1994/1006/pc/ns16552.h (diff list | history)

1994/0902/sys/src/9/pc/ns16552.h:66,80 – 1994/1006/sys/src/9/pc/ns16552.h:66,78 (short | long | prev | next)
Debugging or hw bug fix: don't panic if don't manage to clear all the interrupt bits after 1024 tries. rsc Fri Mar 4 12:44:25 2005
1994/0902		USED(ur); mp = arg; for(loops = 0;; loops++){ if(loops > 1024) panic("mp008intr");
1994/1006		for(loops = 0; loops < 1024; loops++){
1994/0902		n = ~inb(mp->mem); if(n == 0) return; for(i = 0; n; i++){ if(n & 1) ns16552intrx(ur, uart[mp->first+i]);
1994/1006		ns16552intrx(ur, (void*)(mp->first+i));
1994/0902		n >>= 1; } }