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Old 04-24-2006, 09:36 PM
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Default vhdl cpu emulator (any interest?)

During the design of my latest FPGA, I wrote a vhdl cpu emulator. I
would like to know if there is interest in the (open source) FPGA
community for such a vhdl cpu emulator?

The emulator supports:
reading and writing from / to memory on the FPGA
waiting for interrupts or set periods of time
multiple threads
cpu global registers
thread local registers
setting local registers based on thread arguments when spawning
one level while loop
one level of if with else statement
outputting data read during a read to a file

CPU commands come from a main file, and each thread has its own
separate file.

If there is already something like this out there, I would love to hear
about it.

Thanx,
nachum

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Old 04-25-2006, 01:32 AM
ziggy
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Default Re: vhdl cpu emulator (any interest?)

In article <[email protected] .com>,
[email protected] wrote:

> During the design of my latest FPGA, I wrote a vhdl cpu emulator. I
> would like to know if there is interest in the (open source) FPGA
> community for such a vhdl cpu emulator?
>
> The emulator supports:
> reading and writing from / to memory on the FPGA
> waiting for interrupts or set periods of time
> multiple threads
> cpu global registers
> thread local registers
> setting local registers based on thread arguments when spawning
> one level while loop
> one level of if with else statement
> outputting data read during a read to a file
>
> CPU commands come from a main file, and each thread has its own
> separate file.
>
> If there is already something like this out there, I would love to hear
> about it.
>
> Thanx,
> nachum


So i assume this would be somewhat generic, so any CPU could be emulated?

Sounds interesting to me at least.
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  #3 (permalink)  
Old 04-25-2006, 02:11 AM
Mike Treseler
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Default Re: vhdl cpu emulator (any interest?)

[email protected] wrote:
> During the design of my latest FPGA, I wrote a vhdl cpu emulator. I
> would like to know if there is interest in the (open source) FPGA
> community for such a vhdl cpu emulator?


Try comp.lang.vhdl

-- Mike Treseler
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  #4 (permalink)  
Old 04-25-2006, 06:05 AM
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Default Re: vhdl cpu emulator (any interest?)

[email protected] wrote:
> During the design of my latest FPGA, I wrote a vhdl cpu emulator. I
> would like to know if there is interest in the (open source) FPGA
> community for such a vhdl cpu emulator?
>

<snip>

> If there is already something like this out there, I would love to hear
> about it.
>
> Thanx,
> nachum


comp.lang.vhdl is the correct group.
www.opencores.org should be willing to host it.

Sounds useful to me; I'd like to see it.

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