apps/main.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2002 Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include "config.h"
  22
  23 #include "gcc_extensions.h"
  24 #include "storage.h"
  25 #include "disk.h"
  26 #include "fat.h"
  27 #include "lcd.h"
  28 #include "rtc.h"
  29 #include "debug.h"
  30 #include "led.h"
  31 #include "kernel.h"
  32 #include "button.h"
  33 #include "tree.h"
  34 #include "filetypes.h"
  35 #include "panic.h"
  36 #include "menu.h"
  37 #include "system.h"
  38 #include "usb.h"
  39 #include "powermgmt.h"
  40 #include "adc.h"
  41 #include "i2c.h"
  42 #ifndef DEBUG
  43 #include "serial.h"
  44 #endif
  45 #include "audio.h"
  46 #include "mp3_playback.h"
  47 #include "thread.h"
  48 #include "settings.h"
  49 #include "backlight.h"
  50 #include "status.h"
  51 #include "debug_menu.h"
  52 #include "font.h"
  53 #include "language.h"
  54 #include "wps.h"
  55 #include "playlist.h"
  56 #include "buffer.h"
  57 #include "rolo.h"
  58 #include "screens.h"
  59 #include "usb_screen.h"
  60 #include "power.h"
  61 #include "talk.h"
  62 #include "plugin.h"
  63 #include "misc.h"
  64 #include "dircache.h"
  65 #ifdef HAVE_TAGCACHE
  66 #include "tagcache.h"
  67 #include "tagtree.h"
  68 #endif
  69 #include "lang.h"
  70 #include "string.h"
  71 #include "splash.h"
  72 #include "eeprom_settings.h"
  73 #include "scrobbler.h"
  74 #include "icon.h"
  75 #include "viewport.h"
  76 #include "skin_engine/skin_engine.h"
  77 #include "statusbar-skinned.h"
  78 #include "bootchart.h"
  79 #if defined(APPLICATION) && (CONFIG_PLATFORM & PLATFORM_ANDROID)
  80 #include "notification.h"
  81 #endif
  82
  83 #ifdef IPOD_ACCESSORY_PROTOCOL
  84 #include "iap.h"
  85 #endif
  86
  87 #if (CONFIG_CODEC == SWCODEC)
  88 #include "playback.h"
  89 #include "tdspeed.h"
  90 #endif
  91 #if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
  92 #include "pcm_record.h"
  93 #endif
  94
  95 #ifdef BUTTON_REC
  96     #define SETTINGS_RESET BUTTON_REC
  97 #elif (CONFIG_KEYPAD == GIGABEAT_PAD)
  98     #define SETTINGS_RESET BUTTON_A
  99 #endif
 100
 101 #if CONFIG_TUNER
 102 #include "radio.h"
 103 #endif
 104 #if (CONFIG_STORAGE & STORAGE_MMC)
 105 #include "ata_mmc.h"
 106 #endif
 107
 108 #ifdef HAVE_REMOTE_LCD
 109 #include "lcd-remote.h"
 110 #endif
 111
 112 #if CONFIG_USBOTG == USBOTG_ISP1362
 113 #include "isp1362.h"
 114 #endif
 115
 116 #if CONFIG_USBOTG == USBOTG_M5636
 117 #include "m5636.h"
 118 #endif
 119
 120 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
 121 #define MAIN_NORETURN_ATTR NORETURN_ATTR
 122 #else
 123 /* gcc adds an implicit 'return 0;' at the end of main(), causing a warning
 124  * with noreturn attribute */
 125 #define MAIN_NORETURN_ATTR
 126 #endif
 127
 128 #if (CONFIG_PLATFORM & PLATFORM_SDL)
 129 #include "sim_tasks.h"
 130 #include "system-sdl.h"
 131 #define HAVE_ARGV_MAIN
 132 /* Don't use SDL_main on windows -> no more stdio redirection */
 133 #if defined(WIN32)
 134 #undef main
 135 #endif
 136 #endif
 137
 138 /*#define AUTOROCK*/ /* define this to check for "autostart.rock" on boot */
 139
 140 static void init(void);
 141 /* main(), and various functions called by main() and init() may be
 142  * be INIT_ATTR. These functions must not be called after the final call
 143  * to root_menu() at the end of main()
