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Date: Mon, 16 Feb 2004 21:01:53 +0100
From: Fabrice Bellard <fabrice.bellard@free.fr>
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Subject: Re: [Qemu-devel] qemu simple user mode testing (arm, ppc, sparc)
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To: qemu-devel@nongnu.org


You usually get this exception if a FPU instruction is used (qemu does 
not support FPU on sparc yet).

Fabrice.

Karel Gardas wrote:
> On Mon, 16 Feb 2004, Fabrice Bellard wrote:
> 
> 
>>Interesting ! I thought that SPARC was the less stable target (I left
>>some register window exception problems in it)...
> 
> 
> I have just finished cross-compilation of MICO (http://www.mico.org) and
> try small demo which failed with:
> 
> thinkpad:/mnt/karel/mico-sparc/demo/bench$ qemu-sparc -L /mnt/karel/cross/crosstool-0.27/result/sparc-unknown-linux-gnu/gcc-3.3.2-glibc-2.3.2/sparc-unknown-linux-gnu/ ./server
> Unhandled trap: 0x2
> pc: 0x0002a2f8  npc: 0x0002a2fc
> General Registers:
> %g0: 0x00000000 %g1: 0x0031e070 %g2: 0x0042b000 %g3: 0x0042cf70
> %g4: 0x00000000 %g5: 0x00005f00 %g6: 0xff000000 %g7: 0x401f3468
> Current Register Window:
> %o0: 0x00215ccc %o1: 0x00000000 %o2: 0x003c3110 %o3: 0x0042b4cc
> %o4: 0x3000474c %o5: 0x401db790 %o6: 0x401db6d8 %o7: 0x00303d8c
> %l0: 0x0042a070 %l1: 0x402079c0 %l2: 0x42367314 %l3: 0x42374a7a
> %l4: 0x00000002 %l5: 0x40207cc8 %l6: 0x00000000 %l7: 0x0042a824
> %i0: 0x0042a0cc %i1: 0x402079c0 %i2: 0x00000338 %i3: 0x00000334
> %i4: 0x000007a9 %i5: 0x00000005 %i6: 0x401db740 %i7: 0x00127640
> psr: 0x0000001c -> ---- wim: 0x00000002
> thinkpad:/mnt/karel/mico-sparc/demo/bench$
> 
> So, indeed, there are still some issues. :-)
> 
> Anyway, overall impression from QEMU is very good, I just hope that I will
> be able to use it for our MICO related testing for x-linux (where x !=
> x86) platforms -- I plan to do some testing of a bit larger C++ app for
> you, if you are interested.
> 
> Thanks,
> 
> Karel
> --
> Karel Gardas                  kgardas@objectsecurity.com
> ObjectSecurity Ltd.           http://www.objectsecurity.com
> 
> 
> 
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