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-rw-r--r--drivers/acpi/tables/tbconvrt.c105
-rw-r--r--drivers/acpi/tables/tbget.c63
-rw-r--r--drivers/acpi/tables/tbgetall.c45
-rw-r--r--drivers/acpi/tables/tbinstal.c31
-rw-r--r--drivers/acpi/tables/tbrsdt.c19
-rw-r--r--drivers/acpi/tables/tbutils.c97
-rw-r--r--drivers/acpi/tables/tbxface.c39
-rw-r--r--drivers/acpi/tables/tbxfroot.c123
8 files changed, 324 insertions, 198 deletions
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 334327c1f66f..92e0c31539be 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -50,6 +50,24 @@
50#define _COMPONENT ACPI_TABLES 50#define _COMPONENT ACPI_TABLES
51 ACPI_MODULE_NAME ("tbconvrt") 51 ACPI_MODULE_NAME ("tbconvrt")
52 52
53/* Local prototypes */
54
55static void
56acpi_tb_init_generic_address (
57 struct acpi_generic_address *new_gas_struct,
58 u8 register_bit_width,
59 acpi_physical_address address);
60
61static void
62acpi_tb_convert_fadt1 (
63 struct fadt_descriptor_rev2 *local_fadt,
64 struct fadt_descriptor_rev1 *original_fadt);
65
66static void
67acpi_tb_convert_fadt2 (
68 struct fadt_descriptor_rev2 *local_fadt,
69 struct fadt_descriptor_rev2 *original_fadt);
70
53 71
54u8 acpi_fadt_is_v1; 72u8 acpi_fadt_is_v1;
55EXPORT_SYMBOL(acpi_fadt_is_v1); 73EXPORT_SYMBOL(acpi_fadt_is_v1);
@@ -142,11 +160,13 @@ acpi_tb_convert_to_xsdt (
142 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { 160 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
143 if (acpi_gbl_RSDP->revision < 2) { 161 if (acpi_gbl_RSDP->revision < 2) {
144 ACPI_STORE_ADDRESS (new_table->table_offset_entry[i], 162 ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
145 (ACPI_CAST_PTR (struct rsdt_descriptor_rev1, table_info->pointer))->table_offset_entry[i]); 163 (ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
164 table_info->pointer))->table_offset_entry[i]);
146 } 165 }
147 else { 166 else {
148 new_table->table_offset_entry[i] = 167 new_table->table_offset_entry[i] =
149 (ACPI_CAST_PTR (XSDT_DESCRIPTOR, table_info->pointer))->table_offset_entry[i]; 168 (ACPI_CAST_PTR (XSDT_DESCRIPTOR,
169 table_info->pointer))->table_offset_entry[i];
150 } 170 }
151 } 171 }
152 172
@@ -164,7 +184,7 @@ acpi_tb_convert_to_xsdt (
164} 184}
165 185
166 186
167/****************************************************************************** 187/*******************************************************************************
168 * 188 *
169 * FUNCTION: acpi_tb_init_generic_address 189 * FUNCTION: acpi_tb_init_generic_address
170 * 190 *
@@ -201,7 +221,7 @@ acpi_tb_init_generic_address (
201 * PARAMETERS: local_fadt - Pointer to new FADT 221 * PARAMETERS: local_fadt - Pointer to new FADT
202 * original_fadt - Pointer to old FADT 222 * original_fadt - Pointer to old FADT
203 * 223 *
204 * RETURN: Populates local_fadt 224 * RETURN: None, populates local_fadt
205 * 225 *
206 * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format 226 * DESCRIPTION: Convert an ACPI 1.0 FADT to common internal format
207 * 227 *
@@ -213,7 +233,6 @@ acpi_tb_convert_fadt1 (
213 struct fadt_descriptor_rev1 *original_fadt) 233 struct fadt_descriptor_rev1 *original_fadt)
214{ 234{
215 235
216
217 /* ACPI 1.0 FACS */ 236 /* ACPI 1.0 FACS */
218 /* The BIOS stored FADT should agree with Revision 1.0 */ 237 /* The BIOS stored FADT should agree with Revision 1.0 */
219 acpi_fadt_is_v1 = 1; 238 acpi_fadt_is_v1 = 1;
@@ -232,7 +251,8 @@ acpi_tb_convert_fadt1 (
232 ACPI_STORE_ADDRESS (local_fadt->Xdsdt, local_fadt->V1_dsdt); 251 ACPI_STORE_ADDRESS (local_fadt->Xdsdt, local_fadt->V1_dsdt);
233 252
234 /* 253 /*
235 * System Interrupt Model isn't used in ACPI 2.0 (local_fadt->Reserved1 = 0;) 254 * System Interrupt Model isn't used in ACPI 2.0
255 * (local_fadt->Reserved1 = 0;)
236 */ 256 */
237 257
238 /* 258 /*
@@ -269,7 +289,8 @@ acpi_tb_convert_fadt1 (
269 * that immediately follows. 289 * that immediately follows.
270 */ 290 */
271 ACPI_MEMCPY (&local_fadt->reset_register, 291 ACPI_MEMCPY (&local_fadt->reset_register,
272 &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus, original_fadt))->reset_register, 292 &(ACPI_CAST_PTR (struct fadt_descriptor_rev2_minus,
293 original_fadt))->reset_register,
273 sizeof (struct acpi_generic_address) + 1); 294 sizeof (struct acpi_generic_address) + 1);
274 } 295 }
275 else { 296 else {
@@ -304,7 +325,8 @@ acpi_tb_convert_fadt1 (
304 325
305 acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable, 326 acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable,
306 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), 327 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
307 (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address + 328 (acpi_physical_address)
329 (local_fadt->xpm1a_evt_blk.address +
308 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); 330 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
309 331
310 /* PM1B is optional; leave null if not present */ 332 /* PM1B is optional; leave null if not present */
@@ -312,7 +334,8 @@ acpi_tb_convert_fadt1 (
312 if (local_fadt->xpm1b_evt_blk.address) { 334 if (local_fadt->xpm1b_evt_blk.address) {
313 acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable, 335 acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable,
314 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), 336 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
315 (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address + 337 (acpi_physical_address)
338 (local_fadt->xpm1b_evt_blk.address +
316 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); 339 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
317 } 340 }
318} 341}
@@ -325,7 +348,7 @@ acpi_tb_convert_fadt1 (
325 * PARAMETERS: local_fadt - Pointer to new FADT 348 * PARAMETERS: local_fadt - Pointer to new FADT
326 * original_fadt - Pointer to old FADT 349 * original_fadt - Pointer to old FADT
327 * 350 *
328 * RETURN: Populates local_fadt 351 * RETURN: None, populates local_fadt
329 * 352 *
330 * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format. 353 * DESCRIPTION: Convert an ACPI 2.0 FADT to common internal format.
331 * Handles optional "X" fields. 354 * Handles optional "X" fields.
@@ -348,7 +371,8 @@ acpi_tb_convert_fadt2 (
348 * is zero. 371 * is zero.
