page-target.c

   1 /*
   2  * QEMU page values getters (target independent)
   3  *
   4  *  Copyright (c) 2003 Fabrice Bellard
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "qemu/osdep.h"
  10 #include "exec/target_page.h"
  11 #include "exec/cpu-defs.h"
  12 #include "cpu.h"
  13 #include "exec/cpu-all.h"
  14
  15 size_t qemu_target_page_size(void)
  16 {
  17     return TARGET_PAGE_SIZE;
  18 }
  19
  20 int qemu_target_page_mask(void)
  21 {
  22     return TARGET_PAGE_MASK;
  23 }
  24
  25 int qemu_target_page_bits(void)
  26 {
  27     return TARGET_PAGE_BITS;
  28 }
  29
  30 int qemu_target_page_bits_min(void)
  31 {
  32     return TARGET_PAGE_BITS_MIN;
  33 }
  34
  35 /* Convert target pages to MiB (2**20). */
  36 size_t qemu_target_pages_to_MiB(size_t pages)
  37 {
  38     int page_bits = TARGET_PAGE_BITS;
  39
  40     /* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
  41     g_assert(page_bits < 20);
  42
  43     return pages >> (20 - page_bits);
  44 }