startup.c 2.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122
  1. /*
  2. * File : startup.c
  3. * This file is part of RT-Thread RTOS
  4. * COPYRIGHT (C) 2006, RT-Thread Develop Team
  5. *
  6. * The license and distribution terms for this file may be
  7. * found in the file LICENSE in this distribution or at
  8. * http://openlab.rt-thread.com/license/LICENSE
  9. *
  10. * Change Logs:
  11. * Date Author Notes
  12. *
  13. */
  14. #include <rthw.h>
  15. #include <rtthread.h>
  16. #include <board.h>
  17. /**
  18. * @addtogroup k64
  19. */
  20. /*@{*/
  21. extern int rt_application_init(void);
  22. #ifdef RT_USING_FINSH
  23. extern int finsh_system_init(void);
  24. extern void finsh_set_device(const char* device);
  25. #endif
  26. #ifdef __CC_ARM
  27. extern int Image$$RW_IRAM2$$ZI$$Limit;
  28. #define K64_SRAM_BEGIN (&Image$$RW_IRAM2$$ZI$$Limit)
  29. #elif __ICCARM__
  30. #pragma section="HEAP"
  31. #define K64_SRAM_BEGIN (__segment_end("HEAP"))
  32. #else
  33. extern int __bss_end;
  34. #define K64_SRAM_BEGIN (&__bss_end)
  35. #endif
  36. /*******************************************************************************
  37. * Function Name : assert_failed
  38. * Description : Reports the name of the source file and the source line number
  39. * where the assert error has occurred.
  40. * Input : - file: pointer to the source file name
  41. * - line: assert error line source number
  42. * Output : None
  43. * Return : None
  44. *******************************************************************************/
  45. void assert_failed(rt_uint8_t* file, rt_uint32_t line)
  46. {
  47. rt_kprintf("\n\r Wrong parameter value detected on\r\n");
  48. rt_kprintf(" file %s\r\n", file);
  49. rt_kprintf(" line %d\r\n", line);
  50. while (1) ;
  51. }
  52. /**
  53. * This function will startup RT-Thread RTOS.
  54. */
  55. void rtthread_startup(void)
  56. {
  57. /* init board */
  58. rt_hw_board_init();
  59. /* show version */
  60. rt_show_version();
  61. /* init tick */
  62. rt_system_tick_init();
  63. /* init kernel object */
  64. rt_system_object_init();
  65. /* init timer system */
  66. rt_system_timer_init();
  67. rt_system_heap_init((void*)K64_SRAM_BEGIN, (void*)K64_SRAM_END);
  68. /* init scheduler system */
  69. rt_system_scheduler_init();
  70. /* init all device */
  71. rt_device_init_all();
  72. /* init application */
  73. rt_application_init();
  74. #ifdef RT_USING_FINSH
  75. /* init finsh */
  76. finsh_system_init();
  77. finsh_set_device( FINSH_DEVICE_NAME );
  78. #endif
  79. /* init timer thread */
  80. rt_system_timer_thread_init();
  81. /* init idle thread */
  82. rt_thread_idle_init();
  83. /* start scheduler */
  84. rt_system_scheduler_start();
  85. /* never reach here */
  86. return ;
  87. }
  88. int main(void)
  89. {
  90. /* disable interrupt first */
  91. rt_hw_interrupt_disable();
  92. /* startup RT-Thread RTOS */
  93. rtthread_startup();
  94. return 0;
  95. }
  96. /*@}*/