1 files changed, 19 insertions, 0 deletions
diff --git a/lib/sys/types.h b/lib/sys/types.h
new file mode 100644
index 0000000..0aafec5
--- /dev/null
+++ b/lib/sys/types.h
@@ -0,0 +1,19 @@
+#ifndef TYPES_H
+#define TYPES_H
+
+#include "sizes.h"
+
+typedef u64 dev_t;
+typedef u32 mode_t;
+
+static dev_t inline device(dev_t major, dev_t minor)
+{
+	dev_t dev;
+	dev  = (((dev_t) (major & 0x00000fffu)) <<  8);
+	dev |= (((dev_t) (major & 0xfffff000u)) << 32);
+	dev |= (((dev_t) (minor & 0x000000ffu)) <<  0);
+	dev |= (((dev_t) (minor & 0xffffff00u)) << 12);
+	return dev;
+}
+
+#endif