void threecom3c505_device::device_reset()
{
LOG1(("reset 3COM 3C505"));
m_rx_fifo.reset();
m_rx_data_buffer.reset();
m_tx_data_buffer.reset();
m_program_buffer.reset();
memset(m_reg, 0, sizeof(m_reg));
m_status = HCRE | DIR_;
m_control = 0;
m_command_index = 0;
m_command_pending = 0;
m_wait_for_nak = 0;
m_wait_for_ack = 0;
m_rx_data_index = 0;
m_rx_pending = 0;
m_tx_data_length = 0;
m_response_length = 0;
m_response_index = 0;
m_microcode_running = 0;
m_microcode_version = 0;
m_i82586_config = 0;
// these will appear in /etc/nodestat -l
m_netstat.tot_recv = 0;
m_netstat.tot_xmit = 0;
m_netstat.err_CRC = 0;
m_netstat.err_align = 0;
m_netstat.err_res = 0;
m_netstat.err_ovrrun = 0;
memset(m_station_address, 0, sizeof(m_station_address));
memset(m_multicast_list, 0, sizeof(m_multicast_list));
set_filter_list();
set_promisc(true);
}
void threecom3c505_device::device_reset()
{
LOG1(("reset 3COM 3C505"));
m_rx_fifo.reset();
m_rx_data_buffer.reset();
m_tx_data_buffer.reset();
m_program_buffer.reset();
memset(m_reg, 0, sizeof(m_reg));
m_status = HCRE;
m_control = 0;
m_command_index = 0;
m_command_pending = 0;
m_mc_f9_pending = 0;
m_wait_for_ack = 0;
m_rx_data_index = 0;
m_rx_pending = 0;
m_tx_data_length = 0;
m_response_length = 0;
m_response_index = 0;
m_microcode_running = 0;
m_microcode_version = 0;
m_i82586_config = 0;
// FIXME: test data
m_netstat.tot_recv = 1;
m_netstat.tot_xmit = 2;
m_netstat.err_CRC = 3;
m_netstat.err_align = 4;
m_netstat.err_res = 5;
m_netstat.err_ovrrun = 6;
memset(m_station_address, 0 , sizeof(m_station_address));
memset(m_multicast_list, 0 , sizeof(m_multicast_list));
set_filter_list();
set_promisc(true);
}
void threecom3c505_device::do_command()
{
pcb_struct &command_pcp = (pcb_struct &) m_command_buffer;
// default to successful completion
m_response.command = command_pcp.command + CMD_RESPONSE_OFFSET;
m_response.length = 1;
m_response.data.failed = 0; // successful completion
switch (command_pcp.command)
{
case CMD_RESET: // 0x00
// FIXME: should never occur
break;
case CMD_CONFIGURE_ADAPTER_MEMORY: // 0x01
// TODO
break;
case CMD_CONFIGURE_82586: // 0x02
m_i82586_config = command_pcp.data.raw[0] + (command_pcp.data.raw[1] << 8);
break;
case CMD_RECEIVE_PACKET: // 0x08
// preset response PCB from the Receive Command PCB
m_rcv_response.command = CMD_RECEIVE_PACKET_COMPLETE; // 0x38
m_rcv_response.length = sizeof(struct Rcv_resp);
m_rcv_response.data.rcv_resp.buf_ofs = command_pcp.data.rcv_pkt.buf_ofs;
m_rcv_response.data.rcv_resp.buf_seg = command_pcp.data.rcv_pkt.buf_seg;
m_rcv_response.data.rcv_resp.buf_len = command_pcp.data.rcv_pkt.buf_len;
m_rcv_response.data.rcv_resp.pkt_len = 0;
m_rcv_response.data.rcv_resp.timeout = 0;
m_rcv_response.data.rcv_resp.status = 0;
m_rcv_response.data.rcv_resp.timetag = 0L; // TODO
m_rx_pending++;
set_command_pending(0);
return;
// break;
case CMD_TRANSMIT_PACKET_F9:
m_response.command = CMD_TRANSMIT_PACKET_COMPLETE;
// fall through
case CMD_TRANSMIT_PACKET: // 0x09
case CMD_TRANSMIT_PACKET_18: // 0x18
m_response.length = sizeof(struct Xmit_resp);
m_response.data.xmit_resp.buf_ofs = 0;
m_response.data.xmit_resp.buf_seg = 0;
m_response.data.xmit_resp.c_stat = 0; // successful completion
m_response.data.xmit_resp.status = 0;
break;
case CMD_EXECUTE_PROGRAM: // 0x0e
// m_response.length = 0;
// FIXME: hack?
