */
394 395
395 status = acpi_ex_concat_template (operand[0], operand[1], 396 status = acpi_ex_concat_template (operand[0], operand[1],
396 &return_desc, walk_state); 397 &return_desc, walk_state);
@@ -407,33 +408,33 @@ acpi_ex_opcode_2A_1T_1R (
407 goto cleanup; 408 goto cleanup;
408 } 409 }
409 410
410 index = (u32) operand[1]->integer.value; 411 index = operand[1]->integer.value;
412
413 /* At this point, the Source operand is a Package, Buffer, or String */
411 414
412 /*
413 * At this point, the Source operand is a Package, Buffer, or String
414 */
415 if (ACPI_GET_OBJECT_TYPE (operand[0]) == ACPI_TYPE_PACKAGE) { 415 if (ACPI_GET_OBJECT_TYPE (operand[0]) == ACPI_TYPE_PACKAGE) {
416 /* Object to be indexed is a Package */ 416 /* Object to be indexed is a Package */
417 417
418 if (index >= operand[0]->package.count) { 418 if (index >= operand[0]->package.count) {
419 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 419 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
420 "Index value (%X) beyond package end (%X)\n", 420 "Index value (%X%8.8X) beyond package end (%X)\n",
421 index, operand[0]->package.count)); 421 ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
422 status = AE_AML_PACKAGE_LIMIT; 422 status = AE_AML_PACKAGE_LIMIT;
423 goto cleanup; 423 goto cleanup;
424 } 424 }
425 425
426 return_desc->reference.target_type = ACPI_TYPE_PACKAGE; 426 return_desc->reference.target_type = ACPI_TYPE_PACKAGE;
427 return_desc->reference.object = operand[0]; 427 return_desc->reference.object = operand[0];
428 return_desc->reference.where = &operand[0]->package.elements [index]; 428 return_desc->reference.where = &operand[0]->package.elements [
429 index];
429 } 430 }
430 else { 431 else {
431 /* Object to be indexed is a Buffer/String */ 432 /* Object to be indexed is a Buffer/String */
432 433
433 if (index >= operand[0]->buffer.length) { 434 if (index >= operand[0]->buffer.length) {
434 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 435 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
435 "Index value (%X) beyond end of buffer (%X)\n", 436 "Index value (%X%8.8X) beyond end of buffer (%X)\n",
436 index, operand[0]->buffer.length)); 437 ACPI_FORMAT_UINT64 (index), operand[0]->buffer.length));
437 status = AE_AML_BUFFER_LIMIT; 438 status = AE_AML_BUFFER_LIMIT;
438 goto cleanup; 439 goto cleanup;
439 } 440 }
@@ -451,7 +452,7 @@ acpi_ex_opcode_2A_1T_1R (
451 /* Complete the Index reference object */ 452 /* Complete the Index reference object */
452 453
453 return_desc->reference.opcode = AML_INDEX_OP; 454 return_desc->reference.opcode = AML_INDEX_OP;
454 return_desc->reference.offset = index; 455 return_desc->reference.offset = (u32) index;
455 456
456 /* Store the reference to the Target */ 457 /* Store the reference to the Target */
457 458
@@ -536,22 +537,24 @@ acpi_ex_opcode_2A_0T_1R (
536 goto cleanup; 537 goto cleanup;
537 } 538 }
538 539
539 /* 540 /* Execute the Opcode */
540 * Execute the Opcode 541
541 */ 542 if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) {
542 if (walk_state->op_info->flags & AML_LOGICAL_NUMERIC) /* logical_op (Operand0, Operand1) */ { 543 /* logical_op (Operand0, Operand1) */
544
543 status = acpi_ex_do_logical_numeric_op (walk_state->opcode, 545 status = acpi_ex_do_logical_numeric_op (walk_state->opcode,
544 operand[0]->integer.value, operand[1]->integer.value, 546 operand[0]->integer.value, operand[1]->integer.value,
545 &logical_result); 547 &logical_result);
546 goto store_logical_result; 548 goto store_logical_result;
547 } 549 }
548 else if (walk_state->op_info->flags & AML_LOGICAL) /* logical_op (Operand0, Operand1) */ { 550 else if (walk_state->op_info->flags & AML_LOGICAL) {
551 /* logical_op (Operand0, Operand1) */
552
549 status = acpi_ex_do_logical_op (walk_state->opcode, operand[0], 553 status = acpi_ex_do_logical_op (walk_state->opcode, operand[0],
550 operand[1], &logical_result); 554 operand[1], &logical_result);
551 goto store_logical_result; 555 goto store_logical_result;
552 } 556 }
553 557
554
555 switch (walk_state->opcode) { 558 switch (walk_state->opcode) {
556 case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */ 559 case AML_ACQUIRE_OP: /* Acquire (mutex_object, Timeout) */
557 560
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 29d0b167745d..23b068adbf58 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -97,11 +97,12 @@ acpi_ex_opcode_3A_0T_0R (
97 acpi_status status = AE_OK; 97 acpi_status status = AE_OK;
98 98
99 99
100 ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R", acpi_ps_get_opcode_name (walk_state->opcode)); 100 ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_0T_0R",
101 acpi_ps_get_opcode_name (walk_state->opcode));
101 102
102 103
103 switch (walk_state->opcode) { 104 switch (walk_state->opcode) {
104 case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */ 105 case AML_FATAL_OP: /* Fatal (fatal_type fatal_code fatal_arg) */
105 106
106 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 107 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
107 "fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n", 108 "fatal_op: Type %X Code %X Arg %X <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n",
@@ -116,9 +117,8 @@ acpi_ex_opcode_3A_0T_0R (
116 fatal->argument = (u32) operand[2]->integer.value; 117 fatal->argument = (u32) operand[2]->integer.value;
117 } 118 }
118 119
119 /* 120 /* Always signal the OS! */
120 * Always signal the OS! 121
121 */
122 status = acpi_os_signal (ACPI_SIGNAL_FATAL, fatal); 122 status = acpi_os_signal (ACPI_SIGNAL_FATAL, fatal);
123 123
124 /* Might return while OS is shutting down, just continue */ 124 /* Might return while OS is shutting down, just continue */
@@ -162,21 +162,23 @@ acpi_ex_opcode_3A_1T_1R (
162 union acpi_operand_object *return_desc = NULL; 162 union acpi_operand_object *return_desc = NULL;
163 char *buffer; 163 char *buffer;
164 acpi_status status = AE_OK; 164 acpi_status status = AE_OK;
165 acpi_native_uint index; 165 acpi_integer index;
166 acpi_size length; 166 acpi_size length;
167 167
168 168
169 ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); 169 ACPI_FUNCTION_TRACE_STR ("ex_opcode_3A_1T_1R",
170 acpi_ps_get_opcode_name (walk_state->opcode));
170 171
171 172
172 switch (walk_state->opcode) { 173 switch (walk_state->opcode) {
173 case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */ 174 case AML_MID_OP: /* Mid (Source[0], Index[1], Length[2], Result[3]) */
174 175
175 /* 176 /*
176 * Create the return object. The Source operand is guaranteed to be 177 * Create the return object. The Source operand is guaranteed to be
177 * either a String or a Buffer, so just use its type. 178 * either a String or a Buffer, so just use its type.
178 */ 179 */
179 return_desc = acpi_ut_create_internal_object (ACPI_GET_OBJECT_TYPE (operand[0])); 180 return_desc = acpi_ut_create_internal_object (
181 ACPI_GET_OBJECT_TYPE (operand[0]));
180 if (!return_desc) { 182 if (!return_desc) {
181 status = AE_NO_MEMORY; 183 status = AE_NO_MEMORY;
182 goto cleanup; 184 goto cleanup;
@@ -184,7 +186,7 @@ acpi_ex_opcode_3A_1T_1R (
184 186
185 /* Get the Integer values from the objects */ 187 /* Get the Integer values from the objects */
186 188
187 index = (acpi_native_uint) operand[1]->integer.value; 189 index = operand[1]->integer.value;
188 length = (acpi_size) operand[2]->integer.value; 190 length = (acpi_size) operand[2]->integer.value;
189 191
190 /* 192 /*
@@ -197,7 +199,8 @@ acpi_ex_opcode_3A_1T_1R (
197 199
198 if ((index + length) > 200 if ((index + length) >
199 operand[0]->string.length) { 201 operand[0]->string.length) {
200 length = (acpi_size) operand[0]->string.length - index; 202 length = (acpi_size) operand[0]->string.length -
203 (acpi_size) index;
201 } 204 }
202 205
203 /* Allocate a new buffer for the String/Buffer */ 206 /* Allocate a new buffer for the String/Buffer */
diff --git a/drivers/acpi/executer/exoparg6.c b/drivers/acpi/executer/exoparg6.c
index d32624331626..17f81d42ee41 100644
--- a/drivers/acpi/executer/exoparg6.c
+++ b/drivers/acpi/executer/exoparg6.c
@@ -75,6 +75,14 @@
75 * fully resolved operands. 75 * fully resolved operands.
