aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/acpi/executer/exmisc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi/executer/exmisc.c')
-rw-r--r--drivers/acpi/executer/exmisc.c358
1 files changed, 158 insertions, 200 deletions
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 237ef28c8132..a3f4d72bedc9 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -42,15 +42,12 @@
42 * POSSIBILITY OF SUCH DAMAGES. 42 * POSSIBILITY OF SUCH DAMAGES.
43 */ 43 */
44 44
45
46#include <acpi/acpi.h> 45#include <acpi/acpi.h>
47#include <acpi/acinterp.h> 46#include <acpi/acinterp.h>
48#include <acpi/amlcode.h> 47#include <acpi/amlcode.h>
49 48
50
51#define _COMPONENT ACPI_EXECUTER 49#define _COMPONENT ACPI_EXECUTER
52 ACPI_MODULE_NAME ("exmisc") 50ACPI_MODULE_NAME("exmisc")
53
54 51
55/******************************************************************************* 52/*******************************************************************************
56 * 53 *
@@ -66,27 +63,23 @@
66 * Common code for the ref_of_op and the cond_ref_of_op. 63 * Common code for the ref_of_op and the cond_ref_of_op.
67 * 64 *
68 ******************************************************************************/ 65 ******************************************************************************/
69
70acpi_status 66acpi_status
71acpi_ex_get_object_reference ( 67acpi_ex_get_object_reference(union acpi_operand_object *obj_desc,
72 union acpi_operand_object *obj_desc, 68 union acpi_operand_object **return_desc,
73 union acpi_operand_object **return_desc, 69 struct acpi_walk_state *walk_state)
74 struct acpi_walk_state *walk_state)
75{ 70{
76 union acpi_operand_object *reference_obj; 71 union acpi_operand_object *reference_obj;
77 union acpi_operand_object *referenced_obj; 72 union acpi_operand_object *referenced_obj;
78
79
80 ACPI_FUNCTION_TRACE_PTR ("ex_get_object_reference", obj_desc);
81 73
74 ACPI_FUNCTION_TRACE_PTR("ex_get_object_reference", obj_desc);
82 75
83 *return_desc = NULL; 76 *return_desc = NULL;
84 77
85 switch (ACPI_GET_DESCRIPTOR_TYPE (obj_desc)) { 78 switch (ACPI_GET_DESCRIPTOR_TYPE(obj_desc)) {
86 case ACPI_DESC_TYPE_OPERAND: 79 case ACPI_DESC_TYPE_OPERAND:
87 80
88 if (ACPI_GET_OBJECT_TYPE (obj_desc) != ACPI_TYPE_LOCAL_REFERENCE) { 81 if (ACPI_GET_OBJECT_TYPE(obj_desc) != ACPI_TYPE_LOCAL_REFERENCE) {
89 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 82 return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
90 } 83 }
91 84
92 /* 85 /*
@@ -104,13 +97,11 @@ acpi_ex_get_object_reference (
104 97
105 default: 98 default:
106 99
107 ACPI_REPORT_ERROR (("Unknown Reference opcode in get_reference %X\n", 100 ACPI_REPORT_ERROR(("Unknown Reference opcode in get_reference %X\n", obj_desc->reference.opcode));
108 obj_desc->reference.opcode)); 101 return_ACPI_STATUS(AE_AML_INTERNAL);
109 return_ACPI_STATUS (AE_AML_INTERNAL);
110 } 102 }
111 break; 103 break;
112 104
113
114 case ACPI_DESC_TYPE_NAMED: 105 case ACPI_DESC_TYPE_NAMED:
115 106
116 /* 107 /*
@@ -119,34 +110,32 @@ acpi_ex_get_object_reference (
119 referenced_obj = obj_desc; 110 referenced_obj = obj_desc;
120 break; 111 break;
121 112
122
123 default: 113 default:
124 114
125 ACPI_REPORT_ERROR (("Invalid descriptor type in get_reference: %X\n", 115 ACPI_REPORT_ERROR(("Invalid descriptor type in get_reference: %X\n", ACPI_GET_DESCRIPTOR_TYPE(obj_desc)));
