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/* $OpenBSD: machdep.c,v 1.1 1997/07/14 08:14:25 downsj Exp $ */
/* $NetBSD: machdep.c,v 1.4 1997/06/28 07:20:25 thorpej Exp $ */
/*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1986, 1990, 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.
*
* 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.
*
* from: Utah $Hdr: machdep.c 1.10 92/06/18
*
* @(#)machdep.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/param.h>
#include "samachdep.h"
char *
getmachineid()
{
extern int machineid, mmuid;
char *cp;
switch (machineid) {
case HP_320:
cp = "320"; break;
case HP_330:
cp = "318/319/330"; break;
case HP_340:
cp = "340"; break;
case HP_345:
cp = "345"; break;
case HP_350:
cp = "350"; break;
case HP_360:
cp = "360"; break;
case HP_370:
cp = "370"; break;
case HP_375:
cp = "375"; break;
case HP_380:
cp = "380"; break;
case HP_400:
cp = "400"; break;
case HP_425:
switch (mmuid) {
case MMUID_425_T:
cp = "425t"; break;
case MMUID_425_S:
cp = "425s"; break;
default:
cp = "425"; break;
}
break;
case HP_433:
switch (mmuid) {
case MMUID_433_T:
cp = "433t"; break;
case MMUID_433_S:
cp = "433s"; break;
default:
cp = "433"; break;
}
break;
default:
cp = "???"; break;
}
return(cp);
}
int userom;
struct trapframe {
int dregs[8];
int aregs[8];
int whoknows;
short sr;
int pc;
short frame;
};
trap(fp)
struct trapframe *fp;
{
static int intrap = 0;
if (intrap)
return(0);
intrap = 1;
#if 0
userom = 1;
#endif
printf("Got unexpected trap: format=%x vector=%x ps=%x pc=%x\n",
(fp->frame>>12)&0xF, fp->frame&0xFFF, fp->sr, fp->pc);
printf("dregs: %x %x %x %x %x %x %x %x\n",
fp->dregs[0], fp->dregs[1], fp->dregs[2], fp->dregs[3],
fp->dregs[4], fp->dregs[5], fp->dregs[6], fp->dregs[7]);
printf("aregs: %x %x %x %x %x %x %x %x\n",
fp->aregs[0], fp->aregs[1], fp->aregs[2], fp->aregs[3],
fp->aregs[4], fp->aregs[5], fp->aregs[6], fp->aregs[7]);
#if 0
userom = 0;
#endif
intrap = 0;
return(0);
}
#define ROWS 24
#define COLS 80
void
romputchar(c)
int c;
{
static char buf[COLS];
static int col = 0, row = 0;
int i;
switch (c) {
case '\0':
break;
case '\r':
break; /* ignore */
case '\n':
for (i = col; i < COLS-1; i++)
buf[i] = ' ';
buf[i] = '\0';
romout(row, buf);
col = 0;
if (++row == ROWS)
row = 0;
break;
case '\t':
do {
romputchar(' ');
} while (col & 7);
break;
default:
buf[col] = c;
if (++col == COLS-1)
romputchar('\n');
break;
}
}
void
machdep_start(entry, howto, loadaddr, ssym, esym)
char *entry;
int howto;
char *loadaddr;
char *ssym, *esym;
{
/* Fix what we were passed in from exec() */
entry = loadaddr;
#define round_to_size(x) (((int)(x) + sizeof(int) - 1) & ~(sizeof(int) - 1))
esym = (char *)round_to_size(esym - (char *)loadaddr);
#undef round_to_size
__asm __volatile ("movl %0,d7" : : "m" (howto));
__asm __volatile ("movl %0,d6" : : "m" (opendev));
__asm __volatile ("movl %0,d5" : : "m" (cons_scode));
__asm __volatile ("movl %0,a5" : : "a" (loadaddr));
__asm __volatile ("movl %0,a4" : : "a" (esym));
(*((int (*)())entry))();
}
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