1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
#ifndef _PARISC_CACHEFLUSH_H
#define _PARISC_CACHEFLUSH_H
#include <linux/mm.h>
/* The usual comment is "Caches aren't brain-dead on the <architecture>".
* Unfortunately, that doesn't apply to PA-RISC. */
/* Internal implementation */
void flush_data_cache_local(void *); /* flushes local data-cache only */
void flush_instruction_cache_local(void *); /* flushes local code-cache only */
#ifdef CONFIG_SMP
void flush_data_cache(void); /* flushes data-cache only (all processors) */
void flush_instruction_cache(void); /* flushes i-cache only (all processors) */
#else
#define flush_data_cache() flush_data_cache_local(NULL)
#define flush_instruction_cache() flush_instruction_cache_local(NULL)
#endif
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
void flush_user_icache_range_asm(unsigned long, unsigned long);
void flush_kernel_icache_range_asm(unsigned long, unsigned long);
void flush_user_dcache_range_asm(unsigned long, unsigned long);
void flush_kernel_dcache_range_asm(unsigned long, unsigned long);
void flush_kernel_dcache_page_asm(void *);
void flush_kernel_icache_page(void *);
void flush_user_dcache_page(unsigned long);
void flush_user_icache_page(unsigned long);
void flush_user_dcache_range(unsigned long, unsigned long);
void flush_user_icache_range(unsigned long, unsigned long);
/* Cache flush operations */
void flush_cache_all_local(void);
void flush_cache_all(void);
void flush_cache_mm(struct mm_struct *mm);
#define flush_kernel_dcache_range(start,size) \
flush_kernel_dcache_range_asm((start), (start)+(size));
#define flush_cache_vmap(start, end) flush_cache_all()
#define flush_cache_vunmap(start, end) flush_cache_all()
extern void flush_dcache_page(struct page *page);
#define flush_dcache_mmap_lock(mapping) \
spin_lock_irq(&(mapping)->tree_lock)
#define flush_dcache_mmap_unlock(mapping) \
spin_unlock_irq(&(mapping)->tree_lock)
#define flush_icache_page(vma,page) do { \
flush_kernel_dcache_page(page); \
flush_kernel_icache_page(page_address(page)); \
} while (0)
#define flush_icache_range(s,e) do { \
flush_kernel_dcache_range_asm(s,e); \
flush_kernel_icache_range_asm(s,e); \
} while (0)
#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
flush_kernel_dcache_range_asm((unsigned long)dst, (unsigned long)dst + len); \
} while (0)
#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
do { \
flush_cache_page(vma, vaddr, page_to_pfn(page)); \
memcpy(dst, src, len); \
} while (0)
void flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long pfn);
void flush_cache_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end);
#define ARCH_HAS_FLUSH_ANON_PAGE
static inline void
flush_anon_page(struct vm_area_struct *vma, struct page *page, unsigned long vmaddr)
{
if (PageAnon(page))
flush_user_dcache_page(vmaddr);
}
#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE
void flush_kernel_dcache_page_addr(void *addr);
static inline void flush_kernel_dcache_page(struct page *page)
{
flush_kernel_dcache_page_addr(page_address(page));
}
#ifdef CONFIG_DEBUG_RODATA
void mark_rodata_ro(void);
#endif
#ifdef CONFIG_PA8X00
/* Only pa8800, pa8900 needs this */
#include <asm/kmap_types.h>
#define ARCH_HAS_KMAP
void kunmap_parisc(void *addr);
static inline void *kmap(struct page *page)
{
might_sleep();
return page_address(page);
}
#define kunmap(page) kunmap_parisc(page_address(page))
#define kmap_atomic(page, idx) page_address(page)
#define kunmap_atomic(addr, idx) kunmap_parisc(addr)
#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn))
#define kmap_atomic_to_page(ptr) virt_to_page(ptr)
#endif
#endif /* _PARISC_CACHEFLUSH_H */
|