m_status |= ASF_PCB_END;
break;
case CMD_NETWORK_STATISTICS: // 0x0a
m_response.length = sizeof(struct Netstat);
m_response.data.netstat.tot_recv = uint16_to_le(m_netstat.tot_recv);
m_response.data.netstat.tot_xmit = uint16_to_le(m_netstat.tot_xmit);
m_response.data.netstat.err_CRC = uint16_to_le(m_netstat.err_CRC);
m_response.data.netstat.err_align = uint16_to_le(m_netstat.err_align);
m_response.data.netstat.err_res = uint16_to_le(m_netstat.err_res);
m_response.data.netstat.err_ovrrun = uint16_to_le(m_netstat.err_ovrrun);
break;
case CMD_ADAPTER_INFO: // 0x11
m_response.length = sizeof(struct Info);
// FIXME: using demo data
m_response.data.info.minor_vers = 1;
m_response.data.info.major_vers = 2;
m_response.data.info.ROM_cksum = uint16_to_le(3);
m_response.data.info.RAM_sz = uint16_to_le(4);
m_response.data.info.free_ofs = uint16_to_le(5);
m_response.data.info.free_seg = uint16_to_le(6);
break;
case CMD_LOAD_MULTICAST_LIST:// 0x0b
if (command_pcp.length > sizeof(m_multicast_list)
|| (command_pcp.length % ETHERNET_ADDR_SIZE) != 0)
{
LOG(("CMD_LOAD_MULTICAST_LIST - unexpected data size %d", command_pcp.length));
}
else
{
memset(m_multicast_list, 0, sizeof(m_multicast_list));
memcpy(m_multicast_list, command_pcp.data.multicast, command_pcp.length- 2);
set_filter_list();
}
break;
case CMD_SET_STATION_ADDRESS: // 0x10
if (command_pcp.length != sizeof(m_station_address))
{
LOG(("CMD_SET_STATION_ADDRESS - unexpected data size %d", command_pcp.length));
memset(m_station_address, 0, sizeof(m_station_address));
}
else
{
memcpy(m_station_address, command_pcp.data.eth_addr, command_pcp.length);
}
set_filter_list();
set_mac((char *) m_station_address);
break;
case CMD_MC_17: // 0x17
m_microcode_running = 1;
break;
case CMD_DOWNLOAD_PROGRAM: // 0x0d
UINT16 mc_version = m_program_buffer.get_word(1);
switch (mc_version)
{
case APOLLO_MC_VERSION_SR10_2:
case APOLLO_MC_VERSION_SR10_4:
m_microcode_version = mc_version;
break;
default:
m_microcode_version = 0;
LOG(("CMD_DOWNLOAD_PROGRAM - unexpected microcode version %04x", mc_version));
break;
}
// return microcode version as program id
m_response.length = 2;
m_response.data.raw[0] = m_microcode_version & 0xff;
m_response.data.raw[1] = (m_microcode_version >> 8) & 0xff;
break;
}
m_response_index = 0;
m_response_length = m_response.length + 2;
m_status |= ACRF; /* set adapter command register full */
if (m_control & CMDE)
{
set_interrupt(ASSERT_LINE);
}
}
void threecom3c505_device::do_command()
{
// default to successful completion
m_response.command = m_command_buffer[0] + CMD_RESPONSE_OFFSET;
m_response.length = 1;
m_response.data.failed = 0; // successful completion
switch (m_command_buffer[0])
{
case CMD_RESET: // 0x00
// FIXME:
// device_reset();
break;
case CMD_CONFIGURE_ADAPTER_MEMORY: // 0x01
m_i82586_config = m_program_buffer.get_word(1);
break;
case CMD_RECEIVE_PACKET: // 0x08
if (m_rx_data_buffer.get_length() == 0 && !m_rx_fifo.get(&m_rx_data_buffer))
{
// receive data not yet available
m_rx_pending++;
set_command_pending(0);
}
else
{
do_receive_command();
}
return;
// break;
case CMD_MC_F9:
m_response.command = CMD_TRANSMIT_PACKET_COMPLETE;
// fall through
case CMD_TRANSMIT_PACKET: // 0x09
case CMD_TRANSMIT_PACKET_18: // 0x18
m_response.length = 8;
m_response.data.xmit_resp.buf_ofs = 0;
m_response.data.xmit_resp.buf_seg = 0;
m_response.data.xmit_resp.c_stat = 0; // successful completion
m_response.data.xmit_resp.status = 0;
break;
case CMD_EXECUTE_PROGRAM: // 0x0e
m_response.length = 0;
m_microcode_running = 1;
m_microcode_version = m_program_buffer.get_word(1);
break;
case CMD_NETWORK_STATISTICS: // 0x0a
m_response.length = sizeof(struct Netstat);
// response data must be LSB first!
