Re: [Qemu-devel] [Consult] microblaze: About running upstream main branch qemu

[Chen Gang <gang.chen.5i5j@gmail.com>]

On 10/26/14 21:28, Chen Gang wrote:
> Hello Guenter Roeck:
> 
> I still shall try qemu and kernel distribution, next, since it can do
> it successfully (whether 'sim' can be success or not).
> 

I got confirmation from microblaze members, at present, microblaze sim
can not full simulate entire system, so I shall try qemu and kernel
distribution for it (which can do full simulation for microblaze).

I shall try my best to finish it within this month.

Thanks.

> But excuse me, maybe I can not finish microblaze qemu test within this
> month, hope I can finish within next month (2014-11-30).
> 
> Thank your information about qemu, again.
> 
> 
> Thanks.
> 
> On 10/22/2014 08:28 AM, Chen Gang wrote:
>> OK, thanks, there are multiple branches in upstream qemu. Sorry
>> for my original said, and I can only say: for upstream  develop
>> master branch, it does not support microblaze.
>>
>> Excuse me, I does not mainly focus on only using qemu, and I
>> also found another easier way for test microblaze toolchain (use sim of binutils). So next, I will mainly focus on sim.
>>
>> I also met some issues for sim, but I guess, I can analyze it,
>> maybe also have chances to make patch for it (that is the main
>> reason why I want to focus on it).
>>
>> Thanks.
>>
>> Send from Lenovo A788t.
>>
>>
>>
>>
>>
>> Guenter Roeck <linux@roeck-us.net> wrote:
>>
>>
>>
>> On Tue, Oct 21, 2014 at 06:41:14PM +0800, Chen Gang wrote:
>>> On 10/21/14 12:37, Guenter Roeck wrote:
>>>> On 10/20/2014 08:23 AM, Chen Gang wrote:
>>>>> On 10/19/2014 10:58 PM, Guenter Roeck wrote:
>>>>>>
>>>>>> This doesn't use devicetree, but the configurations are known to be working
>>>>>> with kernel releases all the way back to kernel version 3.10.
>>>>>>
>>>>>
>>>>> Yeah, really it is !
>>>>>
>>>>> After try upstream qemu and upstream kernel, for me, neither them can
>>>>> work well. For xilinx qemu with xilinux kernel, it should be well,
>>>>> although I still met issue below, is what I have done incorrect?
>>>>>
>>>>
>>>> Difficult to say.
>>>>
>>>> I use gcc 4.8.0 from kernel.org and qemu 2.1.2 with its default configuration
>>>> for the microblaze big endian target. No idea if that makes a difference,
>>>> but I would suggest to start with those.
>>>>
>>>> For microblazeel I use gcc 4.9.1 built with buildroot 2014.08 for both
>>>> kernel and initramfs. Initramfs for that target is built from busybox.
>>>>
>>>
>>> OK, thank you very much for your information.
>>>
>>> But sorry, I have to stop trying, because that is far from upstream qemu
>>> and upstream kernel (at present, I have no enough time resource on it).
>>>
>>> My original goal is "use upstream microblaze qemu to test upstream gcc,
>>> binutils and glibc of microblaze". And now I find another ways: "use sim
>>> which is in upstream binutils to perform the related test".
>>>
>> You lost me. qemu 2.1.2 is the upstream qemu, and I do use upstream binutils
>> (2.24 if I recall corectly) as well as upstream gcc and upstream kernel.
>> Did I indicate otherwise in anything I said ? FWIW, should be able to use
>> qemu from distributions without recompiling it.
>>
>> Thanks,
>> Guenter
>>
> 
> 

-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed