From: lsorense@csclub.uwaterloo.ca (Lennart Sorensen)
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: Joe Bob Spamtest <joebob@spamtest.viacore.net>,
linux-kernel@vger.kernel.org
Subject: Re: Pure 64 bootloaders
Date: Wed, 14 Sep 2005 09:20:45 -0400 [thread overview]
Message-ID: <20050914132045.GS28551@csclub.uwaterloo.ca> (raw)
In-Reply-To: <5A770DA0-A30F-45B1-A47A-2FD21714FA3C@mac.com>
On Tue, Sep 13, 2005 at 11:44:55PM -0400, Kyle Moffett wrote:
> PowerPC was designed 64-bit from the start too! It's just that the
> architecture design group also realized that there would be a demand
> for 32-bit CPUs, and so from the _64-bit_ system, they designed a 32-
> bit system whose entire instruction set would be forward-compatible
> to 64-bit systems when they came out. That's why 32-bit PowerPC
> machine code and 64-bit PowerPC machine code are completely identical
> except that 64-bit CPUs also have a few opcodes to process 64-bit
> data and a few extra kernel-mode registers.
Hmm, so how does that fit with needing both 32 and 64bit libraries on a
ppc system? It seems apple forgot the 64bit part of a library recently
in a security fix, or is that something more to do with their os than
the cpu?
Len Sorensen
next prev parent reply other threads:[~2005-09-14 13:20 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-10 7:42 Jim Gifford
2005-09-10 7:52 ` Jeff Garzik
2005-09-10 8:01 ` David S. Miller
2005-09-11 16:33 ` Jim Gifford
2005-09-11 18:48 ` David S. Miller
2005-09-11 18:49 ` David S. Miller
2005-09-10 8:28 ` Andi Kleen
2005-09-10 8:39 ` Jeff Garzik
2005-09-10 16:34 ` Chris Wedgwood
2005-09-10 18:15 ` David S. Miller
2005-09-12 21:32 ` Joe Bob Spamtest
2005-09-12 21:41 ` David S. Miller
2005-09-12 22:02 ` Joe Bob Spamtest
2005-09-12 22:12 ` David S. Miller
2005-09-12 23:09 ` Joe Bob Spamtest
2005-09-13 16:52 ` Lennart Sorensen
2005-09-13 17:00 ` Joe Bob Spamtest
2005-09-14 3:44 ` Kyle Moffett
2005-09-14 13:20 ` Lennart Sorensen [this message]
2005-09-14 17:26 ` Kyle Moffett
2005-09-13 17:21 ` Maciej W. Rozycki
2005-09-13 19:37 ` Lennart Sorensen
2005-09-14 9:39 ` Maciej W. Rozycki
2005-09-10 18:30 ` Harald Dunkel
2005-09-12 14:50 ` Roger Heflin
2005-09-13 17:14 ` Bastian Blank
2005-09-15 6:16 ` Harald Dunkel
2005-09-11 11:53 ` Stephen Frost
2005-09-11 14:14 ` Stefan Smietanowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20050914132045.GS28551@csclub.uwaterloo.ca \
--to=lsorense@csclub.uwaterloo.ca \
--cc=joebob@spamtest.viacore.net \
--cc=linux-kernel@vger.kernel.org \
--cc=mrmacman_g4@mac.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®