1992/1130/power/trap.c (diff list | history)

1992/1129/sys/src/9/power/trap.c:103,111 – 1992/1130/sys/src/9/power/trap.c:103,112 (short | long | prev | next)
1990/0227		if(u == 0)
1990/0802		panic("fault u==0 pc %lux addr %lux", ur->pc, ur->badvaddr);
1992/1129
1990/0227		spllo(); x = u->p->insyscall; u->p->insyscall = 1;
1992/1130		spllo();
1990/1212		faultmips(ur, user, ecode);
1990/0227		u->p->insyscall = x; break;
1992/1129/sys/src/9/power/trap.c:165,176 – 1992/1130/sys/src/9/power/trap.c:166,176
1990/0227		void
1991/0209		intr(Ureg *ur)
1990/0227		{
1991/0212		int i, any;
1991/0316		uchar xxx;
1991/0212		uchar pend, npend;
1990/0227		long v;
1992/1130		int i, any;
1991/0209		ulong cause;
1991/0219		static int bogies;
1992/1130		uchar pend, npend, xxx;
1990/0227
1991/0425		m->intr++;
1991/0209		cause = ur->cause&(INTR5|INTR4|INTR3|INTR2|INTR1);
1992/1129/sys/src/9/power/trap.c:450,456 – 1992/1130/sys/src/9/power/trap.c:450,456
1991/0503		Ureg *nur; nur = u->ureg;
1992/1129		if(nur->status!=u->svstatus) {
1992/1130		if(nur->status != u->svstatus) {
1991/0717		pprint("bad noted ureg status %lux\n", nur->status);
1991/0503		pexit("Suicide", 0); }
1992/1129/sys/src/9/power/trap.c:505,516 – 1992/1130/sys/src/9/power/trap.c:505,512
1990/0227		ur = aur;
1992/0805		p->pc = ur->pc;
1991/1110		u->dbgreg = aur;
1990/0901		ur->cause = 15<<2; /* for debugging: system call is undef 15;
1990/0227		/* * since the system call interface does not
1991/0314		* guarantee anything about registers, we can * smash them. but we must save fpstatus.
1990/0227		*/
1992/1130		ur->cause = 15<<2; /* for debugging: system call is undef 15; */
1992/0407		if(p->fpstate == FPactive) {
1992/1129		if((ur->status&CU1) == 0) panic("syscall: FPactive but no CU1");
1992/1129/sys/src/9/power/trap.c:525,532 – 1992/1130/sys/src/9/power/trap.c:521,528
1992/0803		procctl(p);
1992/06271		u->scallnr = ur->r1;
1990/0227		sp = ur->sp; u->nerrlab = 0;
1992/1130		sp = ur->sp;
1990/0227		ret = -1;
1990/0511		if(!waserror()){
1992/06271		if(u->scallnr >= sizeof systab/sizeof systab[0]) {