[Qemu-devel] [Bug 623852] Re: PPC emulation loops on booting a FreeBSD kernel

[Adolfo Maltez]

Hi.

The same issue from here.

---------------------------------------------
address@hidden:~$ qemu-system-ppc -cdrom FreeBSD-8.2-RELEASE-powerpc-disc1.iso \
-hda freebsd8.2-ppc.img -m 94 -boot d -bios /usr/share/openbios/openbios-ppc 
-nographic
qemu: warning: could not load VGA bios 'video.x'

>> =============================================================
>> OpenBIOS 1.0 [Feb 19 2011 11:37]
>> Configuration device id QEMU version 1 machine id 2
>> CPUs: 1
>> Memory: 94M
>> UUID: 00000000-0000-0000-0000-000000000000
>> CPU type PowerPC,750
Welcome to OpenBIOS v1.0 built on Feb 19 2011 11:37
Trying cd:,\\:tbxi...
Consoles: Open Firmware console  

FreeBSD/powerpc Open Firmware loader, Revision 0.1
(address@hidden, Fri Feb 18 18:49:01 UTC 2011)
Memory: 96256KB
Booted from: cd

Loading /boot/defaults/loader.conf 
/boot/kernel/kernel data=0x7417ac+0x3e3dc syms=[0x4+0x5c110+0x4+0x7f9c7]
|
Hit [Enter] to boot immediately, or any other key for command prompt.
Booting [/boot/kernel/kernel]...               
Kernel entry at 0x100100 ...
invalid/unsupported opcode: 1f - 12 - 05 (7d200164) 005a6ae0 0
---------------------------------------------------

My host machine is a Debian "squeeze".
I'm using the openbios-ppc from "wheeze" package.

QEMU version: 0.12.5+dfsg-3squeeze1
openbios-ppc version: 1.0+svn1018-1_all
freebsd version: FreeBSD-8.2-RELEASE-powerpc-disc1.iso


The only diference from previos posts is the last line.

------------------------
invalid/unsupported opcode: 1f - 12 - 05 (7d200164) 005a6ae0 0
------------------------

Thanks.

-- 
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https://bugs.launchpad.net/bugs/623852

Title:
  PPC emulation loops on booting a FreeBSD kernel

Status in QEMU:
  New

Bug description:
  Has anyone tried booting FreeBSD8.1-ppc under QEMU (Linux x86_64 host;
  PPC guest)?  I can get Linux/PPC to run fine, and FreeBSD8.1-i386 as
  well; but there seems to be a problem with whatever the FreeBSD8.1
  kernel does, that QEMU's PPC emulation can't handle.

  I am using the latest version of QEMU from GIT as of 25/8/10.  I don't
  know how to get a "git commit hash", so I can't quote it.

  The kernel starts OK then loops after "Kernel entry at 0x100100 ...".

  The command I am running is

  qemu-system-ppc -cdrom FreeBSD-8.1-RELEASE-powerpc-disc1.iso -hda
  freebsd8.1-ppc -m 94 -boot d"

  I obtained the kernel from
  ftp://ftp.freebsd.org/pub/FreeBSD/releases/powerpc/ISO-
  IMAGES/8.1/FreeBSD-8.1-RELEASE-powerpc-disc1.iso.

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