Re: [f-cpu] Simulator

[nicO <nicolas.boulay@ifrance.com>]

Yann Guidon a écrit :
> 
> hi,
> 
> nicO wrote:
> > Is there an url about the fcpu simulator ?
> i don't remember where there is one.
> some attemps have been done in the past but
> nothing successfull.
> 


Yes, there is a graphical one in GTK !! We show me it just before HAL.
It's run and is quite nice. I have it on one of your CD's. 
nicO


> btw, my current direction is to simply use
> the VHDL simulations, so we can have a cycle-acurate
> performance analysis without any code duplication
> (at the cost of performance but we don't aim
> real-time simulations yet). Our VHDL tools are
> flexible enough for this task, and C simulators
> can become overly complex and miss some HW-related
> problems (like, hmm, you write "+" and it ends up
> eating 2 cycles for nothing, or stuff like that).
> 
>              -o-O-o-
> 
> Another topic :
> http://asim.lip6.fr/education/dea/stages/
> i am in the "system" section and i will
> try to get the subject either on the VCI interface
> or the FPU generator. Guess why ;-)
> If i could over-pipeline
> the FPU, it would be even better ;-)
> 
> WHYGEE
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