From 26685f5203bc38cfa082b96182a406f4f7e6435a Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <kwojtus@protonmail.com>
Date: Mon, 30 Dec 2019 14:36:31 +0100
Subject: implement getchar() and putchar() in terms of supervisor call

---
 svc.S | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 svc.S

(limited to 'svc.S')

diff --git a/svc.S b/svc.S
new file mode 100644
index 0000000..65200d8
--- /dev/null
+++ b/svc.S
@@ -0,0 +1,5 @@
+.global svc
+
+svc:
+	svc #0
+	mov pc, lr
-- 
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