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NewWorld CD Booting?

From: Andrei Warkentin
Subject: NewWorld CD Booting?
Date: Tue, 14 Mar 2006 22:43:26 -0600


I really don't know who else to approach with this, and this is (potentially) GRUB 2 related (if/when GRUB2 boots from CD). Basically I hack away at my "kernel attempt" on a an '05 iBook (dev system is 10.4), and decided to look into making a bootable CD so I could use QEMU PPC emulator instead of rebooting to test after every compile.

I created the bootinfo file (like this):
EKP++ for Mac.
boot cd:,\ekp++\kernel

Created an HFS+ filesystem, blessed the right folder. Basically OF considers the made CD a "bootable CD". Moreover, I can boot everything fine if I do something like... boot cd:,\ekp++\BootX <--- note that BootX is what bless(8) copies my bootinfo script as to the image. This is just behaviour on the part of the Darwin bless(8) command. By "everything fine", I mean I get the gray screen, then it says "Booting ELF" and I see the text printed by my "kernel".

If I boot up while holding "C", I get the gray screen, I can hear the CDROM spin up, then I get kicked back to the white and black OF screen and there is an error about memory access violation.

Is there some technical difference between both boot-ups? Maybe the OF entry is passed differently? Maybe stdout handle isn't open? Help :(.

Andrei Evgenievich Warkentin
Cell: (+1) (847) 321-15-55

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