Date: Thu, 08 Jul 1999 20:19:18 +0900 From: Seigo Tanimura <tanimura@naklab.dnj.ynu.ac.jp> To: dfr@nlsystems.com Cc: Seigo Tanimura <tanimura@naklab.dnj.ynu.ac.jp> Subject: Re: Rewriting pca(4) using finetimer(9) (was: Re: MPU401 now worksunderNew Midi Driver Framework with a Fine Timer) Message-ID: <199907081119.UAA28709@rina.naklab.dnj.ynu.ac.jp> In-Reply-To: Your message of "Thu, 8 Jul 1999 11:00:24 %2B0100 (BST)" References: <Pine.BSF.4.10.9907081056510.558-100000@salmon.nlsystems.com>
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On Thu, 8 Jul 1999 11:00:24 +0100 (BST), Doug Rabson <dfr@nlsystems.com> said: >> There is one problem in this method. acquire_timer0() is only implemented >> for i386. We would need to write something equivalent for alpha... dfr> The timer hardware on the alpha is essentially the same but the interrupts dfr> are wired up differently. I'm not sure how hard it would be to get timer0 dfr> working but I think it should be possible. I see. Then I can work on i386 first, and later on alpha. dfr> The alphas tend to run the main clock quite fast (typically 1024hz) so the dfr> granularity of timing is better but probably not good enough for midi or dfr> pca. I agree. Seigo Tanimura <tanimura@naklab.dnj.ynu.ac.jp> To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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