Added verify read clear nof syncs.

libraries/base/dp/tb/vhdl/tb_mms_dp_sync_checker.vhd

@@ -125,7 +125,8 @@ ARCHITECTURE tb OF tb_mms_dp_sync_checker IS
   SIGNAL mm_mosi                : t_mem_mosi;
   SIGNAL mm_miso                : t_mem_miso;
 
-  
+  SIGNAL mm_nof_early_syncs     : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0);
+  SIGNAL mm_nof_late_syncs      : STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0);
     
 BEGIN
 
@@ -235,9 +236,30 @@ BEGIN
     ----------------------------------------------------------------------------
     mm_mosi <= c_mem_mosi_rst;
     proc_common_wait_some_cycles(mm_clk, 290);
+    
+    -- read to verify nof syncs
     proc_mem_mm_bus_rd(0, mm_clk, mm_mosi);   -- Read nof_early_syncs
-    proc_common_wait_some_cycles(clk, 2);    
+    proc_common_wait_some_cycles(mm_clk, 1);
+    mm_nof_early_syncs <= mm_miso.rddata(c_word_w-1 DOWNTO 0);
     proc_mem_mm_bus_rd(1, mm_clk, mm_mosi);   -- Read nof_late_syncs
+    proc_common_wait_some_cycles(mm_clk, 1);
+    mm_nof_late_syncs <= mm_miso.rddata(c_word_w-1 DOWNTO 0);
+    proc_common_wait_some_cycles(mm_clk, 1);
+    
+    ASSERT TO_UINT(mm_nof_early_syncs)=0 REPORT "Unexpected mm_nof_early_syncs" SEVERITY ERROR;
+    ASSERT TO_UINT(mm_nof_late_syncs)>0 REPORT "Unexpected mm_nof_late_syncs" SEVERITY ERROR;
+    
+    -- read again to verify clear after rd
+    proc_mem_mm_bus_rd(0, mm_clk, mm_mosi);   -- Read nof_early_syncs
+    proc_common_wait_some_cycles(mm_clk, 1);
+    mm_nof_early_syncs <= mm_miso.rddata(c_word_w-1 DOWNTO 0);
+    proc_mem_mm_bus_rd(1, mm_clk, mm_mosi);   -- Read nof_late_syncs
+    proc_common_wait_some_cycles(mm_clk, 1);
+    mm_nof_late_syncs <= mm_miso.rddata(c_word_w-1 DOWNTO 0);
+    proc_common_wait_some_cycles(mm_clk, 1);
+    
+    ASSERT TO_UINT(mm_nof_early_syncs)=0 REPORT "Unexpected cleared mm_nof_early_syncs" SEVERITY ERROR;
+    ASSERT TO_UINT(mm_nof_late_syncs)=0 REPORT "Unexpected cleared mm_nof_late_syncs" SEVERITY ERROR;
     
     WAIT;
   END PROCESS;