349 */ 372 */
350 if (!(local_fadt->xfirmware_ctrl)) { 373 if (!(local_fadt->xfirmware_ctrl)) {
351 ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl, local_fadt->V1_firmware_ctrl); 374 ACPI_STORE_ADDRESS (local_fadt->xfirmware_ctrl,
375 local_fadt->V1_firmware_ctrl);
352 } 376 }
353 377
354 if (!(local_fadt->Xdsdt)) { 378 if (!(local_fadt->Xdsdt)) {
@@ -357,32 +381,38 @@ acpi_tb_convert_fadt2 (
357 381
358 if (!(local_fadt->xpm1a_evt_blk.address)) { 382 if (!(local_fadt->xpm1a_evt_blk.address)) {
359 acpi_tb_init_generic_address (&local_fadt->xpm1a_evt_blk, 383 acpi_tb_init_generic_address (&local_fadt->xpm1a_evt_blk,
360 local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1a_evt_blk); 384 local_fadt->pm1_evt_len,
385 (acpi_physical_address) local_fadt->V1_pm1a_evt_blk);
361 } 386 }
362 387
363 if (!(local_fadt->xpm1b_evt_blk.address)) { 388 if (!(local_fadt->xpm1b_evt_blk.address)) {
364 acpi_tb_init_generic_address (&local_fadt->xpm1b_evt_blk, 389 acpi_tb_init_generic_address (&local_fadt->xpm1b_evt_blk,
365 local_fadt->pm1_evt_len, (acpi_physical_address) local_fadt->V1_pm1b_evt_blk); 390 local_fadt->pm1_evt_len,
391 (acpi_physical_address) local_fadt->V1_pm1b_evt_blk);
366 } 392 }
367 393
368 if (!(local_fadt->xpm1a_cnt_blk.address)) { 394 if (!(local_fadt->xpm1a_cnt_blk.address)) {
369 acpi_tb_init_generic_address (&local_fadt->xpm1a_cnt_blk, 395 acpi_tb_init_generic_address (&local_fadt->xpm1a_cnt_blk,
370 local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk); 396 local_fadt->pm1_cnt_len,
397 (acpi_physical_address) local_fadt->V1_pm1a_cnt_blk);
371 } 398 }
372 399
373 if (!(local_fadt->xpm1b_cnt_blk.address)) { 400 if (!(local_fadt->xpm1b_cnt_blk.address)) {
374 acpi_tb_init_generic_address (&local_fadt->xpm1b_cnt_blk, 401 acpi_tb_init_generic_address (&local_fadt->xpm1b_cnt_blk,
375 local_fadt->pm1_cnt_len, (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk); 402 local_fadt->pm1_cnt_len,
403 (acpi_physical_address) local_fadt->V1_pm1b_cnt_blk);
376 } 404 }
377 405
378 if (!(local_fadt->xpm2_cnt_blk.address)) { 406 if (!(local_fadt->xpm2_cnt_blk.address)) {
379 acpi_tb_init_generic_address (&local_fadt->xpm2_cnt_blk, 407 acpi_tb_init_generic_address (&local_fadt->xpm2_cnt_blk,
380 local_fadt->pm2_cnt_len, (acpi_physical_address) local_fadt->V1_pm2_cnt_blk); 408 local_fadt->pm2_cnt_len,
409 (acpi_physical_address) local_fadt->V1_pm2_cnt_blk);
381 } 410 }
382 411
383 if (!(local_fadt->xpm_tmr_blk.address)) { 412 if (!(local_fadt->xpm_tmr_blk.address)) {
384 acpi_tb_init_generic_address (&local_fadt->xpm_tmr_blk, 413 acpi_tb_init_generic_address (&local_fadt->xpm_tmr_blk,
385 local_fadt->pm_tm_len, (acpi_physical_address) local_fadt->V1_pm_tmr_blk); 414 local_fadt->pm_tm_len,
415 (acpi_physical_address) local_fadt->V1_pm_tmr_blk);
386 } 416 }
387 417
388 if (!(local_fadt->xgpe0_blk.address)) { 418 if (!(local_fadt->xgpe0_blk.address)) {
@@ -399,18 +429,24 @@ acpi_tb_convert_fadt2 (
399 429
400 acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable, 430 acpi_tb_init_generic_address (&acpi_gbl_xpm1a_enable,
401 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), 431 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
402 (acpi_physical_address) (local_fadt->xpm1a_evt_blk.address + 432 (acpi_physical_address)
433 (local_fadt->xpm1a_evt_blk.address +
403 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); 434 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
404 acpi_gbl_xpm1a_enable.address_space_id = local_fadt->xpm1a_evt_blk.address_space_id; 435
436 acpi_gbl_xpm1a_enable.address_space_id =
437 local_fadt->xpm1a_evt_blk.address_space_id;
405 438
406 /* PM1B is optional; leave null if not present */ 439 /* PM1B is optional; leave null if not present */
407 440
408 if (local_fadt->xpm1b_evt_blk.address) { 441 if (local_fadt->xpm1b_evt_blk.address) {
409 acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable, 442 acpi_tb_init_generic_address (&acpi_gbl_xpm1b_enable,
410 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len), 443 (u8) ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len),
411 (acpi_physical_address) (local_fadt->xpm1b_evt_blk.address + 444 (acpi_physical_address)
445 (local_fadt->xpm1b_evt_blk.address +
412 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len))); 446 ACPI_DIV_2 (acpi_gbl_FADT->pm1_evt_len)));
413 acpi_gbl_xpm1b_enable.address_space_id = local_fadt->xpm1b_evt_blk.address_space_id; 447
448 acpi_gbl_xpm1b_enable.address_space_id =
449 local_fadt->xpm1b_evt_blk.address_space_id;
414 } 450 }
415} 451}
416 452
@@ -432,7 +468,8 @@ acpi_tb_convert_fadt2 (
432 ******************************************************************************/ 468 ******************************************************************************/
433 469
434acpi_status 470acpi_status
435acpi_tb_convert_table_fadt (void) 471acpi_tb_convert_table_fadt (
472 void)
436{ 473{
437 struct fadt_descriptor_rev2 *local_fadt; 474 struct fadt_descriptor_rev2 *local_fadt;
438 struct acpi_table_desc *table_desc; 475 struct acpi_table_desc *table_desc;
@@ -446,7 +483,8 @@ acpi_tb_convert_table_fadt (void)
446 * at least as long as the version 1.0 FADT 483 * at least as long as the version 1.0 FADT
447 */ 484 */
448 if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev1)) { 485 if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev1)) {
449 ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n", acpi_gbl_FADT->length)); 486 ACPI_REPORT_ERROR (("FADT is invalid, too short: 0x%X\n",
487 acpi_gbl_FADT->length));
450 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); 488 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
451 } 489 }
452 490
@@ -461,8 +499,9 @@ acpi_tb_convert_table_fadt (void)
461 if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev2)) { 499 if (acpi_gbl_FADT->length < sizeof (struct fadt_descriptor_rev2)) {
462 /* Length is too short to be a V2.0 table */ 500 /* Length is too short to be a V2.0 table */
463 501
464 ACPI_REPORT_WARNING (("Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n", 502 ACPI_REPORT_WARNING ((
465 acpi_gbl_FADT->length, acpi_gbl_FADT->revision)); 503 "Inconsistent FADT length (0x%X) and revision (0x%X), using FADT V1.0 portion of table\n",
504 acpi_gbl_FADT->length, acpi_gbl_FADT->revision));
466 505
467 acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT); 506 acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT);
468 } 507 }
@@ -478,9 +517,8 @@ acpi_tb_convert_table_fadt (void)
478 acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT); 517 acpi_tb_convert_fadt1 (local_fadt, (void *) acpi_gbl_FADT);
479 } 518 }
480 519
481 /* 520 /* Global FADT pointer will point to the new common V2.0 FADT */
482 * Global FADT pointer will point to the new common V2.0 FADT 521
483 */
484 acpi_gbl_FADT = local_fadt; 522 acpi_gbl_FADT = local_fadt;
485 acpi_gbl_FADT->length = sizeof (FADT_DESCRIPTOR); 523 acpi_gbl_FADT->length = sizeof (FADT_DESCRIPTOR);
486 524
@@ -508,7 +546,7 @@ acpi_tb_convert_table_fadt (void)
508 546
509/******************************************************************************* 547/*******************************************************************************
510 * 548 *
511 * FUNCTION: acpi_tb_convert_table_facs 549 * FUNCTION: acpi_tb_build_common_facs
512 * 550 *
513 * PARAMETERS: table_info - Info for currently installed FACS 551 * PARAMETERS: table_info - Info for currently installed FACS
