taglinefilesource code
HD_CMD237drivers/block/hd.coutb_p(hd_info[drive].ctl,HD_CMD);
HD_CMD375drivers/block/hd.coutb_p(4,HD_CMD);
HD_CMD377drivers/block/hd.coutb_p(hd_info[0].ctl & 0x0f,HD_CMD);
HD_CMD1028drivers/block/hd.crequest_region(HD_CMD, 1, "hd(cmd)");