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Re: [Qemu-devel] Support for NetLogic XLP Processors
From: |
Leon Alrae |
Subject: |
Re: [Qemu-devel] Support for NetLogic XLP Processors |
Date: |
Wed, 25 Mar 2015 14:44:08 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Hi Duarte,
On 25/03/2015 14:20, Duarte Silva wrote:
> On Wednesday 25 March 2015 13:13:14 James Hogan wrote:
>> Hi Duarte,
>>
>> On 22/03/15 11:13, Duarte Silva wrote:
>>> Hi guys,
>>>
>>> I have been struggling to get some binaries compiled for NetLogic XLP
>>> processor to run under QEMU. I have tried a bunch of things (most going
>>> back and forth) and always get the following error message:
>>>
>>> qemu: uncaught target signal 4 (Illegal instruction) - core dumped
>>> Illegal instruction
>>>
>>> I tried to debug it using GDB but to no avail. Does anybody have ideas?
>>> I'm
>>> running QEMU 2.2.1.
>>
>> It sounds like the program had an instruction that QEMU doesn't
>> recognise, or doesn't think should be allowed on the current CPU which
>> you've set with -cpu. You might be able to find out what that
>> instruction is by putting this on your qemu command line:
>>
>> -singlestep -d in_asm
> Hi James,
>
> thanks for the help :) I have tried with all the CPU's available. None of
> them
> worked, so I just leave it as undefined. It seems the offending instruction
> is
> "udi4".
>
> (...)
> IN:
> 0x765d1fa4: udi4 a0,v0,zero,0x0
According to this line you are trying to use MIPS32 CPU whereas I
presume you would like MIPS64R2? Please try 5KEf CPU for example which
is available in qemu-mips64 and qemu-mips64el QEMU binaries for big and
little endian respectively.
Leon
- [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/22
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, James Hogan, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors,
Leon Alrae <=
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Leon Alrae, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Leon Alrae, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/25
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Leon Alrae, 2015/03/26
- Re: [Qemu-devel] Support for NetLogic XLP Processors, James Hogan, 2015/03/26
- Re: [Qemu-devel] Support for NetLogic XLP Processors, Duarte Silva, 2015/03/26