1 files changed, 17 insertions, 6 deletions
diff --git a/devices/uart.h b/devices/uart.h
index 8def000..3349042 100644
--- a/devices/uart.h
+++ b/devices/uart.h
@@ -1,7 +1,21 @@
 #pragma once
 
-// #include <stdio.h>
-// #include <sys/io.h>
+#ifdef __ARCH__
+#include <stdio.h>
+#include <sys/io.h>
+
+#else
+// from stdio
+typedef struct FILE {
+  int id;
+  void (*putc)(const struct FILE *, char);
+  int (*puts)(const struct FILE *, const char *, int);
+  void (*flush)(const struct FILE *);
+} FILE;
+
+// from sys/io
+unsigned char inb(unsigned short);
+void outb(unsigned char, unsigned short);
 
 enum UART {
   COM1 = 0x3f8,
@@ -13,9 +27,6 @@ enum UART {
   COM7 = 0x5e8,
   COM8 = 0x4e8,
 };
-
-typedef struct {
-  unsigned id;
-} FILE;
+#endif
 
 FILE *uart_init(enum UART port);