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Fixed both the ATAPI and SCSI implementations of the READ TRACK INFORMATION command.

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This commit is contained in:
OBattler
2016-12-25 17:38:01 +01:00
parent 8fac789295
commit e9327bbc84
2 changed files with 61 additions and 24 deletions
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41
src/scsi_cdrom.c
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@@ -46,6 +46,7 @@ uint8_t SCSICommandTable[0x100] =
[GPCMD_PAUSE_RESUME] = CHECK_READY,
[GPCMD_STOP_PLAY_SCAN] = CHECK_READY,
[GPCMD_READ_DISC_INFORMATION] = CHECK_READY,
[GPCMD_READ_TRACK_INFORMATION] = CHECK_READY,
[GPCMD_MODE_SELECT_10] = 0,
[GPCMD_MODE_SENSE_10] = 0,
[GPCMD_PLAY_AUDIO_12] = CHECK_READY,
@@ -1156,6 +1157,7 @@ void SCSICDROM_ReadData(uint8_t id, uint8_t *cdb, uint8_t *data, int datalen)
unsigned PreambleLen;
unsigned char Temp;
int read_length = 0;
int max_length = 0;
msf = cdb[1] & 2;
@@ -1553,24 +1555,34 @@ SCSIOut:
break;
case GPCMD_READ_TRACK_INFORMATION:
if ((SCSIDevices[id].Cdb[3] != 1) || (SCSIDevices[id].Cdb[2] != 1))
{
SCSIStatus = SCSI_STATUS_CHECK_CONDITION;
SCSISenseCodeError(SENSE_ILLEGAL_REQUEST, ASC_INV_FIELD_IN_CMD_PACKET, 0x00);
if (SCSISense.UnitAttention)
{
SCSISenseCodeError(SENSE_UNIT_ATTENTION, ASC_MEDIUM_MAY_HAVE_CHANGED, 0);
}
SCSICallback[id]=50*SCSI_TIME;
return;
}
max_length = SCSIDevices[id].Cdb[7];
max_length <<= 8;
max_length |= SCSIDevices[id].Cdb[8];
if (cdrom->read_track_information)
{
cdrom->read_track_information(SCSIDevices[id].Cdb, SCSIDevices[id].CmdBuffer);
datalen = SCSIDevices[id].CmdBuffer[0];
datalen <<= 8;
datalen |= SCSIDevices[id].CmdBuffer[1];
datalen += 2;
}
else
{
if ((SCSIDevices[id].Cdb[3] != 1) || (SCSIDevices[id].Cdb[2] != 1))
{
SCSIStatus = SCSI_STATUS_CHECK_CONDITION;
SCSISenseCodeError(SENSE_ILLEGAL_REQUEST, ASC_INV_FIELD_IN_CMD_PACKET, 0x00);
if (SCSISense.UnitAttention)
{
SCSISenseCodeError(SENSE_UNIT_ATTENTION, ASC_MEDIUM_MAY_HAVE_CHANGED, 0);
}
SCSICallback[id]=50*SCSI_TIME;
return;
}
datalen = 36;
SCSIDevices[id].CmdBuffer[1] = 34;
SCSIDevices[id].CmdBuffer[2] = 1; /* track number (LSB) */
SCSIDevices[id].CmdBuffer[3] = 1; /* session number (LSB) */
@@ -1585,6 +1597,13 @@ SCSIOut:
SCSIDevices[id].CmdBuffer[32] = 0; /* track number (MSB) */
SCSIDevices[id].CmdBuffer[33] = 0; /* session number (MSB) */
}
if (datalen > max_length)
{
datalen = max_length;
SCSIDevices[id].CmdBuffer[0] = ((max_length - 2) >> 8) & 0xff;
SCSIDevices[id].CmdBuffer[1] = (max_length - 2) & 0xff;
}
break;
case GPCMD_READ_DVD_STRUCTURE: