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From: julian@mailhub.tfs.com (Julian Elischer)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Question: How to inportb() and outportb() ....?
Date: 11 Nov 1995 13:10:12 GMT
Organization: TRW Financial Systems, Oakland, CA
Lines: 23
Message-ID: <4827bk$o91@times.tfs.com>
References: <48016i$42a@bob.ludd.luth.se> <30A40C97.15FB7483@FreeBSD.org>
NNTP-Posting-Host: mailhub.tfs.com
In article <30A40C97.15FB7483@FreeBSD.org>,
Jordan K. Hubbard <jkh@FreeBSD.org> wrote:
>I think we do expect you to use gcc's asm() statement to invoke the
>inb/outb insns directly (see X server sources for examples) and I'm not
>sure if there are C callable wrappers, but I could be wrong. Not a
>feature I use very much.. :-)
check out /usr/include/machine/cpufunc.h
(/usr/include/machine should be a link to /usr/src/sys/i386/include)
julian
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