standard_1c6.v

郑亚民版的可编程逻辑器件开发软件quatus ii里的一些例程

//megafunction wizard: %Altera SOPC Builder%
//GENERATION: STANDARD
//VERSION: WM1.0


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//use of Altera Corporation's design tools, logic functions and other
//software and tools, and its AMPP partner logic functions, and any
//output files any of the foregoing (including device programming or
//simulation files), and any associated documentation or information are
//expressly subject to the terms and conditions of the Altera Program
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//including, without limitation, that your use is for the sole purpose
//of programming logic devices manufactured by Altera and sold by Altera
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// synthesis translate_off
`timescale 1ns / 100ps
// synthesis translate_on
module cpu_0_jtag_debug_module_arbitrator (
                                            // inputs:
                                             clk,
                                             cpu_0_data_master_address_to_slave,
                                             cpu_0_data_master_byteenable,
                                             cpu_0_data_master_debugaccess,
                                             cpu_0_data_master_read,
                                             cpu_0_data_master_write,
                                             cpu_0_data_master_writedata,
                                             cpu_0_instruction_master_address_to_slave,
                                             cpu_0_instruction_master_latency_counter,
                                             cpu_0_instruction_master_read,
                                             cpu_0_instruction_master_read_data_valid_sdram_s1_shift_register,
                                             cpu_0_jtag_debug_module_readdata,
                                             cpu_0_jtag_debug_module_resetrequest,
                                             reset_n,

                                            // outputs:
                                             cpu_0_data_master_granted_cpu_0_jtag_debug_module,
                                             cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module,
                                             cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module,
                                             cpu_0_data_master_requests_cpu_0_jtag_debug_module,
                                             cpu_0_instruction_master_granted_cpu_0_jtag_debug_module,
                                             cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module,
                                             cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module,
                                             cpu_0_instruction_master_requests_cpu_0_jtag_debug_module,
                                             cpu_0_jtag_debug_module_address,
                                             cpu_0_jtag_debug_module_begintransfer,
                                             cpu_0_jtag_debug_module_byteenable,
                                             cpu_0_jtag_debug_module_chipselect,
                                             cpu_0_jtag_debug_module_debugaccess,
                                             cpu_0_jtag_debug_module_readdata_from_sa,
                                             cpu_0_jtag_debug_module_reset,
                                             cpu_0_jtag_debug_module_reset_n,
                                             cpu_0_jtag_debug_module_resetrequest_from_sa,
                                             cpu_0_jtag_debug_module_write,
                                             cpu_0_jtag_debug_module_writedata,
                                             d1_cpu_0_jtag_debug_module_end_xfer
                                          );

  output           cpu_0_data_master_granted_cpu_0_jtag_debug_module;
  output           cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module;
  output           cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module;
  output           cpu_0_data_master_requests_cpu_0_jtag_debug_module;
  output           cpu_0_instruction_master_granted_cpu_0_jtag_debug_module;
  output           cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module;
  output           cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module;
  output           cpu_0_instruction_master_requests_cpu_0_jtag_debug_module;
  output  [  8: 0] cpu_0_jtag_debug_module_address;
  output           cpu_0_jtag_debug_module_begintransfer;
  output  [  3: 0] cpu_0_jtag_debug_module_byteenable;
  output           cpu_0_jtag_debug_module_chipselect;
  output           cpu_0_jtag_debug_module_debugaccess;
  output  [ 31: 0] cpu_0_jtag_debug_module_readdata_from_sa;
  output           cpu_0_jtag_debug_module_reset;
  output           cpu_0_jtag_debug_module_reset_n;
  output           cpu_0_jtag_debug_module_resetrequest_from_sa;
  output           cpu_0_jtag_debug_module_write;
  output  [ 31: 0] cpu_0_jtag_debug_module_writedata;
  output           d1_cpu_0_jtag_debug_module_end_xfer;
  input            clk;
  input   [ 26: 0] cpu_0_data_master_address_to_slave;
  input   [  3: 0] cpu_0_data_master_byteenable;
  input            cpu_0_data_master_debugaccess;
  input            cpu_0_data_master_read;
  input            cpu_0_data_master_write;
  input   [ 31: 0] cpu_0_data_master_writedata;
  input   [ 26: 0] cpu_0_instruction_master_address_to_slave;
  input   [  1: 0] cpu_0_instruction_master_latency_counter;
  input            cpu_0_instruction_master_read;
  input   [  6: 0] cpu_0_instruction_master_read_data_valid_sdram_s1_shift_register;
  input   [ 31: 0] cpu_0_jtag_debug_module_readdata;
  input            cpu_0_jtag_debug_module_resetrequest;
  input            reset_n;

