From 476d4bad741d0e972e95fdeb99d947a8f71a774c Mon Sep 17 00:00:00 2001
From: 8infy <99danilt@gmail.com>
Date: Sun, 1 Sep 2024 19:54:24 +0300
Subject: [PATCH] io: add outw & inw helpers

---
 kernel-src/include/x86-64/arch/io.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kernel-src/include/x86-64/arch/io.h b/kernel-src/include/x86-64/arch/io.h
index 6f537f8f..ff80b44d 100644
--- a/kernel-src/include/x86-64/arch/io.h
+++ b/kernel-src/include/x86-64/arch/io.h
@@ -14,6 +14,16 @@ static inline uint32_t ind(uint16_t port) {
 	return ret;
 }
 
+static inline void outw(uint16_t port, uint16_t data) {
+	asm volatile("out %%ax, %%dx" : : "a"(data), "d"(port));
+}
+
+static inline uint16_t inw(uint16_t port) {
+	uint16_t ret;
+	asm volatile("in %%dx, %%ax" : "=a"(ret) : "d"(port));
+	return ret;
+}
+
 static inline void outb(uint16_t port, uint8_t data) {
 	asm volatile("out %%al, %%dx" : : "a"(data), "d"(port));
 }