1998/0710/pc/i8253.c (diff list | history)

1997/0327/sys/src/9/pc/i8253.c:98,100 – 1998/0710/sys/src/9/pc/i8253.c:98,114 (short | long | prev | next)
Add i8253read. rsc Fri Mar 4 12:44:25 2005
1997/0327		{ intrenable(VectorCLOCK, clockintr, 0, BUSUNKNOWN); }
1998/0710		Lock i8253lock; /* * return time elapsed since clock start in * 10ths of nanoseconds */ uvlong i8253read(uvlong *hz) { if(hz) *hz = HZ; return m->ticks; }