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_NOPUD_H_ 18#define __ARM64_S2_PGTABLE_NOPUD_H_ 19 20#define __S2_PGTABLE_PUD_FOLDED 21 22#define S2_PUD_SHIFT S2_PGDIR_SHIFT 23#define S2_PTRS_PER_PUD 1 24#define S2_PUD_SIZE (_AC(1, UL) << S2_PUD_SHIFT) 25#define S2_PUD_MASK (~(S2_PUD_SIZE-1)) 26 27#define stage2_pgd_none(pgd) (0) 28#define stage2_pgd_present(pgd) (1) 29#define stage2_pgd_clear(pgd) do { } while (0) 30#define stage2_pgd_populate(pgd, pud) do { } while (0) 31 32#define stage2_pud_offset(pgd, address) ((pud_t *)(pgd)) 33 34#define stage2_pud_free(x) do { } while (0) 35 36#define stage2_pud_addr_end(addr, end) (end) 37#define stage2_pud_table_empty(pmdp) (0) 38 39#endif 40