126 ACPI_GET_DESCRIPTOR_TYPE (obj_desc))); 116 return_ACPI_STATUS(AE_TYPE);
127 return_ACPI_STATUS (AE_TYPE);
128 } 117 }
129 118
130
131 /* Create a new reference object */ 119 /* Create a new reference object */
132 120
133 reference_obj = acpi_ut_create_internal_object (ACPI_TYPE_LOCAL_REFERENCE); 121 reference_obj =
122 acpi_ut_create_internal_object(ACPI_TYPE_LOCAL_REFERENCE);
134 if (!reference_obj) { 123 if (!reference_obj) {
135 return_ACPI_STATUS (AE_NO_MEMORY); 124 return_ACPI_STATUS(AE_NO_MEMORY);
136 } 125 }
137 126
138 reference_obj->reference.opcode = AML_REF_OF_OP; 127 reference_obj->reference.opcode = AML_REF_OF_OP;
139 reference_obj->reference.object = referenced_obj; 128 reference_obj->reference.object = referenced_obj;
140 *return_desc = reference_obj; 129 *return_desc = reference_obj;
141 130
142 ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, 131 ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
143 "Object %p Type [%s], returning Reference %p\n", 132 "Object %p Type [%s], returning Reference %p\n",
144 obj_desc, acpi_ut_get_object_type_name (obj_desc), *return_desc)); 133 obj_desc, acpi_ut_get_object_type_name(obj_desc),
134 *return_desc));
145 135
146 return_ACPI_STATUS (AE_OK); 136 return_ACPI_STATUS(AE_OK);
147} 137}
148 138
149
150/******************************************************************************* 139/*******************************************************************************
151 * 140 *
152 * FUNCTION: acpi_ex_concat_template 141 * FUNCTION: acpi_ex_concat_template
@@ -163,63 +152,58 @@ acpi_ex_get_object_reference (
163 ******************************************************************************/ 152 ******************************************************************************/
164 153
165acpi_status 154acpi_status
166acpi_ex_concat_template ( 155acpi_ex_concat_template(union acpi_operand_object *operand0,
167 union acpi_operand_object *operand0, 156 union acpi_operand_object *operand1,
168 union acpi_operand_object *operand1, 157 union acpi_operand_object **actual_return_desc,
169 union acpi_operand_object **actual_return_desc, 158 struct acpi_walk_state *walk_state)
170 struct acpi_walk_state *walk_state)
171{ 159{
172 union acpi_operand_object *return_desc; 160 union acpi_operand_object *return_desc;
173 u8 *new_buf; 161 u8 *new_buf;
174 u8 *end_tag1; 162 u8 *end_tag1;
175 u8 *end_tag2; 163 u8 *end_tag2;
176 acpi_size length1; 164 acpi_size length1;
177 acpi_size length2; 165 acpi_size length2;
178
179
180 ACPI_FUNCTION_TRACE ("ex_concat_template");
181 166
167 ACPI_FUNCTION_TRACE("ex_concat_template");
182 168
183 /* Find the end_tags in each resource template */ 169 /* Find the end_tags in each resource template */
184 170
185 end_tag1 = acpi_ut_get_resource_end_tag (operand0); 171 end_tag1 = acpi_ut_get_resource_end_tag(operand0);
186 end_tag2 = acpi_ut_get_resource_end_tag (operand1); 172 end_tag2 = acpi_ut_get_resource_end_tag(operand1);
187 if (!end_tag1 || !end_tag2) { 173 if (!end_tag1 || !end_tag2) {
188 return_ACPI_STATUS (AE_AML_OPERAND_TYPE); 174 return_ACPI_STATUS(AE_AML_OPERAND_TYPE);
189 } 175 }
190 176
191 /* Compute the length of each part */ 177 /* Compute the length of each part */
192 178
193 length1 = ACPI_PTR_DIFF (end_tag1, operand0->buffer.pointer); 179 length1 = ACPI_PTR_DIFF(end_tag1, operand0->buffer.pointer);
