/* * Copyright (c) 1993 Adam Glass * All rights reserved. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Adam Glass. * 4. The name of the Author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Adam Glass ``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. * * $Id: vector.c,v 1.8 1994/05/06 07:47:14 gwr Exp $ */ #include #include #include "vector.h" #define COPY_ENTRY16 COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, \ COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, \ COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, \ COPY_ENTRY, COPY_ENTRY, COPY_ENTRY, COPY_ENTRY #define BADTRAP16 badtrap, badtrap, badtrap, badtrap, \ badtrap, badtrap, badtrap, badtrap, \ badtrap, badtrap, badtrap, badtrap, \ badtrap, badtrap, badtrap, badtrap void addrerr(), badtrap(), buserr(), chkinst(), coperr(), fmterr(), fpfline(), fpunsupp(), illinst(), privinst(), trace(), trap0(), trap1(), trap12(), trap15(), trap2(), trapvinst(), zerodiv(), fpfault(); #define fpbsun fpfault #define fpdz fpfault #define fpinex fpfault #define fpoperr fpfault #define fpovfl fpfault #define fpsnan fpfault #define fpunfl fpfault void (*vector_table[NVECTORS])() = { COPY_ENTRY, /* 0: jmp 0x400:w (unused reset SSP)*/ COPY_ENTRY, /* 1: NOT USED (reset PC) */ buserr, /* 2: bus error */ addrerr, /* 3: address error */ illinst, /* 4: illegal instruction */ zerodiv, /* 5: zero divide */ chkinst, /* 6: CHK instruction */ trapvinst, /* 7: TRAPV instruction */ privinst, /* 8: privilege violation */ trace, /* 9: trace */ illinst, /* 10: line 1010 emulator */ fpfline, /* 11: line 1111 emulator */ badtrap, /* 12: unassigned, reserved */ coperr, /* 13: coprocessor protocol violatio */ fmterr, /* 14: format error */ badtrap, /* 15: uninitialized interrupt vecto */ badtrap, /* 16: unassigned, reserved */ badtrap, /* 17: unassigned, reserved */ badtrap, /* 18: unassigned, reserved */ badtrap, /* 19: unassigned, reserved */ badtrap, /* 20: unassigned, reserved */ badtrap, /* 21: unassigned, reserved */ badtrap, /* 22: unassigned, reserved */ badtrap, /* 23: unassigned, reserved */ COPY_ENTRY, /* 24: spurious interrupt */ COPY_ENTRY, /* 25: level 1 interrupt autovector */ COPY_ENTRY, /* 26: level 2 interrupt autovector */ COPY_ENTRY, /* 27: level 3 interrupt autovector */ COPY_ENTRY, /* 28: level 4 interrupt autovector */ COPY_ENTRY, /* 29: level 5 interrupt autovector */ COPY_ENTRY, /* 30: level 6 interrupt autovector */ COPY_ENTRY, /* 31: level 7 interrupt autovector */ trap0, /* 32: syscalls (at least on hp300) */ trap1, /* 33: sigreturn syscall or breakpoi */ trap2, /* 34: breakpoint or sigreturn sysca */ illinst, /* 35: TRAP instruction vector */ illinst, /* 36: TRAP instruction vector */ illinst, /* 37: TRAP instruction vector */ illinst, /* 38: TRAP instruction vector */ illinst, /* 39: TRAP instruction vector */ illinst, /* 40: TRAP instruction vector */ illinst, /* 41: TRAP instruction vector */ illinst, /* 42: TRAP instruction vector */ illinst, /* 43: TRAP instruction vector */ trap12, /* 44: TRAP instruction vector */ illinst, /* 45: TRAP instruction vector */ illinst, /* 46: TRAP instruction vector */ trap15, /* 47: TRAP instruction vector */ fpbsun, /* 48: FPCP branch/set on unordered */ fpinex, /* 49: FPCP inexact result */ fpdz, /* 50: FPCP divide by zero */ fpunfl, /* 51: FPCP underflow */ fpoperr, /* 52: FPCP operand error */ fpovfl, /* 53: FPCP overflow */ fpsnan, /* 54: FPCP signalling NAN */ fpunsupp, /* 55: FPCP unimplemented data type */ badtrap, /* 56: unassigned, reserved */ badtrap, /* 57: unassigned, reserved */ badtrap, /* 58: unassigned, reserved */ badtrap, /* 59: unassigned, reserved */ badtrap, /* 60: unassigned, reserved */ badtrap, /* 61: unassigned, reserved */ badtrap, /* 62: unassigned, reserved */ badtrap, /* 63: unassigned, reserved */ BADTRAP16, /* 64-79 */ BADTRAP16, /* 80-95 */ BADTRAP16, /* 96-111 */ BADTRAP16, /* 112-127 */ BADTRAP16, /* 128-143 */ BADTRAP16, /* 144-159 */ BADTRAP16, /* 160-175 */ BADTRAP16, /* 176-191 */ BADTRAP16, /* 192-207 */ BADTRAP16, /* 208-223 */ BADTRAP16, /* 224-239 */ BADTRAP16 /* 240-255 */ }; void set_vector_entry(entry, handler) int entry; void (*handler)(); { if ((entry <0) || (entry >= NVECTORS)) panic("set_vector_entry: setting vector too high or low\n"); vector_table[entry] = handler; } unsigned int get_vector_entry(entry) int entry; { if ((entry <0) || (entry >= NVECTORS)) panic("get_vector_entry: setting vector too high or low\n"); return (unsigned int) vector_table[entry]; }