nios.v

Altera-jtag0

//////////////// SIMULATION-ONLY CONTENTS
  //cpu_instruction_master_address check against wait, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          cpu_instruction_master_address_last_time <= 0;
      else if (1)
          cpu_instruction_master_address_last_time <= cpu_instruction_master_address;
    end


  //cpu/instruction_master waited last time, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          active_and_waiting_last_time <= 0;
      else if (1)
          active_and_waiting_last_time <= cpu_instruction_master_waitrequest & (cpu_instruction_master_read);
    end


  //cpu_instruction_master_address matches last port_name, which is an e_process
  always @(active_and_waiting_last_time or cpu_instruction_master_address or cpu_instruction_master_address_last_time)
    begin
      if (active_and_waiting_last_time & (cpu_instruction_master_address != cpu_instruction_master_address_last_time))
        begin
          $write("%0d ns: cpu_instruction_master_address did not heed wait!!!", $time);
          $stop;
        end
    end


  //cpu_instruction_master_read check against wait, which is an e_register
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          cpu_instruction_master_read_last_time <= 0;
      else if (1)
          cpu_instruction_master_read_last_time <= cpu_instruction_master_read;
    end


  //cpu_instruction_master_read matches last port_name, which is an e_process
  always @(active_and_waiting_last_time or cpu_instruction_master_read or cpu_instruction_master_read_last_time)
    begin
      if (active_and_waiting_last_time & (cpu_instruction_master_read != cpu_instruction_master_read_last_time))
        begin
          $write("%0d ns: cpu_instruction_master_read did not heed wait!!!", $time);
          $stop;
        end
    end



//////////////// END SIMULATION-ONLY CONTENTS

//synthesis translate_on

endmodule



// turn off superfluous verilog processor warnings 
// altera message_level Level1 
// altera message_off 10034 10035 10036 10037 10230 10240 10030 

module jtag_uart_avalon_jtag_slave_arbitrator (
                                                // inputs:
                                                 clk,
                                                 cpu_data_master_address_to_slave,
                                                 cpu_data_master_read,
                                                 cpu_data_master_waitrequest,
                                                 cpu_data_master_write,
                                                 cpu_data_master_writedata,
                                                 jtag_uart_avalon_jtag_slave_dataavailable,
                                                 jtag_uart_avalon_jtag_slave_irq,
                                                 jtag_uart_avalon_jtag_slave_readdata,
                                                 jtag_uart_avalon_jtag_slave_readyfordata,
                                                 jtag_uart_avalon_jtag_slave_waitrequest,
                                                 reset_n,

                                                // outputs:
                                                 cpu_data_master_granted_jtag_uart_avalon_jtag_slave,
                                                 cpu_data_master_qualified_request_jtag_uart_avalon_jtag_slave,
                                                 cpu_data_master_read_data_valid_jtag_uart_avalon_jtag_slave,
                                                 cpu_data_master_requests_jtag_uart_avalon_jtag_slave,
                                                 d1_jtag_uart_avalon_jtag_slave_end_xfer,
                                                 jtag_uart_avalon_jtag_slave_address,
                                                 jtag_uart_avalon_jtag_slave_chipselect,
                                                 jtag_uart_avalon_jtag_slave_dataavailable_from_sa,
                                                 jtag_uart_avalon_jtag_slave_irq_from_sa,
                                                 jtag_uart_avalon_jtag_slave_read_n,
                                                 jtag_uart_avalon_jtag_slave_readdata_from_sa,
                                                 jtag_uart_avalon_jtag_slave_readyfordata_from_sa,
                                                 jtag_uart_avalon_jtag_slave_reset_n,
                                                 jtag_uart_avalon_jtag_slave_waitrequest_from_sa,
                                                 jtag_uart_avalon_jtag_slave_write_n,
                                                 jtag_uart_avalon_jtag_slave_writedata
                                              )
  /* synthesis auto_dissolve = "FALSE" */ ;

