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nscsi_hd: Added 6-byte WRITE, logging of unknown commands, and some Apple-specific SCSI tweaks. [R. Belmont]

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R. Belmont 2013-03-01 01:26:03 +00:00
parent ec26ac476e
commit b5c2387e61
1 changed files with 77 additions and 5 deletions
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82
src/emu/machine/nscsi_hd.c
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@ -72,6 +72,18 @@ void nscsi_harddisk_device::scsi_put_data(int id, int pos, UINT8 data)
void nscsi_harddisk_device::scsi_command()
{
#if 0
if (scsi_cmdbuf[0] != SC_READ)
{
logerror("%s: ", tag());
for (int i = 0; i < 6; i++)
{
logerror("%02x ", scsi_cmdbuf[i]);
}
logerror("\n");
}
#endif
switch(scsi_cmdbuf[0]) {
case SC_TEST_UNIT_READY:
logerror("%s: command TEST UNIT READY\n", tag());
@ -91,6 +103,19 @@ void nscsi_harddisk_device::scsi_command()
scsi_status_complete(SS_GOOD);
break;
case SC_WRITE:
lba = ((scsi_cmdbuf[1] & 0x1f)<<16) | (scsi_cmdbuf[2]<<8) | scsi_cmdbuf[3];
blocks = scsi_cmdbuf[4];
if(!blocks)
blocks = 256;
logerror("%s: command WRITE start=%08x blocks=%04x\n",
tag(), lba, blocks);
scsi_data_out(2, blocks*bytes_per_sector);
scsi_status_complete(SS_GOOD);
break;
case SC_INQUIRY: {
int lun = get_lun(scsi_cmdbuf[1] >> 5);
logerror("%s: command INQUIRY lun=%d EVPD=%d page=%d alloc=%02x link=%02x\n",
@ -109,13 +134,31 @@ void nscsi_harddisk_device::scsi_command()
scsi_cmdbuf[0] = 0x00; // device is direct-access (e.g. hard disk)
scsi_cmdbuf[1] = 0x00; // media is not removable
scsi_cmdbuf[2] = 0x05; // device complies with SPC-3 standard
scsi_cmdbuf[3] = 0x02; // response data format = SPC-3 standard
scsi_cmdbuf[3] = 0x01; // response data format = CCS
// Apple HD SC setup utility needs to see this
strcpy((char *)&scsi_cmdbuf[8], " SEAGATE");
strcpy((char *)&scsi_cmdbuf[16], " ST225N");
strcpy((char *)&scsi_cmdbuf[32], "1.0");
if(size > 148)
size = 148;
strcpy((char *)&scsi_cmdbuf[15], " ST225N");
strcpy((char *)&scsi_cmdbuf[31], "1.00");
scsi_cmdbuf[36] = 0x00; // # of extents high
scsi_cmdbuf[37] = 0x08; // # of extents low
scsi_cmdbuf[38] = 0x00; // group 0 commands 0-1f
scsi_cmdbuf[39] = 0x99; // commands 0,3,4,7
scsi_cmdbuf[40] = 0xa0; // commands 8, a
scsi_cmdbuf[41] = 0x27; // commands 12,15,16,17
scsi_cmdbuf[42] = 0x34; // commands 1a,1b,1d
scsi_cmdbuf[43] = 0x01; // group 1 commands 20-3f
scsi_cmdbuf[44] = 0x04;
scsi_cmdbuf[45] = 0xa0;
scsi_cmdbuf[46] = 0x01;
scsi_cmdbuf[47] = 0x18;
scsi_cmdbuf[48] = 0x07; // group 7 commands e0-ff
scsi_cmdbuf[49] = 0x00;
scsi_cmdbuf[50] = 0xa0; // commands 8, a
scsi_cmdbuf[51] = 0x00;
scsi_cmdbuf[52] = 0x00;
scsi_cmdbuf[53] = 0xff; // end of list
if(size > 54)
size = 54;
scsi_data_in(0, size);
break;
}
@ -218,6 +261,34 @@ void nscsi_harddisk_device::scsi_command()
break;
}
case 0x30: { // Apple firmware ID page
scsi_cmdbuf[pos++] = 0xb0; // cPS, page id
scsi_cmdbuf[pos++] = 0x16; // Page length
scsi_cmdbuf[pos++] = 'A';
scsi_cmdbuf[pos++] = 'P';
scsi_cmdbuf[pos++] = 'P';
scsi_cmdbuf[pos++] = 'L';
scsi_cmdbuf[pos++] = 'E';
scsi_cmdbuf[pos++] = ' ';
scsi_cmdbuf[pos++] = 'C';
scsi_cmdbuf[pos++] = 'O';
scsi_cmdbuf[pos++] = 'M';
scsi_cmdbuf[pos++] = 'P';
scsi_cmdbuf[pos++] = 'U';
scsi_cmdbuf[pos++] = 'T';
scsi_cmdbuf[pos++] = 'E';
scsi_cmdbuf[pos++] = 'R';
scsi_cmdbuf[pos++] = ',';
scsi_cmdbuf[pos++] = ' ';
scsi_cmdbuf[pos++] = 'I';
scsi_cmdbuf[pos++] = 'N';
scsi_cmdbuf[pos++] = 'C';
scsi_cmdbuf[pos++] = ' ';
scsi_cmdbuf[pos++] = ' ';
scsi_cmdbuf[pos++] = ' ';
break;
}
default:
logerror("%s: mode sense page %02x unhandled\n", tag(), page);
break;
@ -280,6 +351,7 @@ void nscsi_harddisk_device::scsi_command()
break;
default:
logerror("%s: command %02x ***UNKNOWN***\n", tag(), scsi_cmdbuf[0]);
nscsi_full_device::scsi_command();
break;
}