76!*/ 76!*/
77 77
78/* Local prototypes */
79
80static u8
81acpi_ex_do_match (
82 u32 match_op,
83 union acpi_operand_object *package_obj,
84 union acpi_operand_object *match_obj);
85
78 86
79/******************************************************************************* 87/*******************************************************************************
80 * 88 *
@@ -92,7 +100,7 @@
92 * 100 *
93 ******************************************************************************/ 101 ******************************************************************************/
94 102
95u8 103static u8
96acpi_ex_do_match ( 104acpi_ex_do_match (
97 u32 match_op, 105 u32 match_op,
98 union acpi_operand_object *package_obj, 106 union acpi_operand_object *package_obj,
@@ -216,11 +224,12 @@ acpi_ex_opcode_6A_0T_1R (
216 union acpi_operand_object **operand = &walk_state->operands[0]; 224 union acpi_operand_object **operand = &walk_state->operands[0];
217 union acpi_operand_object *return_desc = NULL; 225 union acpi_operand_object *return_desc = NULL;
218 acpi_status status = AE_OK; 226 acpi_status status = AE_OK;
219 u32 index; 227 acpi_integer index;
220 union acpi_operand_object *this_element; 228 union acpi_operand_object *this_element;
221 229
222 230
223 ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R", acpi_ps_get_opcode_name (walk_state->opcode)); 231 ACPI_FUNCTION_TRACE_STR ("ex_opcode_6A_0T_1R",
232 acpi_ps_get_opcode_name (walk_state->opcode));
224 233
225 234
226 switch (walk_state->opcode) { 235 switch (walk_state->opcode) {
@@ -241,9 +250,11 @@ acpi_ex_opcode_6A_0T_1R (
241 250
242 /* Get the package start_index, validate against the package length */ 251 /* Get the package start_index, validate against the package length */
243 252
244 index = (u32) operand[5]->integer.value; 253 index = operand[5]->integer.value;
245 if (index >= (u32) operand[0]->package.count) { 254 if (index >= operand[0]->package.count) {
246 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Index beyond package end\n")); 255 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
256 "Index (%X%8.8X) beyond package end (%X)\n",
257 ACPI_FORMAT_UINT64 (index), operand[0]->package.count));
247 status = AE_AML_PACKAGE_LIMIT; 258 status = AE_AML_PACKAGE_LIMIT;
248 goto cleanup; 259 goto cleanup;
249 } 260 }
@@ -314,13 +325,12 @@ acpi_ex_opcode_6A_0T_1R (
314 325
315 default: 326 default:
316 327
317 ACPI_REPORT_ERROR (("acpi_ex_opcode_3A_0T_0R: Unknown opcode %X\n", 328 ACPI_REPORT_ERROR (("acpi_ex_opcode_6A_0T_1R: Unknown opcode %X\n",
318 walk_state->opcode)); 329 walk_state->opcode));
319 status = AE_AML_BAD_OPCODE; 330 status = AE_AML_BAD_OPCODE;
320 goto cleanup; 331 goto cleanup;
321 } 332 }
322 333
323
324 walk_state->result_obj = return_desc; 334 walk_state->result_obj = return_desc;
325 335
326 336
diff --git a/drivers/acpi/executer/exprep.c b/drivers/acpi/executer/exprep.c
index 264ef3bba31b..c9e3c68b5549 100644
--- a/drivers/acpi/executer/exprep.c
+++ b/drivers/acpi/executer/exprep.c
@@ -52,8 +52,23 @@
52#define _COMPONENT ACPI_EXECUTER 52#define _COMPONENT ACPI_EXECUTER
53 ACPI_MODULE_NAME ("exprep") 53 ACPI_MODULE_NAME ("exprep")
54 54
55/* Local prototypes */
56
57static u32
58acpi_ex_decode_field_access (
59 union acpi_operand_object *obj_desc,
60 u8 field_flags,
61 u32 *return_byte_alignment);
62
55 63
56#ifdef ACPI_UNDER_DEVELOPMENT 64#ifdef ACPI_UNDER_DEVELOPMENT
65
66static u32
67acpi_ex_generate_access (
68 u32 field_bit_offset,
69 u32 field_bit_length,
70 u32 region_length);
71
57/******************************************************************************* 72/*******************************************************************************
58 * 73 *
59 * FUNCTION: acpi_ex_generate_access 74 * FUNCTION: acpi_ex_generate_access
@@ -99,12 +114,14 @@ acpi_ex_generate_access (
99 /* Round Field start offset and length to "minimal" byte boundaries */ 114 /* Round Field start offset and length to "minimal" byte boundaries */
100 115
101 field_byte_offset = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8)); 116 field_byte_offset = ACPI_DIV_8 (ACPI_ROUND_DOWN (field_bit_offset, 8));
102 field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length + field_bit_offset, 8)); 117 field_byte_end_offset = ACPI_DIV_8 (ACPI_ROUND_UP (field_bit_length +
118 field_bit_offset, 8));
103 field_byte_length = field_byte_end_offset - field_byte_offset; 119 field_byte_length = field_byte_end_offset - field_byte_offset;
104 120
105 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 121 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
106 "Bit length %d, Bit offset %d\n", 122 "Bit length %d, Bit offset %d\n",
107 field_bit_length, field_bit_offset)); 123 field_bit_length, field_bit_offset));
124
108 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 125 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
109 "Byte Length %d, Byte Offset %d, End Offset %d\n", 126 "Byte Length %d, Byte Offset %d, End Offset %d\n",
110 field_byte_length, field_byte_offset, field_byte_end_offset)); 127 field_byte_length, field_byte_offset, field_byte_end_offset));
@@ -117,20 +134,26 @@ acpi_ex_generate_access (
117 */ 134 */
118 for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) { 135 for (access_byte_width = 1; access_byte_width <= 8; access_byte_width <<= 1) {
119 /* 136 /*
120 * 1) Round end offset up to next access boundary and make sure that this 137 * 1) Round end offset up to next access boundary and make sure that
121 * does not go beyond the end of the parent region. 138 * this does not go beyond the end of the parent region.
122 * 2) When the Access width is greater than the field_byte_length, we are done. 139 * 2) When the Access width is greater than the field_byte_length, we
123 * (This does not optimize for the perfectly aligned case yet). 140 * are done. (This does not optimize for the perfectly aligned
141 * case yet).
124 */ 142 */
125 if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) { 143 if (ACPI_ROUND_UP (field_byte_end_offset, access_byte_width) <= region_length) {
126 field_start_offset = ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) / 144 field_start_offset =
127 access_byte_width; 145 ACPI_ROUND_DOWN (field_byte_offset, access_byte_width) /
128 field_end_offset = ACPI_ROUND_UP ((field_byte_length + field_byte_offset), 146 access_byte_width;
129 access_byte_width) / access_byte_width; 147
130 accesses = field_end_offset - field_start_offset; 148 field_end_offset =
149 ACPI_ROUND_UP ((field_byte_length + field_byte_offset),
150 access_byte_width) / access_byte_width;
151
152 accesses = field_end_offset - field_start_offset;
131 153
132 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 154 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
133 "access_width %d end is within region\n", access_byte_width)); 155 "access_width %d end is within region\n", access_byte_width));
156
134 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 157 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
135 "Field Start %d, Field End %d -- requires %d accesses\n", 158 "Field Start %d, Field End %d -- requires %d accesses\n",
136 field_start_offset, field_end_offset, accesses)); 159 field_start_offset, field_end_offset, accesses));
@@ -139,8 +162,8 @@ acpi_ex_generate_access (
139 162
140 if (accesses <= 1) { 163 if (accesses <= 1) {
141 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 164 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
142 "Entire field can be accessed with one operation of size %d\n", 165 "Entire field can be accessed with one operation of size %d\n",
143 access_byte_width)); 166 access_byte_width));
144 return_VALUE (access_byte_width); 167 return_VALUE (access_byte_width);
145 } 168 }
146 169
@@ -155,15 +178,20 @@ acpi_ex_generate_access (
155 } 178 }
156 else { 179 else {
157 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 180 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
158 "access_width %d end is NOT within region\n", access_byte_width)); 181 "access_width %d end is NOT within region\n", access_byte_width));
159 if (access_byte_width == 1) { 182 if (access_byte_width == 1) {
160 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 183 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
161 "Field goes beyond end-of-region!\n")); 184 "Field goes beyond end-of-region!\n"));
162 return_VALUE (0); /* Field does not fit in the region at all */
163 }
164 185
165 /* This width goes beyond the end-of-region, back off to previous access */ 186 /* Field does not fit in the region at all */
166 187
188 return_VALUE (0);
189 }
190
191 /*
192 * This width goes beyond the end-of-region, back off to
193 * previous access
194 */
167 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 195 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
168 "Backing off to previous optimal access width of %d\n", 196 "Backing off to previous optimal access width of %d\n",
169 minimum_access_width)); 197 minimum_access_width));
@@ -171,8 +199,10 @@ acpi_ex_generate_access (
171 } 199 }
172 } 200 }
173 201
174 /* Could not read/write field with one operation, just use max access width */ 202 /*
175 203 * Could not read/write field with one operation,
204 * just use max access width
205 */
176 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD, 206 ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
177 "Cannot access field in one operation, using width 8\n")); 207 "Cannot access field in one operation, using width 8\n"));
178 return_VALUE (8); 208 return_VALUE (8);
@@ -184,8 +214,9 @@ acpi_ex_generate_access (
184 * 214 *
185 * FUNCTION: acpi_ex_decode_field_access 215 * FUNCTION: acpi_ex_decode_field_access
186 * 216 *
187 * PARAMETERS: Access - Encoded field access bits 217 * PARAMETERS: obj_desc - Field object
188 * Length - Field length. 218 * field_flags - Encoded fieldflags (contains access bits)
219 * return_byte_alignment - Where the byte alignment is returned
189 * 220 *
190 * RETURN: Field granularity (8, 16, 32 or 64) and 221 * RETURN: Field granularity (8, 16, 32 or 64) and
191 * byte_alignment (1, 2, 3, or 4) 222 * byte_alignment (1, 2, 3, or 4)
@@ -214,9 +245,10 @@ acpi_ex_decode_field_access (
214 case AML_FIELD_ACCESS_ANY: 245 case AML_FIELD_ACCESS_ANY:
215 246
216#ifdef ACPI_UNDER_DEVELOPMENT 247#ifdef ACPI_UNDER_DEVELOPMENT
217 byte_alignment = acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset, 248 byte_alignment =
218 obj_desc->common_field.bit_length, 249 acpi_ex_generate_access (obj_desc->common_field.start_field_bit_offset,
219 0xFFFFFFFF /* Temp until we pass region_length as param */); 250 obj_desc->common_field.bit_length,
251 0xFFFFFFFF /* Temp until we pass region_length as parameter */);
220 bit_length = byte_alignment * 8; 252 bit_length = byte_alignment * 8;
221#endif 253#endif
222 254
@@ -276,6 +308,7 @@ acpi_ex_decode_field_access (
276 * field_flags - Access, lock_rule, and update_rule. 308 * field_flags - Access, lock_rule, and update_rule.
