Re: [Qemu-devel] Re: [OpenBIOS] QEMU OpenBIOS booting?

[Laurent Vivier <Laurent@vivier.eu>]

>In message: <f43fc5580904191144y1fd8e4d6m3321855d0c558250@mail.gmail.com>
>            Blue Swirl <blauwirbel@gmail.com> writes:
>: On 4/19/09, M. Warner Losh <imp@bsdimp.com> wrote:
>: > In message: <f488382f0904190128l4383a56eu67a2f16eb338e61c@mail.gmail.com>
>: >
>: >             Steven Noonan <steven@uplinklabs.net> writes:
>: >  : I eventually decided it made more
>: >  : sense to get QEMU working instead. I did notice that the pre-OpenBIOS
>: >  : version of QEMU was able to boot Mac OS X via Open Hack'Ware, so I was
>: >  : annoyed to find that OpenBIOS didn't have such support. So, I might as
>: >  : well add it.
>: >
>: >
>: > Open Hackware was barely enough to boot older versions of Linux.
>: >  Other operating systems that needed more extensive properties from the
>: >  OpenFirmware device tree failed to boot because they weren't present.
>: >  I was involved in a large effort to get FreeBSD/powerpc booting on
>: >  QEMU only to have it fail utterly because the amount of hacking on
>: >  OpenHackWare needed was rather large and mysterious...
>: 
>: This is what I get with OpenBIOS:
>: >> *** Boot failure! No secondary bootloader specified ***
>: 
>: 0 > boot cd:,\boot\loader cd:0
>: Consoles: Open Firmware console
>: 
>: FreeBSD/Open Firmware/PowerPC bootstrap loader, Revision 0.1
>: (root@xserve.lan.xcllnt.net, Thu Apr 16 18:47:58 UTC 2009)
>: Memory: 131072KB
>: Booted from: cd
>: 
>: Loading /boot/defaults/loader.conf
>: /boot/kernel/kernel data=0x4a4ce0+0x3d4e4 syms=[0x4+0x454f0+0x4+0x5a4b9]
>: /
>: Hit [Enter] to boot immediately, or any other key for command prompt.
>: Booting [/boot/kernel/kernel]...
>: Kernel entry at 0x13dac0 ...
>: panic: moea_bootstrap: no space to copy translations
>: Uptime: 1s
>
>That's similar to the one that I've seen as well.  The problem with
>this one, IIRC, is that FreeBSD/powerpc is trying to setup the memory
>translations for the MMU and the 'translations' property length is
>zero, or something like that...
>

It seems there is the same problem with the Haiku bootloader, I have a patch to correct this.

Laurent


-- 
--------------------- Laurent@vivier.eu  ---------------------
"Tout ce qui est impossible reste à accomplir"    Jules Verne
"Things are only impossible until they're not" Jean-Luc Picard