1 /* 2 * (C) Copyright 2000 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * Add to readline cmdline-editing by 6 * (C) Copyright 2005 7 * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com> 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 /* #define DEBUG */ 13 14 #include <common.h> 15 #include <cli.h> 16 #include <command.h> 17 #include <fdtdec.h> 18 #include <cli_hush.h> 19 #include <malloc.h> 20 #include <menu.h> 21 #include <post.h> 22 #include <version.h> 23 #include <watchdog.h> 24 #include <linux/ctype.h> 25 26 DECLARE_GLOBAL_DATA_PTR; 27 28 /* 29 * Board-specific Platform code can reimplement show_boot_progress () if needed 30 */ 31 void inline __show_boot_progress (int val) {} 32 void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress"))); 33 34 #define MAX_DELAY_STOP_STR 32 35 36 #define DEBUG_PARSER 0 /* set to 1 to debug */ 37 38 #define debug_parser(fmt, args...) \ 39 debug_cond(DEBUG_PARSER, fmt, ##args) 40 41 #ifndef DEBUG_BOOTKEYS 42 #define DEBUG_BOOTKEYS 0 43 #endif 44 #define debug_bootkeys(fmt, args...) \ 45 debug_cond(DEBUG_BOOTKEYS, fmt, ##args) 46 47 char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */ 48 49 static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen); 50 static const char erase_seq[] = "\b \b"; /* erase sequence */ 51 static const char tab_seq[] = " "; /* used to expand TABs */ 52 53 #ifdef CONFIG_BOOT_RETRY_TIME 54 static uint64_t endtime = 0; /* must be set, default is instant timeout */ 55 static int retry_time = -1; /* -1 so can call readline before main_loop */ 56 #endif 57 58 #define endtick(seconds) (get_ticks() + (uint64_t)(seconds) * get_tbclk()) 59 60 #ifndef CONFIG_BOOT_RETRY_MIN 61 #define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME 62 #endif 63 64 #ifdef CONFIG_MODEM_SUPPORT 65 int do_mdm_init = 0; 66 extern void mdm_init(void); /* defined in board.c */ 67 #endif 68 69 /*************************************************************************** 70 * Watch for 'delay' seconds for autoboot stop or autoboot delay string. 71 * returns: 0 - no key string, allow autoboot 1 - got key string, abort 72 */ 73 #if defined(CONFIG_BOOTDELAY) 74 # if defined(CONFIG_AUTOBOOT_KEYED) 75 static int abortboot_keyed(int bootdelay) 76 { 77 int abort = 0; 78 uint64_t etime = endtick(bootdelay); 79 struct { 80 char* str; 81 u_int len; 82 int retry; 83 } 84 delaykey [] = { 85 { str: getenv ("bootdelaykey"), retry: 1 }, 86 { str: getenv ("bootdelaykey2"), retry: 1 }, 87 { str: getenv ("bootstopkey"), retry: 0 }, 88 { str: getenv ("bootstopkey2"), retry: 0 }, 89 }; 90 91 char presskey [MAX_DELAY_STOP_STR]; 92 u_int presskey_len = 0; 93 u_int presskey_max = 0; 94 u_int i; 95 96 #ifndef CONFIG_ZERO_BOOTDELAY_CHECK 97 if (bootdelay == 0) 98 return 0; 99 #endif 100 101 # ifdef CONFIG_AUTOBOOT_PROMPT 102 printf(CONFIG_AUTOBOOT_PROMPT); 103 # endif 104 105 # ifdef CONFIG_AUTOBOOT_DELAY_STR 106 if (delaykey[0].str == NULL) 107 delaykey[0].str = CONFIG_AUTOBOOT_DELAY_STR; 108 # endif 109 # ifdef CONFIG_AUTOBOOT_DELAY_STR2 110 if (delaykey[1].str == NULL) 111 delaykey[1].str = CONFIG_AUTOBOOT_DELAY_STR2; 112 # endif 113 # ifdef CONFIG_AUTOBOOT_STOP_STR 114 if (delaykey[2].str == NULL) 115 delaykey[2].str = CONFIG_AUTOBOOT_STOP_STR; 116 # endif 117 # ifdef CONFIG_AUTOBOOT_STOP_STR2 118 if (delaykey[3].str == NULL) 119 delaykey[3].str = CONFIG_AUTOBOOT_STOP_STR2; 120 # endif 121 122 for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { 123 delaykey[i].len = delaykey[i].str == NULL ? 124 0 : strlen (delaykey[i].str); 125 delaykey[i].len = delaykey[i].len > MAX_DELAY_STOP_STR ? 126 MAX_DELAY_STOP_STR : delaykey[i].len; 127 128 presskey_max = presskey_max > delaykey[i].len ? 129 presskey_max : delaykey[i].len; 130 131 debug_bootkeys("%s key:<%s>\n", 132 delaykey[i].retry ? "delay" : "stop", 133 delaykey[i].str ? delaykey[i].str : "NULL"); 134 } 135 136 /* In order to keep up with incoming data, check timeout only 137 * when catch up. 138 */ 139 do { 140 if (tstc()) { 141 if (presskey_len < presskey_max) { 142 presskey [presskey_len ++] = getc(); 143 } 144 else { 145 for (i = 0; i < presskey_max - 1; i ++) 146 presskey [i] = presskey [i + 1]; 147 148 presskey [i] = getc(); 149 } 150 } 151 152 for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { 153 if (delaykey[i].len > 0 && 154 presskey_len >= delaykey[i].len && 155 memcmp (presskey + presskey_len - delaykey[i].len, 156 delaykey[i].str, 157 delaykey[i].len) == 0) { 158 debug_bootkeys("got %skey\n", 159 delaykey[i].retry ? "delay" : 160 "stop"); 161 162 # ifdef CONFIG_BOOT_RETRY_TIME 163 /* don't retry auto boot */ 164 if (! delaykey[i].retry) 165 retry_time = -1; 166 # endif 167 abort = 1; 168 } 169 } 170 } while (!abort && get_ticks() <= etime); 171 172 