277 * The format of a field_flag is described 309 * The format of a field_flag is described
278 * in the ACPI specification 310 * in the ACPI specification
311 * field_attribute - Special attributes (not used)
279 * field_bit_position - Field start position 312 * field_bit_position - Field start position
280 * field_bit_length - Field length in number of bits 313 * field_bit_length - Field length in number of bits
281 * 314 *
@@ -337,7 +370,7 @@ acpi_ex_prep_common_field_object (
337 /* Setup width (access granularity) fields */ 370 /* Setup width (access granularity) fields */
338 371
339 obj_desc->common_field.access_byte_width = (u8) 372 obj_desc->common_field.access_byte_width = (u8)
340 ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */ 373 ACPI_DIV_8 (access_bit_width); /* 1, 2, 4, 8 */
341 374
342 obj_desc->common_field.access_bit_width = (u8) access_bit_width; 375 obj_desc->common_field.access_bit_width = (u8) access_bit_width;
343 376
@@ -380,11 +413,7 @@ acpi_ex_prep_common_field_object (
380 * 413 *
381 * FUNCTION: acpi_ex_prep_field_value 414 * FUNCTION: acpi_ex_prep_field_value
382 * 415 *
383 * PARAMETERS: Node - Owning Node 416 * PARAMETERS: Info - Contains all field creation info
384 * region_node - Region in which field is being defined
385 * field_flags - Access, lock_rule, and update_rule.
386 * field_bit_position - Field start position
387 * field_bit_length - Field length in number of bits
388 * 417 *
389 * RETURN: Status 418 * RETURN: Status
390 * 419 *
@@ -445,7 +474,7 @@ acpi_ex_prep_field_value (
445 switch (info->field_type) { 474 switch (info->field_type) {
446 case ACPI_TYPE_LOCAL_REGION_FIELD: 475 case ACPI_TYPE_LOCAL_REGION_FIELD:
447 476
448 obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node); 477 obj_desc->field.region_obj = acpi_ns_get_attached_object (info->region_node);
449 478
450 /* An additional reference for the container */ 479 /* An additional reference for the container */
451 480
@@ -461,8 +490,10 @@ acpi_ex_prep_field_value (
461 case ACPI_TYPE_LOCAL_BANK_FIELD: 490 case ACPI_TYPE_LOCAL_BANK_FIELD:
462 491
463 obj_desc->bank_field.value = info->bank_value; 492 obj_desc->bank_field.value = info->bank_value;
464 obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (info->region_node); 493 obj_desc->bank_field.region_obj = acpi_ns_get_attached_object (
465 obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (info->register_node); 494 info->region_node);
495 obj_desc->bank_field.bank_obj = acpi_ns_get_attached_object (
496 info->register_node);
466 497
467 /* An additional reference for the attached objects */ 498 /* An additional reference for the attached objects */
468 499
@@ -481,10 +512,13 @@ acpi_ex_prep_field_value (
481 512
482 case ACPI_TYPE_LOCAL_INDEX_FIELD: 513 case ACPI_TYPE_LOCAL_INDEX_FIELD:
483 514
484 obj_desc->index_field.index_obj = acpi_ns_get_attached_object (info->register_node); 515 obj_desc->index_field.index_obj = acpi_ns_get_attached_object (
485 obj_desc->index_field.data_obj = acpi_ns_get_attached_object (info->data_register_node); 516 info->register_node);
517 obj_desc->index_field.data_obj = acpi_ns_get_attached_object (
518 info->data_register_node);
486 obj_desc->index_field.value = (u32) 519 obj_desc->index_field.value = (u32)
487 (info->field_bit_position / ACPI_MUL_8 (obj_desc->field.access_byte_width)); 520 (info->field_bit_position / ACPI_MUL_8 (
521 obj_desc->field.access_byte_width));
488 522
489 if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) { 523 if (!obj_desc->index_field.data_obj || !obj_desc->index_field.index_obj) {
490 ACPI_REPORT_ERROR (("Null Index Object during field prep\n")); 524 ACPI_REPORT_ERROR (("Null Index Object during field prep\n"));
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 7cfd0684c70b..723aaef4bb4a 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -115,7 +115,6 @@ acpi_ex_system_memory_space_handler (
115 return_ACPI_STATUS (AE_AML_OPERAND_VALUE); 115 return_ACPI_STATUS (AE_AML_OPERAND_VALUE);
116 } 116 }
117 117
118
119#ifndef ACPI_MISALIGNED_TRANSFERS 118#ifndef ACPI_MISALIGNED_TRANSFERS
120 /* 119 /*
121 * Hardware does not support non-aligned data transfers, we must verify 120 * Hardware does not support non-aligned data transfers, we must verify
@@ -134,7 +133,8 @@ acpi_ex_system_memory_space_handler (
134 */ 133 */
135 if ((address < mem_info->mapped_physical_address) || 134 if ((address < mem_info->mapped_physical_address) ||
136 (((acpi_integer) address + length) > 135 (((acpi_integer) address + length) >
137 ((acpi_integer) mem_info->mapped_physical_address + mem_info->mapped_length))) { 136 ((acpi_integer)
137 mem_info->mapped_physical_address + mem_info->mapped_length))) {
138 /* 138 /*
139 * The request cannot be resolved by the current memory mapping; 139 * The request cannot be resolved by the current memory mapping;
140 * Delete the existing mapping and create a new one. 140 * Delete the existing mapping and create a new one.
@@ -150,7 +150,9 @@ acpi_ex_system_memory_space_handler (
150 * Don't attempt to map memory beyond the end of the region, and 150 * Don't attempt to map memory beyond the end of the region, and
151 * constrain the maximum mapping size to something reasonable. 151 * constrain the maximum mapping size to something reasonable.
152 */ 152 */
153 window_size = (acpi_size) ((mem_info->address + mem_info->length) - address); 153 window_size = (acpi_size)
154 ((mem_info->address + mem_info->length) - address);
155
154 if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) { 156 if (window_size > ACPI_SYSMEM_REGION_WINDOW_SIZE) {
155 window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE; 157 window_size = ACPI_SYSMEM_REGION_WINDOW_SIZE;
156 } 158 }
@@ -160,8 +162,9 @@ acpi_ex_system_memory_space_handler (
160 status = acpi_os_map_memory (address, window_size, 162 status = acpi_os_map_memory (address, window_size,
161 (void **) &mem_info->mapped_logical_address); 163 (void **) &mem_info->mapped_logical_address);
162 if (ACPI_FAILURE (status)) { 164 if (ACPI_FAILURE (status)) {
163 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not map memory at %8.8X%8.8X, size %X\n", 165 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
164 ACPI_FORMAT_UINT64 (address), (u32) window_size)); 166 "Could not map memory at %8.8X%8.8X, size %X\n",
167 ACPI_FORMAT_UINT64 (address), (u32) window_size));
165 mem_info->mapped_length = 0; 168 mem_info->mapped_length = 0;
166 return_ACPI_STATUS (status); 169 return_ACPI_STATUS (status);
167 } 170 }
@@ -177,10 +180,12 @@ acpi_ex_system_memory_space_handler (
177 * access 180 * access
178 */ 181 */
179 logical_addr_ptr = mem_info->mapped_logical_address + 182 logical_addr_ptr = mem_info->mapped_logical_address +
180 ((acpi_integer) address - (acpi_integer) mem_info->mapped_physical_address); 183 ((acpi_integer) address -
184 (acpi_integer) mem_info->mapped_physical_address);
181 185
182 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 186 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
183 "system_memory %d (%d width) Address=%8.8X%8.8X\n", function, bit_width, 187 "system_memory %d (%d width) Address=%8.8X%8.8X\n",
188 function, bit_width,
184 ACPI_FORMAT_UINT64 (address))); 189 ACPI_FORMAT_UINT64 (address)));
185 190
186 /* 191 /*
@@ -298,13 +303,15 @@ acpi_ex_system_io_space_handler (
298 switch (function) { 303 switch (function) {
299 case ACPI_READ: 304 case ACPI_READ:
300 305
301 status = acpi_os_read_port ((acpi_io_address) address, &value32, bit_width); 306 status = acpi_os_read_port ((acpi_io_address) address,
307 &value32, bit_width);
302 *value = value32; 308 *value = value32;
303 break; 309 break;
304 310
305 case ACPI_WRITE: 311 case ACPI_WRITE:
306 312
307 status = acpi_os_write_port ((acpi_io_address) address, (u32) *value, bit_width); 313 status = acpi_os_write_port ((acpi_io_address) address,
314 (u32) *value, bit_width);
308 break; 315 break;
309 316
310 default: 317 default:
@@ -375,12 +382,14 @@ acpi_ex_pci_config_space_handler (
375 case ACPI_READ: 382 case ACPI_READ:
376 383
377 *value = 0; 384 *value = 0;
378 status = acpi_os_read_pci_configuration (pci_id, pci_register, value, bit_width); 385 status = acpi_os_read_pci_configuration (pci_id, pci_register,
386 value, bit_width);
379 break; 387 break;
380 388
381 case ACPI_WRITE: 389 case ACPI_WRITE:
382 390
383 status = acpi_os_write_pci_configuration (pci_id, pci_register, *value, bit_width); 391 status = acpi_os_write_pci_configuration (pci_id, pci_register,
392 *value, bit_width);
384 break; 393 break;
385 394
386 default: 395 default:
@@ -505,8 +514,7 @@ acpi_ex_data_table_space_handler (
505 514
506 logical_addr_ptr = ACPI_PHYSADDR_TO_PTR (address); 515 logical_addr_ptr = ACPI_PHYSADDR_TO_PTR (address);
507 516
508 517 /* Perform the memory read or write */
509 /* Perform the memory read or write */
510 518
511 switch (function) { 519 switch (function) {
512 case ACPI_READ: 520 case ACPI_READ:
diff --git a/drivers/acpi/executer/exresnte.c b/drivers/acpi/executer/exresnte.c
index 7936329a0e35..21d5c74fa309 100644
--- a/drivers/acpi/executer/exresnte.c
+++ b/drivers/acpi/executer/exresnte.c
@@ -210,15 +210,15 @@ acpi_ex_resolve_node_to_value (
210 case ACPI_TYPE_LOCAL_BANK_FIELD: 210 case ACPI_TYPE_LOCAL_BANK_FIELD:
211 case ACPI_TYPE_LOCAL_INDEX_FIELD: 211 case ACPI_TYPE_LOCAL_INDEX_FIELD:
212 212
213 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "field_read Node=%p source_desc=%p Type=%X\n", 213 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
214 "field_read Node=%p source_desc=%p Type=%X\n",
214 node, source_desc, entry_type)); 215 node, source_desc, entry_type));
215 216
216 status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc); 217 status = acpi_ex_read_data_from_field (walk_state, source_desc, &obj_desc);
217 break; 218 break;
218 219
219 /* 220 /* For these objects, just return the object attached to the Node */
220 * For these objects, just return the object attached to the Node 221
221 */
222 case ACPI_TYPE_MUTEX: 222 case ACPI_TYPE_MUTEX:
223 case ACPI_TYPE_METHOD: 223 case ACPI_TYPE_METHOD:
224 case ACPI_TYPE_POWER: 224 case ACPI_TYPE_POWER:
@@ -233,12 +233,12 @@ acpi_ex_resolve_node_to_value (
