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# 64-Bit Linux Userspace RISC-V Emulator
This emulator allows you to run statically-compiled binaries for riscv64-unknown-linux-musl.
The goal is to support most POSIX-compatible OS on most 64bit CPU architectures.

## Instructions
Building rvemu is very simple, just do:

  $ make rvemu

To install rvemu, do:

  # make [PREFIX=/usr/local] install

If you don't already have a toolchain, you can build it with:

  $ make -C tools -j8

To run a test program do:

  $ make run

Look into the examples directory, for example programs.
You can specify which example to run with the T parameter.
Example for the cat.elf program:

  $ make T=cat run

## Supported Host Architectures
Due to design decisions, only 64bit archs can be supported:

- amd64
- arm64

Note: Once I get more hardware, I can port it to other architectures.

## Supported Host OSs
- OpenBSD
- FreeBSD
- NetBSD
- Linux

## Non-standard Toolchain Dependencies
- gsed (GNU sed)
- gmake (GNU make)
- sudo or doas (only for `make run`, see*)
- wget or curl (only on Linux)
- clang (only on NetBSD, because the distribution gcc is too old)

## Resources

## Bugs
This project is still very experimental and has bugs!
If you find one, please contact Benjamin Stürz <benni AT stuerz DOT xyz>.