  wire             cpu_0_data_master_arbiterlock;
  wire             cpu_0_data_master_continuerequest;
  wire             cpu_0_data_master_granted_cpu_0_jtag_debug_module;
  wire             cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module;
  wire             cpu_0_data_master_read_data_valid_cpu_0_jtag_debug_module;
  wire             cpu_0_data_master_requests_cpu_0_jtag_debug_module;
  wire             cpu_0_data_master_saved_grant_cpu_0_jtag_debug_module;
  wire             cpu_0_instruction_master_arbiterlock;
  wire             cpu_0_instruction_master_continuerequest;
  wire             cpu_0_instruction_master_granted_cpu_0_jtag_debug_module;
  wire             cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module;
  wire             cpu_0_instruction_master_read_data_valid_cpu_0_jtag_debug_module;
  wire             cpu_0_instruction_master_requests_cpu_0_jtag_debug_module;
  wire             cpu_0_instruction_master_saved_grant_cpu_0_jtag_debug_module;
  wire    [  8: 0] cpu_0_jtag_debug_module_address;
  wire             cpu_0_jtag_debug_module_allgrants;
  wire             cpu_0_jtag_debug_module_allow_new_arb_cycle;
  wire             cpu_0_jtag_debug_module_any_continuerequest;
  reg     [  1: 0] cpu_0_jtag_debug_module_arb_addend;
  wire             cpu_0_jtag_debug_module_arb_counter_enable;
  reg     [  1: 0] cpu_0_jtag_debug_module_arb_share_counter;
  wire    [  1: 0] cpu_0_jtag_debug_module_arb_share_counter_next_value;
  wire    [  1: 0] cpu_0_jtag_debug_module_arb_share_set_values;
  wire    [  1: 0] cpu_0_jtag_debug_module_arb_winner;
  wire             cpu_0_jtag_debug_module_arbitration_holdoff_internal;
  wire             cpu_0_jtag_debug_module_beginbursttransfer_internal;
  wire             cpu_0_jtag_debug_module_begins_xfer;
  wire             cpu_0_jtag_debug_module_begintransfer;
  wire    [  3: 0] cpu_0_jtag_debug_module_byteenable;
  wire             cpu_0_jtag_debug_module_chipselect;
  wire    [  3: 0] cpu_0_jtag_debug_module_chosen_master_double_vector;
  wire    [  1: 0] cpu_0_jtag_debug_module_chosen_master_rot_left;
  wire             cpu_0_jtag_debug_module_debugaccess;
  wire             cpu_0_jtag_debug_module_end_xfer;
  wire             cpu_0_jtag_debug_module_firsttransfer;
  wire    [  1: 0] cpu_0_jtag_debug_module_grant_vector;
  wire             cpu_0_jtag_debug_module_in_a_read_cycle;
  wire             cpu_0_jtag_debug_module_in_a_write_cycle;
  wire    [  1: 0] cpu_0_jtag_debug_module_master_qreq_vector;
  wire    [ 31: 0] cpu_0_jtag_debug_module_readdata_from_sa;
  wire             cpu_0_jtag_debug_module_reset;
  wire             cpu_0_jtag_debug_module_reset_n;
  wire             cpu_0_jtag_debug_module_resetrequest_from_sa;
  reg     [  1: 0] cpu_0_jtag_debug_module_saved_chosen_master_vector;
  reg              cpu_0_jtag_debug_module_slavearbiterlockenable;
  wire             cpu_0_jtag_debug_module_waits_for_read;
  wire             cpu_0_jtag_debug_module_waits_for_write;
  wire             cpu_0_jtag_debug_module_write;
  wire    [ 31: 0] cpu_0_jtag_debug_module_writedata;
  reg              d1_cpu_0_jtag_debug_module_end_xfer;
  reg              d1_reasons_to_wait;
  wire             in_a_read_cycle;
  wire             in_a_write_cycle;
  reg              last_cycle_cpu_0_data_master_granted_slave_cpu_0_jtag_debug_module;
  reg              last_cycle_cpu_0_instruction_master_granted_slave_cpu_0_jtag_debug_module;
  wire             wait_for_cpu_0_jtag_debug_module_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 <= ~cpu_0_jtag_debug_module_end_xfer;
    end


  assign cpu_0_jtag_debug_module_begins_xfer = ~d1_reasons_to_wait & ((cpu_0_data_master_qualified_request_cpu_0_jtag_debug_module | cpu_0_instruction_master_qualified_request_cpu_0_jtag_debug_module));
  //assign cpu_0_jtag_debug_module_readdata_from_sa = cpu_0_jtag_debug_module_readdata so that symbol knows where to group signals which may go to master only, which is an e_assign
  assign cpu_0_jtag_debug_module_readdata_from_sa = cpu_0_jtag_debug_module_readdata;

  assign cpu_0_data_master_requests_cpu_0_jtag_debug_module = ({cpu_0_data_master_address_to_slave[26 : 11] , 11'b0} == 27'h280800) & (cpu_0_data_master_read | cpu_0_data_master_write);
  //cpu_0_jtag_debug_module_arb_share_counter set values, which is an e_mux
  assign cpu_0_jtag_debug_module_arb_share_set_values = 1;