pipeline_bridge_before_atb.v

nios里面用自定义指令集来实现三角函数

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// synthesis translate_off
`timescale 1ns / 1ps
// synthesis translate_on

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

module pipeline_bridge_before_atb_downstream_adapter (
                                                       // inputs:
                                                        m1_clk,
                                                        m1_endofpacket,
                                                        m1_readdata,
                                                        m1_readdatavalid,
                                                        m1_reset_n,
                                                        m1_waitrequest,
                                                        s1_address,
                                                        s1_arbiterlock,
                                                        s1_arbiterlock2,
                                                        s1_burstcount,
                                                        s1_byteenable,
                                                        s1_chipselect,
                                                        s1_debugaccess,
                                                        s1_nativeaddress,
                                                        s1_read,
                                                        s1_write,
                                                        s1_writedata,

                                                       // outputs:
                                                        m1_address,
                                                        m1_arbiterlock,
                                                        m1_arbiterlock2,
                                                        m1_burstcount,
                                                        m1_byteenable,
                                                        m1_chipselect,
                                                        m1_debugaccess,
                                                        m1_nativeaddress,
                                                        m1_read,
                                                        m1_write,
                                                        m1_writedata,
                                                        s1_endofpacket,
                                                        s1_readdata,
                                                        s1_readdatavalid,
                                                        s1_waitrequest
                                                     )
;

  output  [ 24: 0] m1_address;
  output           m1_arbiterlock;
  output           m1_arbiterlock2;
  output           m1_burstcount;
  output  [  3: 0] m1_byteenable;
  output           m1_chipselect;
  output           m1_debugaccess;
  output  [ 22: 0] m1_nativeaddress;
  output           m1_read;
  output           m1_write;
  output  [ 31: 0] m1_writedata;
  output           s1_endofpacket;
  output  [ 31: 0] s1_readdata;
  output           s1_readdatavalid;
  output           s1_waitrequest;
  input            m1_clk;
  input            m1_endofpacket;
  input   [ 31: 0] m1_readdata;
  input            m1_readdatavalid;
  input            m1_reset_n;
  input            m1_waitrequest;
  input   [ 24: 0] s1_address;
  input            s1_arbiterlock;
  input            s1_arbiterlock2;
  input            s1_burstcount;
  input   [  3: 0] s1_byteenable;
  input            s1_chipselect;
  input            s1_debugaccess;
  input   [ 22: 0] s1_nativeaddress;
  input            s1_read;
  input            s1_write;
  input   [ 31: 0] s1_writedata;

  reg     [ 24: 0] m1_address;
  reg              m1_arbiterlock;
  reg              m1_arbiterlock2;
  reg              m1_burstcount;
  reg     [  3: 0] m1_byteenable;
  reg              m1_chipselect;
  reg              m1_debugaccess;
  reg     [ 22: 0] m1_nativeaddress;
  reg              m1_read;
  reg              m1_write;
  reg     [ 31: 0] m1_writedata;
  wire             s1_endofpacket;
  wire    [ 31: 0] s1_readdata;
  wire             s1_readdatavalid;
  wire             s1_waitrequest;
  //s1, which is an e_avalon_adapter_slave
  //m1, which is an e_avalon_adapter_master
  always @(posedge m1_clk or negedge m1_reset_n)
    begin
      if (m1_reset_n == 0)
          m1_chipselect <= 0;
      else if (~m1_waitrequest)
          m1_chipselect <= s1_chipselect;
    end


  assign s1_endofpacket = m1_endofpacket;
  assign s1_readdata = m1_readdata;
  assign s1_readdatavalid = m1_readdatavalid;
  assign s1_waitrequest = m1_waitrequest;
  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_address <= s1_address;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_arbiterlock <= s1_arbiterlock;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_arbiterlock2 <= s1_arbiterlock2;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_burstcount <= s1_burstcount;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_byteenable <= s1_byteenable;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_debugaccess <= s1_debugaccess;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_nativeaddress <= s1_nativeaddress;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_read <= s1_read;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_write <= s1_write;
    end


