diff --git a/verilog/rtl/main.v b/verilog/rtl/main.v
new file mode 100644
index 0000000..046d099
--- /dev/null
+++ b/verilog/rtl/main.v
@@ -0,0 +1,73 @@
+module main(clk,reset,trace_ready,mem_addr,L1_hit_count,L2_hit_count4,L2_hit_count8,L2_hit_count16,L2_ss1_count4,L2_ss1_count8,L2_ss1_count16,L2_ss2_count4,L2_ss2_count8,L2_ss2_count16);
+
+    parameter L1_way = 4;
+    parameter L1_block_size_byte = 16;
+    parameter L1_cache_size_byte = 1*1024;
+    
+    parameter L2_way = 16;
+    parameter L2_block_size_byte = 16;
+    parameter L2_set_size = 64;
+    
+    parameter L1_block_offset_index = $rtoi($ln(L1_block_size_byte)/$ln(2));
+    parameter L1_set = L1_cache_size_byte/(L1_block_size_byte*L1_way);
+    parameter L1_set_index = $rtoi($ln(L1_set)/$ln(2));
+    parameter L1_way_width = $rtoi($ln(L1_way)/$ln(2));
+    
+    parameter L2_block_offset_index = $rtoi($ln(L2_block_size_byte)/$ln(2));
+    parameter L2_set_index = $rtoi($ln(L2_set_size)/$ln(2));
+    parameter L2_way_width = $rtoi($ln(L2_way)/$ln(2));
+
+    input clk,trace_ready,reset;
+    input [31:0] mem_addr;
+    
+    output [19:0] L1_hit_count,L2_hit_count4,L2_hit_count8,L2_hit_count16,L2_ss1_count4,L2_ss1_count8,L2_ss1_count16,L2_ss2_count4,L2_ss2_count8,L2_ss2_count16;
+    wire updated;    
+    
+    // variables to divide address in tag, index and offset for L1 cache
+    wire [31-L1_set_index-L1_block_offset_index:0] L1_tag;
+    wire [L1_set_index-1:0] L1_index;
+    wire [L1_block_offset_index-1:0] L1_block_offset;
+    
+    // variables to divide address in tag, index and offset for L2 cache
+    wire [31-L2_set_index-L2_block_offset_index:0] L2_tag;
+    wire [L2_set_index-1:0] L2_index;
+    wire [L2_block_offset_index-1:0] L2_block_offset;
+    
+    //L1 cache 
+    wire L1_done,L1_found_in_cache,L1_updated;
+    
+    //L2 cache
+    wire L2_done,L2_found_in_cache,L2_updated ;    
+    wire [L2_way_width:0] L2_hit_way;
+    
+    //Subset cache1
+    wire ss1_found_in_cache,ss1_updated;
+    wire [L2_way_width:0] ss1_hit_way;
+    
+    //Subset cache2
+    wire ss2_found_in_cache,ss2_updated;
+    wire [L2_way_width:0] ss2_hit_way;
+    wire [L2_set_index-2:0] ss1_index;
+    
+    //prefetcher
+    wire prefetch_hit,prefetch_done;
+    
+
+    assign L1_block_offset = mem_addr[L1_block_offset_index-1:0];
+    assign L1_index = mem_addr[L1_set_index+L1_block_offset_index-1:L1_block_offset_index];
+    assign L1_tag = mem_addr[31:L1_set_index+L1_block_offset_index];
+    
+    assign L2_block_offset = mem_addr[L2_block_offset_index-1:0];
+    assign L2_index = mem_addr[L2_set_index+L2_block_offset_index-1:L2_block_offset_index];
+    assign L2_tag = mem_addr[31:L2_set_index+L2_block_offset_index]; 
+    
+    assign ss1_index = L2_index[L2_set_index-2:0];
+    assign updated = !prefetch_hit&&ss1_updated ? 1'b1 : L1_updated&&(prefetch_hit||L1_found_in_cache) ? 1'b1 :  1'b0;      
+    
+    L1_cache #(.way(L1_way),.block_size_byte(L1_block_size_byte),.cache_size_byte(L1_cache_size_byte)) i1  (clk,reset,L1_tag,L1_index,L1_block_offset,trace_ready,prefetch_hit,L2_found_in_cache,L1_hit_count,L1_found_in_cache,L1_updated,L1_done,prefetch_done);
+    L2_cache #(.way(L2_way),.block_size_byte(L2_block_size_byte),.set_size(L2_set_size)) i2 (clk,reset,L2_tag,L2_index,L2_block_offset,(prefetch_done && !prefetch_hit),L2_hit_count4,L2_hit_count8,L2_hit_count16,L2_found_in_cache,L2_hit_way,L2_done,L2_updated);
+    L2_cache_subset #(.way(L2_way),.block_size_byte(L2_block_size_byte),.set_size(L2_set_size/2)) i3 (clk,reset,L2_index,L2_updated,L2_found_in_cache,L2_hit_way,ss1_found_in_cache,L2_ss1_count4,L2_ss1_count8,L2_ss1_count16,ss1_hit_way,ss1_updated);
+    L2_cache_subset #(.way(L2_way),.block_size_byte(L2_block_size_byte),.set_size(L2_set_size/4)) i4 (clk,reset,ss1_index,ss1_updated,ss1_found_in_cache,ss1_hit_way,ss2_found_in_cache,L2_ss2_count4,L2_ss2_count8,L2_ss2_count16,ss2_hit_way,ss2_updated);
+    prefetcher #(.way(L1_way),.block_size_byte(L1_block_size_byte),.cache_size_byte(L1_cache_size_byte)) i5(clk,mem_addr,(L1_done && !L1_found_in_cache),prefetch_hit);
+    
+endmodule