  output           cpu_data_master_granted_jtag_uart_avalon_jtag_slave;
  output           cpu_data_master_qualified_request_jtag_uart_avalon_jtag_slave;
  output           cpu_data_master_read_data_valid_jtag_uart_avalon_jtag_slave;
  output           cpu_data_master_requests_jtag_uart_avalon_jtag_slave;
  output           d1_jtag_uart_avalon_jtag_slave_end_xfer;
  output           jtag_uart_avalon_jtag_slave_address;
  output           jtag_uart_avalon_jtag_slave_chipselect;
  output           jtag_uart_avalon_jtag_slave_dataavailable_from_sa;
  output           jtag_uart_avalon_jtag_slave_irq_from_sa;
  output           jtag_uart_avalon_jtag_slave_read_n;
  output  [ 31: 0] jtag_uart_avalon_jtag_slave_readdata_from_sa;
  output           jtag_uart_avalon_jtag_slave_readyfordata_from_sa;
  output           jtag_uart_avalon_jtag_slave_reset_n;
  output           jtag_uart_avalon_jtag_slave_waitrequest_from_sa;
  output           jtag_uart_avalon_jtag_slave_write_n;
  output  [ 31: 0] jtag_uart_avalon_jtag_slave_writedata;
  input            clk;
  input   [ 24: 0] cpu_data_master_address_to_slave;
  input            cpu_data_master_read;
  input            cpu_data_master_waitrequest;
  input            cpu_data_master_write;
  input   [ 31: 0] cpu_data_master_writedata;
  input            jtag_uart_avalon_jtag_slave_dataavailable;
  input            jtag_uart_avalon_jtag_slave_irq;
  input   [ 31: 0] jtag_uart_avalon_jtag_slave_readdata;
  input            jtag_uart_avalon_jtag_slave_readyfordata;
  input            jtag_uart_avalon_jtag_slave_waitrequest;
  input            reset_n;

  wire             cpu_data_master_arbiterlock;
  wire             cpu_data_master_arbiterlock2;
  wire             cpu_data_master_continuerequest;
  wire             cpu_data_master_granted_jtag_uart_avalon_jtag_slave;
  wire             cpu_data_master_qualified_request_jtag_uart_avalon_jtag_slave;
  wire             cpu_data_master_read_data_valid_jtag_uart_avalon_jtag_slave;
  wire             cpu_data_master_requests_jtag_uart_avalon_jtag_slave;
  wire             cpu_data_master_saved_grant_jtag_uart_avalon_jtag_slave;
  reg              d1_jtag_uart_avalon_jtag_slave_end_xfer;
  reg              d1_reasons_to_wait;
  reg              enable_nonzero_assertions;
  wire             end_xfer_arb_share_counter_term_jtag_uart_avalon_jtag_slave;
  wire             in_a_read_cycle;
  wire             in_a_write_cycle;
  wire             jtag_uart_avalon_jtag_slave_address;
  wire             jtag_uart_avalon_jtag_slave_allgrants;
  wire             jtag_uart_avalon_jtag_slave_allow_new_arb_cycle;
  wire             jtag_uart_avalon_jtag_slave_any_bursting_master_saved_grant;
  wire             jtag_uart_avalon_jtag_slave_any_continuerequest;
  wire             jtag_uart_avalon_jtag_slave_arb_counter_enable;
  reg     [  1: 0] jtag_uart_avalon_jtag_slave_arb_share_counter;
  wire    [  1: 0] jtag_uart_avalon_jtag_slave_arb_share_counter_next_value;
  wire    [  1: 0] jtag_uart_avalon_jtag_slave_arb_share_set_values;
  wire             jtag_uart_avalon_jtag_slave_beginbursttransfer_internal;
  wire             jtag_uart_avalon_jtag_slave_begins_xfer;
  wire             jtag_uart_avalon_jtag_slave_chipselect;
  wire             jtag_uart_avalon_jtag_slave_dataavailable_from_sa;
  wire             jtag_uart_avalon_jtag_slave_end_xfer;
  wire             jtag_uart_avalon_jtag_slave_firsttransfer;
  wire             jtag_uart_avalon_jtag_slave_grant_vector;
  wire             jtag_uart_avalon_jtag_slave_in_a_read_cycle;
  wire             jtag_uart_avalon_jtag_slave_in_a_write_cycle;
  wire             jtag_uart_avalon_jtag_slave_irq_from_sa;
  wire             jtag_uart_avalon_jtag_slave_master_qreq_vector;
  wire             jtag_uart_avalon_jtag_slave_non_bursting_master_requests;
  wire             jtag_uart_avalon_jtag_slave_read_n;
  wire    [ 31: 0] jtag_uart_avalon_jtag_slave_readdata_from_sa;
  wire             jtag_uart_avalon_jtag_slave_readyfordata_from_sa;
  reg              jtag_uart_avalon_jtag_slave_reg_firsttransfer;
  wire             jtag_uart_avalon_jtag_slave_reset_n;
  reg              jtag_uart_avalon_jtag_slave_slavearbiterlockenable;
  wire             jtag_uart_avalon_jtag_slave_slavearbiterlockenable2;
  wire             jtag_uart_avalon_jtag_slave_unreg_firsttransfer;
  wire             jtag_uart_avalon_jtag_slave_waitrequest_from_sa;
  wire             jtag_uart_avalon_jtag_slave_waits_for_read;
  wire             jtag_uart_avalon_jtag_slave_waits_for_write;
  wire             jtag_uart_avalon_jtag_slave_write_n;
  wire    [ 31: 0] jtag_uart_avalon_jtag_slave_writedata;
  wire    [ 24: 0] shifted_address_to_jtag_uart_avalon_jtag_slave_from_cpu_data_master;
  wire             wait_for_jtag_uart_avalon_jtag_slave_counter;
  always @(posedge clk or negedge reset_n)
    begin
      if (reset_n == 0)
          d1_reasons_to_wait <= 0;
      else if (1)
          d1_reasons_to_wait <= ~jtag_uart_avalon_jtag_slave_end_xfer;
    end


