Implement code for integration test post

src/bin/test-basic-boot.rs

@@ -0,0 +1,37 @@
+#![feature(panic_implementation)] // required for defining the panic handler
+#![feature(const_fn)]
+#![no_std] // don't link the Rust standard library
+#![cfg_attr(not(test), no_main)] // disable all Rust-level entry points
+
+// add the library as dependency (same crate name as executable)
+#[macro_use]
+extern crate blog_os;
+
+#[cfg(not(test))]
+use core::panic::PanicInfo;
+use blog_os::exit_qemu;
+
+/// This function is the entry point, since the linker looks for a function
+/// named `_start_` by default.
+#[cfg(not(test))]
+#[no_mangle] // don't mangle the name of this function
+pub extern "C" fn _start() -> ! {
+    serial_println!("ok");
+
+    unsafe { exit_qemu(); }
+    loop {}
+}
+
+
+/// This function is called on panic.
+#[cfg(not(test))]
+#[panic_implementation]
+#[no_mangle]
+pub fn panic(info: &PanicInfo) -> ! {
+    serial_println!("failed");
+
+    serial_println!("{}", info);
+
+    unsafe { exit_qemu(); }
+    loop {}
+}