Changeset c6588ce in mainline for kernel/generic/src
- Timestamp:
- 2012-05-05T08:12:17Z (14 years ago)
- Branches:
- lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
- Children:
- ee04c28
- Parents:
- 2cc7f16 (diff), d21e935c (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the(diff)links above to see all the changes relative to each parent. - Location:
- kernel/generic/src
- Files:
-
- 14 edited
-
console/cmd.c (modified) (1 diff)
-
console/console.c (modified) (1 diff)
-
console/kconsole.c (modified) (1 diff)
-
ddi/ddi.c (modified) (1 diff)
-
ipc/sysipc.c (modified) (4 diffs)
-
lib/func.c (modified) (1 diff)
-
lib/str.c (modified) (5 diffs)
-
main/main.c (modified) (2 diffs)
-
main/version.c (modified) (1 diff)
-
mm/page.c (modified) (2 diffs)
-
printf/printf_core.c (modified) (2 diffs)
-
syscall/syscall.c (modified) (1 diff)
-
sysinfo/stats.c (modified) (25 diffs)
-
sysinfo/sysinfo.c (modified) (22 diffs)
Legend:
- Unmodified
- Added
- Removed
-
kernel/generic/src/console/cmd.c
r2cc7f16 rc6588ce 906 906 ((char *) argv->buffer)[0] <= '9') { 907 907 uint64_t value; 908 rc = str_uint64 ((char *) argv->buffer, NULL, 0, true, &value);908 rc = str_uint64_t((char *) argv->buffer, NULL, 0, true, &value); 909 909 if (rc == EOK) 910 910 addr = (uintptr_t) value; -
kernel/generic/src/console/console.c
r2cc7f16 rc6588ce 57 57 58 58 /** Kernel log cyclic buffer */ 59 static wchar_t klog[KLOG_LENGTH] __attribute__ ((aligned(PAGE_SIZE)));59 wchar_t klog[KLOG_LENGTH] __attribute__((aligned(PAGE_SIZE))); 60 60 61 61 /** Kernel log initialized */ -
kernel/generic/src/console/kconsole.c
r2cc7f16 rc6588ce 472 472 /* It's a number - convert it */ 473 473 uint64_t value; 474 int rc = str_uint64 (text, NULL, 0, true, &value);474 int rc = str_uint64_t(text, NULL, 0, true, &value); 475 475 switch (rc) { 476 476 case EINVAL: -
kernel/generic/src/ddi/ddi.c
r2cc7f16 rc6588ce 166 166 } 167 167 168 if (zones.info[znum].flags & ZONE_FIRMWARE) {169 /* 170 * Frames are part of firmware 168 if (zones.info[znum].flags & (ZONE_FIRMWARE | ZONE_RESERVED)) { 169 /* 170 * Frames are part of firmware or reserved zone 171 171 * -> allow mapping for privileged tasks. 172 172 */ -
kernel/generic/src/ipc/sysipc.c
r2cc7f16 rc6588ce 111 111 switch (imethod) { 112 112 case IPC_M_CONNECTION_CLONE: 113 case IPC_M_C ONNECT_ME:113 case IPC_M_CLONE_ESTABLISH: 114 114 case IPC_M_PHONE_HUNGUP: 115 115 /* This message is meant only for the original recipient. */ … … 160 160 switch (IPC_GET_IMETHOD(call->data)) { 161 161 case IPC_M_CONNECTION_CLONE: 162 case IPC_M_C ONNECT_ME:162 case IPC_M_CLONE_ESTABLISH: 163 163 case IPC_M_CONNECT_TO_ME: 164 164 case IPC_M_CONNECT_ME_TO: … … 225 225 mutex_unlock(&phone->lock); 226 226 } 227 } else if (IPC_GET_IMETHOD(*olddata) == IPC_M_C ONNECT_ME) {227 } else if (IPC_GET_IMETHOD(*olddata) == IPC_M_CLONE_ESTABLISH) { 228 228 phone_t *phone = (phone_t *) IPC_GET_ARG5(*olddata); 229 229 … … 459 459 break; 460 460 } 461 case IPC_M_C ONNECT_ME:461 case IPC_M_CLONE_ESTABLISH: 462 462 IPC_SET_ARG5(call->data, (sysarg_t) phone); 463 463 break; -
kernel/generic/src/lib/func.c
r2cc7f16 rc6588ce 53 53 void halt() 54 54 { 55 #if def CONFIG_DEBUG55 #if (defined(CONFIG_DEBUG)) && (defined(CONFIG_KCONSOLE)) 56 56 bool rundebugger = false; 57 57 -
kernel/generic/src/lib/str.c
