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Annotation of sys/arch/mips64/include/exception.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: exception.h,v 1.5 2007/04/24 16:47:34 miod Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 1998-2003 Opsycon AB (www.opsycon.se)
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     16:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     18:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
                     19:  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     21:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  *
                     27:  */
                     28:
                     29: /*
                     30:  *  Definitions for exception processing.
                     31:  */
                     32:
                     33: #ifndef _MIPS_EXCEPTION_H_
                     34: #define _MIPS_EXCEPTION_H_
                     35:
                     36: /*
                     37:  *  Exception codes.
                     38:  */
                     39:
                     40: #define        EX_INT          0       /* Interrupt */
                     41: #define        EX_MOD          1       /* TLB Modification */
                     42: #define        EX_TLBL         2       /* TLB exception, load or i-fetch */
                     43: #define        EX_TLBS         3       /* TLB exception, store */
                     44: #define        EX_ADEL         4       /* Address error exception, load or i-fetch */
                     45: #define        EX_ADES         5       /* Address error exception, store */
                     46: #define        EX_IBE          6       /* Bus error exception, i-fetch */
                     47: #define        EX_DBE          7       /* Bus error exception, data reference */
                     48: #define        EX_SYS          8       /* Syscall exception */
                     49: #define        EX_BP           9       /* Breakpoint exception */
                     50: #define        EX_RI           10      /* Reserved instruction exception */
                     51: #define        EX_CPU          11      /* Coprocessor unusable exception */
                     52: #define        EX_OV           12      /* Arithmetic overflow exception */
                     53: #define        EX_TR           13      /* Trap exception */
                     54: #define        EX_VCEI         14      /* Virtual coherency exception instruction */
                     55: #define        EX_FPE          15      /* Floating point exception */
                     56: #define        EX_WATCH        23      /* Reference to watch/hi/watch/lo address */
                     57: #define        EX_VCED         31      /* Virtual coherency exception data */
                     58:
                     59: #define        EX_U            32      /* Exception from user mode (SW flag) */
                     60:
                     61: #if defined(DDB) || defined(DEBUG)
                     62: #define EX_SIZE        10
                     63: struct ex_debug {
                     64:        u_int   ex_status;
                     65:        u_int   ex_cause;
                     66:        u_int   ex_badaddr;
                     67:        u_int   ex_pc;
                     68:        u_int   ex_ra;
                     69:        u_int   ex_sp;
                     70:        u_int   ex_code;
                     71: } ex_debug[EX_SIZE], *exp = ex_debug;
                     72:
                     73: #endif
                     74: #endif /* !_MIPS_EXCEPTION_H_ */