Subject: Re: Beige G3 - Unable to boot install
To: Christopher Tribo <t1345@hopi.dtcc.edu>
From: Henry B. Hotz <hotz@jpl.nasa.gov>
List: port-macppc
Date: 12/12/2002 09:51:52
I'm sure this is all true, but it doesn't apply to OF 1.0.5.  Anyone 
know about OF 3?

Thanks for the additional information Chris.

At 9:10 PM -0500 12/11/02, Christopher Tribo wrote:
>	To the best of my very small knowledge, what happens is this:
>patches are installed to NVRAM, then the open firmware environment
>variable boot-command is changed to X bootr. bootr is the command in
>NVRAMRC that does things based upon the boot-device variable. You'll
>notice that it does a pattern match on ide0, ide1, enet and scsi and the
>keyboard, installing various patches to things as they are used. This is
>the reason that you have to reset-all when you change your boot-device
>settings. So basically boot is an alias to bootr which is a forth
>subroutine in nvram-rc that calls the "real" boot command after hopefully
>doing the right stuff to make the "real" boot be able to do its thing.
>
>
>On Thu, 12 Dec 2002, Markus W Kilbinger wrote:
>
>>  >>>>> "Henry" == Henry B Hotz <hotz@jpl.nasa.gov> writes:
>>
>>      Henry> At 1:26 AM +0100 12/12/02, Markus W Kilbinger wrote:
>>      >> setenv boot-device ide/@0
>>      >> setenv boot-file netbsd
>>      >> reset-all
>>      >> 0 boot r
>>
>>      Henry> What is the significance of "0 bootr" vice "boot"?
>>
>>  In System Disk's installed OF patches this kind of function (I don't
>>  know anything about forth!) seems to be defined and '0 bootr' is set
>>  as 'boot-command'. So, it seems to be a kind of 'boot' patch for OF
>>  2.4 on beige g3v2....
>>
>>  Markus.
>>


-- 
The opinions expressed in this message are mine,
not those of Caltech, JPL, NASA, or the US Government.
Henry.B.Hotz@jpl.nasa.gov, or hbhotz@oxy.edu