r2cc7f16 rc6588ce 111 111 #include <debug.h> 112 112 #include <macros.h> 113 114 /** Check the condition if wchar_t is signed */ 115 #ifdef WCHAR_IS_UNSIGNED 116 #define WCHAR_SIGNED_CHECK(cond) (true) 117 #else 118 #define WCHAR_SIGNED_CHECK(cond) (cond) 119 #endif 113 120 114 121 /** Byte mask consisting of lowest @n bits (out of 8) */ … … 206 213 * 207 214 * @return EOK if the character was encoded successfully, EOVERFLOW if there 208 * was not enough space in the output buffer or EINVAL if the character209 * code was invalid.210 */ 211 int chr_encode( wchar_t ch, char *str, size_t *offset, size_t size)215 * was not enough space in the output buffer or EINVAL if the character 216 * code was invalid. 217 */ 218 int chr_encode(const wchar_t ch, char *str, size_t *offset, size_t size) 212 219 { 213 220 if (*offset >= size) … … 427 434 bool ascii_check(wchar_t ch) 428 435 { 429 if ( (ch >= 0) && (ch <= 127))436 if (WCHAR_SIGNED_CHECK(ch >= 0) && (ch <= 127)) 430 437 return true; 431 438 … … 440 447 bool chr_check(wchar_t ch) 441 448 { 442 if ( (ch >= 0) && (ch <= 1114111))449 if (WCHAR_SIGNED_CHECK(ch >= 0) && (ch <= 1114111)) 443 450 return true; 444 451 … … 893 900 * 894 901 */ 895 int str_uint64 (const char *nptr, char **endptr, unsigned int base,902 int str_uint64_t(const char *nptr, char **endptr, unsigned int base, 896 903 bool strict, uint64_t *result) 897 904 { -
kernel/generic/src/main/main.c
r2cc7f16 rc6588ce 221 221 frame_init(); 222 222 slab_cache_init(); 223 ra_init(); 223 ra_init(); 224 224 sysinfo_init(); 225 225 btree_init(); … … 257 257 for (i = 0; i < init.cnt; i++) 258 258 LOG("init[%zu].addr=%p, init[%zu].size=%zu", 259 i, (void *) init.tasks[i]. addr, i, init.tasks[i].size);259 i, (void *) init.tasks[i].paddr, i, init.tasks[i].size); 260 260 } else 261 261 printf("No init binaries found.\n"); -
kernel/generic/src/main/version.c
r2cc7f16 rc6588ce 38 38 39 39 static const char *project = "SPARTAN kernel"; 40 static const char *copyright = "Copyright (c) 2001-2011 HelenOS project";40 static const char *copyright = STRING(COPYRIGHT); 41 41 static const char *release = STRING(RELEASE); 42 42 static const char *name = STRING(NAME); -
kernel/generic/src/mm/page.c
r2cc7f16 rc6588ce 168 168 int page_find_mapping(uintptr_t virt, void **phys) 169 169 { 170 mutex_lock(&AS->lock);170 page_table_lock(AS, true); 171 171 172 172 pte_t *pte = page_mapping_find(AS, virt, false); 173 173 if ((!PTE_VALID(pte)) || (!PTE_PRESENT(pte))) { 174 mutex_unlock(&AS->lock);174 page_table_unlock(AS, true); 175 175 return ENOENT; 176 176 } … … 179 179 (virt - ALIGN_DOWN(virt, PAGE_SIZE)); 180 180 181 mutex_unlock(&AS->lock);181 page_table_unlock(AS, true); 182 182 183 183 return EOK; -
kernel/generic/src/printf/printf_core.c
r2cc7f16 rc6588ce 284 284 /* Print leading spaces. */ 285 285 size_t strw = str_length(str); 286 if ( precision == 0)286 if ((precision == 0) || (precision > strw)) 287 287 precision = strw; 288 288 … … 332 332 /* Print leading spaces. */ 333 333 size_t strw = wstr_length(str); 334 if ( precision == 0)334 if ((precision == 0) || (precision > strw)) 335 335 precision = strw; 336 336 -
kernel/generic/src/syscall/syscall.c
r2cc7f16 rc6588ce 184 184 185 185 /* Sysinfo syscalls. */ 186 (syshandler_t) sys_sysinfo_get_keys_size, 187 (syshandler_t) sys_sysinfo_get_keys, 186 188 (syshandler_t) sys_sysinfo_get_val_type, 187 189 (syshandler_t) sys_sysinfo_get_value, -
kernel/generic/src/sysinfo/stats.c