m_response.data.netstat.tot_recv = lsb_first(m_netstat.tot_recv);
m_response.data.netstat.tot_xmit = lsb_first(m_netstat.tot_xmit);
m_response.data.netstat.err_CRC = lsb_first(m_netstat.err_CRC);
m_response.data.netstat.err_align = lsb_first(m_netstat.err_align);
m_response.data.netstat.err_res = lsb_first(m_netstat.err_res);
m_response.data.netstat.err_ovrrun = lsb_first(m_netstat.err_ovrrun);
break;
case CMD_ADAPTER_INFO: // 0x11
m_response.length = sizeof(struct Info);
// FIXME: replace test data; must be LSB first!
m_response.data.info.minor_vers = 1;
m_response.data.info.major_vers = 2;
m_response.data.info.ROM_cksum = lsb_first(3);
m_response.data.info.RAM_sz = lsb_first(4);
m_response.data.info.free_ofs = lsb_first(5);
m_response.data.info.free_seg = lsb_first(6);
break;
case CMD_LOAD_MULTICAST_LIST:// 0x0b
if (m_command_buffer[1] > sizeof(m_multicast_list) ||
(m_command_buffer[1] % ETHERNET_ADDR_SIZE) != 0)
{
LOG(("CMD_LOAD_MULTICAST_LIST - !!! unexpected data size %d !!!", m_command_buffer[1]));
}
else
{
memset(m_multicast_list, 0 , sizeof(m_multicast_list));
memcpy(m_multicast_list, m_command_buffer+2 , m_command_buffer[1]-2);
set_filter_list();
}
break;
case CMD_SET_STATION_ADDRESS: // 0x10
if (m_command_buffer[1] != sizeof(m_station_address))
{
LOG(("CMD_SET_STATION_ADDRESS - !!! unexpected data size %d !!!", m_command_buffer[1]));
memset(m_station_address, 0 , sizeof(m_station_address));
}
else
{
memcpy(m_station_address, m_command_buffer+2 , m_command_buffer[1]);
}
set_filter_list();
set_mac((char *)m_station_address);
break;
case CMD_CONFIGURE_82586: // 0x02
case CMD_DOWNLOAD_PROGRAM: // 0x0d
case CMD_MC_17: // 0x17
default:
break;
}
m_response_index = 0;
m_response_length = m_response.length + 2;
m_status |= ACRF; /* adapter command register full */
if (m_control & CMDE)
{
switch (m_command_buffer[0])
{
case CMD_NETWORK_STATISTICS: // 0x0a
case CMD_DOWNLOAD_PROGRAM: // 0xd
case CMD_EXECUTE_PROGRAM: // 0x0e
case CMD_ADAPTER_INFO: // 0x11
// interrupt later
m_timer->adjust( attotime::from_msec(5));
break;
default:
// interrupt at once
set_interrupt(ASSERT_LINE);
break;
}
}
}
