working with memory

2026-09-02 13:09:20 +02:00
parent d4ae2417a4
commit 16769eaa4b
40 changed files with 1263404 additions and 3560 deletions
@@ -0,0 +1,78 @@
+module top (
+    input clk,
+    input rst,
+    input start,
+
+    output signed [31:0] y_bus,
+    output busy,
+    output done
+);
+
+    localparam DATA_WIDTH = 8;
+    localparam N_INPUTS   = 256;
+    localparam N_NEURONS  = 4;
+    localparam PARALLEL   = 2;
+    localparam ACC_WIDTH  = 32;
+
+    reg signed [DATA_WIDTH*N_INPUTS-1:0] x_bus;
+    reg signed [DATA_WIDTH*N_INPUTS*N_NEURONS-1:0] weights_bus;
+    reg signed [DATA_WIDTH*N_NEURONS-1:0] bias_bus;
+
+    integer i;
+
+    initial begin
+        x_bus       = 0;
+        weights_bus = 0;
+        bias_bus    = 0;
+
+        // x[i] = 1
+        for (i = 0; i < N_INPUTS; i = i + 1)
+            x_bus[i*DATA_WIDTH +: DATA_WIDTH] = 8'sd1;
+
+        // Neurone 0: primi 32 pesi = +1
+        for (i = 0; i < 32; i = i + 1)
+            weights_bus[
+                0*N_INPUTS*DATA_WIDTH +
+                i*DATA_WIDTH +:
+                DATA_WIDTH
+            ] = 8'sd1;
+
+        // Neurone 1: tutti i pesi = 0, bias = 10
+        bias_bus[1*DATA_WIDTH +: DATA_WIDTH] = 8'sd10;
+
+        // Neurone 2: tutti i pesi = -1
+        for (i = 0; i < N_INPUTS; i = i + 1)
+            weights_bus[
+                2*N_INPUTS*DATA_WIDTH +
+                i*DATA_WIDTH +:
+                DATA_WIDTH
+            ] = -8'sd1;
+
+        // Neurone 3: primi 32 pesi = +4
+        for (i = 0; i < 32; i = i + 1)
+            weights_bus[
+                3*N_INPUTS*DATA_WIDTH +
+                i*DATA_WIDTH +:
+                DATA_WIDTH
+            ] = 8'sd4;
+    end
+
+    layer #(
+        .DATA_WIDTH(DATA_WIDTH),
+        .N_INPUTS(N_INPUTS),
+        .N_NEURONS(N_NEURONS),
+        .PARALLEL(PARALLEL),
+        .ACC_WIDTH(ACC_WIDTH)
+    ) u_layer (
+        .clk(clk),
+        .rst(rst),
+        .start(start),
+        .x_bus(x_bus),
+        .weights_bus(weights_bus),
+        .bias_bus(bias_bus),
+        .y_bus(y_bus),
+        .busy(busy),
+        .done(done)
+    );
+
+endmodule