40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/*
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* Copyright (C) 2012 ARM Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __ASM_MMU_H
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#define __ASM_MMU_H
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typedef struct {
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unsigned int id;
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raw_spinlock_t id_lock;
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void *vdso;
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} mm_context_t;
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#define INIT_MM_CONTEXT(name) \
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.context.id_lock = __RAW_SPIN_LOCK_UNLOCKED(name.context.id_lock),
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#define ASID(mm) ((mm)->context.id & 0xffff)
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extern void paging_init(void);
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extern void setup_mm_for_reboot(void);
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extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
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extern void init_mem_pgprot(void);
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extern void mem_text_write_kernel_word(u32 *addr, u32 word);
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extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,
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unsigned long virt, phys_addr_t size,
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pgprot_t prot);
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#endif
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