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- /*
- * Copyright (C) 2012 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 __ASM_MMU_H
- #define __ASM_MMU_H
- typedef struct {
- atomic64_t id;
- void *vdso;
- unsigned long flags;
- } mm_context_t;
- /*
- * This macro is only used by the TLBI code, which cannot race with an
- * ASID change and therefore doesn't need to reload the counter using
- * atomic64_read.
- */
- #define ASID(mm) ((mm)->context.id.counter & 0xffff)
- extern void paging_init(void);
- extern void bootmem_init(void);
- extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
- extern void init_mem_pgprot(void);
- extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,
- unsigned long virt, phys_addr_t size,
- pgprot_t prot, bool page_mappings_only);
- extern void *fixmap_remap_fdt(phys_addr_t dt_phys);
- #endif
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