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authorLen Brown <len.brown@intel.com>2009-01-09 00:13:17 -0500
committerLen Brown <len.brown@intel.com>2009-01-09 03:30:47 -0500
commit95b482a8d31116f3f5c2a5089569393234d06385 (patch)
treef32aec8673a285a9d188948be97af3034ee06e93 /drivers/acpi/parser
parent6620e0c49f577454b772fb381543d60ae53eb885 (diff)
ACPICA: create acpica/ directory
also, delete sleep/ and delete ACPI_CFLAGS from Makefile Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/parser')
-rw-r--r--drivers/acpi/parser/Makefile8
-rw-r--r--drivers/acpi/parser/psargs.c752
-rw-r--r--drivers/acpi/parser/psloop.c1088
-rw-r--r--drivers/acpi/parser/psopcode.c810
-rw-r--r--drivers/acpi/parser/psparse.c701
-rw-r--r--drivers/acpi/parser/psscope.c265
-rw-r--r--drivers/acpi/parser/pstree.c312
-rw-r--r--drivers/acpi/parser/psutils.c244
-rw-r--r--drivers/acpi/parser/pswalk.c110
-rw-r--r--drivers/acpi/parser/psxface.c385
10 files changed, 0 insertions, 4675 deletions
diff --git a/drivers/acpi/parser/Makefile b/drivers/acpi/parser/Makefile
deleted file mode 100644
index db24ee09cf11..000000000000
--- a/drivers/acpi/parser/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
1#
2# Makefile for all Linux ACPI interpreter subdirectories
3#
4
5obj-y := psargs.o psparse.o psloop.o pstree.o pswalk.o \
6 psopcode.o psscope.o psutils.o psxface.o
7
8EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/parser/psargs.c b/drivers/acpi/parser/psargs.c
deleted file mode 100644
index 852f3a83b2e6..000000000000
--- a/drivers/acpi/parser/psargs.c
+++ /dev/null
@@ -1,752 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psargs - Parse AML opcode arguments
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47#include <acpi/amlcode.h>
48#include <acpi/acnamesp.h>
49#include <acpi/acdispat.h>
50
51#define _COMPONENT ACPI_PARSER
52ACPI_MODULE_NAME("psargs")
53
54/* Local prototypes */
55static u32
56acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state);
57
58static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
59 *parser_state);
60
61/*******************************************************************************
62 *
63 * FUNCTION: acpi_ps_get_next_package_length
64 *
65 * PARAMETERS: parser_state - Current parser state object
66 *
67 * RETURN: Decoded package length. On completion, the AML pointer points
68 * past the length byte or bytes.
69 *
70 * DESCRIPTION: Decode and return a package length field.
71 * Note: Largest package length is 28 bits, from ACPI specification
72 *
73 ******************************************************************************/
74
75static u32
76acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state)
77{
78 u8 *aml = parser_state->aml;
79 u32 package_length = 0;
80 u32 byte_count;
81 u8 byte_zero_mask = 0x3F; /* Default [0:5] */
82
83 ACPI_FUNCTION_TRACE(ps_get_next_package_length);
84
85 /*
86 * Byte 0 bits [6:7] contain the number of additional bytes
87 * used to encode the package length, either 0,1,2, or 3
88 */
89 byte_count = (aml[0] >> 6);
90 parser_state->aml += ((acpi_size) byte_count + 1);
91
92 /* Get bytes 3, 2, 1 as needed */
93
94 while (byte_count) {
95 /*
96 * Final bit positions for the package length bytes:
97 * Byte3->[20:27]
98 * Byte2->[12:19]
99 * Byte1->[04:11]
100 * Byte0->[00:03]
101 */
102 package_length |= (aml[byte_count] << ((byte_count << 3) - 4));
103
104 byte_zero_mask = 0x0F; /* Use bits [0:3] of byte 0 */
105 byte_count--;
106 }
107
108 /* Byte 0 is a special case, either bits [0:3] or [0:5] are used */
109
110 package_length |= (aml[0] & byte_zero_mask);
111 return_UINT32(package_length);
112}
113
114/*******************************************************************************
115 *
116 * FUNCTION: acpi_ps_get_next_package_end
117 *
118 * PARAMETERS: parser_state - Current parser state object
119 *
120 * RETURN: Pointer to end-of-package +1
121 *
122 * DESCRIPTION: Get next package length and return a pointer past the end of
123 * the package. Consumes the package length field
124 *
125 ******************************************************************************/
126
127u8 *acpi_ps_get_next_package_end(struct acpi_parse_state *parser_state)
128{
129 u8 *start = parser_state->aml;
130 u32 package_length;
131
132 ACPI_FUNCTION_TRACE(ps_get_next_package_end);
133
134 /* Function below updates parser_state->Aml */
135
136 package_length = acpi_ps_get_next_package_length(parser_state);
137
138 return_PTR(start + package_length); /* end of package */
139}
140
141/*******************************************************************************
142 *
143 * FUNCTION: acpi_ps_get_next_namestring
144 *
145 * PARAMETERS: parser_state - Current parser state object
146 *
147 * RETURN: Pointer to the start of the name string (pointer points into
148 * the AML.
149 *
150 * DESCRIPTION: Get next raw namestring within the AML stream. Handles all name
151 * prefix characters. Set parser state to point past the string.
152 * (Name is consumed from the AML.)
153 *
154 ******************************************************************************/
155
156char *acpi_ps_get_next_namestring(struct acpi_parse_state *parser_state)
157{
158 u8 *start = parser_state->aml;
159 u8 *end = parser_state->aml;
160
161 ACPI_FUNCTION_TRACE(ps_get_next_namestring);
162
163 /* Point past any namestring prefix characters (backslash or carat) */
164
165 while (acpi_ps_is_prefix_char(*end)) {
166 end++;
167 }
168
169 /* Decode the path prefix character */
170
171 switch (*end) {
172 case 0:
173
174 /* null_name */
175
176 if (end == start) {
177 start = NULL;
178 }
179 end++;
180 break;
181
182 case AML_DUAL_NAME_PREFIX:
183
184 /* Two name segments */
185
186 end += 1 + (2 * ACPI_NAME_SIZE);
187 break;
188
189 case AML_MULTI_NAME_PREFIX_OP:
190
191 /* Multiple name segments, 4 chars each, count in next byte */
192
193 end += 2 + (*(end + 1) * ACPI_NAME_SIZE);
194 break;
195
196 default:
197
198 /* Single name segment */
199
200 end += ACPI_NAME_SIZE;
201 break;
202 }
203
204 parser_state->aml = end;
205 return_PTR((char *)start);
206}
207
208/*******************************************************************************
209 *
210 * FUNCTION: acpi_ps_get_next_namepath
211 *
212 * PARAMETERS: parser_state - Current parser state object
213 * Arg - Where the namepath will be stored
214 * arg_count - If the namepath points to a control method
215 * the method's argument is returned here.
216 * possible_method_call - Whether the namepath can possibly be the
217 * start of a method call
218 *
219 * RETURN: Status
220 *
221 * DESCRIPTION: Get next name (if method call, return # of required args).
222 * Names are looked up in the internal namespace to determine
223 * if the name represents a control method. If a method
224 * is found, the number of arguments to the method is returned.
225 * This information is critical for parsing to continue correctly.
226 *
227 ******************************************************************************/
228
229acpi_status
230acpi_ps_get_next_namepath(struct acpi_walk_state *walk_state,
231 struct acpi_parse_state *parser_state,
232 union acpi_parse_object *arg, u8 possible_method_call)
233{
234 acpi_status status;
235 char *path;
236 union acpi_parse_object *name_op;
237 union acpi_operand_object *method_desc;
238 struct acpi_namespace_node *node;
239 u8 *start = parser_state->aml;
240
241 ACPI_FUNCTION_TRACE(ps_get_next_namepath);
242
243 path = acpi_ps_get_next_namestring(parser_state);
244 acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
245
246 /* Null path case is allowed, just exit */
247
248 if (!path) {
249 arg->common.value.name = path;
250 return_ACPI_STATUS(AE_OK);
251 }
252
253 /*
254 * Lookup the name in the internal namespace, starting with the current
255 * scope. We don't want to add anything new to the namespace here,
256 * however, so we use MODE_EXECUTE.
257 * Allow searching of the parent tree, but don't open a new scope -
258 * we just want to lookup the object (must be mode EXECUTE to perform
259 * the upsearch)
260 */
261 status = acpi_ns_lookup(walk_state->scope_info, path,
262 ACPI_TYPE_ANY, ACPI_IMODE_EXECUTE,
263 ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
264 NULL, &node);
265
266 /*
267 * If this name is a control method invocation, we must
268 * setup the method call
269 */
270 if (ACPI_SUCCESS(status) &&
271 possible_method_call && (node->type == ACPI_TYPE_METHOD)) {
272 if (walk_state->opcode == AML_UNLOAD_OP) {
273 /*
274 * acpi_ps_get_next_namestring has increased the AML pointer,
275 * so we need to restore the saved AML pointer for method call.
276 */
277 walk_state->parser_state.aml = start;
278 walk_state->arg_count = 1;
279 acpi_ps_init_op(arg, AML_INT_METHODCALL_OP);
280 return_ACPI_STATUS(AE_OK);
281 }
282
283 /* This name is actually a control method invocation */
284
285 method_desc = acpi_ns_get_attached_object(node);
286 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
287 "Control Method - %p Desc %p Path=%p\n", node,
288 method_desc, path));
289
290 name_op = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
291 if (!name_op) {
292 return_ACPI_STATUS(AE_NO_MEMORY);
293 }
294
295 /* Change Arg into a METHOD CALL and attach name to it */
296
297 acpi_ps_init_op(arg, AML_INT_METHODCALL_OP);
298 name_op->common.value.name = path;
299
300 /* Point METHODCALL/NAME to the METHOD Node */
301
302 name_op->common.node = node;
303 acpi_ps_append_arg(arg, name_op);
304
305 if (!method_desc) {
306 ACPI_ERROR((AE_INFO,
307 "Control Method %p has no attached object",
308 node));
309 return_ACPI_STATUS(AE_AML_INTERNAL);
310 }
311
312 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
313 "Control Method - %p Args %X\n",
314 node, method_desc->method.param_count));
315
316 /* Get the number of arguments to expect */
317
318 walk_state->arg_count = method_desc->method.param_count;
319 return_ACPI_STATUS(AE_OK);
320 }
321
322 /*
323 * Special handling if the name was not found during the lookup -
324 * some not_found cases are allowed
325 */
326 if (status == AE_NOT_FOUND) {
327
328 /* 1) not_found is ok during load pass 1/2 (allow forward references) */
329
330 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) !=
331 ACPI_PARSE_EXECUTE) {
332 status = AE_OK;
333 }
334
335 /* 2) not_found during a cond_ref_of(x) is ok by definition */
336
337 else if (walk_state->op->common.aml_opcode ==
338 AML_COND_REF_OF_OP) {
339 status = AE_OK;
340 }
341
342 /*
343 * 3) not_found while building a Package is ok at this point, we
344 * may flag as an error later if slack mode is not enabled.
345 * (Some ASL code depends on allowing this behavior)
346 */
347 else if ((arg->common.parent) &&
348 ((arg->common.parent->common.aml_opcode ==
349 AML_PACKAGE_OP)
350 || (arg->common.parent->common.aml_opcode ==
351 AML_VAR_PACKAGE_OP))) {
352 status = AE_OK;
353 }
354 }
355
356 /* Final exception check (may have been changed from code above) */
357
358 if (ACPI_FAILURE(status)) {
359 ACPI_ERROR_NAMESPACE(path, status);
360
361 if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
362 ACPI_PARSE_EXECUTE) {
363
364 /* Report a control method execution error */
365
366 status = acpi_ds_method_error(status, walk_state);
367 }
368 }
369
370 /* Save the namepath */
371
372 arg->common.value.name = path;
373 return_ACPI_STATUS(status);
374}
375
376/*******************************************************************************
377 *
378 * FUNCTION: acpi_ps_get_next_simple_arg
379 *
380 * PARAMETERS: parser_state - Current parser state object
381 * arg_type - The argument type (AML_*_ARG)
382 * Arg - Where the argument is returned
383 *
384 * RETURN: None
385 *
386 * DESCRIPTION: Get the next simple argument (constant, string, or namestring)
387 *
388 ******************************************************************************/
389
390void
391acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state,
392 u32 arg_type, union acpi_parse_object *arg)
393{
394 u32 length;
395 u16 opcode;
396 u8 *aml = parser_state->aml;
397
398 ACPI_FUNCTION_TRACE_U32(ps_get_next_simple_arg, arg_type);
399
400 switch (arg_type) {
401 case ARGP_BYTEDATA:
402
403 /* Get 1 byte from the AML stream */
404
405 opcode = AML_BYTE_OP;
406 arg->common.value.integer = (acpi_integer) * aml;
407 length = 1;
408 break;
409
410 case ARGP_WORDDATA:
411
412 /* Get 2 bytes from the AML stream */
413
414 opcode = AML_WORD_OP;
415 ACPI_MOVE_16_TO_64(&arg->common.value.integer, aml);
416 length = 2;
417 break;
418
419 case ARGP_DWORDDATA:
420
421 /* Get 4 bytes from the AML stream */
422
423 opcode = AML_DWORD_OP;
424 ACPI_MOVE_32_TO_64(&arg->common.value.integer, aml);
425 length = 4;
426 break;
427
428 case ARGP_QWORDDATA:
429
430 /* Get 8 bytes from the AML stream */
431
432 opcode = AML_QWORD_OP;
433 ACPI_MOVE_64_TO_64(&arg->common.value.integer, aml);
434 length = 8;
435 break;
436
437 case ARGP_CHARLIST:
438
439 /* Get a pointer to the string, point past the string */
440
441 opcode = AML_STRING_OP;
442 arg->common.value.string = ACPI_CAST_PTR(char, aml);
443
444 /* Find the null terminator */
445
446 length = 0;
447 while (aml[length]) {
448 length++;
449 }
450 length++;
451 break;
452
453 case ARGP_NAME:
454 case ARGP_NAMESTRING:
455
456 acpi_ps_init_op(arg, AML_INT_NAMEPATH_OP);
457 arg->common.value.name =
458 acpi_ps_get_next_namestring(parser_state);
459 return_VOID;
460
461 default:
462
463 ACPI_ERROR((AE_INFO, "Invalid ArgType %X", arg_type));
464 return_VOID;
465 }
466
467 acpi_ps_init_op(arg, opcode);
468 parser_state->aml += length;
469 return_VOID;
470}
471
472/*******************************************************************************
473 *
474 * FUNCTION: acpi_ps_get_next_field
475 *
476 * PARAMETERS: parser_state - Current parser state object
477 *
478 * RETURN: A newly allocated FIELD op
479 *
480 * DESCRIPTION: Get next field (named_field, reserved_field, or access_field)
481 *
482 ******************************************************************************/
483
484static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state
485 *parser_state)
486{
487 u32 aml_offset = (u32)
488 ACPI_PTR_DIFF(parser_state->aml,
489 parser_state->aml_start);
490 union acpi_parse_object *field;
491 u16 opcode;
492 u32 name;
493
494 ACPI_FUNCTION_TRACE(ps_get_next_field);
495
496 /* Determine field type */
497
498 switch (ACPI_GET8(parser_state->aml)) {
499 default:
500
501 opcode = AML_INT_NAMEDFIELD_OP;
502 break;
503
504 case 0x00:
505
506 opcode = AML_INT_RESERVEDFIELD_OP;
507 parser_state->aml++;
508 break;
509
510 case 0x01:
511
512 opcode = AML_INT_ACCESSFIELD_OP;
513 parser_state->aml++;
514 break;
515 }
516
517 /* Allocate a new field op */
518
519 field = acpi_ps_alloc_op(opcode);
520 if (!field) {
521 return_PTR(NULL);
522 }
523
524 field->common.aml_offset = aml_offset;
525
526 /* Decode the field type */
527
528 switch (opcode) {
529 case AML_INT_NAMEDFIELD_OP:
530
531 /* Get the 4-character name */
532
533 ACPI_MOVE_32_TO_32(&name, parser_state->aml);
534 acpi_ps_set_name(field, name);
535 parser_state->aml += ACPI_NAME_SIZE;
536
537 /* Get the length which is encoded as a package length */
538
539 field->common.value.size =
540 acpi_ps_get_next_package_length(parser_state);
541 break;
542
543 case AML_INT_RESERVEDFIELD_OP:
544
545 /* Get the length which is encoded as a package length */
546
547 field->common.value.size =
548 acpi_ps_get_next_package_length(parser_state);
549 break;
550
551 case AML_INT_ACCESSFIELD_OP:
552
553 /*
554 * Get access_type and access_attrib and merge into the field Op
555 * access_type is first operand, access_attribute is second
556 */
557 field->common.value.integer =
558 (((u32) ACPI_GET8(parser_state->aml) << 8));
559 parser_state->aml++;
560 field->common.value.integer |= ACPI_GET8(parser_state->aml);
561 parser_state->aml++;
562 break;
563
564 default:
565
566 /* Opcode was set in previous switch */
567 break;
568 }
569
570 return_PTR(field);
571}
572
573/*******************************************************************************
574 *
575 * FUNCTION: acpi_ps_get_next_arg
576 *
577 * PARAMETERS: walk_state - Current state
578 * parser_state - Current parser state object
579 * arg_type - The argument type (AML_*_ARG)
580 * return_arg - Where the next arg is returned
581 *
582 * RETURN: Status, and an op object containing the next argument.
583 *
584 * DESCRIPTION: Get next argument (including complex list arguments that require
585 * pushing the parser stack)
586 *
587 ******************************************************************************/
588
589acpi_status
590acpi_ps_get_next_arg(struct acpi_walk_state *walk_state,
591 struct acpi_parse_state *parser_state,
592 u32 arg_type, union acpi_parse_object **return_arg)
593{
594 union acpi_parse_object *arg = NULL;
595 union acpi_parse_object *prev = NULL;
596 union acpi_parse_object *field;
597 u32 subop;
598 acpi_status status = AE_OK;
599
600 ACPI_FUNCTION_TRACE_PTR(ps_get_next_arg, parser_state);
601
602 switch (arg_type) {
603 case ARGP_BYTEDATA:
604 case ARGP_WORDDATA:
605 case ARGP_DWORDDATA:
606 case ARGP_CHARLIST:
607 case ARGP_NAME:
608 case ARGP_NAMESTRING:
609
610 /* Constants, strings, and namestrings are all the same size */
611
612 arg = acpi_ps_alloc_op(AML_BYTE_OP);
613 if (!arg) {
614 return_ACPI_STATUS(AE_NO_MEMORY);
615 }
616 acpi_ps_get_next_simple_arg(parser_state, arg_type, arg);
617 break;
618
619 case ARGP_PKGLENGTH:
620
621 /* Package length, nothing returned */
622
623 parser_state->pkg_end =
624 acpi_ps_get_next_package_end(parser_state);
625 break;
626
627 case ARGP_FIELDLIST:
628
629 if (parser_state->aml < parser_state->pkg_end) {
630
631 /* Non-empty list */
632
633 while (parser_state->aml < parser_state->pkg_end) {
634 field = acpi_ps_get_next_field(parser_state);
635 if (!field) {
636 return_ACPI_STATUS(AE_NO_MEMORY);
637 }
638
639 if (prev) {
640 prev->common.next = field;
641 } else {
642 arg = field;
643 }
644 prev = field;
645 }
646
647 /* Skip to End of byte data */
648
649 parser_state->aml = parser_state->pkg_end;
650 }
651 break;
652
653 case ARGP_BYTELIST:
654
655 if (parser_state->aml < parser_state->pkg_end) {
656
657 /* Non-empty list */
658
659 arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP);
660 if (!arg) {
661 return_ACPI_STATUS(AE_NO_MEMORY);
662 }
663
664 /* Fill in bytelist data */
665
666 arg->common.value.size = (u32)
667 ACPI_PTR_DIFF(parser_state->pkg_end,
668 parser_state->aml);
669 arg->named.data = parser_state->aml;
670
671 /* Skip to End of byte data */
672
673 parser_state->aml = parser_state->pkg_end;
674 }
675 break;
676
677 case ARGP_TARGET:
678 case ARGP_SUPERNAME:
679 case ARGP_SIMPLENAME:
680
681 subop = acpi_ps_peek_opcode(parser_state);
682 if (subop == 0 ||
683 acpi_ps_is_leading_char(subop) ||
684 acpi_ps_is_prefix_char(subop)) {
685
686 /* null_name or name_string */
687
688 arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP);
689 if (!arg) {
690 return_ACPI_STATUS(AE_NO_MEMORY);
691 }
692
693 /* To support super_name arg of Unload */
694
695 if (walk_state->opcode == AML_UNLOAD_OP) {
696 status =
697 acpi_ps_get_next_namepath(walk_state,
698 parser_state, arg,
699 1);
700
701 /*
702 * If the super_name arg of Unload is a method call,
703 * we have restored the AML pointer, just free this Arg
704 */
705 if (arg->common.aml_opcode ==
706 AML_INT_METHODCALL_OP) {
707 acpi_ps_free_op(arg);
708 arg = NULL;
709 }
710 } else {
711 status =
712 acpi_ps_get_next_namepath(walk_state,
713 parser_state, arg,
714 0);
715 }
716 } else {
717 /* Single complex argument, nothing returned */
718
719 walk_state->arg_count = 1;
720 }
721 break;
722
723 case ARGP_DATAOBJ:
724 case ARGP_TERMARG:
725
726 /* Single complex argument, nothing returned */
727
728 walk_state->arg_count = 1;
729 break;
730
731 case ARGP_DATAOBJLIST:
732 case ARGP_TERMLIST:
733 case ARGP_OBJLIST:
734
735 if (parser_state->aml < parser_state->pkg_end) {
736
737 /* Non-empty list of variable arguments, nothing returned */
738
739 walk_state->arg_count = ACPI_VAR_ARGS;
740 }
741 break;
742
743 default:
744
745 ACPI_ERROR((AE_INFO, "Invalid ArgType: %X", arg_type));
746 status = AE_AML_OPERAND_TYPE;
747 break;
748 }
749
750 *return_arg = arg;
751 return_ACPI_STATUS(status);
752}
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
deleted file mode 100644
index fd6648f0d65f..000000000000
--- a/drivers/acpi/parser/psloop.c
+++ /dev/null
@@ -1,1088 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psloop - Main AML parse loop
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44/*
45 * Parse the AML and build an operation tree as most interpreters, (such as
46 * Perl) do. Parsing is done by hand rather than with a YACC generated parser
47 * to tightly constrain stack and dynamic memory usage. Parsing is kept
48 * flexible and the code fairly compact by parsing based on a list of AML
49 * opcode templates in aml_op_info[].
50 */
51
52#include <acpi/acpi.h>
53#include <acpi/accommon.h>
54#include <acpi/acparser.h>
55#include <acpi/acdispat.h>
56#include <acpi/amlcode.h>
57
58#define _COMPONENT ACPI_PARSER
59ACPI_MODULE_NAME("psloop")
60
61static u32 acpi_gbl_depth = 0;
62
63/* Local prototypes */
64
65static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state);
66
67static acpi_status
68acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
69 u8 * aml_op_start,
70 union acpi_parse_object *unnamed_op,
71 union acpi_parse_object **op);
72
73static acpi_status
74acpi_ps_create_op(struct acpi_walk_state *walk_state,
75 u8 * aml_op_start, union acpi_parse_object **new_op);
76
77static acpi_status
78acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
79 u8 * aml_op_start, union acpi_parse_object *op);
80
81static acpi_status
82acpi_ps_complete_op(struct acpi_walk_state *walk_state,
83 union acpi_parse_object **op, acpi_status status);
84
85static acpi_status
86acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
87 union acpi_parse_object *op, acpi_status status);
88
89/*******************************************************************************
90 *
91 * FUNCTION: acpi_ps_get_aml_opcode
92 *
93 * PARAMETERS: walk_state - Current state
94 *
95 * RETURN: Status
96 *
97 * DESCRIPTION: Extract the next AML opcode from the input stream.
98 *
99 ******************************************************************************/
100
101static acpi_status acpi_ps_get_aml_opcode(struct acpi_walk_state *walk_state)
102{
103
104 ACPI_FUNCTION_TRACE_PTR(ps_get_aml_opcode, walk_state);
105
106 walk_state->aml_offset =
107 (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml,
108 walk_state->parser_state.aml_start);
109 walk_state->opcode = acpi_ps_peek_opcode(&(walk_state->parser_state));
110
111 /*
112 * First cut to determine what we have found:
113 * 1) A valid AML opcode
114 * 2) A name string
115 * 3) An unknown/invalid opcode
116 */
117 walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
118
119 switch (walk_state->op_info->class) {
120 case AML_CLASS_ASCII:
121 case AML_CLASS_PREFIX:
122 /*
123 * Starts with a valid prefix or ASCII char, this is a name
124 * string. Convert the bare name string to a namepath.
125 */
126 walk_state->opcode = AML_INT_NAMEPATH_OP;
127 walk_state->arg_types = ARGP_NAMESTRING;
128 break;
129
130 case AML_CLASS_UNKNOWN:
131
132 /* The opcode is unrecognized. Just skip unknown opcodes */
133
134 ACPI_ERROR((AE_INFO,
135 "Found unknown opcode %X at AML address %p offset %X, ignoring",
136 walk_state->opcode, walk_state->parser_state.aml,
137 walk_state->aml_offset));
138
139 ACPI_DUMP_BUFFER(walk_state->parser_state.aml, 128);
140
141 /* Assume one-byte bad opcode */
142
143 walk_state->parser_state.aml++;
144 return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
145
146 default:
147
148 /* Found opcode info, this is a normal opcode */
149
150 walk_state->parser_state.aml +=
151 acpi_ps_get_opcode_size(walk_state->opcode);
152 walk_state->arg_types = walk_state->op_info->parse_args;
153 break;
154 }
155
156 return_ACPI_STATUS(AE_OK);
157}
158
159/*******************************************************************************
160 *
161 * FUNCTION: acpi_ps_build_named_op
162 *
163 * PARAMETERS: walk_state - Current state
164 * aml_op_start - Begin of named Op in AML
165 * unnamed_op - Early Op (not a named Op)
166 * Op - Returned Op
167 *
168 * RETURN: Status
169 *
170 * DESCRIPTION: Parse a named Op
171 *
172 ******************************************************************************/
173
174static acpi_status
175acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
176 u8 * aml_op_start,
177 union acpi_parse_object *unnamed_op,
178 union acpi_parse_object **op)
179{
180 acpi_status status = AE_OK;
181 union acpi_parse_object *arg = NULL;
182
183 ACPI_FUNCTION_TRACE_PTR(ps_build_named_op, walk_state);
184
185 unnamed_op->common.value.arg = NULL;
186 unnamed_op->common.arg_list_length = 0;
187 unnamed_op->common.aml_opcode = walk_state->opcode;
188
189 /*
190 * Get and append arguments until we find the node that contains
191 * the name (the type ARGP_NAME).
192 */
193 while (GET_CURRENT_ARG_TYPE(walk_state->arg_types) &&
194 (GET_CURRENT_ARG_TYPE(walk_state->arg_types) != ARGP_NAME)) {
195 status =
196 acpi_ps_get_next_arg(walk_state,
197 &(walk_state->parser_state),
198 GET_CURRENT_ARG_TYPE(walk_state->
199 arg_types), &arg);
200 if (ACPI_FAILURE(status)) {
201 return_ACPI_STATUS(status);
202 }
203
204 acpi_ps_append_arg(unnamed_op, arg);
205 INCREMENT_ARG_LIST(walk_state->arg_types);
206 }
207
208 /*
209 * Make sure that we found a NAME and didn't run out of arguments
210 */
211 if (!GET_CURRENT_ARG_TYPE(walk_state->arg_types)) {
212 return_ACPI_STATUS(AE_AML_NO_OPERAND);
213 }
214
215 /* We know that this arg is a name, move to next arg */
216
217 INCREMENT_ARG_LIST(walk_state->arg_types);
218
219 /*
220 * Find the object. This will either insert the object into
221 * the namespace or simply look it up
222 */
223 walk_state->op = NULL;
224
225 status = walk_state->descending_callback(walk_state, op);
226 if (ACPI_FAILURE(status)) {
227 ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog"));
228 return_ACPI_STATUS(status);
229 }
230
231 if (!*op) {
232 return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
233 }
234
235 status = acpi_ps_next_parse_state(walk_state, *op, status);
236 if (ACPI_FAILURE(status)) {
237 if (status == AE_CTRL_PENDING) {
238 return_ACPI_STATUS(AE_CTRL_PARSE_PENDING);
239 }
240 return_ACPI_STATUS(status);
241 }
242
243 acpi_ps_append_arg(*op, unnamed_op->common.value.arg);
244 acpi_gbl_depth++;
245
246 if ((*op)->common.aml_opcode == AML_REGION_OP ||
247 (*op)->common.aml_opcode == AML_DATA_REGION_OP) {
248 /*
249 * Defer final parsing of an operation_region body, because we don't
250 * have enough info in the first pass to parse it correctly (i.e.,
251 * there may be method calls within the term_arg elements of the body.)
252 *
253 * However, we must continue parsing because the opregion is not a
254 * standalone package -- we don't know where the end is at this point.
255 *
256 * (Length is unknown until parse of the body complete)
257 */
258 (*op)->named.data = aml_op_start;
259 (*op)->named.length = 0;
260 }
261
262 return_ACPI_STATUS(AE_OK);
263}
264
265/*******************************************************************************
266 *
267 * FUNCTION: acpi_ps_create_op
268 *
269 * PARAMETERS: walk_state - Current state
270 * aml_op_start - Op start in AML
271 * new_op - Returned Op
272 *
273 * RETURN: Status
274 *
275 * DESCRIPTION: Get Op from AML
276 *
277 ******************************************************************************/
278
279static acpi_status
280acpi_ps_create_op(struct acpi_walk_state *walk_state,
281 u8 * aml_op_start, union acpi_parse_object **new_op)
282{
283 acpi_status status = AE_OK;
284 union acpi_parse_object *op;
285 union acpi_parse_object *named_op = NULL;
286 union acpi_parse_object *parent_scope;
287 u8 argument_count;
288 const struct acpi_opcode_info *op_info;
289
290 ACPI_FUNCTION_TRACE_PTR(ps_create_op, walk_state);
291
292 status = acpi_ps_get_aml_opcode(walk_state);
293 if (status == AE_CTRL_PARSE_CONTINUE) {
294 return_ACPI_STATUS(AE_CTRL_PARSE_CONTINUE);
295 }
296
297 /* Create Op structure and append to parent's argument list */
298
299 walk_state->op_info = acpi_ps_get_opcode_info(walk_state->opcode);
300 op = acpi_ps_alloc_op(walk_state->opcode);
301 if (!op) {
302 return_ACPI_STATUS(AE_NO_MEMORY);
303 }
304
305 if (walk_state->op_info->flags & AML_NAMED) {
306 status =
307 acpi_ps_build_named_op(walk_state, aml_op_start, op,
308 &named_op);
309 acpi_ps_free_op(op);
310 if (ACPI_FAILURE(status)) {
311 return_ACPI_STATUS(status);
312 }
313
314 *new_op = named_op;
315 return_ACPI_STATUS(AE_OK);
316 }
317
318 /* Not a named opcode, just allocate Op and append to parent */
319
320 if (walk_state->op_info->flags & AML_CREATE) {
321 /*
322 * Backup to beginning of create_xXXfield declaration
323 * body_length is unknown until we parse the body
324 */
325 op->named.data = aml_op_start;
326 op->named.length = 0;
327 }
328
329 if (walk_state->opcode == AML_BANK_FIELD_OP) {
330 /*
331 * Backup to beginning of bank_field declaration
332 * body_length is unknown until we parse the body
333 */
334 op->named.data = aml_op_start;
335 op->named.length = 0;
336 }
337
338 parent_scope = acpi_ps_get_parent_scope(&(walk_state->parser_state));
339 acpi_ps_append_arg(parent_scope, op);
340
341 if (parent_scope) {
342 op_info =
343 acpi_ps_get_opcode_info(parent_scope->common.aml_opcode);
344 if (op_info->flags & AML_HAS_TARGET) {
345 argument_count =
346 acpi_ps_get_argument_count(op_info->type);
347 if (parent_scope->common.arg_list_length >
348 argument_count) {
349 op->common.flags |= ACPI_PARSEOP_TARGET;
350 }
351 } else if (parent_scope->common.aml_opcode == AML_INCREMENT_OP) {
352 op->common.flags |= ACPI_PARSEOP_TARGET;
353 }
354 }
355
356 if (walk_state->descending_callback != NULL) {
357 /*
358 * Find the object. This will either insert the object into
359 * the namespace or simply look it up
360 */
361 walk_state->op = *new_op = op;
362
363 status = walk_state->descending_callback(walk_state, &op);
364 status = acpi_ps_next_parse_state(walk_state, op, status);
365 if (status == AE_CTRL_PENDING) {
366 status = AE_CTRL_PARSE_PENDING;
367 }
368 }
369
370 return_ACPI_STATUS(status);
371}
372
373/*******************************************************************************
374 *
375 * FUNCTION: acpi_ps_get_arguments
376 *
377 * PARAMETERS: walk_state - Current state
378 * aml_op_start - Op start in AML
379 * Op - Current Op
380 *
381 * RETURN: Status
382 *
383 * DESCRIPTION: Get arguments for passed Op.
384 *
385 ******************************************************************************/
386
387static acpi_status
388acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
389 u8 * aml_op_start, union acpi_parse_object *op)
390{
391 acpi_status status = AE_OK;
392 union acpi_parse_object *arg = NULL;
393
394 ACPI_FUNCTION_TRACE_PTR(ps_get_arguments, walk_state);
395
396 switch (op->common.aml_opcode) {
397 case AML_BYTE_OP: /* AML_BYTEDATA_ARG */
398 case AML_WORD_OP: /* AML_WORDDATA_ARG */
399 case AML_DWORD_OP: /* AML_DWORDATA_ARG */
400 case AML_QWORD_OP: /* AML_QWORDATA_ARG */
401 case AML_STRING_OP: /* AML_ASCIICHARLIST_ARG */
402
403 /* Fill in constant or string argument directly */
404
405 acpi_ps_get_next_simple_arg(&(walk_state->parser_state),
406 GET_CURRENT_ARG_TYPE(walk_state->
407 arg_types),
408 op);
409 break;
410
411 case AML_INT_NAMEPATH_OP: /* AML_NAMESTRING_ARG */
412
413 status =
414 acpi_ps_get_next_namepath(walk_state,
415 &(walk_state->parser_state), op,
416 1);
417 if (ACPI_FAILURE(status)) {
418 return_ACPI_STATUS(status);
419 }
420
421 walk_state->arg_types = 0;
422 break;
423
424 default:
425 /*
426 * Op is not a constant or string, append each argument to the Op
427 */
428 while (GET_CURRENT_ARG_TYPE(walk_state->arg_types)
429 && !walk_state->arg_count) {
430 walk_state->aml_offset =
431 (u32) ACPI_PTR_DIFF(walk_state->parser_state.aml,
432 walk_state->parser_state.
433 aml_start);
434
435 status =
436 acpi_ps_get_next_arg(walk_state,
437 &(walk_state->parser_state),
438 GET_CURRENT_ARG_TYPE
439 (walk_state->arg_types), &arg);
440 if (ACPI_FAILURE(status)) {
441 return_ACPI_STATUS(status);
442 }
443
444 if (arg) {
445 arg->common.aml_offset = walk_state->aml_offset;
446 acpi_ps_append_arg(op, arg);
447 }
448
449 INCREMENT_ARG_LIST(walk_state->arg_types);
450 }
451
452 /* Special processing for certain opcodes */
453
454 /* TBD (remove): Temporary mechanism to disable this code if needed */
455
456#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
457
458 if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
459 ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
460 /*
461 * We want to skip If/Else/While constructs during Pass1 because we
462 * want to actually conditionally execute the code during Pass2.
463 *
464 * Except for disassembly, where we always want to walk the
465 * If/Else/While packages
466 */
467 switch (op->common.aml_opcode) {
468 case AML_IF_OP:
469 case AML_ELSE_OP:
470 case AML_WHILE_OP:
471
472 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
473 "Pass1: Skipping an If/Else/While body\n"));
474
475 /* Skip body of if/else/while in pass 1 */
476
477 walk_state->parser_state.aml =
478 walk_state->parser_state.pkg_end;
479 walk_state->arg_count = 0;
480 break;
481
482 default:
483 break;
484 }
485 }
486#endif
487
488 switch (op->common.aml_opcode) {
489 case AML_METHOD_OP:
490 /*
491 * Skip parsing of control method because we don't have enough
492 * info in the first pass to parse it correctly.