514 * 552 *
@@ -530,12 +568,14 @@ acpi_tb_build_common_facs (
530 /* Absolute minimum length is 24, but the ACPI spec says 64 */ 568 /* Absolute minimum length is 24, but the ACPI spec says 64 */
531 569
532 if (acpi_gbl_FACS->length < 24) { 570 if (acpi_gbl_FACS->length < 24) {
533 ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n", acpi_gbl_FACS->length)); 571 ACPI_REPORT_ERROR (("Invalid FACS table length: 0x%X\n",
572 acpi_gbl_FACS->length));
534 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH); 573 return_ACPI_STATUS (AE_INVALID_TABLE_LENGTH);
535 } 574 }
536 575
537 if (acpi_gbl_FACS->length < 64) { 576 if (acpi_gbl_FACS->length < 64) {
538 ACPI_REPORT_WARNING (("FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n", 577 ACPI_REPORT_WARNING ((
578 "FACS is shorter than the ACPI specification allows: 0x%X, using anyway\n",
539 acpi_gbl_FACS->length)); 579 acpi_gbl_FACS->length));
540 } 580 }
541 581
@@ -548,7 +588,8 @@ acpi_tb_build_common_facs (
548 (!(acpi_gbl_FACS->xfirmware_waking_vector))) { 588 (!(acpi_gbl_FACS->xfirmware_waking_vector))) {
549 /* ACPI 1.0 FACS or short table or optional X_ field is zero */ 589 /* ACPI 1.0 FACS or short table or optional X_ field is zero */
550 590
551 acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64, &(acpi_gbl_FACS->firmware_waking_vector)); 591 acpi_gbl_common_fACS.firmware_waking_vector = ACPI_CAST_PTR (u64,
592 &(acpi_gbl_FACS->firmware_waking_vector));
552 acpi_gbl_common_fACS.vector_width = 32; 593 acpi_gbl_common_fACS.vector_width = 32;
553 } 594 }
554 else { 595 else {
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c
index 896f3ddda62e..4ab2aadc6133 100644
--- a/drivers/acpi/tables/tbget.c
+++ b/drivers/acpi/tables/tbget.c
@@ -49,6 +49,19 @@
49#define _COMPONENT ACPI_TABLES 49#define _COMPONENT ACPI_TABLES
50 ACPI_MODULE_NAME ("tbget") 50 ACPI_MODULE_NAME ("tbget")
51 51
52/* Local prototypes */
53
54static acpi_status
55acpi_tb_get_this_table (
56 struct acpi_pointer *address,
57 struct acpi_table_header *header,
58 struct acpi_table_desc *table_info);
59
60static acpi_status
61acpi_tb_table_override (
62 struct acpi_table_header *header,
63 struct acpi_table_desc *table_info);
64
52 65
53/******************************************************************************* 66/*******************************************************************************
54 * 67 *
@@ -76,9 +89,8 @@ acpi_tb_get_table (
76 ACPI_FUNCTION_TRACE ("tb_get_table"); 89 ACPI_FUNCTION_TRACE ("tb_get_table");
77 90
78 91
79 /* 92 /* Get the header in order to get signature and table size */
80 * Get the header in order to get signature and table size 93
81 */
82 status = acpi_tb_get_table_header (address, &header); 94 status = acpi_tb_get_table_header (address, &header);
83 if (ACPI_FAILURE (status)) { 95 if (ACPI_FAILURE (status)) {
84 return_ACPI_STATUS (status); 96 return_ACPI_STATUS (status);
@@ -127,8 +139,8 @@ acpi_tb_get_table_header (
127 139
128 140
129 /* 141 /*
130 * Flags contains the current processor mode (Virtual or Physical addressing) 142 * Flags contains the current processor mode (Virtual or Physical
131 * The pointer_type is either Logical or Physical 143 * addressing) The pointer_type is either Logical or Physical
132 */ 144 */
133 switch (address->pointer_type) { 145 switch (address->pointer_type) {
134 case ACPI_PHYSMODE_PHYSPTR: 146 case ACPI_PHYSMODE_PHYSPTR:
@@ -136,7 +148,8 @@ acpi_tb_get_table_header (
136 148
137 /* Pointer matches processor mode, copy the header */ 149 /* Pointer matches processor mode, copy the header */
138 150
139 ACPI_MEMCPY (return_header, address->pointer.logical, sizeof (struct acpi_table_header)); 151 ACPI_MEMCPY (return_header, address->pointer.logical,
152 sizeof (struct acpi_table_header));
140 break; 153 break;
141 154
142 155
@@ -144,10 +157,11 @@ acpi_tb_get_table_header (
144 157
145 /* Create a logical address for the physical pointer*/ 158 /* Create a logical address for the physical pointer*/
146 159
147 status = acpi_os_map_memory (address->pointer.physical, sizeof (struct acpi_table_header), 160 status = acpi_os_map_memory (address->pointer.physical,
148 (void *) &header); 161 sizeof (struct acpi_table_header), (void *) &header);
149 if (ACPI_FAILURE (status)) { 162 if (ACPI_FAILURE (status)) {
150 ACPI_REPORT_ERROR (("Could not map memory at %8.8X%8.8X for length %X\n", 163 ACPI_REPORT_ERROR ((
164 "Could not map memory at %8.8X%8.8X for length %X\n",
151 ACPI_FORMAT_UINT64 (address->pointer.physical), 165 ACPI_FORMAT_UINT64 (address->pointer.physical),
152 sizeof (struct acpi_table_header))); 166 sizeof (struct acpi_table_header)));
153 return_ACPI_STATUS (status); 167 return_ACPI_STATUS (status);
@@ -210,9 +224,8 @@ acpi_tb_get_table_body (
210 return_ACPI_STATUS (AE_BAD_PARAMETER); 224 return_ACPI_STATUS (AE_BAD_PARAMETER);
211 } 225 }
212 226
213 /* 227 /* Attempt table override. */
214 * Attempt table override. 228
215 */
216 status = acpi_tb_table_override (header, table_info); 229 status = acpi_tb_table_override (header, table_info);
217 if (ACPI_SUCCESS (status)) { 230 if (ACPI_SUCCESS (status)) {
218 /* Table was overridden by the host OS */ 231 /* Table was overridden by the host OS */
@@ -241,7 +254,7 @@ acpi_tb_get_table_body (
241 * 254 *
242 ******************************************************************************/ 255 ******************************************************************************/
243 256
244acpi_status 257static acpi_status
245acpi_tb_table_override ( 258acpi_tb_table_override (
246 struct acpi_table_header *header, 259 struct acpi_table_header *header,
247 struct acpi_table_desc *table_info) 260 struct acpi_table_desc *table_info)
@@ -315,7 +328,7 @@ acpi_tb_table_override (
315 * 328 *
316 ******************************************************************************/ 329 ******************************************************************************/
317 330
318acpi_status 331static acpi_status
319acpi_tb_get_this_table ( 332acpi_tb_get_this_table (
320 struct acpi_pointer *address, 333 struct acpi_pointer *address,
321 struct acpi_table_header *header, 334 struct acpi_table_header *header,
@@ -330,8 +343,8 @@ acpi_tb_get_this_table (
330 343
331 344
332 /* 345 /*
333 * Flags contains the current processor mode (Virtual or Physical addressing) 346 * Flags contains the current processor mode (Virtual or Physical
334 * The pointer_type is either Logical or Physical 347 * addressing) The pointer_type is either Logical or Physical
335 */ 348 */
336 switch (address->pointer_type) { 349 switch (address->pointer_type) {
337 case ACPI_PHYSMODE_PHYSPTR: 350 case ACPI_PHYSMODE_PHYSPTR:
@@ -341,7 +354,8 @@ acpi_tb_get_this_table (
341 354
342 full_table = ACPI_MEM_ALLOCATE (header->length); 355 full_table = ACPI_MEM_ALLOCATE (header->length);
343 if (!full_table) { 356 if (!full_table) {
344 ACPI_REPORT_ERROR (("Could not allocate table memory for [%4.4s] length %X\n", 357 ACPI_REPORT_ERROR ((
358 "Could not allocate table memory for [%4.4s] length %X\n",
345 header->signature, header->length)); 359 header->signature, header->length));
346 return_ACPI_STATUS (AE_NO_MEMORY); 360 return_ACPI_STATUS (AE_NO_MEMORY);
347 } 361 }
@@ -362,12 +376,14 @@ acpi_tb_get_this_table (
362 * Just map the table's physical memory 376 * Just map the table's physical memory
363 * into our address space. 377 * into our address space.