233 acpi_ut_add_reference (obj_desc); 233 acpi_ut_add_reference (obj_desc);
234 break; 234 break;
235 235
236
237 /* TYPE_ANY is untyped, and thus there is no object associated with it */ 236 /* TYPE_ANY is untyped, and thus there is no object associated with it */
238 237
239 case ACPI_TYPE_ANY: 238 case ACPI_TYPE_ANY:
240 239
241 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Untyped entry %p, no attached object!\n", 240 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
241 "Untyped entry %p, no attached object!\n",
242 node)); 242 node));
243 243
244 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */ 244 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); /* Cannot be AE_TYPE */
@@ -259,7 +259,8 @@ acpi_ex_resolve_node_to_value (
259 default: 259 default:
260 /* No named references are allowed here */ 260 /* No named references are allowed here */
261 261
262 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Unsupported Reference opcode %X (%s)\n", 262 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
263 "Unsupported Reference opcode %X (%s)\n",
263 source_desc->reference.opcode, 264 source_desc->reference.opcode,
264 acpi_ps_get_opcode_name (source_desc->reference.opcode))); 265 acpi_ps_get_opcode_name (source_desc->reference.opcode)));
265 266
@@ -268,11 +269,12 @@ acpi_ex_resolve_node_to_value (
268 break; 269 break;
269 270
270 271
271 /* Default case is for unknown types */
272
273 default: 272 default:
274 273
275 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Node %p - Unknown object type %X\n", 274 /* Default case is for unknown types */
275
276 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
277 "Node %p - Unknown object type %X\n",
276 node, entry_type)); 278 node, entry_type));
277 279
278 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 280 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
@@ -280,7 +282,7 @@ acpi_ex_resolve_node_to_value (
280 } /* switch (entry_type) */ 282 } /* switch (entry_type) */
281 283
282 284
283 /* Put the object descriptor on the stack */ 285 /* Return the object descriptor */
284 286
285 *object_ptr = (void *) obj_desc; 287 *object_ptr = (void *) obj_desc;
286 return_ACPI_STATUS (status); 288 return_ACPI_STATUS (status);
diff --git a/drivers/acpi/executer/exresolv.c b/drivers/acpi/executer/exresolv.c
index 7be604911156..3de45672379a 100644
--- a/drivers/acpi/executer/exresolv.c
+++ b/drivers/acpi/executer/exresolv.c
@@ -54,6 +54,13 @@
54#define _COMPONENT ACPI_EXECUTER 54#define _COMPONENT ACPI_EXECUTER
55 ACPI_MODULE_NAME ("exresolv") 55 ACPI_MODULE_NAME ("exresolv")
56 56
57/* Local prototypes */
58
59static acpi_status
60acpi_ex_resolve_object_to_value (
61 union acpi_operand_object **stack_ptr,
62 struct acpi_walk_state *walk_state);
63
57 64
58/******************************************************************************* 65/*******************************************************************************
59 * 66 *
@@ -96,6 +103,11 @@ acpi_ex_resolve_to_value (
96 if (ACPI_FAILURE (status)) { 103 if (ACPI_FAILURE (status)) {
97 return_ACPI_STATUS (status); 104 return_ACPI_STATUS (status);
98 } 105 }
106
107 if (!*stack_ptr) {
108 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Internal - null pointer\n"));
109 return_ACPI_STATUS (AE_AML_NO_OPERAND);
110 }
99 } 111 }
100 112
101 /* 113 /*
@@ -120,18 +132,17 @@ acpi_ex_resolve_to_value (
120 * 132 *
121 * FUNCTION: acpi_ex_resolve_object_to_value 133 * FUNCTION: acpi_ex_resolve_object_to_value
122 * 134 *
123 * PARAMETERS: stack_ptr - Pointer to a stack location that contains a 135 * PARAMETERS: stack_ptr - Pointer to an internal object
124 * ptr to an internal object.
125 * walk_state - Current method state 136 * walk_state - Current method state
126 * 137 *
127 * RETURN: Status 138 * RETURN: Status
128 * 139 *
129 * DESCRIPTION: Retrieve the value from an internal object. The Reference type 140 * DESCRIPTION: Retrieve the value from an internal object. The Reference type
130 * uses the associated AML opcode to determine the value. 141 * uses the associated AML opcode to determine the value.
131 * 142 *
132 ******************************************************************************/ 143 ******************************************************************************/
133 144
134acpi_status 145static acpi_status
135acpi_ex_resolve_object_to_value ( 146acpi_ex_resolve_object_to_value (
136 union acpi_operand_object **stack_ptr, 147 union acpi_operand_object **stack_ptr,
137 struct acpi_walk_state *walk_state) 148 struct acpi_walk_state *walk_state)
@@ -159,7 +170,7 @@ acpi_ex_resolve_object_to_value (
159 case AML_NAME_OP: 170 case AML_NAME_OP:
160 171
161 /* 172 /*
162 * Convert indirect name ptr to a direct name ptr. 173 * Convert name reference to a namespace node
163 * Then, acpi_ex_resolve_node_to_value can be used to get the value 174 * Then, acpi_ex_resolve_node_to_value can be used to get the value
164 */ 175 */
165 temp_node = stack_desc->reference.object; 176 temp_node = stack_desc->reference.object;
@@ -168,7 +179,7 @@ acpi_ex_resolve_object_to_value (
168 179
169 acpi_ut_remove_reference (stack_desc); 180 acpi_ut_remove_reference (stack_desc);
170 181
171 /* Put direct name pointer onto stack and exit */ 182 /* Return the namespace node */
172 183
173 (*stack_ptr) = temp_node; 184 (*stack_ptr) = temp_node;
174 break; 185 break;
@@ -255,10 +266,19 @@ acpi_ex_resolve_object_to_value (
255 266
256 break; 267 break;
257 268
269 case AML_INT_NAMEPATH_OP: /* Reference to a named object */
270
271 /* Get the object pointed to by the namespace node */
272
273 *stack_ptr = (stack_desc->reference.node)->object;
274 acpi_ut_add_reference (*stack_ptr);
275 acpi_ut_remove_reference (stack_desc);
276 break;
258 277
259 default: 278 default:
260 279
261 ACPI_REPORT_ERROR (("During resolve, Unknown Reference opcode %X (%s) in %p\n", 280 ACPI_REPORT_ERROR ((
281 "During resolve, Unknown Reference opcode %X (%s) in %p\n",
262 opcode, acpi_ps_get_opcode_name (opcode), stack_desc)); 282 opcode, acpi_ps_get_opcode_name (opcode), stack_desc));
263 status = AE_AML_INTERNAL; 283 status = AE_AML_INTERNAL;
264 break; 284 break;
@@ -278,9 +298,8 @@ acpi_ex_resolve_object_to_value (
278 break; 298 break;
279 299
280 300
281 /* 301 /* These cases may never happen here, but just in case.. */
282 * These cases may never happen here, but just in case.. 302
283 */
284 case ACPI_TYPE_BUFFER_FIELD: 303 case ACPI_TYPE_BUFFER_FIELD:
285 case ACPI_TYPE_LOCAL_REGION_FIELD: 304 case ACPI_TYPE_LOCAL_REGION_FIELD:
286 case ACPI_TYPE_LOCAL_BANK_FIELD: 305 case ACPI_TYPE_LOCAL_BANK_FIELD:
@@ -333,9 +352,8 @@ acpi_ex_resolve_multiple (
333 ACPI_FUNCTION_TRACE ("acpi_ex_resolve_multiple"); 352 ACPI_FUNCTION_TRACE ("acpi_ex_resolve_multiple");
334 353
335 354
336 /* 355 /* Operand can be either a namespace node or an operand descriptor */
337 * Operand can be either a namespace node or an operand descriptor 356
338 */
339 switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { 357 switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
340 case ACPI_DESC_TYPE_OPERAND: 358 case ACPI_DESC_TYPE_OPERAND:
341 type = obj_desc->common.type; 359 type = obj_desc->common.type;
@@ -357,10 +375,8 @@ acpi_ex_resolve_multiple (
357 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 375 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
358 } 376 }
359 377
378 /* If type is anything other than a reference, we are done */
360 379
361 /*
362 * If type is anything other than a reference, we are done
363 */
364 if (type != ACPI_TYPE_LOCAL_REFERENCE) { 380 if (type != ACPI_TYPE_LOCAL_REFERENCE) {
365 goto exit; 381 goto exit;
366 } 382 }
@@ -382,8 +398,9 @@ acpi_ex_resolve_multiple (
382 /* All "References" point to a NS node */ 398 /* All "References" point to a NS node */
383 399
384 if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) { 400 if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
385 ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", 401 ACPI_REPORT_ERROR ((
386 node, acpi_ut_get_descriptor_name (node))); 402 "acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
403 node, acpi_ut_get_descriptor_name (node)));
387 return_ACPI_STATUS (AE_AML_INTERNAL); 404 return_ACPI_STATUS (AE_AML_INTERNAL);
388 } 405 }
389 406
@@ -440,8 +457,9 @@ acpi_ex_resolve_multiple (
440 /* All "References" point to a NS node */ 457 /* All "References" point to a NS node */
441 458
442 if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) { 459 if (ACPI_GET_DESCRIPTOR_TYPE (node) != ACPI_DESC_TYPE_NAMED) {
443 ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Not a NS node %p [%s]\n", 460 ACPI_REPORT_ERROR ((
444 node, acpi_ut_get_descriptor_name (node))); 461 "acpi_ex_resolve_multiple: Not a NS node %p [%s]\n",
462 node, acpi_ut_get_descriptor_name (node)));
445 return_ACPI_STATUS (AE_AML_INTERNAL); 463 return_ACPI_STATUS (AE_AML_INTERNAL);
446 } 464 }
447 465
@@ -468,7 +486,7 @@ acpi_ex_resolve_multiple (
468 486
469 if (return_desc) { 487 if (return_desc) {
470 status = acpi_ds_method_data_get_value (obj_desc->reference.opcode, 488 status = acpi_ds_method_data_get_value (obj_desc->reference.opcode,
471 obj_desc->reference.offset, walk_state, &obj_desc); 489 obj_desc->reference.offset, walk_state, &obj_desc);
472 if (ACPI_FAILURE (status)) { 490 if (ACPI_FAILURE (status)) {
473 return_ACPI_STATUS (status); 491 return_ACPI_STATUS (status);
474 } 492 }
@@ -500,7 +518,8 @@ acpi_ex_resolve_multiple (
500 518
501 default: 519 default:
502 520
503 ACPI_REPORT_ERROR (("acpi_ex_resolve_multiple: Unknown Reference subtype %X\n", 521 ACPI_REPORT_ERROR ((
522 "acpi_ex_resolve_multiple: Unknown Reference subtype %X\n",
504 obj_desc->reference.opcode)); 523 obj_desc->reference.opcode));
505 return_ACPI_STATUS (AE_AML_INTERNAL); 524 return_ACPI_STATUS (AE_AML_INTERNAL);
506 } 525 }
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index c92890220c32..d8b470eefe7a 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -52,6 +52,14 @@
52#define _COMPONENT ACPI_EXECUTER 52#define _COMPONENT ACPI_EXECUTER
53 ACPI_MODULE_NAME ("exresop") 53 ACPI_MODULE_NAME ("exresop")
54 54
55/* Local prototypes */
56
57static acpi_status
