tb: implement ring test

1 files changed, 122 insertions, 0 deletions

diff --git a/rtl/top/test_ring.sv b/rtl/top/test_ring.sv
new file mode 100644
index 0000000..0011853
--- /dev/null
+++ b/rtl/top/test_ring.sv
@@ -0,0 +1,122 @@
+`include "cache/defs.sv"
+
+module test_ring
+(
+	input  logic clk,
+	             rst_n
+);
+
+	logic data_0_valid, data_1_valid, data_2_valid, data_3_valid,
+	      data_0_ready, data_1_ready, data_2_ready, data_3_ready;
+
+	ring_req data_0, data_1, data_2, data_3;
+
+	cache_ring segment_0
+	(
+		.core_tag(),
+		.core_index(),
+		.data_rd(),
+
+		.send(),
+		.send_read(),
+		.send_inval(),
+		.set_reply(),
+
+		.in_data(data_3),
+		.in_data_ready(data_3_ready),
+		.in_data_valid(data_3_valid),
+
+		.out_data(data_0),
+		.out_data_ready(data_0_ready),
+		.out_data_valid(data_0_valid),
+
+		.in_hold(),
+		.in_hold_valid(),
+		.last_hop(),
+		.out_stall(),
+
+		.*
+	);
+
+	cache_ring segment_1
+	(
+		.core_tag(),
+		.core_index(),
+		.data_rd(),
+
+		.send(),
+		.send_read(),
+		.send_inval(),
+		.set_reply(),
+
+		.in_data(data_0),
+		.in_data_ready(data_0_ready),
+		.in_data_valid(data_0_valid),
+
+		.out_data(data_1),
+		.out_data_ready(data_1_ready),
+		.out_data_valid(data_1_valid),
+
+		.in_hold(),
+		.in_hold_valid(),
+		.last_hop(),
+		.out_stall(),
+
+		.*
+	);
+
+	cache_ring segment_2
+	(
+		.core_tag(),
+		.core_index(),
+		.data_rd(),
+
+		.send(),
+		.send_read(),
+		.send_inval(),
+		.set_reply(),
+
+		.in_data(data_1),
+		.in_data_ready(data_1_ready),
+		.in_data_valid(data_1_valid),
+
+		.out_data(data_2),
+		.out_data_ready(data_2_ready),
+		.out_data_valid(data_2_valid),
+
+		.in_hold(),
+		.in_hold_valid(),
+		.last_hop(),
+		.out_stall(),
+
+		.*
+	);
+
+	cache_ring segment_3
+	(
+		.core_tag(),
+		.core_index(),
+		.data_rd(),
+
+		.send(),
+		.send_read(),
+		.send_inval(),
+		.set_reply(),
+
+		.in_data(data_2),
+		.in_data_ready(data_2_ready),
+		.in_data_valid(data_2_valid),
+
+		.out_data(data_3),
+		.out_data_ready(data_3_ready),
+		.out_data_valid(data_3_valid),
+
+		.in_hold(),
+		.in_hold_valid(),
+		.last_hop(),
+		.out_stall(),
+
+		.*
+	);
+
+endmodule