func: ram_addr_t qemu_ram_addr_from_host_nofail(void *ptr)
  
  {
  
      ram_addr_t ram_addr;
  
  
  
      if (qemu_ram_addr_from_host(ptr, &ram_addr)) {
  
          fprintf(stderr, "Bad ram pointer %p\n", ptr);
  
          abort();
  
      }
  
      return ram_addr;
  
  }
  