From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Jamie Lokier <jamie@shareable.org>
Cc: Paul Mackerras <paulus@samba.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linus Torvalds <torvalds@transmeta.com>,
Linux Kernel Development <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] M68k IDE updates
Date: Tue, 15 Apr 2003 10:11:37 +0200 (MEST) [thread overview]
Message-ID: <Pine.GSO.4.21.0304151010240.26578-100000@vervain.sonytel.be> (raw)
In-Reply-To: <20030415044505.GA25139@mail.jlokier.co.uk>
On Tue, 15 Apr 2003, Jamie Lokier wrote:
> Geert Uytterhoeven wrote:
> > > Since __ide_mm_insw doesn't get told whether it is transferring normal
> > > sector data or drive ID data, it can't necessarily do the right thing
> > > in both situations.
> >
> > Indeed. Ataris and Q40/Q60s have byteswapped IDE busses, but they expect
> > on-disk data to be that way, for compatibility with e.g. TOS.
>
> Isn't that best solved in the TOS filesystem code?
There's also a partition table to read. BTW, Atari uses MS-DOS style
partitioning.
> That way, Ataris running Linux can read ext2 disks from other systems
> properly, and other systems can read TOS disks written by Ataris
> properly.
That's why there's also an option to swap all diskdata at the IDE level, so you
can take your Atari disks to a PC and vice versa.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2003-04-15 8:01 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-13 13:06 [PATCH] M68k IDE updates Geert Uytterhoeven
2003-04-13 14:10 ` Alan Cox
2003-04-13 23:43 ` Paul Mackerras
2003-04-14 8:39 ` Geert Uytterhoeven
2003-04-14 9:19 ` Benjamin Herrenschmidt
2003-04-14 9:24 ` Geert Uytterhoeven
2003-04-14 12:19 ` Alan Cox
2003-04-14 12:21 ` Alan Cox
2003-04-14 13:44 ` Geert Uytterhoeven
2003-04-14 16:03 ` Alan Cox
2003-04-15 4:45 ` Jamie Lokier
2003-04-15 8:11 ` Geert Uytterhoeven [this message]
2003-04-15 9:23 ` Jörn Engel
2003-04-15 9:52 ` Geert Uytterhoeven
2003-04-14 12:48 ` Alan Cox
2003-04-14 12:48 ` Alan Cox
2003-04-14 17:44 ` Linus Torvalds
2003-04-14 19:54 ` Geert Uytterhoeven
2003-04-14 22:31 ` Paul Mackerras
2003-04-15 8:14 ` Geert Uytterhoeven
2003-04-21 16:55 ` Geert Uytterhoeven
2003-04-22 14:49 ` Alan Cox
2003-04-22 13:55 Mudama, Eric
[not found] <Pine.GSO.4.21.0304221802570.16017-100000@vervain.sonytel.be>
2003-04-23 11:27 ` Richard Zidlicky
2003-04-23 11:04 ` Alan Cox
2003-04-23 20:19 ` John Bradford
2003-04-24 9:47 ` Richard Zidlicky
2003-04-24 11:26 ` Geert Uytterhoeven
2003-04-24 13:14 ` Richard Zidlicky
2003-04-24 14:11 ` Geert Uytterhoeven
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