1 files changed, 8 insertions, 0 deletions
diff --git a/entry.S b/entry.S
index 89fa51e..9a9454a 100644
--- a/entry.S
+++ b/entry.S
@@ -41,6 +41,14 @@
 	popl	%fs
 .endm
 
+ENTRY(bios_irq)
+	pushw	%ax
+	mov	$0x20, %al
+	out	%al, $0x20
+	popw	%ax
+	IRET
+ENTRY_END(bios_irq)
+
 /*
  * fake interrupt handler, nothing can be faster ever
  */