r2cc7f16 rc6588ce 83 83 * 84 84 * @param item Sysinfo item (unused). 85 * @param data Unused. 85 86 * 86 87 * @return System uptime (in secords). 87 88 * 88 89 */ 89 static sysarg_t get_stats_uptime(struct sysinfo_item *item )90 static sysarg_t get_stats_uptime(struct sysinfo_item *item, void *data) 90 91 { 91 92 /* This doesn't have to be very accurate */ … … 98 99 * @param size Size of the returned data. 99 100 * @param dry_run Do not get the data, just calculate the size. 101 * @param data Unused. 100 102 * 101 103 * @return Data containing several stats_cpu_t structures. … … 104 106 */ 105 107 static void *get_stats_cpus(struct sysinfo_item *item, size_t *size, 106 bool dry_run )108 bool dry_run, void *data) 107 109 { 108 110 *size = sizeof(stats_cpu_t) * config.cpu_count; … … 249 251 ASSERT(interrupts_disabled()); 250 252 ASSERT(irq_spinlock_locked(&task->lock)); 251 253 252 254 stats_task->task_id = task->taskid; 253 255 str_cpy(stats_task->name, TASK_NAME_BUFLEN, task->name); … … 293 295 * @param size Size of the returned data. 294 296 * @param dry_run Do not get the data, just calculate the size. 297 * @param data Unused. 295 298 * 296 299 * @return Data containing several stats_task_t structures. … … 299 302 */ 300 303 static void *get_stats_tasks(struct sysinfo_item *item, size_t *size, 301 bool dry_run )304 bool dry_run, void *data) 302 305 { 303 306 /* Messing with task structures, avoid deadlock */ … … 350 353 ASSERT(interrupts_disabled()); 351 354 ASSERT(irq_spinlock_locked(&thread->lock)); 352 355 353 356 stats_thread->thread_id = thread->tid; 354 357 stats_thread->task_id = thread->task->taskid; … … 398 401 * @param size Size of the returned data. 399 402 * @param dry_run Do not get the data, just calculate the size. 403 * @param data Unused. 400 404 * 401 405 * @return Data containing several stats_task_t structures. … … 404 408 */ 405 409 static void *get_stats_threads(struct sysinfo_item *item, size_t *size, 406 bool dry_run )410 bool dry_run, void *data) 407 411 { 408 412 /* Messing with threads structures, avoid deadlock */ … … 451 455 * @param name Task ID (string-encoded number). 452 456 * @param dry_run Do not get the data, just calculate the size. 457 * @param data Unused. 453 458 * 454 459 * @return Sysinfo return holder. The type of the returned … … 460 465 * 461 466 */ 462 static sysinfo_return_t get_stats_task(const char *name, bool dry_run) 467 static sysinfo_return_t get_stats_task(const char *name, bool dry_run, 468 void *data) 463 469 { 464 470 /* Initially no return value */ … … 468 474 /* Parse the task ID */ 469 475 task_id_t task_id; 470 if (str_uint64 (name, NULL, 0, true, &task_id) != EOK)476 if (str_uint64_t(name, NULL, 0, true, &task_id) != EOK) 471 477 return ret; 472 478 … … 520 526 * @param name Thread ID (string-encoded number). 521 527 * @param dry_run Do not get the data, just calculate the size. 528 * @param data Unused. 522 529 * 523 530 * @return Sysinfo return holder. The type of the returned … … 529 536 * 530 537 */ 531 static sysinfo_return_t get_stats_thread(const char *name, bool dry_run) 538 static sysinfo_return_t get_stats_thread(const char *name, bool dry_run, 539 void *data) 532 540 { 533 541 /* Initially no return value */ … … 537 545 /* Parse the thread ID */ 538 546 thread_id_t thread_id; 539 if (str_uint64 (name, NULL, 0, true, &thread_id) != EOK)547 if (str_uint64_t(name, NULL, 0, true, &thread_id) != EOK) 540 548 return ret; 541 549 … … 586 594 * @param size Size of the returned data. 587 595 * @param dry_run Do not get the data, just calculate the size. 596 * @param data Unused. 