## diffname power/faultmips.c 1990/1212
## diff -e /dev/null /n/bootesdump/1990/1212/sys/src/9/mips/faultmips.c
0a
#include	"u.h"
#include	"lib.h"
#include	"mem.h"
#include	"dat.h"
#include	"fns.h"
#include	"ureg.h"
#include	"errno.h"

/*
 *  find out fault address and type of access.
 *  Call common fault handler.
 */
void
faultmips(Ureg *ur, int user, int code)
{
	ulong addr;
	extern char *excname[];
	int read;

	addr = ur->badvaddr;
	addr &= ~(BY2PG-1);
	read = !(code==CTLBM || code==CTLBS);
	if(fault(addr, read) < 0){
		if(user){
			pprint("user %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
			pprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
			pexit("Suicide", 0);
		}
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
		u->p->state = MMUing;
		dumpregs(ur);
		panic("fault");
	}
}

/*
 * called in sysfile.c
 */
void
evenaddr(ulong addr)
{
	if(addr & 3){
		postnote(u->p, 1, "sys: odd address", NDebug);
		error(Ebadarg);
	}
}
.
## diffname power/faultmips.c 1991/0425
## diff -e /n/bootesdump/1991/0201/sys/src/9/mips/faultmips.c /n/bootesdump/1991/0425/sys/src/9/power/faultmips.c
19a
	m->pfault++;
.
## diffname power/faultmips.c 1991/0427
## diff -e /n/bootesdump/1991/0425/sys/src/9/power/faultmips.c /n/bootesdump/1991/0427/sys/src/9/power/faultmips.c
20d
## diffname power/faultmips.c 1991/0705
## diff -e /n/bootesdump/1991/0427/sys/src/9/power/faultmips.c /n/bootesdump/1991/0705/sys/src/9/power/faultmips.c
25,27c
			sprint(buf, "sys: fault %s pc=0x%lux addr=0x%lux",
				read? "read" : "write", ur->pc, ur->badvaddr);
			postnote(u->p, 1, buf, NDebug);
			notify(ur);
			return;
.
17a
	char buf[ERRLEN];
.
## diffname power/faultmips.c 1991/0926
## diff -e /n/bootesdump/1991/0705/sys/src/9/power/faultmips.c /n/bootesdump/1991/0926/sys/src/9/power/faultmips.c
34d
23a

.
## diffname power/faultmips.c 1991/1108
## diff -e /n/bootesdump/1991/0926/sys/src/9/power/faultmips.c /n/bootesdump/1991/1108/sys/src/9/power/faultmips.c
30d
## diffname power/faultmips.c 1991/1218
## diff -e /n/bootesdump/1991/1108/sys/src/9/power/faultmips.c /n/bootesdump/1991/1218/sys/src/9/power/faultmips.c
27,28c
			sprint(buf, "sys: trap: fault %s addr=0x%lux",
				read? "read" : "write", ur->badvaddr);
.
## diffname power/faultmips.c 1992/0111
## diff -e /n/bootesdump/1991/1218/sys/src/9/power/faultmips.c /n/bootesdump/1992/0111/sys/src/9/power/faultmips.c
7c
#include	"../port/error.h"
.
## diffname power/faultmips.c 1992/0321
## diff -e /n/bootesdump/1992/0111/sys/src/9/power/faultmips.c /n/bootesdump/1992/0321/sys/src/9/power/faultmips.c
2c
#include	"../port/lib.h"
.
## diffname power/faultmips.c 1992/0508
## diff -e /n/bootesdump/1992/0321/sys/src/9/power/faultmips.c /n/bootesdump/1992/0508/sys/src/9/power/faultmips.c
36a
	LEDOFF(LEDfault);
.
29a
			LEDOFF(LEDfault);
.
20a
	LEDON(LEDfault);
.
7a
#include	"io.h"
.
## diffname power/faultmips.c 1992/0609
## diff -e /n/bootesdump/1992/0508/sys/src/9/power/faultmips.c /n/bootesdump/1992/0609/sys/src/9/power/faultmips.c
23a
	if(addr & KZERO)
		LEDON(LEDkfault);
.
## diffname power/faultmips.c 1992/1105
## diff -e /n/bootesdump/1992/0609/sys/src/9/power/faultmips.c /n/bootesdump/1992/1105/sys/src/9/power/faultmips.c
37,38c
		iprint("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
		iprint("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
.
## diffname power/faultmips.c 1992/1124
## diff -e /n/bootesdump/1992/1105/sys/src/9/power/faultmips.c /n/bootesdump/1992/1124/sys/src/9/power/faultmips.c
37,38c
		print("kernel %s badvaddr=0x%lux\n", excname[code], ur->badvaddr);
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
.
25a
		print("KZERO %s badvaddr=0x%lux r31=0x%lux\n", excname[code],
			ur->badvaddr, ur->r31);
		print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
	}
.
24c
	if(addr & KZERO){
.
## diffname power/faultmips.c 1992/1125
## diff -e /n/bootesdump/1992/1124/sys/src/9/power/faultmips.c /n/bootesdump/1992/1125/sys/src/9/power/faultmips.c
26,29d
24c
	if(addr & KZERO)
.
## diffname power/faultmips.c 1992/1126
## diff -e /n/bootesdump/1992/1125/sys/src/9/power/faultmips.c /n/bootesdump/1992/1126/sys/src/9/power/faultmips.c
42c
	LEDOFF(LEDfault|LEDkfault);
.
24c
	if((addr & KZERO) && (0xffff0000 & addr) != USERADDR)
.
## diffname power/faultmips.c 1993/0501
## diff -e /n/bootesdump/1992/1126/sys/src/9/power/faultmips.c /n/fornaxdump/1993/0501/sys/src/brazil/power/faultmips.c
52c
		postnote(up, 1, "sys: odd address", NDebug);
.
42c
	print("kernel %s vaddr=0x%lux\n", excname[code], ur->badvaddr);
	print("status=0x%lux pc=0x%lux sp=0x%lux\n", ur->status, ur->pc, ur->sp);
	dumpregs(ur);
	panic("fault");
.
29,40c
	if(fault(addr, read) == 0)
		return;

	if(user) {
		p = "store";
		if(read)
			p = "load";
		sprint(buf, "sys: trap: fault %s addr=0x%lux", p, ur->badvaddr);
		postnote(up, 1, buf, NDebug);
		return;
.
24,25d
22d
19,20c
	char *p, buf[ERRLEN];
.
16a
	int read;
.
## diffname power/faultmips.c 1997/0327 # deleted
## diff -e /n/fornaxdump/1993/0501/sys/src/brazil/power/faultmips.c /n/emeliedump/1997/0327/sys/src/brazil/power/faultmips.c
1,53d