x86: Fix compilation bug in kprobes' twobyte_is_boostable
[linux-btrfs-devel.git] / arch / arm / include / asm / proc-fns.h
blob633d1cb84d87cbe356496b863e24f85a5f0402ea
1 /*
2 * arch/arm/include/asm/proc-fns.h
4 * Copyright (C) 1997-1999 Russell King
5 * Copyright (C) 2000 Deep Blue Solutions Ltd
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 #ifndef __ASM_PROCFNS_H
12 #define __ASM_PROCFNS_H
14 #ifdef __KERNEL__
16 #include <asm/glue-proc.h>
17 #include <asm/page.h>
19 #ifndef __ASSEMBLY__
21 struct mm_struct;
24 * Don't change this structure - ASM code relies on it.
26 extern struct processor {
27 /* MISC
28 * get data abort address/flags
30 void (*_data_abort)(unsigned long pc);
32 * Retrieve prefetch fault address
34 unsigned long (*_prefetch_abort)(unsigned long lr);
36 * Set up any processor specifics
38 void (*_proc_init)(void);
40 * Disable any processor specifics
42 void (*_proc_fin)(void);
44 * Special stuff for a reset
46 void (*reset)(unsigned long addr) __attribute__((noreturn));
48 * Idle the processor
50 int (*_do_idle)(void);
52 * Processor architecture specific
55 * clean a virtual address range from the
56 * D-cache without flushing the cache.
58 void (*dcache_clean_area)(void *addr, int size);
61 * Set the page table
63 void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
65 * Set a possibly extended PTE. Non-extended PTEs should
66 * ignore 'ext'.
68 void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
70 /* Suspend/resume */
71 unsigned int suspend_size;
72 void (*do_suspend)(void *);
73 void (*do_resume)(void *);
74 } processor;
76 #ifndef MULTI_CPU
77 extern void cpu_proc_init(void);
78 extern void cpu_proc_fin(void);
79 extern int cpu_do_idle(void);
80 extern void cpu_dcache_clean_area(void *, int);
81 extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
82 extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
83 extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
84 #else
85 #define cpu_proc_init processor._proc_init
86 #define cpu_proc_fin processor._proc_fin
87 #define cpu_reset processor.reset
88 #define cpu_do_idle processor._do_idle
89 #define cpu_dcache_clean_area processor.dcache_clean_area
90 #define cpu_set_pte_ext processor.set_pte_ext
91 #define cpu_do_switch_mm processor.switch_mm
92 #endif
94 extern void cpu_resume(void);
96 #include <asm/memory.h>
98 #ifdef CONFIG_MMU
100 #define cpu_switch_mm(pgd,mm) cpu_do_switch_mm(virt_to_phys(pgd),mm)
102 #define cpu_get_pgd() \
103 ({ \
104 unsigned long pg; \
105 __asm__("mrc p15, 0, %0, c2, c0, 0" \
106 : "=r" (pg) : : "cc"); \
107 pg &= ~0x3fff; \
108 (pgd_t *)phys_to_virt(pg); \
111 #endif
113 #endif /* __ASSEMBLY__ */
114 #endif /* __KERNEL__ */
115 #endif /* __ASM_PROCFNS_H */