> compile NEMU

221220000 张三
Linux zzy 5.15.146.1-microsoft-standard-WSL2 #1 SMP Thu Jan 11 04:09:03 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
 15:13:09 up 8 days,  2:56,  1 user,  load average: 0.19, 0.22, 0.30

nanos-lite/src/syscall.c

@@ -44,7 +44,7 @@ void do_syscall(Context *c) {
     CASE(gettimeofday, c->GPRx = _gettimeofday((struct timeval*)a[1], (struct timezone*)a[2]))
     CASE(execve, c->GPRx = _execve((const char*)a[1], (char* const*)a[2], (char* const*)a[3]))
     CASE(brk, c->GPRx = _brk((void*)a[1]))
-    CASE(exit, halt(0))
+    CASE(exit, _exit((int) a[1]))
     default: panic("Unhandled syscall ID = %d", a[0]);
   }
 }