2 files changed, 7 insertions(+), 0 deletions(-)

M src/forwarder.sv
M src/stages/decode.sv

@@ 6,6 6,7 @@ module forwarder(
   input [31:0]      register_file_data,
   input             forwarding_data_status_t data_in_pipeline,
 
+  output            forwarding,
   output reg        stall,
   output reg [31:0] data
 );


@@ 17,18 18,22 @@ module forwarder(
   always_comb begin
     stall = 0;
     data = register_file_data;
+    forwarding = 0;
 
     if (read_address != 0 && data_in_pipeline.execute_out.address == read_address) begin
       stall = !data_in_pipeline.execute_out.valid;
       data = data_in_pipeline.execute_out.data;
+      forwarding = 1;
     end
     else if (read_address != 0 && data_in_pipeline.access_out.address == read_address) begin
       stall = !data_in_pipeline.access_out.valid;
       data = data_in_pipeline.access_out.data;
+      forwarding = 1;
     end
     else if (read_address != 0 && data_in_pipeline.writeback_in.address == read_address) begin
       stall = !data_in_pipeline.writeback_in.valid;
       data = data_in_pipeline.writeback_in.data;
+      forwarding = 1;
     end
   end
 endmodule

@@ 96,6 96,7 @@ module decode(
     .register_file_data(reg_rd1),
     .data_in_pipeline(data_in_pipeline),
     .stall(stall_1),
+    .forwarding(),
     .data(forwarded_reg_rd1)
   );
 


@@ 105,6 106,7 @@ module decode(
     .register_file_data(reg_rd2),
     .data_in_pipeline(data_in_pipeline),
     .stall(stall_2),
+    .forwarding(),
     .data(forwarded_reg_rd2)
   );