--- qemu/roms/seabios/src/cdrom.c 2018/04/24 19:23:50 1.1.1.5 +++ qemu/roms/seabios/src/cdrom.c 2018/04/24 19:43:31 1.1.1.6 @@ -184,60 +184,6 @@ cdemu_134b(struct bregs *regs) * CD booting ****************************************************************/ -static int -atapi_is_ready(struct disk_op_s *op) -{ - dprintf(6, "atapi_is_ready (drive=%p)\n", op->drive_g); - - /* Retry READ CAPACITY for 5 seconds unless MEDIUM NOT PRESENT is - * reported by the device. If the device reports "IN PROGRESS", - * 30 seconds is added. */ - struct cdbres_read_capacity info; - int in_progress = 0; - u64 end = calc_future_tsc(5000); - for (;;) { - if (check_tsc(end)) { - dprintf(1, "read capacity failed\n"); - return -1; - } - - int ret = cdb_read_capacity(op, &info); - if (!ret) - // Success - break; - - struct cdbres_request_sense sense; - ret = cdb_get_sense(op, &sense); - if (ret) - // Error - retry. - continue; - - // Sense succeeded. - if (sense.asc == 0x3a) { /* MEDIUM NOT PRESENT */ - dprintf(1, "Device reports MEDIUM NOT PRESENT\n"); - return -1; - } - - if (sense.asc == 0x04 && sense.ascq == 0x01 && !in_progress) { - /* IN PROGRESS OF BECOMING READY */ - printf("Waiting for device to detect medium... "); - /* Allow 30 seconds more */ - end = calc_future_tsc(30000); - in_progress = 1; - } - } - - u32 blksize = ntohl(info.blksize), sectors = ntohl(info.sectors); - if (blksize != GET_GLOBAL(op->drive_g->blksize)) { - printf("Unsupported sector size %u\n", blksize); - return -1; - } - - dprintf(6, "sectors=%u\n", sectors); - printf("%dMB medium detected\n", sectors>>(20-11)); - return 0; -} - int cdrom_boot(struct drive_s *drive_g) { @@ -248,9 +194,9 @@ cdrom_boot(struct drive_s *drive_g) if (!dop.drive_g || cdid < 0) return 1; - int ret = atapi_is_ready(&dop); + int ret = scsi_is_ready(&dop); if (ret) - dprintf(1, "atapi_is_ready returned %d\n", ret); + dprintf(1, "scsi_is_ready returned %d\n", ret); // Read the Boot Record Volume Descriptor u8 buffer[2048];