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Added missing CD-ROM mode select functionality.

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This commit is contained in:
SarahW 2018-03-17 12:26:51 +00:00
commit 48853d3725
1 changed files with 66 additions and 7 deletions
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73
src/scsi_cd.c
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@ -522,6 +522,65 @@ static uint32_t ide_atapi_mode_sense(scsi_cd_data_t *data, uint32_t pos, uint8_t
return pos;
}
static void cdrom_mode_select(scsi_cd_data_t *data, int data_len)
{
int len = data->data_out[1] | (data->data_out[0] << 8);
int pos = 8 + len; /*Skip over mode parameter header*/
while (pos < data_len)
{
int page_code = data->data_out[pos] & 0x3f;
len = data->data_out[pos+1];
pos += 2;
switch (page_code)
{
case GPMODE_CDROM_AUDIO_PAGE:
if (len != 0xe)
{
atapi_cmd_error(data, KEY_ILLEGAL_REQ, ASC_INV_FIELD_IN_CMD_PACKET, 0);
return;
}
memcpy(mode_pages_in[GPMODE_CDROM_AUDIO_PAGE], &data->data_out[pos], 0xe);
page_flags[GPMODE_CDROM_AUDIO_PAGE] |= PAGE_CHANGED;
pos += len;
break;
case GPMODE_R_W_ERROR_PAGE:
if (len != 0x6)
{
atapi_cmd_error(data, KEY_ILLEGAL_REQ, ASC_INV_FIELD_IN_CMD_PACKET, 0);
return;
}
pos += len;
break;
case GPMODE_CDROM_PAGE:
if (len != 0x6)
{
atapi_cmd_error(data, KEY_ILLEGAL_REQ, ASC_INV_FIELD_IN_CMD_PACKET, 0);
return;
}
pos += len;
break;
case GPMODE_CAPABILITIES_PAGE:
if (len != 0x12)
{
atapi_cmd_error(data, KEY_ILLEGAL_REQ, ASC_INV_FIELD_IN_CMD_PACKET, 0);
return;
}
pos += len;
break;
default:
atapi_cmd_error(data, KEY_ILLEGAL_REQ, ASC_INV_FIELD_IN_CMD_PACKET, 0);
return;
}
}
}
uint32_t atapi_get_cd_channel(int channel)
{
return (page_flags[GPMODE_CDROM_AUDIO_PAGE] & PAGE_CHANGED) ? mode_pages_in[GPMODE_CDROM_AUDIO_PAGE][channel ? 8 : 6] : (channel + 1);
@ -1030,18 +1089,18 @@ static int scsi_cd_command(uint8_t *cdb, void *p)
len = (cdb[7]<<8) | cdb[8];
data->prefix_len = 10;
}
data->page_current = cdb[2];
if (page_flags[data->page_current] & PAGE_CHANGEABLE)
page_flags[GPMODE_CDROM_AUDIO_PAGE] |= PAGE_CHANGED;
data->cmd_pos = CMD_POS_TRANSFER;
data->bytes_required = len;
pclog("MODE_SELECT len=%i\n", len);
return SCSI_PHASE_DATA_OUT;
}
pclog("MODE_SELECT complete\n");
data->cmd_pos = CMD_POS_IDLE;
return SCSI_PHASE_STATUS;
if (data->bytes_received == data->bytes_required)
{
cdrom_mode_select(data, data->bytes_required);
data->cmd_pos = CMD_POS_IDLE;
return SCSI_PHASE_STATUS;
}
return SCSI_PHASE_DATA_OUT;
case GPCMD_GET_EVENT_STATUS_NOTIFICATION: /*0x4a*/
temp_command = cdb[0];