Re: ISO images of NetBSD 7 or later are bootable on real Mac hardware?

[Ryo ONODERA <ryo%tetera.org@localhost>]

Hi,

From: Martin Husemann <martin%duskware.de@localhost>, Date: Wed, 4 Apr 2018 13:02:22 +0200

> On Wed, Apr 04, 2018 at 07:51:44PM +0900, Izumi Tsutsui wrote:
>> > I am try to use pkgsrc/emulators/pearpc and qemu-system-ppc from
>> > pkgsrc/emulators/qemu with NetBSD/macppc 7.
>> > However ISO image format of NetBSD/macppc 7 is different from
>> > before 7.
>>  :
>> > With real PowerPC Mac hardware, CD-R created with NetBSD 7's ISO file is
>> > bootable?
>> 
>> AFAIK, ISO images for mac68k and macppc in official releases are
>> built using a special build method, not by build.sh iso-image.
>> (I guess ISO images in daily builds are built by build.sh)
> 
> Yes, they are post-processed using exactly what you point at:
> 
>> mac68k requires HFS partition, and macppc machines with
>> OpenFirmware 1.x and 2.x requires Apple Partition map data,
>> so they are built by tools (including third party mkisofs)
>> in src/distrib/cdrom.
>>  http://cvsweb.netbsd.org/bsdweb.cgi/src/distrib/cdrom/
> 
> If anyone here would like to help: releng is eager to find a volunteer
> to add hybrid HFS support to makefs, so that a stock "build.sh iso"
> would be bootable (mabye with some magic args and pointers to directories
> pre-populated with drivers and other apple stuff).
> 
> Of course the main point is to save releng from doing the manual step
> on releases ;-)
> 
> Martin
> 
> P.S.: another option would be to modify build.sh to special-case mac* and do
> the right magic using mkisofs instead of makefs (if the binary is found).

I will create some bootable ISO images for some snapshots.
I may be able to implement your suggestion.

Thank you.

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Ryo ONODERA // ryo%tetera.org@localhost
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