Release 4.11 arch/arm/include/asm/stage2_pgtable.h
/*
* 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;
}
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#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;
}
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#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_ */
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