Add test architecture

kernel/lib.rs

@@ -72,13 +72,23 @@ extern crate bitflags;
 
 use arch::interrupt::{set_interrupts, halt};
 
-/// Architecture specific items
+/// Architecture specific items (test)
+#[cfg(test)]
 #[macro_use]
-extern crate arch;
+extern crate arch_test as arch;
+
+/// Architecture specific items (x86_64)
+#[cfg(all(not(test), target_arch = "x86_64"))]
+#[macro_use]
+extern crate arch_x86_64 as arch;
 
 /// Intrinsics for panic handling
 pub mod panic;
 
+/// Tests
+#[cfg(test)]
+pub mod tests;
+
 #[no_mangle]
 pub extern fn kmain() {
     println!("TEST");

kernel/tests/mod.rs

@@ -0,0 +1,9 @@
+use arch::interrupt::{set_interrupts, halt};
+
+#[test]
+fn halt_with_interrupts() {
+    unsafe {
+        set_interrupts();
+        halt();
+    }
+}