Re: Ramdisk image on flash.

[Brian Murphy <brian@murphy.dk>]

Tibor Polgar wrote:

> Pete Popov wrote:
>  
>
> > On Wed, 2003-02-19 at 22:05, Krishnakumar. R wrote:
> >    
> >
> > > Hi,
> > >
> > > Is there any way that I can keep
> > > a ramdisk image (containing the root filesystem)
> > > in a flash device and boot to it.
> > >      
> > Yes, and other architectures have support for passing arguments to the
> > kernel that tell it where the ramdisk is. I don't know that we've done
> > that for MIPS, yet.  It wouldn't be too hard to do and maybe someone on
> > this list is already working on it (I think someone actually is working
> > on it and was preparing a patch for Ralf).
> >    
> For having separate initrd and kernel load we also need an aware bootloader
> that knows where to find the ramdisk.   RedBoot, from what i read, seems to be
> i386 specific.    The Yamon i've patched "COULD" be made to do it.   
>  
RedBoot is very portable and not at all i386 specific. I just ported it 
to the LASAT
boards I support in the linux kernel - it took a few days. When you have 
ported it
you almost instantly have a really nice embedded operating system too. 
Perhaps
you were confusing it with GRUB?

How this helps with ramdisks I don't know :-).

/Brian