194 length2 = ACPI_PTR_DIFF (end_tag2, operand1->buffer.pointer) + 180 length2 = ACPI_PTR_DIFF(end_tag2, operand1->buffer.pointer) + 2; /* Size of END_TAG */
195 2; /* Size of END_TAG */
196 181
197 /* Create a new buffer object for the result */ 182 /* Create a new buffer object for the result */
198 183
199 return_desc = acpi_ut_create_buffer_object (length1 + length2); 184 return_desc = acpi_ut_create_buffer_object(length1 + length2);
200 if (!return_desc) { 185 if (!return_desc) {
201 return_ACPI_STATUS (AE_NO_MEMORY); 186 return_ACPI_STATUS(AE_NO_MEMORY);
202 } 187 }
203 188
204 /* Copy the templates to the new descriptor */ 189 /* Copy the templates to the new descriptor */
205 190
206 new_buf = return_desc->buffer.pointer; 191 new_buf = return_desc->buffer.pointer;
207 ACPI_MEMCPY (new_buf, operand0->buffer.pointer, length1); 192 ACPI_MEMCPY(new_buf, operand0->buffer.pointer, length1);
208 ACPI_MEMCPY (new_buf + length1, operand1->buffer.pointer, length2); 193 ACPI_MEMCPY(new_buf + length1, operand1->buffer.pointer, length2);
209 194
210 /* Compute the new checksum */ 195 /* Compute the new checksum */
211 196
212 new_buf[return_desc->buffer.length - 1] = 197 new_buf[return_desc->buffer.length - 1] =
213 acpi_ut_generate_checksum (return_desc->buffer.pointer, 198 acpi_ut_generate_checksum(return_desc->buffer.pointer,
214 (return_desc->buffer.length - 1)); 199 (return_desc->buffer.length - 1));
215 200
216 /* Return the completed template descriptor */ 201 /* Return the completed template descriptor */
217 202
218 *actual_return_desc = return_desc; 203 *actual_return_desc = return_desc;
219 return_ACPI_STATUS (AE_OK); 204 return_ACPI_STATUS(AE_OK);
220} 205}
221 206
222
223/******************************************************************************* 207/*******************************************************************************
224 * 208 *
225 * FUNCTION: acpi_ex_do_concatenate 209 * FUNCTION: acpi_ex_do_concatenate
@@ -236,21 +220,18 @@ acpi_ex_concat_template (
236 ******************************************************************************/ 220 ******************************************************************************/
237 221
238acpi_status 222acpi_status
239acpi_ex_do_concatenate ( 223acpi_ex_do_concatenate(union acpi_operand_object *operand0,
240 union acpi_operand_object *operand0, 224 union acpi_operand_object *operand1,
241 union acpi_operand_object *operand1, 225 union acpi_operand_object **actual_return_desc,
242 union acpi_operand_object **actual_return_desc, 226 struct acpi_walk_state *walk_state)
243 struct acpi_walk_state *walk_state)
244{ 227{
245 union acpi_operand_object *local_operand1 = operand1; 228 union acpi_operand_object *local_operand1 = operand1;
246 union acpi_operand_object *return_desc; 229 union acpi_operand_object *return_desc;
247 char *new_buf; 230 char *new_buf;
248 acpi_status status; 231 acpi_status status;
249 acpi_size new_length; 232 acpi_size new_length;
250
251
252 ACPI_FUNCTION_TRACE ("ex_do_concatenate");
253 233
234 ACPI_FUNCTION_TRACE("ex_do_concatenate");
254 235
255 /* 236 /*
256 * Convert the second operand if necessary. The first operand 237 * Convert the second operand if necessary. The first operand
@@ -259,27 +240,28 @@ acpi_ex_do_concatenate (
259 * guaranteed to be either Integer/String/Buffer by the operand 240 * guaranteed to be either Integer/String/Buffer by the operand
260 * resolution mechanism. 241 * resolution mechanism.
