[OpenBIOS] [Qemu-devel] Re: QEMU OpenBIOS booting?
Blue Swirl
blauwirbel at gmail.com
Mon Apr 20 21:39:12 CEST 2009
On 4/20/09, M. Warner Losh <imp at bsdimp.com> wrote:
> In message: <f43fc5580904191144y1fd8e4d6m3321855d0c558250 at mail.gmail.com>
> Blue Swirl <blauwirbel at gmail.com> writes:
>
> : On 4/19/09, M. Warner Losh <imp at bsdimp.com> wrote:
> : > In message: <f488382f0904190128l4383a56eu67a2f16eb338e61c at mail.gmail.com>
> : >
> : > Steven Noonan <steven at 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 at 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...
Right, the error comes from this line:
http://fxr.watson.org/fxr/source/powerpc/powerpc/mmu_oea.c?v=FREEBSD70#L825
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