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URL https://opencores.org/ocsvn/an-fpga-implementation-of-low-latency-noc-based-mpsoc/an-fpga-implementation-of-low-latency-noc-based-mpsoc/trunk

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[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [rtl/] [src_modelsim/] [traffic_pattern.sv] - Diff between revs 54 and 56

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Rev 54 Rev 56
Line 4... Line 4... 
* Author: alireza
 
* Author: alireza
 
*
 
*
 
* Description:
 
* Description:
 
***************************************/
 
***************************************/
 
 
 
 
 
`timescale  1ns/1ps
 
`include "pronoc_def.v"
 
 
 
 
 
 
 
 
 
 
 
 
 
/************************************
 
/************************************
 
 
 
 
Line 50... Line 50... 
 
 
 
 
 
 
 
 
 
 
 
 
 // generate a random num between 0 to 99
 
 // generate a random num between 0 to 99
 
    always @(posedge clk ) begin
 
    always @(posedge clk ) begin
 
        if(en | reset) begin
 
        if(en | `pronoc_reset) begin
 
                rnd =     $urandom_range(99,0);
 
                rnd =     $urandom_range(99,0);
 
        end
 
        end
 
    end
 
    end
 
 
 
 
 
    always @(*) begin
 
    always @(*) begin
Line 72... Line 72... 
 
 
 
 
        pck_dst_gen
 
        pck_dst_gen
 
 
 
 
 
*********************************/
 
*********************************/
 
module  pck_dst_gen
 
module  pck_dst_gen
 
        import pronoc_pkg::*;
 
 
 
        #(
 
        #(
 
    parameter NE=4,
 
    parameter NOC_ID=0,
 
    parameter TRAFFIC =   "RANDOM",
 
    parameter TRAFFIC =   "RANDOM",
 
    parameter MAX_PCK_NUM = 10000,
 
 
 
    parameter HOTSPOT_NODE_NUM =  4,
 
    parameter HOTSPOT_NODE_NUM =  4,
 
    parameter MCAST_TRAFFIC_RATIO =50,
 
    parameter MCAST_TRAFFIC_RATIO =50,
 
    parameter MCAST_PCK_SIZ_MIN = 2,
 
    parameter MCAST_PCK_SIZ_MIN = 2,
 
    parameter MCAST_PCK_SIZ_MAX = 4,
 
    parameter MCAST_PCK_SIZ_MAX = 4,
 
    parameter PCK_SIZw=5,
 
 
 
    parameter MIN_PACKET_SIZE=5,
 
    parameter MIN_PACKET_SIZE=5,
 
    parameter MAX_PACKET_SIZE=5,
 
    parameter MAX_PACKET_SIZE=5,
 
    parameter PCK_SIZ_SEL="random-discrete",
 
    parameter PCK_SIZ_SEL="random-discrete",
 
    parameter DISCRETE_PCK_SIZ_NUM=1
 
    parameter DISCRETE_PCK_SIZ_NUM=1
 
 
 
 
Line 105... Line 102... 
    rnd_discrete
 
    rnd_discrete
 
 
 
 
 
 
 
 
 
);
 
);
 
 
 
 
 
 
 
    `NOC_CONF
 
 
 
 
 
    localparam      ADDR_DIMENSION =   (TOPOLOGY ==    "MESH" || TOPOLOGY ==  "TORUS") ? 2 : 1;  // "RING" and FULLY_CONNECT
 
    localparam      ADDR_DIMENSION =   (TOPOLOGY ==    "MESH" || TOPOLOGY ==  "TORUS") ? 2 : 1;  // "RING" and FULLY_CONNECT
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    localparam  NEw= log2(NE),
 
    localparam  PCK_CNTw = log2(MAX_PCK_NUM+1),
 
                PCK_CNTw = log2(MAX_PCK_NUM+1),
 
 
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
 
 
 
 
    input                       reset,clk,en;
 
    input                       reset,clk,en;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
Line 135... Line 132... 
 