if (!abort) 173 debug_bootkeys("key timeout\n"); 174 175 #ifdef CONFIG_SILENT_CONSOLE 176 if (abort) 177 gd->flags &= ~GD_FLG_SILENT; 178 #endif 179 180 return abort; 181 } 182 183 # else /* !defined(CONFIG_AUTOBOOT_KEYED) */ 184 185 #ifdef CONFIG_MENUKEY 186 static int menukey = 0; 187 #endif 188 189 static int abortboot_normal(int bootdelay) 190 { 191 int abort = 0; 192 unsigned long ts; 193 194 #ifdef CONFIG_MENUPROMPT 195 printf(CONFIG_MENUPROMPT); 196 #else 197 if (bootdelay >= 0) 198 printf("Hit any key to stop autoboot: %2d ", bootdelay); 199 #endif 200 201 #if defined CONFIG_ZERO_BOOTDELAY_CHECK 202 /* 203 * Check if key already pressed 204 * Don't check if bootdelay < 0 205 */ 206 if (bootdelay >= 0) { 207 if (tstc()) { /* we got a key press */ 208 (void) getc(); /* consume input */ 209 puts ("\b\b\b 0"); 210 abort = 1; /* don't auto boot */ 211 } 212 } 213 #endif 214 215 while ((bootdelay > 0) && (!abort)) { 216 --bootdelay; 217 /* delay 1000 ms */ 218 ts = get_timer(0); 219 do { 220 if (tstc()) { /* we got a key press */ 221 abort = 1; /* don't auto boot */ 222 bootdelay = 0; /* no more delay */ 223 # ifdef CONFIG_MENUKEY 224 menukey = getc(); 225 # else 226 (void) getc(); /* consume input */ 227 # endif 228 break; 229 } 230 udelay(10000); 231 } while (!abort && get_timer(ts) < 1000); 232 233 printf("\b\b\b%2d ", bootdelay); 234 } 235 236 putc('\n'); 237 238 #ifdef CONFIG_SILENT_CONSOLE 239 if (abort) 240 gd->flags &= ~GD_FLG_SILENT; 241 #endif 242 243 return abort; 244 } 245 # endif /* CONFIG_AUTOBOOT_KEYED */ 246 247 static int abortboot(int bootdelay) 248 { 249 #ifdef CONFIG_AUTOBOOT_KEYED 250 return abortboot_keyed(bootdelay); 251 #else 252 return abortboot_normal(bootdelay); 253 #endif 254 } 255 #endif /* CONFIG_BOOTDELAY */ 256 257 /* 258 * Runs the given boot command securely. Specifically: 259 * - Doesn't run the command with the shell (run_command or parse_string_outer), 260 * since that's a lot of code surface that an attacker might exploit. 261 * Because of this, we don't do any argument parsing--the secure boot command 262 * has to be a full-fledged u-boot command. 263 * - Doesn't check for keypresses before booting, since that could be a 264 * security hole; also disables Ctrl-C. 265 * - Doesn't allow the command to return. 266 * 267 * Upon any failures, this function will drop into an infinite loop after 268 * printing the error message to console. 269 */ 270 271 #if defined(CONFIG_BOOTDELAY) && defined(CONFIG_OF_CONTROL) 272 static void secure_boot_cmd(char *cmd) 273 { 274 cmd_tbl_t *cmdtp; 275 int rc; 276 277 if (!cmd) { 278 printf("## Error: Secure boot command not specified\n"); 279 goto err; 280 } 281 282 /* Disable Ctrl-C just in case some command is used that checks it. */ 283 disable_ctrlc(1); 284 285 /* Find the command directly. */ 286 cmdtp = find_cmd(cmd); 287 if (!cmdtp) { 288 printf("## Error: \"%s\" not defined\n", cmd); 289 goto err; 290 } 291 292 /* Run the command, forcing no flags and faking argc and argv. */ 293 rc = (cmdtp->cmd)(cmdtp, 0, 1, &cmd); 294 295 /* Shouldn't ever return from boot command. */ 296 printf("## Error: \"%s\" returned (code %d)\n", cmd, rc); 297 298 err: 299 /* 300 * Not a whole lot to do here. Rebooting won't help much, since we'll 301 * just end up right back here. Just loop. 302 */ 303 hang(); 304 } 305 306 static void process_fdt_options(const void *blob) 307 { 308 ulong addr; 309 310 /* Add an env variable to point to a kernel payload, if available */ 311 addr = fdtdec_get_config_int(gd->fdt_blob, "kernel-offset", 0); 312 if (addr) 313 setenv_addr("kernaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); 314 315 /* Add an env variable to point to a root disk, if available */ 316 addr = fdtdec_get_config_int(gd->fdt_blob, "rootdisk-offset", 0); 317 if (addr) 318 setenv_addr("rootaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); 319 } 320 #endif /* CONFIG_OF_CONTROL */ 321 322 #ifdef CONFIG_BOOTDELAY 323 static void process_boot_delay(void) 324 { 325 #ifdef CONFIG_OF_CONTROL 326 char *env; 327 #endif 328 char *s; 329 int bootdelay; 330 #ifdef CONFIG_BOOTCOUNT_LIMIT 331 unsigned long bootcount = 0; 332 unsigned long bootlimit = 0; 333 #endif /* CONFIG_BOOTCOUNT_LIMIT */ 334 335 #ifdef CONFIG_BOOTCOUNT_LIMIT 336 bootcount = bootcount_load(); 337 bootcount++; 338 bootcount_store (bootcount); 339 setenv_ulong("bootcount", bootcount); 340 bootlimit = getenv_ulong("bootlimit", 10, 0); 341 #endif /* CONFIG_BOOTCOUNT_LIMIT */ 342 343 s = getenv ("bootdelay"); 344 bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY; 345 346 #ifdef CONFIG_OF_CONTROL 347 bootdelay = fdtdec_get_config_int(gd->fdt_blob, "bootdelay", 348 bootdelay); 349 #endif 350 351 debug ("### main_loop entered: bootdelay=%d\n\n", bootdelay); 352 353 #if defined(CONFIG_MENU_SHOW) 354 bootdelay = menu_show(bootdelay); 355 #endif 356 # ifdef CONFIG_BOOT_RETRY_TIME 357 init_cmd_timeout (); 358 # endif /* CONFIG_BOOT_RETRY_TIME */ 359 360 #ifdef CONFIG_POST 361 if (gd->flags & GD_FLG_POSTFAIL) { 362 s = getenv("failbootcmd"); 363 } 364 else 365 #endif /* CONFIG_POST */ 366 #ifdef CONFIG_BOOTCOUNT_LIMIT 367 if (bootlimit && (bootcount > bootlimit)) { 368 printf ("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n", 369 (unsigned)bootlimit); 370 s = getenv ("altbootcmd"); 371 } 372 else 373 #endif /* CONFIG_BOOTCOUNT_LIMIT */ 374 s = getenv ("bootcmd"); 375 #ifdef CONFIG_OF_CONTROL 376 /* Allow the fdt to override the boot command */ 377 env = fdtdec_get_config_string(gd->fdt_blob, "bootcmd"); 378 if (env) 379 s = env; 380 381 process_fdt_options(gd->fdt_blob); 382 383 /* 384 * If the bootsecure option was chosen, use secure_boot_cmd(). 385 * Always use 'env' in this case, since bootsecure requres that the 386 * bootcmd was specified in the FDT too. 387 */ 388 if (fdtdec_get_config_int(gd->fdt_blob, "bootsecure", 0)) 389 secure_boot_cmd(env); 390 391 #endif /* CONFIG_OF_CONTROL */ 392 393 debug ("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>"); 394 395 if (bootdelay != -1 && s && !abortboot(bootdelay)) { 396 #if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) 397 int prev = disable_ctrlc(1); /* disable Control C checking */ 398 #endif 399 400 run_command_list(s, -1, 0); 401 402 #if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) 403 disable_ctrlc(prev); /* restore Control C checking */ 404 #endif 405 } 406 407 #ifdef CONFIG_MENUKEY 408 if (menukey == CONFIG_MENUKEY) { 409 s = getenv("menucmd"); 410 if (s) 411 run_command_list(s, -1, 0); 412 } 413 #endif /* CONFIG_MENUKEY */ 414 } 415 #endif /* CONFIG_BOOTDELAY */ 416 417 void main_loop(void) 418 { 419 #ifndef CONFIG_SYS_HUSH_PARSER 420 static char lastcommand[CONFIG_SYS_CBSIZE] = { 0, }; 421 int len; 422 int rc = 1; 423 int flag; 424 #endif 425 #ifdef CONFIG_PREBOOT 426 char *p; 427 #endif 428 429 bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop"); 430 431 #ifndef CONFIG_SYS_GENERIC_BOARD 432 puts("Warning: Your board does not use generic board. Please read\n"); 433 puts("doc/README.generic-board and take action. Boards not\n"); 434 puts("upgraded by the late 2014 may break or be removed.\n"); 435 #endif 436 437 #ifdef CONFIG_MODEM_SUPPORT 438 debug("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init); 439 if (do_mdm_init) { 440 char *str = strdup(getenv("mdm_cmd")); 441 setenv("preboot", str); /* set or delete definition */ 442 if (str != NULL) 443 free(str); 444 mdm_init(); /* wait for modem connection */ 445 } 446 #endif /* CONFIG_MODEM_SUPPORT */ 447 448 #ifdef CONFIG_VERSION_VARIABLE 449 { 450 setenv("ver", version_string); /* set version variable */ 451 } 452 #endif /* CONFIG_VERSION_VARIABLE */ 453 454 #ifdef CONFIG_SYS_HUSH_PARSER 455 u_boot_hush_start(); 456 #endif 457 458 #if defined(CONFIG_HUSH_INIT_VAR) 459 hush_init_var(); 460 #endif 461 462 #ifdef CONFIG_PREBOOT 463 p = getenv("preboot"); 464 if (p != NULL) { 465 # ifdef CONFIG_AUTOBOOT_KEYED 466 int prev = disable_ctrlc(1); /* disable Control C checking */ 467 # endif 468 469 run_command_list(p, -1, 0); 470 471 # ifdef CONFIG_AUTOBOOT_KEYED 472 disable_ctrlc(prev); /* restore Control C checking */ 473 # endif 474 } 475 #endif /* CONFIG_PREBOOT */ 476 477 #if defined(CONFIG_UPDATE_TFTP) 478 update_tftp(0UL); 479 #endif /* CONFIG_UPDATE_TFTP */ 480 481 #ifdef CONFIG_BOOTDELAY 482 process_boot_delay(); 483 #endif 484 /* 485 * Main Loop for Monitor Command Processing 486 */ 487 #ifdef CONFIG_SYS_HUSH_PARSER 488 parse_file_outer(); 489 /* This point is never reached */ 490 for (;;); 491 #else 492 for (;;) { 493 #ifdef CONFIG_BOOT_RETRY_TIME 494 if (rc >= 0) { 495 /* Saw enough of a valid command to 496 * restart the timeout. 497 */ 498 reset_cmd_timeout(); 499 } 500 #endif 501 len = readline (CONFIG_SYS_PROMPT); 502 503 flag = 0; /* assume no special flags for now */ 504 if (len > 0) 505 strcpy (lastcommand, console_buffer); 506 else if (len == 0) 507 flag |= CMD_FLAG_REPEAT; 508 #ifdef CONFIG_BOOT_RETRY_TIME 509 else if (len == -2) { 510 /* -2 means timed out, retry autoboot 511 */ 512 puts ("\nTimed out waiting for command\n"); 513 # ifdef CONFIG_RESET_TO_RETRY 514 /* Reinit board to run initialization code again */ 515 do_reset (NULL, 0, 0, NULL); 516 # else 517 return; /* retry autoboot */ 518 # endif 519 } 520 #endif 521 522 if (len == -1) 523 puts ("<INTERRUPT>\n"); 524 else 525 rc = run_command(lastcommand, flag); 526 527 if (rc <= 0) { 528 /* invalid command or not repeatable, forget it */ 529 lastcommand[0] = 0; 530 } 531 } 532 #endif /*CONFIG_SYS_HUSH_PARSER*/ 533 } 534 535 #ifdef CONFIG_BOOT_RETRY_TIME 536 /*************************************************************************** 537 * initialize command line timeout 538 */ 539 void init_cmd_timeout(void) 540 { 541 char *s = getenv ("bootretry"); 542 543 if (s != NULL) 544 retry_time = (int)simple_strtol(s, NULL, 10); 545 else 546 retry_time = CONFIG_BOOT_RETRY_TIME; 547 548 if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN) 549 retry_time = CONFIG_BOOT_RETRY_MIN; 550 } 551 552 /*************************************************************************** 553 * reset command line timeout to retry_time seconds 554 */ 555 void reset_cmd_timeout(void) 556 { 557 endtime = endtick(retry_time); 558 } 559 #endif 560 561 #ifdef CONFIG_CMDLINE_EDITING 562 563 /* 564 * cmdline-editing related codes from vivi. 565 * Author: Janghoon Lyu <nandy@mizi.com> 566 */ 567 568 #define putnstr(str,n) do { \ 569 printf ("%.*s", (int)n, str); \ 570 } while (0) 571 572 #define CTL_CH(c) ((c) - 'a' + 1) 573 #define CTL_BACKSPACE ('\b') 574 #define DEL ((char)255) 575 #define DEL7 ((char)127) 576 #define CREAD_HIST_CHAR ('!') 577 578 #define getcmd_putch(ch) putc(ch) 579 #define getcmd_getch() getc() 580 #define getcmd_cbeep() getcmd_putch('\a') 581 582 #define HIST_MAX 20 583 #define HIST_SIZE CONFIG_SYS_CBSIZE 584 585 static int hist_max; 586 static int hist_add_idx; 587 static int hist_cur = -1; 588 static unsigned hist_num; 589 590 static char *hist_list[HIST_MAX]; 591 static char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */ 592 593 #define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) 594 595 static void hist_init(void) 596 { 597 int i; 598 599 hist_max = 0; 600 hist_add_idx = 0; 601 hist_cur = -1; 602 hist_num = 0; 603 604 for (i = 0; i < HIST_MAX; i++) { 605 hist_list[i] = hist_lines[i]; 606 hist_list[i][0] = '\0'; 607 } 608 } 609 610 static void cread_add_to_hist(char *line) 611 { 612 strcpy(hist_list[hist_add_idx], line); 613 614 if (++hist_add_idx >= HIST_MAX) 615 hist_add_idx = 0; 616 617 if (hist_add_idx > hist_max) 618 hist_max = hist_add_idx; 619 620 hist_num++; 621 } 622 623 static char* hist_prev(void) 624 { 625 char *ret; 626 int old_cur; 627 628 if (hist_cur < 0) 629 return NULL; 630 631 old_cur = hist_cur; 632 if (--hist_cur < 0) 633 hist_cur = hist_max; 634 635 if (hist_cur == hist_add_idx) { 636 hist_cur = old_cur; 637 ret = NULL; 638 } else 639 ret = hist_list[hist_cur]; 640 641 return (ret); 642 } 643 644 static char* hist_next(void) 645 { 646 char *ret; 647 648 if (hist_cur < 0) 649 return NULL; 650 651 if (hist_cur == hist_add_idx) 652 return NULL; 653 654 if (++hist_cur > hist_max) 655 hist_cur = 0; 656 657 if (hist_cur == hist_add_idx) { 658 ret = ""; 659 } else 660 ret = hist_list[hist_cur]; 661 662 return (ret); 663 } 664 665 #ifndef CONFIG_CMDLINE_EDITING 666 static void cread_print_hist_list(void) 667 { 668 int i; 669 unsigned long n; 670 671 n = hist_num - hist_max; 672 673 i = hist_add_idx + 1; 674 while (1) { 675 if (i > hist_max) 676 i = 0; 677 if (i == hist_add_idx) 678 break; 679 printf("%s\n", hist_list[i]); 680 n++; 681 i++; 682 } 683 } 684 #endif /* CONFIG_CMDLINE_EDITING */ 685 686 #define BEGINNING_OF_LINE() { \ 687 while (num) { \ 688 getcmd_putch(CTL_BACKSPACE); \ 689 num--; \ 690 } \ 691 } 692 693 #define ERASE_TO_EOL() { \ 694 if (num < eol_num) { \ 695 printf("%*s", (int)(eol_num - num), ""); \ 696 do { \ 697 getcmd_putch(CTL_BACKSPACE); \ 698 } while (--eol_num > num); \ 699 } \ 700 } 701 702 #define REFRESH_TO_EOL() { \ 703 if (num < eol_num) { \ 704 wlen = eol_num - num; \ 705 putnstr(buf + num, wlen); \ 706 num = eol_num; \ 707 } \ 708 } 709 710 static void cread_add_char(char ichar, int insert, unsigned long *num, 711 unsigned long *eol_num, char *buf, unsigned long len) 712 { 713 unsigned long wlen; 714 715 /* room ??? */ 716 if (insert || *num == *eol_num) { 717 if (*eol_num > len - 1) { 718 getcmd_cbeep(); 719 return; 720 } 721 (*eol_num)++; 722 } 723 724 if (insert) { 725 wlen = *eol_num - *num; 726 if (wlen > 1) { 727 memmove(&buf[*num+1], &buf[*num], wlen-1); 728 } 729 730 buf[*num] = ichar; 731 putnstr(buf + *num, wlen); 732 (*num)++; 733 while (--wlen) { 734 getcmd_putch(CTL_BACKSPACE); 735 } 736 } else { 737 /* echo the character */ 738 wlen = 1; 739 buf[*num] = ichar; 740 putnstr(buf + *num, wlen); 741 (*num)++; 742 } 743 } 744 745 static void cread_add_str(char *str, int strsize, int insert, unsigned long *num, 746 unsigned long *eol_num, char *buf, unsigned long len) 747 { 748 while (strsize--) { 749 cread_add_char(*str, insert, num, eol_num, buf, len); 750 str++; 751 } 752 } 753 754 static int cread_line(const char *const prompt, char *buf, unsigned int *len, 755 int timeout) 756 { 757 