From f6f6f650da4813d9c243d7b019303c10879038e6 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Fri, 22 Jul 2022 17:58:26 -0300
Subject: [PATCH] x86_64 port IO

Added byte port IO with outb() and inb()
---
 src/arch/x86_64/include/arch/io.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 src/arch/x86_64/include/arch/io.h

diff --git a/src/arch/x86_64/include/arch/io.h b/src/arch/x86_64/include/arch/io.h
new file mode 100644
index 00000000..762a8bb0
--- /dev/null
+++ b/src/arch/x86_64/include/arch/io.h
@@ -0,0 +1,14 @@
+#ifndef _IO_H_INCLUDE
+#define _IO_H_INCLUDE
+
+static inline void outb(uint16_t port, uint8_t data){
+	asm("out %%al, %%dx" : : "a"(data), "d"(port));
+}
+
+static inline uint8_t inb(uint16_t port){
+	uint8_t ret;
+	asm("in %%dx, %%al" : "=a"(ret) : "d"(port));
+	return ret;
+}
+
+#endif