| /* |
| * Copyright (C) 2016 - ARM Ltd |
| * |
| * stage2 page table helpers |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef __ARM_S2_PGTABLE_H_ |
| #define __ARM_S2_PGTABLE_H_ |
| |
| #define stage2_pgd_none(pgd) pgd_none(pgd) |
| #define stage2_pgd_clear(pgd) pgd_clear(pgd) |
| #define stage2_pgd_present(pgd) pgd_present(pgd) |
| #define stage2_pgd_populate(pgd, pud) pgd_populate(NULL, pgd, pud) |
| #define stage2_pud_offset(pgd, address) pud_offset(pgd, address) |
| #define stage2_pud_free(pud) pud_free(NULL, pud) |
| |
| #define stage2_pud_none(pud) pud_none(pud) |
| #define stage2_pud_clear(pud) pud_clear(pud) |
| #define stage2_pud_present(pud) pud_present(pud) |
| #define stage2_pud_populate(pud, pmd) pud_populate(NULL, pud, pmd) |
| #define stage2_pmd_offset(pud, address) pmd_offset(pud, address) |
| #define stage2_pmd_free(pmd) pmd_free(NULL, pmd) |
| |
| #define stage2_pud_huge(pud) pud_huge(pud) |
| |
| /* Open coded p*d_addr_end that can deal with 64bit addresses */ |
| static inline phys_addr_t stage2_pgd_addr_end(phys_addr_t addr, phys_addr_t end) |
| { |
| phys_addr_t boundary = (addr + PGDIR_SIZE) & PGDIR_MASK; |
| |
| return (boundary - 1 < end - 1) ? boundary : end; |
| } |
| |
| #define stage2_pud_addr_end(addr, end) (end) |
| |
| static inline phys_addr_t stage2_pmd_addr_end(phys_addr_t addr, phys_addr_t end) |
| { |
| phys_addr_t boundary = (addr + PMD_SIZE) & PMD_MASK; |
| |
| return (boundary - 1 < end - 1) ? boundary : end; |
| } |
| |
| #define stage2_pgd_index(addr) pgd_index(addr) |
| |
| #define stage2_pte_table_empty(ptep) kvm_page_empty(ptep) |
| #define stage2_pmd_table_empty(pmdp) kvm_page_empty(pmdp) |
| #define stage2_pud_table_empty(pudp) false |
| |
| #endif /* __ARM_S2_PGTABLE_H_ */ |
