Re: [Qemu-devel] ARMv6 el + vfp: User Mode signals uncaught target signal 4 (Illegal instruction)

[Martin Mohring <martin.mohring@5etech.eu>]

Laurent Desnogues wrote:
> On Fri, Dec 5, 2008 at 11:17 AM, Martin Mohring
> <martin.mohring@opensuse.org> wrote:
>   
>> I put together a qemu from recent svn trunk -r 5862.
>>
>> when running armv6 eabi + vfp binaries in user mode emulation, i get:
>>
>> qemu: uncaught target signal 4 (Illegal instruction) - exiting
>>
>> running the same compiled for armv5 eabi + vfp works. I use the binaries
>> from mojo (mojo.handhelds.org) project, they ported Ubuntu 8.04 to arm.
>> They also have a compiled version for ARMv6 + VFP, which I wanted to try
>> in the openSUSE Buildservice.
>>     
>
> You should specify the CPU when launching qemu.  Look at "qemu -cpu ?"
> output and select the right one. You probably want -cpu arm1136.
>   
I use qemu user mode, and call qemu with host linux kernels binfmt
handler. How do I specify the cpu type there? Or must I compile in the
"default cpu type" somehow?
>   
>> How do I find out whats wrong? From the source code, I would guess qemu
>> is implemented up to ARMv7, right?
>>     
>
> Yes ARMv7 is in, including NEON.
>
>   
I thought that, from looking into the code. I was sure I missed something...

Martin