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Date:      Tue, 25 May 1999 09:30:04 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        Mohit Aron <aron@cs.rice.edu>
Cc:        freebsd-alpha@freebsd.org
Subject:   Re: programmable interrupt timer
Message-ID:  <Pine.BSF.4.05.9905250929240.447-100000@herring.nlsystems.com>
In-Reply-To: <199905250007.TAA19365@cs.rice.edu>

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On Mon, 24 May 1999, Mohit Aron wrote:

> Hi,
> 	the x86 machine use the 8253 programmable timer that can be programmed
> to interrupt at various frequencies. Does the alpha have a similar feature ?
> If so, can someone please tell me how to use it using from FreeBSD - I'm using
> verion 4.0-current on a 500MHz 21164 alpha.

The hardware is available on the alpha but I don't think its possible to
use it from userland. What apis do you use on the x86 to access this
timer?

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 442 9037




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