startup.c 1.6 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283
  1. /*
  2. * Copyright (c) 2006-2021, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2013-7-14 Peng Fan Modified from mini4020
  9. */
  10. #include <rthw.h>
  11. #include <rtthread.h>
  12. #include <board.h>
  13. #include <serial.h>
  14. #ifdef RT_USING_FINSH
  15. #include <finsh.h>
  16. #endif
  17. #ifdef RT_USING_LWIP
  18. #include <lwip/sys.h>
  19. #include <netif/ethernetif.h>
  20. #endif
  21. #include <sep6200.h>
  22. rt_uint8_t _irq_stack_start[1024];
  23. rt_uint8_t _fiq_stack_start[1024];
  24. rt_uint8_t _undefined_stack_start[512];
  25. rt_uint8_t _abort_stack_start[512];
  26. rt_uint8_t _priv_stack_start[4096]; rt_section(".nobss");
  27. extern unsigned char __bss_start;
  28. extern unsigned char __bss_end;
  29. extern void rt_hw_board_init(void);
  30. extern void rt_application_init(void);
  31. extern int finsh_system_init(void);
  32. extern void sd_init(void);
  33. void rtthread_startup()
  34. {
  35. /* init hardware interrupt */
  36. rt_hw_interrupt_init();
  37. /* init board */
  38. rt_hw_board_init();
  39. /* show version */
  40. rt_show_version();
  41. /* init timer system */
  42. rt_system_timer_init();
  43. /* init heap memory system */
  44. rt_system_heap_init(&__bss_end, (void*)0x45000000);
  45. /* init scheduler system */
  46. rt_system_scheduler_init();
  47. /* init application */
  48. rt_application_init();
  49. #ifdef RT_USING_FINSH
  50. /* init finsh */
  51. finsh_system_init();
  52. #if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE)
  53. finsh_set_device("uart0");
  54. #endif
  55. #endif
  56. rt_system_timer_thread_init();
  57. /* init idle thread */
  58. rt_thread_idle_init();
  59. /* start scheduler */
  60. rt_system_scheduler_start();
  61. /* never reach here */
  62. return ;
  63. }