OpenCores
URL https://opencores.org/ocsvn/minsoc/minsoc/trunk

Subversion Repositories minsoc

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  • This comparison shows the changes necessary to convert path
    /minsoc/trunk/doc
    from Rev 39 to Rev 40
    Reverse comparison

Rev 39 → Rev 40

/FAQ.pdf Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream
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/src/INSTALL.odt Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream
/src/FAQ.odt Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream
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/README.txt
7,3 → 7,5
IMPORTANT: By any arisen problems, doubts or special requirements, take a look into the FAQ.pdf document. It includes possible adaptations you can easily make to the system, most reported problems using MinSoC and the Advanced Debug System, and even some tweak possibilities. If you have a problem which is not described there or you cannot make it work, please start a thread about your problem on OpenRISC forum: http://opencores.org/forum,OpenRISC
 
FINALLY: My system is up and running, what do I do next? The real system documentation is the minsoc.pdf document. It gives a thorough insight into MinSoC, its goals, design and ideas. It helps you to better understand the system and can give you a good idea of what to do next, after your system is up and running.
 
I WANT TO TWEAK THINGS: check THESIS.txt
/THESIS.txt
0,0 → 1,25
HELP, MY THESIS PROJECT ON OPENRISC IS PENDING
"I want to know how the OpenRisc processor is implemented internally. So, for example, how the simplest commands(like add, multiply) are executed inside it."
 
This is not the first time I see this question lately. The best you can do is check or1200 specification on or1200 page of the OpenRISC project. However, this will not explain to you how the instructions are implemented, neither does the architecture manual found under Architecture of OpenRISC project. They only give you an understanding of the design and its global picture.
 
To understand the implementation details, you have to read the source. You will be mostly interested in or1200_alu.v, though or1200_cpu.v and or1200_ctrl.v might be important to have the bigger picture.
 
However, in order to do so, you have to understand HDL very well, so please go first to the following links:
 
Learning HDL:
Verilog tutorial: http://www.asic-world.com/verilog/veritut.html
Coding parallelism: http://en.wikibooks.org/wiki/Microprocessor_Design/Add_and_Subtract_Blocks
 
Another very good tutorial but for VHDL, this will help you understand basic coding techniques in HDL:
http://www.vhdl-online.de/tutorial/
 
Then you have to read the available documentation of OpenRISC:
First, architectural manual: http://opencores.org/svnget,or1k?file=/trunk/docs/openrisc_arch.pdf
Then or1200 implementation specification: http://opencores.org/svnget,or1k?file=/trunk/or1200/doc/openrisc1200_spec.pdf
Possibly the supplementary programmer's reference manual (specially if you want to include new instructions): http://opencores.org/svnget,or1k?file=/trunk/or1200/doc/openrisc1200_spec.pdf
 
Finally you can go to the sources.
 
Good luck and enjoy your time,
Raul Fajardo
/INSTALL.pdf Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream

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