 144  * see definition of INIT_ATTR in config.h */
 145 #ifdef HAVE_ARGV_MAIN
 146 int main(int argc, char *argv[]) INIT_ATTR MAIN_NORETURN_ATTR ;
 147 int main(int argc, char *argv[])
 148 {
 149     sys_handle_argv(argc, argv);
 150 #else
 151 int main(void) INIT_ATTR MAIN_NORETURN_ATTR;
 152 int main(void)
 153 {
 154 #endif
 155     int i;
 156     CHART(">init");
 157     init();
 158     CHART("<init");
 159     FOR_NB_SCREENS(i)
 160     {
 161         screens[i].clear_display();
 162         screens[i].update();
 163     }
 164 #ifdef HAVE_LCD_BITMAP
 165     list_init();
 166 #endif
 167     tree_gui_init();
 168     /* Keep the order of this 3
 169      * Must be done before any code uses the multi-screen API */
 170 #ifdef HAVE_USBSTACK
 171     /* All threads should be created and public queues registered by now */
 172     usb_start_monitoring();
 173 #endif
 174
 175 #ifdef AUTOROCK
 176     {
 177         char filename[MAX_PATH];
 178         const char *file =
 179 #ifdef APPLICATION
 180                                 ROCKBOX_DIR
 181 #else
 182                                 PLUGIN_APPS_DIR
 183 #endif
 184                                     "/autostart.rock";
 185         if(file_exists(file)) /* no complaint if it doesn't exist */
 186         {
 187             plugin_load(file, NULL); /* start if it does */
 188         }
 189     }
 190 #endif /* #ifdef AUTOROCK */
 191
 192     global_status.last_volume_change = 0;
 193     /* no calls INIT_ATTR functions after this point anymore!
 194      * see definition of INIT_ATTR in config.h */
 195     CHART(">root_menu");
 196     root_menu();
 197 }
 198
 199 static int init_dircache(bool preinit) INIT_ATTR;
 200 static int init_dircache(bool preinit)
 201 {
 202 #ifdef HAVE_DIRCACHE
 203     int result = 0;
 204     bool clear = false;
 205
 206     if (preinit)
 207         dircache_init();
 208
 209     if (!global_settings.dircache)
 210         return 0;
 211
 212 # ifdef HAVE_EEPROM_SETTINGS
 213     if (firmware_settings.initialized && firmware_settings.disk_clean
 214         && preinit)
 215     {
 216         result = dircache_load();
 217
 218         if (result < 0)
 219         {
 220             firmware_settings.disk_clean = false;
 221             if (global_status.dircache_size <= 0)
 222             {
 223                 /* This will be in default language, settings are not
 224                    applied yet. Not really any easy way to fix that. */
 225                 splash(0, str(LANG_SCANNING_DISK));
 226                 clear = true;
 227             }
 228
 229             dircache_build(global_status.dircache_size);
 230         }
 231     }
 232     else
 233 # endif
 234     {
 235         if (preinit)
 236             return -1;
 237
 238         if (!dircache_is_enabled()
 239             && !dircache_is_initializing())
 240         {
 241             if (global_status.dircache_size <= 0)
 242             {
 243                 splash(0, str(LANG_SCANNING_DISK));
 244                 clear = true;
 245             }
 246             result = dircache_build(global_status.dircache_size);
 247         }
 248
 249         if (result < 0)
 250         {
 251             /* Initialization of dircache failed. Manual action is
 252              * necessary to enable dircache again.
