Re: Performing installer tests on PowerMac with USB sticks
Hello!
On 4/30/19 10:42 PM, Thomas Schmitt wrote:
> There is a GRUB_INSTALL_PLATFORM_POWERPC_IEEE1275 for which
> grub-mkrescue produces bootable ISOs. I understand that the ISO gets
> prepared with HFS+ for this platform if a directory
>
> /usr/lib/grub/powerpc-ieee1275
>
> exists with the files from
>
> https://packages.debian.org/sid/ppc64el/grub-ieee1275-bin/filelist
>
> A merely bootable ISO which leads to a GRUB console prompt is produced
> by:
>
> mkdir minimal
> touch minimal/empty-file.txt
> grub-mkrescue -o output.iso minimal
>
> output.iso is supposed to contain an Apple Partition Map and a HFS+
> superblock with directory tree. I expect it to be prepared for booting
> from CD, DVD, and USB stick.
> (DVD+RW is about as easy to overwrite as an USB stick. Either with
> a burn program or with plain dd and sync.)
>
> If you see a GRUB prompt, then the equipment suffices and the storage
> device works for booting.
This is exactly what I thought I will do next after reading that OpenFirmware
apparently supports HFS+. I have finally brought my iBook G4 home from the
office today and will start experimenting with the bootloader tomorrow.
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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