From 6eae1be7550ecdc85269ce57c4a2f2dd0e9297b9 Mon Sep 17 00:00:00 2001
From: Robert Morris <rtm@csail.mit.edu>
Date: Mon, 3 Jun 2019 15:23:12 -0400
Subject: push/pop all registers when handling interrupt from kernel

---
 uart.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'uart.c')

diff --git a/uart.c b/uart.c
index 807c46e..659c574 100644
--- a/uart.c
+++ b/uart.c
@@ -59,4 +59,6 @@ uartgetc(void)
 void
 uartintr(void)
 {
+  int c = uartgetc();
+  printf("%x ", c & 0xff);
 }
-- 
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