move tests

Author: rachitnigam

apps/guass-pyramid/ready-val/justfile

@@ -0,0 +1,57 @@
+# Justfile for Conv2D testbench
+
+# Common Verilator flags
+VFLAGS := "--binary --timing"
+VFLAGS_TRACE := "--binary --timing --trace"
+VFLAGS_LINT := "-Wall --lint-only"
+SOURCES := "conv2d_tb.sv valid-hold.sv"
+
+# Default target
+default: build
+
+# Build the testbench with Verilator
+build:
+    verilator {{VFLAGS}} -o sim {{SOURCES}}
+
+# Build with VCD tracing support
+build-trace:
+    verilator {{VFLAGS_TRACE}} -o sim {{SOURCES}}
+
+# Lint the files
+lint:
+    verilator {{VFLAGS_LINT}} {{SOURCES}}
+
+# Run the simulation
+run: build
+    ./obj_dir/sim
+
+# Run with VCD tracing
+run-trace: build-trace
+    ./obj_dir/sim
+
+# Clean build artifacts
+clean:
+    rm -rf obj_dir *.vcd tests/*_n*.sv tests/*_d*_n*.sv
+
+# Test with different N values (with VCD tracing)
+# Test a specific N value with custom name
+test-n N:
+    sed 's/parameter N = 4;/parameter N = {{N}};/' tests/conv2d_tb.sv > tests/conv2d_tb_n{{N}}.sv
+    verilator {{VFLAGS_TRACE}} -o sim_n{{N}} tests/conv2d_tb_n{{N}}.sv valid-hold.sv
+    ./obj_dir/sim_n{{N}}
+    @[ -f conv2d_tb.vcd ] && mv conv2d_tb.vcd conv2d_tb_n{{N}}.vcd || true
+    rm tests/conv2d_tb_n{{N}}.sv
+
+# Test Blur module with specific D and N values
+test-blur D N:
+    @echo "Testing Blur with D={{D}}, N={{N}}"
+    @if [ {{D}} -lt 4 ]; then echo "Error: D must be >= 4"; exit 1; fi
+    sed 's/parameter D = 8;/parameter D = {{D}};/' tests/blur_tb.sv > tests/blur_tb_d{{D}}_n{{N}}.sv
+    sed -i '' 's/parameter N = 4;/parameter N = {{N}};/' tests/blur_tb_d{{D}}_n{{N}}.sv
+    verilator {{VFLAGS_TRACE}} -o sim_blur_d{{D}}_n{{N}} tests/blur_tb_d{{D}}_n{{N}}.sv valid-hold.sv
+    ./obj_dir/sim_blur_d{{D}}_n{{N}}
+    @[ -f blur_tb.vcd ] && mv blur_tb.vcd blur_tb_d{{D}}_n{{N}}.vcd || true
+    rm tests/blur_tb_d{{D}}_n{{N}}.sv
+
+# Quick blur test with default parameters
+test-blur-default: (test-blur "8" "4")

apps/guass-pyramid/ready-val/blur_tb.sv …guass-pyramid/ready-val/tests/blur_tb.svapps/guass-pyramid/ready-val/blur_tb.sv renamed to apps/guass-pyramid/ready-val/tests/blur_tb.sv apps/guass-pyramid/ready-val/blur_tb.sv renamed to apps/guass-pyramid/ready-val/tests/blur_tb.sv