493 *
494 * Save the length and address of the body
495 */
496 op->named.data = walk_state->parser_state.aml;
497 op->named.length = (u32)
498 (walk_state->parser_state.pkg_end -
499 walk_state->parser_state.aml);
500
501 /* Skip body of method */
502
503 walk_state->parser_state.aml =
504 walk_state->parser_state.pkg_end;
505 walk_state->arg_count = 0;
506 break;
507
508 case AML_BUFFER_OP:
509 case AML_PACKAGE_OP:
510 case AML_VAR_PACKAGE_OP:
511
512 if ((op->common.parent) &&
513 (op->common.parent->common.aml_opcode ==
514 AML_NAME_OP)
515 && (walk_state->pass_number <=
516 ACPI_IMODE_LOAD_PASS2)) {
517 /*
518 * Skip parsing of Buffers and Packages because we don't have
519 * enough info in the first pass to parse them correctly.
520 */
521 op->named.data = aml_op_start;
522 op->named.length = (u32)
523 (walk_state->parser_state.pkg_end -
524 aml_op_start);
525
526 /* Skip body */
527
528 walk_state->parser_state.aml =
529 walk_state->parser_state.pkg_end;
530 walk_state->arg_count = 0;
531 }
532 break;
533
534 case AML_WHILE_OP:
535
536 if (walk_state->control_state) {
537 walk_state->control_state->control.package_end =
538 walk_state->parser_state.pkg_end;
539 }
540 break;
541
542 default:
543
544 /* No action for all other opcodes */
545 break;
546 }
547
548 break;
549 }
550
551 return_ACPI_STATUS(AE_OK);
552}
553
554/*******************************************************************************
555 *
556 * FUNCTION: acpi_ps_complete_op
557 *
558 * PARAMETERS: walk_state - Current state
559 * Op - Returned Op
560 * Status - Parse status before complete Op
561 *
562 * RETURN: Status
563 *
564 * DESCRIPTION: Complete Op
565 *
566 ******************************************************************************/
567
568static acpi_status
569acpi_ps_complete_op(struct acpi_walk_state *walk_state,
570 union acpi_parse_object **op, acpi_status status)
571{
572 acpi_status status2;
573
574 ACPI_FUNCTION_TRACE_PTR(ps_complete_op, walk_state);
575
576 /*
577 * Finished one argument of the containing scope
578 */
579 walk_state->parser_state.scope->parse_scope.arg_count--;
580
581 /* Close this Op (will result in parse subtree deletion) */
582
583 status2 = acpi_ps_complete_this_op(walk_state, *op);
584 if (ACPI_FAILURE(status2)) {
585 return_ACPI_STATUS(status2);
586 }
587
588 *op = NULL;
589
590 switch (status) {
591 case AE_OK:
592 break;
593
594 case AE_CTRL_TRANSFER:
595
596 /* We are about to transfer to a called method */
597
598 walk_state->prev_op = NULL;
599 walk_state->prev_arg_types = walk_state->arg_types;
600 return_ACPI_STATUS(status);
601
602 case AE_CTRL_END:
603
604 acpi_ps_pop_scope(&(walk_state->parser_state), op,
605 &walk_state->arg_types,
606 &walk_state->arg_count);
607
608 if (*op) {
609 walk_state->op = *op;
610 walk_state->op_info =
611 acpi_ps_get_opcode_info((*op)->common.aml_opcode);
612 walk_state->opcode = (*op)->common.aml_opcode;
613
614 status = walk_state->ascending_callback(walk_state);
615 status =
616 acpi_ps_next_parse_state(walk_state, *op, status);
617
618 status2 = acpi_ps_complete_this_op(walk_state, *op);
619 if (ACPI_FAILURE(status2)) {
620 return_ACPI_STATUS(status2);
621 }
622 }
623
624 status = AE_OK;
625 break;
626
627 case AE_CTRL_BREAK:
628 case AE_CTRL_CONTINUE:
629
630 /* Pop off scopes until we find the While */
631
632 while (!(*op) || ((*op)->common.aml_opcode != AML_WHILE_OP)) {
633 acpi_ps_pop_scope(&(walk_state->parser_state), op,
634 &walk_state->arg_types,
635 &walk_state->arg_count);
636 }
637
638 /* Close this iteration of the While loop */
639
640 walk_state->op = *op;
641 walk_state->op_info =
642 acpi_ps_get_opcode_info((*op)->common.aml_opcode);
643 walk_state->opcode = (*op)->common.aml_opcode;
644
645 status = walk_state->ascending_callback(walk_state);
646 status = acpi_ps_next_parse_state(walk_state, *op, status);
647
648 status2 = acpi_ps_complete_this_op(walk_state, *op);
649 if (ACPI_FAILURE(status2)) {
650 return_ACPI_STATUS(status2);
651 }
652
653 status = AE_OK;
654 break;
655
656 case AE_CTRL_TERMINATE:
657
658 /* Clean up */
659 do {
660 if (*op) {
661 status2 =
662 acpi_ps_complete_this_op(walk_state, *op);
663 if (ACPI_FAILURE(status2)) {
664 return_ACPI_STATUS(status2);
665 }
666
667 acpi_ut_delete_generic_state
668 (acpi_ut_pop_generic_state
669 (&walk_state->control_state));
670 }
671
672 acpi_ps_pop_scope(&(walk_state->parser_state), op,
673 &walk_state->arg_types,
674 &walk_state->arg_count);
675
676 } while (*op);
677
678 return_ACPI_STATUS(AE_OK);
679
680 default: /* All other non-AE_OK status */
681
682 do {
683 if (*op) {
684 status2 =
685 acpi_ps_complete_this_op(walk_state, *op);
686 if (ACPI_FAILURE(status2)) {
687 return_ACPI_STATUS(status2);
688 }
689 }
690
691 acpi_ps_pop_scope(&(walk_state->parser_state), op,
692 &walk_state->arg_types,
693 &walk_state->arg_count);
694
695 } while (*op);
696
697#if 0
698 /*
699 * TBD: Cleanup parse ops on error
700 */
701 if (*op == NULL) {
702 acpi_ps_pop_scope(parser_state, op,
703 &walk_state->arg_types,
704 &walk_state->arg_count);
705 }
706#endif
707 walk_state->prev_op = NULL;
708 walk_state->prev_arg_types = walk_state->arg_types;
709 return_ACPI_STATUS(status);
710 }
711
712 /* This scope complete? */
713
714 if (acpi_ps_has_completed_scope(&(walk_state->parser_state))) {
715 acpi_ps_pop_scope(&(walk_state->parser_state), op,
716 &walk_state->arg_types,
717 &walk_state->arg_count);
718 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Popped scope, Op=%p\n", *op));
719 } else {
720 *op = NULL;
721 }
722
723 ACPI_PREEMPTION_POINT();
724
725 return_ACPI_STATUS(AE_OK);
726}
727
728/*******************************************************************************
729 *
730 * FUNCTION: acpi_ps_complete_final_op
731 *
732 * PARAMETERS: walk_state - Current state
733 * Op - Current Op
734 * Status - Current parse status before complete last
735 * Op
736 *
737 * RETURN: Status
738 *
739 * DESCRIPTION: Complete last Op.
740 *
741 ******************************************************************************/
742
743static acpi_status
744acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
745 union acpi_parse_object *op, acpi_status status)
746{
747 acpi_status status2;
748
749 ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
750
751 /*
752 * Complete the last Op (if not completed), and clear the scope stack.
753 * It is easily possible to end an AML "package" with an unbounded number
754 * of open scopes (such as when several ASL blocks are closed with
755 * sequential closing braces). We want to terminate each one cleanly.
756 */
757 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "AML package complete at Op %p\n",
758 op));
759 do {
760 if (op) {
761 if (walk_state->ascending_callback != NULL) {
762 walk_state->op = op;
763 walk_state->op_info =
764 acpi_ps_get_opcode_info(op->common.
765 aml_opcode);
766 walk_state->opcode = op->common.aml_opcode;
767
768 status =
769 walk_state->ascending_callback(walk_state);
770 status =
771 acpi_ps_next_parse_state(walk_state, op,
772 status);
773 if (status == AE_CTRL_PENDING) {
774 status =
775 acpi_ps_complete_op(walk_state, &op,
776 AE_OK);
777 if (ACPI_FAILURE(status)) {
778 return_ACPI_STATUS(status);
779 }
780 }
781
782 if (status == AE_CTRL_TERMINATE) {
783 status = AE_OK;
784
785 /* Clean up */
786 do {
787 if (op) {
788 status2 =
789 acpi_ps_complete_this_op
790 (walk_state, op);
791 if (ACPI_FAILURE
792 (status2)) {
793 return_ACPI_STATUS
794 (status2);
795 }
796 }
797
798 acpi_ps_pop_scope(&
799 (walk_state->
800 parser_state),
801 &op,
802 &walk_state->
803 arg_types,
804 &walk_state->
805 arg_count);
806
807 } while (op);
808
809 return_ACPI_STATUS(status);
810 }
811
812 else if (ACPI_FAILURE(status)) {
813
814 /* First error is most important */
815
816 (void)
817 acpi_ps_complete_this_op(walk_state,
818 op);
819 return_ACPI_STATUS(status);
820 }
821 }
822
823 status2 = acpi_ps_complete_this_op(walk_state, op);
824 if (ACPI_FAILURE(status2)) {
825 return_ACPI_STATUS(status2);
826 }
827 }
828
829 acpi_ps_pop_scope(&(walk_state->parser_state), &op,
830 &walk_state->arg_types,
831 &walk_state->arg_count);
832
833 } while (op);
834
835 return_ACPI_STATUS(status);
836}
837
838/*******************************************************************************
839 *
840 * FUNCTION: acpi_ps_parse_loop
841 *
842 * PARAMETERS: walk_state - Current state
843 *
844 * RETURN: Status
845 *
846 * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
847 * a tree of ops.
848 *
849 ******************************************************************************/
850
851acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
852{
853 acpi_status status = AE_OK;
854 union acpi_parse_object *op = NULL; /* current op */
855 struct acpi_parse_state *parser_state;
856 u8 *aml_op_start = NULL;
857
858 ACPI_FUNCTION_TRACE_PTR(ps_parse_loop, walk_state);
859
860 if (walk_state->descending_callback == NULL) {
861 return_ACPI_STATUS(AE_BAD_PARAMETER);
862 }
863
864 parser_state = &walk_state->parser_state;
865 walk_state->arg_types = 0;
866
867#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
868
869 if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
870
871 /* We are restarting a preempted control method */
872
873 if (acpi_ps_has_completed_scope(parser_state)) {
874 /*
875 * We must check if a predicate to an IF or WHILE statement
876 * was just completed
877 */
878 if ((parser_state->scope->parse_scope.op) &&
879 ((parser_state->scope->parse_scope.op->common.
880 aml_opcode == AML_IF_OP)
881 || (parser_state->scope->parse_scope.op->common.
882 aml_opcode == AML_WHILE_OP))
883 && (walk_state->control_state)
884 && (walk_state->control_state->common.state ==
885 ACPI_CONTROL_PREDICATE_EXECUTING)) {
886 /*
887 * A predicate was just completed, get the value of the
888 * predicate and branch based on that value
889 */
890 walk_state->op = NULL;
891 status =
892 acpi_ds_get_predicate_value(walk_state,
893 ACPI_TO_POINTER
894 (TRUE));
895 if (ACPI_FAILURE(status)
896 && ((status & AE_CODE_MASK) !=
897 AE_CODE_CONTROL)) {
898 if (status == AE_AML_NO_RETURN_VALUE) {
899 ACPI_EXCEPTION((AE_INFO, status,
900 "Invoked method did not return a value"));
901
902 }
903
904 ACPI_EXCEPTION((AE_INFO, status,
905 "GetPredicate Failed"));
906 return_ACPI_STATUS(status);
907 }
908
909 status =
910 acpi_ps_next_parse_state(walk_state, op,
911 status);
912 }
913
914 acpi_ps_pop_scope(parser_state, &op,
915 &walk_state->arg_types,
916 &walk_state->arg_count);
917 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
918 "Popped scope, Op=%p\n", op));
919 } else if (walk_state->prev_op) {
920
921 /* We were in the middle of an op */
922
923 op = walk_state->prev_op;
924 walk_state->arg_types = walk_state->prev_arg_types;
925 }
926 }
927#endif
928
929 /* Iterative parsing loop, while there is more AML to process: */
930
931 while ((parser_state->aml < parser_state->aml_end) || (op)) {
932 aml_op_start = parser_state->aml;
933 if (!op) {
934 status =
935 acpi_ps_create_op(walk_state, aml_op_start, &op);
936 if (ACPI_FAILURE(status)) {
937 if (status == AE_CTRL_PARSE_CONTINUE) {
938 continue;
939 }
940
941 if (status == AE_CTRL_PARSE_PENDING) {
942 status = AE_OK;
943 }
944
945 status =
946 acpi_ps_complete_op(walk_state, &op,
947 status);
948 if (ACPI_FAILURE(status)) {
949 return_ACPI_STATUS(status);
950 }
951
952 continue;
953 }
954
955 op->common.aml_offset = walk_state->aml_offset;
956
957 if (walk_state->op_info) {
958 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
959 "Opcode %4.4X [%s] Op %p Aml %p AmlOffset %5.5X\n",
960 (u32) op->common.aml_opcode,
961 walk_state->op_info->name, op,
962 parser_state->aml,
963 op->common.aml_offset));
964 }
965 }
966
967 /*
968 * Start arg_count at zero because we don't know if there are
969 * any args yet
970 */
971 walk_state->arg_count = 0;
972
973 /* Are there any arguments that must be processed? */
974
975 if (walk_state->arg_types) {
976
977 /* Get arguments */
978
979 status =
980 acpi_ps_get_arguments(walk_state, aml_op_start, op);
981 if (ACPI_FAILURE(status)) {
982 status =
983 acpi_ps_complete_op(walk_state, &op,
984 status);
985 if (ACPI_FAILURE(status)) {
986 return_ACPI_STATUS(status);
987 }
988
989 continue;
990 }
991 }
992
993 /* Check for arguments that need to be processed */
994
995 if (walk_state->arg_count) {
996 /*
997 * There are arguments (complex ones), push Op and
998 * prepare for argument
999 */
1000 status = acpi_ps_push_scope(parser_state, op,
1001 walk_state->arg_types,
1002 walk_state->arg_count);
1003 if (ACPI_FAILURE(status)) {
1004 status =
1005 acpi_ps_complete_op(walk_state, &op,
1006 status);
1007 if (ACPI_FAILURE(status)) {
1008 return_ACPI_STATUS(status);
1009 }
1010
1011 continue;
1012 }
1013
1014 op = NULL;
1015 continue;
1016 }
1017
1018 /*
1019 * All arguments have been processed -- Op is complete,
1020 * prepare for next
1021 */
1022 walk_state->op_info =
1023 acpi_ps_get_opcode_info(op->common.aml_opcode);
1024 if (walk_state->op_info->flags & AML_NAMED) {
1025 if (acpi_gbl_depth) {
1026 acpi_gbl_depth--;
1027 }
1028
1029 if (op->common.aml_opcode == AML_REGION_OP ||
1030 op->common.aml_opcode == AML_DATA_REGION_OP) {
1031 /*
1032 * Skip parsing of control method or opregion body,
1033 * because we don't have enough info in the first pass
1034 * to parse them correctly.
1035 *
1036 * Completed parsing an op_region declaration, we now
1037 * know the length.
1038 */
1039 op->named.length =
1040 (u32) (parser_state->aml - op->named.data);
1041 }
1042 }
1043
1044 if (walk_state->op_info->flags & AML_CREATE) {
1045 /*
1046 * Backup to beginning of create_xXXfield declaration (1 for
1047 * Opcode)
1048 *
1049 * body_length is unknown until we parse the body
1050 */
1051 op->named.length =
1052 (u32) (parser_state->aml - op->named.data);
1053 }
1054
1055 if (op->common.aml_opcode == AML_BANK_FIELD_OP) {
1056 /*
1057 * Backup to beginning of bank_field declaration
1058 *
1059 * body_length is unknown until we parse the body
1060 */
1061 op->named.length =
1062 (u32) (parser_state->aml - op->named.data);
1063 }
1064
1065 /* This op complete, notify the dispatcher */
1066
1067 if (walk_state->ascending_callback != NULL) {
1068 walk_state->op = op;
1069 walk_state->opcode = op->common.aml_opcode;
1070
1071 status = walk_state->ascending_callback(walk_state);
1072 status =
1073 acpi_ps_next_parse_state(walk_state, op, status);
1074 if (status == AE_CTRL_PENDING) {
1075 status = AE_OK;
1076 }
1077 }
1078
1079 status = acpi_ps_complete_op(walk_state, &op, status);
1080 if (ACPI_FAILURE(status)) {
1081 return_ACPI_STATUS(status);
1082 }
1083
1084 } /* while parser_state->Aml */
1085
1086 status = acpi_ps_complete_final_op(walk_state, op, status);
1087 return_ACPI_STATUS(status);
1088}
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
deleted file mode 100644
index 3693a121b347..000000000000
--- a/drivers/acpi/parser/psopcode.c
+++ /dev/null
@@ -1,810 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psopcode - Parser/Interpreter opcode information table
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47#include <acpi/acopcode.h>
48#include <acpi/amlcode.h>
49
50#define _COMPONENT ACPI_PARSER
51ACPI_MODULE_NAME("psopcode")
52
53static const u8 acpi_gbl_argument_count[] =
54 { 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 6 };
55
56/*******************************************************************************
57 *
58 * NAME: acpi_gbl_aml_op_info
59 *
60 * DESCRIPTION: Opcode table. Each entry contains <opcode, type, name, operands>
61 * The name is a simple ascii string, the operand specifier is an
62 * ascii string with one letter per operand. The letter specifies
63 * the operand type.
