startup.c 1.9 KB

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  1. /*
  2. * File : startup.c
  3. * This file is part of RT-Thread RTOS
  4. * COPYRIGHT (C) 2009 - 2011, RT-Thread Development 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://www.rt-thread.org/license/LICENSE
  9. *
  10. * Change Logs:
  11. * Date Author Notes
  12. * 2011-02-24 Bernard first implementation
  13. */
  14. #include <rthw.h>
  15. #include <rtthread.h>
  16. #include "board.h"
  17. #include "mb9bf506r.h"
  18. /**
  19. * @addtogroup FM3
  20. */
  21. /*@{*/
  22. extern int rt_application_init(void);
  23. #ifdef __CC_ARM
  24. extern int Image$$RW_IRAM1$$ZI$$Limit;
  25. #elif __ICCARM__
  26. #pragma section="HEAP"
  27. #else
  28. extern int __bss_end;
  29. #endif
  30. /**
  31. * This function will startup RT-Thread RTOS.
  32. */
  33. void rtthread_startup(void)
  34. {
  35. /* init board */
  36. rt_hw_board_init();
  37. /* show version */
  38. rt_show_version();
  39. /* init tick */
  40. rt_system_tick_init();
  41. /* init kernel object */
  42. rt_system_object_init();
  43. /* init timer system */
  44. rt_system_timer_init();
  45. #ifdef RT_USING_HEAP
  46. #ifdef __CC_ARM
  47. rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)FM3_SRAM_END);
  48. #elif __ICCARM__
  49. rt_system_heap_init(__segment_end("HEAP"), (void*)FM3_SRAM_END);
  50. #else
  51. /* init memory system */
  52. rt_system_heap_init((void*)&__bss_end, (void*)FM3_SRAM_END);
  53. #endif
  54. #endif
  55. /* init scheduler system */
  56. rt_system_scheduler_init();
  57. #ifdef RT_USING_DEVICE
  58. /* init all device */
  59. rt_device_init_all();
  60. #endif
  61. /* init application */
  62. rt_application_init();
  63. /* init timer thread */
  64. rt_system_timer_thread_init();
  65. /* init idle thread */
  66. rt_thread_idle_init();
  67. /* start scheduler */
  68. rt_system_scheduler_start();
  69. /* never reach here */
  70. return ;
  71. }
  72. int main(void)
  73. {
  74. /* disable interrupt first */
  75. rt_hw_interrupt_disable();
  76. /* init system setting */
  77. SystemInit();
  78. /* startup RT-Thread RTOS */
  79. rtthread_startup();
  80. return 0;
  81. }
  82. /*@}*/