From 74afa70d3051553df46d1ea0d76149a7a86c0a47 Mon Sep 17 00:00:00 2001
From: rsc <rsc>
Date: Sun, 31 May 2009 00:24:11 +0000
Subject: Add serial port input/output. Delete parallel port output. Works well
 with qemu -nographic mode.

---
 trap.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'trap.c')

diff --git a/trap.c b/trap.c
index f35f8de..f95e563 100644
--- a/trap.c
+++ b/trap.c
@@ -62,6 +62,11 @@ trap(struct trapframe *tf)
     kbdintr();
     lapiceoi();
     break;
+  case IRQ_OFFSET + IRQ_COM1:
+    uartintr();
+    lapiceoi();
+    break;
+  case IRQ_OFFSET + 7:
   case IRQ_OFFSET + IRQ_SPURIOUS:
     cprintf("cpu%d: spurious interrupt at %x:%x\n",
             cpu(), tf->cs, tf->eip);
-- 
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