From ffb0bfa0ae591ca72d7c430d8985b01ce5cf449e Mon Sep 17 00:00:00 2001
From: Avimitin <dev@avimit.in>
Date: Thu, 9 Jan 2025 13:24:13 +0800
Subject: [PATCH] [emurt] add volatile keyword to mmio register

Signed-off-by: Avimitin <dev@avimit.in>
---
 tests/emurt/emurt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/emurt/emurt.c b/tests/emurt/emurt.c
index ce9539594..9ae15de55 100644
--- a/tests/emurt/emurt.c
+++ b/tests/emurt/emurt.c
@@ -4,8 +4,8 @@
 #define UART_W_REG 0x10000010
 #define PERF_REG 0x10000014
 
-void t1_put_char(char c) { *(uint32_t *)(UART_W_REG) = (uint32_t)c; }
-void place_counter(int i) { *(int *)(PERF_REG) = i; }
+void t1_put_char(char c) { *(uint8_t volatile *)(UART_W_REG) = (uint8_t)c; }
+void place_counter(int i) { *(int volatile *)(PERF_REG) = i; }
 
 ///////////////////////
 // uart