Re: Linux Post codes during runtime, possibly OT
Mark Hahn (hahn@coffee.psychology.mcmaster.ca)
Fri, 26 Jan 2001 10:15:02 -0500 (EST)
> #ifdef SLOW_IO_BY_JUMPING
> #define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:"
> #else
> -#define __SLOW_DOWN_IO "\noutb %%al,$0x80"
> +#define __SLOW_DOWN_IO "\noutb %%al,$0x19"
this is nutty: why can't udelay be used here? empirical measurements
in the thread show the delay is O(2us).
-
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