gmh5225 / ucc

Udon C Compiler: C compiler for our original CPU

UCC - Udon C Compiler

C compiler for GAIA CPU written in OCaml.

Requirement

• OCaml >= 4.0.1
• ocamlbuild >= 4.0.1
• Clang (for preprocessing and syntax check)

Build

make

To run the tests, use the following command.

make test

Example

You can compile C file by the following command.

./bin/ucc ./test/printf.c

Then, a.out will be created. It runs on the simulator.

./bin/sim -simple a.out

You can check generated assembly by -S option.

./bin/ucc -S ./test/printf.c

If you want to see other options, please use -h option.

In addition, UCC can compile xv6 ported to GAIA, a simple Unix-like OS. Please use this Makefile to try it.

Article

• http://kw-udon.hatenablog.com/entry/2015/03/19/171921 (written in Japanese)