 253              */
 254             splashf(0, "Dircache failed, disabled. Result: %d", result);
 255             global_settings.dircache = false;
 256         }
 257     }
 258
 259     if (clear)
 260     {
 261         backlight_on();
 262         show_logo();
 263         global_status.dircache_size = dircache_get_cache_size();
 264         status_save();
 265     }
 266
 267     return result;
 268 #else
 269     (void)preinit;
 270     return 0;
 271 #endif
 272 }
 273
 274 #ifdef HAVE_TAGCACHE
 275 static void init_tagcache(void) INIT_ATTR;
 276 static void init_tagcache(void)
 277 {
 278     bool clear = false;
 279 #if CONFIG_CODEC == SWCODEC
 280     long talked_tick = 0;
 281 #endif
 282     tagcache_init();
 283
 284     while (!tagcache_is_initialized())
 285     {
 286         int ret = tagcache_get_commit_step();
 287
 288         if (ret > 0)
 289         {
 290 #if CONFIG_CODEC == SWCODEC
 291             /* hwcodec can't use voice here, as the database commit
 292              * uses the audio buffer. */
 293             if(global_settings.talk_menu
 294                && (talked_tick == 0
 295                    || TIME_AFTER(current_tick, talked_tick+7*HZ)))
 296             {
 297                 talked_tick = current_tick;
 298                 talk_id(LANG_TAGCACHE_INIT, false);
 299                 talk_number(ret, true);
 300                 talk_id(VOICE_OF, true);
 301                 talk_number(tagcache_get_max_commit_step(), true);
 302             }
 303 #endif
 304 #ifdef HAVE_LCD_BITMAP
 305             if (lang_is_rtl())
 306             {
 307                 splashf(0, "[%d/%d] %s", ret, tagcache_get_max_commit_step(),
 308                     str(LANG_TAGCACHE_INIT));
 309             }
 310             else
 311             {
 312                 splashf(0, "%s [%d/%d]", str(LANG_TAGCACHE_INIT), ret,
 313                     tagcache_get_max_commit_step());
 314             }
 315 #else
 316             lcd_double_height(false);
 317             lcd_putsf(0, 1, " DB [%d/%d]", ret,
 318                 tagcache_get_max_commit_step());
 319             lcd_update();
 320 #endif
 321             clear = true;
 322         }
 323         sleep(HZ/4);
 324     }
 325     tagtree_init();
 326
 327     if (clear)
 328     {
 329         backlight_on();
 330         show_logo();
 331     }
 332 }
 333 #endif
 334
 335 #if (CONFIG_PLATFORM & PLATFORM_HOSTED)
 336
 337 static void init(void)
 338 {
 339     system_init();
 340     kernel_init();
 341 #ifdef APPLICATION
 342     paths_init();
 343 #endif
 344     buffer_init();
 345     enable_irq();
 346     lcd_init();
 347 #ifdef HAVE_REMOTE_LCD
 348     lcd_remote_init();
 349 #endif
 350     font_init();
 351     show_logo();
 352     button_init();
 353     backlight_init();
 354 #if (CONFIG_PLATFORM & PLATFORM_SDL)
 355     sim_tasks_init();
 356 #endif
 357 #if (CONFIG_PLATFORM & PLATFORM_ANDROID)
 358     notification_init();
 359 #endif
 360     lang_init(core_language_builtin, language_strings,
 361               LANG_LAST_INDEX_IN_ARRAY);
 362 #ifdef DEBUG
 363     debug_init();
 364 #endif
 365     /* Keep the order of this 3 (viewportmanager handles statusbars)
 366      * Must be done before any code uses the multi-screen API */
 367     gui_syncstatusbar_init(&statusbars);
 368     gui_sync_skin_init();
 369     sb_skin_init();
 370     viewportmanager_init();
 371
 372     storage_init();
 373     settings_reset();
 374     settings_load(SETTINGS_ALL);
 375     settings_apply(true);
 376     init_dircache(true);
 377     init_dircache(false);
 378 #ifdef HAVE_TAGCACHE
 379     init_tagcache();
 380 #endif
 381     sleep(HZ/2);
 382     tree_mem_init();
 383     filetype_init();
 384     playlist_init();
 385     theme_init_buffer();
 386
 387 #if CONFIG_CODEC != SWCODEC
