From: Timothy Miller <miller@techsource.com>
To: root@chaos.analogic.com
Cc: Tigran Aivazian <tigran@veritas.com>,
David Schwartz <davids@webmaster.com>,
Justin Piszcz <jpiszcz@hotmail.com>,
linux-kernel@vger.kernel.org
Subject: Re: Linux Kernel Microcode Question
Date: Mon, 22 Mar 2004 11:51:47 -0500 [thread overview]
Message-ID: <405F19A3.20001@techsource.com> (raw)
In-Reply-To: <Pine.LNX.4.53.0403221057400.17797@chaos>
Richard B. Johnson wrote:
>
> ALL instructions are performed by the microcode.
The Z80 had no microcode. It was completely hard-wired.
As I understand it, it's pretty much an ancient idea to do "everything"
by microcode. Only certain very complex instructions are done by microcode.
On the other hand, as I said before, it's not unreasonable for lookup
tables to be involved in instruction decoding.
next prev parent reply other threads:[~2004-03-22 16:34 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-18 16:40 Linux Kernel Microcode Question Justin Piszcz
2004-03-18 16:59 ` Dave Jones
2004-03-18 17:13 ` David Schwartz
2004-03-19 17:27 ` Tigran Aivazian
2004-03-19 23:16 ` David Schwartz
2004-03-22 11:55 ` Tigran Aivazian
2004-03-22 15:51 ` Timothy Miller
2004-03-22 15:40 ` Tigran Aivazian
2004-03-22 16:19 ` Timothy Miller
2004-03-22 19:14 ` David Schwartz
2004-03-22 20:58 ` John Bradford
2004-03-22 16:13 ` Richard B. Johnson
2004-03-22 16:51 ` Timothy Miller [this message]
2004-03-22 17:14 ` Richard B. Johnson
2004-03-18 16:59 ` Richard B. Johnson
2004-03-18 17:07 ` Robert Love
2004-03-19 0:16 ` Bill Davidsen
2004-03-19 12:56 ` Richard B. Johnson
2004-03-18 22:20 ` Tigran Aivazian
-- strict thread matches above, loose matches on Subject: below --
2004-03-18 17:19 Nakajima, Jun
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