1 files changed, 1 insertions, 0 deletions
diff --git a/cpu/io.h b/cpu/io.h
index 5e28e86..38858a4 100644
--- a/cpu/io.h
+++ b/cpu/io.h
@@ -6,6 +6,7 @@ extern void outw(uint16_t, uint16_t);
 extern void outl(uint16_t, uint32_t);
 
 extern uint32_t inl(uint16_t);
+extern uint16_t inw(uint16_t);
 extern uint16_t inb(uint16_t);
 
 extern void rep_outsw(uint16_t count, uint16_t port, volatile void *addy);