 388     mp3_init( global_settings.volume,
 389               global_settings.bass,
 390               global_settings.treble,
 391               global_settings.balance,
 392               global_settings.loudness,
 393               global_settings.avc,
 394               global_settings.channel_config,
 395               global_settings.stereo_width,
 396               global_settings.mdb_strength,
 397               global_settings.mdb_harmonics,
 398               global_settings.mdb_center,
 399               global_settings.mdb_shape,
 400               global_settings.mdb_enable,
 401               global_settings.superbass);
 402
 403     /* audio_init must to know the size of voice buffer so init voice first */
 404     talk_init();
 405 #endif /* CONFIG_CODEC != SWCODEC */
 406
 407     scrobbler_init();
 408 #if CONFIG_CODEC == SWCODEC && defined (HAVE_PITCHSCREEN)
 409     tdspeed_init();
 410 #endif /* CONFIG_CODEC == SWCODEC */
 411
 412     audio_init();
 413     button_clear_queue(); /* Empty the keyboard buffer */
 414
 415     settings_apply_skins();
 416 }
 417
 418 #else
 419
 420 static void init(void) INIT_ATTR;
 421 static void init(void)
 422 {
 423     int rc;
 424     bool mounted = false;
 425 #if CONFIG_CHARGING && (CONFIG_CPU == SH7034)
 426     /* if nobody initialized ATA before, I consider this a cold start */
 427     bool coldstart = (PACR2 & 0x4000) != 0; /* starting from Flash */
 428 #endif
 429
 430     system_init();
 431 #if defined(IPOD_VIDEO)
 432     audiobufend=(unsigned char *)audiobufend_lds;
 433     if(MEM==64 && probed_ramsize!=64)
 434     {
 435         audiobufend -= (32<<20);
 436     }
 437 #endif
 438     kernel_init();
 439
 440 #ifdef HAVE_ADJUSTABLE_CPU_FREQ
 441     set_cpu_frequency(CPUFREQ_NORMAL);
 442 #ifdef CPU_COLDFIRE
 443     coldfire_set_pllcr_audio_bits(DEFAULT_PLLCR_AUDIO_BITS);
 444 #endif
 445     cpu_boost(true);
 446 #endif
 447
 448     buffer_init();
 449
 450     settings_reset();
 451
 452     i2c_init();
 453
 454     power_init();
 455
 456     enable_irq();
 457 #ifdef CPU_ARM
 458     enable_fiq();
 459 #endif
 460     /* current_tick should be ticking by now */
 461     CHART("ticking");
 462
 463     lcd_init();
 464 #ifdef HAVE_REMOTE_LCD
 465     lcd_remote_init();
 466 #endif
 467     font_init();
 468
 469     CHART(">show_logo");
 470     show_logo();
 471     CHART("<show_logo");
 472     lang_init(core_language_builtin, language_strings,
 473               LANG_LAST_INDEX_IN_ARRAY);
 474
 475 #ifdef DEBUG
 476     debug_init();
 477 #else
 478 #ifdef HAVE_SERIAL
 479     serial_setup();
 480 #endif
 481 #endif
 482
 483 #if CONFIG_RTC
 484     rtc_init();
 485 #endif
 486 #ifdef HAVE_RTC_RAM
 487     CHART(">settings_load(RTC)");
 488     settings_load(SETTINGS_RTC); /* early load parts of global_settings */
 489     CHART("<settings_load(RTC)");
 490 #endif
 491
 492     adc_init();
 493
 494     usb_init();
 495 #if CONFIG_USBOTG == USBOTG_ISP1362
 496     isp1362_init();
 497 #elif CONFIG_USBOTG == USBOTG_M5636
 498     m5636_init();
 499 #endif
 500
 501     backlight_init();
 502
 503     button_init();
 504
 505     powermgmt_init();
 506
 507 #if CONFIG_TUNER
 508     radio_init();
 509 #endif
 510
 511     /* Keep the order of this 3 (viewportmanager handles statusbars)
 512      * Must be done before any code uses the multi-screen API */
 513     CHART(">gui_syncstatusbar_init");
 514     gui_syncstatusbar_init(&statusbars);
 515     CHART("<gui_syncstatusbar_init");
 516     CHART(">sb_skin_init");
 517     sb_skin_init();
 518     CHART("<sb_skin_init");
 519     CHART(">gui_sync_wps_init");
 520     gui_sync_skin_init();
 521     CHART("<gui_sync_wps_init");
 522     CHART(">viewportmanager_init");
 523     viewportmanager_init();
 524     CHART("<viewportmanager_init");
 525