 
 
 
        wire [EAw-1      :   0] unicast_dest_e_addr;
 
        wire [EAw-1      :   0] unicast_dest_e_addr;
 
        wire [PCK_SIZw-1 : 0] pck_size_uni;
 
        wire [PCK_SIZw-1 : 0] pck_size_uni;
 
 
 
 
 
        pck_dst_gen_unicast #(
 
        pck_dst_gen_unicast #(
 
                .NE(NE),
 
                .NOC_ID(NOC_ID),
 
                .TRAFFIC(TRAFFIC),
 
                .TRAFFIC(TRAFFIC),
 
                .MAX_PCK_NUM(MAX_PCK_NUM),
 
 
 
                .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
                .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
        )
 
        )
 
        unicast
 
        unicast
 
        (
 
        (
 
                .en               (en              ),
 
                .en               (en              ),
Line 156... Line 152... 
                .custom_traffic_t (custom_traffic_t),
 
                .custom_traffic_t (custom_traffic_t),
 
                .custom_traffic_en(custom_traffic_en)
 
                .custom_traffic_en(custom_traffic_en)
 
        );
 
        );
 
 
 
 
 
        pck_size_gen #(
 
        pck_size_gen #(
 
                .PCK_SIZw(PCK_SIZw),
 
                .NOC_ID(NOC_ID),
 
                .MIN(MIN_PACKET_SIZE),
 
                .MIN(MIN_PACKET_SIZE),
 
                .MAX(MAX_PACKET_SIZE),
 
                .MAX(MAX_PACKET_SIZE),
 
                .PCK_SIZ_SEL(PCK_SIZ_SEL),
 
                .PCK_SIZ_SEL(PCK_SIZ_SEL),
 
                .DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
 
                .DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
 
        )
 
        )
Line 172... Line 168... 
                .pck_size(pck_size_uni) ,
 
                .pck_size(pck_size_uni) ,
 
                .rnd_discrete(rnd_discrete)
 
                .rnd_discrete(rnd_discrete)
 
        );
 
        );
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
        generate
 
        generate
 
        if(CAST_TYPE == "UNICAST") begin :uni
 
        if(CAST_TYPE == "UNICAST") begin :uni
 
                assign dest_e_addr =    unicast_dest_e_addr;
 
                assign dest_e_addr =    unicast_dest_e_addr;
 
                assign pck_size_o  =   pck_size_uni;
 
                assign pck_size_o  =   pck_size_uni;
 
        end else begin :multi
 
        end else begin :multi
Line 195... Line 187... 
                                .T2(T2),
 
                                .T2(T2),
 
                                .T3(T3),
 
                                .T3(T3),
 
                                .NE(NE),
 
                                .NE(NE),
 
                                .EAw(EAw),
 
                                .EAw(EAw),
 
                                .TOPOLOGY(TOPOLOGY)
 
                                .TOPOLOGY(TOPOLOGY)
 
                        )enc
 
                ) enc (
 
                        (
 
 
 
                                .code(unicast_dest_e_addr),
 
                                .code(unicast_dest_e_addr),
 
                                .id(unicast_id_num)
 
                                .id(unicast_id_num)
 
                        );
 
                        );
 
 
 
 
 
 
 
 
 
                pck_size_gen #(
 
                pck_size_gen #(
 
 
 
                        .NOC_ID(NOC_ID),
 
                        .PCK_SIZw(PCK_SIZw),
 
                        .PCK_SIZw(PCK_SIZw),
 
                        .MIN(MCAST_PCK_SIZ_MIN),
 
                        .MIN(MCAST_PCK_SIZ_MIN),
 
                        .MAX(MCAST_PCK_SIZ_MAX),
 
                        .MAX(MCAST_PCK_SIZ_MAX),
 
                        .PCK_SIZ_SEL("random-range"),
 
                        .PCK_SIZ_SEL("random-range"),
 
                        .DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
 
                        .DISCRETE_PCK_SIZ_NUM(DISCRETE_PCK_SIZ_NUM)
 
                )
 
                ) mcast_pck_size (
 
                mcast_pck_size
 
 
 
                (
 
 
 
                        .reset(reset),
 
                        .reset(reset),
 
                        .clk(clk),
 
                        .clk(clk),
 
                        .en(en),
 
                        .en(en),
 
                        .pck_size(pck_size_mcast) ,
 
                        .pck_size(pck_size_mcast) ,
 
                        .rnd_discrete(rnd_discrete)
 
                        .rnd_discrete(rnd_discrete)
 
                );
 
                );
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                always @(posedge clk ) begin
 
                always @(posedge clk ) begin
 
                        if(en | reset) begin
 
                        if(en | reset) begin
 
                                rnd_reg <=     $urandom_range(99,0);
 
