[mirror_ubuntu-eoan-kernel.git] / arch / arm64 / include / asm / stage2_pgtable-nopud.h

/*
 * Copyright (C) 2016 - ARM Ltd
 *
 * 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 __ARM64_S2_PGTABLE_NOPUD_H_
#define __ARM64_S2_PGTABLE_NOPUD_H_

#define __S2_PGTABLE_PUD_FOLDED

#define S2_PUD_SHIFT		S2_PGDIR_SHIFT
#define S2_PTRS_PER_PUD		1
#define S2_PUD_SIZE		(_AC(1, UL) << S2_PUD_SHIFT)
#define S2_PUD_MASK		(~(S2_PUD_SIZE-1))

#define stage2_pgd_none(pgd)			(0)
#define stage2_pgd_present(pgd)			(1)
#define stage2_pgd_clear(pgd)			do { } while (0)
#define stage2_pgd_populate(pgd, pud)	do { } while (0)

#define stage2_pud_offset(pgd, address)		((pud_t *)(pgd))

#define stage2_pud_free(x)			do { } while (0)

#define stage2_pud_addr_end(addr, end)		(end)
#define stage2_pud_table_empty(pmdp)		(0)

#endif
Commit	Line	Data
da04fa04 SP	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