unsigned long num = 0; 758 unsigned long eol_num = 0; 759 unsigned long wlen; 760 char ichar; 761 int insert = 1; 762 int esc_len = 0; 763 char esc_save[8]; 764 int init_len = strlen(buf); 765 int first = 1; 766 767 if (init_len) 768 cread_add_str(buf, init_len, 1, &num, &eol_num, buf, *len); 769 770 while (1) { 771 #ifdef CONFIG_BOOT_RETRY_TIME 772 while (!tstc()) { /* while no incoming data */ 773 if (retry_time >= 0 && get_ticks() > endtime) 774 return (-2); /* timed out */ 775 WATCHDOG_RESET(); 776 } 777 #endif 778 if (first && timeout) { 779 uint64_t etime = endtick(timeout); 780 781 while (!tstc()) { /* while no incoming data */ 782 if (get_ticks() >= etime) 783 return -2; /* timed out */ 784 WATCHDOG_RESET(); 785 } 786 first = 0; 787 } 788 789 ichar = getcmd_getch(); 790 791 if ((ichar == '\n') || (ichar == '\r')) { 792 putc('\n'); 793 break; 794 } 795 796 /* 797 * handle standard linux xterm esc sequences for arrow key, etc. 798 */ 799 if (esc_len != 0) { 800 if (esc_len == 1) { 801 if (ichar == '[') { 802 esc_save[esc_len] = ichar; 803 esc_len = 2; 804 } else { 805 cread_add_str(esc_save, esc_len, insert, 806 &num, &eol_num, buf, *len); 807 esc_len = 0; 808 } 809 continue; 810 } 811 812 switch (ichar) { 813 814 case 'D': /* <- key */ 815 ichar = CTL_CH('b'); 816 esc_len = 0; 817 break; 818 case 'C': /* -> key */ 819 ichar = CTL_CH('f'); 820 esc_len = 0; 821 break; /* pass off to ^F handler */ 822 case 'H': /* Home key */ 823 ichar = CTL_CH('a'); 824 esc_len = 0; 825 break; /* pass off to ^A handler */ 826 case 'A': /* up arrow */ 827 ichar = CTL_CH('p'); 828 esc_len = 0; 829 break; /* pass off to ^P handler */ 830 case 'B': /* down arrow */ 831 ichar = CTL_CH('n'); 832 esc_len = 0; 833 break; /* pass off to ^N handler */ 834 default: 835 esc_save[esc_len++] = ichar; 836 cread_add_str(esc_save, esc_len, insert, 837 &num, &eol_num, buf, *len); 838 esc_len = 0; 839 continue; 840 } 841 } 842 843 switch (ichar) { 844 case 0x1b: 845 if (esc_len == 0) { 846 esc_save[esc_len] = ichar; 847 esc_len = 1; 848 } else { 849 puts("impossible condition #876\n"); 850 esc_len = 0; 851 } 852 break; 853 854 case CTL_CH('a'): 855 BEGINNING_OF_LINE(); 856 break; 857 case CTL_CH('c'): /* ^C - break */ 858 *buf = '\0'; /* discard input */ 859 return (-1); 860 case CTL_CH('f'): 861 if (num < eol_num) { 862 getcmd_putch(buf[num]); 863 num++; 864 } 865 break; 866 case CTL_CH('b'): 867 if (num) { 868 getcmd_putch(CTL_BACKSPACE); 869 num--; 870 } 871 break; 872 case CTL_CH('d'): 873 if (num < eol_num) { 874 wlen = eol_num - num - 1; 875 if (wlen) { 876 memmove(&buf[num], &buf[num+1], wlen); 877 putnstr(buf + num, wlen); 878 } 879 880 getcmd_putch(' '); 881 do { 882 getcmd_putch(CTL_BACKSPACE); 883 } while (wlen--); 884 eol_num--; 885 } 886 break; 887 case CTL_CH('k'): 888 ERASE_TO_EOL(); 889 break; 890 case CTL_CH('e'): 891 REFRESH_TO_EOL(); 892 break; 893 case CTL_CH('o'): 894 insert = !insert; 895 break; 896 case CTL_CH('x'): 897 case CTL_CH('u'): 898 BEGINNING_OF_LINE(); 899 ERASE_TO_EOL(); 900 break; 901 case DEL: 902 case DEL7: 903 case 8: 904 if (num) { 905 wlen = eol_num - num; 906 num--; 907 memmove(&buf[num], &buf[num+1], wlen); 908 getcmd_putch(CTL_BACKSPACE); 909 putnstr(buf + num, wlen); 910 getcmd_putch(' '); 911 do { 912 getcmd_putch(CTL_BACKSPACE); 913 } while (wlen--); 914 eol_num--; 915 } 916 break; 917 case CTL_CH('p'): 918 case CTL_CH('n'): 919 { 920 char * hline; 921 922 esc_len = 0; 923 924 if (ichar == CTL_CH('p')) 925 hline = hist_prev(); 926 else 927 hline = hist_next(); 928 929 if (!hline) { 930 getcmd_cbeep(); 931 continue; 932 } 933 934 /* nuke the current line */ 935 /* first, go home */ 936 BEGINNING_OF_LINE(); 937 938 /* erase to end of line */ 939 ERASE_TO_EOL(); 940 941 /* copy new line into place and display */ 942 strcpy(buf, hline); 943 eol_num = strlen(buf); 944 REFRESH_TO_EOL(); 945 continue; 946 } 947 #ifdef CONFIG_AUTO_COMPLETE 948 case '\t': { 949 int num2, col; 950 951 /* do not autocomplete when in the middle */ 952 if (num < eol_num) { 953 getcmd_cbeep(); 954 break; 955 } 956 957 buf[num] = '\0'; 958 col = strlen(prompt) + eol_num; 959 num2 = num; 960 if (cmd_auto_complete(prompt, buf, &num2, &col)) { 961 col = num2 - num; 962 num += col; 963 eol_num += col; 964 } 965 break; 966 } 967 #endif 968 default: 969 cread_add_char(ichar, insert, &num, &eol_num, buf, *len); 970 break; 971 } 972 } 973 *len = eol_num; 974 buf[eol_num] = '\0'; /* lose the newline */ 975 976 if (buf[0] && buf[0] != CREAD_HIST_CHAR) 977 cread_add_to_hist(buf); 978 hist_cur = hist_add_idx; 979 980 return 0; 981 } 982 983 #endif /* CONFIG_CMDLINE_EDITING */ 984 985 /****************************************************************************/ 986 987 /* 988 * Prompt for input and read a line. 989 * If CONFIG_BOOT_RETRY_TIME is defined and retry_time >= 0, 990 * time out when time goes past endtime (timebase time in ticks). 