kdb.h 1.9 KB

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  1. /*-
  2. * Copyright (c) 2004 Marcel Moolenaar
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. *
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. *
  15. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. */
  26. #ifndef _MACHINE_KDB_H_
  27. #define _MACHINE_KDB_H_
  28. #include <machine/cpufunc.h>
  29. static __inline void
  30. kdb_cpu_clear_singlestep(void)
  31. {
  32. }
  33. static __inline void
  34. kdb_cpu_set_singlestep(void)
  35. {
  36. }
  37. static __inline void
  38. kdb_cpu_sync_icache(unsigned char *addr, size_t size)
  39. {
  40. /*
  41. * Other CPUs flush their instruction cache when resuming from
  42. * IPI_STOP.
  43. */
  44. fence_i();
  45. }
  46. static __inline void
  47. kdb_cpu_trap(int type, int code)
  48. {
  49. }
  50. static __inline int
  51. kdb_cpu_set_watchpoint(vm_offset_t addr, vm_size_t size, int access)
  52. {
  53. return (ENXIO);
  54. }
  55. static __inline int
  56. kdb_cpu_clr_watchpoint(vm_offset_t addr, vm_size_t size)
  57. {
  58. return (0);
  59. }
  60. #endif /* _MACHINE_KDB_H_ */