Frank, On Thu, Sep 21, 2017 at 1:52 PM, Frank Scheiner <[email protected]> wrote: > On 09/21/2017 11:26 AM, John Paul Adrian Glaubitz wrote: >> >> [...] >>> >>> I’ll be happy to test Grub on my PowerMac7,3 G5 machine, but I’ll need >>> instructions for doing so. I’ve always just used yaboot, but Grub would be >>> a nice addition… >> >> >> There is documentation here, for example [1]. GRUB is available >> for installation on both powerpc and ppc64. I haven't tested it >> myself yet, but I would be very interested in seeing the results. >> >> Adrian >> >>> [1] http://cynic.cc/blog/posts/running_grub2_on_powerpc_macs/ >> >> > > Thanks for the instructions which were also helpful to me :-). After some > fiddling I got it to work on the earlier mentioned Power Macintosh G5 > (11,2). > > I followed the instructions on [1] but also needed to change a few things > here and there - maybe also because I'm not that familiar with Grub2 yet > :-). > > I booted grub from OpenFirmware with the command given on [1]: > > ``` > 0 > boot hd:2,grub.img > ``` > > `hd:2` is the HFS partition where yaboot and grub are located. I don't know > if this can also be accomplied with the `mac-boot` command, which can be > used to boot with yaboot. > > I also created a small howto about the setup process that worked for me: > > # GRUB-IEEE1275 setup in Power Macintosh G5 (11,2) # > > ## Install grub-ieee1275 ## > > ``` > # apt install grub-ieee1275 > ``` > > ## Full file list for grub image ## > > Placed in `~/grub/`, copied from `/usr/lib/grub/powerpc-ieee1275`: > > ``` > archelp.mod > bitmap.mod > bitmap_scale.mod > blocklist.mod > boot.mod > bufio.mod > cat.mod > cmp.mod > configfile.mod > cpio.mod > crypto.mod > datehook.mod > date.mod > datetime.mod > disk.mod > echo.mod > elf.mod > ext2.mod > fat.mod > font.mod > fshelp.mod > gettext.mod > gfxmenu.mod > gfxterm.mod > gzio.mod > halt.mod > help.mod > hexdump.mod > hfs.mod > hfsplus.mod > ieee1275_fb.mod > kernel.img > linux.mod > loadenv.mod > loopback.mod > lsmmap.mod > ls.mod > memdisk.mod > memrw.mod > minicmd.mod > moddep.lst > msdospart.mod > normal.mod > part_apple.mod > part_msdos.mod > parttool.mod > probe.mod > read.mod > reboot.mod > regexp.mod > relocator.mod > scsi.mod > search_fs_file.mod > search_fs_uuid.mod > search_label.mod > search.mod > setjmp.mod > sleep.mod > suspend.mod > terminal.mod > test.mod > trig.mod > true.mod > video_colors.mod > video_fb.mod > videoinfo.mod > video.mod > ``` > > In addition to the list given on [1], the following files needed to be added > (already included in the list above!): > ``` > moddep.lst > archelp.mod > video_colors.mod > disk.mod > kernel.img > ``` > > ## Partition table ## > > ``` > ~# mac-fdisk -l > /dev/sda > # type name length base ( size ) > system > /dev/sda1 Apple_partition_map Apple 63 @ 1 ( > 31.5k) Partition map > /dev/sda2 Apple_Bootstrap untitled 1954 @ 64 (977.0k) > NewWorld bootblock > /dev/sda3 Apple_UNIX_SVR2 untitled 1953126 @ 2018 (953.7M) > Linux native > /dev/sda4 Apple_UNIX_SVR2 untitled 1916015626 @ 1955144 > (913.6G) Linux native > /dev/sda5 Apple_UNIX_SVR2 swap 35554349 @ 1917970770 ( > 17.0G) Linux swap > /dev/sda6 Apple_Free Extra 49 @ 1953525119 ( > 24.5k) Free space > > Block size=512, Number of Blocks=1953525168 > DeviceType=0x0, DeviceId=0x0 > ``` > > ## Embedded config file ## > > ~/grub/grub-embedded-config.cfg > ``` > insmod part_apple > insmod ext2 > set root=(ieee1275/hd,apple3) > set prefix=(ieee1275/hd,apple3)/grub > configfile /grub/grub.cfg > ``` > > `(ieee1275/hd,apple3)` is `/dev/sda3`, the partition for `/boot` formatted > with EXT3 (`(hd,apple3)` alone didn't work for me). To be able to load the > config file I assume grub needs to first load the given modules. > > ## Actual config file ## > > /boot/grub/grub.cfg > ``` > insmod part_apple > insmod ext2 > set root=(ieee1275/hd,apple3) > > timeout=5 > default=0 > > menuentry "Debian GNU/Linux Sid (ppc64)" { > linux /vmlinux root=/dev/sda4 > initrd /initrd.img > } > ``` > > The first three lines can be omitted as they are also in the embedded > configuration file but they're still informative as the embedded config file > usually won't be touched again after installation. > > ## Command to create the grub image ## > > ``` > ~/grub# grub-mkimage -c ./grub-embedded-config.cfg -o ../grub.img -O > powerpc-ieee1275 -d . -p '(ieee1275/hd,apple3)/boot/grub' *.mod > ``` > > Although the prefix is actuall given in the embedded configuration file, > `grub-mkimage` insisted on having this in its command line (`-p` option), > too. The search command with the UUID of the partition for `/boot` didn't > work for me. > > ## Installation on HFS partition ## > > ``` > ~# mount /dev/sda2 /mnt > ~# cp grub.img /mnt/ > ~# sync > ~# dh -h > [...] > /dev/sda2 974K 852K 122K 88% /mnt > [...] > ~# umount /boot > ``` > > My `grub.img` is about 639 KiB in size, so the 1 MiB HFS partition just was > big enough to host both yaboot and grub, but maybe this partition should be > created with a bigger size. >
Could you update https://bugs.debian.org/691207 with your findings. My patch has never been merged upstream: https://bugs.debian.org/610206#28 Thanks
