From: "Rolf Liu" <rolfl@sc.mcel.mot.com>
To: "Gary Thomas" <gthomas@redhat.com>
Cc: <linuxppc-dev@lists.linuxppc.org>
Subject: Re: separate kernel as code segment and data segment for linux p
Date: Thu, 4 Jan 2001 11:49:36 +0800 [thread overview]
Message-ID: <000a01c07601$5c3b7820$bf0102c8@sc.mcel.mot.com> (raw)
In-Reply-To: XFMail.20010103201404.gthomas@redhat.com
----- Original Message -----
From: Gary Thomas <gthomas@redhat.com>
To: Rolf Liu <rolfl@sc.mcel.mot.com>
Cc: <linuxppc-dev@lists.linuxppc.org>
Sent: Thursday, January 04, 2001 11:14 AM
Subject: RE: separate kernel as code segment and data segment for linux p
>
> On 04-Jan-2001 Rolf Liu wrote:
> >
> > Hi,all,
> > I am planning to run linux-ppc on ppc823 FADS board.
> > As all know, the kernel is resided in flash rom, then upon power-on,
kernel
> > is copied to RAM.
> > I wonder if I can just put data segment to ram and leave code segment to
> > FLASH, just as uClinux
> > has done. such method will save some ram space, which makes sense on
> > embedded solutions.
> > Can you give me a hint how to realize it ?
> > Any suggestion is appreciated !
>
> This method is called XIP (for execute in place) and is available on
> some other architectures. I don't know what it would take for the PPC,
> but you could look at the work done on the Hitachi SH - I know it's
supported
> there.
Thanks a lot !
but where can I find the work about "Hitachi SH - " ?
Is there some data accessable through www ?
Best Regards
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2001-01-04 3:49 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-04 1:45 separate kernel as code segment and data segment for linux ppc ? Rolf Liu
2001-01-04 3:14 ` separate kernel as code segment and data segment for linux p Gary Thomas
2001-01-04 3:49 ` Rolf Liu [this message]
2001-01-04 4:07 ` Critical section - pSOS+ Srinivas Rao.M
2001-01-04 21:03 ` Jerry Van Baren
2001-01-05 5:19 ` Srinivas Rao.M
2001-01-04 18:07 ` separate kernel as code segment and data segment for linux p Dan Malek
2001-01-04 8:50 ` separate kernel as code segment and data segment for linux ppc ? Wolfgang Denk
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