[Skyeye-developer] Skyeye newbie question about SPARC

[Joel Sherrill]

John Pickwick wrote:
> In fact on my current project, I'm more interested in porting LEON2 
> architecture.
The LEON2 and ERC32 aren't enough different to make it a waste.  You will
almost certainly get nearly all of the ISA right that way.  Peripherals are
another matter and I don't know the differences.
> Thanx anyway, I'll have a look to this directory.
> I'm still in my complexity evaluation phase :=)
I can't answer the complexity of it but I know that other people have 
ported
simulators to Skyeye so it is doable.

--joel
>
> John
>
> ----- Original Message ----- From: "Joel Sherrill" 
> <joel.sherrill at oarcorp.com>
> To: <skyeye-developer at lists.gro.clinux.org>
> Sent: Monday, November 05, 2007 1:10 PM
> Subject: Re: [Skyeye-developer] Skyeye newbie question about SPARC
>
>
>> Michael.Kang wrote:
>>> On 11/4/07, John Pickwick <john.pickwick at free.fr> wrote:
>>>
>>>> Hi to all,
>>>> I'm a complete newbie to skyeye and first of all, congratulations 
>>>> for this
>>>> nice simulator, it's so easy to use.
>>>>
>>>> Is there any plan to support the SPARC target in a near future ? I'm
>>>> especially interested in LEON2 or ERC32 versions.
>>>>
>>> Support more arch is always our goal. We will give as more support 
>>> as we can.
>>>
>> Skyeye has incorporated simulators from other sources in the past.
>> There is the erc32 simulator in gdb/sim/erc32 called sis which is
>> a pretty good erc32 simulator.  It would be better in the Skyeye
>> framework.
>>>> If nobody's working on it yet, hmmm, what are the main steps to 
>>>> include a
>>>> new target in the simulator architecture ? I'm ready to give part 
>>>> of my time
>>>> for this but I first want to evaluate the effort.
>>>>
>>> You can refer to implementation of other arch, such as arch/arm or
>>> arch/mips in skyeye source . According to my experince, a good
>>> instruction interpret engine is really a big help. You can write it
>>> from draft. Or try to merge some existing statble code base that
>>> lisence permits to SkyEye, that will reduce your time.
>>>
>>>> I must precise that I use RTEMS on my SPARC boards and of course, 
>>>> my final
>>>> goal would be to run RTEMS on SPARC port.
>>>>
>> sis is included in the gdb RPMs provided by the RTEMS Project.
>>
>> I use it a lot in the classes I teach.
>>
>> --joel
>>>> Regards,
>>>> John
>>>>
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>>>
>>>
>>
>>
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