 526 #if CONFIG_CHARGING && (CONFIG_CPU == SH7034)
 527     /* charger_inserted() can't be used here because power_thread()
 528        hasn't checked power_input_status() yet */
 529     if (coldstart && (power_input_status() & POWER_INPUT_MAIN_CHARGER)
 530         && !global_settings.car_adapter_mode
 531 #ifdef ATA_POWER_PLAYERSTYLE
 532         && !ide_powered() /* relies on probing result from bootloader */
 533 #endif
 534         )
 535     {
 536         rc = charging_screen(); /* display a "charging" screen */
 537         if (rc == 1)            /* charger removed */
 538             power_off();
 539         /* "On" pressed or USB connected: proceed */
 540         show_logo();  /* again, to provide better visual feedback */
 541     }
 542 #endif
 543
 544
 545     disk_init_subsystem();
 546     CHART(">storage_init");
 547     rc = storage_init();
 548     CHART("<storage_init");
 549     if(rc)
 550     {
 551 #ifdef HAVE_LCD_BITMAP
 552         lcd_clear_display();
 553         lcd_putsf(0, 1, "ATA error: %d", rc);
 554         lcd_puts(0, 3, "Press ON to debug");
 555         lcd_update();
 556         while(!(button_get(true) & BUTTON_REL)); /*DO NOT CHANGE TO ACTION SYSTEM */
 557         dbg_ports();
 558 #endif
 559         panicf("ata: %d", rc);
 560     }
 561
 562 #ifdef HAVE_EEPROM_SETTINGS
 563     CHART(">eeprom_settings_init");
 564     eeprom_settings_init();
 565     CHART("<eeprom_settings_init");
 566 #endif
 567
 568 #ifndef HAVE_USBSTACK
 569     usb_start_monitoring();
 570     while (usb_detect() == USB_INSERTED)
 571     {
 572 #ifdef HAVE_EEPROM_SETTINGS
 573         firmware_settings.disk_clean = false;
 574 #endif
 575         /* enter USB mode early, before trying to mount */
 576         if (button_get_w_tmo(HZ/10) == SYS_USB_CONNECTED)
 577 #if (CONFIG_STORAGE & STORAGE_MMC)
 578             if (!mmc_touched() ||
 579                 (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
 580 #endif
 581             {
 582                 gui_usb_screen_run(true);
 583                 mounted = true; /* mounting done @ end of USB mode */
 584             }
 585 #ifdef HAVE_USB_POWER
 586         if (usb_powered())      /* avoid deadlock */
 587             break;
 588 #endif
 589     }
 590 #endif
 591
 592     if (!mounted)
 593     {
 594         CHART(">disk_mount_all");
 595         rc = disk_mount_all();
 596         CHART("<disk_mount_all");
 597         if (rc<=0)
 598         {
 599             lcd_clear_display();
 600             lcd_puts(0, 0, "No partition");
 601             lcd_puts(0, 1, "found.");
 602 #ifdef HAVE_LCD_BITMAP
 603             lcd_puts(0, 2, "Insert USB cable");
 604             lcd_puts(0, 3, "and fix it.");
 605 #endif
 606             lcd_update();
 607
 608             while(button_get(true) != SYS_USB_CONNECTED) {};
 609             gui_usb_screen_run(true);
 610             system_reboot();
 611         }
 612     }
 613
 614 #if defined(SETTINGS_RESET) || (CONFIG_KEYPAD == IPOD_4G_PAD) || \
 615     (CONFIG_KEYPAD == IRIVER_H10_PAD)
 616 #ifdef SETTINGS_RESET
 617     /* Reset settings if holding the reset button. (Rec on Archos,
 618        A on Gigabeat) */
 619     if ((button_status() & SETTINGS_RESET) == SETTINGS_RESET)
 620 #else
 621     /* Reset settings if the hold button is turned on */
 622     if (button_hold())
 623 #endif
 624     {
 625         splash(HZ*2, str(LANG_RESET_DONE_CLEAR));
 626         settings_reset();
 627     }
 628     else
 629 #endif
 630     {
 631         CHART(">settings_load(ALL)");
 632         settings_load(SETTINGS_ALL);
 633         CHART("<settings_load(ALL)");
 634     }
 635
 636     CHART(">init_dircache(true)");
 637     rc = init_dircache(true);
 638     CHART("<init_dircache(true)");
 639     if (rc < 0)
 640     {
 641 #ifdef HAVE_TAGCACHE
