kernel/i386: add 16bit port io functions

1 files changed, 10 insertions, 0 deletions

diff --git a/src/kernel/arch/i386/port_io.h b/src/kernel/arch/i386/port_io.h
index bcf2358..1938c97 100644
--- a/src/kernel/arch/i386/port_io.h
+++ b/src/kernel/arch/i386/port_io.h
@@ -4,9 +4,19 @@ static inline void port_out8(uint16_t port, uint8_t val) {
 	asm volatile("outb %0, %1" : : "a" (val), "Nd" (port));
 }
 
+static inline void port_out16(uint16_t port, uint16_t val) {
+	asm volatile("outw %0, %1" : : "a" (val), "Nd" (port));
+}
+
 static inline uint8_t port_in8(uint16_t port) {
 	uint8_t val;
 	asm volatile("inb %1, %0" : "=a" (val) : "Nd" (port));
 	return val;
 }
 
+static inline uint8_t port_in16(uint16_t port) {
+	uint16_t val;
+	asm volatile("inw %1, %0" : "=a" (val) : "Nd" (port));
+	return val;
+}
+