261 */ 242 */
262 switch (ACPI_GET_OBJECT_TYPE (operand0)) { 243 switch (ACPI_GET_OBJECT_TYPE(operand0)) {
263 case ACPI_TYPE_INTEGER: 244 case ACPI_TYPE_INTEGER:
264 status = acpi_ex_convert_to_integer (operand1, &local_operand1, 16); 245 status =
246 acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
265 break; 247 break;
266 248
267 case ACPI_TYPE_STRING: 249 case ACPI_TYPE_STRING:
268 status = acpi_ex_convert_to_string (operand1, &local_operand1, 250 status = acpi_ex_convert_to_string(operand1, &local_operand1,
269 ACPI_IMPLICIT_CONVERT_HEX); 251 ACPI_IMPLICIT_CONVERT_HEX);
270 break; 252 break;
271 253
272 case ACPI_TYPE_BUFFER: 254 case ACPI_TYPE_BUFFER:
273 status = acpi_ex_convert_to_buffer (operand1, &local_operand1); 255 status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
274 break; 256 break;
275 257
276 default: 258 default:
277 ACPI_REPORT_ERROR (("Concat - invalid obj type: %X\n", 259 ACPI_REPORT_ERROR(("Concat - invalid obj type: %X\n",
278 ACPI_GET_OBJECT_TYPE (operand0))); 260 ACPI_GET_OBJECT_TYPE(operand0)));
279 status = AE_AML_INTERNAL; 261 status = AE_AML_INTERNAL;
280 } 262 }
281 263
282 if (ACPI_FAILURE (status)) { 264 if (ACPI_FAILURE(status)) {
283 goto cleanup; 265 goto cleanup;
284 } 266 }
285 267
@@ -296,32 +278,33 @@ acpi_ex_do_concatenate (
296 * 2) Two Strings concatenated to produce a new String 278 * 2) Two Strings concatenated to produce a new String
297 * 3) Two Buffers concatenated to produce a new Buffer 279 * 3) Two Buffers concatenated to produce a new Buffer
298 */ 280 */
299 switch (ACPI_GET_OBJECT_TYPE (operand0)) { 281 switch (ACPI_GET_OBJECT_TYPE(operand0)) {
300 case ACPI_TYPE_INTEGER: 282 case ACPI_TYPE_INTEGER:
301 283
302 /* Result of two Integers is a Buffer */ 284 /* Result of two Integers is a Buffer */
303 /* Need enough buffer space for two integers */ 285 /* Need enough buffer space for two integers */
304 286
305 return_desc = acpi_ut_create_buffer_object ((acpi_size) 287 return_desc = acpi_ut_create_buffer_object((acpi_size)
306 ACPI_MUL_2 (acpi_gbl_integer_byte_width)); 288 ACPI_MUL_2
289 (acpi_gbl_integer_byte_width));
307 if (!return_desc) { 290 if (!return_desc) {
308 status = AE_NO_MEMORY; 291 status = AE_NO_MEMORY;
309 goto cleanup; 292 goto cleanup;
310 } 293 }
311 294
312 new_buf = (char *) return_desc->buffer.pointer; 295 new_buf = (char *)return_desc->buffer.pointer;
313 296
314 /* Copy the first integer, LSB first */ 297 /* Copy the first integer, LSB first */
315 298
316 ACPI_MEMCPY (new_buf, 299 ACPI_MEMCPY(new_buf,
317 &operand0->integer.value, 300 &operand0->integer.value,
318 acpi_gbl_integer_byte_width); 301 acpi_gbl_integer_byte_width);
319 302
320 /* Copy the second integer (LSB first) after the first */ 303 /* Copy the second integer (LSB first) after the first */
321 304
322 ACPI_MEMCPY (new_buf + acpi_gbl_integer_byte_width, 305 ACPI_MEMCPY(new_buf + acpi_gbl_integer_byte_width,
323 &local_operand1->integer.value, 306 &local_operand1->integer.value,
324 acpi_gbl_integer_byte_width); 307 acpi_gbl_integer_byte_width);
325 break; 308 break;
326 309
327 case ACPI_TYPE_STRING: 310 case ACPI_TYPE_STRING:
@@ -329,13 +312,13 @@ acpi_ex_do_concatenate (
329 /* Result of two Strings is a String */ 312 /* Result of two Strings is a String */
330 313
331 new_length = (acpi_size) operand0->string.length + 314 new_length = (acpi_size) operand0->string.length +
332 (acpi_size) local_operand1->string.length; 315 (acpi_size) local_operand1->string.length;
333 if (new_length > ACPI_MAX_STRING_CONVERSION) { 316 if (new_length > ACPI_MAX_STRING_CONVERSION) {
334 status = AE_AML_STRING_LIMIT; 317 status = AE_AML_STRING_LIMIT;
335 goto cleanup; 318 goto cleanup;
336 } 319 }
337 320
338 return_desc = acpi_ut_create_string_object (new_length); 321 return_desc = acpi_ut_create_string_object(new_length);
339 if (!return_desc) { 322 if (!return_desc) {
340 status = AE_NO_MEMORY; 323 status = AE_NO_MEMORY;
341 goto cleanup; 324 goto cleanup;
@@ -345,56 +328,56 @@ acpi_ex_do_concatenate (
345 328
346 /* Concatenate the strings */ 329 /* Concatenate the strings */
347 330
348 ACPI_STRCPY (new_buf, 331 ACPI_STRCPY(new_buf, operand0->string.pointer);
349 operand0->string.pointer); 332 ACPI_STRCPY(new_buf + operand0->string.length,
350 ACPI_STRCPY (new_buf + operand0->string.length, 333 local_operand1->string.pointer);
351 local_operand1->string.pointer);
352 break; 334 break;
353 335
354 case ACPI_TYPE_BUFFER: 336 case ACPI_TYPE_BUFFER:
355 337
356 /* Result of two Buffers is a Buffer */ 338 /* Result of two Buffers is a Buffer */
357 339
358 return_desc = acpi_ut_create_buffer_object ( 340 return_desc = acpi_ut_create_buffer_object((acpi_size)
359 (acpi_size) operand0->buffer.length + 341 operand0->buffer.
