picorv32/firmware at master · rxrbln/picorv32 · GitHub

Name		Name	Last commit message	Last commit date
parent directory ..
README		README
custom_ops.S		custom_ops.S
firmware.h		firmware.h
hello.c		hello.c
irq.c		irq.c
makehex.py		makehex.py
multest.c		multest.c
print.c		print.c
riscv.ld		riscv.ld
riscv.ld.orig		riscv.ld.orig
sections.lds		sections.lds
sieve.c		sieve.c
start.S		start.S
stats.c		stats.c

README

A simple test firmware. This code is in the public domain. Simply copy whatever
you can use.