util/pagesize.c

   1 /*
   2  * pagesize.c - query the host about its page size
   3  *
   4  * Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
   5  * License: GNU GPL, version 2 or later.
   6  *   See the COPYING file in the top-level directory.
   7  */
   8
   9 #include "qemu/osdep.h"
  10
  11 uintptr_t qemu_real_host_page_size;
  12 intptr_t qemu_real_host_page_mask;
  13
  14 static void __attribute__((constructor)) init_real_host_page_size(void)
  15 {
  16     qemu_real_host_page_size = getpagesize();
  17     qemu_real_host_page_mask = -(intptr_t)qemu_real_host_page_size;
  18 }