Repository needs a README

[gurjeet]

This repository needs a a README file describing what this repo is about, and how it works, etc. I was redirected here by a mailing list conversation, but I can't ascertain what this code repository holds.

[HaFred]

The chipyard makefile is kinda confusing. Take rocketchip for example, I trying to figure out how the makefile link to this riscv-test benchmarks, but it didn't make my life easier...

[xiaoweish]

Wish it helps,
https://github.com/riscv-software-src/riscv-tests/tree/master?tab=readme-ov-file#test-virtual-machines
https://riscv.org/wp-content/uploads/2015/01/riscv-testing-frameworks-bootcamp-jan2015.pdf