From e3598eddc3ec9a3deb321a2c04803246db4abb84 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sun, 8 Nov 2026 06:43:18 +0800
Subject: [mubios] Add ATA

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>
---
 mubios/include/io.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

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

diff --git a/mubios/include/io.h b/mubios/include/io.h
index 8b50508..cedd1c1 100644
--- a/mubios/include/io.h
+++ b/mubios/include/io.h
@@ -40,4 +40,14 @@ io_in8 (u16 port)
   return value;
 }
 
+static inline u16
+io_in16 (u16 port)
+{
+  u16 value;
+
+  __asm__ volatile ("inw %1, %0" : "=a"(value) : "dN"(port));
+
+  return value;
+}
+
 #endif // MUBIOS_IO_H
-- 
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