360 (acpi_size) local_operand1->buffer.length); 342 length +
343 (acpi_size)
344 local_operand1->
345 buffer.length);
361 if (!return_desc) { 346 if (!return_desc) {
362 status = AE_NO_MEMORY; 347 status = AE_NO_MEMORY;
363 goto cleanup; 348 goto cleanup;
364 } 349 }
365 350
366 new_buf = (char *) return_desc->buffer.pointer; 351 new_buf = (char *)return_desc->buffer.pointer;
367 352
368 /* Concatenate the buffers */ 353 /* Concatenate the buffers */
369 354
370 ACPI_MEMCPY (new_buf, 355 ACPI_MEMCPY(new_buf,
371 operand0->buffer.pointer, 356 operand0->buffer.pointer, operand0->buffer.length);
372 operand0->buffer.length); 357 ACPI_MEMCPY(new_buf + operand0->buffer.length,
373 ACPI_MEMCPY (new_buf + operand0->buffer.length, 358 local_operand1->buffer.pointer,
374 local_operand1->buffer.pointer, 359 local_operand1->buffer.length);
375 local_operand1->buffer.length);
376 break; 360 break;
377 361
378 default: 362 default:
379 363
380 /* Invalid object type, should not happen here */ 364 /* Invalid object type, should not happen here */
381 365
382 ACPI_REPORT_ERROR (("Concatenate - Invalid object type: %X\n", 366 ACPI_REPORT_ERROR(("Concatenate - Invalid object type: %X\n",
383 ACPI_GET_OBJECT_TYPE (operand0))); 367 ACPI_GET_OBJECT_TYPE(operand0)));
384 status =AE_AML_INTERNAL; 368 status = AE_AML_INTERNAL;
385 goto cleanup; 369 goto cleanup;
386 } 370 }
387 371
388 *actual_return_desc = return_desc; 372 *actual_return_desc = return_desc;
389 373
390cleanup: 374 cleanup:
391 if (local_operand1 != operand1) { 375 if (local_operand1 != operand1) {
392 acpi_ut_remove_reference (local_operand1); 376 acpi_ut_remove_reference(local_operand1);
393 } 377 }
394 return_ACPI_STATUS (status); 378 return_ACPI_STATUS(status);
395} 379}
396 380
397
398/******************************************************************************* 381/*******************************************************************************
399 * 382 *
400 * FUNCTION: acpi_ex_do_math_op 383 * FUNCTION: acpi_ex_do_math_op
@@ -412,62 +395,49 @@ cleanup:
412 ******************************************************************************/ 395 ******************************************************************************/
413 396
414acpi_integer 397acpi_integer
415acpi_ex_do_math_op ( 398acpi_ex_do_math_op(u16 opcode, acpi_integer integer0, acpi_integer integer1)
416 u16 opcode,
417 acpi_integer integer0,
418 acpi_integer integer1)
419{ 399{
420 400
421 ACPI_FUNCTION_ENTRY (); 401 ACPI_FUNCTION_ENTRY();
422
423 402
424 switch (opcode) { 403 switch (opcode) {
425 case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */ 404 case AML_ADD_OP: /* Add (Integer0, Integer1, Result) */
426 405
427 return (integer0 + integer1); 406 return (integer0 + integer1);
428 407
429 408 case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */
430 case AML_BIT_AND_OP: /* And (Integer0, Integer1, Result) */
431 409
432 return (integer0 & integer1); 410 return (integer0 & integer1);
433 411
434 412 case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */
435 case AML_BIT_NAND_OP: /* NAnd (Integer0, Integer1, Result) */
436 413
437 return (~(integer0 & integer1)); 414 return (~(integer0 & integer1));
438 415
439 416 case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */
440 case AML_BIT_OR_OP: /* Or (Integer0, Integer1, Result) */
441 417
442 return (integer0 | integer1); 418 return (integer0 | integer1);
443 419
444 420 case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */
445 case AML_BIT_NOR_OP: /* NOr (Integer0, Integer1, Result) */
446 421
447 return (~(integer0 | integer1)); 422 return (~(integer0 | integer1));
448 423
449 424 case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */
450 case AML_BIT_XOR_OP: /* XOr (Integer0, Integer1, Result) */
451 425
452 return (integer0 ^ integer1); 426 return (integer0 ^ integer1);
453 427
454 428 case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */
