Re: Workaround for installing Debian onto PowerMacs (2020-02-02 image)
Hi Mark!
On 2/8/21 2:45 PM, Mark Cave-Ayland wrote:
>> # nvsetenv boot-device "/ht@0,f2000000/pci@5/k2-sata-root@c/@-1/@0:2,\\:grub"
> ^^^
> This path looks wrong - according to the aliases listing at https://www.mail-archive.com/misc@\
> openbsd.org/msg164291.html the unit address of the k2-sata device which is a child of the
> k2-sata-root device should be 0, whereas above it is given as -1? Perhaps something in ofpathname
> is subtracting 1 from the unit address of 0 when it shouldn't. Does the following alternative work?
I would be surprised to see that ofpathname returns wrong paths on PowerMac G5s as we explicitly
tested the tool on these machines as well. I will soon have access to my G5 machines again so I
verify that myself. There might be a bug hiding somewhere.
> nvsetenv boot-device "/ht@0,f2000000/pci@5/k2-sata-root@c/@0/@0:2,\grub"
>
> Once your support for blessed files has been merged then there is no need to specify the path to the
> grub binary itself as it can be found like this:
>
> nvsetenv boot-device "/ht@0,f2000000/pci@5/k2-sata-root@c/@0/@0:2,\\:tbxi"
>
> where \\:tbxi is the magic which tells the firmware to search the filesystem on the given device for the
> blessed file and execute that rather than needing a full path. This is how OpenBIOS locates the bootloader
> under QEMU and so if you can boot an installation on one of the QEMU Mac machines then everything is working
> as it should.
Yes, but we're not there yet.
Adrian
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - glaubitz@debian.org
`. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
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