bcopy_fromio
#define bcopy_fromio(s, d, c) copyw((void*)(s), (void*)(d), (c))
#define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
#define bcopy_fromio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
#define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c))