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READ CD, READ CD OLD, and READ CD MSF with all flag bits cleared, are now treated as a non-data command.

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OBattler
2022-01-10 14:36:53 +01:00
parent 50679f8faa
commit 273d5af048
1 changed files with 9 additions and 0 deletions
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9
src/scsi/scsi_cdrom.c
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@@ -1623,7 +1623,12 @@ scsi_cdrom_command(scsi_common_t *sc, uint8_t *cdb)
dev->sector_len -= dev->sector_pos; dev->sector_len -= dev->sector_pos;
dev->sector_len++; dev->sector_len++;
msf = 1; msf = 1;
/* If all the flag bits are cleared, then treat it as a non-data command. */
if (cdb[9] == 0x00)
dev->sector_len = 0;
break; break;
case GPCMD_READ_CD_OLD: case GPCMD_READ_CD_OLD:
case GPCMD_READ_CD: case GPCMD_READ_CD:
@@ -1632,6 +1637,10 @@ scsi_cdrom_command(scsi_common_t *sc, uint8_t *cdb)
dev->sector_pos = (cdb[2] << 24) | (cdb[3] << 16) | (cdb[4] << 8) | cdb[5]; dev->sector_pos = (cdb[2] << 24) | (cdb[3] << 16) | (cdb[4] << 8) | cdb[5];
msf = 0; msf = 0;
/* If all the flag bits are cleared, then treat it as a non-data command. */
if (cdb[9] == 0x00)
dev->sector_len = 0;
break; break;
} }