ATA_STATUS
ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res;
ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset;
request->status = ATA_IDX_INB(ch, ATA_STATUS);
request->status = ATA_IDX_INB(ch, ATA_STATUS);
request->status = ATA_IDX_INB(ch, ATA_STATUS);
ostat0 = ATA_IDX_INB(ch, ATA_STATUS);
ostat1 = ATA_IDX_INB(ch, ATA_STATUS);
stat0 = ATA_IDX_INB(ch, ATA_STATUS);
stat1 = ATA_IDX_INB(ch, ATA_STATUS);
int status = ATA_IDX_INB(ch, ATA_STATUS);
(ATA_IDX_INB(ch, ATA_STATUS) != 0xff))
ch->r_io[ATA_STATUS].offset = ch_offset + 0x1c;
stat = ATA_IDX_INB(ch, ATA_STATUS);