diff options
author | Bob Moore <robert.moore@intel.com> | 2011-02-14 03:09:40 -0500 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2011-03-02 19:38:05 -0500 |
commit | 9ad19ac456a5f097f7cbbfef820b95297d6a934f (patch) | |
tree | 6404bfae32d506a66fa6611f4fa131773a309095 /drivers/acpi/acpica/dsargs.c | |
parent | d59a3c6b35995615fa9e4f21d63fdf21328c5b6b (diff) |
ACPICA: Split large dsopcode and dsload.c files.
Split dsopcode.c into dsargs.c and dscontrol.c.
Split dsload.c into dsload2.c.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/dsargs.c')
-rw-r--r-- | drivers/acpi/acpica/dsargs.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c new file mode 100644 index 000000000000..8c7b99728aa2 --- /dev/null +++ b/drivers/acpi/acpica/dsargs.c | |||
@@ -0,0 +1,391 @@ | |||
1 | /****************************************************************************** | ||
2 | * | ||
3 | * Module Name: dsargs - Support for execution of dynamic arguments for static | ||
4 | * objects (regions, fields, buffer fields, etc.) | ||
5 | * | ||
6 | *****************************************************************************/ | ||
7 | |||
8 | /* | ||
9 | * Copyright (C) 2000 - 2011, Intel Corp. | ||
10 | * All rights reserved. | ||
11 | * | ||
12 | * Redistribution and use in source and binary forms, with or without | ||
13 | * modification, are permitted provided that the following conditions | ||
14 | * are met: | ||
15 | * 1. Redistributions of source code must retain the above copyright | ||
16 | * notice, this list of conditions, and the following disclaimer, | ||
17 | * without modification. | ||
18 | * 2. Redistributions in binary form must reproduce at minimum a disclaimer | ||
19 | * substantially similar to the "NO WARRANTY" disclaimer below | ||
20 | * ("Disclaimer") and any redistribution must be conditioned upon | ||
21 | * including a substantially similar Disclaimer requirement for further | ||
22 | * binary redistribution. | ||
23 | * 3. Neither the names of the above-listed copyright holders nor the names | ||
24 | * of any contributors may be used to endorse or promote products derived | ||
25 | * from this software without specific prior written permission. | ||
26 | * | ||
27 | * Alternatively, this software may be distributed under the terms of the | ||
28 | * GNU General Public License ("GPL") version 2 as published by the Free | ||
29 | * Software Foundation. | ||
30 | * | ||
31 | * NO WARRANTY | ||
32 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
33 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
34 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR | ||
35 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
36 | * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
37 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
38 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
39 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
40 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | ||
41 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
42 | * POSSIBILITY OF SUCH DAMAGES. | ||
43 | */ | ||
44 | |||
45 | #include <acpi/acpi.h> | ||
46 | #include "accommon.h" | ||
47 | #include "acparser.h" | ||
48 | #include "amlcode.h" | ||
49 | #include "acdispat.h" | ||
50 | #include "acnamesp.h" | ||
51 | |||
52 | #define _COMPONENT ACPI_DISPATCHER | ||
53 | ACPI_MODULE_NAME("dsargs") | ||
54 | |||
55 | /* Local prototypes */ | ||
56 | static acpi_status | ||
57 | acpi_ds_execute_arguments(struct acpi_namespace_node *node, | ||
58 | struct acpi_namespace_node *scope_node, | ||
59 | u32 aml_length, u8 *aml_start); | ||
60 | |||
61 | /******************************************************************************* | ||
62 | * | ||
63 | * FUNCTION: acpi_ds_execute_arguments | ||
64 | * | ||
65 | * PARAMETERS: Node - Object NS node | ||
66 | * scope_node - Parent NS node | ||
67 | * aml_length - Length of executable AML | ||