58acpi_ex_check_object_type (
59 acpi_object_type type_needed,
60 acpi_object_type this_type,
61 void *object);
62
55 63
56/******************************************************************************* 64/*******************************************************************************
57 * 65 *
@@ -67,7 +75,7 @@
67 * 75 *
68 ******************************************************************************/ 76 ******************************************************************************/
69 77
70acpi_status 78static acpi_status
71acpi_ex_check_object_type ( 79acpi_ex_check_object_type (
72 acpi_object_type type_needed, 80 acpi_object_type type_needed,
73 acpi_object_type this_type, 81 acpi_object_type this_type,
@@ -142,6 +150,7 @@ acpi_ex_resolve_operands (
142 const struct acpi_opcode_info *op_info; 150 const struct acpi_opcode_info *op_info;
143 u32 this_arg_type; 151 u32 this_arg_type;
144 acpi_object_type type_needed; 152 acpi_object_type type_needed;
153 u16 target_op = 0;
145 154
146 155
147 ACPI_FUNCTION_TRACE_U32 ("ex_resolve_operands", opcode); 156 ACPI_FUNCTION_TRACE_U32 ("ex_resolve_operands", opcode);
@@ -160,7 +169,8 @@ acpi_ex_resolve_operands (
160 return_ACPI_STATUS (AE_AML_INTERNAL); 169 return_ACPI_STATUS (AE_AML_INTERNAL);
161 } 170 }
162 171
163 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Opcode %X [%s] required_operand_types=%8.8X \n", 172 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
173 "Opcode %X [%s] required_operand_types=%8.8X \n",
164 opcode, op_info->name, arg_types)); 174 opcode, op_info->name, arg_types));
165 175
166 /* 176 /*
@@ -187,7 +197,7 @@ acpi_ex_resolve_operands (
187 switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { 197 switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) {
188 case ACPI_DESC_TYPE_NAMED: 198 case ACPI_DESC_TYPE_NAMED:
189 199
190 /* Node */ 200 /* Namespace Node */
191 201
192 object_type = ((struct acpi_namespace_node *) obj_desc)->type; 202 object_type = ((struct acpi_namespace_node *) obj_desc)->type;
193 break; 203 break;
@@ -202,16 +212,16 @@ acpi_ex_resolve_operands (
202 /* Check for bad acpi_object_type */ 212 /* Check for bad acpi_object_type */
203 213
204 if (!acpi_ut_valid_object_type (object_type)) { 214 if (!acpi_ut_valid_object_type (object_type)) {
205 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Bad operand object type [%X]\n", 215 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
216 "Bad operand object type [%X]\n",
206 object_type)); 217 object_type));
207 218
208 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 219 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
209 } 220 }
210 221
211 if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) { 222 if (object_type == (u8) ACPI_TYPE_LOCAL_REFERENCE) {
212 /* 223 /* Decode the Reference */
213 * Decode the Reference 224
214 */
215 op_info = acpi_ps_get_opcode_info (opcode); 225 op_info = acpi_ps_get_opcode_info (opcode);
216 if (op_info->class == AML_CLASS_UNKNOWN) { 226 if (op_info->class == AML_CLASS_UNKNOWN) {
217 return_ACPI_STATUS (AE_AML_BAD_OPCODE); 227 return_ACPI_STATUS (AE_AML_BAD_OPCODE);
@@ -219,12 +229,17 @@ acpi_ex_resolve_operands (
219 229
220 switch (obj_desc->reference.opcode) { 230 switch (obj_desc->reference.opcode) {
221 case AML_DEBUG_OP: 231 case AML_DEBUG_OP:
232 target_op = AML_DEBUG_OP;
233
234 /*lint -fallthrough */
235
222 case AML_NAME_OP: 236 case AML_NAME_OP:
223 case AML_INDEX_OP: 237 case AML_INDEX_OP:
224 case AML_REF_OF_OP: 238 case AML_REF_OF_OP:
225 case AML_ARG_OP: 239 case AML_ARG_OP:
226 case AML_LOCAL_OP: 240 case AML_LOCAL_OP:
227 case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */ 241 case AML_LOAD_OP: /* ddb_handle from LOAD_OP or LOAD_TABLE_OP */
242 case AML_INT_NAMEPATH_OP: /* Reference to a named object */
228 243
229 ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 244 ACPI_DEBUG_ONLY_MEMBERS (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
230 "Operand is a Reference, ref_opcode [%s]\n", 245 "Operand is a Reference, ref_opcode [%s]\n",
@@ -254,10 +269,8 @@ acpi_ex_resolve_operands (
254 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 269 return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
255 } 270 }
256 271
272 /* Get one argument type, point to the next */
257 273
258 /*
259 * Get one argument type, point to the next
260 */
261 this_arg_type = GET_CURRENT_ARG_TYPE (arg_types); 274 this_arg_type = GET_CURRENT_ARG_TYPE (arg_types);
262 INCREMENT_ARG_LIST (arg_types); 275 INCREMENT_ARG_LIST (arg_types);
263 276
@@ -271,26 +284,31 @@ acpi_ex_resolve_operands (
271 if ((ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) && 284 if ((ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
272 (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_STRING)) { 285 (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_STRING)) {
273 /* 286 /*
274 * String found - the string references a named object and must be 287 * String found - the string references a named object and
275 * resolved to a node 288 * must be resolved to a node
276 */ 289 */
277 goto next_operand; 290 goto next_operand;
278 } 291 }
279 292
280 /* Else not a string - fall through to the normal Reference case below */ 293 /*
294 * Else not a string - fall through to the normal Reference
295 * case below
296 */
281 /*lint -fallthrough */ 297 /*lint -fallthrough */
282 298
283 case ARGI_REFERENCE: /* References: */ 299 case ARGI_REFERENCE: /* References: */
284 case ARGI_INTEGER_REF: 300 case ARGI_INTEGER_REF:
285 case ARGI_OBJECT_REF: 301 case ARGI_OBJECT_REF:
286 case ARGI_DEVICE_REF: 302 case ARGI_DEVICE_REF:
287 case ARGI_TARGETREF: /* Allows implicit conversion rules before store */ 303 case ARGI_TARGETREF: /* Allows implicit conversion rules before store */
288 case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */ 304 case ARGI_FIXED_TARGET: /* No implicit conversion before store to target */
289 case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */ 305 case ARGI_SIMPLE_TARGET: /* Name, Local, or Arg - no implicit conversion */
290
291 /* Need an operand of type ACPI_TYPE_LOCAL_REFERENCE */
292 306
293 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) /* Node (name) ptr OK as-is */ { 307 /*
308 * Need an operand of type ACPI_TYPE_LOCAL_REFERENCE
309 * A Namespace Node is OK as-is
310 */
311 if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
294 goto next_operand; 312 goto next_operand;
295 } 313 }
296 314
@@ -300,11 +318,9 @@ acpi_ex_resolve_operands (
300 return_ACPI_STATUS (status); 318 return_ACPI_STATUS (status);
301 } 319 }
302 320
303 if (AML_NAME_OP == obj_desc->reference.opcode) { 321 if (obj_desc->reference.opcode == AML_NAME_OP) {
304 /* 322 /* Convert a named reference to the actual named object */
305 * Convert an indirect name ptr to direct name ptr and put 323
306 * it on the stack
307 */
308 temp_node = obj_desc->reference.object; 324 temp_node = obj_desc->reference.object;
309 acpi_ut_remove_reference (obj_desc); 325 acpi_ut_remove_reference (obj_desc);
310 (*stack_ptr) = temp_node; 326 (*stack_ptr) = temp_node;
@@ -332,7 +348,6 @@ acpi_ex_resolve_operands (
332 break; 348 break;
333 } 349 }
334 350
335
336 /* 351 /*
337 * Resolve this object to a value 352 * Resolve this object to a value
338 */ 353 */
@@ -392,7 +407,7 @@ acpi_ex_resolve_operands (
392 /* 407 /*
393 * The more complex cases allow multiple resolved object types 408 * The more complex cases allow multiple resolved object types
394 */ 409 */
395 case ARGI_INTEGER: /* Number */ 410 case ARGI_INTEGER:
396 411
397 /* 412 /*
398 * Need an operand of type ACPI_TYPE_INTEGER, 413 * Need an operand of type ACPI_TYPE_INTEGER,
@@ -563,7 +578,7 @@ acpi_ex_resolve_operands (
563 578
564 case ARGI_REGION_OR_FIELD: 579 case ARGI_REGION_OR_FIELD:
565 580
566 /* Need an operand of type ACPI_TYPE_REGION or a FIELD in a region */ 581 /* Need an operand of type REGION or a FIELD in a region */
567 582
568 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) { 583 switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
569 case ACPI_TYPE_REGION: 584 case ACPI_TYPE_REGION:
@@ -614,6 +629,12 @@ acpi_ex_resolve_operands (
614 break; 629 break;
615 } 630 }
616 631
632 if (target_op == AML_DEBUG_OP) {
633 /* Allow store of any object to the Debug object */
634
635 break;
636 }
637
617 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 638 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
618 "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n", 639 "Needed Integer/Buffer/String/Package/Ref/Ddb], found [%s] %p\n",
619 acpi_ut_get_object_type_name (obj_desc), obj_desc)); 640 acpi_ut_get_object_type_name (obj_desc), obj_desc));
@@ -652,8 +673,7 @@ next_operand:
652 if (GET_CURRENT_ARG_TYPE (arg_types)) { 673 if (GET_CURRENT_ARG_TYPE (arg_types)) {
653 stack_ptr--; 674 stack_ptr--;
654 } 675 }
655 676 }
656 } /* while (*Types) */
657 677
658 return_ACPI_STATUS (status); 678 return_ACPI_STATUS (status);
659} 679}
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index e0fc6aba1253..2725db0901b8 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -48,11 +48,171 @@
48#include <acpi/acinterp.h> 48#include <acpi/acinterp.h>
49#include <acpi/amlcode.h> 49#include <acpi/amlcode.h>
50#include <acpi/acnamesp.h> 50#include <acpi/acnamesp.h>
51#include <acpi/acparser.h>
51 52
52 53
53#define _COMPONENT ACPI_EXECUTER 54#define _COMPONENT ACPI_EXECUTER
54 ACPI_MODULE_NAME ("exstore") 55 ACPI_MODULE_NAME ("exstore")
55 56
57/* Local prototypes */
58
59static void
60acpi_ex_do_debug_object (
61 union acpi_operand_object *source_desc,
62 u32 level,
63 u32 index);
64
65static acpi_status
66acpi_ex_store_object_to_index (
67 union acpi_operand_object *val_desc,
68 union acpi_operand_object *dest_desc,
69 struct acpi_walk_state *walk_state);
70
71
72/*******************************************************************************
73 *
74 * FUNCTION: acpi_ex_do_debug_object
75 *
76 * PARAMETERS: source_desc - Value to be stored
77 * Level - Indentation level (used for packages)
78 * Index - Current package element, zero if not pkg
79 *
80 * RETURN: None
81 *
82 * DESCRIPTION: Handles stores to the Debug Object.
