Compiled on target platform.

.gitignore

@@ -1 +1,2 @@
 .idea/*
+os/target/*

os/.cargo/config

@@ -0,0 +1,2 @@
+[build]
+target = "riscv64gc-unknown-none-elf"

os/Cargo.lock

@@ -0,0 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "os"
+version = "0.1.0"

os/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "os"
+version = "0.1.0"
+authors = ["Yifan Wu <shinbokuow@163.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

os/src/lang_items.rs

@@ -0,0 +1,6 @@
+use core::panic::PanicInfo;
+
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}

os/src/main.rs

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+#![no_std]
+#![no_main]
+
+mod lang_items;
+