991 * Return: number of read characters 992 * -1 if break 993 * -2 if timed out 994 */ 995 int readline (const char *const prompt) 996 { 997 /* 998 * If console_buffer isn't 0-length the user will be prompted to modify 999 * it instead of entering it from scratch as desired. 1000 */ 1001 console_buffer[0] = '\0'; 1002 1003 return readline_into_buffer(prompt, console_buffer, 0); 1004 } 1005 1006 1007 int readline_into_buffer(const char *const prompt, char *buffer, int timeout) 1008 { 1009 char *p = buffer; 1010 #ifdef CONFIG_CMDLINE_EDITING 1011 unsigned int len = CONFIG_SYS_CBSIZE; 1012 int rc; 1013 static int initted = 0; 1014 1015 /* 1016 * History uses a global array which is not 1017 * writable until after relocation to RAM. 1018 * Revert to non-history version if still 1019 * running from flash. 1020 */ 1021 if (gd->flags & GD_FLG_RELOC) { 1022 if (!initted) { 1023 hist_init(); 1024 initted = 1; 1025 } 1026 1027 if (prompt) 1028 puts (prompt); 1029 1030 rc = cread_line(prompt, p, &len, timeout); 1031 return rc < 0 ? rc : len; 1032 1033 } else { 1034 #endif /* CONFIG_CMDLINE_EDITING */ 1035 char * p_buf = p; 1036 int n = 0; /* buffer index */ 1037 int plen = 0; /* prompt length */ 1038 int col; /* output column cnt */ 1039 char c; 1040 1041 /* print prompt */ 1042 if (prompt) { 1043 plen = strlen (prompt); 1044 puts (prompt); 1045 } 1046 col = plen; 1047 1048 for (;;) { 1049 #ifdef CONFIG_BOOT_RETRY_TIME 1050 while (!tstc()) { /* while no incoming data */ 1051 if (retry_time >= 0 && get_ticks() > endtime) 1052 return (-2); /* timed out */ 1053 WATCHDOG_RESET(); 1054 } 1055 #endif 1056 WATCHDOG_RESET(); /* Trigger watchdog, if needed */ 1057 1058 #ifdef CONFIG_SHOW_ACTIVITY 1059 while (!tstc()) { 1060 show_activity(0); 1061 WATCHDOG_RESET(); 1062 } 1063 #endif 1064 c = getc(); 1065 1066 /* 1067 * Special character handling 1068 */ 1069 switch (c) { 1070 case '\r': /* Enter */ 1071 case '\n': 1072 *p = '\0'; 1073 puts ("\r\n"); 1074 return p - p_buf; 1075 1076 case '\0': /* nul */ 1077 continue; 1078 1079 case 0x03: /* ^C - break */ 1080 p_buf[0] = '\0'; /* discard input */ 1081 return -1; 1082 1083 case 0x15: /* ^U - erase line */ 1084 while (col > plen) { 1085 puts (erase_seq); 1086 --col; 1087 } 1088 p = p_buf; 1089 n = 0; 1090 continue; 1091 1092 case 0x17: /* ^W - erase word */ 1093 p=delete_char(p_buf, p, &col, &n, plen); 1094 while ((n > 0) && (*p != ' ')) { 1095 p=delete_char(p_buf, p, &col, &n, plen); 1096 } 1097 continue; 1098 1099 case 0x08: /* ^H - backspace */ 1100 case 0x7F: /* DEL - backspace */ 1101 p=delete_char(p_buf, p, &col, &n, plen); 1102 continue; 1103 1104 default: 1105 /* 1106 * Must be a normal character then 1107 */ 1108 if (n < CONFIG_SYS_CBSIZE-2) { 1109 if (c == '\t') { /* expand TABs */ 1110 #ifdef CONFIG_AUTO_COMPLETE 1111 /* if auto completion triggered just continue */ 1112 *p = '\0'; 1113 if (cmd_auto_complete(prompt, console_buffer, &n, &col)) { 1114 p = p_buf + n; /* reset */ 1115 continue; 1116 } 1117 #endif 1118 puts (tab_seq+(col&07)); 1119 col += 8 - (col&07); 1120 } else { 1121 char buf[2]; 1122 1123 /* 1124 * Echo input using puts() to force an 1125 * LCD flush if we are using an LCD 1126 */ 1127 ++col; 1128 buf[0] = c; 1129 buf[1] = '\0'; 1130 puts(buf); 1131 } 1132 *p++ = c; 1133 ++n; 1134 } else { /* Buffer full */ 1135 putc ('\a'); 1136 } 1137 } 1138 } 1139 #ifdef CONFIG_CMDLINE_EDITING 1140 } 1141 #endif 1142 } 1143 1144 /****************************************************************************/ 1145 1146 static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen) 1147 { 1148 char *s; 1149 1150 if (*np == 0) { 1151 return (p); 1152 } 1153 1154 if (*(--p) == '\t') { /* will retype the whole line */ 1155 while (*colp > plen) { 1156 puts (erase_seq); 1157 (*colp)--; 1158 } 1159 for (s=buffer; s<p; ++s) { 1160 if (*s == '\t') { 1161 puts (tab_seq+((*colp) & 07)); 1162 *colp += 8 - ((*colp) & 07); 1163 } else { 1164 ++(*colp); 1165 putc (*s); 1166 } 1167 } 1168 } else { 1169 puts (erase_seq); 1170 (*colp)--; 1171 } 1172 (*np)--; 1173 return (p); 1174 } 1175 1176 /****************************************************************************/ 1177 1178 int parse_line (char *line, char *argv[]) 1179 { 1180 int nargs = 0; 1181 1182 debug_parser("parse_line: \"%s\"\n", line); 1183 while (nargs < CONFIG_SYS_MAXARGS) { 1184 1185 /* skip any white space */ 1186 while (isblank(*line)) 1187 ++line; 1188 1189 if (*line == '\0') { /* end of line, no more args */ 1190 argv[nargs] = NULL; 1191 debug_parser("parse_line: nargs=%d\n", nargs); 1192 return nargs; 1193 } 1194 1195 