release/src-rt-6.x.4708/linux/linux-2.6.36/arch/tile/include/asm/traps.h

   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
  15 #ifndef _ASM_TILE_TRAPS_H
  16 #define _ASM_TILE_TRAPS_H
  17
  18 /* mm/fault.c */
  19 void do_page_fault(struct pt_regs *, int fault_num,
  20                    unsigned long address, unsigned long write);
  21 void do_async_page_fault(struct pt_regs *);
  22
  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
  40 /* kernel/traps.c */
  41 void do_trap(struct pt_regs *, int fault_num, unsigned long reason);
  42 void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52);
  43
  44 /* kernel/time.c */
  45 void do_timer_interrupt(struct pt_regs *, int fault_num);
  46
  47 /* kernel/messaging.c */
  48 void hv_message_intr(struct pt_regs *, int intnum);
  49
  50 /* kernel/irq.c */
  51 void tile_dev_intr(struct pt_regs *, int intnum);
  52
  53 #ifdef CONFIG_HARDWALL
  54 /* kernel/hardwall.c */
  55 void do_hardwall_trap(struct pt_regs *, int fault_num);
  56 #endif
  57
  58 /* kernel/ptrace.c */
  59 void do_breakpoint(struct pt_regs *, int fault_num);
  60
  61
  62 #endif /* _ASM_TILE_SYSCALLS_H */