                                rnd_reg <=     $urandom_range(99,0);
 
                        end
 
                        end
 
                end
 
                end
Line 296... Line 283... 
        end endgenerate
 
        end endgenerate
 
 
 
 
 
endmodule
 
endmodule
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module  pck_dst_gen_unicast
 
module  pck_dst_gen_unicast
 
        import pronoc_pkg::*;
 
 
 
        #(
 
        #(
 
    parameter NE=4,
 
    parameter NOC_ID=0,
 
    parameter TRAFFIC =   "RANDOM",
 
    parameter TRAFFIC =   "RANDOM",
 
    parameter MAX_PCK_NUM = 10000,
 
 
 
    parameter HOTSPOT_NODE_NUM =  4
 
    parameter HOTSPOT_NODE_NUM =  4
 
)(
 
)(
 
    en,
 
    en,
 
    current_e_addr,
 
    current_e_addr,
 
    core_num,
 
    core_num,
Line 330... Line 302... 
    hotspot_info,
 
    hotspot_info,
 
        custom_traffic_t,
 
        custom_traffic_t,
 
        custom_traffic_en
 
        custom_traffic_en
 
);
 
);
 
 
 
 
 
 
 
    `NOC_CONF
 
    localparam      ADDR_DIMENSION =   (TOPOLOGY ==    "MESH" || TOPOLOGY ==  "TORUS") ? 2 : 1;  // "RING" and FULLY_CONNECT
 
    localparam      ADDR_DIMENSION =   (TOPOLOGY ==    "MESH" || TOPOLOGY ==  "TORUS") ? 2 : 1;  // "RING" and FULLY_CONNECT
 
 
 
 
 
 
 
 
 
    function integer log2;
 
    localparam  PCK_CNTw = log2(MAX_PCK_NUM+1),
 
      input integer number; begin
 
 
 
         log2=(number <=1) ? 1: 0;
 
 
 
         while(2**log2
 
 
 
            log2=log2+1;
 
 
 
         end
 
 
 
      end
 
 
 
    endfunction // log2
 
 
 
 
 
 
 
 
 
 
 
    localparam  NEw= log2(NE),
 
 
 
                PCK_CNTw = log2(MAX_PCK_NUM+1),
 
 
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
 
 
 
 
    input                       reset,clk,en;
 
    input                       reset,clk,en;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
Line 364... Line 325... 
 
 
 
 
     generate
 
     generate
 
     if ( ADDR_DIMENSION == 2) begin :two_dim
 
     if ( ADDR_DIMENSION == 2) begin :two_dim
 
 
 
 
 
        two_dimension_pck_dst_gen #(
 
        two_dimension_pck_dst_gen #(
 
                .NE(NE),
 
                        .NOC_ID(NOC_ID),
 
                .TRAFFIC(TRAFFIC),
 
                .TRAFFIC(TRAFFIC),
 
                .MAX_PCK_NUM(MAX_PCK_NUM),
 
 
 
                .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
                .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
 
 
 
 
        )
 
        )
 
        the_two_dimension_pck_dst_gen
 
        the_two_dimension_pck_dst_gen
 
        (
 
        (
Line 388... Line 348... 
        );
 
        );
 
 
 
 
 
     end else begin : one_dim
 
     end else begin : one_dim
 
 
 
 
 
        one_dimension_pck_dst_gen #(
 
        one_dimension_pck_dst_gen #(
 
                        .NE(NE),
 
                .NOC_ID(NOC_ID),
 
                        .TRAFFIC(TRAFFIC),
 
                        .TRAFFIC(TRAFFIC),
 
                        .MAX_PCK_NUM(MAX_PCK_NUM),
 
 
 
                        .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
                        .HOTSPOT_NODE_NUM(HOTSPOT_NODE_NUM)
 
        )
 
        )
 
        the_one_dimension_pck_dst_gen
 
        the_one_dimension_pck_dst_gen
 
        (
 
        (
 
            .reset(reset),
 
            .reset(reset),
Line 416... Line 375... 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module two_dimension_pck_dst_gen
 
module two_dimension_pck_dst_gen
 
                import pronoc_pkg::*;
 
 
 
