Re: [microblaze-uclinux] uClinux on a Spartan 3 'S400, 1MB of SRAM

[John Williams <jwilliams@xxxxxxxxxxxxxx>]

Hi Steven,

Merrifield, Steven (GE Infrastructure) wrote:

>>Today I got uClinux running (to a shell prompt) on an Avnet Spartan 3
>>eval. board.  1MB of SRAM, no flash.  So if somebody tells 
>>you that you
>>can't get Linux running in 1MB - you can.  There's not much you can
>>actually _do_ with it in 1MB, but at least the kernel runs and I get a
>>shell prompt.  :-)  The shell is _very_ minimal ("msh" - not a part of
>>uClinux-dist yet) and only supports a few commands.
>>
> What's the system clock speed? The 1.07 BogoMIPS seems a bit low...

That'll be without caches, and as Steve says, with conservative SRAM 
timings.  I'd expect to see a 10x improvement with a small (8k?) 
insutruction cache in the microblaze.

John


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