peaCore

peaCore is a toy kernel implemented by Rust language.

Prequisite

1. qemu-system-riscv64

   QEMU emulator version 7.0.0

2. gdb-multiarch

GDB:

gdb-multiarch (support riscv64 with TUI mode)

sudo apt-get install gdb-multiarch

QEMU

-machine virt: 1 NS16550 compatible UART

Run the kernel

run the code in base directory in the project

$ cd os
$ make run

run in gdb-debug mode

$ cd os
$ make debug

To Do list

• remove ecall (rustsbi)

  1. early-output[UART0: 0x1000_0000]

  2. shutdown (sys_exit)

  3. cargo test for robustness

  > meet error... (to do)
  

• Self-made Buddy for heap allocation

  Ref: rust-sbi CHANGELOG, rust-sbi-tutorial

• Timer interrupt: remove from rust-sbi

• toy File System

Reference

• rCore-Tutorial

• xv6

• Blog OS

• rust-lang