arch specific updates to the kernel

kernel/src/arch/mod.rs

@@ -0,0 +1,6 @@
+//! Architecture-specific code.
+
+/// X86 specific code
+#[cfg(target_arch = "x86_64")]
+#[path = "x86_64/mod.rs"]
+pub mod arch;

kernel/src/arch/x86_64/mod.rs

@@ -0,0 +1,9 @@
+///
+
+pub fn sloop() {
+    loop {
+        unsafe {
+            core::arch::asm!("hlt");
+        }
+    }
+}

kernel/src/lib.rs

@@ -9,6 +9,7 @@
 extern crate alloc;
 
 pub mod allocator;
+pub mod arch;
 pub mod device_interface;
 pub mod messaging;
 pub mod panic;