multiprocessor

multiprocessor

[keng_629]

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i am trying to make a exam about Multiprocessor on the Xilinx Virtex-4 with two PowerPc hard core.
please give me some advices about  bootloader and os.
how can i start my work.




keng_629
2007-11-17

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Re: multiprocessor

[Grant Likely]

On 11/16/07, keng_629 <keng_629@126.com> wrote:
>
>
> i am trying to make a exam about Multiprocessor on the Xilinx Virtex-4 with
> two PowerPc hard core.
> please give me some advices about  bootloader and os.
> how can i start my work.

I'm sorry, but I really don't understand what you're asking about.
Both u-boot and Linux run on the ppc405 cores that the Virtex-4 uses.
However, there is no cache coherency between the cores so you would
need to run a separate Linux image on each one.  (SMP doesn't work)

Cheers,
g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195

Re: Re: multiprocessor

[keng_629]

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SMP doesn't work on the Virtex?i am so sorry .i just hoped to make exam on virtex for SMP.now i can just run separate Linux on each one.
thank you for you help
yours onmineroad




keng_629
2007-11-18



发件人： Grant Likely
发送时间： 2007-11-18 07:29:58
收件人： keng_629
抄送： linuxppc-embedded
主题： Re: multiprocessor

On 11/16/07, keng_629  <keng_629@126.com > wrote:
>
>
> i am trying to make a exam about Multiprocessor on the Xilinx Virtex-4 with
> two PowerPc hard core.
> please give me some advices about  bootloader and os.
> how can i start my work.

I'm sorry, but I really don't understand what you're asking about.
Both u-boot and Linux run on the ppc405 cores that the Virtex-4 uses.
However, there is no cache coherency between the cores so you would
need to run a separate Linux image on each one.  (SMP doesn't work)

Cheers,
g.

-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195

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