Re: Serial support - one more point

[Christoph Plattner]

Hello again !

Your (Mr. OKUJI)  idea with the preset menu executed first (before any
other
initialization of high level things (network, etc...) is done), leads me
to 
new aspect of diskless versus normal boot.

If you can use the preset menu in this way, then the preset menu can be
the
key for diskless operation or not. So it is not neccessary to build to 
`stage2' (pre-stage2 and diskless). I only need a pre-stage2 and in the
preset menu the commands

        bootp
        root (nd)

does the preparation. But for this a missed option in the command
`configfile'
is missed. Something like `configfile --default' which loads the default
config
file, the file with the name defined in asm.S (which is
`/boot/grub/menu.lst' or
after calling `bootp' and if tag T150 is define the netbooted menu file. 
Preset menu:

        bootp
        root (nd)
        configfile --default

With friendly regards

        Christoph Plattner



OKUJI Yoshinori wrote:
> 
> From: Christoph Plattner <address@hidden>
> Subject: Serial support - one more point
> Date: Fri, 02 Mar 2001 22:16:58 +0100
> 
> > The problem I see is, that the menu file or the preset menu file is
> > executed after the ethernet probes, etc.
> 
> I see. Then, what do you think about sending the automatic bootp/dhcp
> request _after_ loading a preset menu? I don't think this is difficult
> to be implemented.
> 
> > On the other side, there is nearly no BIOS, too, which can handle poorly
> > the
> > serial line.
> 
> We don't use BIOS for serial controllers anyway.
> 
> Okuji

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