1 files changed, 58 insertions, 0 deletions
diff --git a/scripts/synth_vivado_soc.v b/scripts/synth_vivado_soc.v
new file mode 100644
index 0000000..64d70ae
--- /dev/null
+++ b/scripts/synth_vivado_soc.v
@@ -0,0 +1,58 @@
+`timescale 1 ns / 1 ps
+
+module test_soc (
+	input         clk,
+	input         resetn,
+	output        trap,
+	output [7:0]  out_byte,
+	output        out_byte_en,
+
+	output        monitor_valid,
+	output [31:0] monitor_addr,
+	output [31:0] monitor_data
+);
+	parameter MEM_SIZE = 64*1024/4;
+
+	wire mem_valid;
+	wire mem_instr;
+	wire mem_ready;
+	wire [31:0] mem_addr;
+	wire [31:0] mem_wdata;
+	wire [3:0] mem_wstrb;
+	wire [31:0] mem_rdata;
+
+	picorv32 uut (
+		.clk      (clk      ),
+		.resetn   (resetn   ),
+		.trap     (trap     ),
+		.mem_valid(mem_valid),
+		.mem_instr(mem_instr),
+		.mem_ready(mem_ready),
+		.mem_addr (mem_addr ),
+		.mem_wdata(mem_wdata),
+		.mem_wstrb(mem_wstrb),
+		.mem_rdata(mem_rdata)
+	);
+
+	assign monitor_valid = mem_valid;
+	assign monitor_addr = mem_addr;
+	assign monitor_data = mem_wstrb ? mem_wdata : mem_rdata;
+
+	reg [31:0] memory [0:MEM_SIZE-1];
+	initial $readmemh("../firmware/firmware.hex", memory);
+
+	assign mem_ready = 1;
+	assign mem_rdata = memory[mem_addr >> 2];
+
+	assign out_byte = mem_wdata[7:0];
+	assign out_byte_en = mem_addr == 32'h1000_0000;
+
+	always @(posedge clk) begin
+		if (mem_valid && (mem_addr >> 2) < MEM_SIZE) begin
+			if (mem_wstrb[0]) memory[mem_addr >> 2][ 7: 0] <= mem_wdata[ 7: 0];
+			if (mem_wstrb[1]) memory[mem_addr >> 2][15: 8] <= mem_wdata[15: 8];
+			if (mem_wstrb[2]) memory[mem_addr >> 2][23:16] <= mem_wdata[23:16];
+			if (mem_wstrb[3]) memory[mem_addr >> 2][31:24] <= mem_wdata[31:24];
+		end
+	end
+endmodule