linux/arch/arm64/include/asm/stage2_pgtable-nopmd.h
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   1/*
   2 * Copyright (C) 2016 - ARM Ltd
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License version 2 as
   6 * published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15 */
  16
  17#ifndef __ARM64_S2_PGTABLE_NOPMD_H_
  18#define __ARM64_S2_PGTABLE_NOPMD_H_
  19
  20#include <asm/stage2_pgtable-nopud.h>
  21
  22#define __S2_PGTABLE_PMD_FOLDED
  23
  24#define S2_PMD_SHIFT            S2_PUD_SHIFT
  25#define S2_PTRS_PER_PMD         1
  26#define S2_PMD_SIZE             (1UL << S2_PMD_SHIFT)
  27#define S2_PMD_MASK             (~(S2_PMD_SIZE-1))
  28
  29#define stage2_pud_none(pud)                    (0)
  30#define stage2_pud_present(pud)                 (1)
  31#define stage2_pud_clear(pud)                   do { } while (0)
  32#define stage2_pud_populate(pud, pmd)           do { } while (0)
  33#define stage2_pmd_offset(pud, address)         ((pmd_t *)(pud))
  34
  35#define stage2_pmd_free(pmd)                    do { } while (0)
  36
  37#define stage2_pmd_addr_end(addr, end)          (end)
  38
  39#define stage2_pud_huge(pud)                    (0)
  40#define stage2_pmd_table_empty(pmdp)            (0)
  41
  42#endif
  43