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SCSI fixes of the day (August 8th, 2024)

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SCSI CD-ROM: request sense command should preserve its sense data unless a different command is issued, fixes DOS hanging with a blinking cursor using CDSCSI-2.sys for the 53c9x MCA card when there's no CD inside, making its no length Data In hack no longer needed.
This commit is contained in:
TC1995
2024-08-08 01:20:29 +02:00
parent 479ab87f17
commit 1e82bd88a1
2 changed files with 4 additions and 7 deletions
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7
src/scsi/scsi_cdrom.c
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@@ -1724,9 +1724,6 @@ scsi_cdrom_request_sense(scsi_cdrom_t *dev, uint8_t *buffer, uint8_t alloc_lengt
that condition. */ that condition. */
dev->unit_attention = 0; dev->unit_attention = 0;
} }
/* Clear the sense stuff as per the spec. */
scsi_cdrom_sense_clear(dev, GPCMD_REQUEST_SENSE);
} }
void void
@@ -1841,6 +1838,10 @@ scsi_cdrom_command(scsi_common_t *sc, uint8_t *cdb)
return; return;
begin: begin:
if (cdb[0] != GPCMD_REQUEST_SENSE) {
/* Clear the sense stuff as per the spec. */
scsi_cdrom_sense_clear(dev, cdb[0]);
}
switch (cdb[0]) { switch (cdb[0]) {
case GPCMD_TEST_UNIT_READY: case GPCMD_TEST_UNIT_READY:
scsi_cdrom_set_phase(dev, SCSI_PHASE_STATUS); scsi_cdrom_set_phase(dev, SCSI_PHASE_STATUS);

4
src/scsi/scsi_pcscsi.c
View File

@@ -545,10 +545,6 @@ esp_do_command_phase(esp_t *dev)
esp_log("ESP SCSI Start reading/writing\n"); esp_log("ESP SCSI Start reading/writing\n");
esp_do_dma(dev); esp_do_dma(dev);
} else { } else {
if (dev->mca && (buf[0] == 0x43) && (sd->phase == SCSI_PHASE_STATUS)) {
esp_set_phase(dev, STAT_DI);
scsi_device_command_phase1(sd);
}
esp_log("ESP SCSI Command with no length\n"); esp_log("ESP SCSI Command with no length\n");
esp_command_complete(dev, sd->status); esp_command_complete(dev, sd->status);
} }