83 *
84 ******************************************************************************/
85
86static void
87acpi_ex_do_debug_object (
88 union acpi_operand_object *source_desc,
89 u32 level,
90 u32 index)
91{
92 u32 i;
93
94
95 ACPI_FUNCTION_TRACE_PTR ("ex_do_debug_object", source_desc);
96
97
98 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %*s",
99 level, " "));
100
101 /* Display index for package output only */
102
103 if (index > 0) {
104 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
105 "(%.2u) ", index -1));
106 }
107
108 if (!source_desc) {
109 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "<Null Object>\n"));
110 return_VOID;
111 }
112
113 if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_OPERAND) {
114 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: ",
115 acpi_ut_get_object_type_name (source_desc)));
116
117 if (!acpi_ut_valid_internal_object (source_desc)) {
118 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
119 "%p, Invalid Internal Object!\n", source_desc));
120 return_VOID;
121 }
122 }
123 else if (ACPI_GET_DESCRIPTOR_TYPE (source_desc) == ACPI_DESC_TYPE_NAMED) {
124 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%s: %p\n",
125 acpi_ut_get_type_name (((struct acpi_namespace_node *) source_desc)->type),
126 source_desc));
127 return_VOID;
128 }
129 else {
130 return_VOID;
131 }
132
133 switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
134 case ACPI_TYPE_INTEGER:
135
136 /* Output correct integer width */
137
138 if (acpi_gbl_integer_byte_width == 4) {
139 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
140 (u32) source_desc->integer.value));
141 }
142 else {
143 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
144 ACPI_FORMAT_UINT64 (source_desc->integer.value)));
145 }
146 break;
147
148 case ACPI_TYPE_BUFFER:
149
150 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
151 (u32) source_desc->buffer.length));
152 ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
153 (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
154 break;
155
156 case ACPI_TYPE_STRING:
157
158 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
159 source_desc->string.length, source_desc->string.pointer));
160 break;
161
162 case ACPI_TYPE_PACKAGE:
163
164 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X Elements]\n",
165 source_desc->package.count));
166
167 /* Output the entire contents of the package */
168
169 for (i = 0; i < source_desc->package.count; i++) {
170 acpi_ex_do_debug_object (source_desc->package.elements[i],
171 level+4, i+1);
172 }
173 break;
174
175 case ACPI_TYPE_LOCAL_REFERENCE:
176
177 if (source_desc->reference.opcode == AML_INDEX_OP) {
178 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s, 0x%X]\n",
179 acpi_ps_get_opcode_name (source_desc->reference.opcode),
180 source_desc->reference.offset));
181 }
182 else {
183 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[%s]\n",
184 acpi_ps_get_opcode_name (source_desc->reference.opcode)));
185 }
186
187
188 if (source_desc->reference.object) {
189 if (ACPI_GET_DESCRIPTOR_TYPE (source_desc->reference.object) ==
190 ACPI_DESC_TYPE_NAMED) {
191 acpi_ex_do_debug_object (((struct acpi_namespace_node *)
192 source_desc->reference.object)->object,
193 level+4, 0);
194 }
195 else {
196 acpi_ex_do_debug_object (source_desc->reference.object, level+4, 0);
197 }
198 }
199 else if (source_desc->reference.node) {
200 acpi_ex_do_debug_object ((source_desc->reference.node)->object,
201 level+4, 0);
202 }
203 break;
204
205 default:
206
207 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p %s\n",
208 source_desc, acpi_ut_get_object_type_name (source_desc)));
209 break;
210 }
211
212 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
213 return_VOID;
214}
215
56 216
57/******************************************************************************* 217/*******************************************************************************
58 * 218 *
@@ -154,8 +314,9 @@ acpi_ex_store (
154 314
155 /* Storing an object into a Name "container" */ 315 /* Storing an object into a Name "container" */
156 316
157 status = acpi_ex_store_object_to_node (source_desc, ref_desc->reference.object, 317 status = acpi_ex_store_object_to_node (source_desc,
158 walk_state, ACPI_IMPLICIT_CONVERSION); 318 ref_desc->reference.object,
319 walk_state, ACPI_IMPLICIT_CONVERSION);
159 break; 320 break;
160 321
161 322
@@ -173,7 +334,7 @@ acpi_ex_store (
173 /* Store to a method local/arg */ 334 /* Store to a method local/arg */
174 335
175 status = acpi_ds_store_object_to_local (ref_desc->reference.opcode, 336 status = acpi_ds_store_object_to_local (ref_desc->reference.opcode,
176 ref_desc->reference.offset, source_desc, walk_state); 337 ref_desc->reference.offset, source_desc, walk_state);
177 break; 338 break;
178 339
179 340
@@ -187,60 +348,7 @@ acpi_ex_store (
187 "**** Write to Debug Object: Object %p %s ****:\n\n", 348 "**** Write to Debug Object: Object %p %s ****:\n\n",
188 source_desc, acpi_ut_get_object_type_name (source_desc))); 349 source_desc, acpi_ut_get_object_type_name (source_desc)));
189 350
190 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[ACPI Debug] %s: ", 351 acpi_ex_do_debug_object (source_desc, 0, 0);
191 acpi_ut_get_object_type_name (source_desc)));
192
193 if (!acpi_ut_valid_internal_object (source_desc)) {
194 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT,
195 "%p, Invalid Internal Object!\n", source_desc));
196 break;
197 }
198
199 switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
200 case ACPI_TYPE_INTEGER:
201
202 if (acpi_gbl_integer_byte_width == 4) {
203 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X\n",
204 (u32) source_desc->integer.value));
205 }
206 else {
207 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "0x%8.8X%8.8X\n",
208 ACPI_FORMAT_UINT64 (source_desc->integer.value)));
209 }
210 break;
211
212
213 case ACPI_TYPE_BUFFER:
214
215 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
216 (u32) source_desc->buffer.length));
217 ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
218 (source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
219 break;
220
221
222 case ACPI_TYPE_STRING:
223
224 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] \"%s\"\n",
225 source_desc->string.length, source_desc->string.pointer));
226 break;
227
228
229 case ACPI_TYPE_PACKAGE:
230
231 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X] Elements Ptr - %p\n",
232 source_desc->package.count, source_desc->package.elements));
233 break;
234
235
236 default:
237
238 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "%p\n",
239 source_desc));
240 break;
241 }
242
243 ACPI_DEBUG_PRINT_RAW ((ACPI_DB_EXEC, "\n"));
244 break; 352 break;
245 353
246 354
@@ -272,7 +380,7 @@ acpi_ex_store (
272 * 380 *
273 ******************************************************************************/ 381 ******************************************************************************/
274 382
275acpi_status 383static acpi_status
276acpi_ex_store_object_to_index ( 384acpi_ex_store_object_to_index (
277 union acpi_operand_object *source_desc, 385 union acpi_operand_object *source_desc,
278 union acpi_operand_object *index_desc, 386 union acpi_operand_object *index_desc,
@@ -313,16 +421,22 @@ acpi_ex_store_object_to_index (
313 if (obj_desc) { 421 if (obj_desc) {
314 /* Decrement reference count by the ref count of the parent package */ 422 /* Decrement reference count by the ref count of the parent package */
315 423
316 for (i = 0; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) { 424 for (i = 0;
425 i < ((union acpi_operand_object *)
426 index_desc->reference.object)->common.reference_count;
427 i++) {
317 acpi_ut_remove_reference (obj_desc); 428 acpi_ut_remove_reference (obj_desc);
318 } 429 }
319 } 430 }
320 431
321 *(index_desc->reference.where) = new_desc; 432 *(index_desc->reference.where) = new_desc;
322 433
323 /* Increment reference count by the ref count of the parent package -1 */ 434 /* Increment ref count by the ref count of the parent package-1 */
324 435
325 for (i = 1; i < ((union acpi_operand_object *) index_desc->reference.object)->common.reference_count; i++) { 436 for (i = 1;
437 i < ((union acpi_operand_object *)
438 index_desc->reference.object)->common.reference_count;
439 i++) {
326 acpi_ut_add_reference (new_desc); 440 acpi_ut_add_reference (new_desc);
327 } 441 }
328 442
@@ -440,9 +554,8 @@ acpi_ex_store_object_to_node (
440 ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc); 554 ACPI_FUNCTION_TRACE_PTR ("ex_store_object_to_node", source_desc);
441 555
442 556
443 /* 557 /* Get current type of the node, and object attached to Node */
444 * Get current type of the node, and object attached to Node 558
445 */
446 target_type = acpi_ns_get_type (node); 559 target_type = acpi_ns_get_type (node);
447 target_desc = acpi_ns_get_attached_object (node); 560 target_desc = acpi_ns_get_attached_object (node);
448 561