455 case AML_MULTIPLY_OP: /* Multiply (Integer0, Integer1, Result) */
456 429
457 return (integer0 * integer1); 430 return (integer0 * integer1);
458 431
459 432 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result) */
460 case AML_SHIFT_LEFT_OP: /* shift_left (Operand, shift_count, Result)*/
461 433
462 return (integer0 << integer1); 434 return (integer0 << integer1);
463 435
464 436 case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
465 case AML_SHIFT_RIGHT_OP: /* shift_right (Operand, shift_count, Result) */
466 437
467 return (integer0 >> integer1); 438 return (integer0 >> integer1);
468 439
469 440 case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
470 case AML_SUBTRACT_OP: /* Subtract (Integer0, Integer1, Result) */
471 441
472 return (integer0 - integer1); 442 return (integer0 - integer1);
473 443
@@ -477,7 +447,6 @@ acpi_ex_do_math_op (
477 } 447 }
478} 448}
479 449
480
481/******************************************************************************* 450/*******************************************************************************
482 * 451 *
483 * FUNCTION: acpi_ex_do_logical_numeric_op 452 * FUNCTION: acpi_ex_do_logical_numeric_op
@@ -499,28 +468,24 @@ acpi_ex_do_math_op (
499 ******************************************************************************/ 468 ******************************************************************************/
500 469
501acpi_status 470acpi_status
502acpi_ex_do_logical_numeric_op ( 471acpi_ex_do_logical_numeric_op(u16 opcode,
503 u16 opcode, 472 acpi_integer integer0,
504 acpi_integer integer0, 473 acpi_integer integer1, u8 * logical_result)
505 acpi_integer integer1,
506 u8 *logical_result)
507{ 474{
508 acpi_status status = AE_OK; 475 acpi_status status = AE_OK;
509 u8 local_result = FALSE; 476 u8 local_result = FALSE;
510
511
512 ACPI_FUNCTION_TRACE ("ex_do_logical_numeric_op");
513 477
478 ACPI_FUNCTION_TRACE("ex_do_logical_numeric_op");
514 479
515 switch (opcode) { 480 switch (opcode) {
516 case AML_LAND_OP: /* LAnd (Integer0, Integer1) */ 481 case AML_LAND_OP: /* LAnd (Integer0, Integer1) */
517 482
518 if (integer0 && integer1) { 483 if (integer0 && integer1) {
519 local_result = TRUE; 484 local_result = TRUE;
520 } 485 }
521 break; 486 break;
522 487
523 case AML_LOR_OP: /* LOr (Integer0, Integer1) */ 488 case AML_LOR_OP: /* LOr (Integer0, Integer1) */
524 489
525 if (integer0 || integer1) { 490 if (integer0 || integer1) {
526 local_result = TRUE; 491 local_result = TRUE;
@@ -535,10 +500,9 @@ acpi_ex_do_logical_numeric_op (
535 /* Return the logical result and status */ 500 /* Return the logical result and status */
536 501
537 *logical_result = local_result; 502 *logical_result = local_result;
538 return_ACPI_STATUS (status); 503 return_ACPI_STATUS(status);
539} 504}
540 505
541
542/******************************************************************************* 506/*******************************************************************************
543 * 507 *
544 * FUNCTION: acpi_ex_do_logical_op 508 * FUNCTION: acpi_ex_do_logical_op
@@ -566,24 +530,20 @@ acpi_ex_do_logical_numeric_op (
566 ******************************************************************************/ 530 ******************************************************************************/
567 531
568acpi_status 532acpi_status
569acpi_ex_do_logical_op ( 533acpi_ex_do_logical_op(u16 opcode,
570 u16 opcode, 534 union acpi_operand_object *operand0,
571 union acpi_operand_object *operand0, 535 union acpi_operand_object *operand1, u8 * logical_result)
572 union acpi_operand_object *operand1,
573 u8 *logical_result)
574{ 536{
575 union acpi_operand_object *local_operand1 = operand1; 537 union acpi_operand_object *local_operand1 = operand1;
576 acpi_integer integer0; 538 acpi_integer integer0;
577 acpi_integer integer1; 539 acpi_integer integer1;
578 u32 length0; 540 u32 length0;
579 u32 length1; 541 u32 length1;
580 acpi_status status = AE_OK; 542 acpi_status status = AE_OK;
