fdd_rw            587 bsp/drv/dev/block/fdd.c 			error = fdd_rw(sc, IO_READ, sc->rbuf, FDG_SECTORS,
fdd_rw            648 bsp/drv/dev/block/fdd.c 		error = fdd_rw(sc, IO_WRITE, wbuf, 1, blkno);