588 597 * 589 598 * @return Data containing several stats_exc_t structures. … … 592 601 */ 593 602 static void *get_stats_exceptions(struct sysinfo_item *item, size_t *size, 594 bool dry_run )603 bool dry_run, void *data) 595 604 { 596 605 *size = sizeof(stats_exc_t) * IVT_ITEMS; … … 634 643 * @param name Exception number (string-encoded number). 635 644 * @param dry_run Do not get the data, just calculate the size. 645 * @param data Unused. 636 646 * 637 647 * @return Sysinfo return holder. The type of the returned … … 643 653 * 644 654 */ 645 static sysinfo_return_t get_stats_exception(const char *name, bool dry_run) 655 static sysinfo_return_t get_stats_exception(const char *name, bool dry_run, 656 void *data) 646 657 { 647 658 /* Initially no return value */ … … 651 662 /* Parse the exception number */ 652 663 uint64_t excn; 653 if (str_uint64 (name, NULL, 0, true, &excn) != EOK)664 if (str_uint64_t(name, NULL, 0, true, &excn) != EOK) 654 665 return ret; 655 666 … … 705 716 * @param size Size of the returned data. 706 717 * @param dry_run Do not get the data, just calculate the size. 718 * @param data Unused. 707 719 * 708 720 * @return Data containing stats_physmem_t. … … 711 723 */ 712 724 static void *get_stats_physmem(struct sysinfo_item *item, size_t *size, 713 bool dry_run )725 bool dry_run, void *data) 714 726 { 715 727 *size = sizeof(stats_physmem_t); … … 735 747 * @param size Size of the returned data. 736 748 * @param dry_run Do not get the data, just calculate the size. 749 * @param data Unused. 737 750 * 738 751 * @return Data several load_t values. … … 741 754 */ 742 755 static void *get_stats_load(struct sysinfo_item *item, size_t *size, 743 bool dry_run )756 bool dry_run, void *data) 744 757 { 745 758 *size = sizeof(load_t) * LOAD_STEPS; … … 810 823 mutex_initialize(&load_lock, MUTEX_PASSIVE); 811 824 812 sysinfo_set_item_ fn_val("system.uptime", NULL, get_stats_uptime);813 sysinfo_set_item_ fn_data("system.cpus", NULL, get_stats_cpus);814 sysinfo_set_item_ fn_data("system.physmem", NULL, get_stats_physmem);815 sysinfo_set_item_ fn_data("system.load", NULL, get_stats_load);816 sysinfo_set_item_ fn_data("system.tasks", NULL, get_stats_tasks);817 sysinfo_set_item_ fn_data("system.threads", NULL, get_stats_threads);818 sysinfo_set_item_ fn_data("system.exceptions", NULL, get_stats_exceptions);819 sysinfo_set_subtree_fn("system.tasks", NULL, get_stats_task );820 sysinfo_set_subtree_fn("system.threads", NULL, get_stats_thread );821 sysinfo_set_subtree_fn("system.exceptions", NULL, get_stats_exception );825 sysinfo_set_item_gen_val("system.uptime", NULL, get_stats_uptime, NULL); 826 sysinfo_set_item_gen_data("system.cpus", NULL, get_stats_cpus, NULL); 827 sysinfo_set_item_gen_data("system.physmem", NULL, get_stats_physmem, NULL); 828 sysinfo_set_item_gen_data("system.load", NULL, get_stats_load, NULL); 829 sysinfo_set_item_gen_data("system.tasks", NULL, get_stats_tasks, NULL); 830 sysinfo_set_item_gen_data("system.threads", NULL, get_stats_threads, NULL); 831 sysinfo_set_item_gen_data("system.exceptions", NULL, get_stats_exceptions, NULL); 832 sysinfo_set_subtree_fn("system.tasks", NULL, get_stats_task, NULL); 833 sysinfo_set_subtree_fn("system.threads", NULL, get_stats_thread, NULL); 834 sysinfo_set_subtree_fn("system.exceptions", NULL, get_stats_exception, NULL); 822 835 } 823 836 -