64 *
65 ******************************************************************************/
66
67/*
68 * Summary of opcode types/flags
69 *
70
71 Opcodes that have associated namespace objects (AML_NSOBJECT flag)
72
73 AML_SCOPE_OP
74 AML_DEVICE_OP
75 AML_THERMAL_ZONE_OP
76 AML_METHOD_OP
77 AML_POWER_RES_OP
78 AML_PROCESSOR_OP
79 AML_FIELD_OP
80 AML_INDEX_FIELD_OP
81 AML_BANK_FIELD_OP
82 AML_NAME_OP
83 AML_ALIAS_OP
84 AML_MUTEX_OP
85 AML_EVENT_OP
86 AML_REGION_OP
87 AML_CREATE_FIELD_OP
88 AML_CREATE_BIT_FIELD_OP
89 AML_CREATE_BYTE_FIELD_OP
90 AML_CREATE_WORD_FIELD_OP
91 AML_CREATE_DWORD_FIELD_OP
92 AML_CREATE_QWORD_FIELD_OP
93 AML_INT_NAMEDFIELD_OP
94 AML_INT_METHODCALL_OP
95 AML_INT_NAMEPATH_OP
96
97 Opcodes that are "namespace" opcodes (AML_NSOPCODE flag)
98
99 AML_SCOPE_OP
100 AML_DEVICE_OP
101 AML_THERMAL_ZONE_OP
102 AML_METHOD_OP
103 AML_POWER_RES_OP
104 AML_PROCESSOR_OP
105 AML_FIELD_OP
106 AML_INDEX_FIELD_OP
107 AML_BANK_FIELD_OP
108 AML_NAME_OP
109 AML_ALIAS_OP
110 AML_MUTEX_OP
111 AML_EVENT_OP
112 AML_REGION_OP
113 AML_INT_NAMEDFIELD_OP
114
115 Opcodes that have an associated namespace node (AML_NSNODE flag)
116
117 AML_SCOPE_OP
118 AML_DEVICE_OP
119 AML_THERMAL_ZONE_OP
120 AML_METHOD_OP
121 AML_POWER_RES_OP
122 AML_PROCESSOR_OP
123 AML_NAME_OP
124 AML_ALIAS_OP
125 AML_MUTEX_OP
126 AML_EVENT_OP
127 AML_REGION_OP
128 AML_CREATE_FIELD_OP
129 AML_CREATE_BIT_FIELD_OP
130 AML_CREATE_BYTE_FIELD_OP
131 AML_CREATE_WORD_FIELD_OP
132 AML_CREATE_DWORD_FIELD_OP
133 AML_CREATE_QWORD_FIELD_OP
134 AML_INT_NAMEDFIELD_OP
135 AML_INT_METHODCALL_OP
136 AML_INT_NAMEPATH_OP
137
138 Opcodes that define named ACPI objects (AML_NAMED flag)
139
140 AML_SCOPE_OP
141 AML_DEVICE_OP
142 AML_THERMAL_ZONE_OP
143 AML_METHOD_OP
144 AML_POWER_RES_OP
145 AML_PROCESSOR_OP
146 AML_NAME_OP
147 AML_ALIAS_OP
148 AML_MUTEX_OP
149 AML_EVENT_OP
150 AML_REGION_OP
151 AML_INT_NAMEDFIELD_OP
152
153 Opcodes that contain executable AML as part of the definition that
154 must be deferred until needed
155
156 AML_METHOD_OP
157 AML_VAR_PACKAGE_OP
158 AML_CREATE_FIELD_OP
159 AML_CREATE_BIT_FIELD_OP
160 AML_CREATE_BYTE_FIELD_OP
161 AML_CREATE_WORD_FIELD_OP
162 AML_CREATE_DWORD_FIELD_OP
163 AML_CREATE_QWORD_FIELD_OP
164 AML_REGION_OP
165 AML_BUFFER_OP
166
167 Field opcodes
168
169 AML_CREATE_FIELD_OP
170 AML_FIELD_OP
171 AML_INDEX_FIELD_OP
172 AML_BANK_FIELD_OP
173
174 Field "Create" opcodes
175
176 AML_CREATE_FIELD_OP
177 AML_CREATE_BIT_FIELD_OP
178 AML_CREATE_BYTE_FIELD_OP
179 AML_CREATE_WORD_FIELD_OP
180 AML_CREATE_DWORD_FIELD_OP
181 AML_CREATE_QWORD_FIELD_OP
182
183 ******************************************************************************/
184
185/*
186 * Master Opcode information table. A summary of everything we know about each
187 * opcode, all in one place.
188 */
189const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = {
190/*! [Begin] no source code translation */
191/* Index Name Parser Args Interpreter Args ObjectType Class Type Flags */
192
193/* 00 */ ACPI_OP("Zero", ARGP_ZERO_OP, ARGI_ZERO_OP, ACPI_TYPE_INTEGER,
194 AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT),
195/* 01 */ ACPI_OP("One", ARGP_ONE_OP, ARGI_ONE_OP, ACPI_TYPE_INTEGER,
196 AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT),
197/* 02 */ ACPI_OP("Alias", ARGP_ALIAS_OP, ARGI_ALIAS_OP,
198 ACPI_TYPE_LOCAL_ALIAS, AML_CLASS_NAMED_OBJECT,
199 AML_TYPE_NAMED_SIMPLE,
200 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
201 AML_NSNODE | AML_NAMED),
202/* 03 */ ACPI_OP("Name", ARGP_NAME_OP, ARGI_NAME_OP, ACPI_TYPE_ANY,
203 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX,
204 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
205 AML_NSNODE | AML_NAMED),
206/* 04 */ ACPI_OP("ByteConst", ARGP_BYTE_OP, ARGI_BYTE_OP,
207 ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT,
208 AML_TYPE_LITERAL, AML_CONSTANT),
209/* 05 */ ACPI_OP("WordConst", ARGP_WORD_OP, ARGI_WORD_OP,
210 ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT,
211 AML_TYPE_LITERAL, AML_CONSTANT),
212/* 06 */ ACPI_OP("DwordConst", ARGP_DWORD_OP, ARGI_DWORD_OP,
213 ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT,
214 AML_TYPE_LITERAL, AML_CONSTANT),
215/* 07 */ ACPI_OP("String", ARGP_STRING_OP, ARGI_STRING_OP,
216 ACPI_TYPE_STRING, AML_CLASS_ARGUMENT,
217 AML_TYPE_LITERAL, AML_CONSTANT),
218/* 08 */ ACPI_OP("Scope", ARGP_SCOPE_OP, ARGI_SCOPE_OP,
219 ACPI_TYPE_LOCAL_SCOPE, AML_CLASS_NAMED_OBJECT,
220 AML_TYPE_NAMED_NO_OBJ,
221 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
222 AML_NSNODE | AML_NAMED),
223/* 09 */ ACPI_OP("Buffer", ARGP_BUFFER_OP, ARGI_BUFFER_OP,
224 ACPI_TYPE_BUFFER, AML_CLASS_CREATE,
225 AML_TYPE_CREATE_OBJECT,
226 AML_HAS_ARGS | AML_DEFER | AML_CONSTANT),
227/* 0A */ ACPI_OP("Package", ARGP_PACKAGE_OP, ARGI_PACKAGE_OP,
228 ACPI_TYPE_PACKAGE, AML_CLASS_CREATE,
229 AML_TYPE_CREATE_OBJECT,
230 AML_HAS_ARGS | AML_DEFER | AML_CONSTANT),
231/* 0B */ ACPI_OP("Method", ARGP_METHOD_OP, ARGI_METHOD_OP,
232 ACPI_TYPE_METHOD, AML_CLASS_NAMED_OBJECT,
233 AML_TYPE_NAMED_COMPLEX,
234 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
235 AML_NSNODE | AML_NAMED | AML_DEFER),
236/* 0C */ ACPI_OP("Local0", ARGP_LOCAL0, ARGI_LOCAL0,
237 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
238 AML_TYPE_LOCAL_VARIABLE, 0),
239/* 0D */ ACPI_OP("Local1", ARGP_LOCAL1, ARGI_LOCAL1,
240 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
241 AML_TYPE_LOCAL_VARIABLE, 0),
242/* 0E */ ACPI_OP("Local2", ARGP_LOCAL2, ARGI_LOCAL2,
243 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
244 AML_TYPE_LOCAL_VARIABLE, 0),
245/* 0F */ ACPI_OP("Local3", ARGP_LOCAL3, ARGI_LOCAL3,
246 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
247 AML_TYPE_LOCAL_VARIABLE, 0),
248/* 10 */ ACPI_OP("Local4", ARGP_LOCAL4, ARGI_LOCAL4,
249 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
250 AML_TYPE_LOCAL_VARIABLE, 0),
251/* 11 */ ACPI_OP("Local5", ARGP_LOCAL5, ARGI_LOCAL5,
252 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
253 AML_TYPE_LOCAL_VARIABLE, 0),
254/* 12 */ ACPI_OP("Local6", ARGP_LOCAL6, ARGI_LOCAL6,
255 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
256 AML_TYPE_LOCAL_VARIABLE, 0),
257/* 13 */ ACPI_OP("Local7", ARGP_LOCAL7, ARGI_LOCAL7,
258 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
259 AML_TYPE_LOCAL_VARIABLE, 0),
260/* 14 */ ACPI_OP("Arg0", ARGP_ARG0, ARGI_ARG0,
261 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
262 AML_TYPE_METHOD_ARGUMENT, 0),
263/* 15 */ ACPI_OP("Arg1", ARGP_ARG1, ARGI_ARG1,
264 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
265 AML_TYPE_METHOD_ARGUMENT, 0),
266/* 16 */ ACPI_OP("Arg2", ARGP_ARG2, ARGI_ARG2,
267 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
268 AML_TYPE_METHOD_ARGUMENT, 0),
269/* 17 */ ACPI_OP("Arg3", ARGP_ARG3, ARGI_ARG3,
270 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
271 AML_TYPE_METHOD_ARGUMENT, 0),
272/* 18 */ ACPI_OP("Arg4", ARGP_ARG4, ARGI_ARG4,
273 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
274 AML_TYPE_METHOD_ARGUMENT, 0),
275/* 19 */ ACPI_OP("Arg5", ARGP_ARG5, ARGI_ARG5,
276 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
277 AML_TYPE_METHOD_ARGUMENT, 0),
278/* 1A */ ACPI_OP("Arg6", ARGP_ARG6, ARGI_ARG6,
279 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
280 AML_TYPE_METHOD_ARGUMENT, 0),
281/* 1B */ ACPI_OP("Store", ARGP_STORE_OP, ARGI_STORE_OP, ACPI_TYPE_ANY,
282 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
283 AML_FLAGS_EXEC_1A_1T_1R),
284/* 1C */ ACPI_OP("RefOf", ARGP_REF_OF_OP, ARGI_REF_OF_OP, ACPI_TYPE_ANY,
285 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R,
286 AML_FLAGS_EXEC_1A_0T_1R),
287/* 1D */ ACPI_OP("Add", ARGP_ADD_OP, ARGI_ADD_OP, ACPI_TYPE_ANY,
288 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
289 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
290/* 1E */ ACPI_OP("Concatenate", ARGP_CONCAT_OP, ARGI_CONCAT_OP,
291 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
292 AML_TYPE_EXEC_2A_1T_1R,
293 AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
294/* 1F */ ACPI_OP("Subtract", ARGP_SUBTRACT_OP, ARGI_SUBTRACT_OP,
295 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
296 AML_TYPE_EXEC_2A_1T_1R,
297 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
298/* 20 */ ACPI_OP("Increment", ARGP_INCREMENT_OP, ARGI_INCREMENT_OP,
299 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
300 AML_TYPE_EXEC_1A_0T_1R,
301 AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
302/* 21 */ ACPI_OP("Decrement", ARGP_DECREMENT_OP, ARGI_DECREMENT_OP,
303 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
304 AML_TYPE_EXEC_1A_0T_1R,
305 AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
306/* 22 */ ACPI_OP("Multiply", ARGP_MULTIPLY_OP, ARGI_MULTIPLY_OP,
307 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
308 AML_TYPE_EXEC_2A_1T_1R,
309 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
310/* 23 */ ACPI_OP("Divide", ARGP_DIVIDE_OP, ARGI_DIVIDE_OP,
311 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
312 AML_TYPE_EXEC_2A_2T_1R,
313 AML_FLAGS_EXEC_2A_2T_1R | AML_CONSTANT),
314/* 24 */ ACPI_OP("ShiftLeft", ARGP_SHIFT_LEFT_OP, ARGI_SHIFT_LEFT_OP,
315 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
316 AML_TYPE_EXEC_2A_1T_1R,
317 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
318/* 25 */ ACPI_OP("ShiftRight", ARGP_SHIFT_RIGHT_OP, ARGI_SHIFT_RIGHT_OP,
319 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
320 AML_TYPE_EXEC_2A_1T_1R,
321 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
322/* 26 */ ACPI_OP("And", ARGP_BIT_AND_OP, ARGI_BIT_AND_OP, ACPI_TYPE_ANY,
323 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
324 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
325/* 27 */ ACPI_OP("NAnd", ARGP_BIT_NAND_OP, ARGI_BIT_NAND_OP,
326 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
327 AML_TYPE_EXEC_2A_1T_1R,
328 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
329/* 28 */ ACPI_OP("Or", ARGP_BIT_OR_OP, ARGI_BIT_OR_OP, ACPI_TYPE_ANY,
330 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
331 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
332/* 29 */ ACPI_OP("NOr", ARGP_BIT_NOR_OP, ARGI_BIT_NOR_OP, ACPI_TYPE_ANY,
333 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
334 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
335/* 2A */ ACPI_OP("XOr", ARGP_BIT_XOR_OP, ARGI_BIT_XOR_OP, ACPI_TYPE_ANY,
336 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
337 AML_FLAGS_EXEC_2A_1T_1R | AML_MATH | AML_CONSTANT),
338/* 2B */ ACPI_OP("Not", ARGP_BIT_NOT_OP, ARGI_BIT_NOT_OP, ACPI_TYPE_ANY,
339 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
340 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
341/* 2C */ ACPI_OP("FindSetLeftBit", ARGP_FIND_SET_LEFT_BIT_OP,
342 ARGI_FIND_SET_LEFT_BIT_OP, ACPI_TYPE_ANY,
343 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
344 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
345/* 2D */ ACPI_OP("FindSetRightBit", ARGP_FIND_SET_RIGHT_BIT_OP,
346 ARGI_FIND_SET_RIGHT_BIT_OP, ACPI_TYPE_ANY,
347 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
348 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
349/* 2E */ ACPI_OP("DerefOf", ARGP_DEREF_OF_OP, ARGI_DEREF_OF_OP,
350 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
351 AML_TYPE_EXEC_1A_0T_1R, AML_FLAGS_EXEC_1A_0T_1R),
352/* 2F */ ACPI_OP("Notify", ARGP_NOTIFY_OP, ARGI_NOTIFY_OP,
353 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
354 AML_TYPE_EXEC_2A_0T_0R, AML_FLAGS_EXEC_2A_0T_0R),
355/* 30 */ ACPI_OP("SizeOf", ARGP_SIZE_OF_OP, ARGI_SIZE_OF_OP,
356 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
357 AML_TYPE_EXEC_1A_0T_1R,
358 AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE),
359/* 31 */ ACPI_OP("Index", ARGP_INDEX_OP, ARGI_INDEX_OP, ACPI_TYPE_ANY,
360 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
361 AML_FLAGS_EXEC_2A_1T_1R),
362/* 32 */ ACPI_OP("Match", ARGP_MATCH_OP, ARGI_MATCH_OP, ACPI_TYPE_ANY,
363 AML_CLASS_EXECUTE, AML_TYPE_EXEC_6A_0T_1R,
364 AML_FLAGS_EXEC_6A_0T_1R | AML_CONSTANT),
365/* 33 */ ACPI_OP("CreateDWordField", ARGP_CREATE_DWORD_FIELD_OP,
366 ARGI_CREATE_DWORD_FIELD_OP,
367 ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE,
368 AML_TYPE_CREATE_FIELD,
369 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
370 AML_DEFER | AML_CREATE),
371/* 34 */ ACPI_OP("CreateWordField", ARGP_CREATE_WORD_FIELD_OP,
372 ARGI_CREATE_WORD_FIELD_OP,
373 ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE,
374 AML_TYPE_CREATE_FIELD,
375 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
376 AML_DEFER | AML_CREATE),
377/* 35 */ ACPI_OP("CreateByteField", ARGP_CREATE_BYTE_FIELD_OP,
378 ARGI_CREATE_BYTE_FIELD_OP,
379 ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE,
380 AML_TYPE_CREATE_FIELD,
381 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
382 AML_DEFER | AML_CREATE),
383/* 36 */ ACPI_OP("CreateBitField", ARGP_CREATE_BIT_FIELD_OP,
384 ARGI_CREATE_BIT_FIELD_OP,
385 ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE,
386 AML_TYPE_CREATE_FIELD,
387 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
388 AML_DEFER | AML_CREATE),
389/* 37 */ ACPI_OP("ObjectType", ARGP_TYPE_OP, ARGI_TYPE_OP,
390 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
391 AML_TYPE_EXEC_1A_0T_1R,
392 AML_FLAGS_EXEC_1A_0T_1R | AML_NO_OPERAND_RESOLVE),
393/* 38 */ ACPI_OP("LAnd", ARGP_LAND_OP, ARGI_LAND_OP, ACPI_TYPE_ANY,
394 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
395 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT),
396/* 39 */ ACPI_OP("LOr", ARGP_LOR_OP, ARGI_LOR_OP, ACPI_TYPE_ANY,
397 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
398 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL_NUMERIC | AML_CONSTANT),
399/* 3A */ ACPI_OP("LNot", ARGP_LNOT_OP, ARGI_LNOT_OP, ACPI_TYPE_ANY,
400 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_1R,
401 AML_FLAGS_EXEC_1A_0T_1R | AML_CONSTANT),
402/* 3B */ ACPI_OP("LEqual", ARGP_LEQUAL_OP, ARGI_LEQUAL_OP,
403 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
404 AML_TYPE_EXEC_2A_0T_1R,
405 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
406/* 3C */ ACPI_OP("LGreater", ARGP_LGREATER_OP, ARGI_LGREATER_OP,
407 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
408 AML_TYPE_EXEC_2A_0T_1R,
409 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
410/* 3D */ ACPI_OP("LLess", ARGP_LLESS_OP, ARGI_LLESS_OP, ACPI_TYPE_ANY,
411 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
412 AML_FLAGS_EXEC_2A_0T_1R | AML_LOGICAL | AML_CONSTANT),
413/* 3E */ ACPI_OP("If", ARGP_IF_OP, ARGI_IF_OP, ACPI_TYPE_ANY,
414 AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS),
415/* 3F */ ACPI_OP("Else", ARGP_ELSE_OP, ARGI_ELSE_OP, ACPI_TYPE_ANY,
416 AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS),
417/* 40 */ ACPI_OP("While", ARGP_WHILE_OP, ARGI_WHILE_OP, ACPI_TYPE_ANY,
418 AML_CLASS_CONTROL, AML_TYPE_CONTROL, AML_HAS_ARGS),
419/* 41 */ ACPI_OP("Noop", ARGP_NOOP_OP, ARGI_NOOP_OP, ACPI_TYPE_ANY,
420 AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0),
421/* 42 */ ACPI_OP("Return", ARGP_RETURN_OP, ARGI_RETURN_OP,
422 ACPI_TYPE_ANY, AML_CLASS_CONTROL,
423 AML_TYPE_CONTROL, AML_HAS_ARGS),
424/* 43 */ ACPI_OP("Break", ARGP_BREAK_OP, ARGI_BREAK_OP, ACPI_TYPE_ANY,
