amd64: rtl8139 driver with basic rx support

1 files changed, 10 insertions, 0 deletions

diff --git a/src/kernel/arch/amd64/port_io.h b/src/kernel/arch/amd64/port_io.h
index eac9331..6cf6cc0 100644
--- a/src/kernel/arch/amd64/port_io.h
+++ b/src/kernel/arch/amd64/port_io.h
@@ -8,6 +8,10 @@ static inline void port_out16(uint16_t port, uint16_t val) {
 	asm volatile("outw %0, %1" : : "a" (val), "Nd" (port));
 }
 
+static inline void port_out32(uint16_t port, uint32_t val) {
+	asm volatile("outl %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));
@@ -20,3 +24,9 @@ static inline uint16_t port_in16(uint16_t port) {
 	return val;
 }
 
+static inline uint32_t port_in32(uint16_t port) {
+	uint32_t val;
+	asm volatile("inl %1, %0" : "=a" (val) : "Nd" (port));
+	return val;
+}
+