68 | * aml_start - Pointer to the AML | ||
69 | * | ||
70 | * RETURN: Status. | ||
71 | * | ||
72 | * DESCRIPTION: Late (deferred) execution of region or field arguments | ||
73 | * | ||
74 | ******************************************************************************/ | ||
75 | |||
76 | static acpi_status | ||
77 | acpi_ds_execute_arguments(struct acpi_namespace_node *node, | ||
78 | struct acpi_namespace_node *scope_node, | ||
79 | u32 aml_length, u8 *aml_start) | ||
80 | { | ||
81 | acpi_status status; | ||
82 | union acpi_parse_object *op; | ||
83 | struct acpi_walk_state *walk_state; | ||
84 | |||
85 | ACPI_FUNCTION_TRACE(ds_execute_arguments); | ||
86 | |||
87 | /* Allocate a new parser op to be the root of the parsed tree */ | ||
88 | |||
89 | op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP); | ||
90 | if (!op) { | ||
91 | return_ACPI_STATUS(AE_NO_MEMORY); | ||
92 | } | ||
93 | |||
94 | /* Save the Node for use in acpi_ps_parse_aml */ | ||
95 | |||
96 | op->common.node = scope_node; | ||
97 | |||
98 | /* Create and initialize a new parser state */ | ||
99 | |||
100 | walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL); | ||
101 | if (!walk_state) { | ||
102 | status = AE_NO_MEMORY; | ||
103 | goto cleanup; | ||
104 | } | ||
105 | |||
106 | status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start, | ||
107 | aml_length, NULL, ACPI_IMODE_LOAD_PASS1); | ||
108 | if (ACPI_FAILURE(status)) { | ||
109 | acpi_ds_delete_walk_state(walk_state); | ||
110 | goto cleanup; | ||
111 | } | ||
112 | |||
113 | /* Mark this parse as a deferred opcode */ | ||
114 | |||
115 | walk_state->parse_flags = ACPI_PARSE_DEFERRED_OP; | ||
116 | walk_state->deferred_node = node; | ||
117 | |||
118 | /* Pass1: Parse the entire declaration */ | ||
119 | |||
120 | status = acpi_ps_parse_aml(walk_state); | ||
121 | if (ACPI_FAILURE(status)) { | ||
122 | goto cleanup; | ||
123 | } | ||
124 | |||
125 | /* Get and init the Op created above */ | ||
126 | |||
127 | op->common.node = node; | ||
128 | acpi_ps_delete_parse_tree(op); | ||
129 | |||
130 | /* Evaluate the deferred arguments */ | ||
131 | |||
132 | op = acpi_ps_alloc_op(AML_INT_EVAL_SUBTREE_OP); | ||
133 | if (!op) { | ||
134 | return_ACPI_STATUS(AE_NO_MEMORY); | ||
135 | } | ||
136 | |||
137 | op->common.node = scope_node; | ||
138 | |||
139 | /* Create and initialize a new parser state */ | ||
140 | |||
141 | walk_state = acpi_ds_create_walk_state(0, NULL, NULL, NULL); | ||
142 | if (!walk_state) { | ||
143 | status = AE_NO_MEMORY; | ||
144 | goto cleanup; | ||
145 | } | ||
146 | |||
147 | /* Execute the opcode and arguments */ | ||
148 | |||
149 | status = acpi_ds_init_aml_walk(walk_state, op, NULL, aml_start, | ||
150 | aml_length, NULL, ACPI_IMODE_EXECUTE); | ||
151 | if (ACPI_FAILURE(status)) { | ||
152 | acpi_ds_delete_walk_state(walk_state); | ||
153 | goto cleanup; | ||
154 | } | ||
155 | |||
156 | /* Mark this execution as a deferred opcode */ | ||
157 | |||
158 | walk_state->deferred_node = node; | ||
159 | status = acpi_ps_parse_aml(walk_state); | ||
160 | |||
161 | cleanup: | ||
162 | acpi_ps_delete_parse_tree(op); | ||
163 | return_ACPI_STATUS(status); | ||
164 | } | ||
165 | |||
166 | /******************************************************************************* | ||
167 | * | ||
168 | * FUNCTION: acpi_ds_get_buffer_field_arguments | ||
169 | * | ||
170 | * PARAMETERS: obj_desc - A valid buffer_field object | ||
171 | * | ||
172 | * RETURN: Status. | ||
173 | * | ||
174 | * DESCRIPTION: Get buffer_field Buffer and Index. This implements the late | ||
175 | * evaluation of these field attributes. | ||
176 | * | ||
177 | ******************************************************************************/ | ||
178 | |||
179 | acpi_status | ||
180 | acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc) | ||
181 | { | ||
182 | union acpi_operand_object *extra_desc; | ||
