> 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
 16:35:19 up 2 days,  6:49,  1 user,  load average: 0.10, 0.26, 0.27

nemu/src/device/timer.c

@@ -23,6 +23,7 @@ static void rtc_io_handler(uint32_t offset, int len, bool is_write) {
   assert(offset == 0 || offset == 4);
   if (!is_write && offset == 4) {
     uint64_t us = get_time();
+    printf("rtc_io_handle %ld\n", us);
     rtc_port_base[0] = (uint32_t)us;
     rtc_port_base[1] = us >> 32;
   }