arch/arm64/include/asm/stage2_pgtable-nopmd.h

   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