diff options
Diffstat (limited to 'tests/asicworld/code_hdl_models_arbiter_tb.v')
| -rw-r--r-- | tests/asicworld/code_hdl_models_arbiter_tb.v | 62 | 
1 files changed, 62 insertions, 0 deletions
diff --git a/tests/asicworld/code_hdl_models_arbiter_tb.v b/tests/asicworld/code_hdl_models_arbiter_tb.v new file mode 100644 index 000000000..5e7bf46b9 --- /dev/null +++ b/tests/asicworld/code_hdl_models_arbiter_tb.v @@ -0,0 +1,62 @@ +module testbench (); + +reg             clk;     +reg             rst;     +reg             req3;    +reg             req2;    +reg             req1;    +reg             req0;    +wire            gnt3;    +wire            gnt2;    +wire            gnt1;    +wire            gnt0;   + +// Clock generator +always #1 clk = ~clk; + +initial begin +  $dumpfile ("arbiter.vcd"); +  $dumpvars(); +  clk = 0; +  rst = 1; +  req0 = 0; +  req1 = 0; +  req2 = 0; +  req3 = 0; +  #10 rst = 0; +  repeat (1) @ (posedge clk); +  req0 <= 1; +  repeat (1) @ (posedge clk); +  req0 <= 0; +  repeat (1) @ (posedge clk); +  req0 <= 1; +  req1 <= 1; +  repeat (1) @ (posedge clk); +  req2 <= 1; +  req1 <= 0; +  repeat (1) @ (posedge clk); +  req3 <= 1; +  req2 <= 0; +  repeat (1) @ (posedge clk); +  req3 <= 0; +  repeat (1) @ (posedge clk); +  req0 <= 0; +  repeat (1) @ (posedge clk); +  #10 $finish; +end  + +// Connect the DUT +arbiter U ( + clk,     + rst,     + req3,    + req2,    + req1,    + req0,    + gnt3,    + gnt2,    + gnt1,    + gnt0    +); + +endmodule  | 
