[prefix] Add A20-enabling code in libflat

[gpxe.git] / src / arch / i386 / firmware / pcbios / gateA20.c

diff --git a/src/arch/i386/firmware/pcbios/gateA20.c b/src/arch/i386/firmware/pcbios/gateA20.c
index 9113524..1a71472 100644 (file)
--- a/src/arch/i386/firmware/pcbios/gateA20.c
+++ b/src/arch/i386/firmware/pcbios/gateA20.c
@@ -1,6 +1,9 @@
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdio.h>
 #include <realmode.h>
 #include <bios.h>
+#include <gpxe/io.h>
 #include <gpxe/timer.h>
 
 #define K_RDWR         0x60            /* keyboard data & cmds (read/write) */