Disable PIC

src/hulk/hulk.d

@@ -17,6 +17,7 @@ import hulk.gdt;
 import hulk.idt;
 import hos.cpu;
 import ldc.llvmasm;
+import hulk.pic;
 
 extern extern(C) __gshared ubyte _hulk_total_size;
 
@@ -47,6 +48,7 @@ void hulk_start()
 
     hippo.initialize(&hulk_header);
     pci.initialize();
+    pic.initialize();
     sti();
 
     for (;;)

src/hulk/pic.d

@@ -0,0 +1,16 @@
+/**
+ * PIC (Programmable Interrupt Controller) functionality.
+ */
+module hulk.pic;
+
+import hos.cpu;
+
+struct pic
+{
+    public static void initialize()
+    {
+        /* Disable the PIC. */
+        out8(0xA1u, 0xFFu);
+        out8(0x21u, 0xFFu);
+    }
+}