Add stalling fixes

Author: Sitara

PROC/PROCv2.vhd

@@ -214,7 +214,7 @@ MEMstage: MEM port map(clk,mem_reset,mem_data_in_buffer,mem_address_in_buffer,me
 
 clk<=clock;
 id_reset<=reset;
-ex_reset<=reset;
+ex_reset<=reset AND NOT(enable_stall);
 if_reset<=reset;
 mem_reset<=reset;
 

PROC/TEST2.tcl

@@ -7,7 +7,7 @@ sim:/PROCv2/id_reset\
 sim:/PROCv2/if_reset\
 sim:/PROCv2/mem_reset
 
-add wave -group "Hazard Detection" sim:/PROCv3/enable_stall
+add wave -group "Hazard Detection" sim:/PROCv2/enable_stall
 
 add wave -group "IF in buffers" sim:/PROCv2/if_pc_in_buffer\
 sim:/PROCv2/if_pc_sel_in_buffer\
@@ -93,7 +93,7 @@ add wave -position end  sim:/procv2/EXstage/mux1/ctl
 ;
 
 proc runsim {} {
-      vsim PROCv2
+      vsim PROCv2 -t ps
 
     AddWaves
 ;#run 1 ns