[time-nuts] FreeBSD, NetBSD, or Minix-III?

Poul-Henning Kamp phk at phk.freebsd.dk
Mon May 18 05:20:58 EDT 2009


In message <20090518081256.97F2BBCE6 at ip-64-139-1-69.sjc.megapath.net>, Hal Murr
ay writes:

>I was going to put the Unix clock in the FPGA.  It's a pair of 32 bit words.  
>The high word is seconds since some magic date/time.  The low word is 
>nano-seconds within this second.

Please, will you guys stop reinventing the octagonal wheel, and at least
look at the blueprint for the round wheel ?

	http://phk.freebsd.dk/pubs/timecounter.pdf

If there is anything you don't understand or wants explained in that paper,
by all means ask!

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.




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