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From: Linus Torvalds <torvalds@transmeta.com>
To: John Bradford <john@grabjohn.com>
Cc: Jamie Lokier <jamie@shareable.org>,
	William Lee Irwin III <wli@holomorphy.com>,
	Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Flame Linus to a crisp!
Date: Thu, 24 Apr 2003 07:45:16 -0700 (PDT)	[thread overview]
Message-ID: <Pine.LNX.4.44.0304240741530.20549-100000@home.transmeta.com> (raw)
In-Reply-To: <200304240816.h3O8GGrH000399@81-2-122-30.bradfords.org.uk>


On Thu, 24 Apr 2003, John Bradford wrote:
> 
> Incidently, using the Transmeta CPUs, is it not possible for the user
> to replace the controlling software with their own code?  I.E. not
> bother with X86 compatibility at all, but effectively design your own
> CPU?  Couldn't we make the first Lin-PU this way?

Well, I have to say that Transmeta CPU's aren't exactly known for their 
openness ;)

Also, the native mode is not very pleasant at all, and it really is 
designed for translation (and with a x86 flavour, too). You might as well 
think of it as a microcode on steroids.

If open hardware is what you want, FPGA's are actually getting to the
point where you can do real CPU's with them. They won't be gigahertz, and
they won't have big nice caches (but hey, you might make something that
clocks fairly close to memory speeds, so you might not care about the
latter once you have the former).

They're even getting reasonably cheap.

		Linus


  parent reply	other threads:[~2003-04-24 14:32 UTC|newest]

