baremetal OS kernel for RV32I

Motivation

This repository is inspired by mini-arm-os, and rewrite from mini-arm-os also.

Prerequisites

• ToolChain riscv64-unknown-elf, whcih can get from riscv-gnu-toolchain.

• Qemu qemu-system-riscv32, which can get from QEMU.

Steps

• 00-HelloWorld

• 02-ContextSwitch

• 03-ContextSwitch-2

• 04-Multitasking

• 05-TimerInterrupt

• 06-Preemptive

• 07-Threads

• 08-Preemptive-2

Building and Verification

• Changes the current working directory to specificed one and issue

make
make qemu

Licensing

mini-riscv-os is freely redistributable under the two-clause BSD License. Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

Reference

• mini-arm-os
• riscv-toolchain-install-guide