Current Path : /sys/mips/include/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/mips/include/trap.h |
/* $OpenBSD: trap.h,v 1.3 1999/01/27 04:46:06 imp Exp $ */ /*- * Copyright (c) 1988 University of Utah. * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * the Systems Programming Group of the University of Utah Computer * Science Department and Ralph Campbell. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * from: Utah Hdr: trap.h 1.1 90/07/09 * from: @(#)trap.h 8.1 (Berkeley) 6/10/93 * JNPR: trap.h,v 1.3 2006/12/02 09:53:41 katta * $FreeBSD: release/9.1.0/sys/mips/include/trap.h 206717 2010-04-17 01:17:31Z jmallett $ */ #ifndef _MACHINE_TRAP_H_ #define _MACHINE_TRAP_H_ /* * Trap codes also known in trap.c for name strings. * Used for indexing so modify with care. */ #define T_INT 0 /* Interrupt pending */ #define T_TLB_MOD 1 /* TLB modified fault */ #define T_TLB_LD_MISS 2 /* TLB miss on load or ifetch */ #define T_TLB_ST_MISS 3 /* TLB miss on a store */ #define T_ADDR_ERR_LD 4 /* Address error on a load or ifetch */ #define T_ADDR_ERR_ST 5 /* Address error on a store */ #define T_BUS_ERR_IFETCH 6 /* Bus error on an ifetch */ #define T_BUS_ERR_LD_ST 7 /* Bus error on a load or store */ #define T_SYSCALL 8 /* System call */ #define T_BREAK 9 /* Breakpoint */ #define T_RES_INST 10 /* Reserved instruction exception */ #define T_COP_UNUSABLE 11 /* Coprocessor unusable */ #define T_OVFLOW 12 /* Arithmetic overflow */ #define T_TRAP 13 /* Trap instruction */ #define T_VCEI 14 /* Virtual coherency instruction */ #define T_FPE 15 /* Floating point exception */ #define T_IWATCH 16 /* Inst. Watch address reference */ #define T_C2E 18 /* Exception from coprocessor 2 */ #define T_DWATCH 23 /* Data Watch address reference */ #define T_MCHECK 24 /* Received an MCHECK */ #define T_VCED 31 /* Virtual coherency data */ #define T_USER 0x20 /* user-mode flag or'ed with type */ #if !defined(SMP) && (defined(DDB) || defined(DEBUG)) struct trapdebug { /* trap history buffer for debugging */ register_t status; register_t cause; register_t vadr; register_t pc; register_t ra; register_t sp; register_t code; }; #define trapdebug_enter(x, cd) { \ register_t s = intr_disable(); \ trp->status = x->sr; \ trp->cause = x->cause; \ trp->vadr = x->badvaddr; \ trp->pc = x->pc; \ trp->sp = x->sp; \ trp->ra = x->ra; \ trp->code = cd; \ if (++trp == &trapdebug[TRAPSIZE]) \ trp = trapdebug; \ intr_restore(s); \ } #define TRAPSIZE 10 /* Trap log buffer length */ extern struct trapdebug trapdebug[TRAPSIZE], *trp; void trapDump(char *msg); #else #define trapdebug_enter(x, cd) #endif void MipsFPTrap(u_int, u_int, u_int); void MipsKernGenException(void); void MipsKernIntr(void); void MipsTLBInvalidException(void); void MipsTLBMissException(void); void MipsUserGenException(void); void MipsUserIntr(void); register_t trap(struct trapframe *); #ifndef LOCORE /* XXX */ int check_address(void *); void platform_trap_enter(void); void platform_trap_exit(void); #endif #endif /* !_MACHINE_TRAP_H_ */