1993/1116/pc/trap.c (diff list | history)

1993/1115/sys/src/9/pc/trap.c:234,239 – 1993/1116/sys/src/9/pc/trap.c:234,240 (short | long | prev | next)
1991/0731		int c;
1991/1113		char buf[ERRLEN];
1993/0217		Handler *h;
1993/1116		static int iret_traps;
1991/0703
1991/0731		v = ur->trap;
1993/1115/sys/src/9/pc/trap.c:240,245 – 1993/1116/sys/src/9/pc/trap.c:241,252
1993/1113		user = (ur->cs&0xffff) == UESEL;
1991/1112		if(user)
1993/0915		up->dbgreg = ur;
1993/1116		else if(ur->pc <= (ulong)end && *(uchar*)ur->pc == 0xCF) { if(iret_traps++ > 10) panic("iret trap"); return; } iret_traps = 0;
1991/1112
1991/0709		/* * tell the 8259 that we're done with the