kernel/generic/src/sysinfo/sysinfo.c
r2cc7f16 rc6588ce 1 1 /* 2 2 * Copyright (c) 2006 Jakub Vana 3 * Copyright (c) 2012 Martin Decky 3 4 * All rights reserved. 4 5 * … … 99 100 sizeof(sysinfo_item_t), 0, sysinfo_item_constructor, 100 101 sysinfo_item_destructor, SLAB_CACHE_MAGDEFERRED); 101 102 102 103 mutex_initialize(&sysinfo_lock, MUTEX_ACTIVE); 103 104 } … … 110 111 * @param subtree Current sysinfo (sub)tree root item. 111 112 * @param ret If the return value is NULL, this argument 112 * can be either also NULL (i.e. no item was113 * can be set either to NULL (i.e. no item was 113 114 * found and no data was generated) or the 114 115 * original pointer is used to store the value … … 125 126 { 126 127 ASSERT(subtree != NULL); 127 ASSERT(ret != NULL);128 128 129 129 sysinfo_item_t *cur = subtree; … … 151 151 case SYSINFO_SUBTREE_FUNCTION: 152 152 /* Get generated data */ 153 **ret = cur->subtree.get_data(name + i + 1, dry_run); 153 if (ret != NULL) 154 **ret = cur->subtree.generator.fn(name + i + 1, 155 dry_run, cur->subtree.generator.data); 156 154 157 return NULL; 155 158 default: 156 159 /* Not found, no data generated */ 157 *ret = NULL; 160 if (ret != NULL) 161 *ret = NULL; 162 158 163 return NULL; 159 164 } … … 164 169 165 170 /* Not found, no data generated */ 166 *ret = NULL; 171 if (ret != NULL) 172 *ret = NULL; 173 167 174 return NULL; 168 175 } … … 352 359 * a new root item (NULL for global sysinfo root). 353 360 * @param fn Numeric value generator function. 354 * 355 */ 356 void sysinfo_set_item_fn_val(const char *name, sysinfo_item_t **root, 357 sysinfo_fn_val_t fn) 361 * @param data Private data. 362 * 363 */ 364 void sysinfo_set_item_gen_val(const char *name, sysinfo_item_t **root, 365 sysinfo_fn_val_t fn, void *data) 358 366 { 359 367 /* Protect sysinfo tree consistency */ … … 366 374 if (item != NULL) { 367 375 item->val_type = SYSINFO_VAL_FUNCTION_VAL; 368 item->val.fn_val = fn; 376 item->val.gen_val.fn = fn; 377 item->val.gen_val.data = data; 369 378 } 370 379 … … 383 392 * a new root item (NULL for global sysinfo root). 384 393 * @param fn Binary data generator function. 385 * 386 */ 387 void sysinfo_set_item_fn_data(const char *name, sysinfo_item_t **root, 388 sysinfo_fn_data_t fn) 394 * @param data Private data. 395 * 396 */ 397 void sysinfo_set_item_gen_data(const char *name, sysinfo_item_t **root, 398 sysinfo_fn_data_t fn, void *data) 389 399 { 390 400 /* Protect sysinfo tree consistency */ … … 397 407 if (item != NULL) { 398 408 item->val_type = SYSINFO_VAL_FUNCTION_DATA; 399 item->val.fn_data = fn; 409 item->val.gen_data.fn = fn; 410 item->val.gen_data.data = data; 400 411 } 401 412 … … 431 442 * a new root item (NULL for global sysinfo root). 432 443 * @param fn Subtree generator function. 444 * @param data Private data to be passed to the generator. 433 445 * 434 446 */ 435 447 void sysinfo_set_subtree_fn(const char *name, sysinfo_item_t **root, 436 sysinfo_fn_subtree_t fn )448 sysinfo_fn_subtree_t fn, void *data) 437 449 { 438 450 /* Protect sysinfo tree consistency */ … … 448 460 if ((item != NULL) && (item->subtree_type != SYSINFO_SUBTREE_TABLE)) { 449 461 item->subtree_type = SYSINFO_SUBTREE_FUNCTION; 450 item->subtree.get_data = fn; 462 item->subtree.generator.fn = fn; 463 item->subtree.generator.data = data; 451 464 } 452 465 … … 456 469 /** Sysinfo dump indentation helper routine 457 470 * 458 * @param depth Number of indentation characters to print. 