diff --git a/kernel/src/main.zig b/kernel/src/main.zig
index 1e84e76..87814f0 100644
--- a/kernel/src/main.zig
+++ b/kernel/src/main.zig
@@ -56,14 +56,15 @@ export fn zigmain() void {
     const msg = std.fmt.allocPrint(alloc, "Hello {}!", .{"ziguser"});
     std.log.debug("message: {}", .{msg});
 
-    // var cr3: usize = asm volatile (
-    //     "mov %%cr3, %%rax" : [cr3] "={rax}" (-> usize) ::
-    // );
-    // std.log.info("cr3 = {x}", .{cr3});
+    if(@hasDecl(arch, "paging")) {
+        arch.paging.showActive();
+        arch.paging.activate();
+    }
 
-    // const page_lvl4 = @intToPtr(*[512]u64, cr3);
-
-    // arch.paging.showTable(page_lvl4.*);
+    if(@hasDecl(arch, "cpuid")) {
+        _ = arch.cpuid.getVendor();
+        _ = arch.cpuid.getName();
+    }
 
     // time.displayTime(debug.AWriter) catch unreachable;