@@ -467,19 +580,18 @@ acpi_ex_store_object_to_node (
467 target_type = ACPI_TYPE_ANY; 580 target_type = ACPI_TYPE_ANY;
468 } 581 }
469 582
470 /* 583 /* Do the actual store operation */
471 * Do the actual store operation 584
472 */
473 switch (target_type) { 585 switch (target_type) {
474 case ACPI_TYPE_BUFFER_FIELD: 586 case ACPI_TYPE_BUFFER_FIELD:
475 case ACPI_TYPE_LOCAL_REGION_FIELD: 587 case ACPI_TYPE_LOCAL_REGION_FIELD:
476 case ACPI_TYPE_LOCAL_BANK_FIELD: 588 case ACPI_TYPE_LOCAL_BANK_FIELD:
477 case ACPI_TYPE_LOCAL_INDEX_FIELD: 589 case ACPI_TYPE_LOCAL_INDEX_FIELD:
478 590
479 /* 591 /* For fields, copy the source data to the target field. */
480 * For fields, copy the source data to the target field. 592
481 */ 593 status = acpi_ex_write_data_to_field (source_desc, target_desc,
482 status = acpi_ex_write_data_to_field (source_desc, target_desc, &walk_state->result_obj); 594 &walk_state->result_obj);
483 break; 595 break;
484 596
485 597
@@ -493,7 +605,8 @@ acpi_ex_store_object_to_node (
493 * 605 *
494 * Copy and/or convert the source object to a new target object 606 * Copy and/or convert the source object to a new target object
495 */ 607 */
496 status = acpi_ex_store_object_to_object (source_desc, target_desc, &new_desc, walk_state); 608 status = acpi_ex_store_object_to_object (source_desc, target_desc,
609 &new_desc, walk_state);
497 if (ACPI_FAILURE (status)) { 610 if (ACPI_FAILURE (status)) {
498 return_ACPI_STATUS (status); 611 return_ACPI_STATUS (status);
499 } 612 }
@@ -526,7 +639,8 @@ acpi_ex_store_object_to_node (
526 639
527 /* No conversions for all other types. Just attach the source object */ 640 /* No conversions for all other types. Just attach the source object */
528 641
529 status = acpi_ns_attach_object (node, source_desc, ACPI_GET_OBJECT_TYPE (source_desc)); 642 status = acpi_ns_attach_object (node, source_desc,
643 ACPI_GET_OBJECT_TYPE (source_desc));
530 break; 644 break;
531 } 645 }
532 646
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index d3677feb07fd..120f30ed0bd4 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -81,9 +81,8 @@ acpi_ex_resolve_object (
81 ACPI_FUNCTION_TRACE ("ex_resolve_object"); 81 ACPI_FUNCTION_TRACE ("ex_resolve_object");
82 82
83 83
84 /* 84 /* Ensure we have a Target that can be stored to */
85 * Ensure we have a Target that can be stored to 85
86 */
87 switch (target_type) { 86 switch (target_type) {
88 case ACPI_TYPE_BUFFER_FIELD: 87 case ACPI_TYPE_BUFFER_FIELD:
89 case ACPI_TYPE_LOCAL_REGION_FIELD: 88 case ACPI_TYPE_LOCAL_REGION_FIELD:
@@ -118,16 +117,14 @@ acpi_ex_resolve_object (
118 break; 117 break;
119 } 118 }
120 119
121 /* 120 /* Must have a Integer, Buffer, or String */
122 * Must have a Integer, Buffer, or String 121
123 */
124 if ((ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) && 122 if ((ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_INTEGER) &&
125 (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) && 123 (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) &&
126 (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) && 124 (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_STRING) &&
127 !((ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) && (source_desc->reference.opcode == AML_LOAD_OP))) { 125 !((ACPI_GET_OBJECT_TYPE (source_desc) == ACPI_TYPE_LOCAL_REFERENCE) && (source_desc->reference.opcode == AML_LOAD_OP))) {
128 /* 126 /* Conversion successful but still not a valid type */
129 * Conversion successful but still not a valid type 127
130 */
131 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 128 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
132 "Cannot assign type %s to %s (must be type Int/Str/Buf)\n", 129 "Cannot assign type %s to %s (must be type Int/Str/Buf)\n",
133 acpi_ut_get_object_type_name (source_desc), 130 acpi_ut_get_object_type_name (source_desc),
@@ -140,9 +137,8 @@ acpi_ex_resolve_object (
140 case ACPI_TYPE_LOCAL_ALIAS: 137 case ACPI_TYPE_LOCAL_ALIAS:
141 case ACPI_TYPE_LOCAL_METHOD_ALIAS: 138 case ACPI_TYPE_LOCAL_METHOD_ALIAS:
142 139
143 /* 140 /* Aliases are resolved by acpi_ex_prep_operands */
144 * Aliases are resolved by acpi_ex_prep_operands 141
145 */
146 ACPI_REPORT_ERROR (("Store into Alias - should never happen\n")); 142 ACPI_REPORT_ERROR (("Store into Alias - should never happen\n"));
147 status = AE_AML_INTERNAL; 143 status = AE_AML_INTERNAL;
148 break; 144 break;
diff --git a/drivers/acpi/executer/exstorob.c b/drivers/acpi/executer/exstorob.c
index 05e1ecae8d92..12d1527669c8 100644
--- a/drivers/acpi/executer/exstorob.c
+++ b/drivers/acpi/executer/exstorob.c
@@ -128,7 +128,8 @@ acpi_ex_store_buffer_to_buffer (
128 else { 128 else {
129 /* Truncate the source, copy only what will fit */ 129 /* Truncate the source, copy only what will fit */
130 130
131 ACPI_MEMCPY (target_desc->buffer.pointer, buffer, target_desc->buffer.length); 131 ACPI_MEMCPY (target_desc->buffer.pointer, buffer,
132 target_desc->buffer.length);
132 133
133 ACPI_DEBUG_PRINT ((ACPI_DB_INFO, 134 ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
134 "Truncating source buffer from %X to %X\n", 135 "Truncating source buffer from %X to %X\n",
@@ -183,7 +184,8 @@ acpi_ex_store_string_to_string (
183 * String will fit in existing non-static buffer. 184 * String will fit in existing non-static buffer.
184 * Clear old string and copy in the new one 185 * Clear old string and copy in the new one
185 */ 186 */
186 ACPI_MEMSET (target_desc->string.pointer, 0, (acpi_size) target_desc->string.length + 1); 187 ACPI_MEMSET (target_desc->string.pointer, 0,
188 (acpi_size) target_desc->string.length + 1);
187 ACPI_MEMCPY (target_desc->string.pointer, buffer, length); 189 ACPI_MEMCPY (target_desc->string.pointer, buffer, length);
188 } 190 }
189 else { 191 else {
@@ -198,7 +200,8 @@ acpi_ex_store_string_to_string (
198 ACPI_MEM_FREE (target_desc->string.pointer); 200 ACPI_MEM_FREE (target_desc->string.pointer);
199 } 201 }
200 202
201 target_desc->string.pointer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1); 203 target_desc->string.pointer = ACPI_MEM_CALLOCATE (
204 (acpi_size) length + 1);
202 if (!target_desc->string.pointer) { 205 if (!target_desc->string.pointer) {
203 return_ACPI_STATUS (AE_NO_MEMORY); 206 return_ACPI_STATUS (AE_NO_MEMORY);
204 } 207 }
diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c
index f92efc512890..cafa702108dc 100644
--- a/drivers/acpi/executer/exsystem.c
+++ b/drivers/acpi/executer/exsystem.c
@@ -55,8 +55,8 @@
55 * 55 *
56 * FUNCTION: acpi_ex_system_wait_semaphore 56 * FUNCTION: acpi_ex_system_wait_semaphore
57 * 57 *
58 * PARAMETERS: Semaphore - OSD semaphore to wait on 58 * PARAMETERS: Semaphore - Semaphore to wait on
59 * Timeout - Max time to wait 59 * Timeout - Max time to wait
60 * 60 *
61 * RETURN: Status 61 * RETURN: Status
62 * 62 *
@@ -90,7 +90,8 @@ acpi_ex_system_wait_semaphore (
90 90
91 status = acpi_os_wait_semaphore (semaphore, 1, timeout); 91 status = acpi_os_wait_semaphore (semaphore, 1, timeout);
92 92
93 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "*** Thread awake after blocking, %s\n", 93 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
94 "*** Thread awake after blocking, %s\n",
94 acpi_format_exception (status))); 95 acpi_format_exception (status)));
95 96
96 /* Reacquire the interpreter */ 97 /* Reacquire the interpreter */
@@ -111,8 +112,8 @@ acpi_ex_system_wait_semaphore (
111 * 112 *
112 * FUNCTION: acpi_ex_system_do_stall 113 * FUNCTION: acpi_ex_system_do_stall
113 * 114 *
114 * PARAMETERS: how_long - The amount of time to stall, 115 * PARAMETERS: how_long - The amount of time to stall,
115 * in microseconds 116 * in microseconds
116 * 117 *
117 * RETURN: Status 118 * RETURN: Status
118 * 119 *
@@ -141,7 +142,8 @@ acpi_ex_system_do_stall (
141 * (ACPI specifies 100 usec as max, but this gives some slack in 142 * (ACPI specifies 100 usec as max, but this gives some slack in
142 * order to support existing BIOSs) 143 * order to support existing BIOSs)
143 */ 144 */
144 ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n", how_long)); 145 ACPI_REPORT_ERROR (("Stall: Time parameter is too large (%d)\n",
146 how_long));
145 status = AE_AML_OPERAND_VALUE; 147 status = AE_AML_OPERAND_VALUE;
146 } 148 }
147 else { 149 else {
@@ -156,8 +158,8 @@ acpi_ex_system_do_stall (
156 * 158 *
157 * FUNCTION: acpi_ex_system_do_suspend 159 * FUNCTION: acpi_ex_system_do_suspend
158 * 160 *
159 * PARAMETERS: how_long - The amount of time to suspend, 161 * PARAMETERS: how_long - The amount of time to suspend,
160 * in milliseconds 162 * in milliseconds
161 * 163 *
162 * RETURN: None 164 * RETURN: None
163 * 165 *
@@ -192,8 +194,8 @@ acpi_ex_system_do_suspend (
192 * 194 *
193 * FUNCTION: acpi_ex_system_acquire_mutex 195 * FUNCTION: acpi_ex_system_acquire_mutex
194 * 196 *
195 * PARAMETERS: *time_desc - The 'time to delay' object descriptor 197 * PARAMETERS: time_desc - The 'time to delay' object descriptor