        #(
 
        #(
 
                parameter NE=4,
 
    parameter NOC_ID=0,
 
                parameter TRAFFIC =   "RANDOM",
 
                parameter TRAFFIC =   "RANDOM",
 
                parameter MAX_PCK_NUM = 10000,
 
 
 
                parameter HOTSPOT_NODE_NUM =  4
 
                parameter HOTSPOT_NODE_NUM =  4
 
 
 
 
 
)(
 
)(
 
    en,
 
    en,
 
    current_e_addr,
 
    current_e_addr,
Line 437... Line 394... 
    hotspot_info,
 
    hotspot_info,
 
        custom_traffic_t,
 
        custom_traffic_t,
 
        custom_traffic_en
 
        custom_traffic_en
 
);
 
);
 
 
 
 
 
 
 
    `NOC_CONF
 
 
 
 
 
    function integer log2;
 
 
 
      input integer number; begin
 
 
 
         log2=(number <=1) ? 1: 0;
 
 
 
         while(2**log2
 
 
 
            log2=log2+1;
 
 
 
         end
 
 
 
      end
 
 
 
    endfunction // log2
 
 
 
 
 
 
 
 
 
 
 
    localparam NEw= log2(NE),
 
 
 
                PCK_CNTw = log2(MAX_PCK_NUM+1),
 
    localparam  PCK_CNTw = log2(MAX_PCK_NUM+1),
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
                HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
 
 
 
 
    input                       reset,clk,en;
 
    input                       reset,clk,en;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [NEw-1      :   0]  core_num;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
 
    input   [PCK_CNTw-1 :   0]  pck_number;
Line 462... Line 412... 
    output                      valid_dst;
 
    output                      valid_dst;
 
    input hotspot_t  hotspot_info [HOTSPOT_NUM-1 : 0];
 
    input hotspot_t  hotspot_info [HOTSPOT_NUM-1 : 0];
 
        input  [NEw-1 : 0] custom_traffic_t;
 
        input  [NEw-1 : 0] custom_traffic_t;
 
        input  custom_traffic_en;
 
        input  custom_traffic_en;
 
 
 
 
 
    localparam
 
 
 
        NX = T1,
 
 
 
        NY = T2,
 
 
 
        NL = T3,
 
 
 
        NXw = log2(NX),
 
 
 
        NYw= log2(NY),
 
 
 
        NLw= log2(NL);
 
 
 
 
 
 
 
    wire [NXw-1 : 0] current_x;
 
    wire [NXw-1 : 0] current_x;
 
    wire [NYw-1 : 0] current_y;
 
    wire [NYw-1 : 0] current_y;
 
    wire [NLw-1  : 0] current_l;
 
    wire [NLw-1  : 0] current_l;
 
    wire [NXw-1 : 0] dest_x;
 
    wire [NXw-1 : 0] dest_x;
Line 508... Line 452... 
    if (TRAFFIC == "RANDOM") begin
 
    if (TRAFFIC == "RANDOM") begin
 
 
 
 
 
        logic [6 : 0] rnd_reg;
 
        logic [6 : 0] rnd_reg;
 
 
 
 
 
        always @(posedge clk ) begin
 
        always @(posedge clk ) begin
 
                if(en | reset) begin
 
                if(en | `pronoc_reset) begin
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
 
 
 
 
                end
 
                end
 
        end
 
        end
Line 533... Line 477... 
       );
 
       );
 
 
 
 
 
     end else if (TRAFFIC == "HOTSPOT") begin
 
     end else if (TRAFFIC == "HOTSPOT") begin
 
 
 
 
 
        hot_spot_dest_gen  #(
 
        hot_spot_dest_gen  #(
 
 
 
                        .NOC_ID(NOC_ID),
 
                        .HOTSPOT_NUM(HOTSPOT_NUM),
 
                        .HOTSPOT_NUM(HOTSPOT_NUM),
 
                        .NE(NE),
 
                        .NE(NE),
 
                        .NEw(NEw)
 
                        .NEw(NEw)
 
                )hspot
 
        ) hspot (
 
                (
 
 
 