425 AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0),
426/* 44 */ ACPI_OP("BreakPoint", ARGP_BREAK_POINT_OP, ARGI_BREAK_POINT_OP,
427 ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0),
428/* 45 */ ACPI_OP("Ones", ARGP_ONES_OP, ARGI_ONES_OP, ACPI_TYPE_INTEGER,
429 AML_CLASS_ARGUMENT, AML_TYPE_CONSTANT, AML_CONSTANT),
430
431/* Prefixed opcodes (Two-byte opcodes with a prefix op) */
432
433/* 46 */ ACPI_OP("Mutex", ARGP_MUTEX_OP, ARGI_MUTEX_OP, ACPI_TYPE_MUTEX,
434 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE,
435 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
436 AML_NSNODE | AML_NAMED),
437/* 47 */ ACPI_OP("Event", ARGP_EVENT_OP, ARGI_EVENT_OP, ACPI_TYPE_EVENT,
438 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_SIMPLE,
439 AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
440/* 48 */ ACPI_OP("CondRefOf", ARGP_COND_REF_OF_OP, ARGI_COND_REF_OF_OP,
441 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
442 AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R),
443/* 49 */ ACPI_OP("CreateField", ARGP_CREATE_FIELD_OP,
444 ARGI_CREATE_FIELD_OP, ACPI_TYPE_BUFFER_FIELD,
445 AML_CLASS_CREATE, AML_TYPE_CREATE_FIELD,
446 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
447 AML_DEFER | AML_FIELD | AML_CREATE),
448/* 4A */ ACPI_OP("Load", ARGP_LOAD_OP, ARGI_LOAD_OP, ACPI_TYPE_ANY,
449 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_0R,
450 AML_FLAGS_EXEC_1A_1T_0R),
451/* 4B */ ACPI_OP("Stall", ARGP_STALL_OP, ARGI_STALL_OP, ACPI_TYPE_ANY,
452 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R,
453 AML_FLAGS_EXEC_1A_0T_0R),
454/* 4C */ ACPI_OP("Sleep", ARGP_SLEEP_OP, ARGI_SLEEP_OP, ACPI_TYPE_ANY,
455 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R,
456 AML_FLAGS_EXEC_1A_0T_0R),
457/* 4D */ ACPI_OP("Acquire", ARGP_ACQUIRE_OP, ARGI_ACQUIRE_OP,
458 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
459 AML_TYPE_EXEC_2A_0T_1R, AML_FLAGS_EXEC_2A_0T_1R),
460/* 4E */ ACPI_OP("Signal", ARGP_SIGNAL_OP, ARGI_SIGNAL_OP,
461 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
462 AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R),
463/* 4F */ ACPI_OP("Wait", ARGP_WAIT_OP, ARGI_WAIT_OP, ACPI_TYPE_ANY,
464 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_0T_1R,
465 AML_FLAGS_EXEC_2A_0T_1R),
466/* 50 */ ACPI_OP("Reset", ARGP_RESET_OP, ARGI_RESET_OP, ACPI_TYPE_ANY,
467 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_0T_0R,
468 AML_FLAGS_EXEC_1A_0T_0R),
469/* 51 */ ACPI_OP("Release", ARGP_RELEASE_OP, ARGI_RELEASE_OP,
470 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
471 AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R),
472/* 52 */ ACPI_OP("FromBCD", ARGP_FROM_BCD_OP, ARGI_FROM_BCD_OP,
473 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
474 AML_TYPE_EXEC_1A_1T_1R,
475 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
476/* 53 */ ACPI_OP("ToBCD", ARGP_TO_BCD_OP, ARGI_TO_BCD_OP, ACPI_TYPE_ANY,
477 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
478 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
479/* 54 */ ACPI_OP("Unload", ARGP_UNLOAD_OP, ARGI_UNLOAD_OP,
480 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
481 AML_TYPE_EXEC_1A_0T_0R, AML_FLAGS_EXEC_1A_0T_0R),
482/* 55 */ ACPI_OP("Revision", ARGP_REVISION_OP, ARGI_REVISION_OP,
483 ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT,
484 AML_TYPE_CONSTANT, 0),
485/* 56 */ ACPI_OP("Debug", ARGP_DEBUG_OP, ARGI_DEBUG_OP,
486 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
487 AML_TYPE_CONSTANT, 0),
488/* 57 */ ACPI_OP("Fatal", ARGP_FATAL_OP, ARGI_FATAL_OP, ACPI_TYPE_ANY,
489 AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_0T_0R,
490 AML_FLAGS_EXEC_3A_0T_0R),
491/* 58 */ ACPI_OP("OperationRegion", ARGP_REGION_OP, ARGI_REGION_OP,
492 ACPI_TYPE_REGION, AML_CLASS_NAMED_OBJECT,
493 AML_TYPE_NAMED_COMPLEX,
494 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
495 AML_NSNODE | AML_NAMED | AML_DEFER),
496/* 59 */ ACPI_OP("Field", ARGP_FIELD_OP, ARGI_FIELD_OP, ACPI_TYPE_ANY,
497 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_FIELD,
498 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
499/* 5A */ ACPI_OP("Device", ARGP_DEVICE_OP, ARGI_DEVICE_OP,
500 ACPI_TYPE_DEVICE, AML_CLASS_NAMED_OBJECT,
501 AML_TYPE_NAMED_NO_OBJ,
502 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
503 AML_NSNODE | AML_NAMED),
504/* 5B */ ACPI_OP("Processor", ARGP_PROCESSOR_OP, ARGI_PROCESSOR_OP,
505 ACPI_TYPE_PROCESSOR, AML_CLASS_NAMED_OBJECT,
506 AML_TYPE_NAMED_SIMPLE,
507 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
508 AML_NSNODE | AML_NAMED),
509/* 5C */ ACPI_OP("PowerResource", ARGP_POWER_RES_OP, ARGI_POWER_RES_OP,
510 ACPI_TYPE_POWER, AML_CLASS_NAMED_OBJECT,
511 AML_TYPE_NAMED_SIMPLE,
512 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
513 AML_NSNODE | AML_NAMED),
514/* 5D */ ACPI_OP("ThermalZone", ARGP_THERMAL_ZONE_OP,
515 ARGI_THERMAL_ZONE_OP, ACPI_TYPE_THERMAL,
516 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_NO_OBJ,
517 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
518 AML_NSNODE | AML_NAMED),
519/* 5E */ ACPI_OP("IndexField", ARGP_INDEX_FIELD_OP, ARGI_INDEX_FIELD_OP,
520 ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT,
521 AML_TYPE_NAMED_FIELD,
522 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD),
523/* 5F */ ACPI_OP("BankField", ARGP_BANK_FIELD_OP, ARGI_BANK_FIELD_OP,
524 ACPI_TYPE_LOCAL_BANK_FIELD, AML_CLASS_NAMED_OBJECT,
525 AML_TYPE_NAMED_FIELD,
526 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_FIELD |
527 AML_DEFER),
528
529/* Internal opcodes that map to invalid AML opcodes */
530
531/* 60 */ ACPI_OP("LNotEqual", ARGP_LNOTEQUAL_OP, ARGI_LNOTEQUAL_OP,
532 ACPI_TYPE_ANY, AML_CLASS_INTERNAL,
533 AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT),
534/* 61 */ ACPI_OP("LLessEqual", ARGP_LLESSEQUAL_OP, ARGI_LLESSEQUAL_OP,
535 ACPI_TYPE_ANY, AML_CLASS_INTERNAL,
536 AML_TYPE_BOGUS, AML_HAS_ARGS | AML_CONSTANT),
537/* 62 */ ACPI_OP("LGreaterEqual", ARGP_LGREATEREQUAL_OP,
538 ARGI_LGREATEREQUAL_OP, ACPI_TYPE_ANY,
539 AML_CLASS_INTERNAL, AML_TYPE_BOGUS,
540 AML_HAS_ARGS | AML_CONSTANT),
541/* 63 */ ACPI_OP("-NamePath-", ARGP_NAMEPATH_OP, ARGI_NAMEPATH_OP,
542 ACPI_TYPE_LOCAL_REFERENCE, AML_CLASS_ARGUMENT,
543 AML_TYPE_LITERAL, AML_NSOBJECT | AML_NSNODE),
544/* 64 */ ACPI_OP("-MethodCall-", ARGP_METHODCALL_OP, ARGI_METHODCALL_OP,
545 ACPI_TYPE_METHOD, AML_CLASS_METHOD_CALL,
546 AML_TYPE_METHOD_CALL,
547 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE),
548/* 65 */ ACPI_OP("-ByteList-", ARGP_BYTELIST_OP, ARGI_BYTELIST_OP,
549 ACPI_TYPE_ANY, AML_CLASS_ARGUMENT,
550 AML_TYPE_LITERAL, 0),
551/* 66 */ ACPI_OP("-ReservedField-", ARGP_RESERVEDFIELD_OP,
552 ARGI_RESERVEDFIELD_OP, ACPI_TYPE_ANY,
553 AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0),
554/* 67 */ ACPI_OP("-NamedField-", ARGP_NAMEDFIELD_OP, ARGI_NAMEDFIELD_OP,
555 ACPI_TYPE_ANY, AML_CLASS_INTERNAL,
556 AML_TYPE_BOGUS,
557 AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE | AML_NAMED),
558/* 68 */ ACPI_OP("-AccessField-", ARGP_ACCESSFIELD_OP,
559 ARGI_ACCESSFIELD_OP, ACPI_TYPE_ANY,
560 AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0),
561/* 69 */ ACPI_OP("-StaticString", ARGP_STATICSTRING_OP,
562 ARGI_STATICSTRING_OP, ACPI_TYPE_ANY,
563 AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0),
564/* 6A */ ACPI_OP("-Return Value-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY,
565 AML_CLASS_RETURN_VALUE, AML_TYPE_RETURN,
566 AML_HAS_ARGS | AML_HAS_RETVAL),
567/* 6B */ ACPI_OP("-UNKNOWN_OP-", ARG_NONE, ARG_NONE, ACPI_TYPE_INVALID,
568 AML_CLASS_UNKNOWN, AML_TYPE_BOGUS, AML_HAS_ARGS),
569/* 6C */ ACPI_OP("-ASCII_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY,
570 AML_CLASS_ASCII, AML_TYPE_BOGUS, AML_HAS_ARGS),
571/* 6D */ ACPI_OP("-PREFIX_ONLY-", ARG_NONE, ARG_NONE, ACPI_TYPE_ANY,
572 AML_CLASS_PREFIX, AML_TYPE_BOGUS, AML_HAS_ARGS),
573
574/* ACPI 2.0 opcodes */
575
576/* 6E */ ACPI_OP("QwordConst", ARGP_QWORD_OP, ARGI_QWORD_OP,
577 ACPI_TYPE_INTEGER, AML_CLASS_ARGUMENT,
578 AML_TYPE_LITERAL, AML_CONSTANT),
579 /* 6F */ ACPI_OP("Package", /* Var */ ARGP_VAR_PACKAGE_OP,
580 ARGI_VAR_PACKAGE_OP, ACPI_TYPE_PACKAGE,
581 AML_CLASS_CREATE, AML_TYPE_CREATE_OBJECT,
582 AML_HAS_ARGS | AML_DEFER),
583/* 70 */ ACPI_OP("ConcatenateResTemplate", ARGP_CONCAT_RES_OP,
584 ARGI_CONCAT_RES_OP, ACPI_TYPE_ANY,
585 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
586 AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
587/* 71 */ ACPI_OP("Mod", ARGP_MOD_OP, ARGI_MOD_OP, ACPI_TYPE_ANY,
588 AML_CLASS_EXECUTE, AML_TYPE_EXEC_2A_1T_1R,
589 AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
590/* 72 */ ACPI_OP("CreateQWordField", ARGP_CREATE_QWORD_FIELD_OP,
591 ARGI_CREATE_QWORD_FIELD_OP,
592 ACPI_TYPE_BUFFER_FIELD, AML_CLASS_CREATE,
593 AML_TYPE_CREATE_FIELD,
594 AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE |
595 AML_DEFER | AML_CREATE),
596/* 73 */ ACPI_OP("ToBuffer", ARGP_TO_BUFFER_OP, ARGI_TO_BUFFER_OP,
597 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
598 AML_TYPE_EXEC_1A_1T_1R,
599 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
600/* 74 */ ACPI_OP("ToDecimalString", ARGP_TO_DEC_STR_OP,
601 ARGI_TO_DEC_STR_OP, ACPI_TYPE_ANY,
602 AML_CLASS_EXECUTE, AML_TYPE_EXEC_1A_1T_1R,
603 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
604/* 75 */ ACPI_OP("ToHexString", ARGP_TO_HEX_STR_OP, ARGI_TO_HEX_STR_OP,
605 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
606 AML_TYPE_EXEC_1A_1T_1R,
607 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
608/* 76 */ ACPI_OP("ToInteger", ARGP_TO_INTEGER_OP, ARGI_TO_INTEGER_OP,
609 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
610 AML_TYPE_EXEC_1A_1T_1R,
611 AML_FLAGS_EXEC_1A_1T_1R | AML_CONSTANT),
612/* 77 */ ACPI_OP("ToString", ARGP_TO_STRING_OP, ARGI_TO_STRING_OP,
613 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
614 AML_TYPE_EXEC_2A_1T_1R,
615 AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
616/* 78 */ ACPI_OP("CopyObject", ARGP_COPY_OP, ARGI_COPY_OP,
617 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
618 AML_TYPE_EXEC_1A_1T_1R, AML_FLAGS_EXEC_1A_1T_1R),
619/* 79 */ ACPI_OP("Mid", ARGP_MID_OP, ARGI_MID_OP, ACPI_TYPE_ANY,
620 AML_CLASS_EXECUTE, AML_TYPE_EXEC_3A_1T_1R,
621 AML_FLAGS_EXEC_3A_1T_1R | AML_CONSTANT),
622/* 7A */ ACPI_OP("Continue", ARGP_CONTINUE_OP, ARGI_CONTINUE_OP,
623 ACPI_TYPE_ANY, AML_CLASS_CONTROL, AML_TYPE_CONTROL, 0),
624/* 7B */ ACPI_OP("LoadTable", ARGP_LOAD_TABLE_OP, ARGI_LOAD_TABLE_OP,
625 ACPI_TYPE_ANY, AML_CLASS_EXECUTE,
626 AML_TYPE_EXEC_6A_0T_1R, AML_FLAGS_EXEC_6A_0T_1R),
627/* 7C */ ACPI_OP("DataTableRegion", ARGP_DATA_REGION_OP,
628 ARGI_DATA_REGION_OP, ACPI_TYPE_REGION,
629 AML_CLASS_NAMED_OBJECT, AML_TYPE_NAMED_COMPLEX,
630 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE |
631 AML_NSNODE | AML_NAMED | AML_DEFER),
632/* 7D */ ACPI_OP("[EvalSubTree]", ARGP_SCOPE_OP, ARGI_SCOPE_OP,
633 ACPI_TYPE_ANY, AML_CLASS_NAMED_OBJECT,
634 AML_TYPE_NAMED_NO_OBJ,
635 AML_HAS_ARGS | AML_NSOBJECT | AML_NSOPCODE | AML_NSNODE),
636
637/* ACPI 3.0 opcodes */
638
639/* 7E */ ACPI_OP("Timer", ARGP_TIMER_OP, ARGI_TIMER_OP, ACPI_TYPE_ANY,
640 AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R,
641 AML_FLAGS_EXEC_0A_0T_1R)
642
643/*! [End] no source code translation !*/
644};
645
646/*
647 * This table is directly indexed by the opcodes, and returns an
648 * index into the table above
649 */
650static const u8 acpi_gbl_short_op_index[256] = {
651/* 0 1 2 3 4 5 6 7 */
652/* 8 9 A B C D E F */
653/* 0x00 */ 0x00, 0x01, _UNK, _UNK, _UNK, _UNK, 0x02, _UNK,
654/* 0x08 */ 0x03, _UNK, 0x04, 0x05, 0x06, 0x07, 0x6E, _UNK,
655/* 0x10 */ 0x08, 0x09, 0x0a, 0x6F, 0x0b, _UNK, _UNK, _UNK,
656/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
657/* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
658/* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX,
659/* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D,
660/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
661/* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
662/* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
663/* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC,
664/* 0x58 */ _ASC, _ASC, _ASC, _UNK, _PFX, _UNK, _PFX, _ASC,
665/* 0x60 */ 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
666/* 0x68 */ 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, _UNK,
667/* 0x70 */ 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22,
668/* 0x78 */ 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a,
669/* 0x80 */ 0x2b, 0x2c, 0x2d, 0x2e, 0x70, 0x71, 0x2f, 0x30,
670/* 0x88 */ 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x72,
671/* 0x90 */ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x73, 0x74,
672/* 0x98 */ 0x75, 0x76, _UNK, _UNK, 0x77, 0x78, 0x79, 0x7A,
673/* 0xA0 */ 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x60, 0x61,
674/* 0xA8 */ 0x62, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
675/* 0xB0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
676/* 0xB8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
677/* 0xC0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
678/* 0xC8 */ _UNK, _UNK, _UNK, _UNK, 0x44, _UNK, _UNK, _UNK,
679/* 0xD0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
680/* 0xD8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
681/* 0xE0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
682/* 0xE8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
683/* 0xF0 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
684/* 0xF8 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x45,
685};
686
687/*
688 * This table is indexed by the second opcode of the extended opcode
689 * pair. It returns an index into the opcode table (acpi_gbl_aml_op_info)
690 */
691static const u8 acpi_gbl_long_op_index[NUM_EXTENDED_OPCODE] = {
692/* 0 1 2 3 4 5 6 7 */
693/* 8 9 A B C D E F */
694/* 0x00 */ _UNK, 0x46, 0x47, _UNK, _UNK, _UNK, _UNK, _UNK,
695/* 0x08 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
696/* 0x10 */ _UNK, _UNK, 0x48, 0x49, _UNK, _UNK, _UNK, _UNK,
697/* 0x18 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, 0x7B,
698/* 0x20 */ 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51,
699/* 0x28 */ 0x52, 0x53, 0x54, _UNK, _UNK, _UNK, _UNK, _UNK,
700/* 0x30 */ 0x55, 0x56, 0x57, 0x7e, _UNK, _UNK, _UNK, _UNK,
701/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
702/* 0x40 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
703/* 0x48 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
704/* 0x50 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
705/* 0x58 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
706/* 0x60 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
707/* 0x68 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
708/* 0x70 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
709/* 0x78 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK,
710/* 0x80 */ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
711/* 0x88 */ 0x7C,
712};
713
714/*******************************************************************************
715 *
716 * FUNCTION: acpi_ps_get_opcode_info
717 *
718 * PARAMETERS: Opcode - The AML opcode
719 *
720 * RETURN: A pointer to the info about the opcode.
