Emu: stop sim if assertion is triggered (#776)

* Emu: stop sim if assertion is triggered

* Difftest: fix record_inst wdata width

* Difftest: fix xs_assert

* fix assert bug in L3
Co-authored-by: NLinJiawei <linjiawei20s@ict.ac.cn>

block-inclusivecache-sifive @ 1566b4be

-Subproject commit bdcb4f3f229905149f9b2d1b162e00316511daf0
+Subproject commit 1566b4be1693f0e0d076172f70055693c8cea503

src/test/csrc/common/common.cpp

 #include <csignal>
 #include "common.h"
 
-int assert_count = -1;
+int assert_count = 0;
 static pthread_mutex_t assert_mutex;
 int signal_num = 0;
 

src/test/csrc/difftest/difftest.h

@@ -137,7 +137,7 @@ public:
     retire_group_cnt_queue[retire_group_pointer] = count;
     retire_group_pointer = (retire_group_pointer + 1) % DEBUG_GROUP_TRACE_SIZE;
   };
-  void record_inst(uint64_t pc, uint32_t inst, uint8_t en, uint8_t dest, uint8_t data) {
+  void record_inst(uint64_t pc, uint32_t inst, uint8_t en, uint8_t dest, uint64_t data) {
     retire_inst_pc_queue   [retire_inst_pointer] = pc;
     retire_inst_inst_queue [retire_inst_pointer] = inst;
     retire_inst_wen_queue  [retire_inst_pointer] = en;

src/test/csrc/verilator/emu.cpp

@@ -241,6 +241,7 @@ uint64_t Emulator::execute(uint64_t max_cycle, uint64_t max_instr) {
       // difftest[0]->display();
       eprintf("The simulation stopped. There might be some assertion failed.\n");
       trapCode = STATE_ABORT;
+      break;
     }
     // signals
     if (signal_num != 0) {