2 files changed, 24 insertions, 0 deletions

diff --git a/src/baremetal/mod.rs b/src/baremetal/mod.rs
new file mode 100644
index 000000000..c03b9538b
--- /dev/null
+++ b/src/baremetal/mod.rs
@@ -0,0 +1,6 @@
+use core::panic::PanicInfo;
+
+#[panic_handler]
+fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 000000000..7111536ff
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+#![cfg_attr(target_os = "none", no_std)]
+#![cfg_attr(target_os = "none", no_main)]
+
+#[cfg(target_os = "none")]
+mod baremetal;
+
+#[cfg(not(target_os = "none"))]
+fn main() {
+    println!("Hello, world!");
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn it_works() {
+        assert_eq!(2 + 2, 4);
+    }
+}