721 *
722 * DESCRIPTION: Find AML opcode description based on the opcode.
723 * NOTE: This procedure must ALWAYS return a valid pointer!
724 *
725 ******************************************************************************/
726
727const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
728{
729 ACPI_FUNCTION_NAME(ps_get_opcode_info);
730
731 /*
732 * Detect normal 8-bit opcode or extended 16-bit opcode
733 */
734 if (!(opcode & 0xFF00)) {
735
736 /* Simple (8-bit) opcode: 0-255, can't index beyond table */
737
738 return (&acpi_gbl_aml_op_info
739 [acpi_gbl_short_op_index[(u8) opcode]]);
740 }
741
742 if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
743 (((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
744
745 /* Valid extended (16-bit) opcode */
746
747 return (&acpi_gbl_aml_op_info
748 [acpi_gbl_long_op_index[(u8) opcode]]);
749 }
750
751 /* Unknown AML opcode */
752
753 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
754 "Unknown AML opcode [%4.4X]\n", opcode));
755
756 return (&acpi_gbl_aml_op_info[_UNK]);
757}
758
759/*******************************************************************************
760 *
761 * FUNCTION: acpi_ps_get_opcode_name
762 *
763 * PARAMETERS: Opcode - The AML opcode
764 *
765 * RETURN: A pointer to the name of the opcode (ASCII String)
766 * Note: Never returns NULL.
767 *
768 * DESCRIPTION: Translate an opcode into a human-readable string
769 *
770 ******************************************************************************/
771
772char *acpi_ps_get_opcode_name(u16 opcode)
773{
774#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
775
776 const struct acpi_opcode_info *op;
777
778 op = acpi_ps_get_opcode_info(opcode);
779
780 /* Always guaranteed to return a valid pointer */
781
782 return (op->name);
783
784#else
785 return ("OpcodeName unavailable");
786
787#endif
788}
789
790/*******************************************************************************
791 *
792 * FUNCTION: acpi_ps_get_argument_count
793 *
794 * PARAMETERS: op_type - Type associated with the AML opcode
795 *
796 * RETURN: Argument count
797 *
798 * DESCRIPTION: Obtain the number of expected arguments for an AML opcode
799 *
800 ******************************************************************************/
801
802u8 acpi_ps_get_argument_count(u32 op_type)
803{
804
805 if (op_type <= AML_TYPE_EXEC_6A_0T_1R) {
806 return (acpi_gbl_argument_count[op_type]);
807 }
808
809 return (0);
810}
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
deleted file mode 100644
index 9da48fdb811a..000000000000
--- a/drivers/acpi/parser/psparse.c
+++ /dev/null
@@ -1,701 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psparse - Parser top level AML parse routines
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44/*
45 * Parse the AML and build an operation tree as most interpreters,
46 * like Perl, do. Parsing is done by hand rather than with a YACC
47 * generated parser to tightly constrain stack and dynamic memory
48 * usage. At the same time, parsing is kept flexible and the code
49 * fairly compact by parsing based on a list of AML opcode
50 * templates in aml_op_info[]
51 */
52
53#include <acpi/acpi.h>
54#include <acpi/accommon.h>
55#include <acpi/acparser.h>
56#include <acpi/acdispat.h>
57#include <acpi/amlcode.h>
58#include <acpi/acnamesp.h>
59#include <acpi/acinterp.h>
60
61#define _COMPONENT ACPI_PARSER
62ACPI_MODULE_NAME("psparse")
63
64/*******************************************************************************
65 *
66 * FUNCTION: acpi_ps_get_opcode_size
67 *
68 * PARAMETERS: Opcode - An AML opcode
69 *
70 * RETURN: Size of the opcode, in bytes (1 or 2)
71 *
72 * DESCRIPTION: Get the size of the current opcode.
73 *
74 ******************************************************************************/
75u32 acpi_ps_get_opcode_size(u32 opcode)
76{
77
78 /* Extended (2-byte) opcode if > 255 */
79
80 if (opcode > 0x00FF) {
81 return (2);
82 }
83
84 /* Otherwise, just a single byte opcode */
85
86 return (1);
87}
88
89/*******************************************************************************
90 *
91 * FUNCTION: acpi_ps_peek_opcode
92 *
93 * PARAMETERS: parser_state - A parser state object
94 *
95 * RETURN: Next AML opcode
96 *
97 * DESCRIPTION: Get next AML opcode (without incrementing AML pointer)
98 *
99 ******************************************************************************/
100
101u16 acpi_ps_peek_opcode(struct acpi_parse_state * parser_state)
102{
103 u8 *aml;
104 u16 opcode;
105
106 aml = parser_state->aml;
107 opcode = (u16) ACPI_GET8(aml);
108
109 if (opcode == AML_EXTENDED_OP_PREFIX) {
110
111 /* Extended opcode, get the second opcode byte */
112
113 aml++;
114 opcode = (u16) ((opcode << 8) | ACPI_GET8(aml));
115 }
116
117 return (opcode);
118}
119
120/*******************************************************************************
121 *
122 * FUNCTION: acpi_ps_complete_this_op
123 *
124 * PARAMETERS: walk_state - Current State
125 * Op - Op to complete
126 *
127 * RETURN: Status
128 *
129 * DESCRIPTION: Perform any cleanup at the completion of an Op.
130 *
131 ******************************************************************************/
132
133acpi_status
134acpi_ps_complete_this_op(struct acpi_walk_state * walk_state,
135 union acpi_parse_object * op)
136{
137 union acpi_parse_object *prev;
138 union acpi_parse_object *next;
139 const struct acpi_opcode_info *parent_info;
140 union acpi_parse_object *replacement_op = NULL;
141 acpi_status status = AE_OK;
142
143 ACPI_FUNCTION_TRACE_PTR(ps_complete_this_op, op);
144
145 /* Check for null Op, can happen if AML code is corrupt */
146
147 if (!op) {
148 return_ACPI_STATUS(AE_OK); /* OK for now */
149 }
150
151 /* Delete this op and the subtree below it if asked to */
152
153 if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) !=
154 ACPI_PARSE_DELETE_TREE)
155 || (walk_state->op_info->class == AML_CLASS_ARGUMENT)) {
156 return_ACPI_STATUS(AE_OK);
157 }
158
159 /* Make sure that we only delete this subtree */
160
161 if (op->common.parent) {
162 prev = op->common.parent->common.value.arg;
163 if (!prev) {
164
165 /* Nothing more to do */
166
167 goto cleanup;
168 }
169
170 /*
171 * Check if we need to replace the operator and its subtree
172 * with a return value op (placeholder op)
173 */
174 parent_info =
175 acpi_ps_get_opcode_info(op->common.parent->common.
176 aml_opcode);
177
178 switch (parent_info->class) {
179 case AML_CLASS_CONTROL:
180 break;
181
182 case AML_CLASS_CREATE:
183
184 /*
185 * These opcodes contain term_arg operands. The current
186 * op must be replaced by a placeholder return op
187 */
188 replacement_op =
189 acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
190 if (!replacement_op) {
191 status = AE_NO_MEMORY;
192 }
193 break;
194
195 case AML_CLASS_NAMED_OBJECT:
196
197 /*
198 * These opcodes contain term_arg operands. The current
199 * op must be replaced by a placeholder return op
200 */
201 if ((op->common.parent->common.aml_opcode ==
202 AML_REGION_OP)
203 || (op->common.parent->common.aml_opcode ==
204 AML_DATA_REGION_OP)
205 || (op->common.parent->common.aml_opcode ==
206 AML_BUFFER_OP)
207 || (op->common.parent->common.aml_opcode ==
208 AML_PACKAGE_OP)
209 || (op->common.parent->common.aml_opcode ==
210 AML_BANK_FIELD_OP)
211 || (op->common.parent->common.aml_opcode ==
212 AML_VAR_PACKAGE_OP)) {
213 replacement_op =
214 acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
215 if (!replacement_op) {
216 status = AE_NO_MEMORY;
217 }
218 } else
219 if ((op->common.parent->common.aml_opcode ==
220 AML_NAME_OP)
221 && (walk_state->pass_number <=
222 ACPI_IMODE_LOAD_PASS2)) {
223 if ((op->common.aml_opcode == AML_BUFFER_OP)
224 || (op->common.aml_opcode == AML_PACKAGE_OP)
225 || (op->common.aml_opcode ==
226 AML_VAR_PACKAGE_OP)) {
227 replacement_op =
228 acpi_ps_alloc_op(op->common.
229 aml_opcode);
230 if (!replacement_op) {
231 status = AE_NO_MEMORY;
232 } else {
233 replacement_op->named.data =
234 op->named.data;
235 replacement_op->named.length =
236 op->named.length;
237 }
238 }
239 }
240 break;
241
242 default:
243
244 replacement_op =
245 acpi_ps_alloc_op(AML_INT_RETURN_VALUE_OP);
246 if (!replacement_op) {
247 status = AE_NO_MEMORY;
248 }
249 }
250
251 /* We must unlink this op from the parent tree */
252
253 if (prev == op) {
254
255 /* This op is the first in the list */
256
257 if (replacement_op) {
258 replacement_op->common.parent =
259 op->common.parent;
260 replacement_op->common.value.arg = NULL;
261 replacement_op->common.node = op->common.node;
262 op->common.parent->common.value.arg =
263 replacement_op;
264 replacement_op->common.next = op->common.next;
265 } else {
266 op->common.parent->common.value.arg =
267 op->common.next;
268 }
269 }
270
271 /* Search the parent list */
272
273 else
274 while (prev) {
275
276 /* Traverse all siblings in the parent's argument list */
277
278 next = prev->common.next;
279 if (next == op) {
280 if (replacement_op) {
281 replacement_op->common.parent =
282 op->common.parent;
283 replacement_op->common.value.
284 arg = NULL;
285 replacement_op->common.node =
286 op->common.node;
287 prev->common.next =
288 replacement_op;
289 replacement_op->common.next =
290 op->common.next;
291 next = NULL;
292 } else {
293 prev->common.next =
294 op->common.next;
295 next = NULL;
296 }
297 }
298 prev = next;
299 }
300 }
301
302 cleanup:
303
304 /* Now we can actually delete the subtree rooted at Op */
305
306 acpi_ps_delete_parse_tree(op);
307 return_ACPI_STATUS(status);
308}
309
310/*******************************************************************************
311 *
312 * FUNCTION: acpi_ps_next_parse_state
313 *
314 * PARAMETERS: walk_state - Current state
315 * Op - Current parse op
316 * callback_status - Status from previous operation
317 *
318 * RETURN: Status
319 *
320 * DESCRIPTION: Update the parser state based upon the return exception from
321 * the parser callback.
322 *
323 ******************************************************************************/
324
325acpi_status
326acpi_ps_next_parse_state(struct acpi_walk_state *walk_state,
327 union acpi_parse_object *op,
328 acpi_status callback_status)
329{
330 struct acpi_parse_state *parser_state = &walk_state->parser_state;
331 acpi_status status = AE_CTRL_PENDING;
332
333 ACPI_FUNCTION_TRACE_PTR(ps_next_parse_state, op);
334
335 switch (callback_status) {
336 case AE_CTRL_TERMINATE:
337 /*
338 * A control method was terminated via a RETURN statement.
339 * The walk of this method is complete.
340 */
341 parser_state->aml = parser_state->aml_end;
342 status = AE_CTRL_TERMINATE;
343 break;
344
345 case AE_CTRL_BREAK:
346
347 parser_state->aml = walk_state->aml_last_while;
348 walk_state->control_state->common.value = FALSE;
349 status = AE_CTRL_BREAK;
350 break;
351
352 case AE_CTRL_CONTINUE:
353
354 parser_state->aml = walk_state->aml_last_while;
355 status = AE_CTRL_CONTINUE;
356 break;
357
358 case AE_CTRL_PENDING:
359
360 parser_state->aml = walk_state->aml_last_while;
361 break;
362
363#if 0
364 case AE_CTRL_SKIP:
365
366 parser_state->aml = parser_state->scope->parse_scope.pkg_end;
367 status = AE_OK;
368 break;
369#endif
370
371 case AE_CTRL_TRUE:
372 /*
373 * Predicate of an IF was true, and we are at the matching ELSE.
374 * Just close out this package
375 */
376 parser_state->aml = acpi_ps_get_next_package_end(parser_state);
377 status = AE_CTRL_PENDING;
378 break;
379
380 case AE_CTRL_FALSE:
381 /*
382 * Either an IF/WHILE Predicate was false or we encountered a BREAK
383 * opcode. In both cases, we do not execute the rest of the
384 * package; We simply close out the parent (finishing the walk of
385 * this branch of the tree) and continue execution at the parent
386 * level.
387 */
388 parser_state->aml = parser_state->scope->parse_scope.pkg_end;
389
390 /* In the case of a BREAK, just force a predicate (if any) to FALSE */
391
392 walk_state->control_state->common.value = FALSE;
393 status = AE_CTRL_END;
394 break;
395
396 case AE_CTRL_TRANSFER:
397
398 /* A method call (invocation) -- transfer control */
399
400 status = AE_CTRL_TRANSFER;
401 walk_state->prev_op = op;
402 walk_state->method_call_op = op;
403 walk_state->method_call_node =
404 (op->common.value.arg)->common.node;
405
406 /* Will return value (if any) be used by the caller? */
407
408 walk_state->return_used =
409 acpi_ds_is_result_used(op, walk_state);
410 break;
411
412 default:
413
414 status = callback_status;
415 if ((callback_status & AE_CODE_MASK) == AE_CODE_CONTROL) {
416 status = AE_OK;
417 }
418 break;
419 }
420
421 return_ACPI_STATUS(status);
422}
423
424/*******************************************************************************
425 *
426 * FUNCTION: acpi_ps_parse_aml
427 *
428 * PARAMETERS: walk_state - Current state
429 *
430 *
431 * RETURN: Status
432 *
433 * DESCRIPTION: Parse raw AML and return a tree of ops
434 *
435 ******************************************************************************/
436
437acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
438{
439 acpi_status status;
440 struct acpi_thread_state *thread;
441 struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list;
442 struct acpi_walk_state *previous_walk_state;
443
444 ACPI_FUNCTION_TRACE(ps_parse_aml);
445
446 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
447 "Entered with WalkState=%p Aml=%p size=%X\n",
448 walk_state, walk_state->parser_state.aml,
449 walk_state->parser_state.aml_size));
450
451 if (!walk_state->parser_state.aml) {
452 return_ACPI_STATUS(AE_NULL_OBJECT);
453 }
454
455 /* Create and initialize a new thread state */
456
457 thread = acpi_ut_create_thread_state();
458 if (!thread) {
459 if (walk_state->method_desc) {
460
461 /* Executing a control method - additional cleanup */
462
463 acpi_ds_terminate_control_method(
464 walk_state->method_desc, walk_state);
465 }
466
467 acpi_ds_delete_walk_state(walk_state);
468 return_ACPI_STATUS(AE_NO_MEMORY);
469 }
470
471 walk_state->thread = thread;
472
473 /*
474 * If executing a method, the starting sync_level is this method's
475 * sync_level
476 */
477 if (walk_state->method_desc) {
478 walk_state->thread->current_sync_level =
479 walk_state->method_desc->method.sync_level;
480 }
481
482 acpi_ds_push_walk_state(walk_state, thread);
483
484 /*
485 * This global allows the AML debugger to get a handle to the currently
486 * executing control method.
487 */
488 acpi_gbl_current_walk_list = thread;
489
490 /*
491 * Execute the walk loop as long as there is a valid Walk State. This
492 * handles nested control method invocations without recursion.
493 */
494 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "State=%p\n", walk_state));
495
496 status = AE_OK;
497 while (walk_state) {
498 if (ACPI_SUCCESS(status)) {
499 /*
500 * The parse_loop executes AML until the method terminates
501 * or calls another method.
502 */
503 status = acpi_ps_parse_loop(walk_state);
504 }
505
506 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
507 "Completed one call to walk loop, %s State=%p\n",
508 acpi_format_exception(status), walk_state));
509
510 if (status == AE_CTRL_TRANSFER) {
511 /*
512 * A method call was detected.
513 * Transfer control to the called control method
514 */
515 status =
516 acpi_ds_call_control_method(thread, walk_state,
517 NULL);
518 if (ACPI_FAILURE(status)) {
519 status =
520 acpi_ds_method_error(status, walk_state);
521 }
522
523 /*
524 * If the transfer to the new method method call worked, a new walk
525 * state was created -- get it
526 */
527 walk_state = acpi_ds_get_current_walk_state(thread);
528 continue;
529 } else if (status == AE_CTRL_TERMINATE) {
530 status = AE_OK;
531 } else if ((status != AE_OK) && (walk_state->method_desc)) {
532
533 /* Either the method parse or actual execution failed */
534
535 ACPI_ERROR_METHOD("Method parse/execution failed",
536 walk_state->method_node, NULL,
537 status);
538
539 /* Check for possible multi-thread reentrancy problem */
540
541 if ((status == AE_ALREADY_EXISTS) &&
542 (!walk_state->method_desc->method.mutex)) {
543 ACPI_INFO((AE_INFO,
544 "Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error",
545 walk_state->method_node->name.
546 ascii));
547
548 /*
549 * Method tried to create an object twice. The probable cause is
550 * that the method cannot handle reentrancy.
551 *
552 * The method is marked not_serialized, but it tried to create
553 * a named object, causing the second thread entrance to fail.
554 * Workaround this problem by marking the method permanently
555 * as Serialized.
