diff --git a/kernel/arch/i386/irq.nim b/kernel/arch/i386/irq.nim
new file mode 100644
index 0000000..20e89d3
--- /dev/null
+++ b/kernel/arch/i386/irq.nim
@@ -0,0 +1,11 @@
+type
+  InterruptFrame = ptr object
+    ip: uint
+    cs: uint
+    flags: uint
+    sp: uint
+    ss: uint
+
+# http://clang.llvm.org/docs/AttributeReference.html#interrupt-avr
+proc interrupt_handler(frame: InterruptFrame) {.exportc, codegenDecl: "__attribute__((interrupt)) $# $#$#".} =
+