3 files changed, 4 insertions(+), 3 deletions(-)

M gnot/fault68020.c
M gnot/trap.c
M port/devmux.c

@@ 55,7 55,6 @@ fault68020(Ureg *ur, FFrame *f)
 	}
 	insyscall = u->p->insyscall;
 	u->p->insyscall = 1;
-	u->dbgreg = ur;
 	addr = 0;	/* set */
 	if(f->ssw & DF)
 		addr = f->addr;


@@ 80,6 79,8 @@ fault68020(Ureg *ur, FFrame *f)
 	badvaddr = addr;
 	addr &= ~(BY2PG-1);
 	user = !(ur->sr&SUPER);
+	if(user)
+		u->dbgreg = ur;
 
 	if(f->ssw & DF)
 		read = (f->ssw&READ) && !(f->ssw&RM);

@@ 322,7 322,7 @@ syscall(Ureg *aur)
 			error(Ebadarg);
 		}
 		if(sp & (BY2WD-1)){
-			pprint("odd sp in sys call pc %lux sp %lux\n", 
+			pprint("odd sp in sys call pc %lux sp %lux\n",
 				((Ureg*)UREGADDR)->pc, ((Ureg*)UREGADDR)->sp);
 			msg = "sys: odd stack";
 			goto Bad;

@@ 135,7 135,7 @@ muxattach(char *spec)
 {
 	Chan *c;
 
-	c = devattach('m', spec);
+	c = devattach('s', spec);
 	c->qid.path = CHDIR|Qdir;
 	return c;
 }