556 */
557 walk_state->method_desc->method.method_flags |=
558 AML_METHOD_SERIALIZED;
559 walk_state->method_desc->method.sync_level = 0;
560 }
561 }
562
563 /* We are done with this walk, move on to the parent if any */
564
565 walk_state = acpi_ds_pop_walk_state(thread);
566
567 /* Reset the current scope to the beginning of scope stack */
568
569 acpi_ds_scope_stack_clear(walk_state);
570
571 /*
572 * If we just returned from the execution of a control method or if we
573 * encountered an error during the method parse phase, there's lots of
574 * cleanup to do
575 */
576 if (((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) ==
577 ACPI_PARSE_EXECUTE) || (ACPI_FAILURE(status))) {
578 acpi_ds_terminate_control_method(walk_state->
579 method_desc,
580 walk_state);
581 }
582
583 /* Delete this walk state and all linked control states */
584
585 acpi_ps_cleanup_scope(&walk_state->parser_state);
586 previous_walk_state = walk_state;
587
588 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
589 "ReturnValue=%p, ImplicitValue=%p State=%p\n",
590 walk_state->return_desc,
591 walk_state->implicit_return_obj, walk_state));
592
593 /* Check if we have restarted a preempted walk */
594
595 walk_state = acpi_ds_get_current_walk_state(thread);
596 if (walk_state) {
597 if (ACPI_SUCCESS(status)) {
598 /*
599 * There is another walk state, restart it.
600 * If the method return value is not used by the parent,
601 * The object is deleted
602 */
603 if (!previous_walk_state->return_desc) {
604 /*
605 * In slack mode execution, if there is no return value
606 * we should implicitly return zero (0) as a default value.
607 */
608 if (acpi_gbl_enable_interpreter_slack &&
609 !previous_walk_state->
610 implicit_return_obj) {
611 previous_walk_state->
612 implicit_return_obj =
613 acpi_ut_create_internal_object
614 (ACPI_TYPE_INTEGER);
615 if (!previous_walk_state->
616 implicit_return_obj) {
617 return_ACPI_STATUS
618 (AE_NO_MEMORY);
619 }
620
621 previous_walk_state->
622 implicit_return_obj->
623 integer.value = 0;
624 }
625
626 /* Restart the calling control method */
627
628 status =
629 acpi_ds_restart_control_method
630 (walk_state,
631 previous_walk_state->
632 implicit_return_obj);
633 } else {
634 /*
635 * We have a valid return value, delete any implicit
636 * return value.
637 */
638 acpi_ds_clear_implicit_return
639 (previous_walk_state);
640
641 status =
642 acpi_ds_restart_control_method
643 (walk_state,
644 previous_walk_state->return_desc);
645 }
646 if (ACPI_SUCCESS(status)) {
647 walk_state->walk_type |=
648 ACPI_WALK_METHOD_RESTART;
649 }
650 } else {
651 /* On error, delete any return object or implicit return */
652
653 acpi_ut_remove_reference(previous_walk_state->
654 return_desc);
655 acpi_ds_clear_implicit_return
656 (previous_walk_state);
657 }
658 }
659
660 /*
661 * Just completed a 1st-level method, save the final internal return
662 * value (if any)
663 */
664 else if (previous_walk_state->caller_return_desc) {
665 if (previous_walk_state->implicit_return_obj) {
666 *(previous_walk_state->caller_return_desc) =
667 previous_walk_state->implicit_return_obj;
668 } else {
669 /* NULL if no return value */
670
671 *(previous_walk_state->caller_return_desc) =
672 previous_walk_state->return_desc;
673 }
674 } else {
675 if (previous_walk_state->return_desc) {
676
677 /* Caller doesn't want it, must delete it */
678
679 acpi_ut_remove_reference(previous_walk_state->
680 return_desc);
681 }
682 if (previous_walk_state->implicit_return_obj) {
683
684 /* Caller doesn't want it, must delete it */
685
686 acpi_ut_remove_reference(previous_walk_state->
687 implicit_return_obj);
688 }
689 }
690
691 acpi_ds_delete_walk_state(previous_walk_state);
692 }
693
694 /* Normal exit */
695
696 acpi_ex_release_all_mutexes(thread);
697 acpi_ut_delete_generic_state(ACPI_CAST_PTR
698 (union acpi_generic_state, thread));
699 acpi_gbl_current_walk_list = prev_walk_list;
700 return_ACPI_STATUS(status);
701}
diff --git a/drivers/acpi/parser/psscope.c b/drivers/acpi/parser/psscope.c
deleted file mode 100644
index 22929ca1ffe4..000000000000
--- a/drivers/acpi/parser/psscope.c
+++ /dev/null
@@ -1,265 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psscope - Parser scope stack management routines
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47
48#define _COMPONENT ACPI_PARSER
49ACPI_MODULE_NAME("psscope")
50
51/*******************************************************************************
52 *
53 * FUNCTION: acpi_ps_get_parent_scope
54 *
55 * PARAMETERS: parser_state - Current parser state object
56 *
57 * RETURN: Pointer to an Op object
58 *
59 * DESCRIPTION: Get parent of current op being parsed
60 *
61 ******************************************************************************/
62union acpi_parse_object *acpi_ps_get_parent_scope(struct acpi_parse_state
63 *parser_state)
64{
65
66 return (parser_state->scope->parse_scope.op);
67}
68
69/*******************************************************************************
70 *
71 * FUNCTION: acpi_ps_has_completed_scope
72 *
73 * PARAMETERS: parser_state - Current parser state object
74 *
75 * RETURN: Boolean, TRUE = scope completed.
76 *
77 * DESCRIPTION: Is parsing of current argument complete? Determined by
78 * 1) AML pointer is at or beyond the end of the scope
79 * 2) The scope argument count has reached zero.
80 *
81 ******************************************************************************/
82
83u8 acpi_ps_has_completed_scope(struct acpi_parse_state * parser_state)
84{
85
86 return ((u8)
87 ((parser_state->aml >= parser_state->scope->parse_scope.arg_end
88 || !parser_state->scope->parse_scope.arg_count)));
89}
90
91/*******************************************************************************
92 *
93 * FUNCTION: acpi_ps_init_scope
94 *
95 * PARAMETERS: parser_state - Current parser state object
96 * Root - the Root Node of this new scope
97 *
98 * RETURN: Status
99 *
100 * DESCRIPTION: Allocate and init a new scope object
101 *
102 ******************************************************************************/
103
104acpi_status
105acpi_ps_init_scope(struct acpi_parse_state * parser_state,
106 union acpi_parse_object * root_op)
107{
108 union acpi_generic_state *scope;
109
110 ACPI_FUNCTION_TRACE_PTR(ps_init_scope, root_op);
111
112 scope = acpi_ut_create_generic_state();
113 if (!scope) {
114 return_ACPI_STATUS(AE_NO_MEMORY);
115 }
116
117 scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_RPSCOPE;
118 scope->parse_scope.op = root_op;
119 scope->parse_scope.arg_count = ACPI_VAR_ARGS;
120 scope->parse_scope.arg_end = parser_state->aml_end;
121 scope->parse_scope.pkg_end = parser_state->aml_end;
122
123 parser_state->scope = scope;
124 parser_state->start_op = root_op;
125
126 return_ACPI_STATUS(AE_OK);
127}
128
129/*******************************************************************************
130 *
131 * FUNCTION: acpi_ps_push_scope
132 *
133 * PARAMETERS: parser_state - Current parser state object
134 * Op - Current op to be pushed
135 * remaining_args - List of args remaining
136 * arg_count - Fixed or variable number of args
137 *
138 * RETURN: Status
139 *
140 * DESCRIPTION: Push current op to begin parsing its argument
141 *
142 ******************************************************************************/
143
144acpi_status
145acpi_ps_push_scope(struct acpi_parse_state *parser_state,
146 union acpi_parse_object *op,
147 u32 remaining_args, u32 arg_count)
148{
149 union acpi_generic_state *scope;
150
151 ACPI_FUNCTION_TRACE_PTR(ps_push_scope, op);
152
153 scope = acpi_ut_create_generic_state();
154 if (!scope) {
155 return_ACPI_STATUS(AE_NO_MEMORY);
156 }
157
158 scope->common.descriptor_type = ACPI_DESC_TYPE_STATE_PSCOPE;
159 scope->parse_scope.op = op;
160 scope->parse_scope.arg_list = remaining_args;
161 scope->parse_scope.arg_count = arg_count;
162 scope->parse_scope.pkg_end = parser_state->pkg_end;
163
164 /* Push onto scope stack */
165
166 acpi_ut_push_generic_state(&parser_state->scope, scope);
167
168 if (arg_count == ACPI_VAR_ARGS) {
169
170 /* Multiple arguments */
171
172 scope->parse_scope.arg_end = parser_state->pkg_end;
173 } else {
174 /* Single argument */
175
176 scope->parse_scope.arg_end = ACPI_TO_POINTER(ACPI_MAX_PTR);
177 }
178
179 return_ACPI_STATUS(AE_OK);
180}
181
182/*******************************************************************************
183 *
184 * FUNCTION: acpi_ps_pop_scope
185 *
186 * PARAMETERS: parser_state - Current parser state object
187 * Op - Where the popped op is returned
188 * arg_list - Where the popped "next argument" is
189 * returned
190 * arg_count - Count of objects in arg_list
191 *
192 * RETURN: Status
193 *
194 * DESCRIPTION: Return to parsing a previous op
195 *
196 ******************************************************************************/
197
198void
199acpi_ps_pop_scope(struct acpi_parse_state *parser_state,
200 union acpi_parse_object **op, u32 * arg_list, u32 * arg_count)
201{
202 union acpi_generic_state *scope = parser_state->scope;
203
204 ACPI_FUNCTION_TRACE(ps_pop_scope);
205
206 /* Only pop the scope if there is in fact a next scope */
207
208 if (scope->common.next) {
209 scope = acpi_ut_pop_generic_state(&parser_state->scope);
210
211 /* Return to parsing previous op */
212
213 *op = scope->parse_scope.op;
214 *arg_list = scope->parse_scope.arg_list;
215 *arg_count = scope->parse_scope.arg_count;
216 parser_state->pkg_end = scope->parse_scope.pkg_end;
217
218 /* All done with this scope state structure */
219
220 acpi_ut_delete_generic_state(scope);
221 } else {
222 /* Empty parse stack, prepare to fetch next opcode */
223
224 *op = NULL;
225 *arg_list = 0;
226 *arg_count = 0;
227 }
228
229 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
230 "Popped Op %p Args %X\n", *op, *arg_count));
231 return_VOID;
232}
233
234/*******************************************************************************
235 *
236 * FUNCTION: acpi_ps_cleanup_scope
237 *
238 * PARAMETERS: parser_state - Current parser state object
239 *
240 * RETURN: None
241 *
242 * DESCRIPTION: Destroy available list, remaining stack levels, and return
243 * root scope
244 *
245 ******************************************************************************/
246
247void acpi_ps_cleanup_scope(struct acpi_parse_state *parser_state)
248{
249 union acpi_generic_state *scope;
250
251 ACPI_FUNCTION_TRACE_PTR(ps_cleanup_scope, parser_state);
252
253 if (!parser_state) {
254 return_VOID;
255 }
256
257 /* Delete anything on the scope stack */
258
259 while (parser_state->scope) {
260 scope = acpi_ut_pop_generic_state(&parser_state->scope);
261 acpi_ut_delete_generic_state(scope);
262 }
263
264 return_VOID;
265}
diff --git a/drivers/acpi/parser/pstree.c b/drivers/acpi/parser/pstree.c
deleted file mode 100644
index 8e73fbf00971..000000000000
--- a/drivers/acpi/parser/pstree.c
+++ /dev/null
@@ -1,312 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: pstree - Parser op tree manipulation/traversal/search
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47#include <acpi/amlcode.h>
48
49#define _COMPONENT ACPI_PARSER
50ACPI_MODULE_NAME("pstree")
51
52/* Local prototypes */
53#ifdef ACPI_OBSOLETE_FUNCTIONS
54union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op);
55#endif
56
57/*******************************************************************************
58 *
59 * FUNCTION: acpi_ps_get_arg
60 *
61 * PARAMETERS: Op - Get an argument for this op
62 * Argn - Nth argument to get
63 *
64 * RETURN: The argument (as an Op object). NULL if argument does not exist
65 *
66 * DESCRIPTION: Get the specified op's argument.
67 *
68 ******************************************************************************/
69
70union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn)
71{
72 union acpi_parse_object *arg = NULL;
73 const struct acpi_opcode_info *op_info;
74
75 ACPI_FUNCTION_ENTRY();
76
77 /* Get the info structure for this opcode */
78
79 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
80 if (op_info->class == AML_CLASS_UNKNOWN) {
81
82 /* Invalid opcode or ASCII character */
83
84 return (NULL);
85 }
86
87 /* Check if this opcode requires argument sub-objects */
88
89 if (!(op_info->flags & AML_HAS_ARGS)) {
90
91 /* Has no linked argument objects */
92
93 return (NULL);
94 }
95
96 /* Get the requested argument object */
97
98 arg = op->common.value.arg;
99 while (arg && argn) {
100 argn--;
101 arg = arg->common.next;
102 }
103
104 return (arg);
105}
106
107/*******************************************************************************
108 *
109 * FUNCTION: acpi_ps_append_arg
110 *
111 * PARAMETERS: Op - Append an argument to this Op.
112 * Arg - Argument Op to append
113 *
114 * RETURN: None.
115 *
116 * DESCRIPTION: Append an argument to an op's argument list (a NULL arg is OK)
117 *
118 ******************************************************************************/
119
120void
121acpi_ps_append_arg(union acpi_parse_object *op, union acpi_parse_object *arg)
122{
123 union acpi_parse_object *prev_arg;
124 const struct acpi_opcode_info *op_info;
125
126 ACPI_FUNCTION_ENTRY();
127
128 if (!op) {
129 return;
130 }
131
132 /* Get the info structure for this opcode */
133
134 op_info = acpi_ps_get_opcode_info(op->common.aml_opcode);
135 if (op_info->class == AML_CLASS_UNKNOWN) {
136
137 /* Invalid opcode */
138
139 ACPI_ERROR((AE_INFO, "Invalid AML Opcode: 0x%2.2X",
140 op->common.aml_opcode));
141 return;
142 }
143
144 /* Check if this opcode requires argument sub-objects */
145
146 if (!(op_info->flags & AML_HAS_ARGS)) {
147
148 /* Has no linked argument objects */
149
150 return;
151 }
152
153 /* Append the argument to the linked argument list */
154
155 if (op->common.value.arg) {
156
157 /* Append to existing argument list */
158
159 prev_arg = op->common.value.arg;
160 while (prev_arg->common.next) {
161 prev_arg = prev_arg->common.next;
162 }
163 prev_arg->common.next = arg;
164 } else {
165 /* No argument list, this will be the first argument */
166
167 op->common.value.arg = arg;
168 }
169
170 /* Set the parent in this arg and any args linked after it */
171
172 while (arg) {
173 arg->common.parent = op;
174 arg = arg->common.next;
175
176 op->common.arg_list_length++;
177 }
178}
179
180#ifdef ACPI_FUTURE_USAGE
181/*******************************************************************************
182 *
183 * FUNCTION: acpi_ps_get_depth_next
184 *
185 * PARAMETERS: Origin - Root of subtree to search
186 * Op - Last (previous) Op that was found
187 *
188 * RETURN: Next Op found in the search.
189 *
190 * DESCRIPTION: Get next op in tree (walking the tree in depth-first order)
191 * Return NULL when reaching "origin" or when walking up from root
192 *
193 ******************************************************************************/
194
195union acpi_parse_object *acpi_ps_get_depth_next(union acpi_parse_object *origin,
196 union acpi_parse_object *op)
197{
198 union acpi_parse_object *next = NULL;
199 union acpi_parse_object *parent;
200 union acpi_parse_object *arg;
201
202 ACPI_FUNCTION_ENTRY();
203
204 if (!op) {
205 return (NULL);
206 }
207
208 /* Look for an argument or child */
209
210 next = acpi_ps_get_arg(op, 0);
211 if (next) {
212 return (next);
213 }
214
215 /* Look for a sibling */
216
217 next = op->common.next;
218 if (next) {
219 return (next);
220 }
221
222 /* Look for a sibling of parent */
223
224 parent = op->common.parent;
225
226 while (parent) {
227 arg = acpi_ps_get_arg(parent, 0);
228 while (arg && (arg != origin) && (arg != op)) {
229 arg = arg->common.next;
230 }
231
232 if (arg == origin) {
233
234 /* Reached parent of origin, end search */
235
236 return (NULL);
237 }
238
239 if (parent->common.next) {
240
241 /* Found sibling of parent */
242
243 return (parent->common.next);
244 }
245
246 op = parent;
247 parent = parent->common.parent;
248 }
249
250 return (next);
251}
252
253#ifdef ACPI_OBSOLETE_FUNCTIONS
254/*******************************************************************************
255 *
256 * FUNCTION: acpi_ps_get_child
257 *
258 * PARAMETERS: Op - Get the child of this Op
259 *
260 * RETURN: Child Op, Null if none is found.
