+static inline u16 inw(u16 port) {
+ u16 value;
+ __asm__ __volatile__("inw %w1, %w0" : "=a"(value) : "Nd"(port));
+ return value;
+}
+static inline u32 inl(u16 port) {
+ u32 value;
+ __asm__ __volatile__("inl %w1, %0" : "=a"(value) : "Nd"(port));
+ return value;
+}
+
+static inline void insb(u16 port, u8 *data, u32 count) {
+ asm volatile("rep insb (%%dx), %%es:(%%edi)"
+ : "+c"(count), "+D"(data) : "d"(port) : "memory");
+}
+static inline void insw(u16 port, u16 *data, u32 count) {
+ asm volatile("rep insw (%%dx), %%es:(%%edi)"
+ : "+c"(count), "+D"(data) : "d"(port) : "memory");
+}
+static inline void insl(u16 port, u32 *data, u32 count) {
+ asm volatile("rep insl (%%dx), %%es:(%%edi)"
+ : "+c"(count), "+D"(data) : "d"(port) : "memory");
+}
+// XXX - outs not limited to es segment
+static inline void outsb(u16 port, u8 *data, u32 count) {
+ asm volatile("rep outsb %%es:(%%esi), (%%dx)"
+ : "+c"(count), "+S"(data) : "d"(port) : "memory");
+}
+static inline void outsw(u16 port, u16 *data, u32 count) {
+ asm volatile("rep outsw %%es:(%%esi), (%%dx)"
+ : "+c"(count), "+S"(data) : "d"(port) : "memory");
+}
+static inline void outsl(u16 port, u32 *data, u32 count) {
+ asm volatile("rep outsl %%es:(%%esi), (%%dx)"
+ : "+c"(count), "+S"(data) : "d"(port) : "memory");
+}
+
+#endif // !__ASSEMBLY__