Muthi threading Processor on fpga

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Ashwin B.
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Description

Experience Level: Expert
I have to design a single core multithreading processor and implement it on fpga. I have already done a coding so that a single cpu works now. All i need is to implement four threads and switch between them so that it can do multithreading such that each thread executes only one instruction at a time. Also, i need the code to be port mapped it to the xilinx virtex II pro XC2VP30 and i have the board given to me already.

I just need in 3-4 days as most of the work is done already and ly modifications have to be done.

Project details are down below :
My project is to design a Barrel processor (architecture design and coding in VHDL). I have given a short note on my project below.

The processor has to execute one instruction from each thread at a time for all threads upto N threads. I need to design the architecture for the Barrel processor and has to implement the processor on a FPGA by using VHDL.

So, I have to take a basic architecture (i have already taken a simple processor and coding is modified) of any of the processor and have to modify it such that the processor has N - number of PC,Add reg,,etc. for each thread. I have to cycle all these registers of each thread at their turn executing only one instruction at a time.

For example Thread -1 is taken and all its corresponding CPU registers are loaded, then one instruction from this thread is executed. Then again Thread -2 is taken and all its CPU registers are loaded, then one instruction from this thread is executed, etc. upto N threads and again its cycled from the first.

Example:
Thread -1 Ro-Rn PC1 Thread ID Flags Thread-status(En/Disable)
Thread -2 Ro-Rn PC2 Thread ID Flags Thread-status(En/Disable)
Thread -3 Ro-Rn PC3 Thread ID Flags Thread-status(En/Disable)

So, I have to design an architecture and then i have to code in VHDL.

Note i already took a architecture and coding is modified and implemented various operations. All i need is to change it such that it has multiple threads (say four threads) and it has to switch after executing one instruction from each thread.


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