separate kernel as code segment and data segment for linux p

[Rolf Liu]

----- Original Message -----
From: Gary Thomas <gthomas at redhat.com>
To: Rolf Liu <rolfl at sc.mcel.mot.com>
Cc: <linuxppc-dev at 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


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