@@ -0,0 +1,148 @@
+`timescale 1ns/1ps
+
+module Conv2D_tb;
+
+// Clock and reset
+logic clk;
+logic reset;
+
+// Test parameters
+parameter N = 16;  // Can be 1, 2, 4, 8, or 16
+
+// DUT signals
+logic valid_i;
+logic ready_i;
+logic[15:0][7:0] data_in;
+logic valid_o;
+logic ready_o;
+logic[15:0][7:0] data_out;
+int cycles, start_v, end_v;
+
+// Verification variables
+logic pass;
+logic[7:0] expected;
+
+// Instantiate DUT
+Conv2D #(.N(N)) dut (
+  .clk(clk),
+  .reset(reset),
+  .valid_i(valid_i),
+  .ready_i(ready_i),
+  .i(data_in),
+  .valid_o(valid_o),
+  .ready_o(ready_o),
+  .o(data_out)
+);
+
+// Clock generation
+initial begin
+  clk = 0;
+  forever #5 clk = ~clk;  // 100MHz clock
+end
+
+// Dump waveforms
+initial begin
+  $dumpfile("conv2d_tb.vcd");
+  $dumpvars(0, Conv2D_tb);
+end
+
+always_ff @(posedge clk) begin
+  if (reset) cycles <= '0;
+  else cycles <= cycles + 1;
+
+  if (cycles > 50) begin
+    $display("timeout at 100 cycles!");
+    $finish;
+  end
+
+  if (valid_i) start_v <= cycles;
+  if (valid_o) end_v <= cycles;
+end
+
+// Test stimulus
+initial begin
+  // Initialize signals
+  reset = 1;
+  valid_i = 0;
+  ready_o = 0;
+  data_in = '0;
+
+  // Hold reset for 5 cycles
+  repeat(5) @(posedge clk);
+  reset = 0;
+  @(posedge clk);
+
+  // Prepare input data [0..15]
+  for (int i = 0; i < 16; i++) begin
+    data_in[i] = i[7:0];
+  end
+
+  $display("Starting test with N=%0d", N);
+  $display("Input data: ");
+  for (int i = 0; i < 16; i++) begin
+    $write("%3d ", data_in[i]);
+    if ((i+1) % 4 == 0) $write("\n");
+  end
+
+  // Wait for module to be ready
+  @(posedge clk);
+  while (!ready_i) begin
+    @(posedge clk);
+  end
+
+  // Send input data
+  $display("\nSending data to Conv2D module...");
+  valid_i = 1;
+  @(posedge clk);
+
+  // Check if transaction occurred
+  if (ready_i && valid_i) begin
+    $display("Transaction accepted by module");
+  end
+
+  valid_i = 0;  // Clear valid after one cycle
+
+  // Wait for output to be valid
+  $display("Waiting for output...");
+  while (!valid_o) begin
+    @(posedge clk);
+  end
+
+  // Assert ready to accept output
+  ready_o = 1;
+  @(posedge clk);
+
+  // Print output
+  $display("\nOutput data received:");
+  for (int i = 0; i < 16; i++) begin
+    $write("%3d ", data_out[i]);
+    if ((i+1) % 4 == 0) $write("\n");
+  end
+
+  // Verify output (should be input + 2)
+  $display("\nVerifying output (each element should be input + 2):");
+  pass = 1;
+  for (int i = 0; i < 16; i++) begin
+    expected = i[7:0] + 2;
+    if (data_out[i] !== expected) begin
+      $display("ERROR: data_out[%2d] = %3d, expected %3d", i, data_out[i], expected);
+      pass = 0;
+    end
+  end
+
+  if (pass) begin
+    $display("PASS: All outputs are correct!");
+  end else begin
+    $display("FAIL: Output mismatch detected!");
+  end
+
+  ready_o = 0;
+
+  // Wait a few cycles then end
+  repeat(10) @(posedge clk);
+
+  $display("\nTest completed! Latency: %0d, Cycles: %0d", end_v-start_v, cycles);
+  $finish;
+end
+
+endmodule

apps/guass-pyramid/ready-val/conv2d_tb.sv …ass-pyramid/ready-val/tests/conv2d_tb.svapps/guass-pyramid/ready-val/conv2d_tb.sv renamed to apps/guass-pyramid/ready-val/tests/conv2d_tb.sv apps/guass-pyramid/ready-val/conv2d_tb.sv renamed to apps/guass-pyramid/ready-val/tests/conv2d_tb.sv

@@ -125,7 +125,8 @@ module Conv2D#(
 
 // Interface with the convolution module
 logic conv_valid_i, conv_valid_o;
-logic[N-1:0][7:0] conv_out, conv_in;
+logic[N-1:0][7:0] conv_out;
+logic[N-1:0][7:0] conv_in;
 AetherlingConv#(.N(N)) Conv(
   .clk, .reset,
   .in(conv_in),
@@ -328,7 +329,7 @@ module Blur#(
 // Should apply blur kernel to each pixel neighborhood and manage ready/valid protocol
 
 logic conv_ready_i, conv_ready_o, conv_valid_i, conv_valid_o;
-logic[15:0][7:0] conv_in, conv_out;
+logic[N-1:0][7:0] conv_in, conv_out;
 
 Conv2D#(.N(N)) conv2d(
   .clk, .reset,