Blame view

kernel/linux-rt-4.4.41/include/asm-generic/bitops/le.h 2.15 KB
5113f6f70   김현기   kernel add
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
  #ifndef _ASM_GENERIC_BITOPS_LE_H_
  #define _ASM_GENERIC_BITOPS_LE_H_
  
  #include <asm/types.h>
  #include <asm/byteorder.h>
  
  #if defined(__LITTLE_ENDIAN)
  
  #define BITOP_LE_SWIZZLE	0
  
  static inline unsigned long find_next_zero_bit_le(const void *addr,
  		unsigned long size, unsigned long offset)
  {
  	return find_next_zero_bit(addr, size, offset);
  }
  
  static inline unsigned long find_next_bit_le(const void *addr,
  		unsigned long size, unsigned long offset)
  {
  	return find_next_bit(addr, size, offset);
  }
  
  static inline unsigned long find_first_zero_bit_le(const void *addr,
  		unsigned long size)
  {
  	return find_first_zero_bit(addr, size);
  }
  
  #elif defined(__BIG_ENDIAN)
  
  #define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
  
  #ifndef find_next_zero_bit_le
  extern unsigned long find_next_zero_bit_le(const void *addr,
  		unsigned long size, unsigned long offset);
  #endif
  
  #ifndef find_next_bit_le
  extern unsigned long find_next_bit_le(const void *addr,
  		unsigned long size, unsigned long offset);
  #endif
  
  #ifndef find_first_zero_bit_le
  #define find_first_zero_bit_le(addr, size) \
  	find_next_zero_bit_le((addr), (size), 0)
  #endif
  
  #else
  #error "Please fix <asm/byteorder.h>"
  #endif
  
  static inline int test_bit_le(int nr, const void *addr)
  {
  	return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline void set_bit_le(int nr, void *addr)
  {
  	set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline void clear_bit_le(int nr, void *addr)
  {
  	clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline void __set_bit_le(int nr, void *addr)
  {
  	__set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline void __clear_bit_le(int nr, void *addr)
  {
  	__clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline int test_and_set_bit_le(int nr, void *addr)
  {
  	return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline int test_and_clear_bit_le(int nr, void *addr)
  {
  	return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline int __test_and_set_bit_le(int nr, void *addr)
  {
  	return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  static inline int __test_and_clear_bit_le(int nr, void *addr)
  {
  	return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
  }
  
  #endif /* _ASM_GENERIC_BITOPS_LE_H_ */