tests/svinterfaces/svinterface_at_top_ref.v

   1
   2 module TopModule(
   3     input logic clk,
   4     input logic rst,
   5     input logic [1:0] sig,
   6     input logic flip,
   7     output logic [15:0] passThrough,
   8     output logic [21:0] outOther,
   9     input logic interfaceInstanceAtTop_setting,
  10     output logic [2:0] interfaceInstanceAtTop_other_setting,
  11     output logic [1:0] interfaceInstanceAtTop_mysig_out,
  12     output logic [15:0] interfaceInstanceAtTop_passThrough,
  13     output logic [1:0] sig_out);
  14
  15
  16     logic MyInterfaceInstance_setting;
  17     logic [3:0] MyInterfaceInstance_other_setting;
  18     logic [1:0] MyInterfaceInstance_mysig_out;
  19
  20   SubModule1 u_SubModule1 (
  21     .clk(clk),
  22     .rst(rst),
  23     .u_MyInterface_setting(MyInterfaceInstance_setting),
  24     .u_MyInterface_mysig_out(MyInterfaceInstance_mysig_out),
  25     .u_MyInterface_other_setting(MyInterfaceInstance_other_setting),
  26     .u_MyInterfaceFromTop_setting(interfaceInstanceAtTop_setting),
  27     .u_MyInterfaceFromTop_other_setting(interfaceInstanceAtTop_other_setting),
  28     .u_MyInterfaceFromTop_mysig_out(interfaceInstanceAtTop_mysig_out),
  29     .u_MyInterfaceFromTop_passThrough(interfaceInstanceAtTop_passThrough),
  30     .outOther(outOther),
  31     .passThrough (passThrough),
  32     .sig (sig)
  33   );
  34
  35   assign sig_out = MyInterfaceInstance_mysig_out;
  36
  37
  38   assign MyInterfaceInstance_setting = flip;
  39
  40 endmodule
  41
  42
  43 module SubModule1(
  44     input logic clk,
  45     input logic rst,
  46     input logic u_MyInterface_setting,
  47     output logic [3:0] u_MyInterface_other_setting,
  48     output logic [1:0] u_MyInterface_mysig_out,
  49     output logic [21:0] outOther,
  50     input logic [1:0] sig,
  51     input logic u_MyInterfaceFromTop_setting,
  52     output logic [2:0]  u_MyInterfaceFromTop_other_setting,
  53     output logic [1:0]  u_MyInterfaceFromTop_mysig_out,
  54     output logic [14:0] u_MyInterfaceFromTop_passThrough,
  55     output logic [15:0] passThrough
  56   );
  57
  58   always @(posedge clk or posedge rst)
  59     if(rst)
  60       u_MyInterface_mysig_out <= 0;
  61     else begin
  62       if(u_MyInterface_setting)
  63         u_MyInterface_mysig_out <= sig;
  64       else
  65         u_MyInterface_mysig_out <= ~sig;
  66     end
  67
  68     logic MyInterfaceInstanceInSub_setting;
  69     logic [21:0] MyInterfaceInstanceInSub_other_setting;
  70     logic [1:0] MyInterfaceInstanceInSub_mysig_out;
  71
  72   assign u_MyInterfaceFromTop_mysig_out = u_MyInterfaceFromTop_setting ? 10 :  20;
  73
  74   SubModule2 u_SubModule2 (
  75     .clk(clk),
  76     .rst(rst),
  77     .u_MyInterfaceInSub2_setting(u_MyInterface_setting),
  78     .u_MyInterfaceInSub2_mysig_out(u_MyInterface_mysig_out),
  79     .u_MyInterfaceInSub2_other_setting(u_MyInterface_other_setting),
  80     .u_MyInterfaceInSub3_setting(MyInterfaceInstanceInSub_setting),
  81     .u_MyInterfaceInSub3_mysig_out(MyInterfaceInstanceInSub_mysig_out),
  82     .u_MyInterfaceInSub3_other_setting(MyInterfaceInstanceInSub_other_setting),
  83     .passThrough (passThrough)
  84   );
  85     assign outOther = MyInterfaceInstanceInSub_other_setting;
  86
  87     assign MyInterfaceInstanceInSub_setting = 0;
  88     assign MyInterfaceInstanceInSub_mysig_out = sig;
  89
  90 endmodule
  91
  92 module SubModule2(
  93
  94     input logic clk,
  95     input logic rst,
  96     input logic u_MyInterfaceInSub2_setting,
  97     output logic [3:0] u_MyInterfaceInSub2_other_setting,
  98     input  logic [1:0] u_MyInterfaceInSub2_mysig_out,
  99     input logic u_MyInterfaceInSub3_setting,
 100     output logic [21:0] u_MyInterfaceInSub3_other_setting,
 101     input  logic [1:0] u_MyInterfaceInSub3_mysig_out,
 102     output logic [15:0] passThrough
 103
 104   );
 105
 106     always @(u_MyInterfaceInSub3_mysig_out) begin
 107       if (u_MyInterfaceInSub3_mysig_out == 2'b00)
 108         u_MyInterfaceInSub3_other_setting[21:0] = 1000;
 109       else if (u_MyInterfaceInSub3_mysig_out == 2'b01)
 110         u_MyInterfaceInSub3_other_setting[21:0] = 2000;
 111       else if (u_MyInterfaceInSub3_mysig_out == 2'b10)
 112         u_MyInterfaceInSub3_other_setting[21:0] = 3000;
 113       else
 114         u_MyInterfaceInSub3_other_setting[21:0] = 4000;
 115     end
 116
 117     assign passThrough[7:0] = 124;
 118     assign passThrough[15:8] = 200;
 119
 120 endmodule