init9.c 913 B

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  1. /*
  2. * This file is part of the UCB release of Plan 9. It is subject to the license
  3. * terms in the LICENSE file found in the top-level directory of this
  4. * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
  5. * part of the UCB release of Plan 9, including this file, may be copied,
  6. * modified, propagated, or distributed except according to the terms contained
  7. * in the LICENSE file.
  8. */
  9. extern void startboot(char*, char**);
  10. void
  11. main(char* argv0)
  12. {
  13. char *ar[2] = {"boot", };
  14. #if 0
  15. // let's do this later when we want true hell.
  16. extern int _gp;
  17. void *v = &_gp;
  18. __asm__ __volatile__ ("1:auipc gp, %pcrel_hi(_gp)\n\taddi gp, gp, %pcrel_lo(1b)\n");
  19. #endif
  20. int write(int, void *, int);
  21. //write(1, v, 8);
  22. //do it this way to make sure it doesn't end up in .data
  23. char a[1];
  24. a[1] = '0';
  25. write(1, a, 1);
  26. startboot("*init*", ar); //argv0, &argv0);
  27. // while(1) write(1, "hi\n", 3);
  28. }