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 #include <arch/chip.h> 19 20 /* mm/fault.c */ 21 void do_page_fault(struct pt_regs *, int fault_num, 22 unsigned long address, unsigned long write); 23 #if CHIP_HAS_TILE_DMA() || CHIP_HAS_SN_PROC() 24 void do_async_page_fault(struct pt_regs *); 25 #endif 26 27 #ifndef __tilegx__ 28 /* 29 * We return this structure in registers to avoid having to write 30 * additional save/restore code in the intvec.S caller. 31 */ 32 struct intvec_state { 33 void *handler; 34 unsigned long vecnum; 35 unsigned long fault_num; 36 unsigned long info; 37 unsigned long retval; 38 }; 39 struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num, 40 unsigned long address, 41 unsigned long info); 42 #endif 43 44 /* kernel/traps.c */ 45 void do_trap(struct pt_regs *, int fault_num, unsigned long reason); 46 void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52); 47 48 /* kernel/time.c */ 49 void do_timer_interrupt(struct pt_regs *, int fault_num); 50 51 /* kernel/messaging.c */ 52 void hv_message_intr(struct pt_regs *, int intnum); 53 54 /* kernel/irq.c */ 55 void tile_dev_intr(struct pt_regs *, int intnum); 56 57 #ifdef CONFIG_HARDWALL 58 /* kernel/hardwall.c */ 59 void do_hardwall_trap(struct pt_regs *, int fault_num); 60 #endif 61 62 /* kernel/ptrace.c */ 63 void do_breakpoint(struct pt_regs *, int fault_num); 64 65 66 #ifdef __tilegx__ 67 void gx_singlestep_handle(struct pt_regs *, int fault_num); 68 #endif 69 70 #endif /* _ASM_TILE_SYSCALLS_H */ 71