364 */ 378 */
365 status = acpi_os_map_memory (address->pointer.physical, (acpi_size) header->length, 379 status = acpi_os_map_memory (address->pointer.physical,
366 (void *) &full_table); 380 (acpi_size) header->length, (void *) &full_table);
367 if (ACPI_FAILURE (status)) { 381 if (ACPI_FAILURE (status)) {
368 ACPI_REPORT_ERROR (("Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n", 382 ACPI_REPORT_ERROR ((
383 "Could not map memory for table [%4.4s] at %8.8X%8.8X for length %X\n",
369 header->signature, 384 header->signature,
370 ACPI_FORMAT_UINT64 (address->pointer.physical), header->length)); 385 ACPI_FORMAT_UINT64 (address->pointer.physical),
386 header->length));
371 return (status); 387 return (status);
372 } 388 }
373 389
@@ -465,9 +481,8 @@ acpi_tb_get_table_ptr (
465 return_ACPI_STATUS (AE_OK); 481 return_ACPI_STATUS (AE_OK);
466 } 482 }
467 483
468 /* 484 /* Check for instance out of range */
469 * Check for instance out of range 485
470 */
471 if (instance > acpi_gbl_table_lists[table_type].count) { 486 if (instance > acpi_gbl_table_lists[table_type].count) {
472 return_ACPI_STATUS (AE_NOT_EXIST); 487 return_ACPI_STATUS (AE_NOT_EXIST);
473 } 488 }
diff --git a/drivers/acpi/tables/tbgetall.c b/drivers/acpi/tables/tbgetall.c
index adc4270988bc..eea5b8cb5ebb 100644
--- a/drivers/acpi/tables/tbgetall.c
+++ b/drivers/acpi/tables/tbgetall.c
@@ -49,6 +49,19 @@
49#define _COMPONENT ACPI_TABLES 49#define _COMPONENT ACPI_TABLES
50 ACPI_MODULE_NAME ("tbgetall") 50 ACPI_MODULE_NAME ("tbgetall")
51 51
52/* Local prototypes */
53
54static acpi_status
55acpi_tb_get_primary_table (
56 struct acpi_pointer *address,
57 struct acpi_table_desc *table_info);
58
59static acpi_status
60acpi_tb_get_secondary_table (
61 struct acpi_pointer *address,
62 acpi_string signature,
63 struct acpi_table_desc *table_info);
64
52 65
53/******************************************************************************* 66/*******************************************************************************
54 * 67 *
@@ -63,7 +76,7 @@
63 * 76 *
64 ******************************************************************************/ 77 ******************************************************************************/
65 78
66acpi_status 79static acpi_status
67acpi_tb_get_primary_table ( 80acpi_tb_get_primary_table (
68 struct acpi_pointer *address, 81 struct acpi_pointer *address,
69 struct acpi_table_desc *table_info) 82 struct acpi_table_desc *table_info)
@@ -81,9 +94,8 @@ acpi_tb_get_primary_table (
81 return_ACPI_STATUS (AE_OK); 94 return_ACPI_STATUS (AE_OK);
82 } 95 }
83 96
84 /* 97 /* Get the header in order to get signature and table size */
85 * Get the header in order to get signature and table size 98
86 */
87 status = acpi_tb_get_table_header (address, &header); 99 status = acpi_tb_get_table_header (address, &header);
88 if (ACPI_FAILURE (status)) { 100 if (ACPI_FAILURE (status)) {
89 return_ACPI_STATUS (status); 101 return_ACPI_STATUS (status);
@@ -130,7 +142,7 @@ acpi_tb_get_primary_table (
130 * 142 *
131 ******************************************************************************/ 143 ******************************************************************************/
132 144
133acpi_status 145static acpi_status
134acpi_tb_get_secondary_table ( 146acpi_tb_get_secondary_table (
135 struct acpi_pointer *address, 147 struct acpi_pointer *address,
136 acpi_string signature, 148 acpi_string signature,
@@ -153,7 +165,8 @@ acpi_tb_get_secondary_table (
153 /* Signature must match request */ 165 /* Signature must match request */
154 166
155 if (ACPI_STRNCMP (header.signature, signature, ACPI_NAME_SIZE)) { 167 if (ACPI_STRNCMP (header.signature, signature, ACPI_NAME_SIZE)) {
156 ACPI_REPORT_ERROR (("Incorrect table signature - wanted [%s] found [%4.4s]\n", 168 ACPI_REPORT_ERROR ((
169 "Incorrect table signature - wanted [%s] found [%4.4s]\n",
157 signature, header.signature)); 170 signature, header.signature));
158 return_ACPI_STATUS (AE_BAD_SIGNATURE); 171 return_ACPI_STATUS (AE_BAD_SIGNATURE);
159 } 172 }
@@ -230,7 +243,8 @@ acpi_tb_get_required_tables (
230 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) { 243 for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
231 /* Get the table address from the common internal XSDT */ 244 /* Get the table address from the common internal XSDT */
232 245
233 address.pointer.value = acpi_gbl_XSDT->table_offset_entry[i]; 246 address.pointer.value =
247 acpi_gbl_XSDT->table_offset_entry[i];
234 248
235 /* 249 /*
236 * Get the tables needed by this subsystem (FADT and any SSDTs). 250 * Get the tables needed by this subsystem (FADT and any SSDTs).
@@ -252,18 +266,18 @@ acpi_tb_get_required_tables (
252 } 266 }
253 267
254 /* 268 /*
255 * Convert the FADT to a common format. This allows earlier revisions of the 269 * Convert the FADT to a common format. This allows earlier revisions of
256 * table to coexist with newer versions, using common access code. 270 * the table to coexist with newer versions, using common access code.
257 */ 271 */
258 status = acpi_tb_convert_table_fadt (); 272 status = acpi_tb_convert_table_fadt ();
259 if (ACPI_FAILURE (status)) { 273 if (ACPI_FAILURE (status)) {
260 ACPI_REPORT_ERROR (("Could not convert FADT to internal common format\n")); 274 ACPI_REPORT_ERROR ((
275 "Could not convert FADT to internal common format\n"));
261 return_ACPI_STATUS (status); 276 return_ACPI_STATUS (status);
262 } 277 }
263 278
264 /* 279 /* Get the FACS (Pointed to by the FADT) */
265 * Get the FACS (Pointed to by the FADT) 280
266 */
267 address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl; 281 address.pointer.value = acpi_gbl_FADT->xfirmware_ctrl;
268 282
269 status = acpi_tb_get_secondary_table (&address, FACS_SIG, &table_info); 283 status = acpi_tb_get_secondary_table (&address, FACS_SIG, &table_info);
@@ -282,9 +296,8 @@ acpi_tb_get_required_tables (
282 return_ACPI_STATUS (status); 296 return_ACPI_STATUS (status);
283 } 297 }
284 298
285 /* 299 /* Get/install the DSDT (Pointed to by the FADT) */
286 * Get/install the DSDT (Pointed to by the FADT) 300
287 */
288 address.pointer.value = acpi_gbl_FADT->Xdsdt; 301 address.pointer.value = acpi_gbl_FADT->Xdsdt;
289 302
290 status = acpi_tb_get_secondary_table (&address, DSDT_SIG, &table_info); 303 status = acpi_tb_get_secondary_table (&address, DSDT_SIG, &table_info);
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 85d5bb01022c..629b64c8193d 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -49,6 +49,14 @@
49#define _COMPONENT ACPI_TABLES 49#define _COMPONENT ACPI_TABLES
50 ACPI_MODULE_NAME ("tbinstal") 50 ACPI_MODULE_NAME ("tbinstal")
51 51
52/* Local prototypes */
53
54static acpi_status
55acpi_tb_match_signature (
56 char *signature,
57 struct acpi_table_desc *table_info,
58 u8 search_type);
59
52 60
53/******************************************************************************* 61/*******************************************************************************
54 * 62 *
@@ -56,6 +64,7 @@
56 * 64 *
57 * PARAMETERS: Signature - Table signature to match 65 * PARAMETERS: Signature - Table signature to match
58 * table_info - Return data 66 * table_info - Return data
67 * search_type - Table type to match (primary/secondary)
59 * 68 *
60 * RETURN: Status 69 * RETURN: Status
61 * 70 *
@@ -64,7 +73,7 @@
64 * 73 *
65 ******************************************************************************/ 74 ******************************************************************************/
66 75
67acpi_status 76static acpi_status
68acpi_tb_match_signature ( 77acpi_tb_match_signature (
69 char *signature, 78 char *signature,
70 struct acpi_table_desc *table_info, 79 struct acpi_table_desc *table_info,
@@ -76,9 +85,8 @@ acpi_tb_match_signature (
76 ACPI_FUNCTION_TRACE ("tb_match_signature"); 85 ACPI_FUNCTION_TRACE ("tb_match_signature");
77 86
78 87
79 /* 88 /* Search for a signature match among the known table types */
80 * Search for a signature match among the known table types 89
81 */
82 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) { 90 for (i = 0; i < NUM_ACPI_TABLE_TYPES; i++) {
83 if (!(acpi_gbl_table_data[i].flags & search_type)) { 91 if (!(acpi_gbl_table_data[i].flags & search_type)) {
84 continue; 92 continue;
@@ -161,6 +169,7 @@ acpi_tb_install_table (
161 * FUNCTION: acpi_tb_recognize_table 169 * FUNCTION: acpi_tb_recognize_table
162 * 170 *
163 * PARAMETERS: table_info - Return value from acpi_tb_get_table_body 171 * PARAMETERS: table_info - Return value from acpi_tb_get_table_body
172 * search_type - Table type to match (primary/secondary)
164 * 173 *
165 * RETURN: Status 174 * RETURN: Status
166 * 175 *
@@ -203,7 +212,8 @@ acpi_tb_recognize_table (
203 * This can be any one of many valid ACPI tables, it just isn't one of 212 * This can be any one of many valid ACPI tables, it just isn't one of
204 * the tables that is consumed by the core subsystem 213 * the tables that is consumed by the core subsystem
205 */ 214 */
