From 73338c2d453e7a5928fa7f392e1bc2392dbba3cd Mon Sep 17 00:00:00 2001
From: Clément Sibille <claymeuns@protonmail.com>
Date: Fri, 8 Oct 2021 08:17:14 +0200
Subject: Move x86-specific code into an arch/x86 module

---
 kernel/src/arch/x86/io.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 kernel/src/arch/x86/io.rs

(limited to 'kernel/src/arch/x86/io.rs')

diff --git a/kernel/src/arch/x86/io.rs b/kernel/src/arch/x86/io.rs
new file mode 100644
index 0000000..a647408
--- /dev/null
+++ b/kernel/src/arch/x86/io.rs
@@ -0,0 +1,14 @@
+pub unsafe fn out8(address: u16, value: u8) {
+    asm!(
+    "out dx, al", in("dx") address, in("al") value
+    );
+}
+
+pub unsafe fn in8(address: u16) -> u8 {
+    let result: u8;
+    asm!(
+    "in al, dx", in("dx") address, out("al") result
+    );
+
+    result
+}
-- 
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