OrionLibC

diff --git a/include/sys/param.h b/include/sys/param.h
new file mode 100644
index 0000000..11ca58a
--- /dev/null
+++ b/include/sys/param.h
@@ -0,0 +1,32 @@
+#ifndef _SYS_PARAM_H
+#define _SYS_PARAM_H
+
+#include <stddef.h>
+#include <sys/types.h>
+
+#define NBBY 8
+
+/* Bit map related macros.  */
+#define setbit(a,i)     ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
+#define clrbit(a,i)     ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
+#define isset(a,i)      ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
+#define isclr(a,i)      (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
+
+/* Macros for counting and rounding.  */
+#ifndef howmany
+# define howmany(x, y)  (((x) + ((y) - 1)) / (y))
+#endif
+#ifdef __GNUC__
+# define roundup(x, y)  (__builtin_constant_p (y) && powerof2 (y)             \
+                         ? (((x) + (y) - 1) & ~((y) - 1))                     \
+                         : ((((x) + ((y) - 1)) / (y)) * (y)))
+#else
+# define roundup(x, y)  ((((x) + ((y) - 1)) / (y)) * (y))
+#endif
+#define powerof2(x)     ((((x) - 1) & (x)) == 0)
+
+/* Macros for min/max.  */
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+
+#endif