From 3e9bdcca84e22c997a071dddf37449ead85aed75 Mon Sep 17 00:00:00 2001
From: Jake Mannens <jake72360@gmail.com>
Date: Sat, 16 Jun 2018 04:49:57 +1000
Subject: Initial commit

---
 include/asm/io.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 include/asm/io.h

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

diff --git a/include/asm/io.h b/include/asm/io.h
new file mode 100644
index 0000000..6ca5bbc
--- /dev/null
+++ b/include/asm/io.h
@@ -0,0 +1,14 @@
+/*
+ * asm/io.h
+ *
+ * Provides acces to x86 I/O functions
+ */
+
+#define inb(port) ({ \
+    unsigned char _val; \
+    asm volatile ("inb %%dx, %%al" : "=a" (_val) : "d" (port)); \
+    _val; \
+    })
+
+#define outb(port, val) \
+  asm volatile ("outb %%al, %%dx" : : "d" (port), "a" (val));
-- 
cgit v1.3