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Basic RISC-V CPU implementation in VHDL.
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Colin Riley 12f77e85c5 Apache 2 license file headers (yes, most of this was written 2 years ago!)
2018-09-17 23:35:20 +01:00
tests Initial commit. Tested on ArtyS7-RPU-SoC and passes SD bootloader and DDR3 memory testing. 2018-09-11 23:53:41 +01:00
vhdl Apache 2 license file headers (yes, most of this was written 2 years ago!) 2018-09-17 23:35:20 +01:00
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README.md Rearrange readme and add overview image. 2018-09-11 23:58:33 +01:00
rpu_core_diagram.png Initial commit. Tested on ArtyS7-RPU-SoC and passes SD bootloader and DDR3 memory testing. 2018-09-11 23:53:41 +01:00

README.md

RPU

Basic RISC-V CPU implementation in VHDL.

This is a RV32I ISA CPU implementation, based off of my TPU CPU design. It is very simple, is missing several features, but can run rv32i-compiled GCC toolchain binaries at over 200MHz on a Digilent Arty S7-50 board, built with Xilinx Spartan 7 tools.

Please let me know if you are using any of the RPU design in your own projects! I am contactable on twitter @domipheus.

Implementation

RPU Core overview

Implementation detail is written about via blogs available at http://labs.domipheus.com/blog/designing-a-cpu-in-vhdl-part-15-introducing-rpu/

The tests in the repo are incredibly old and basic, and included only as a baseline to help. They will be expanded upon in time.