From: acevest <zhaoyanbai@126.com>
Date: Sun, 9 Aug 2026 07:26:15 +0000 (+0800)
Subject: serial 波特率从9600提高到115200
X-Git-Url: http://repos.zhaoyanbai.com/?a=commitdiff_plain;h=b5c31822879bc93ce42cfd1496a2c3d23c7c3ad8;p=kernel.git

serial 波特率从9600提高到115200
---

diff --git a/drivers/serial.c b/drivers/serial.c
index 1059bc2..09c1786 100644
--- a/drivers/serial.c
+++ b/drivers/serial.c
@@ -20,11 +20,13 @@
 
 #define SERIAL_PORT COMM1_PORT
 
+const uint32_t baud_rate = 115200;
+
 void init_serial() {
     uint32_t port = SERIAL_PORT;
     outb(0x00, port + 1);  // 禁用中断
     outb(0x80, port + 3);
-    outb(115200 / 9600, port + 0);
+    outb(115200 / baud_rate, port + 0);
     outb(0x00, port + 1);
     outb(0x03, port + 3);
     outb(0xC7, port + 2);