From 3f0691017ebc861c734a8bb589a11ec4da7d9d95 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sun, 8 Nov 2026 03:53:30 +0800
Subject: [mubios] Implement the COM1 serial port driver and POST output.

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
---
 mubios/include/bios.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'mubios/include/bios.h')

diff --git a/mubios/include/bios.h b/mubios/include/bios.h
index 7681bf0..c3b5026 100644
--- a/mubios/include/bios.h
+++ b/mubios/include/bios.h
@@ -40,4 +40,8 @@ void post_main (void);
 void memory_init (void);
 void bda_init (void);
 
+void serial_init (void);
+void serial_putc (u8 value);
+void serial_write (const char *text);
+
 #endif // MUBIOS_BIOS_H
-- 
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