                        .reset(reset),
 
                        .reset(reset),
 
                        .clk(clk),
 
                        .clk(clk),
 
                        .en(en),
 
                        .en(en),
 
                        .hotspot_info(hotspot_info),
 
                        .hotspot_info(hotspot_info),
 
                        .dest_ip_num (dest_ip_num),
 
                        .dest_ip_num (dest_ip_num),
Line 554... Line 498... 
            .T2(T2),
 
            .T2(T2),
 
            .T3(T3),
 
            .T3(T3),
 
            .NE(NE),
 
            .NE(NE),
 
            .EAw(EAw),
 
            .EAw(EAw),
 
            .TOPOLOGY(TOPOLOGY)
 
            .TOPOLOGY(TOPOLOGY)
 
        )
 
        ) addr_encoder (
 
        addr_encoder
 
 
 
        (
 
 
 
            .id(dest_ip_num),
 
            .id(dest_ip_num),
 
            .code(dest_e_addr)
 
            .code(dest_e_addr)
 
        );
 
        );
 
 
 
 
 
 
 
 
 
 
 
 
 
    end else if( TRAFFIC == "TRANSPOSE1") begin
 
    end else if( TRAFFIC == "TRANSPOSE1") begin
 
 
 
 
 
        assign dest_x   = NX-current_y-1;
 
        assign dest_x   = NX-current_y-1;
 
        assign dest_y   = NY-current_x-1;
 
        assign dest_y   = NY-current_x-1;
 
        assign dest_l   = NL-current_l-1;
 
        assign dest_l   = NL-current_l-1;
Line 700... Line 641... 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
        end else if( TRAFFIC == "SHUFFLE") begin: shuffle
 
        end else if( TRAFFIC == "SHUFFLE") begin: shuffle
 
                //di = si−1 mod b
 
                //di = si−1 mod b
 
                for(i=1; i<(EAw); i=i+1'b1) begin :lp//reverse the address
 
                for(i=1; i<(EAw); i=i+1'b1) begin :lp//reverse the address
 
            assign dest_ip_num[i]  = current_e_addr [i-1];
 
            assign dest_ip_num[i]  = current_e_addr [i-1];
 
        end
 
        end
 
                assign dest_ip_num[0]  = current_e_addr [EAw-1];
 
                assign dest_ip_num[0]  = current_e_addr [EAw-1];
 
                 endp_addr_encoder #(
 
                 endp_addr_encoder #(
Line 788... Line 729... 
 
 
 
 
************/
 
************/
 
 
 
 
 
 
 
 
 
module one_dimension_pck_dst_gen
 
module one_dimension_pck_dst_gen
 
import pronoc_pkg::*;
 
 
 
#(
 
#(
 
                parameter NE=4,
 
        parameter NOC_ID=0,
 
                parameter TRAFFIC =   "RANDOM",
 
                parameter TRAFFIC =   "RANDOM",
 
                parameter MAX_PCK_NUM = 10000,
 
 
 
                parameter HOTSPOT_NODE_NUM =  4
 
                parameter HOTSPOT_NODE_NUM =  4
 
 
 
 
 
)(
 
)(
 
    en,
 
    en,
 
    core_num,
 
    core_num,
Line 809... Line 748... 
    hotspot_info,
 
    hotspot_info,
 
        custom_traffic_t,
 
        custom_traffic_t,
 
        custom_traffic_en
 
        custom_traffic_en
 
);
 
);
 
 
 
 
 
    function integer log2;
 
    `NOC_CONF
 
      input integer number; begin
 
 
 
         log2=(number <=1) ? 1: 0;
 
 
 
         while(2**log2
 
 
 
            log2=log2+1;
 
 
 
         end
 
 
 
      end
 
 
 
    endfunction // log2
 
 
 
 
 
 
 
 
 
 
 
     localparam
 
     localparam
 
        NEw= log2(NE),
 
 
 
        PCK_CNTw = log2(MAX_PCK_NUM+1),
 
        PCK_CNTw = log2(MAX_PCK_NUM+1),
 
        HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
        HOTSPOT_NUM= (TRAFFIC=="HOTSPOT")? HOTSPOT_NODE_NUM : 1;
 
 
 
 
 
    input   reset,clk,en;
 
    input   reset,clk,en;
 
    input   [NEw-1 : 0] core_num;
 
    input   [NEw-1 : 0] core_num;
Line 842... Line 773... 
    generate
 
    generate
 
    if (TRAFFIC == "RANDOM") begin
 
    if (TRAFFIC == "RANDOM") begin
 
        logic [6 : 0] rnd_reg;
 
        logic [6 : 0] rnd_reg;
 
 
 