459 * 460 */ 461 NO_TRACE static void sysinfo_indent(unsigned int depth) 462 { 463 unsigned int i; 464 for (i = 0; i < depth; i++) 465 printf(" "); 471 * @param depth Number of spaces to print. 472 * 473 */ 474 NO_TRACE static void sysinfo_indent(size_t spaces) 475 { 476 for (size_t i = 0; i < spaces; i++) 477 printf(" "); 466 478 } 467 479 … … 470 482 * Should be called with sysinfo_lock held. 471 483 * 472 * @param root Root item of the current (sub)tree. 473 * @param depth Current depth in the sysinfo tree. 474 * 475 */ 476 NO_TRACE static void sysinfo_dump_internal(sysinfo_item_t *root, unsigned int depth) 477 { 478 sysinfo_item_t *cur = root; 479 484 * @param root Root item of the current (sub)tree. 485 * @param spaces Current indentation level. 486 * 487 */ 488 NO_TRACE static void sysinfo_dump_internal(sysinfo_item_t *root, size_t spaces) 489 { 480 490 /* Walk all siblings */ 481 while (cur != NULL) { 482 sysinfo_indent(depth); 491 for (sysinfo_item_t *cur = root; cur; cur = cur->next) { 492 size_t length; 493 494 if (spaces == 0) { 495 printf("%s", cur->name); 496 length = str_length(cur->name); 497 } else { 498 sysinfo_indent(spaces); 499 printf(".%s", cur->name); 500 length = str_length(cur->name) + 1; 501 } 483 502 484 503 sysarg_t val; … … 488 507 switch (cur->val_type) { 489 508 case SYSINFO_VAL_UNDEFINED: 490 printf(" + %s\n", cur->name);509 printf(" [undefined]\n"); 491 510 break; 492 511 case SYSINFO_VAL_VAL: 493 printf(" + %s -> %" PRIun" (%#" PRIxn ")\n", cur->name,494 cur->val.val , cur->val.val);512 printf(" -> %" PRIun" (%#" PRIxn ")\n", cur->val.val, 513 cur->val.val); 495 514 break; 496 515 case SYSINFO_VAL_DATA: 497 printf("+ %s (%zu bytes)\n", cur->name, 498 cur->val.data.size); 516 printf(" (%zu bytes)\n", cur->val.data.size); 499 517 break; 500 518 case SYSINFO_VAL_FUNCTION_VAL: 501 val = cur->val. fn_val(cur);502 printf(" + %s -> %" PRIun" (%#" PRIxn ") [generated]\n",503 cur->name, val,val);519 val = cur->val.gen_val.fn(cur, cur->val.gen_val.data); 520 printf(" -> %" PRIun" (%#" PRIxn ") [generated]\n", val, 521 val); 504 522 break; 505 523 case SYSINFO_VAL_FUNCTION_DATA: 506 524 /* N.B.: No data was actually returned (only a dry run) */ 507 (void) cur->val. fn_data(cur, &size, true);508 printf("+ %s (%zu bytes) [generated]\n", cur->name,509 size);525 (void) cur->val.gen_data.fn(cur, &size, true, 526 cur->val.gen_data.data); 527 printf(" (%zu bytes) [generated]\n", size); 510 528 break; 511 529 default: … … 518 536 break; 519 537 case SYSINFO_SUBTREE_TABLE: 520 sysinfo_dump_internal(cur->subtree.table, depth + 1);538 sysinfo_dump_internal(cur->subtree.table, spaces + length); 521 539 break; 522 540 case SYSINFO_SUBTREE_FUNCTION: 523 sysinfo_indent( depth + 1);524 printf(" + [generated subtree]\n");541 sysinfo_indent(spaces + length); 542 printf("<generated subtree>\n"); 525 543 break; 526 544 default: 527 sysinfo_indent( depth + 1);528 printf(" + [unknown subtree]\n");545 sysinfo_indent(spaces + length); 546 printf("<unknown subtree>\n"); 529 547 } 530 531 cur = cur->next;532 548 } 533 549 } … … 594 610 break; 595 611 case SYSINFO_VAL_FUNCTION_VAL: 596 ret.val = item->val. fn_val(item);612 ret.val = item->val.gen_val.fn(item, item->val.gen_val.data); 597 613 break; 598 614 case SYSINFO_VAL_FUNCTION_DATA: 599 ret.data.data = item->val. fn_data(item, &ret.data.size,600 dry_run );615 ret.data.data = item->val.gen_data.fn(item, &ret.data.size, 616 