  always @(posedge m1_clk)
    begin
      if (~m1_waitrequest)
          m1_writedata <= s1_writedata;
    end



endmodule



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

module pipeline_bridge_before_atb_upstream_adapter (
                                                     // inputs:
                                                      m1_clk,
                                                      m1_endofpacket,
                                                      m1_readdata,
                                                      m1_readdatavalid,
                                                      m1_waitrequest,
                                                      s1_address,
                                                      s1_arbiterlock,
                                                      s1_arbiterlock2,
                                                      s1_burstcount,
                                                      s1_byteenable,
                                                      s1_chipselect,
                                                      s1_clk,
                                                      s1_debugaccess,
                                                      s1_flush,
                                                      s1_nativeaddress,
                                                      s1_read,
                                                      s1_reset_n,
                                                      s1_write,
                                                      s1_writedata,

                                                     // outputs:
                                                      m1_address,
                                                      m1_arbiterlock,
                                                      m1_arbiterlock2,
                                                      m1_burstcount,
                                                      m1_byteenable,
                                                      m1_chipselect,
                                                      m1_debugaccess,
                                                      m1_nativeaddress,
                                                      m1_read,
                                                      m1_write,
                                                      m1_writedata,
                                                      s1_endofpacket,
                                                      s1_readdata,
                                                      s1_readdatavalid,
                                                      s1_waitrequest
                                                   )
;

  output  [ 24: 0] m1_address;
  output           m1_arbiterlock;
  output           m1_arbiterlock2;
  output           m1_burstcount;
  output  [  3: 0] m1_byteenable;
  output           m1_chipselect;
  output           m1_debugaccess;
  output  [ 22: 0] m1_nativeaddress;
  output           m1_read;
  output           m1_write;
  output  [ 31: 0] m1_writedata;
  output           s1_endofpacket;
  output  [ 31: 0] s1_readdata;
  output           s1_readdatavalid;
  output           s1_waitrequest;
  input            m1_clk;
  input            m1_endofpacket;
  input   [ 31: 0] m1_readdata;
  input            m1_readdatavalid;
  input            m1_waitrequest;
  input   [ 24: 0] s1_address;
  input            s1_arbiterlock;
  input            s1_arbiterlock2;
  input            s1_burstcount;
  input   [  3: 0] s1_byteenable;
  input            s1_chipselect;
  input            s1_clk;
  input            s1_debugaccess;
  input            s1_flush;
  input   [ 22: 0] s1_nativeaddress;
  input            s1_read;
  input            s1_reset_n;
  input            s1_write;
  input   [ 31: 0] s1_writedata;

  wire    [ 24: 0] m1_address;
  wire             m1_arbiterlock;
  wire             m1_arbiterlock2;
  wire             m1_burstcount;
  wire    [  3: 0] m1_byteenable;
  wire             m1_chipselect;
  wire             m1_debugaccess;
  wire    [ 22: 0] m1_nativeaddress;
  wire             m1_read;
  wire             m1_write;
  wire    [ 31: 0] m1_writedata;
  reg              s1_endofpacket;
  reg     [ 31: 0] s1_readdata;
  reg              s1_readdatavalid;
  wire             s1_waitrequest;
  //s1, which is an e_avalon_adapter_slave
  //m1, which is an e_avalon_adapter_master
  always @(posedge s1_clk or negedge s1_reset_n)
    begin
      if (s1_reset_n == 0)
          s1_readdatavalid <= 0;
      else if (1)
          if (s1_flush)
              s1_readdatavalid <= 0;
          else 
            s1_readdatavalid <= m1_readdatavalid;
    end


  assign s1_waitrequest = m1_waitrequest;
  always @(posedge s1_clk or negedge s1_reset_n)
    begin
      if (s1_reset_n == 0)
          s1_endofpacket <= 0;
      else if (1)
          s1_endofpacket <= m1_endofpacket;
    end