From e2a8bf287fa5c730f18b0449486d2b436f577791 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Thu, 26 Jun 2025 04:05:03 +0200
Subject: [PATCH] UART_BASE is now volatile, preventing unexpected
 optimizations

---
 start.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/start.c b/start.c
index 46c6bfc..3b923f8 100644
--- a/start.c
+++ b/start.c
@@ -5,7 +5,7 @@
 #define NCPU 3
 
 /* QEMU memory maps a UART device here. */
-#define UART_BASE ((char *)0x10000000)
+#define UART_BASE ((volatile char *)0x10000000)
 
 /** Send a single character to the UART device */
 void uart_putc(char c) { *UART_BASE = c; }