sequential_calculator.tlv

sequential calculator

https://makerchip.com/sandbox/0o2fXhzKX/0j2hwy

\m5_TLV_version 1d: tl-x.org
\m5
   
   // =================================================
   // Welcome!  New to Makerchip? Try the "Learn" menu.
   // =================================================
   
   //use(m5-1.0)   /// uncomment to use M5 macro library.
\SV
   // Macro providing required top-level module definition, random
   // stimulus support, and Verilator config.
   m5_makerchip_module   // (Expanded in Nav-TLV pane.)
\TLV
   |calc
      @0
         $reset = *reset;
         
         
         $val1[31:0] = >>1$out[31:0];
         $val2[31:0] = $rand2[3:0];
         $op[1:0] = $rand3[1:0];
   
         $sum[31:0] = $val1[31:0] + $val2[31:0];
         $diff[31:0] = $val1[31:0] - $val2[31:0];
         $prod[31:0] = $val1[31:0] * $val2[31:0];
         $quot[31:0] = $val1[31:0] / $val2[31:0];
   
         $out[31:0] = $reset ? 32'b0 : (($op[1:0]==2'b00) ? $sum :
                                       ($op[1:0]==2'b01) ? $diff :
                                          ($op[1:0]==2'b10) ? $prod : $quot);
                      
   // Assert these to end simulation (before Makerchip cycle limit).
   *passed = *cyc_cnt > 10;
   *failed = 1'b0;
\SV
   endmodule