 
 
        always @(posedge clk ) begin
 
        always @(posedge clk ) begin
 
                if(en | reset) begin
 
                if(en | `pronoc_reset) begin
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
                end
 
                end
 
        end
 
        end
 
        assign dest_ip_num = rnd_reg;
 
        assign dest_ip_num = rnd_reg;
 
 
 
 
 
 
 
 
 
     end else if (TRAFFIC == "HOTSPOT") begin
 
     end else if (TRAFFIC == "HOTSPOT") begin
 
 
 
 
 
        hot_spot_dest_gen  #(
 
        hot_spot_dest_gen  #(
 
 
 
                .NOC_ID(NOC_ID),
 
                .HOTSPOT_NUM(HOTSPOT_NUM),
 
                .HOTSPOT_NUM(HOTSPOT_NUM),
 
                .NE(NE),
 
                .NE(NE),
 
                .NEw(NEw)
 
                .NEw(NEw)
 
                )hspot
 
                ) hspot (
 
                (
 
 
 
                .clk(clk),
 
                .clk(clk),
 
                .en(en),
 
                .en(en),
 
                .hotspot_info(hotspot_info),
 
                .hotspot_info(hotspot_info),
 
                .dest_ip_num (dest_ip_num),
 
                .dest_ip_num (dest_ip_num),
 
                .core_num(core_num),
 
                .core_num(core_num),
 
                .off_flag(off_flag)
 
                .off_flag(off_flag)
 
        );
 
        );
 
 
 
 
 
 
 
 
 
 
 
 
 
    end else if( TRAFFIC == "TRANSPOSE1") begin :tran1
 
    end else if( TRAFFIC == "TRANSPOSE1") begin :tran1
 
 
 
 
 
        assign dest_ip_num   = NE-core_num-1;
 
        assign dest_ip_num   = NE-core_num-1;
 
 
 
 
 
    end  else if( TRAFFIC == "BIT_REVERSE") begin :bitreverse
 
    end  else if( TRAFFIC == "BIT_REVERSE") begin :bitreverse
Line 891... Line 821... 
        end else if( TRAFFIC == "NEIGHBOR")  begin :neighbor
 
        end else if( TRAFFIC == "NEIGHBOR")  begin :neighbor
 
                //dx = sx + 1 mod k
 
                //dx = sx + 1 mod k
 
                 assign dest_ip_num = ((core_num + 1) >= NE) ? 0 : (core_num + 1);
 
                 assign dest_ip_num = ((core_num + 1) >= NE) ? 0 : (core_num + 1);
 
 
 
 
 
        end else if( TRAFFIC == "SHUFFLE") begin: shuffle
 
        end else if( TRAFFIC == "SHUFFLE") begin: shuffle
 
                //di = si−1 mod b
 
                //di = si−1 mod b
 
                for(i=1; i<(NEw); i=i+1'b1) begin :lp
 
                for(i=1; i<(NEw); i=i+1'b1) begin :lp
 
            assign dest_ip_num[i]  = core_num [i-1];
 
            assign dest_ip_num[i]  = core_num [i-1];
 
        end
 
        end
 
                assign dest_ip_num[0]  = core_num [NEw-1];
 
                assign dest_ip_num[0]  = core_num [NEw-1];
 
 
 
 
Line 940... Line 870... 
/***************************
 
/***************************
 
 *  pck_size_gen
 
 *  pck_size_gen
 
 * *************************/
 
 * *************************/
 
 
 
 
 
module pck_size_gen
 
module pck_size_gen
 
                import pronoc_pkg::*;
 
 
 
#(
 
#(
 
                parameter PCK_SIZw=4,
 
    parameter NOC_ID=0,
 
        parameter MIN = 2,
 
        parameter MIN = 2,
 
        parameter MAX = 5,
 
        parameter MAX = 5,
 
        parameter PCK_SIZ_SEL="random-discrete",
 
        parameter PCK_SIZ_SEL="random-discrete",
 
        parameter DISCRETE_PCK_SIZ_NUM=1
 
        parameter DISCRETE_PCK_SIZ_NUM=1
 
)
 
)
Line 956... Line 885... 
    en,
 
    en,
 
    pck_size,
 
    pck_size,
 
    rnd_discrete
 
    rnd_discrete
 
);
 
