Re: IDE problem?
Mark Lord (mlord@pobox.com)
Sun, 16 May 1999 17:06:47 -0400
Rogier Wolff wrote:
...
> lba_sects = (lba_sects << 16) | (lba_sects >> 16);
>...
> As "lba_sects" is defined a "long", this will be 64 bits on
> Alpha. Swapping the words with the "(lba_sects << 16) | (lba_sects >>
> 16);" wont work: you're counting on 32bit arithmetic. I recommend
> adding the appropriate & 0xffff's in there...
But the original data is only unsigned 32-bit,
so the word-swap shown above should work regardless
of the size of lba_sects (>= 32bits). Right?
--
mlord@pobox.com
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