183 | struct acpi_namespace_node *node; | ||
184 | acpi_status status; | ||
185 | |||
186 | ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_field_arguments, obj_desc); | ||
187 | |||
188 | if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { | ||
189 | return_ACPI_STATUS(AE_OK); | ||
190 | } | ||
191 | |||
192 | /* Get the AML pointer (method object) and buffer_field node */ | ||
193 | |||
194 | extra_desc = acpi_ns_get_secondary_object(obj_desc); | ||
195 | node = obj_desc->buffer_field.node; | ||
196 | |||
197 | ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_BUFFER_FIELD, | ||
198 | node, NULL)); | ||
199 | |||
200 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BufferField Arg Init\n", | ||
201 | acpi_ut_get_node_name(node))); | ||
202 | |||
203 | /* Execute the AML code for the term_arg arguments */ | ||
204 | |||
205 | status = acpi_ds_execute_arguments(node, node->parent, | ||
206 | extra_desc->extra.aml_length, | ||
207 | extra_desc->extra.aml_start); | ||
208 | return_ACPI_STATUS(status); | ||
209 | } | ||
210 | |||
211 | /******************************************************************************* | ||
212 | * | ||
213 | * FUNCTION: acpi_ds_get_bank_field_arguments | ||
214 | * | ||
215 | * PARAMETERS: obj_desc - A valid bank_field object | ||
216 | * | ||
217 | * RETURN: Status. | ||
218 | * | ||
219 | * DESCRIPTION: Get bank_field bank_value. This implements the late | ||
220 | * evaluation of these field attributes. | ||
221 | * | ||
222 | ******************************************************************************/ | ||
223 | |||
224 | acpi_status | ||
225 | acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc) | ||
226 | { | ||
227 | union acpi_operand_object *extra_desc; | ||
228 | struct acpi_namespace_node *node; | ||
229 | acpi_status status; | ||
230 | |||
231 | ACPI_FUNCTION_TRACE_PTR(ds_get_bank_field_arguments, obj_desc); | ||
232 | |||
233 | if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { | ||
234 | return_ACPI_STATUS(AE_OK); | ||
235 | } | ||
236 | |||
237 | /* Get the AML pointer (method object) and bank_field node */ | ||
238 | |||
239 | extra_desc = acpi_ns_get_secondary_object(obj_desc); | ||
240 | node = obj_desc->bank_field.node; | ||
241 | |||
242 | ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname | ||
243 | (ACPI_TYPE_LOCAL_BANK_FIELD, node, NULL)); | ||
244 | |||
245 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] BankField Arg Init\n", | ||
246 | acpi_ut_get_node_name(node))); | ||
247 | |||
248 | /* Execute the AML code for the term_arg arguments */ | ||
249 | |||
250 | status = acpi_ds_execute_arguments(node, node->parent, | ||
251 | extra_desc->extra.aml_length, | ||
252 | extra_desc->extra.aml_start); | ||
253 | return_ACPI_STATUS(status); | ||
254 | } | ||
255 | |||
256 | /******************************************************************************* | ||
257 | * | ||
258 | * FUNCTION: acpi_ds_get_buffer_arguments | ||
259 | * | ||
260 | * PARAMETERS: obj_desc - A valid Buffer object | ||
261 | * | ||
262 | * RETURN: Status. | ||
263 | * | ||
264 | * DESCRIPTION: Get Buffer length and initializer byte list. This implements | ||
265 | * the late evaluation of these attributes. | ||
266 | * | ||
267 | ******************************************************************************/ | ||
268 | |||
269 | acpi_status acpi_ds_get_buffer_arguments(union acpi_operand_object *obj_desc) | ||
270 | { | ||
271 | struct acpi_namespace_node *node; | ||
272 | acpi_status status; | ||
273 | |||
274 | ACPI_FUNCTION_TRACE_PTR(ds_get_buffer_arguments, obj_desc); | ||
275 | |||
276 | if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { | ||
277 | return_ACPI_STATUS(AE_OK); | ||
278 | } | ||
279 | |||
280 | /* Get the Buffer node */ | ||
281 | |||
282 | node = obj_desc->buffer.node; | ||
283 | if (!node) { | ||
284 | ACPI_ERROR((AE_INFO, | ||
