/* $NetBSD: machdep.c,v 1.9 2024/09/25 09:39:11 rin Exp $ */
/*
* Copyright (c) 1992 OMRON Corporation.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* 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 the University of
* California, Berkeley and its contributors.
* 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.
*
* @(#)machdep.c 8.1 (Berkeley) 6/10/93
*/
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* 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. 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.
*
* @(#)machdep.c 8.1 (Berkeley) 6/10/93
*/
int
badaddr(volatile void *addr)
{
label_t faultbuf;
#ifdef lint
int i;
i = *addr; if (i) return 0;
#endif
nofault = (int *)&faultbuf;
if (setjmp((label_t *)nofault)) {
nofault = NULL;
return 1;
}
(void)*(volatile short *)addr;
nofault = NULL;
return 0;
}
void
regdump(int *rp /* must not be register */, int sbytes)
{
static int doingdump = 0;
int i;
int s;
if (doingdump)
return;
s = splhigh();
doingdump = 1;
#if 0
printf("pid = %d, pc = %s, ", u.u_procp->p_pid, hexstr(rp[PC], 8));
#endif
printf("pc = %s, ", hexstr(rp[PC], 8));
printf("ps = %s, ", hexstr(rp[PS], 4));
printf("sfc = %s, ", hexstr(getsfc(), 4));
printf("dfc = %s\n", hexstr(getdfc(), 4));
#if 0
printf("p0 = %x@%s, ",
u.u_pcb.pcb_p0lr, hexstr((int)u.u_pcb.pcb_p0br, 8));
printf("p1 = %x@%s\n\n",
u.u_pcb.pcb_p1lr, hexstr((int)u.u_pcb.pcb_p1br, 8));
#endif
printf("Registers:\n ");
for (i = 0; i < 8; i++)
printf(" %d", i);
printf("\ndreg:");
for (i = 0; i < 8; i++)
printf(" %s", hexstr(rp[i], 8));
printf("\nareg:");
for (i = 0; i < 8; i++)
printf(" %s", hexstr(rp[i+8], 8));
if (sbytes > 0) {
#if 0
if (rp[PS] & PSL_S) {
#endif
/*
* XXXGCC12
* Dereference to `(int *)(&rp) - 1` (SR in H/W exception frame) is
* blamed by GCC12 and later. Just silence as done for m68k/regdump.c.
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Warray-bounds"
static void
dumpmem(int *ptr, int sz, int ustack)
{
int i, val;
for (i = 0; i < sz; i++) {
if ((i & 7) == 0)
printf("\n%s: ", hexstr((int)ptr, 6));
else
printf(" ");
#if 0
if (ustack == 1) {
if (ufetch_int((void *)(ptr++), (u_int *)&val) != 0)
break;
} else {
if (ustack == 0 &&
(ptr < KSADDR || ptr > KSADDR+(NBPG/4-1)))
break;
#endif
val = *ptr++;
#if 0
}
#endif
printf("%s", hexstr(val, 8));
}
printf("\n");
}
char *
hexstr(int val, int len)
{
static char nbuf[9];
int x, i;
if (len > 8)
return "";
nbuf[len] = '\0';
for (i = len-1; i >= 0; --i) {
x = val & 0xF;
if (x > 9)
nbuf[i] = x - 10 + 'A';
else
nbuf[i] = x + '0';
val >>= 4;
}
return nbuf;
}
