29 May
2003
29 May
'03
2:45 a.m.
Hello,
About how accurate in practice does the udelay() & other time base functions have to be? especially for ethernet/networking devices? I've currently got enough of the basics ported for my arm925/omap based board such that it comes to a u-boot shell, and things like sleep x work....I was thinking about moving on to getting my ethernet device working, and am a little uneasy about the way I (and it appears several others) have hacked the time conversions. Does gcc provide some nice 64 bit integer manipulation libraries which aren't huge? If so I'd be tempted to bring in some code which does the right thing and doesn't have to worry about integer over/under flows.
Regards/Thanks,
Richard W.