206 status = acpi_tb_match_signature (table_header->signature, table_info, search_type); 215 status = acpi_tb_match_signature (table_header->signature,
216 table_info, search_type);
207 if (ACPI_FAILURE (status)) { 217 if (ACPI_FAILURE (status)) {
208 return_ACPI_STATUS (status); 218 return_ACPI_STATUS (status);
209 } 219 }
@@ -253,9 +263,8 @@ acpi_tb_init_table_descriptor (
253 return_ACPI_STATUS (AE_NO_MEMORY); 263 return_ACPI_STATUS (AE_NO_MEMORY);
254 } 264 }
255 265
256 /* 266 /* Install the table into the global data structure */
257 * Install the table into the global data structure 267
258 */
259 list_head = &acpi_gbl_table_lists[table_type]; 268 list_head = &acpi_gbl_table_lists[table_type];
260 269
261 /* 270 /*
@@ -316,7 +325,8 @@ acpi_tb_init_table_descriptor (
316 table_desc->aml_start = (u8 *) (table_desc->pointer + 1), 325 table_desc->aml_start = (u8 *) (table_desc->pointer + 1),
317 table_desc->aml_length = (u32) (table_desc->length - 326 table_desc->aml_length = (u32) (table_desc->length -
318 (u32) sizeof (struct acpi_table_header)); 327 (u32) sizeof (struct acpi_table_header));
319 table_desc->table_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_TABLE); 328 table_desc->table_id = acpi_ut_allocate_owner_id (
329 ACPI_OWNER_TYPE_TABLE);
320 table_desc->loaded_into_namespace = FALSE; 330 table_desc->loaded_into_namespace = FALSE;
321 331
322 /* 332 /*
@@ -349,7 +359,8 @@ acpi_tb_init_table_descriptor (
349 ******************************************************************************/ 359 ******************************************************************************/
350 360
351void 361void
352acpi_tb_delete_all_tables (void) 362acpi_tb_delete_all_tables (
363 void)
353{ 364{
354 acpi_table_type type; 365 acpi_table_type type;
355 366
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index 9c6913238d52..b7ffe39c3626 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -84,8 +84,9 @@ acpi_tb_verify_rsdp (
84 /* 84 /*
85 * Obtain access to the RSDP structure 85 * Obtain access to the RSDP structure
86 */ 86 */
87 status = acpi_os_map_memory (address->pointer.physical, sizeof (struct rsdp_descriptor), 87 status = acpi_os_map_memory (address->pointer.physical,
88 (void *) &rsdp); 88 sizeof (struct rsdp_descriptor),
89 (void *) &rsdp);
89 if (ACPI_FAILURE (status)) { 90 if (ACPI_FAILURE (status)) {
90 return_ACPI_STATUS (status); 91 return_ACPI_STATUS (status);
91 } 92 }
@@ -154,9 +155,9 @@ cleanup:
154 * 155 *
155 * FUNCTION: acpi_tb_get_rsdt_address 156 * FUNCTION: acpi_tb_get_rsdt_address
156 * 157 *
157 * PARAMETERS: None 158 * PARAMETERS: out_address - Where the address is returned
158 * 159 *
159 * RETURN: RSDT physical address 160 * RETURN: None, Address
160 * 161 *
161 * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the 162 * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
162 * version of the RSDP 163 * version of the RSDP
@@ -181,7 +182,8 @@ acpi_tb_get_rsdt_address (
181 out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address; 182 out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
182 } 183 }
183 else { 184 else {
184 out_address->pointer.value = acpi_gbl_RSDP->xsdt_physical_address; 185 out_address->pointer.value =
186 acpi_gbl_RSDP->xsdt_physical_address;
185 } 187 }
186} 188}
187 189
@@ -224,7 +226,8 @@ acpi_tb_validate_rsdt (
224 if (no_match) { 226 if (no_match) {
225 /* Invalid RSDT or XSDT signature */ 227 /* Invalid RSDT or XSDT signature */
226 228
227 ACPI_REPORT_ERROR (("Invalid signature where RSDP indicates RSDT/XSDT should be located\n")); 229 ACPI_REPORT_ERROR ((
230 "Invalid signature where RSDP indicates RSDT/XSDT should be located\n"));
228 231
229 ACPI_DUMP_BUFFER (acpi_gbl_RSDP, 20); 232 ACPI_DUMP_BUFFER (acpi_gbl_RSDP, 20);
230 233
@@ -282,6 +285,7 @@ acpi_tb_get_table_rsdt (
282 if (ACPI_FAILURE (status)) { 285 if (ACPI_FAILURE (status)) {
283 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n", 286 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not get the RSDT/XSDT, %s\n",
284 acpi_format_exception (status))); 287 acpi_format_exception (status)));
288
285 return_ACPI_STATUS (status); 289 return_ACPI_STATUS (status);
286 } 290 }
287 291
@@ -299,7 +303,8 @@ acpi_tb_get_table_rsdt (
299 303
300 /* Get the number of tables defined in the RSDT or XSDT */ 304 /* Get the number of tables defined in the RSDT or XSDT */
301 305
302 acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP, table_info.pointer); 306 acpi_gbl_rsdt_table_count = acpi_tb_get_table_count (acpi_gbl_RSDP,
307 table_info.pointer);
303 308
304 /* Convert and/or copy to an XSDT structure */ 309 /* Convert and/or copy to an XSDT structure */
305 310
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index fede5804c783..e69d01d443d2 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -49,48 +49,14 @@
49#define _COMPONENT ACPI_TABLES 49#define _COMPONENT ACPI_TABLES
50 ACPI_MODULE_NAME ("tbutils") 50 ACPI_MODULE_NAME ("tbutils")
51 51
52/* Local prototypes */
52 53
53/******************************************************************************* 54#ifdef ACPI_OBSOLETE_FUNCTIONS
54 *
55 * FUNCTION: acpi_tb_handle_to_object
56 *
57 * PARAMETERS: table_id - Id for which the function is searching
58 * table_desc - Pointer to return the matching table
59 * descriptor.
60 *
61 * RETURN: Search the tables to find one with a matching table_id and
62 * return a pointer to that table descriptor.
63 *
64 ******************************************************************************/
65#ifdef ACPI_FUTURE_USAGE
66acpi_status 55acpi_status
67acpi_tb_handle_to_object ( 56acpi_tb_handle_to_object (
68 u16 table_id, 57 u16 table_id,
69 struct acpi_table_desc **return_table_desc) 58 struct acpi_table_desc **table_desc);
70{ 59#endif
71 u32 i;
72 struct acpi_table_desc *table_desc;
73
74
75 ACPI_FUNCTION_NAME ("tb_handle_to_object");
76
77
78 for (i = 0; i < ACPI_TABLE_MAX; i++) {
79 table_desc = acpi_gbl_table_lists[i].next;
80 while (table_desc) {
81 if (table_desc->table_id == table_id) {
82 *return_table_desc = table_desc;
83 return (AE_OK);
84 }
85
86 table_desc = table_desc->next;
87 }
88 }
89
90 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "table_id=%X does not exist\n", table_id));
91 return (AE_BAD_PARAMETER);
92}
93#endif /* ACPI_FUTURE_USAGE */
94 60
95 61
96/******************************************************************************* 62/*******************************************************************************
@@ -128,6 +94,7 @@ acpi_tb_validate_table_header (
128 if (!acpi_os_readable (table_header, sizeof (struct acpi_table_header))) { 94 if (!acpi_os_readable (table_header, sizeof (struct acpi_table_header))) {
129 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 95 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
130 "Cannot read table header at %p\n", table_header)); 96 "Cannot read table header at %p\n", table_header));
97
131 return (AE_BAD_ADDRESS); 98 return (AE_BAD_ADDRESS);
132 } 99 }
133 100
@@ -141,6 +108,7 @@ acpi_tb_validate_table_header (
141 108
142 ACPI_REPORT_WARNING (("Invalid table signature found: [%4.4s]\n", 109 ACPI_REPORT_WARNING (("Invalid table signature found: [%4.4s]\n",
143 (char *) &signature)); 110 (char *) &signature));
111
144 ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header)); 112 ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header));
145 return (AE_BAD_SIGNATURE); 113 return (AE_BAD_SIGNATURE);
146 } 114 }
@@ -154,6 +122,7 @@ acpi_tb_validate_table_header (
154 122
155 ACPI_REPORT_WARNING (("Invalid table header length (0x%X) found\n", 123 ACPI_REPORT_WARNING (("Invalid table header length (0x%X) found\n",
156 (u32) table_header->length)); 124 (u32) table_header->length));
125
157 ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header)); 126 ACPI_DUMP_BUFFER (table_header, sizeof (struct acpi_table_header));
158 return (AE_BAD_HEADER); 127 return (AE_BAD_HEADER);
159 } 128 }
@@ -193,8 +162,10 @@ acpi_tb_verify_table_checksum (
193 /* Return the appropriate exception */ 162 /* Return the appropriate exception */
194 163
195 if (checksum) { 164 if (checksum) {
196 ACPI_REPORT_WARNING (("Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n", 165 ACPI_REPORT_WARNING ((
197 table_header->signature, (u32) table_header->checksum, (u32) checksum)); 166 "Invalid checksum in table [%4.4s] (%02X, sum %02X is not zero)\n",
167 table_header->signature, (u32) table_header->checksum,
168 (u32) checksum));
198 169
199 status = AE_BAD_CHECKSUM; 170 status = AE_BAD_CHECKSUM;
200 } 171 }
@@ -209,7 +180,7 @@ acpi_tb_verify_table_checksum (
209 * PARAMETERS: Buffer - Buffer to checksum 180 * PARAMETERS: Buffer - Buffer to checksum
210 * Length - Size of the buffer 181 * Length - Size of the buffer
211 * 182 *
212 * RETURNS 8 bit checksum of buffer 183 * RETURN: 8 bit checksum of buffer
213 * 184 *
214 * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it. 185 * DESCRIPTION: Computes an 8 bit checksum of the buffer(length) and returns it.
