From: Ben Johnson <ben@blarg.net>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: "Martin J. Bligh" <mbligh@aracnet.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linear vs. logical addresses? how does cpu interpret kernel addrs?
Date: Tue, 16 Sep 2003 19:32:03 -0700 [thread overview]
Message-ID: <20030916193203.B26053@blarg.net> (raw)
In-Reply-To: <20030917021045.GY4306@holomorphy.com>; from wli@holomorphy.com on Tue, Sep 16, 2003 at 07:10:45PM -0700
On Tue, Sep 16, 2003 at 07:10:45PM -0700, William Lee Irwin III wrote:
>
> The way the extra data segment registers are used is by explicitly
> qualifying operands with segments.
ah! now that makes sense.
So, I'm guessing the DS register is used by default to select the base
address for all non-stack oriented operations. And I bet the SS
register is used by default for stack oriented operations, and all ops
that act on %esp (and %ebp?). I think that make my life easier.
Thanks a lot!
- Ben
next prev parent reply other threads:[~2003-09-17 2:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-16 22:47 linear vs. logical addresses? how does cpu interpret kernel addrs? Ben Johnson
2003-09-17 0:48 ` Martin J. Bligh
2003-09-17 0:54 ` William Lee Irwin III
2003-09-17 0:58 ` Martin J. Bligh
2003-09-17 1:44 ` Ben Johnson
2003-09-17 1:55 ` William Lee Irwin III
2003-09-17 2:07 ` Ben Johnson
2003-09-17 2:10 ` William Lee Irwin III
2003-09-17 2:32 ` Ben Johnson [this message]
2003-09-17 2:10 ` Felipe Alfaro Solana
2003-09-17 11:39 ` Richard B. Johnson
2003-09-17 19:42 ` Ben Johnson
2003-09-17 20:05 ` Richard B. Johnson
2003-09-17 20:44 ` Jamie Lokier
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