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RTL code refactoring

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This commit is contained in:
Blaise Tine
2020-04-21 01:03:37 -04:00
parent cfa8626bf7
commit ba4e736782
29 changed files with 332 additions and 563 deletions
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62
hw/unit_tests/generic_queue/testbench.v
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@@ -7,22 +7,26 @@ module testbench();
reg clk;
reg reset;
reg[3:0] in_data;
reg[3:0] data_in;
reg push;
reg pop;
wire[3:0] out_data;
wire[3:0] data_out;
wire full;
wire empty;
VX_generic_queue #(.DATAW(4), .SIZE(4)) dut (
.clk(clk),
.reset(reset),
.data_in(in_data),
.push(push),
.pop(pop),
.data_out(out_data),
.empty(empty),
.full(full));
VX_generic_queue #(
.DATAW(4),
.SIZE(4)
) dut (
.clk(clk),
.reset(reset),
.data_in(data_in),
.push(push),
.pop(pop),
.data_out(data_out),
.empty(empty),
.full(full)
);
always begin
#1 clk = !clk;
@@ -30,27 +34,27 @@ module testbench();
initial begin
$monitor ("%d: clk=%b rst=%b push=%b, pop=%b, din=%h, empty=%b, full=%b, dout=%h",
$time, clk, reset, push, pop, in_data, empty, full, out_data);
$time, clk, reset, push, pop, data_in, empty, full, data_out);
#0 clk=0; reset=1; pop=0; push=0;
#2 reset=0; in_data=4'ha; pop=0; push=1;
#2 `check(full, 0); `check(out_data, 4'ha); `check(empty, 0);
#0 in_data=4'hb;
#2 `check(full, 0); `check(out_data, 4'ha); `check(empty, 0);
#0 in_data=4'hc;
#2 `check(full, 0); `check(out_data, 4'ha); `check(empty, 0);
#0 in_data=4'hd;
#2 `check(full, 1); `check(out_data, 4'ha); `check(empty, 0);
#2 reset=0; data_in=4'ha; pop=0; push=1;
#2 `check(full, 0); `check(data_out, 4'ha); `check(empty, 0);
#0 data_in=4'hb;
#2 `check(full, 0); `check(data_out, 4'ha); `check(empty, 0);
#0 data_in=4'hc;
#2 `check(full, 0); `check(data_out, 4'ha); `check(empty, 0);
#0 data_in=4'hd;
#2 `check(full, 1); `check(data_out, 4'ha); `check(empty, 0);
#0 push=0; pop=1;
#2 `check(full, 0); `check(out_data, 4'hb); `check(empty, 0);
#2 `check(full, 0); `check(out_data, 4'hc); `check(empty, 0);
#2 `check(full, 0); `check(out_data, 4'hd); `check(empty, 0);
#2 `check(full, 0); `check(out_data, 4'ha); `check(empty, 1);
#0 in_data=4'he; push=1; pop=0;
#2 `check(full, 0); `check(out_data, 4'he); `check(empty, 0);
#0 in_data=4'hf; pop=1;
#2 `check(full, 0); `check(out_data, 4'hf); `check(empty, 0);
#2 `check(full, 0); `check(data_out, 4'hb); `check(empty, 0);
#2 `check(full, 0); `check(data_out, 4'hc); `check(empty, 0);
#2 `check(full, 0); `check(data_out, 4'hd); `check(empty, 0);
#2 `check(full, 0); `check(data_out, 4'ha); `check(empty, 1);
#0 data_in=4'he; push=1; pop=0;
#2 `check(full, 0); `check(data_out, 4'he); `check(empty, 0);
#0 data_in=4'hf; pop=1;
#2 `check(full, 0); `check(data_out, 4'hf); `check(empty, 0);
#0 push=0;
#2 `check(full, 0); `check(out_data, 4'hc); `check(empty, 1);
#2 `check(full, 0); `check(data_out, 4'hc); `check(empty, 1);
#1 $finish;
end