215 * 186 *
@@ -238,3 +209,47 @@ acpi_tb_checksum (
238} 209}
239 210
240 211
212#ifdef ACPI_OBSOLETE_FUNCTIONS
213/*******************************************************************************
214 *
215 * FUNCTION: acpi_tb_handle_to_object
216 *
217 * PARAMETERS: table_id - Id for which the function is searching
218 * table_desc - Pointer to return the matching table
219 * descriptor.
220 *
221 * RETURN: Search the tables to find one with a matching table_id and
222 * return a pointer to that table descriptor.
223 *
224 ******************************************************************************/
225
226acpi_status
227acpi_tb_handle_to_object (
228 u16 table_id,
229 struct acpi_table_desc **return_table_desc)
230{
231 u32 i;
232 struct acpi_table_desc *table_desc;
233
234
235 ACPI_FUNCTION_NAME ("tb_handle_to_object");
236
237
238 for (i = 0; i < ACPI_TABLE_MAX; i++) {
239 table_desc = acpi_gbl_table_lists[i].next;
240 while (table_desc) {
241 if (table_desc->table_id == table_id) {
242 *return_table_desc = table_desc;
243 return (AE_OK);
244 }
245
246 table_desc = table_desc->next;
247 }
248 }
249
250 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "table_id=%X does not exist\n", table_id));
251 return (AE_BAD_PARAMETER);
252}
253#endif
254
255
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 7715043461c4..0c0b9085dbeb 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -67,7 +67,8 @@
67 ******************************************************************************/ 67 ******************************************************************************/
68 68
69acpi_status 69acpi_status
70acpi_load_tables (void) 70acpi_load_tables (
71 void)
71{ 72{
72 struct acpi_pointer rsdp_address; 73 struct acpi_pointer rsdp_address;
73 acpi_status status; 74 acpi_status status;
@@ -82,7 +83,7 @@ acpi_load_tables (void)
82 &rsdp_address); 83 &rsdp_address);
83 if (ACPI_FAILURE (status)) { 84 if (ACPI_FAILURE (status)) {
84 ACPI_REPORT_ERROR (("acpi_load_tables: Could not get RSDP, %s\n", 85 ACPI_REPORT_ERROR (("acpi_load_tables: Could not get RSDP, %s\n",
85 acpi_format_exception (status))); 86 acpi_format_exception (status)));
86 goto error_exit; 87 goto error_exit;
87 } 88 }
88 89
@@ -93,7 +94,7 @@ acpi_load_tables (void)
93 status = acpi_tb_verify_rsdp (&rsdp_address); 94 status = acpi_tb_verify_rsdp (&rsdp_address);
94 if (ACPI_FAILURE (status)) { 95 if (ACPI_FAILURE (status)) {
95 ACPI_REPORT_ERROR (("acpi_load_tables: RSDP Failed validation: %s\n", 96 ACPI_REPORT_ERROR (("acpi_load_tables: RSDP Failed validation: %s\n",
96 acpi_format_exception (status))); 97 acpi_format_exception (status)));
97 goto error_exit; 98 goto error_exit;
98 } 99 }
99 100
@@ -102,7 +103,7 @@ acpi_load_tables (void)
102 status = acpi_tb_get_table_rsdt (); 103 status = acpi_tb_get_table_rsdt ();
103 if (ACPI_FAILURE (status)) { 104 if (ACPI_FAILURE (status)) {
104 ACPI_REPORT_ERROR (("acpi_load_tables: Could not load RSDT: %s\n", 105 ACPI_REPORT_ERROR (("acpi_load_tables: Could not load RSDT: %s\n",
105 acpi_format_exception (status))); 106 acpi_format_exception (status)));
106 goto error_exit; 107 goto error_exit;
107 } 108 }
108 109
@@ -110,20 +111,20 @@ acpi_load_tables (void)
110 111
111 status = acpi_tb_get_required_tables (); 112 status = acpi_tb_get_required_tables ();
112 if (ACPI_FAILURE (status)) { 113 if (ACPI_FAILURE (status)) {
113 ACPI_REPORT_ERROR (("acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", 114 ACPI_REPORT_ERROR ((
114 acpi_format_exception (status))); 115 "acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n",
116 acpi_format_exception (status)));
115 goto error_exit; 117 goto error_exit;
116 } 118 }
117 119
118 ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n")); 120 ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
119 121
120
121 /* Load the namespace from the tables */ 122 /* Load the namespace from the tables */
122 123
123 status = acpi_ns_load_namespace (); 124 status = acpi_ns_load_namespace ();
124 if (ACPI_FAILURE (status)) { 125 if (ACPI_FAILURE (status)) {
125 ACPI_REPORT_ERROR (("acpi_load_tables: Could not load namespace: %s\n", 126 ACPI_REPORT_ERROR (("acpi_load_tables: Could not load namespace: %s\n",
126 acpi_format_exception (status))); 127 acpi_format_exception (status)));
127 goto error_exit; 128 goto error_exit;
128 } 129 }
129 130
@@ -139,7 +140,6 @@ error_exit:
139 140
140 141
141#ifdef ACPI_FUTURE_USAGE 142#ifdef ACPI_FUTURE_USAGE
142
143/******************************************************************************* 143/*******************************************************************************
144 * 144 *
145 * FUNCTION: acpi_load_table 145 * FUNCTION: acpi_load_table
@@ -250,7 +250,6 @@ acpi_unload_table (
250 return_ACPI_STATUS (AE_BAD_PARAMETER); 250 return_ACPI_STATUS (AE_BAD_PARAMETER);
251 } 251 }
252 252
253
254 /* Find all tables of the requested type */ 253 /* Find all tables of the requested type */
255 254
256 table_desc = acpi_gbl_table_lists[table_type].next; 255 table_desc = acpi_gbl_table_lists[table_type].next;
@@ -321,7 +320,6 @@ acpi_get_table_header (
321 return_ACPI_STATUS (AE_BAD_PARAMETER); 320 return_ACPI_STATUS (AE_BAD_PARAMETER);
322 } 321 }
323 322
324
325 /* Get a pointer to the entire table */ 323 /* Get a pointer to the entire table */
326 324
327 status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); 325 status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr);
@@ -329,23 +327,20 @@ acpi_get_table_header (
329 return_ACPI_STATUS (status); 327 return_ACPI_STATUS (status);
330 } 328 }
331 329
332 /* 330 /* The function will return a NULL pointer if the table is not loaded */
333 * The function will return a NULL pointer if the table is not loaded 331
334 */
335 if (tbl_ptr == NULL) { 332 if (tbl_ptr == NULL) {
336 return_ACPI_STATUS (AE_NOT_EXIST); 333 return_ACPI_STATUS (AE_NOT_EXIST);
337 } 334 }
338 335
339 /* 336 /* Copy the header to the caller's buffer */
340 * Copy the header to the caller's buffer 337
341 */
342 ACPI_MEMCPY ((void *) out_table_header, (void *) tbl_ptr, 338 ACPI_MEMCPY ((void *) out_table_header, (void *) tbl_ptr,
343 sizeof (struct acpi_table_header)); 339 sizeof (struct acpi_table_header));
344 340
345 return_ACPI_STATUS (status); 341 return_ACPI_STATUS (status);
346} 342}
347 343
348
349#endif /* ACPI_FUTURE_USAGE */ 344#endif /* ACPI_FUTURE_USAGE */
350 345
351/******************************************************************************* 346/*******************************************************************************
@@ -404,7 +399,6 @@ acpi_get_table (
404 return_ACPI_STATUS (AE_BAD_PARAMETER); 399 return_ACPI_STATUS (AE_BAD_PARAMETER);
405 } 400 }
406 401
407
408 /* Get a pointer to the entire table */ 402 /* Get a pointer to the entire table */
409 403
410 status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr); 404 status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr);
@@ -423,9 +417,8 @@ acpi_get_table (
