1 files changed, 11 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index 1ce2dd1..da354c1 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,3 +1,13 @@
+#include "common.h"
+
 void main(void) {
-    while(1);
+    // Initialize uart.
+    uart_init();
+
+    uart_puts("Hello World!\n");
+
+    // Echo input to standard output.
+    while(1) {
+        uart_send(uart_getc());
+    }
 }