Thread overview: 230+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-24  3:59 Flame Linus to a crisp! Linus Torvalds
2003-04-24  4:40 ` Joel Jaeggli
2003-04-24  4:43 ` Greg KH
2003-04-24  4:57   ` Linus Torvalds
2003-04-24  5:02     ` Clemens Schwaighofer
2003-04-24  5:39       ` viro
2003-04-24  5:56         ` Valdis.Kletnieks
2003-04-24  8:46           ` Dax Kelson
2003-04-24  9:46         ` Clemens Schwaighofer
2003-04-24 10:54       ` Felipe Alfaro Solana
2003-04-25  0:07         ` Clemens Schwaighofer
2003-04-24  4:54 ` Andre Hedrick
2003-04-24  5:16   ` Linus Torvalds
2003-04-24 13:08     ` Shawn
2003-04-24 20:12       ` Kenneth Johansson
2003-04-24 17:32     ` Andreas Boman
2003-04-24 17:41       ` William Lee Irwin III
2003-04-24 19:39         ` Balram Adlakha
2003-04-26 17:05       ` Riley Williams
2003-04-24  5:02 ` Mark J Roberts
2003-04-24  5:13   ` Clemens Schwaighofer
2003-04-24  5:15 ` William Lee Irwin III
2003-04-24  5:43   ` Linus Torvalds
2003-04-24  6:15     ` William Lee Irwin III
2003-04-24  7:44       ` Jamie Lokier
2003-04-24  8:03         ` Jan-Benedict Glaw
2003-04-25  1:16           ` Jan Harkes
2003-04-25  1:35             ` Stan Bubrouski
2003-04-24  8:16         ` John Bradford
2003-04-24  8:31           ` Jamie Lokier
2003-04-24  8:59             ` John Bradford
2003-04-24  8:50           ` Jamie Lokier
2003-04-24 14:45           ` Linus Torvalds [this message]
2003-04-24 15:00             ` Jeff Garzik
2003-04-24 19:03             ` Daniel Phillips
2003-04-24 19:32               ` Timothy Miller
2003-04-24 19:22                 ` Linus Torvalds
2003-04-24 20:19                   ` Jamie Lokier
2003-04-24 20:35                   ` Timothy Miller
2003-04-24 19:39                 ` Balram Adlakha
2003-04-24 21:02                   ` Jamie Lokier
2003-04-24 18:58         ` Daniel Phillips
2003-04-24 21:08           ` Jamie Lokier
2003-04-24 21:37             ` Timothy Miller
2003-04-24 21:30               ` Jamie Lokier
2003-04-24 21:38                 ` John Bradford
2003-04-25  3:20                   ` Shawn
2003-04-25  5:47                     ` Jamie Lokier
2003-04-25  7:02                       ` John Bradford
2003-04-25  8:05                         ` Simple x86 Simulator (was: Re: Flame Linus to a crisp!) Steven Augart
2003-04-25 15:38                           ` Timothy Miller
2003-04-25 16:10                             ` John Bradford
2003-04-25 11:44                               ` Antonio Vargas
2003-04-25  8:52                         ` Flame Linus to a crisp! Helge Hafting
2003-04-25 14:03                   ` Mike Dresser
2003-04-24 21:42                 ` Russell King
2003-04-25  6:08               ` Jan-Benedict Glaw
2003-04-25 11:46                 ` Antonio Vargas
2003-04-24 10:57     ` Giuliano Pochini
2003-04-24 22:51     ` Adrian Bunk
2003-04-24  7:55 ` Jamie Lokier
2003-04-24  8:37 ` Andreas Jellinghaus
2003-04-24  8:59   ` Jamie Lokier
2003-04-24 12:52     ` Andreas Jellinghaus
2003-04-24 15:37     ` Timothy Miller
2003-04-24 18:35       ` Alan Cox
2003-04-24 20:46         ` Timothy Miller
2003-04-24 20:50           ` Jamie Lokier
2003-04-24 21:03             ` Chris Adams
2003-04-24 22:29         ` Werner Almesberger
2003-04-24 22:41           ` Jamie Lokier
2003-04-24 22:54             ` Werner Almesberger
2003-04-25  0:26               ` Jamie Lokier
2003-04-24 22:41           ` Alan Cox
2003-04-27 14:21           ` Matthias Andree
2003-04-27 16:13             ` Stephan von Krawczynski
2003-04-27 16:59             ` Why DRM exists [was Re: Flame Linus to a crisp!] Larry McVoy
2003-04-27 17:04               ` Ben Collins
2003-04-27 17:34               ` Michael Buesch
2003-04-27 18:41                 ` Henrik Persson
2003-04-27 17:35               ` Måns Rullgård
2003-04-27 17:49                 ` Mirar
2003-04-27 23:15                   ` H. Peter Anvin
2003-04-27 17:59                 ` Michael Buesch
2003-04-27 21:28                 ` Alan Cox
2003-04-28  1:48                 ` rmoser
2003-04-28  9:05                   ` Måns Rullgård
2003-04-28 10:44                   ` The X-Window System John Bradford
2003-04-28 14:37                     ` Herman Oosthuysen
2003-04-28 16:28                       ` uaca
2003-05-06  3:55                         ` Miles Bader
2003-04-27 18:07               ` Why DRM exists [was Re: Flame Linus to a crisp!] Matthias Schniedermeyer
2003-04-27 18:35               ` Chris Adams
2003-04-27 18:50                 ` Larry McVoy
2003-04-27 19:11                   ` Davide Libenzi
2003-04-27 20:13                   ` Frank van Maarseveen
2003-04-27 20:34                   ` walt
2003-04-27 21:26                   ` Alan Cox
2003-04-27 22:07                   ` Ross Vandegrift
2003-04-27 22:32                     ` Larry McVoy
2003-04-27 22:05                       ` Alan Cox
2003-04-27 23:28                         ` Larry McVoy
2003-04-28  0:06                           ` Ross Vandegrift
2003-04-28 11:03                           ` Alan Cox
2003-04-29 18:06                           ` Timothy Miller
2003-04-28  9:06                       ` Eric W. Biederman
2003-04-28 14:55                       ` Michael Buesch
2003-04-28 20:04                       ` Matthias Schniedermeyer
2003-04-28 20:18                         ` Larry McVoy
2003-04-28 20:22                           ` Chris Adams
2003-04-28 21:24                             ` Larry McVoy
2003-04-28 21:40                               ` Roman Zippel
2003-04-28 22:13                               ` Alan Cox
2003-04-28 22:16                           ` Alan Cox
2003-04-29  0:09                             ` Larry McVoy
