cpuport_gcc.S 644 B

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  1. /*
  2. * Copyright (c) 2006-2022, RT-Thread Development Team
  3. *
  4. * SPDX-License-Identifier: Apache-2.0
  5. *
  6. * Change Logs:
  7. * Date Author Notes
  8. * 2022-10-19 RT-Thread the first version
  9. */
  10. #include "cpuport.h"
  11. #include "stackframe.h"
  12. #include "asm-generic.h"
  13. START_POINT(_rt_thread_entry)
  14. LOAD ra, REGBYTES(sp) /* thread exit */
  15. addi sp, sp, 2 * REGBYTES
  16. LOAD a0, (sp) /* parameter */
  17. LOAD t0, REGBYTES(sp) /* tentry */
  18. addi sp, sp, 2 * REGBYTES
  19. mv s1, ra
  20. jalr t0
  21. jalr s1
  22. j . /* never here */
  23. START_POINT_END(_rt_thread_entry)