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That's the price of progress...I replaced my NIOS I with a NIOS II and did a simulation. Hummm it seems
to take a lot more CPU time with a NIOS II. Has anyone else experienced
this?
The wonderful thing about simulation is that it shows you whatI replaced my NIOS I with a NIOS II and did a simulation. Hummm it seems
to take a lot more CPU time with a NIOS II. Has anyone else experienced
this?
ARRRRRGGGGGHHHHH
Jer
Ok Jesse, come Monday I will look into these things you mention."Jerry" <nospam@nowhere.com> wrote in message
news:<10iakepgo6i76bd@corp.supernews.com>...
I replaced my NIOS I with a NIOS II and did a simulation. Hummm it seems
to take a lot more CPU time with a NIOS II. Has anyone else experienced
this?
ARRRRRGGGGGHHHHH
Jer
The wonderful thing about simulation is that it shows you what
happens, in detail, in your system for debugging purposes. Things like
processor cache initialization, SDRAM controller initialization, and
other things required to a get a processor-based system from power-up
to main() take a while.
That said we offer two things which you might be interested in if you
don't want to see every bit of detail:
- "Simulation" software libraries & crt0 code for use only with RTL
simulation (skips lengthy things like cache initlaization).
- The instruction set simulator.
Both of these are described in the Nios II SW Dev Handbook & AN333
(Simulating Nios II processor systems).
Jesse