License rust and c source files

runner/src/gdb.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 //! Providing the utility to run the GDB scripts for the runner.
 
 use crate::qemu_grub_efi;

runner/src/machine/microvm.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 use std::{
     fs::OpenOptions,
     io::{Seek, SeekFrom, Write},

runner/src/machine/mod.rs

@@ -1,2 +1,4 @@
+// SPDX-License-Identifier: MPL-2.0
+
 pub mod microvm;
 pub mod qemu_grub_efi;

runner/src/machine/qemu_grub_efi.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 use linux_bzimage_builder::{make_bzimage, BzImageType};
 
 use std::{

runner/src/main.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MPL-2.0
+
 //! aster-runner is the Asterinas runner script to ease the pain of running
 //! and testing Asterinas inside a QEMU VM. It should be built and run as the
 //! cargo runner: https://doc.rust-lang.org/cargo/reference/config.html