static bool cmd_read_pio(IDEState *s, uint8_t cmd) { bool lba48 = (cmd == WIN_READ_EXT); if (s->drive_kind == IDE_CD) { ide_set_signature(s); /* odd, but ATA4 8.27.5.2 requires it */ ide_abort_command(s); return true; } if (!s->bs) { ide_abort_command(s); return true; } ide_cmd_lba48_transform(s, lba48); s->req_nb_sectors = 1; ide_sector_read(s); return false; }