dry_run, item->val.gen_data.data); 601 617 break; 602 618 } … … 635 651 ASSERT(path); 636 652 637 if ((copy_from_uspace(path, ptr, size + 1) == 0) 638 &&(path[size] == 0)) {653 if ((copy_from_uspace(path, ptr, size + 1) == 0) && 654 (path[size] == 0)) { 639 655 /* 640 656 * Prevent other functions from messing with sysinfo while we … … 645 661 mutex_unlock(&sysinfo_lock); 646 662 } 663 647 664 free(path); 648 665 return ret; 666 } 667 668 /** Return sysinfo keys determined by name 669 * 670 * Should be called with sysinfo_lock held. 671 * 672 * @param name Sysinfo path. 673 * @param root Root item of the sysinfo (sub)tree. 674 * If it is NULL then consider the global 675 * sysinfo tree. 676 * @param dry_run Do not actually get any generated 677 * binary data, just calculate the size. 678 * 679 * @return Item value (constant or generated). 680 * 681 */ 682 NO_TRACE static sysinfo_return_t sysinfo_get_keys(const char *name, 683 sysinfo_item_t **root, bool dry_run) 684 { 685 if (root == NULL) 686 root = &global_root; 687 688 sysinfo_item_t *subtree = NULL; 689 690 if (name[0] != 0) { 691 /* Try to find the item */ 692 sysinfo_item_t *item = 693 sysinfo_find_item(name, *root, NULL, dry_run); 694 if ((item != NULL) && 695 (item->subtree_type == SYSINFO_SUBTREE_TABLE)) 696 subtree = item->subtree.table; 697 } else 698 subtree = *root; 699 700 sysinfo_return_t ret; 701 702 if (subtree != NULL) { 703 /* 704 * Calculate the size of subkeys. 705 */ 706 size_t size = 0; 707 for (sysinfo_item_t *cur = subtree; cur; cur = cur->next) 708 size += str_size(cur->name) + 1; 709 710 if (dry_run) { 711 ret.tag = SYSINFO_VAL_DATA; 712 ret.data.data = NULL; 713 ret.data.size = size; 714 } else { 715 /* Allocate buffer for subkeys */ 716 char *names = (char *) malloc(size, FRAME_ATOMIC); 717 if (names == NULL) 718 return ret; 719 720 size_t pos = 0; 721 for (sysinfo_item_t *cur = subtree; cur; cur = cur->next) { 722 str_cpy(names + pos, size - pos, cur->name); 723 pos += str_size(cur->name) + 1; 724 } 725 726 /* Correct return value */ 727 ret.tag = SYSINFO_VAL_DATA; 728 ret.data.data = (void *) names; 729 ret.data.size = size; 730 } 731 } else { 732 /* No item in the fixed sysinfo tree */ 733 ret.tag = SYSINFO_VAL_UNDEFINED; 734 } 735 736 return ret; 737 } 738 739 /** Return sysinfo keys determined by name from user space 740 * 741 * The path string passed from the user space has to be properly 742 * null-terminated (the last passed character must be null). 743 * 744 * @param ptr Sysinfo path in the user address space. 745 * @param size Size of the path string. 746 * @param dry_run Do not actually get any generated 747 * binary data, just calculate the size. 748 * 749 */ 750 NO_TRACE static sysinfo_return_t sysinfo_get_keys_uspace(void *ptr, size_t size, 751 bool dry_run) 752 { 753 sysinfo_return_t ret; 754 ret.tag = SYSINFO_VAL_UNDEFINED; 755 756 if (size > SYSINFO_MAX_PATH) 757 return ret; 758 759 char *path = (char *) malloc(size + 1, 0); 760 ASSERT(path); 761 762 if ((copy_from_uspace(path, ptr, size + 1) == 0) && 763 (path[size] == 0)) { 764 /* 765 * Prevent other functions from messing with sysinfo while we 766 * are reading it. 767 */ 768 mutex_lock(&sysinfo_lock); 769 ret = sysinfo_get_keys(path, NULL, dry_run); 770 mutex_unlock(&sysinfo_lock); 771 } 772 773 free(path); 774 return ret; 775 } 776 777 /** Get the sysinfo keys size (syscall) 778 * 779 * The path string passed from the user space has 780 * to be properly null-terminated (the last passed 781 * character must be null). 