2003-04-29  4:07                               ` Dax Kelson
2003-04-29  5:08                                 ` Larry McVoy
2003-04-29 16:40                                 ` Scott Robert Ladd
2003-04-29 21:45                                   ` Helge Hafting
2003-04-30  9:58                                   ` Jamie Lokier
2003-04-30 15:06                                     ` Scott Robert Ladd
2003-04-29  5:59                               ` Theodore Ts'o
2003-04-29 16:41                                 ` Scott Robert Ladd
2003-04-29 14:35                               ` Alan Cox
2003-04-27 22:34                   ` Matthias Andree
2003-04-27 22:51                   ` Matthew Kirkwood
2003-04-27 23:53                     ` Larry McVoy
2003-04-28  0:00                       ` rmoser
     [not found]                         ` <20030428001001.GP23068@work.bitmover.com>
2003-04-28  0:19                           ` rmoser
2003-04-28  0:37                             ` Larry McVoy
2003-04-28  0:40                               ` rmoser
2003-04-28 11:38                   ` Jan-Benedict Glaw
2003-04-29 14:21                   ` Timothy Miller
2003-04-29 14:27                     ` Henrik Persson
2003-04-29 19:56                       ` Timothy Miller
2003-04-29 20:35                         ` Henrik Persson
2003-04-30  8:39                     ` Jamie Lokier
2003-04-27 18:47               ` William Lee Irwin III
2003-04-27 18:56               ` Werner Almesberger
2003-04-27 19:20               ` Geert Uytterhoeven
2003-04-27 21:30               ` Jon Portnoy
2003-04-27 21:32               ` Alan Cox
2003-04-27 22:36                 ` Larry McVoy
2003-04-27 21:56                   ` Alan Cox
2003-04-27 23:08                     ` Matthew Kirkwood
2003-04-27 22:16                       ` Alan Cox
2003-04-27 23:35                   ` Matthias Andree
2003-04-27 22:07               ` Matthias Andree
2003-04-28  0:36               ` Scott Robert Ladd
2003-04-28  9:57               ` Stephan von Krawczynski
2003-05-06 15:58                 ` Henning P. Schmiedehausen
2003-05-07 14:44                   ` Stephan von Krawczynski
2003-05-07 14:28                     ` Alan Cox
2003-05-07 21:40                     ` Henning P. Schmiedehausen
2003-05-07 22:16                       ` Alan Cox
2003-05-08  0:33                       ` Kurt Wall
2003-04-28 11:26               ` Jan-Benedict Glaw
2003-05-06 15:59                 ` Henning P. Schmiedehausen
2003-04-28 22:50               ` Timothy Miller
2003-04-29 14:46               ` Jeffrey Souza
2003-04-29 15:16                 ` venom
2003-04-30  9:35                 ` Jamie Lokier
     [not found]             ` <20030427171007$6d24@gated-at.bofh.it>
2003-04-27 20:08               ` Why DRM exists Florian Weimer
2003-04-24 19:23       ` Flame Linus to a crisp! Jamie Lokier
2003-04-24 19:50         ` Balram Adlakha
2003-04-24  8:57 ` Arjan van de Ven
2003-04-24  9:19   ` Russell King
2003-04-24 11:38     ` Shachar Shemesh
2003-04-24 17:46       ` Shachar Shemesh
2003-04-24 14:59   ` Linus Torvalds
2003-04-24 12:39 ` Mark Mielke
2003-04-24 15:53 ` Elladan
2003-04-24 18:31 ` Daniel Phillips
2003-04-24 23:15   ` Werner Almesberger
2003-04-25 11:28     ` Eric W. Biederman
2003-04-27  1:31       ` Werner Almesberger
2003-04-27  1:59         ` David Wagner
2003-04-25 14:37     ` Daniel Phillips
2003-04-25 15:17       ` Valdis.Kletnieks
2003-04-25 17:37       ` Werner Almesberger
2003-04-26 21:59         ` Daniel Phillips
2003-04-26 13:00     ` Geert Uytterhoeven
2003-04-26 18:22       ` Linus Torvalds
2003-04-26 18:41         ` viro
2003-04-26 18:48           ` Linus Torvalds
2003-04-28 14:20           ` John Stoffel
2003-04-26 19:23         ` Michael Buesch
2003-04-28 10:35         ` Andre Hedrick
2003-04-28 12:12           ` Jörn Engel
2003-04-28 14:01           ` Zack Gilburd
2003-04-28 14:30             ` Geert Uytterhoeven
2003-04-26 18:21   ` Rik van Riel
2003-04-26 23:34     ` Jamie Lokier
2003-04-27  3:59     ` Werner Almesberger
2003-04-24 20:16 ` Nils Holland
2003-04-25  4:46 ` My take on Trusted Computing and DRM Joseph Pingenot
     [not found] <20030424041004$113a@gated-at.bofh.it>
2003-04-24  4:53 ` Flame Linus to a crisp! Tony 'Nicoya' Mantler
2003-04-24 12:36 Downing, Thomas
2003-04-24 14:12 ` Timothy Miller
2003-04-24 22:48   ` Werner Almesberger
2003-04-25 12:29   ` Ragnar Hojland Espinosa
2003-04-25 15:45     ` Timothy Miller
2003-04-24 20:39 Downing, Thomas
2003-04-24 21:28 ` Jamie Lokier
2003-04-24 21:42   ` Daniel Phillips
2003-04-24 22:45     ` Alan Cox
2003-04-24 23:59       ` Daniel Phillips
2003-04-25  9:07         ` Helge Hafting
2003-04-25 13:01       ` David Luyer
2003-04-25  8:13   ` Andreas Jellinghaus
2003-04-25 19:12     ` Jamie Lokier
2003-04-25 20:56       ` Andreas Jellinghaus
2003-04-25 21:50         ` Jamie Lokier
2003-04-24 21:55 Daniel Callahan
2003-04-24 22:10 Downing, Thomas
2003-04-24 22:36 ` Jamie Lokier
2003-04-25 12:23 Downing, Thomas
2003-04-25 12:36 Downing, Thomas
2003-04-27  7:25 ` Adrian Bunk
2003-04-25 12:41 Downing, Thomas
2003-04-25 12:57 Downing, Thomas
     [not found] <Pine.LNX.4.44.0304232012400.19176-100000@home.transmeta.co m>
2003-04-27 10:52 ` Houston, I think we have a problem Mike Galbraith
2003-04-27 14:41   ` Martin J. Bligh
2003-04-27 17:25     ` Mike Galbraith
2003-04-27 17:29       ` Martin J. Bligh
2003-04-27 17:41         ` Mike Galbraith
2003-04-27 17:54           ` Mike Galbraith
2003-04-28  5:17     ` Mike Galbraith
2003-04-28  6:15   ` Jan Harkes
2003-04-28  9:30 Flame Linus to a crisp! Martin_List-Petersen

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