argv[nargs++] = line; /* begin of argument string */ 1196 1197 /* find end of string */ 1198 while (*line && !isblank(*line)) 1199 ++line; 1200 1201 if (*line == '\0') { /* end of line, no more args */ 1202 argv[nargs] = NULL; 1203 debug_parser("parse_line: nargs=%d\n", nargs); 1204 return nargs; 1205 } 1206 1207 *line++ = '\0'; /* terminate current arg */ 1208 } 1209 1210 printf ("** Too many args (max. %d) **\n", CONFIG_SYS_MAXARGS); 1211 1212 debug_parser("parse_line: nargs=%d\n", nargs); 1213 return (nargs); 1214 } 1215 1216 /****************************************************************************/ 1217 1218 #ifndef CONFIG_SYS_HUSH_PARSER 1219 static void process_macros (const char *input, char *output) 1220 { 1221 char c, prev; 1222 const char *varname_start = NULL; 1223 int inputcnt = strlen (input); 1224 int outputcnt = CONFIG_SYS_CBSIZE; 1225 int state = 0; /* 0 = waiting for '$' */ 1226 1227 /* 1 = waiting for '(' or '{' */ 1228 /* 2 = waiting for ')' or '}' */ 1229 /* 3 = waiting for ''' */ 1230 char *output_start = output; 1231 1232 debug_parser("[PROCESS_MACROS] INPUT len %zd: \"%s\"\n", strlen(input), 1233 input); 1234 1235 prev = '\0'; /* previous character */ 1236 1237 while (inputcnt && outputcnt) { 1238 c = *input++; 1239 inputcnt--; 1240 1241 if (state != 3) { 1242 /* remove one level of escape characters */ 1243 if ((c == '\\') && (prev != '\\')) { 1244 if (inputcnt-- == 0) 1245 break; 1246 prev = c; 1247 c = *input++; 1248 } 1249 } 1250 1251 switch (state) { 1252 case 0: /* Waiting for (unescaped) $ */ 1253 if ((c == '\'') && (prev != '\\')) { 1254 state = 3; 1255 break; 1256 } 1257 if ((c == '$') && (prev != '\\')) { 1258 state++; 1259 } else { 1260 *(output++) = c; 1261 outputcnt--; 1262 } 1263 break; 1264 case 1: /* Waiting for ( */ 1265 if (c == '(' || c == '{') { 1266 state++; 1267 varname_start = input; 1268 } else { 1269 state = 0; 1270 *(output++) = '$'; 1271 outputcnt--; 1272 1273 if (outputcnt) { 1274 *(output++) = c; 1275 outputcnt--; 1276 } 1277 } 1278 break; 1279 case 2: /* Waiting for ) */ 1280 if (c == ')' || c == '}') { 1281 int i; 1282 char envname[CONFIG_SYS_CBSIZE], *envval; 1283 int envcnt = input - varname_start - 1; /* Varname # of chars */ 1284 1285 /* Get the varname */ 1286 for (i = 0; i < envcnt; i++) { 1287 envname[i] = varname_start[i]; 1288 } 1289 envname[i] = 0; 1290 1291 /* Get its value */ 1292 envval = getenv (envname); 1293 1294 /* Copy into the line if it exists */ 1295 if (envval != NULL) 1296 while ((*envval) && outputcnt) { 1297 *(output++) = *(envval++); 1298 outputcnt--; 1299 } 1300 /* Look for another '$' */ 1301 state = 0; 1302 } 1303 break; 1304 case 3: /* Waiting for ' */ 1305 if ((c == '\'') && (prev != '\\')) { 1306 state = 0; 1307 } else { 1308 *(output++) = c; 1309 outputcnt--; 1310 } 1311 break; 1312 } 1313 prev = c; 1314 } 1315 1316 if (outputcnt) 1317 *output = 0; 1318 else 1319 *(output - 1) = 0; 1320 1321 debug_parser("[PROCESS_MACROS] OUTPUT len %zd: \"%s\"\n", 1322 strlen(output_start), output_start); 1323 } 1324 1325 /**************************************************************************** 1326 * returns: 1327 * 1 - command executed, repeatable 1328 * 0 - command executed but not repeatable, interrupted commands are 1329 * always considered not repeatable 1330 * -1 - not executed (unrecognized, bootd recursion or too many args) 1331 * (If cmd is NULL or "" or longer than CONFIG_SYS_CBSIZE-1 it is 1332 * considered unrecognized) 1333 * 1334 * WARNING: 1335 * 1336 * We must create a temporary copy of the command since the command we get 1337 * may be the result from getenv(), which returns a pointer directly to 1338 * the environment data, which may change magicly when the command we run 1339 * creates or modifies environment variables (like "bootp" does). 1340 */ 1341 static int builtin_run_command(const char *cmd, int flag) 1342 { 1343 char cmdbuf[CONFIG_SYS_CBSIZE]; /* working copy of cmd */ 1344 char *token; /* start of token in cmdbuf */ 1345 char *sep; /* end of token (separator) in cmdbuf */ 1346 char finaltoken[CONFIG_SYS_CBSIZE]; 1347 char *str = cmdbuf; 1348 char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ 1349 int argc, inquotes; 1350 int repeatable = 1; 1351 int rc = 0; 1352 1353 debug_parser("[RUN_COMMAND] cmd[%p]=\"", cmd); 1354 if (DEBUG_PARSER) { 1355 /* use puts - string may be loooong */ 1356 puts(cmd ? cmd : "NULL"); 1357 puts("\"\n"); 1358 } 1359 clear_ctrlc(); /* forget any previous Control C */ 1360 1361 if (!cmd || !*cmd) { 1362 return -1; /* empty command */ 1363 } 1364 1365 if (strlen(cmd) >= CONFIG_SYS_CBSIZE) { 1366 puts ("## Command too long!