782 * 783 * @param path_ptr Sysinfo path in the user address space. 784 * @param path_size Size of the path string. 785 * @param size_ptr User space pointer where to store the 786 * keys size. 787 * 788 * @return Error code (EOK in case of no error). 789 * 790 */ 791 sysarg_t sys_sysinfo_get_keys_size(void *path_ptr, size_t path_size, 792 void *size_ptr) 793 { 794 int rc; 795 796 /* 797 * Get the keys. 798 * 799 * N.B.: There is no need to free any potential keys 800 * since we request a dry run. 801 */ 802 sysinfo_return_t ret = 803 sysinfo_get_keys_uspace(path_ptr, path_size, true); 804 805 /* Check return data tag */ 806 if (ret.tag == SYSINFO_VAL_DATA) 807 rc = copy_to_uspace(size_ptr, &ret.data.size, 808 sizeof(ret.data.size)); 809 else 810 rc = EINVAL; 811 812 return (sysarg_t) rc; 813 } 814 815 /** Get the sysinfo keys (syscall) 816 * 817 * The path string passed from the user space has 818 * to be properly null-terminated (the last passed 819 * character must be null). 820 * 821 * If the user space buffer size does not equal 822 * the actual size of the returned data, the data 823 * is truncated. 824 * 825 * The actual size of data returned is stored to 826 * size_ptr. 827 * 828 * @param path_ptr Sysinfo path in the user address space. 829 * @param path_size Size of the path string. 830 * @param buffer_ptr User space pointer to the buffer where 831 * to store the binary data. 832 * @param buffer_size User space buffer size. 833 * @param size_ptr User space pointer where to store the 834 * binary data size. 835 * 836 * @return Error code (EOK in case of no error). 837 * 838 */ 839 sysarg_t sys_sysinfo_get_keys(void *path_ptr, size_t path_size, 840 void *buffer_ptr, size_t buffer_size, size_t *size_ptr) 841 { 842 int rc; 843 844 /* Get the keys */ 845 sysinfo_return_t ret = sysinfo_get_keys_uspace(path_ptr, path_size, 846 false); 847 848 /* Check return data tag */ 849 if (ret.tag == SYSINFO_VAL_DATA) { 850 size_t size = min(ret.data.size, buffer_size); 851 rc = copy_to_uspace(buffer_ptr, ret.data.data, size); 852 if (rc == EOK) 853 rc = copy_to_uspace(size_ptr, &size, sizeof(size)); 854 855 free(ret.data.data); 856 } else 857 rc = EINVAL; 858 859 return (sysarg_t) rc; 649 860 } 650 861 … … 672 883 673 884 /* 674 * Map generated value types to constant types (user space does not care675 * whether the value is constant or generated).885 * Map generated value types to constant types (user space does 886 * not care whether the value is constant or generated). 676 887 */ 677 888 if (ret.tag == SYSINFO_VAL_FUNCTION_VAL) … … 701 912 { 702 913 int rc; 703 914 704 915 /* 705 916 * Get the item. 706 917 * 707 * N.B.: There is no need to free any potential generated binary data708 * since we request a dry run.918 * N.B.: There is no need to free any potential generated binary 919 * data since we request a dry run. 709 920 */ 710 921 sysinfo_return_t ret = sysinfo_get_item_uspace(path_ptr, path_size, true); … … 741 952 * Get the item. 742 953 * 743 * N.B.: There is no need to free any potential generated binary data744 * since we request a dry run.954 * N.B.: There is no need to free any potential generated binary 955 * data since we request a dry run. 745 956 */ 746 957 sysinfo_return_t ret = sysinfo_get_item_uspace(path_ptr, path_size, true);
Note:
See TracChangeset
for help on using the changeset viewer.
