ARC: MMU Exception Handling
[linux-2.6-block.git] / arch / arc / include / asm / tlb.h
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1/*
2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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
9#ifndef _ASM_ARC_TLB_H
10#define _ASM_ARC_TLB_H
11
12#ifdef __KERNEL__
13
14#include <asm/pgtable.h>
15
16/* Masks for actual TLB "PD"s */
17#define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT)
18#define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \
19 _PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ | \
20 _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ)
21
22#ifndef __ASSEMBLY__
23
24#include <linux/pagemap.h>
25#include <asm-generic/tlb.h>
26
27#ifdef CONFIG_ARC_DBG_TLB_PARANOIA
28void tlb_paranoid_check(unsigned int pid_sw, unsigned long address);
29#else
30#define tlb_paranoid_check(a, b)
31#endif
32
33void arc_mmu_init(void);
34extern char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len);
35void __init read_decode_mmu_bcr(void);
36
37#endif /* __ASSEMBLY__ */
38
39#endif /* __KERNEL__ */
40
41#endif /* _ASM_ARC_TLB_H */