System info & network

code/lib/bits.h

@@ -0,0 +1,26 @@
+#ifndef _PIUMA_LIB_BITS_H_
+#define _PIUMA_LIB_BITS_H_
+
+#include "types.h"
+
+inline u32 bits_endian_swap(u32 x)
+{
+	return
+		(x << 24             ) |
+		(x << 8  & 0x00FF0000) |
+		(x >> 8  & 0x0000FF00) |
+		(x >> 24             );
+}
+
+inline u32 bits_reverse(u32 x)
+{
+	u32 result = 0;
+	for(int i = 0; i < 32; i++)
+	{
+		result = result << 1 | (x & 1);
+		x = x >> 1;
+	}
+	return result;
+}
+
+#endif