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/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
#ifndef _ASM_TILE_TRAPS_H
#define _ASM_TILE_TRAPS_H
#ifndef __ASSEMBLY__
#include <arch/chip.h>
/* mm/fault.c */
void do_page_fault(struct pt_regs *, int fault_num,
unsigned long address, unsigned long write);
#if CHIP_HAS_TILE_DMA()
void do_async_page_fault(struct pt_regs *);
#endif
#ifndef __tilegx__
/*
* We return this structure in registers to avoid having to write
* additional save/restore code in the intvec.S caller.
*/
struct intvec_state {
void *handler;
unsigned long vecnum;
unsigned long fault_num;
unsigned long info;
unsigned long retval;
};
struct intvec_state do_page_fault_ics(struct pt_regs *regs, int fault_num,
unsigned long address,
unsigned long info);
#endif
/* kernel/traps.c */
void do_trap(struct pt_regs *, int fault_num, unsigned long reason);
void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52);
/* kernel/time.c */
void do_timer_interrupt(struct pt_regs *, int fault_num);
/* kernel/messaging.c */
void hv_message_intr(struct pt_regs *, int intnum);
/* kernel/irq.c */
void tile_dev_intr(struct pt_regs *, int intnum);
#ifdef CONFIG_HARDWALL
/* kernel/hardwall.c */
void do_hardwall_trap(struct pt_regs *, int fault_num);
#endif
/* kernel/ptrace.c */
void do_breakpoint(struct pt_regs *, int fault_num);
#ifdef __tilegx__
/* kernel/single_step.c */
void gx_singlestep_handle(struct pt_regs *, int fault_num);
/* kernel/intvec_64.S */
void fill_ra_stack(void);
/* Handle unalign data fixup. */
extern void do_unaligned(struct pt_regs *regs, int vecnum);
#endif
#endif /* __ASSEMBLY__ */
#ifdef __tilegx__
/* 128 byte JIT per unalign fixup. */
#define UNALIGN_JIT_SHIFT 7
#endif
#endif /* _ASM_TILE_TRAPS_H */