285 | "No pointer back to namespace node in buffer object %p", | ||
286 | obj_desc)); | ||
287 | return_ACPI_STATUS(AE_AML_INTERNAL); | ||
288 | } | ||
289 | |||
290 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Buffer Arg Init\n")); | ||
291 | |||
292 | /* Execute the AML code for the term_arg arguments */ | ||
293 | |||
294 | status = acpi_ds_execute_arguments(node, node, | ||
295 | obj_desc->buffer.aml_length, | ||
296 | obj_desc->buffer.aml_start); | ||
297 | return_ACPI_STATUS(status); | ||
298 | } | ||
299 | |||
300 | /******************************************************************************* | ||
301 | * | ||
302 | * FUNCTION: acpi_ds_get_package_arguments | ||
303 | * | ||
304 | * PARAMETERS: obj_desc - A valid Package object | ||
305 | * | ||
306 | * RETURN: Status. | ||
307 | * | ||
308 | * DESCRIPTION: Get Package length and initializer byte list. This implements | ||
309 | * the late evaluation of these attributes. | ||
310 | * | ||
311 | ******************************************************************************/ | ||
312 | |||
313 | acpi_status acpi_ds_get_package_arguments(union acpi_operand_object *obj_desc) | ||
314 | { | ||
315 | struct acpi_namespace_node *node; | ||
316 | acpi_status status; | ||
317 | |||
318 | ACPI_FUNCTION_TRACE_PTR(ds_get_package_arguments, obj_desc); | ||
319 | |||
320 | if (obj_desc->common.flags & AOPOBJ_DATA_VALID) { | ||
321 | return_ACPI_STATUS(AE_OK); | ||
322 | } | ||
323 | |||
324 | /* Get the Package node */ | ||
325 | |||
326 | node = obj_desc->package.node; | ||
327 | if (!node) { | ||
328 | ACPI_ERROR((AE_INFO, | ||
329 | "No pointer back to namespace node in package %p", | ||
330 | obj_desc)); | ||
331 | return_ACPI_STATUS(AE_AML_INTERNAL); | ||
332 | } | ||
333 | |||
334 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Package Arg Init\n")); | ||
335 | |||
336 | /* Execute the AML code for the term_arg arguments */ | ||
337 | |||
338 | status = acpi_ds_execute_arguments(node, node, | ||
339 | obj_desc->package.aml_length, | ||
340 | obj_desc->package.aml_start); | ||
341 | return_ACPI_STATUS(status); | ||
342 | } | ||
343 | |||
344 | /******************************************************************************* | ||
345 | * | ||
346 | * FUNCTION: acpi_ds_get_region_arguments | ||
347 | * | ||
348 | * PARAMETERS: obj_desc - A valid region object | ||
349 | * | ||
350 | * RETURN: Status. | ||
351 | * | ||
352 | * DESCRIPTION: Get region address and length. This implements the late | ||
353 | * evaluation of these region attributes. | ||
354 | * | ||
355 | ******************************************************************************/ | ||
356 | |||
357 | acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) | ||
358 | { | ||
359 | struct acpi_namespace_node *node; | ||
360 | acpi_status status; | ||
361 | union acpi_operand_object *extra_desc; | ||
362 | |||
363 | ACPI_FUNCTION_TRACE_PTR(ds_get_region_arguments, obj_desc); | ||
364 | |||
365 | if (obj_desc->region.flags & AOPOBJ_DATA_VALID) { | ||
366 | return_ACPI_STATUS(AE_OK); | ||
367 | } | ||
368 | |||
369 | extra_desc = acpi_ns_get_secondary_object(obj_desc); | ||
370 | if (!extra_desc) { | ||
371 | return_ACPI_STATUS(AE_NOT_EXIST); | ||
372 | } | ||
373 | |||
374 | /* Get the Region node */ | ||
375 | |||
376 | node = obj_desc->region.node; | ||
377 | |||
378 | ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname | ||
379 | (ACPI_TYPE_REGION, node, NULL)); | ||
380 | |||
381 | ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "[%4.4s] OpRegion Arg Init at AML %p\n", | ||
382 | acpi_ut_get_node_name(node), | ||
383 | extra_desc->extra.aml_start)); | ||
384 | |||
385 | /* Execute the argument AML */ | ||
386 | |||
387 | status = acpi_ds_execute_arguments(node, node->parent, | ||
388 | extra_desc->extra.aml_length, | ||
389 | extra_desc->extra.aml_start); | ||
390 | return_ACPI_STATUS(status); | ||
391 | } | ||