Make Bitstream

With the logic design completed, you are ready to generate the bitstream (.bit file). Actually, you should simulate first but we won't cover that here. Making a bitstream is easily done with xmake. In an x-term, change to the project directory (~/tutorial for example) and type
xmake pass
(pass is the name of the main project file). If there are no problems with the design, the various Xilinx tools will be invoked and pass.bit will be generated. It will take several minutes. Xmake also generates a number of files that contain all kinds of information about your design. You can look through them if you're interested. You need the correct path in your path statement to run xmake. It is listed below. You can also use a bitstream that is already made. Go on to the next for details.

/fpga3/cad/xact/bin/hppa


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Richard D. Ross rossr@fpga.ee.byu.edu