423 /* Get the table length */ 417 /* Get the table length */
424 418
425 if (table_type == ACPI_TABLE_RSDP) { 419 if (table_type == ACPI_TABLE_RSDP) {
426 /* 420 /* RSD PTR is the only "table" without a header */
427 * RSD PTR is the only "table" without a header 421
428 */
429 table_length = sizeof (struct rsdp_descriptor); 422 table_length = sizeof (struct rsdp_descriptor);
430 } 423 }
431 else { 424 else {
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index 6e8072ebbac6..dc3c3f6a9f62 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -50,6 +50,18 @@
50#define _COMPONENT ACPI_TABLES 50#define _COMPONENT ACPI_TABLES
51 ACPI_MODULE_NAME ("tbxfroot") 51 ACPI_MODULE_NAME ("tbxfroot")
52 52
53/* Local prototypes */
54
55static acpi_status
56acpi_tb_find_rsdp (
57 struct acpi_table_desc *table_info,
58 u32 flags);
59
60static u8 *
61acpi_tb_scan_memory_for_rsdp (
62 u8 *start_address,
63 u32 length);
64
53 65
54/******************************************************************************* 66/*******************************************************************************
55 * 67 *
@@ -57,7 +69,8 @@
57 * 69 *
58 * PARAMETERS: Signature - String with ACPI table signature 70 * PARAMETERS: Signature - String with ACPI table signature
59 * oem_id - String with the table OEM ID 71 * oem_id - String with the table OEM ID
60 * oem_table_id - String with the OEM Table ID. 72 * oem_table_id - String with the OEM Table ID
73 * table_ptr - Where the table pointer is returned
61 * 74 *
62 * RETURN: Status 75 * RETURN: Status
63 * 76 *
@@ -99,14 +112,13 @@ acpi_tb_find_table (
99 if (!acpi_gbl_DSDT) { 112 if (!acpi_gbl_DSDT) {
100 return_ACPI_STATUS (AE_NO_ACPI_TABLES); 113 return_ACPI_STATUS (AE_NO_ACPI_TABLES);
101 } 114 }
102
103 table = acpi_gbl_DSDT; 115 table = acpi_gbl_DSDT;
104 } 116 }
105 else { 117 else {
106 /* Find the table */ 118 /* Find the table */
107 119
108 status = acpi_get_firmware_table (signature, 1, 120 status = acpi_get_firmware_table (signature, 1,
109 ACPI_LOGICAL_ADDRESSING, &table); 121 ACPI_LOGICAL_ADDRESSING, &table);
110 if (ACPI_FAILURE (status)) { 122 if (ACPI_FAILURE (status)) {
111 return_ACPI_STATUS (status); 123 return_ACPI_STATUS (status);
112 } 124 }
@@ -114,14 +126,19 @@ acpi_tb_find_table (
114 126
115 /* Check oem_id and oem_table_id */ 127 /* Check oem_id and oem_table_id */
116 128
117 if ((oem_id[0] && ACPI_STRNCMP ( 129 if ((oem_id[0] && ACPI_STRNCMP (
118 oem_id, table->oem_id, sizeof (table->oem_id))) || 130 oem_id, table->oem_id,
131 sizeof (table->oem_id))) ||
132
119 (oem_table_id[0] && ACPI_STRNCMP ( 133 (oem_table_id[0] && ACPI_STRNCMP (
120 oem_table_id, table->oem_table_id, sizeof (table->oem_table_id)))) { 134 oem_table_id, table->oem_table_id,
135 sizeof (table->oem_table_id)))) {
121 return_ACPI_STATUS (AE_AML_NAME_NOT_FOUND); 136 return_ACPI_STATUS (AE_AML_NAME_NOT_FOUND);
122 } 137 }
123 138
124 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n", table->signature)); 139 ACPI_DEBUG_PRINT ((ACPI_DB_TABLES, "Found table [%4.4s]\n",
140 table->signature));
141
125 *table_ptr = table; 142 *table_ptr = table;
126 return_ACPI_STATUS (AE_OK); 143 return_ACPI_STATUS (AE_OK);
127} 144}
@@ -191,8 +208,8 @@ acpi_get_firmware_table (
191 /* Map and validate the RSDP */ 208 /* Map and validate the RSDP */
192 209
193 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { 210 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
194 status = acpi_os_map_memory (address.pointer.physical, sizeof (struct rsdp_descriptor), 211 status = acpi_os_map_memory (address.pointer.physical,
195 (void *) &acpi_gbl_RSDP); 212 sizeof (struct rsdp_descriptor), (void *) &acpi_gbl_RSDP);
196 if (ACPI_FAILURE (status)) { 213 if (ACPI_FAILURE (status)) {
197 return_ACPI_STATUS (status); 214 return_ACPI_STATUS (status);
198 } 215 }
@@ -203,7 +220,8 @@ acpi_get_firmware_table (
203 220
204 /* The signature and checksum must both be correct */ 221 /* The signature and checksum must both be correct */
205 222
206 if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) { 223 if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG,
224 sizeof (RSDP_SIG)-1) != 0) {
207 /* Nope, BAD Signature */ 225 /* Nope, BAD Signature */
208 226
209 return_ACPI_STATUS (AE_BAD_SIGNATURE); 227 return_ACPI_STATUS (AE_BAD_SIGNATURE);
@@ -313,7 +331,8 @@ acpi_get_firmware_table (
313 331
314 332
315cleanup: 333cleanup:
316 acpi_os_unmap_memory (rsdt_info->pointer, (acpi_size) rsdt_info->pointer->length); 334 acpi_os_unmap_memory (rsdt_info->pointer,
335 (acpi_size) rsdt_info->pointer->length);
317 ACPI_MEM_FREE (rsdt_info); 336 ACPI_MEM_FREE (rsdt_info);
318 337
319 if (header) { 338 if (header) {
@@ -335,8 +354,8 @@ EXPORT_SYMBOL(acpi_get_firmware_table);
335 * 354 *
336 * FUNCTION: acpi_find_root_pointer 355 * FUNCTION: acpi_find_root_pointer
337 * 356 *
338 * PARAMETERS: **rsdp_address - Where to place the RSDP address 357 * PARAMETERS: Flags - Logical/Physical addressing
339 * Flags - Logical/Physical addressing 358 * rsdp_address - Where to place the RSDP address
340 * 359 *
341 * RETURN: Status, Physical address of the RSDP 360 * RETURN: Status, Physical address of the RSDP
342 * 361 *
@@ -363,6 +382,7 @@ acpi_find_root_pointer (
363 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 382 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
364 "RSDP structure not found, %s Flags=%X\n", 383 "RSDP structure not found, %s Flags=%X\n",
365 acpi_format_exception (status), flags)); 384 acpi_format_exception (status), flags));
385
366 return_ACPI_STATUS (AE_NO_ACPI_TABLES); 386 return_ACPI_STATUS (AE_NO_ACPI_TABLES);
367 } 387 }
368 388
@@ -385,7 +405,7 @@ acpi_find_root_pointer (
385 * 405 *
386 ******************************************************************************/ 406 ******************************************************************************/
387 407
388u8 * 408static u8 *
389acpi_tb_scan_memory_for_rsdp ( 409acpi_tb_scan_memory_for_rsdp (
390 u8 *start_address, 410 u8 *start_address,
391 u32 length) 411 u32 length)
@@ -406,7 +426,8 @@ acpi_tb_scan_memory_for_rsdp (
406 mem_rover += ACPI_RSDP_SCAN_STEP) { 426 mem_rover += ACPI_RSDP_SCAN_STEP) {
407 /* The signature and checksum must both be correct */ 427 /* The signature and checksum must both be correct */
408 428
409 if (ACPI_STRNCMP ((char *) mem_rover, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) { 429 if (ACPI_STRNCMP ((char *) mem_rover,
430 RSDP_SIG, sizeof (RSDP_SIG) - 1) != 0) {
410 /* No signature match, keep looking */ 431 /* No signature match, keep looking */
411 432
412 continue; 433 continue;
@@ -450,7 +471,7 @@ acpi_tb_scan_memory_for_rsdp (
450 * 471 *
451 * FUNCTION: acpi_tb_find_rsdp 472 * FUNCTION: acpi_tb_find_rsdp
452 * 473 *
453 * PARAMETERS: *table_info - Where the table info is returned 474 * PARAMETERS: table_info - Where the table info is returned
454 * Flags - Current memory mode (logical vs. 475 * Flags - Current memory mode (logical vs.
