traps.h 2.0 KB

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  1. /*
  2. * Copyright 2010 Tilera Corporation. All Rights Reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License
  6. * as published by the Free Software Foundation, version 2.
  7. *
  8. * This program is distributed in the hope that it will be useful, but
  9. * WITHOUT ANY WARRANTY; without even the implied warranty of
  10. * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11. * NON INFRINGEMENT. See the GNU General Public License for
  12. * more details.
  13. */
  14. #ifndef _ASM_TILE_TRAPS_H
  15. #define _ASM_TILE_TRAPS_H
  16. #include <arch/chip.h>
  17. /* mm/fault.c */
  18. void do_page_fault(struct pt_regs *, int fault_num,
  19. unsigned long address, unsigned long write);
  20. #if CHIP_HAS_TILE_DMA() || CHIP_HAS_SN_PROC()
  21. void do_async_page_fault(struct pt_regs *);
  22. #endif
  23. #ifndef __tilegx__
  24. /*
  25. * We return this structure in registers to avoid having to write
  26. * additional save/restore code in the intvec.S caller.
  27. */
  28. struct intvec_state {
  29. void *handler;
  30. unsigned long vecnum;
  31. unsigned long fault_num;
  32. unsigned long info;
  33. unsigned long retval;
  34. };
  35. struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num,
  36. unsigned long address,
  37. unsigned long info);
  38. #endif
  39. /* kernel/traps.c */
  40. void do_trap(struct pt_regs *, int fault_num, unsigned long reason);
  41. void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52);
  42. /* kernel/time.c */
  43. void do_timer_interrupt(struct pt_regs *, int fault_num);
  44. /* kernel/messaging.c */
  45. void hv_message_intr(struct pt_regs *, int intnum);
  46. /* kernel/irq.c */
  47. void tile_dev_intr(struct pt_regs *, int intnum);
  48. #ifdef CONFIG_HARDWALL
  49. /* kernel/hardwall.c */
  50. void do_hardwall_trap(struct pt_regs *, int fault_num);
  51. #endif
  52. /* kernel/ptrace.c */
  53. void do_breakpoint(struct pt_regs *, int fault_num);
  54. #ifdef __tilegx__
  55. /* kernel/single_step.c */
  56. void gx_singlestep_handle(struct pt_regs *, int fault_num);
  57. /* kernel/intvec_64.S */
  58. void fill_ra_stack(void);
  59. #endif
  60. #endif /* _ASM_TILE_TRAPS_H */