wip: initial commit

1 files changed, 24 insertions, 0 deletions

diff --git a/portio.hpp b/portio.hpp
new file mode 100644
index 0000000..0a10651
--- /dev/null
+++ b/portio.hpp
@@ -0,0 +1,24 @@
+#ifndef PORTIO_HPP
+#define PORTIO_HPP
+
+#include <cstdint>
+
+inline void outb(std::uint16_t port, std::uint8_t val)
+{
+    asm volatile("outb %b0, %w1" :: "a"(val), "Nd"(port) : "memory");
+}
+
+inline std::uint8_t inb(std::uint16_t port)
+{
+    std::uint8_t val;
+    asm volatile("inb %w1, %b0" : "=a"(val) : "Nd"(port) : "memory");
+    return val;
+}
+ 
+inline void io_wait()
+{
+    outb(0x80, 0);
+}
+
+#endif // PORTIO_HPP
+