581 u8 local_result = FALSE; 543 u8 local_result = FALSE;
582 int compare; 544 int compare;
583
584
585 ACPI_FUNCTION_TRACE ("ex_do_logical_op");
586 545
546 ACPI_FUNCTION_TRACE("ex_do_logical_op");
587 547
588 /* 548 /*
589 * Convert the second operand if necessary. The first operand 549 * Convert the second operand if necessary. The first operand
@@ -592,18 +552,19 @@ acpi_ex_do_logical_op (
592 * guaranteed to be either Integer/String/Buffer by the operand 552 * guaranteed to be either Integer/String/Buffer by the operand
593 * resolution mechanism. 553 * resolution mechanism.
594 */ 554 */
595 switch (ACPI_GET_OBJECT_TYPE (operand0)) { 555 switch (ACPI_GET_OBJECT_TYPE(operand0)) {
596 case ACPI_TYPE_INTEGER: 556 case ACPI_TYPE_INTEGER:
597 status = acpi_ex_convert_to_integer (operand1, &local_operand1, 16); 557 status =
558 acpi_ex_convert_to_integer(operand1, &local_operand1, 16);
598 break; 559 break;
599 560
600 case ACPI_TYPE_STRING: 561 case ACPI_TYPE_STRING:
601 status = acpi_ex_convert_to_string (operand1, &local_operand1, 562 status = acpi_ex_convert_to_string(operand1, &local_operand1,
602 ACPI_IMPLICIT_CONVERT_HEX); 563 ACPI_IMPLICIT_CONVERT_HEX);
603 break; 564 break;
604 565
605 case ACPI_TYPE_BUFFER: 566 case ACPI_TYPE_BUFFER:
606 status = acpi_ex_convert_to_buffer (operand1, &local_operand1); 567 status = acpi_ex_convert_to_buffer(operand1, &local_operand1);
607 break; 568 break;
608 569
609 default: 570 default:
@@ -611,14 +572,14 @@ acpi_ex_do_logical_op (
611 break; 572 break;
612 } 573 }
613 574
614 if (ACPI_FAILURE (status)) { 575 if (ACPI_FAILURE(status)) {
615 goto cleanup; 576 goto cleanup;
616 } 577 }
617 578
618 /* 579 /*
619 * Two cases: 1) Both Integers, 2) Both Strings or Buffers 580 * Two cases: 1) Both Integers, 2) Both Strings or Buffers
620 */ 581 */
621 if (ACPI_GET_OBJECT_TYPE (operand0) == ACPI_TYPE_INTEGER) { 582 if (ACPI_GET_OBJECT_TYPE(operand0) == ACPI_TYPE_INTEGER) {
622 /* 583 /*
623 * 1) Both operands are of type integer 584 * 1) Both operands are of type integer
624 * Note: local_operand1 may have changed above 585 * Note: local_operand1 may have changed above
@@ -627,21 +588,21 @@ acpi_ex_do_logical_op (
627 integer1 = local_operand1->integer.value; 588 integer1 = local_operand1->integer.value;
628 589
629 switch (opcode) { 590 switch (opcode) {
630 case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */ 591 case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
631 592
632 if (integer0 == integer1) { 593 if (integer0 == integer1) {
633 local_result = TRUE; 594 local_result = TRUE;
634 } 595 }
635 break; 596 break;
636 597
637 case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */ 598 case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
638 599
639 if (integer0 > integer1) { 600 if (integer0 > integer1) {
640 local_result = TRUE; 601 local_result = TRUE;
641 } 602 }
642 break; 603 break;
643 604
644 case AML_LLESS_OP: /* LLess (Operand0, Operand1) */ 605 case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
645 606
646 if (integer0 < integer1) { 607 if (integer0 < integer1) {
647 local_result = TRUE; 608 local_result = TRUE;
@@ -652,8 +613,7 @@ acpi_ex_do_logical_op (
652 status = AE_AML_INTERNAL; 613 status = AE_AML_INTERNAL;
653 break; 614 break;
654 } 615 }
655 } 616 } else {
656 else {
657 /* 617 /*
658 * 2) Both operands are Strings or both are Buffers 618 * 2) Both operands are Strings or both are Buffers
659 * Note: Code below takes advantage of common Buffer/String 619 * Note: Code below takes advantage of common Buffer/String
@@ -665,31 +625,31 @@ acpi_ex_do_logical_op (
665 625
666 /* Lexicographic compare: compare the data bytes */ 626 /* Lexicographic compare: compare the data bytes */
667 627
668 compare = ACPI_MEMCMP ((const char * ) operand0->buffer.pointer, 628 compare = ACPI_MEMCMP((const char *)operand0->buffer.pointer,
669 (const char * ) local_operand1->buffer.pointer, 629 (const char *)local_operand1->buffer.