261 *
262 * DESCRIPTION: Get op's children or NULL if none
263 *
264 ******************************************************************************/
265
266union acpi_parse_object *acpi_ps_get_child(union acpi_parse_object *op)
267{
268 union acpi_parse_object *child = NULL;
269
270 ACPI_FUNCTION_ENTRY();
271
272 switch (op->common.aml_opcode) {
273 case AML_SCOPE_OP:
274 case AML_ELSE_OP:
275 case AML_DEVICE_OP:
276 case AML_THERMAL_ZONE_OP:
277 case AML_INT_METHODCALL_OP:
278
279 child = acpi_ps_get_arg(op, 0);
280 break;
281
282 case AML_BUFFER_OP:
283 case AML_PACKAGE_OP:
284 case AML_METHOD_OP:
285 case AML_IF_OP:
286 case AML_WHILE_OP:
287 case AML_FIELD_OP:
288
289 child = acpi_ps_get_arg(op, 1);
290 break;
291
292 case AML_POWER_RES_OP:
293 case AML_INDEX_FIELD_OP:
294
295 child = acpi_ps_get_arg(op, 2);
296 break;
297
298 case AML_PROCESSOR_OP:
299 case AML_BANK_FIELD_OP:
300
301 child = acpi_ps_get_arg(op, 3);
302 break;
303
304 default:
305 /* All others have no children */
306 break;
307 }
308
309 return (child);
310}
311#endif
312#endif /* ACPI_FUTURE_USAGE */
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
deleted file mode 100644
index eec7d624db8e..000000000000
--- a/drivers/acpi/parser/psutils.c
+++ /dev/null
@@ -1,244 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psutils - Parser miscellaneous utilities (Parser only)
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47#include <acpi/amlcode.h>
48
49#define _COMPONENT ACPI_PARSER
50ACPI_MODULE_NAME("psutils")
51
52/*******************************************************************************
53 *
54 * FUNCTION: acpi_ps_create_scope_op
55 *
56 * PARAMETERS: None
57 *
58 * RETURN: A new Scope object, null on failure
59 *
60 * DESCRIPTION: Create a Scope and associated namepath op with the root name
61 *
62 ******************************************************************************/
63union acpi_parse_object *acpi_ps_create_scope_op(void)
64{
65 union acpi_parse_object *scope_op;
66
67 scope_op = acpi_ps_alloc_op(AML_SCOPE_OP);
68 if (!scope_op) {
69 return (NULL);
70 }
71
72 scope_op->named.name = ACPI_ROOT_NAME;
73 return (scope_op);
74}
75
76/*******************************************************************************
77 *
78 * FUNCTION: acpi_ps_init_op
79 *
80 * PARAMETERS: Op - A newly allocated Op object
81 * Opcode - Opcode to store in the Op
82 *
83 * RETURN: None
84 *
85 * DESCRIPTION: Initialize a parse (Op) object
86 *
87 ******************************************************************************/
88
89void acpi_ps_init_op(union acpi_parse_object *op, u16 opcode)
90{
91 ACPI_FUNCTION_ENTRY();
92
93 op->common.descriptor_type = ACPI_DESC_TYPE_PARSER;
94 op->common.aml_opcode = opcode;
95
96 ACPI_DISASM_ONLY_MEMBERS(ACPI_STRNCPY(op->common.aml_op_name,
97 (acpi_ps_get_opcode_info
98 (opcode))->name,
99 sizeof(op->common.aml_op_name)));
100}
101
102/*******************************************************************************
103 *
104 * FUNCTION: acpi_ps_alloc_op
105 *
106 * PARAMETERS: Opcode - Opcode that will be stored in the new Op
107 *
108 * RETURN: Pointer to the new Op, null on failure
109 *
110 * DESCRIPTION: Allocate an acpi_op, choose op type (and thus size) based on
111 * opcode. A cache of opcodes is available for the pure
112 * GENERIC_OP, since this is by far the most commonly used.
113 *
114 ******************************************************************************/
115
116union acpi_parse_object *acpi_ps_alloc_op(u16 opcode)
117{
118 union acpi_parse_object *op;
119 const struct acpi_opcode_info *op_info;
120 u8 flags = ACPI_PARSEOP_GENERIC;
121
122 ACPI_FUNCTION_ENTRY();
123
124 op_info = acpi_ps_get_opcode_info(opcode);
125
126 /* Determine type of parse_op required */
127
128 if (op_info->flags & AML_DEFER) {
129 flags = ACPI_PARSEOP_DEFERRED;
130 } else if (op_info->flags & AML_NAMED) {
131 flags = ACPI_PARSEOP_NAMED;
132 } else if (opcode == AML_INT_BYTELIST_OP) {
133 flags = ACPI_PARSEOP_BYTELIST;
134 }
135
136 /* Allocate the minimum required size object */
137
138 if (flags == ACPI_PARSEOP_GENERIC) {
139
140 /* The generic op (default) is by far the most common (16 to 1) */
141
142 op = acpi_os_acquire_object(acpi_gbl_ps_node_cache);
143 } else {
144 /* Extended parseop */
145
146 op = acpi_os_acquire_object(acpi_gbl_ps_node_ext_cache);
147 }
148
149 /* Initialize the Op */
150
151 if (op) {
152 acpi_ps_init_op(op, opcode);
153 op->common.flags = flags;
154 }
155
156 return (op);
157}
158
159/*******************************************************************************
160 *
161 * FUNCTION: acpi_ps_free_op
162 *
163 * PARAMETERS: Op - Op to be freed
164 *
165 * RETURN: None.
166 *
167 * DESCRIPTION: Free an Op object. Either put it on the GENERIC_OP cache list
168 * or actually free it.
169 *
170 ******************************************************************************/
171
172void acpi_ps_free_op(union acpi_parse_object *op)
173{
174 ACPI_FUNCTION_NAME(ps_free_op);
175
176 if (op->common.aml_opcode == AML_INT_RETURN_VALUE_OP) {
177 ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Free retval op: %p\n",
178 op));
179 }
180
181 if (op->common.flags & ACPI_PARSEOP_GENERIC) {
182 (void)acpi_os_release_object(acpi_gbl_ps_node_cache, op);
183 } else {
184 (void)acpi_os_release_object(acpi_gbl_ps_node_ext_cache, op);
185 }
186}
187
188/*******************************************************************************
189 *
190 * FUNCTION: Utility functions
191 *
192 * DESCRIPTION: Low level character and object functions
193 *
194 ******************************************************************************/
195
196/*
197 * Is "c" a namestring lead character?
198 */
199u8 acpi_ps_is_leading_char(u32 c)
200{
201 return ((u8) (c == '_' || (c >= 'A' && c <= 'Z')));
202}
203
204/*
205 * Is "c" a namestring prefix character?
206 */
207u8 acpi_ps_is_prefix_char(u32 c)
208{
209 return ((u8) (c == '\\' || c == '^'));
210}
211
212/*
213 * Get op's name (4-byte name segment) or 0 if unnamed
214 */
215#ifdef ACPI_FUTURE_USAGE
216u32 acpi_ps_get_name(union acpi_parse_object * op)
217{
218
219 /* The "generic" object has no name associated with it */
220
221 if (op->common.flags & ACPI_PARSEOP_GENERIC) {
222 return (0);
223 }
224
225 /* Only the "Extended" parse objects have a name */
226
227 return (op->named.name);
228}
229#endif /* ACPI_FUTURE_USAGE */
230
231/*
232 * Set op's name
233 */
234void acpi_ps_set_name(union acpi_parse_object *op, u32 name)
235{
236
237 /* The "generic" object has no name associated with it */
238
239 if (op->common.flags & ACPI_PARSEOP_GENERIC) {
240 return;
241 }
242
243 op->named.name = name;
244}
diff --git a/drivers/acpi/parser/pswalk.c b/drivers/acpi/parser/pswalk.c
deleted file mode 100644
index dacc4228ba1a..000000000000
--- a/drivers/acpi/parser/pswalk.c
+++ /dev/null
@@ -1,110 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: pswalk - Parser routines to walk parsed op tree(s)
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47
48#define _COMPONENT ACPI_PARSER
49ACPI_MODULE_NAME("pswalk")
50
51/*******************************************************************************
52 *
53 * FUNCTION: acpi_ps_delete_parse_tree
54 *
55 * PARAMETERS: subtree_root - Root of tree (or subtree) to delete
56 *
57 * RETURN: None
58 *
59 * DESCRIPTION: Delete a portion of or an entire parse tree.
60 *
61 ******************************************************************************/
62void acpi_ps_delete_parse_tree(union acpi_parse_object *subtree_root)
63{
64 union acpi_parse_object *op = subtree_root;
65 union acpi_parse_object *next = NULL;
66 union acpi_parse_object *parent = NULL;
67
68 ACPI_FUNCTION_TRACE_PTR(ps_delete_parse_tree, subtree_root);
69
70 /* Visit all nodes in the subtree */
71
72 while (op) {
73
74 /* Check if we are not ascending */
75
76 if (op != parent) {
77
78 /* Look for an argument or child of the current op */
79
80 next = acpi_ps_get_arg(op, 0);
81 if (next) {
82
83 /* Still going downward in tree (Op is not completed yet) */
84
85 op = next;
86 continue;
87 }
88 }
89
90 /* No more children, this Op is complete. */
91
92 next = op->common.next;
93 parent = op->common.parent;
94
95 acpi_ps_free_op(op);
96
97 /* If we are back to the starting point, the walk is complete. */
98
99 if (op == subtree_root) {
100 return_VOID;
101 }
102 if (next) {
103 op = next;
104 } else {
105 op = parent;
106 }
107 }
108
109 return_VOID;
110}
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
deleted file mode 100644
index 98c31a893706..000000000000
--- a/drivers/acpi/parser/psxface.c
+++ /dev/null
@@ -1,385 +0,0 @@
1/******************************************************************************
2 *
3 * Module Name: psxface - Parser external interfaces
4 *
5 *****************************************************************************/
6
7/*
8 * Copyright (C) 2000 - 2008, Intel Corp.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
28 * Software Foundation.
29 *
30 * NO WARRANTY
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 * POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#include <acpi/acpi.h>
45#include <acpi/accommon.h>
46#include <acpi/acparser.h>
47#include <acpi/acdispat.h>
48#include <acpi/acinterp.h>
49#include <acpi/amlcode.h>
50
51#define _COMPONENT ACPI_PARSER
52ACPI_MODULE_NAME("psxface")
53
54/* Local Prototypes */
55static void acpi_ps_start_trace(struct acpi_evaluate_info *info);
56
57static void acpi_ps_stop_trace(struct acpi_evaluate_info *info);
58
59static void
60acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action);
61
62/*******************************************************************************
63 *
64 * FUNCTION: acpi_debug_trace
65 *
66 * PARAMETERS: method_name - Valid ACPI name string
67 * debug_level - Optional level mask. 0 to use default
68 * debug_layer - Optional layer mask. 0 to use default
69 * Flags - bit 1: one shot(1) or persistent(0)
70 *
71 * RETURN: Status
72 *
73 * DESCRIPTION: External interface to enable debug tracing during control
74 * method execution
75 *
76 ******************************************************************************/
77
78acpi_status
79acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags)
80{
81 acpi_status status;
82
83 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
84 if (ACPI_FAILURE(status)) {
85 return (status);
86 }
87
88 /* TBDs: Validate name, allow full path or just nameseg */
89
90 acpi_gbl_trace_method_name = *ACPI_CAST_PTR(u32, name);
91 acpi_gbl_trace_flags = flags;
92
93 if (debug_level) {
94 acpi_gbl_trace_dbg_level = debug_level;
95 }
96 if (debug_layer) {
97 acpi_gbl_trace_dbg_layer = debug_layer;
98 }
99
100 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
101 return (AE_OK);
102}
103
104/*******************************************************************************
105 *
106 * FUNCTION: acpi_ps_start_trace
107 *
108 * PARAMETERS: Info - Method info struct
109 *
110 * RETURN: None
111 *
112 * DESCRIPTION: Start control method execution trace
113 *
114 ******************************************************************************/
115
116static void acpi_ps_start_trace(struct acpi_evaluate_info *info)
117{
118 acpi_status status;
119
120 ACPI_FUNCTION_ENTRY();
121
122 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
123 if (ACPI_FAILURE(status)) {
124 return;
125 }
126
127 if ((!acpi_gbl_trace_method_name) ||
128 (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
129 goto exit;
130 }
131
132 acpi_gbl_original_dbg_level = acpi_dbg_level;
133 acpi_gbl_original_dbg_layer = acpi_dbg_layer;
134
135 acpi_dbg_level = 0x00FFFFFF;
136 acpi_dbg_layer = ACPI_UINT32_MAX;
137
138 if (acpi_gbl_trace_dbg_level) {
139 acpi_dbg_level = acpi_gbl_trace_dbg_level;
140 }
141 if (acpi_gbl_trace_dbg_layer) {
142 acpi_dbg_layer = acpi_gbl_trace_dbg_layer;
143 }
144
145 exit:
146 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
147}
148
149/*******************************************************************************
150 *
151 * FUNCTION: acpi_ps_stop_trace
152 *
153 * PARAMETERS: Info - Method info struct
154 *
155 * RETURN: None
156 *
157 * DESCRIPTION: Stop control method execution trace
158 *
159 ******************************************************************************/
160
161static void acpi_ps_stop_trace(struct acpi_evaluate_info *info)
162{
163 acpi_status status;
164
165 ACPI_FUNCTION_ENTRY();
166
167 status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
168 if (ACPI_FAILURE(status)) {
169 return;
170 }
171
172 if ((!acpi_gbl_trace_method_name) ||
173 (acpi_gbl_trace_method_name != info->resolved_node->name.integer)) {
174 goto exit;
175 }
176
177 /* Disable further tracing if type is one-shot */
178
179 if (acpi_gbl_trace_flags & 1) {
180 acpi_gbl_trace_method_name = 0;
181 acpi_gbl_trace_dbg_level = 0;
182 acpi_gbl_trace_dbg_layer = 0;
183 }
184
185 acpi_dbg_level = acpi_gbl_original_dbg_level;
186 acpi_dbg_layer = acpi_gbl_original_dbg_layer;
187
188 exit:
189 (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
190}
191
192/*******************************************************************************
193 *
194 * FUNCTION: acpi_ps_execute_method
195 *
196 * PARAMETERS: Info - Method info block, contains:
197 * Node - Method Node to execute
198 * obj_desc - Method object
199 * Parameters - List of parameters to pass to the method,
200 * terminated by NULL. Params itself may be
201 * NULL if no parameters are being passed.
202 * return_object - Where to put method's return value (if
203 * any). If NULL, no value is returned.
204 * parameter_type - Type of Parameter list
205 * return_object - Where to put method's return value (if
206 * any). If NULL, no value is returned.
207 * pass_number - Parse or execute pass
208 *
209 * RETURN: Status
210 *
211 * DESCRIPTION: Execute a control method
212 *
213 ******************************************************************************/
214
215acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info)
216{
217 acpi_status status;
218 union acpi_parse_object *op;
219 struct acpi_walk_state *walk_state;
220
221 ACPI_FUNCTION_TRACE(ps_execute_method);
222
223 /* Validate the Info and method Node */
224
225 if (!info || !info->resolved_node) {
226 return_ACPI_STATUS(AE_NULL_ENTRY);
227 }
228
229 /* Init for new method, wait on concurrency semaphore */
230
231 status =
232 acpi_ds_begin_method_execution(info->resolved_node, info->obj_desc,
233 NULL);
234 if (ACPI_FAILURE(status)) {
235 return_ACPI_STATUS(status);
236 }
237
238 /*
239 * The caller "owns" the parameters, so give each one an extra reference
240 */
241 acpi_ps_update_parameter_list(info, REF_INCREMENT);
242
243 /* Begin tracing if requested */
244
245 acpi_ps_start_trace(info);
246
247 /*
248 * Execute the method. Performs parse simultaneously
249 */
250 ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
251 "**** Begin Method Parse/Execute [%4.4s] **** Node=%p Obj=%p\n",
252 info->resolved_node->name.ascii, info->resolved_node,
253 info->obj_desc));
254
255 /* Create and init a Root Node */
256
257 op = acpi_ps_create_scope_op();
258 if (!op) {
259 status = AE_NO_MEMORY;
260 goto cleanup;
261 }
262
263 /* Create and initialize a new walk state */
264
265 info->pass_number = ACPI_IMODE_EXECUTE;
266 walk_state =
267 acpi_ds_create_walk_state(info->obj_desc->method.owner_id, NULL,
268 NULL, NULL);
269 if (!walk_state) {
270 status = AE_NO_MEMORY;
271 goto cleanup;
272 }
273
274 status = acpi_ds_init_aml_walk(walk_state, op, info->resolved_node,
275 info->obj_desc->method.aml_start,
276 info->obj_desc->method.aml_length, info,
277 info->pass_number);
278 if (ACPI_FAILURE(status)) {
279 acpi_ds_delete_walk_state(walk_state);
280 goto cleanup;
281 }
282
283 /* Invoke an internal method if necessary */
284
285 if (info->obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
286 status = info->obj_desc->method.implementation(walk_state);
287 info->return_object = walk_state->return_desc;
288
289 /* Cleanup states */
290
291 acpi_ds_scope_stack_clear(walk_state);
292 acpi_ps_cleanup_scope(&walk_state->parser_state);
293 acpi_ds_terminate_control_method(walk_state->method_desc,
294 walk_state);
295 acpi_ds_delete_walk_state(walk_state);
296 goto cleanup;
297 }
298
299 /*
300 * Start method evaluation with an implicit return of zero.
301 * This is done for Windows compatibility.
302 */
303 if (acpi_gbl_enable_interpreter_slack) {
304 walk_state->implicit_return_obj =
305 acpi_ut_create_internal_object(ACPI_TYPE_INTEGER);
306 if (!walk_state->implicit_return_obj) {
307 status = AE_NO_MEMORY;
308 acpi_ds_delete_walk_state(walk_state);
309 goto cleanup;
310 }
311
312 walk_state->implicit_return_obj->integer.value = 0;
313 }
314
315 /* Parse the AML */
316
317 status = acpi_ps_parse_aml(walk_state);
318
319 /* walk_state was deleted by parse_aml */
320
321 cleanup:
322 acpi_ps_delete_parse_tree(op);
323
324 /* End optional tracing */
325
326 acpi_ps_stop_trace(info);
327
328 /* Take away the extra reference that we gave the parameters above */
329
330 acpi_ps_update_parameter_list(info, REF_DECREMENT);
331
332 /* Exit now if error above */
333
334 if (ACPI_FAILURE(status)) {
335 return_ACPI_STATUS(status);
336 }
337
338 /*
339 * If the method has returned an object, signal this to the caller with
340 * a control exception code
341 */
342 if (info->return_object) {
343 ACPI_DEBUG_PRINT((ACPI_DB_PARSE, "Method returned ObjDesc=%p\n",
344 info->return_object));
345 ACPI_DUMP_STACK_ENTRY(info->return_object);
346
347 status = AE_CTRL_RETURN_VALUE;
348 }
349
350 return_ACPI_STATUS(status);
351}
352
353/*******************************************************************************
354 *
355 * FUNCTION: acpi_ps_update_parameter_list
356 *
357 * PARAMETERS: Info - See struct acpi_evaluate_info
358 * (Used: parameter_type and Parameters)
359 * Action - Add or Remove reference
360 *
361 * RETURN: Status
362 *
363 * DESCRIPTION: Update reference count on all method parameter objects
364 *
365 ******************************************************************************/
366
367static void
368acpi_ps_update_parameter_list(struct acpi_evaluate_info *info, u16 action)
369{
370 u32 i;
371
372 if (info->parameters) {
373
374 /* Update reference count for each parameter */
375
376 for (i = 0; info->parameters[i]; i++) {
377
378 /* Ignore errors, just do them all */
379
380 (void)acpi_ut_update_object_reference(info->
381 parameters[i],
382 action);
383 }
384 }
385}
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 16:11:31 -0500