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207 lines
6.0 KiB
C
207 lines
6.0 KiB
C
/* $NetBSD: machdep.c,v 1.5 2015/02/14 13:07:39 tsutsui Exp $ */
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/*
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* Copyright (c) 1992 OMRON Corporation.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)machdep.c 8.1 (Berkeley) 6/10/93
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* OMRON Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)machdep.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <luna68k/include/reg.h>
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#include <luna68k/stand/boot/samachdep.h>
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static void dumpmem(int *, int, int);
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void
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straytrap(int addr)
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{
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printf("stray trap, addr 0x%x\n", addr);
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}
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int *nofault = 0;
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int
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badaddr(volatile void *addr)
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{
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label_t faultbuf;
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#ifdef lint
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int i;
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i = *addr; if (i) return 0;
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#endif
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nofault = (int *)&faultbuf;
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if (setjmp((label_t *)nofault)) {
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nofault = NULL;
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return 1;
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}
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(void)*(volatile short *)addr;
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nofault = NULL;
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return 0;
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}
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void
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regdump(int *rp /* must not be register */, int sbytes)
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{
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static int doingdump = 0;
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int i;
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int s;
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if (doingdump)
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return;
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s = splhigh();
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doingdump = 1;
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#if 0
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printf("pid = %d, pc = %s, ", u.u_procp->p_pid, hexstr(rp[PC], 8));
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#endif
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printf("pc = %s, ", hexstr(rp[PC], 8));
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printf("ps = %s, ", hexstr(rp[PS], 4));
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printf("sfc = %s, ", hexstr(getsfc(), 4));
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printf("dfc = %s\n", hexstr(getdfc(), 4));
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#if 0
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printf("p0 = %x@%s, ",
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u.u_pcb.pcb_p0lr, hexstr((int)u.u_pcb.pcb_p0br, 8));
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printf("p1 = %x@%s\n\n",
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u.u_pcb.pcb_p1lr, hexstr((int)u.u_pcb.pcb_p1br, 8));
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#endif
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printf("Registers:\n ");
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for (i = 0; i < 8; i++)
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printf(" %d", i);
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printf("\ndreg:");
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for (i = 0; i < 8; i++)
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printf(" %s", hexstr(rp[i], 8));
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printf("\nareg:");
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for (i = 0; i < 8; i++)
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printf(" %s", hexstr(rp[i+8], 8));
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if (sbytes > 0) {
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#if 0
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if (rp[PS] & PSL_S) {
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#endif
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printf("\n\nKernel stack (%s):",
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hexstr((int)(((int *)&rp) - 1), 8));
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dumpmem(((int *)&rp) - 1, sbytes, 0);
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#if 0
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} else {
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printf("\n\nUser stack (%s):", hexstr(rp[SP], 8));
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dumpmem((int *)rp[SP], sbytes, 1);
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}
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#endif
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}
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doingdump = 0;
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splx(s);
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}
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/* #define KSADDR ((int *)&(((char *)&u)[(UPAGES-1)*NBPG])) */
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static void
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dumpmem(int *ptr, int sz, int ustack)
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{
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int i, val;
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for (i = 0; i < sz; i++) {
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if ((i & 7) == 0)
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printf("\n%s: ", hexstr((int)ptr, 6));
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else
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printf(" ");
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#if 0
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if (ustack == 1) {
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if ((val = fuword(ptr++)) == -1)
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break;
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} else {
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if (ustack == 0 &&
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(ptr < KSADDR || ptr > KSADDR+(NBPG/4-1)))
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break;
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#endif
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val = *ptr++;
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#if 0
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}
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#endif
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printf("%s", hexstr(val, 8));
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}
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printf("\n");
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}
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char *
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hexstr(int val, int len)
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{
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static char nbuf[9];
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int x, i;
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if (len > 8)
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return "";
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nbuf[len] = '\0';
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for (i = len-1; i >= 0; --i) {
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x = val & 0xF;
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if (x > 9)
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nbuf[i] = x - 10 + 'A';
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else
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nbuf[i] = x + '0';
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val >>= 4;
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}
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return nbuf;
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}
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