 642         remove(TAGCACHE_STATEFILE);
 643 #endif
 644     }
 645
 646     CHART(">settings_apply(true)");
 647     settings_apply(true);
 648     CHART("<settings_apply(true)");
 649     CHART(">init_dircache(false)");
 650     init_dircache(false);
 651     CHART("<init_dircache(false)");
 652 #ifdef HAVE_TAGCACHE
 653     CHART(">init_tagcache");
 654     init_tagcache();
 655     CHART("<init_tagcache");
 656 #endif
 657
 658 #ifdef HAVE_EEPROM_SETTINGS
 659     if (firmware_settings.initialized)
 660     {
 661         /* In case we crash. */
 662         firmware_settings.disk_clean = false;
 663         CHART(">eeprom_settings_store");
 664         eeprom_settings_store();
 665         CHART("<eeprom_settings_store");
 666     }
 667 #endif
 668     playlist_init();
 669     tree_mem_init();
 670     filetype_init();
 671     scrobbler_init();
 672 #if CONFIG_CODEC == SWCODEC && defined (HAVE_PITCHSCREEN)
 673     tdspeed_init();
 674 #endif /* CONFIG_CODEC == SWCODEC */
 675     theme_init_buffer();
 676
 677 #if CONFIG_CODEC != SWCODEC
 678     /* No buffer allocation (see buffer.c) may take place after the call to
 679        audio_init() since the mpeg thread takes the rest of the buffer space */
 680     mp3_init( global_settings.volume,
 681               global_settings.bass,
 682               global_settings.treble,
 683               global_settings.balance,
 684               global_settings.loudness,
 685               global_settings.avc,
 686               global_settings.channel_config,
 687               global_settings.stereo_width,
 688               global_settings.mdb_strength,
 689               global_settings.mdb_harmonics,
 690               global_settings.mdb_center,
 691               global_settings.mdb_shape,
 692               global_settings.mdb_enable,
 693               global_settings.superbass);
 694
 695      /* audio_init must to know the size of voice buffer so init voice first */
 696     talk_init();
 697 #endif /* CONFIG_CODEC != SWCODEC */
 698
 699     CHART(">audio_init");
 700     audio_init();
 701     CHART("<audio_init");
 702
 703 #if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
 704     pcm_rec_init();
 705 #endif
 706
 707     /* runtime database has to be initialized after audio_init() */
 708     cpu_boost(false);
 709
 710 #if CONFIG_CHARGING
 711     car_adapter_mode_init();
 712 #endif
 713 #ifdef IPOD_ACCESSORY_PROTOCOL
 714     iap_setup(global_settings.serial_bitrate);
 715 #endif
 716 #ifdef HAVE_ACCESSORY_SUPPLY
 717     accessory_supply_set(global_settings.accessory_supply);
 718 #endif
 719 #ifdef HAVE_LINEOUT_POWEROFF
 720     lineout_set(global_settings.lineout_active);
 721 #endif
 722 #ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
 723     CHART("<check_bootfile(false)");
 724     check_bootfile(false); /* remember write time and filesize */
 725     CHART(">check_bootfile(false)");
 726 #endif
 727     CHART("<settings_apply_skins");
 728     settings_apply_skins();
 729     CHART(">settings_apply_skins");
 730 }
 731
 732 #ifdef CPU_PP
 733 void cop_main(void) MAIN_NORETURN_ATTR;
 734 void cop_main(void)
 735 {
 736 /* This is the entry point for the coprocessor
 737    Anyone not running an upgraded bootloader will never reach this point,
 738    so it should not be assumed that the coprocessor be usable even on
 739    platforms which support it.
 740
 741    A kernel thread is initially setup on the coprocessor and immediately
 742    destroyed for purposes of continuity. The cop sits idle until at least
 743    one thread exists on it. */
 744
 745 #if NUM_CORES > 1
 746     system_init();
 747     kernel_init();
 748     /* This should never be reached */
 749 #endif
 750     while(1) {
 751         sleep_core(COP);
 752     }
 753 }
 754 #endif /* CPU_PP */
 755
 756 #endif /* SIMULATOR */