);
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        input rnd_discrete_t rnd_discrete [DISCRETE_PCK_SIZ_NUM-1: 0];
 
        input rnd_discrete_t rnd_discrete [DISCRETE_PCK_SIZ_NUM-1: 0];
 
 
 
 
 
 
 
 
 
    input reset, clk, en;
 
    input reset, clk, en;
 
    output [PCK_SIZw-1 : 0] pck_size;
 
    output [PCK_SIZw-1 : 0] pck_size;
Line 983... Line 914... 
                                end
 
                                end
 
                        end//always
 
                        end//always
 
 
 
 
 
 
 
 
 
                        always @(posedge clk) begin
 
                        always @(posedge clk) begin
 
                                if(reset)  begin
 
                                if(`pronoc_reset)  begin
 
                                        rnd2<= 0;
 
                                        rnd2<= 0;
 
                                        rnd <= rnd_discrete[0].value;
 
                                        rnd <= rnd_discrete[0].value;
 
                                end else  begin
 
                                end else  begin
 
                                        if(en) rnd2<= $urandom_range(99,0);
 
                                        if(en) rnd2<= $urandom_range(99,0);
 
                                        rnd <= rnd_next;
 
                                        rnd <= rnd_next;
Line 1001... Line 932... 
                if (MIN == MAX) begin :eq
 
                if (MIN == MAX) begin :eq
 
                assign pck_size = MIN;
 
                assign pck_size = MIN;
 
            end  else begin :noteq
 
            end  else begin :noteq
 
                reg [PCK_SIZw-1 : 0] rnd;
 
                reg [PCK_SIZw-1 : 0] rnd;
 
                always @(posedge clk) begin
 
                always @(posedge clk) begin
 
                    if(reset) rnd = MIN;
 
                    if(`pronoc_reset) rnd = MIN;
 
                    else if(en) rnd = $urandom_range(MAX,MIN);
 
                    else if(en) rnd = $urandom_range(MAX,MIN);
 
                end
 
                end
 
                assign pck_size = rnd;
 
                assign pck_size = rnd;
 
            end
 
            end
 
        end
 
        end
Line 1014... Line 945... 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
module hot_spot_dest_gen
 
module hot_spot_dest_gen
 
        import pronoc_pkg::*;
 
 
 
#(
 
#(
 
        parameter HOTSPOT_NUM=2,
 
   parameter NOC_ID=0,
 
        parameter NE=16,
 
   parameter HOTSPOT_NUM=2
 
        parameter NEw=4
 
) (
 
)
 
 
 
(
 
 
 
clk,
 
clk,
 
reset,
 
reset,
 
en,
 
en,
 
hotspot_info,
 
hotspot_info,
 
core_num,
 
core_num,
 
dest_ip_num,
 
dest_ip_num,
 
off_flag
 
off_flag
 
);
 
);
 
 
 
 
 
 
 
   `NOC_CONF
 
 
 
 
 
        input clk,en,reset;
 
        input clk,en,reset;
 
        input hotspot_t  hotspot_info [HOTSPOT_NUM-1 : 0];
 
        input hotspot_t  hotspot_info [HOTSPOT_NUM-1 : 0];
 
        input   [NEw-1 : 0] core_num;
 
        input   [NEw-1 : 0] core_num;
 
        output  [NEw-1 : 0] dest_ip_num;
 
        output  [NEw-1 : 0] dest_ip_num;
 
        output reg off_flag;
 
        output reg off_flag;
 
 
 
 
 
        logic [6 : 0] rnd_reg, hotspot_node;
 
        logic [6 : 0] rnd_reg, hotspot_node;
 
        reg [9 : 0] rnd1000;
 
        reg [9 : 0] rnd1000;
 
        always @(posedge clk ) begin
 
        always @(posedge clk ) begin
 
                if(en | reset) begin
 
                if(en | `pronoc_reset) begin
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        rnd_reg =     $urandom_range(NE-1,0);
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
                        if(SELF_LOOP_EN == "NO")        while(rnd_reg==core_num) rnd_reg =     $urandom_range(NE-1,0);// get a random IP core, make sure its not same as sender core
 
 
 
 
 
                        rnd1000 =     $urandom_range(999,0);// generate a random number between 0 & 1000
 
                        rnd1000 =     $urandom_range(999,0);// generate a random number between 0 & 1000
 
                end
 
                end

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