Get it to compile at least

src/application_wrapper/cache/application_wrapper_cache_lru.sv

@@ -0,0 +1,27 @@
+module application_wrapper_cache_lru #(
+    // This should be NUM_WAYS - 1
+    parameter LRU_W = 3,
+    parameter NUM_SETS = 64
+) (
+    input  logic [INDEX_W-1:0]  i_read_index,
+    input  logic                i_read_valid,
+    output logic [LRU_W-1:0]   o_read_data,
+
+    input  logic [INDEX_W-1:0]  i_write_index,
+    input  logic                i_write_valid,
+    input  logic [LRU_W-1:0]    i_write_data   
+);
+
+logic [LRU_W-1:0] lru_array [NUM_SETS];
+
+always @(posedge i_clk) begin
+    if (i_write_valid) begin
+        lru_array[i_write_index] = i_write_data;
+    end
+
+    if (i_read_valid) begin
+        o_read_data = lru_array[i_read_index];
+    end
+end
+
+endmodule