On Fri, Jul 22, 2005 at 12:57:58PM +0200, Michael Kerrisk wrote:
> > tag 263756 patch
> > thanks
> >
> > I propose to replace the text of the relevent paragraph (CONFORMING
> > TO) with:
> >
> > outb and friends are hardware specific. The value argument is
> > passed secand and the port argument is passed first, which
> > is the opposite order from most DOS implementations.
> >
> > (as per: /usr/include/asm/io.h)
>
> Hi Justin,
>
> I do not really know the answer on this point, but how do
> you deduce this order from that header file?
>
> Some grepping of kernel sources seems to indicate to me that
> the order is outb(value, port). Also in /usr/include/sys/io.h
> I see:
>
> static __inline void
> outb (unsigned char value, unsigned short int port)
You are right, and I suppose that is what I was thinking. Here is a
line of code that I used 2 years ago:
outb(byte, port);
That should answer that ..
Thanks for being critical,
Justin
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