1 files changed, 5 insertions, 0 deletions
diff --git a/hw/fdc.h b/hw/fdc.h
index d173902..c48b5e0 100644
--- a/hw/fdc.h
+++ b/hw/fdc.h
@@ -1,3 +1,6 @@
+#ifndef HW_FDC_H
+#define HW_FDC_H
+
 /* fdc.c */
 #include "sysemu.h"
 #define MAX_FD 2
@@ -10,3 +13,5 @@ FDCtrl *fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
 FDCtrl *sun4m_fdctrl_init(qemu_irq irq, target_phys_addr_t io_base,
                           DriveInfo **fds, qemu_irq *fdc_tc);
 int fdctrl_get_drive_type(FDCtrl *fdctrl, int drive_num);
+
+#endif