From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/tile/include/asm/traps.h | 85 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 arch/tile/include/asm/traps.h (limited to 'arch/tile/include/asm/traps.h') diff --git a/arch/tile/include/asm/traps.h b/arch/tile/include/asm/traps.h new file mode 100644 index 000000000..4b99a1c3a --- /dev/null +++ b/arch/tile/include/asm/traps.h @@ -0,0 +1,85 @@ +/* + * 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 + +/* 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 */ -- cgit v1.2.3-54-g00ecf