Date: Wed, 5 May 1999 09:09:06 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: fygrave@tigerteam.net Cc: freebsd-hackers@freebsd.org, tech@openbsd.org Subject: Re: io ports reading/writing Message-ID: <Pine.BSF.4.05.9905050908040.411-100000@herring.nlsystems.com> In-Reply-To: <Pine.LNX.4.05.9905051031140.440-100000@gizmo.kyrnet.kg>
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On Wed, 5 May 1999, CyberPsychotic wrote: > Hello people, > I am abit stuck with io ports access using BSD kernel routines. I > searched the sources three for the apropriate examples but didn't find > much. On linux I used ioperm/inb/outb routines, but they don't seem to be > implemented in BSD world (while inb/outb isn't a problem, since two asm > instructions would represent that, ioperm is). I would appreciate if > anyone could point me to apropriate examples or drop a sample code. I think you just open /dev/io and use inb/outb. Be warned that this will only work on i386 - the alpha uses a library, libio, to emulate inb/outb in user programs. -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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