General additions, fixes and bugfixes

ipl/util.h

@@ -20,6 +20,9 @@
 
 #include "types.h"
 
+#define byte_swap_32(num) ((num>>24)&0xff) | ((num<<8)&0xff0000) | \
+						((num>>8)&0xff00) | ((num<<24)&0xff000000); \
+
 typedef struct _cfg_op_t
 {
 	u32 off;