670 (length0 > length1) ? length1 : length0); 630 pointer,
631 (length0 > length1) ? length1 : length0);
671 632
672 switch (opcode) { 633 switch (opcode) {
673 case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */ 634 case AML_LEQUAL_OP: /* LEqual (Operand0, Operand1) */
674 635
675 /* Length and all bytes must be equal */ 636 /* Length and all bytes must be equal */
676 637
677 if ((length0 == length1) && 638 if ((length0 == length1) && (compare == 0)) {
678 (compare == 0)) {
679 /* Length and all bytes match ==> TRUE */ 639 /* Length and all bytes match ==> TRUE */
680 640
681 local_result = TRUE; 641 local_result = TRUE;
682 } 642 }
683 break; 643 break;
684 644
685 case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */ 645 case AML_LGREATER_OP: /* LGreater (Operand0, Operand1) */
686 646
687 if (compare > 0) { 647 if (compare > 0) {
688 local_result = TRUE; 648 local_result = TRUE;
689 goto cleanup; /* TRUE */ 649 goto cleanup; /* TRUE */
690 } 650 }
691 if (compare < 0) { 651 if (compare < 0) {
692 goto cleanup; /* FALSE */ 652 goto cleanup; /* FALSE */
693 } 653 }
694 654
695 /* Bytes match (to shortest length), compare lengths */ 655 /* Bytes match (to shortest length), compare lengths */
@@ -699,14 +659,14 @@ acpi_ex_do_logical_op (
699 } 659 }
700 break; 660 break;
701 661
702 case AML_LLESS_OP: /* LLess (Operand0, Operand1) */ 662 case AML_LLESS_OP: /* LLess (Operand0, Operand1) */
703 663
704 if (compare > 0) { 664 if (compare > 0) {
705 goto cleanup; /* FALSE */ 665 goto cleanup; /* FALSE */
706 } 666 }
707 if (compare < 0) { 667 if (compare < 0) {
708 local_result = TRUE; 668 local_result = TRUE;
709 goto cleanup; /* TRUE */ 669 goto cleanup; /* TRUE */
710 } 670 }
711 671
712 /* Bytes match (to shortest length), compare lengths */ 672 /* Bytes match (to shortest length), compare lengths */
@@ -722,18 +682,16 @@ acpi_ex_do_logical_op (
722 } 682 }
723 } 683 }
724 684
725cleanup: 685 cleanup:
726 686
727 /* New object was created if implicit conversion performed - delete */ 687 /* New object was created if implicit conversion performed - delete */
728 688
729 if (local_operand1 != operand1) { 689 if (local_operand1 != operand1) {
730 acpi_ut_remove_reference (local_operand1); 690 acpi_ut_remove_reference(local_operand1);
731 } 691 }
732 692
733 /* Return the logical result and status */ 693 /* Return the logical result and status */
734 694
735 *logical_result = local_result; 695 *logical_result = local_result;
736 return_ACPI_STATUS (status); 696 return_ACPI_STATUS(status);
737} 697}
738
739
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-13 05:09:39 -0500