\n"); 1367 return -1; 1368 } 1369 1370 strcpy (cmdbuf, cmd); 1371 1372 /* Process separators and check for invalid 1373 * repeatable commands 1374 */ 1375 1376 debug_parser("[PROCESS_SEPARATORS] %s\n", cmd); 1377 while (*str) { 1378 1379 /* 1380 * Find separator, or string end 1381 * Allow simple escape of ';' by writing "\;" 1382 */ 1383 for (inquotes = 0, sep = str; *sep; sep++) { 1384 if ((*sep=='\'') && 1385 (*(sep-1) != '\\')) 1386 inquotes=!inquotes; 1387 1388 if (!inquotes && 1389 (*sep == ';') && /* separator */ 1390 ( sep != str) && /* past string start */ 1391 (*(sep-1) != '\\')) /* and NOT escaped */ 1392 break; 1393 } 1394 1395 /* 1396 * Limit the token to data between separators 1397 */ 1398 token = str; 1399 if (*sep) { 1400 str = sep + 1; /* start of command for next pass */ 1401 *sep = '\0'; 1402 } 1403 else 1404 str = sep; /* no more commands for next pass */ 1405 debug_parser("token: \"%s\"\n", token); 1406 1407 /* find macros in this token and replace them */ 1408 process_macros (token, finaltoken); 1409 1410 /* Extract arguments */ 1411 if ((argc = parse_line (finaltoken, argv)) == 0) { 1412 rc = -1; /* no command at all */ 1413 continue; 1414 } 1415 1416 if (cmd_process(flag, argc, argv, &repeatable, NULL)) 1417 rc = -1; 1418 1419 /* Did the user stop this? */ 1420 if (had_ctrlc ()) 1421 return -1; /* if stopped then not repeatable */ 1422 } 1423 1424 return rc ? rc : repeatable; 1425 } 1426 #endif 1427 1428 /* 1429 * Run a command using the selected parser. 1430 * 1431 * @param cmd Command to run 1432 * @param flag Execution flags (CMD_FLAG_...) 1433 * @return 0 on success, or != 0 on error. 1434 */ 1435 int run_command(const char *cmd, int flag) 1436 { 1437 #ifndef CONFIG_SYS_HUSH_PARSER 1438 /* 1439 * builtin_run_command can return 0 or 1 for success, so clean up 1440 * its result. 1441 */ 1442 if (builtin_run_command(cmd, flag) == -1) 1443 return 1; 1444 1445 return 0; 1446 #else 1447 return parse_string_outer(cmd, 1448 FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); 1449 #endif 1450 } 1451 1452 #ifndef CONFIG_SYS_HUSH_PARSER 1453 /** 1454 * Execute a list of command separated by ; or \n using the built-in parser. 1455 * 1456 * This function cannot take a const char * for the command, since if it 1457 * finds newlines in the string, it replaces them with \0. 1458 * 1459 * @param cmd String containing list of commands 1460 * @param flag Execution flags (CMD_FLAG_...) 1461 * @return 0 on success, or != 0 on error. 1462 */ 1463 static int builtin_run_command_list(char *cmd, int flag) 1464 { 1465 char *line, *next; 1466 int rcode = 0; 1467 1468 /* 1469 * Break into individual lines, and execute each line; terminate on 1470 * error. 1471 */ 1472 line = next = cmd; 1473 while (*next) { 1474 if (*next == '\n') { 1475 *next = '\0'; 1476 /* run only non-empty commands */ 1477 if (*line) { 1478 debug("** exec: \"%s\"\n", line); 1479 if (builtin_run_command(line, 0) < 0) { 1480 rcode = 1; 1481 break; 1482 } 1483 } 1484 line = next + 1; 1485 } 1486 ++next; 1487 } 1488 if (rcode == 0 && *line) 1489 rcode = (builtin_run_command(line, 0) >= 0); 1490 1491 return rcode; 1492 } 1493 #endif 1494 1495 int run_command_list(const char *cmd, int len, int flag) 1496 { 1497 int need_buff = 1; 1498 char *buff = (char *)cmd; /* cast away const */ 1499 int rcode = 0; 1500 1501 if (len == -1) { 1502 len = strlen(cmd); 1503 #ifdef CONFIG_SYS_HUSH_PARSER 1504 /* hush will never change our string */ 1505 need_buff = 0; 1506 #else 1507 /* the built-in parser will change our string if it sees \n */ 1508 need_buff = strchr(cmd, '\n') != NULL; 1509 #endif 1510 } 1511 if (need_buff) { 1512 buff = malloc(len + 1); 1513 if (!buff) 1514 return 1; 1515 memcpy(buff, cmd, len); 1516 buff[len] = '\0'; 1517 } 1518 #ifdef CONFIG_SYS_HUSH_PARSER 1519 rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON); 1520 #else 1521 /* 1522 * This function will overwrite any \n it sees with a \0, which 1523 * is why it can't work with a const char *. Here we are making 1524 * using of internal knowledge of this function, to avoid always 1525 * doing a malloc() which is actually required only in a case that 1526 * is pretty rare. 1527 */ 1528 rcode = builtin_run_command_list(buff, flag); 1529 if (need_buff) 1530 free(buff); 1531 #endif 1532 1533 return rcode; 1534 } 1535 1536 /****************************************************************************/ 1537 1538 #if defined(CONFIG_CMD_RUN) 1539 int do_run (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) 1540 { 1541 int i; 1542 1543 if (argc < 2) 1544 return CMD_RET_USAGE; 1545 1546 for (i=1; i<argc; ++i) { 1547 char *arg; 1548 1549 if ((arg = getenv (argv[i])) == NULL) { 1550 printf ("## Error: \"%s\" not defined\n", argv[i]); 1551 return 1; 1552 } 1553 1554 if (run_command_list(arg, -1, flag) != 0) 1555 return 1; 1556 } 1557 return 0; 1558 } 1559 #endif 1560