455 * physical addressing) 476 * physical addressing)
456 * 477 *
@@ -468,7 +489,7 @@ acpi_tb_scan_memory_for_rsdp (
468 * 489 *
469 ******************************************************************************/ 490 ******************************************************************************/
470 491
471acpi_status 492static acpi_status
472acpi_tb_find_rsdp ( 493acpi_tb_find_rsdp (
473 struct acpi_table_desc *table_info, 494 struct acpi_table_desc *table_info,
474 u32 flags) 495 u32 flags)
@@ -483,43 +504,49 @@ acpi_tb_find_rsdp (
483 504
484 505
485 /* 506 /*
486 * Scan supports either 1) Logical addressing or 2) Physical addressing 507 * Scan supports either logical addressing or physical addressing
487 */ 508 */
488 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) { 509 if ((flags & ACPI_MEMORY_MODE) == ACPI_LOGICAL_ADDRESSING) {
489 /* 510 /* 1a) Get the location of the Extended BIOS Data Area (EBDA) */
490 * 1a) Get the location of the EBDA 511
491 */ 512 status = acpi_os_map_memory (
492 status = acpi_os_map_memory ((acpi_physical_address) ACPI_EBDA_PTR_LOCATION, 513 (acpi_physical_address) ACPI_EBDA_PTR_LOCATION,
493 ACPI_EBDA_PTR_LENGTH, 514 ACPI_EBDA_PTR_LENGTH, (void *) &table_ptr);
494 (void *) &table_ptr);
495 if (ACPI_FAILURE (status)) { 515 if (ACPI_FAILURE (status)) {
496 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 516 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
497 "Could not map memory at %8.8X for length %X\n", 517 "Could not map memory at %8.8X for length %X\n",
498 ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH)); 518 ACPI_EBDA_PTR_LOCATION, ACPI_EBDA_PTR_LENGTH));
519
499 return_ACPI_STATUS (status); 520 return_ACPI_STATUS (status);
500 } 521 }
501 522
502 ACPI_MOVE_16_TO_32 (&physical_address, table_ptr); 523 ACPI_MOVE_16_TO_32 (&physical_address, table_ptr);
503 physical_address <<= 4; /* Convert segment to physical address */ 524
525 /* Convert segment part to physical address */
526
527 physical_address <<= 4;
504 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_PTR_LENGTH); 528 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_PTR_LENGTH);
505 529
506 /* EBDA present? */ 530 /* EBDA present? */
507 531
508 if (physical_address > 0x400) { 532 if (physical_address > 0x400) {
509 /* 533 /*
510 * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of 1_k length) 534 * 1b) Search EBDA paragraphs (EBDa is required to be a
535 * minimum of 1_k length)
511 */ 536 */
512 status = acpi_os_map_memory ((acpi_physical_address) physical_address, 537 status = acpi_os_map_memory (
513 ACPI_EBDA_WINDOW_SIZE, 538 (acpi_physical_address) physical_address,
514 (void *) &table_ptr); 539 ACPI_EBDA_WINDOW_SIZE, (void *) &table_ptr);
515 if (ACPI_FAILURE (status)) { 540 if (ACPI_FAILURE (status)) {
516 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 541 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
517 "Could not map memory at %8.8X for length %X\n", 542 "Could not map memory at %8.8X for length %X\n",
518 physical_address, ACPI_EBDA_WINDOW_SIZE)); 543 physical_address, ACPI_EBDA_WINDOW_SIZE));
544
519 return_ACPI_STATUS (status); 545 return_ACPI_STATUS (status);
520 } 546 }
521 547
522 mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr, ACPI_EBDA_WINDOW_SIZE); 548 mem_rover = acpi_tb_scan_memory_for_rsdp (table_ptr,
549 ACPI_EBDA_WINDOW_SIZE);
523 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE); 550 acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE);
524 551
525 if (mem_rover) { 552 if (mem_rover) {
@@ -527,7 +554,8 @@ acpi_tb_find_rsdp (
527 554
528 physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr); 555 physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr);
529 556
530 table_info->physical_address = (acpi_physical_address) physical_address; 557 table_info->physical_address =
558 (acpi_physical_address) physical_address;
531 return_ACPI_STATUS (AE_OK); 559 return_ACPI_STATUS (AE_OK);
532 } 560 }
533 } 561 }
@@ -535,13 +563,15 @@ acpi_tb_find_rsdp (
535 /* 563 /*
536 * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh 564 * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh
537 */ 565 */
538 status = acpi_os_map_memory ((acpi_physical_address) ACPI_HI_RSDP_WINDOW_BASE, 566 status = acpi_os_map_memory (
539 ACPI_HI_RSDP_WINDOW_SIZE, 567 (acpi_physical_address) ACPI_HI_RSDP_WINDOW_BASE,
540 (void *) &table_ptr); 568 ACPI_HI_RSDP_WINDOW_SIZE, (void *) &table_ptr);
569
541 if (ACPI_FAILURE (status)) { 570 if (ACPI_FAILURE (status)) {
542 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, 571 ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
543 "Could not map memory at %8.8X for length %X\n", 572 "Could not map memory at %8.8X for length %X\n",
544 ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE)); 573 ACPI_HI_RSDP_WINDOW_BASE, ACPI_HI_RSDP_WINDOW_SIZE));
574
545 return_ACPI_STATUS (status); 575 return_ACPI_STATUS (status);
546 } 576 }
547 577
@@ -551,9 +581,11 @@ acpi_tb_find_rsdp (
551 if (mem_rover) { 581 if (mem_rover) {
552 /* Found it, return the physical address */ 582 /* Found it, return the physical address */
553 583
554 physical_address = ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr); 584 physical_address =
585 ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr);
555 586
556 table_info->physical_address = (acpi_physical_address) physical_address; 587 table_info->physical_address =
588 (acpi_physical_address) physical_address;
557 return_ACPI_STATUS (AE_OK); 589 return_ACPI_STATUS (AE_OK);
558 } 590 }
559 } 591 }
@@ -562,9 +594,8 @@ acpi_tb_find_rsdp (
562 * Physical addressing 594 * Physical addressing
563 */ 595 */
564 else { 596 else {
565 /* 597 /* 1a) Get the location of the EBDA */
566 * 1a) Get the location of the EBDA 598
567 */
568 ACPI_MOVE_16_TO_32 (&physical_address, ACPI_EBDA_PTR_LOCATION); 599 ACPI_MOVE_16_TO_32 (&physical_address, ACPI_EBDA_PTR_LOCATION);
569 physical_address <<= 4; /* Convert segment to physical address */ 600 physical_address <<= 4; /* Convert segment to physical address */
570 601
@@ -572,9 +603,11 @@ acpi_tb_find_rsdp (
572 603
573 if (physical_address > 0x400) { 604 if (physical_address > 0x400) {
574 /* 605 /*
575 * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of 1_k length) 606 * 1b) Search EBDA paragraphs (EBDa is required to be a minimum of
607 * 1_k length)
576 */ 608 */
577 mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (physical_address), 609 mem_rover = acpi_tb_scan_memory_for_rsdp (
610 ACPI_PHYSADDR_TO_PTR (physical_address),
578 ACPI_EBDA_WINDOW_SIZE); 611 ACPI_EBDA_WINDOW_SIZE);
579 if (mem_rover) { 612 if (mem_rover) {
580 /* Found it, return the physical address */ 613 /* Found it, return the physical address */
@@ -584,10 +617,10 @@ acpi_tb_find_rsdp (
584 } 617 }
585 } 618 }
586 619
587 /* 620 /* 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh */
588 * 2) Search upper memory: 16-byte boundaries in E0000h-FFFFFh 621
589 */ 622 mem_rover = acpi_tb_scan_memory_for_rsdp (
590 mem_rover = acpi_tb_scan_memory_for_rsdp (ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE), 623 ACPI_PHYSADDR_TO_PTR (ACPI_HI_RSDP_WINDOW_BASE),
591 ACPI_HI_RSDP_WINDOW_SIZE); 624 ACPI_HI_RSDP_WINDOW_SIZE);
592 if (mem_rover) { 625 if (mem_rover) {
593 /* Found it, return the physical address */ 626 /* Found it, return the physical address */
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-21 20:36:11 -0400