196 * *obj_desc - The object descriptor for this op 198 * obj_desc - The object descriptor for this op
197 * 199 *
198 * RETURN: Status 200 * RETURN: Status
199 * 201 *
@@ -218,16 +220,15 @@ acpi_ex_system_acquire_mutex (
218 return_ACPI_STATUS (AE_BAD_PARAMETER); 220 return_ACPI_STATUS (AE_BAD_PARAMETER);
219 } 221 }
220 222
221 /* 223 /* Support for the _GL_ Mutex object -- go get the global lock */
222 * Support for the _GL_ Mutex object -- go get the global lock 224
223 */
224 if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { 225 if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
225 status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value); 226 status = acpi_ev_acquire_global_lock ((u16) time_desc->integer.value);
226 return_ACPI_STATUS (status); 227 return_ACPI_STATUS (status);
227 } 228 }
228 229
229 status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore, 230 status = acpi_ex_system_wait_semaphore (obj_desc->mutex.semaphore,
230 (u16) time_desc->integer.value); 231 (u16) time_desc->integer.value);
231 return_ACPI_STATUS (status); 232 return_ACPI_STATUS (status);
232} 233}
233 234
@@ -236,7 +237,7 @@ acpi_ex_system_acquire_mutex (
236 * 237 *
237 * FUNCTION: acpi_ex_system_release_mutex 238 * FUNCTION: acpi_ex_system_release_mutex
238 * 239 *
239 * PARAMETERS: *obj_desc - The object descriptor for this op 240 * PARAMETERS: obj_desc - The object descriptor for this op
240 * 241 *
241 * RETURN: Status 242 * RETURN: Status
242 * 243 *
@@ -261,9 +262,8 @@ acpi_ex_system_release_mutex (
261 return_ACPI_STATUS (AE_BAD_PARAMETER); 262 return_ACPI_STATUS (AE_BAD_PARAMETER);
262 } 263 }
263 264
264 /* 265 /* Support for the _GL_ Mutex object -- release the global lock */
265 * Support for the _GL_ Mutex object -- release the global lock 266
266 */
267 if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { 267 if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) {
268 status = acpi_ev_release_global_lock (); 268 status = acpi_ev_release_global_lock ();
269 return_ACPI_STATUS (status); 269 return_ACPI_STATUS (status);
@@ -278,9 +278,9 @@ acpi_ex_system_release_mutex (
278 * 278 *
279 * FUNCTION: acpi_ex_system_signal_event 279 * FUNCTION: acpi_ex_system_signal_event
280 * 280 *
281 * PARAMETERS: *obj_desc - The object descriptor for this op 281 * PARAMETERS: obj_desc - The object descriptor for this op
282 * 282 *
283 * RETURN: AE_OK 283 * RETURN: Status
284 * 284 *
285 * DESCRIPTION: Provides an access point to perform synchronization operations 285 * DESCRIPTION: Provides an access point to perform synchronization operations
286 * within the AML. 286 * within the AML.
@@ -309,8 +309,8 @@ acpi_ex_system_signal_event (
309 * 309 *
310 * FUNCTION: acpi_ex_system_wait_event 310 * FUNCTION: acpi_ex_system_wait_event
311 * 311 *
312 * PARAMETERS: *time_desc - The 'time to delay' object descriptor 312 * PARAMETERS: time_desc - The 'time to delay' object descriptor
313 * *obj_desc - The object descriptor for this op 313 * obj_desc - The object descriptor for this op
314 * 314 *
315 * RETURN: Status 315 * RETURN: Status
316 * 316 *
@@ -333,7 +333,7 @@ acpi_ex_system_wait_event (
333 333
334 if (obj_desc) { 334 if (obj_desc) {
335 status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore, 335 status = acpi_ex_system_wait_semaphore (obj_desc->event.semaphore,
336 (u16) time_desc->integer.value); 336 (u16) time_desc->integer.value);
337 } 337 }
338 338
339 return_ACPI_STATUS (status); 339 return_ACPI_STATUS (status);
@@ -344,7 +344,7 @@ acpi_ex_system_wait_event (
344 * 344 *
345 * FUNCTION: acpi_ex_system_reset_event 345 * FUNCTION: acpi_ex_system_reset_event
346 * 346 *
347 * PARAMETERS: *obj_desc - The object descriptor for this op 347 * PARAMETERS: obj_desc - The object descriptor for this op
348 * 348 *
349 * RETURN: Status 349 * RETURN: Status
350 * 350 *
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 40c6abb8b49a..5c7ec0c04177 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -67,22 +67,31 @@
67#define _COMPONENT ACPI_EXECUTER 67#define _COMPONENT ACPI_EXECUTER
68 ACPI_MODULE_NAME ("exutils") 68 ACPI_MODULE_NAME ("exutils")
69 69
70/* Local prototypes */
70 71
71#ifndef ACPI_NO_METHOD_EXECUTION 72static u32
73acpi_ex_digits_needed (
74 acpi_integer value,
75 u32 base);
72 76
77
78#ifndef ACPI_NO_METHOD_EXECUTION
73/******************************************************************************* 79/*******************************************************************************
74 * 80 *
75 * FUNCTION: acpi_ex_enter_interpreter 81 * FUNCTION: acpi_ex_enter_interpreter
76 * 82 *
77 * PARAMETERS: None 83 * PARAMETERS: None
78 * 84 *
85 * RETURN: Status
86 *
79 * DESCRIPTION: Enter the interpreter execution region. Failure to enter 87 * DESCRIPTION: Enter the interpreter execution region. Failure to enter
80 * the interpreter region is a fatal system error 88 * the interpreter region is a fatal system error
81 * 89 *
82 ******************************************************************************/ 90 ******************************************************************************/
83 91
84acpi_status 92acpi_status
85acpi_ex_enter_interpreter (void) 93acpi_ex_enter_interpreter (
94 void)
86{ 95{
87 acpi_status status; 96 acpi_status status;
88 97
@@ -104,6 +113,8 @@ acpi_ex_enter_interpreter (void)
104 * 113 *
105 * PARAMETERS: None 114 * PARAMETERS: None
106 * 115 *
116 * RETURN: None
117 *
107 * DESCRIPTION: Exit the interpreter execution region 118 * DESCRIPTION: Exit the interpreter execution region
108 * 119 *
109 * Cases where the interpreter is unlocked: 120 * Cases where the interpreter is unlocked:
@@ -119,7 +130,8 @@ acpi_ex_enter_interpreter (void)
119 ******************************************************************************/ 130 ******************************************************************************/
120 131
121void 132void
122acpi_ex_exit_interpreter (void) 133acpi_ex_exit_interpreter (
134 void)
123{ 135{
124 acpi_status status; 136 acpi_status status;
125 137
@@ -212,7 +224,8 @@ acpi_ex_acquire_global_lock (
212 locked = TRUE; 224 locked = TRUE;
213 } 225 }
214 else { 226 else {
215 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not acquire Global Lock, %s\n", 227 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
228 "Could not acquire Global Lock, %s\n",
216 acpi_format_exception (status))); 229 acpi_format_exception (status)));
217 } 230 }
218 } 231 }
@@ -228,7 +241,7 @@ acpi_ex_acquire_global_lock (
228 * PARAMETERS: locked_by_me - Return value from corresponding call to 241 * PARAMETERS: locked_by_me - Return value from corresponding call to
229 * acquire_global_lock. 242 * acquire_global_lock.
230 * 243 *
231 * RETURN: Status 244 * RETURN: None
232 * 245 *
233 * DESCRIPTION: Release the global lock if it is locked. 246 * DESCRIPTION: Release the global lock if it is locked.
234 * 247 *
@@ -269,11 +282,14 @@ acpi_ex_release_global_lock (
269 * PARAMETERS: Value - Value to be represented 282 * PARAMETERS: Value - Value to be represented
270 * Base - Base of representation 283 * Base - Base of representation
271 * 284 *
272 * RETURN: the number of digits needed to represent Value in Base 285 * RETURN: The number of digits.
286 *
287 * DESCRIPTION: Calculate the number of digits needed to represent the Value
288 * in the given Base (Radix)
273 * 289 *
274 ******************************************************************************/ 290 ******************************************************************************/
275 291
276u32 292static u32
277acpi_ex_digits_needed ( 293acpi_ex_digits_needed (
278 acpi_integer value, 294 acpi_integer value,
279 u32 base) 295 u32 base)
@@ -312,6 +328,8 @@ acpi_ex_digits_needed (
312 * PARAMETERS: numeric_id - EISA ID to be converted 328 * PARAMETERS: numeric_id - EISA ID to be converted
313 * out_string - Where to put the converted string (8 bytes) 329 * out_string - Where to put the converted string (8 bytes)
314 * 330 *
331 * RETURN: None
332 *
315 * DESCRIPTION: Convert a numeric EISA ID to string representation 333 * DESCRIPTION: Convert a numeric EISA ID to string representation
316 * 334 *
317 ******************************************************************************/ 335 ******************************************************************************/
@@ -349,7 +367,10 @@ acpi_ex_eisa_id_to_string (
349 * PARAMETERS: Value - Value to be converted 367 * PARAMETERS: Value - Value to be converted
350 * out_string - Where to put the converted string (8 bytes) 368 * out_string - Where to put the converted string (8 bytes)
351 * 369 *
352 * RETURN: Convert a number to string representation 370 * RETURN: None, string
371 *
372 * DESCRIPTOIN: Convert a number to string representation. Assumes string
373 * buffer is large enough to hold the string.
353 * 374 *
354 ******************************************************************************/ 375 ******************************************************************************/
355 376