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[Qemu-devel] svn 6658 broke powerpc.

From: Rob Landley
Subject: [Qemu-devel] svn 6658 broke powerpc.
Date: Tue, 17 Mar 2009 18:57:42 -0500
User-agent: KMail/1.10.1 (Linux/2.6.27-9-generic; KDE/4.1.2; x86_64; ; )

Up through svn 6657, I could boot a powerpc kernel with -kernel.  That commit 
changed it so now it says:
invalid/unsupported opcode: 00 - 00 - 00 (00000000) fff18f00 1
invalid/unsupported opcode: 00 - 00 - 00 (00000000) fff18f04 1
invalid/unsupported opcode: 00 - 0c - 06 (00009198) 00009214 0

And dies.

You can grab a test kernel from http://landley.net/zImage-powerpc and try 
booting it (out of the qemu source directory, this is assuming you've built it 
but haven't installed it yet) via:

ppc-softmmu/qemu-system-ppc -kernel zImage-powerpc \
  -append "console=ttyS0 panic=1" -nographic -no-reboot -L pc-bios

With svn 6657, it works.  (You get kernel boot messages up until it panics and 
dies because it can't find the root filesystem).  With 6658 it dies 
immediately with the above error message.

Unfortunately, this means that the 0.10.0 release doesn't work for powerpc for 
me, but svn a couple days _before_ the release did.


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