  assign jtag_uart_avalon_jtag_slave_begins_xfer = ~d1_reasons_to_wait & ((cpu_data_master_qualified_request_jtag_uart_avalon_jtag_slave));
  //assign jtag_uart_avalon_jtag_slave_readdata_from_sa = jtag_uart_avalon_jtag_slave_readdata so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_readdata_from_sa = jtag_uart_avalon_jtag_slave_readdata;

  assign cpu_data_master_requests_jtag_uart_avalon_jtag_slave = ({cpu_data_master_address_to_slave[24 : 3] , 3'b0} == 25'h1005018) & (cpu_data_master_read | cpu_data_master_write);
  //assign jtag_uart_avalon_jtag_slave_dataavailable_from_sa = jtag_uart_avalon_jtag_slave_dataavailable so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_dataavailable_from_sa = jtag_uart_avalon_jtag_slave_dataavailable;

  //assign jtag_uart_avalon_jtag_slave_readyfordata_from_sa = jtag_uart_avalon_jtag_slave_readyfordata so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_readyfordata_from_sa = jtag_uart_avalon_jtag_slave_readyfordata;

  //assign jtag_uart_avalon_jtag_slave_waitrequest_from_sa = jtag_uart_avalon_jtag_slave_waitrequest so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_waitrequest_from_sa = jtag_uart_avalon_jtag_slave_waitrequest;

  //jtag_uart_avalon_jtag_slave_arb_share_counter set values, which is an e_mux
  assign jtag_uart_avalon_jtag_slave_arb_share_set_values = 1;

  //jtag_uart_avalon_jtag_slave_non_bursting_master_requests mux, which is an e_mux
  assign jtag_uart_avalon_jtag_slave_non_bursting_master_requests = cpu_data_master_requests_jtag_uart_avalon_jtag_slave;

  //jtag_uart_avalon_jtag_slave_any_bursting_master_saved_grant mux, which is an e_mux
  assign jtag_uart_avalon_jtag_slave_any_bursting_master_saved_grant = 0;

  //jtag_uart_avalon_jtag_slave_arb_share_counter_next_value assignment, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_arb_share_counter_next_value = jtag_uart_avalon_jtag_slave_firsttransfer ? (jtag_uart_avalon_jtag_slave_arb_share_set_values - 1) : |jtag_uart_avalon_jtag_slave_arb_share_counter ? (jtag_uart_avalon_jtag_slave_arb_share_counter - 1) : 0;

  //jtag_uart_avalon_jtag_slave_allgrants all slave grants, which is an e_mux
  assign jtag_uart_avalon_jtag_slave_allgrants = |jtag_uart_avalon_jtag_slave_grant_vector;

  //jtag_uart_avalon_jtag_slave_end_xfer assignment, which is an e_assign
  assign jtag_uart_avalon_jtag_slave_end_xfer = ~(jtag_uart_avalon_jtag_slave_waits_for_read | jtag_uart_avalon_jtag_slave_waits_for_write);

  //end_xfer_arb_share_counter_ter