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Re: port-powerpc/40421: Files required to build rs6000 release
The following reply was made to PR port-powerpc/40421; it has been noted by
From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
Subject: Re: port-powerpc/40421: Files required to build rs6000 release
Date: Sun, 18 Jan 2009 19:53:06 +0900
> Thanks for your advice. In the latest iteration I have already removed
> com0 stuff and now I am working on sysinst. I plan to make tests using
> real hardware this coming week. Should the code work I plan to go back
> and add vga stuff then, because my 7006-42t indeed has a vga console.
The point is not if rs6000 machines have VGA (or any video) console.
NetBSD/prep has two variants of bootloaders. One initializes VGA
(it's the real VGA, like S3/8xx or Cirrus 52xx on PCI, as you
can see in src/sys/arch/prep/stand/boot/vreset.c etc.) and PS/2 keyboard
for console, and another uses ns16550 serial for console, so sysinst
has a menu to select it.
(Some PReP machines have non stnadard VGA video which is not supported
by NetBSD yet)
On the other hand, NetBSD/rs6000 doesn't have support of working
video (I don't think it's a real VGA though) support yet and
only have single bootloader which use com (ns16550) console,
so having a menu in sysinst doesn't make sense right now.
Anyway, I don't think sysinst works on systems without disk
(see src/distrib/utils/sysinst/disk.c:find_disks() and
"MSG_noddisk" in msg.mi.en), so I think it's enough to
provide a ramdisk based kernel which boots up to
single user at this stage, like NetBSD/dreamcast.
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