xref: /linux/include/asm-generic/bitops/le.h (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
1 #ifndef _ASM_GENERIC_BITOPS_LE_H_
2 #define _ASM_GENERIC_BITOPS_LE_H_
3 
4 #include <asm/types.h>
5 #include <asm/byteorder.h>
6 
7 #if defined(__LITTLE_ENDIAN)
8 
9 #define BITOP_LE_SWIZZLE	0
10 
11 static inline unsigned long find_next_zero_bit_le(const void *addr,
12 		unsigned long size, unsigned long offset)
13 {
14 	return find_next_zero_bit(addr, size, offset);
15 }
16 
17 static inline unsigned long find_next_bit_le(const void *addr,
18 		unsigned long size, unsigned long offset)
19 {
20 	return find_next_bit(addr, size, offset);
21 }
22 
23 static inline unsigned long find_first_zero_bit_le(const void *addr,
24 		unsigned long size)
25 {
26 	return find_first_zero_bit(addr, size);
27 }
28 
29 #elif defined(__BIG_ENDIAN)
30 
31 #define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
32 
33 #ifndef find_next_zero_bit_le
34 extern unsigned long find_next_zero_bit_le(const void *addr,
35 		unsigned long size, unsigned long offset);
36 #endif
37 
38 #ifndef find_next_bit_le
39 extern unsigned long find_next_bit_le(const void *addr,
40 		unsigned long size, unsigned long offset);
41 #endif
42 
43 #ifndef find_first_zero_bit_le
44 #define find_first_zero_bit_le(addr, size) \
45 	find_next_zero_bit_le((addr), (size), 0)
46 #endif
47 
48 #else
49 #error "Please fix <asm/byteorder.h>"
50 #endif
51 
52 static inline int test_bit_le(int nr, const void *addr)
53 {
54 	return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
55 }
56 
57 static inline void set_bit_le(int nr, void *addr)
58 {
59 	set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
60 }
61 
62 static inline void clear_bit_le(int nr, void *addr)
63 {
64 	clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
65 }
66 
67 static inline void __set_bit_le(int nr, void *addr)
68 {
69 	__set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
70 }
71 
72 static inline void __clear_bit_le(int nr, void *addr)
73 {
74 	__clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
75 }
76 
77 static inline int test_and_set_bit_le(int nr, void *addr)
78 {
79 	return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
80 }
81 
82 static inline int test_and_clear_bit_le(int nr, void *addr)
83 {
84 	return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
85 }
86 
87 static inline int __test_and_set_bit_le(int nr, void *addr)
88 {
89 	return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
90 }
91 
92 static inline int __test_and_clear_bit_le(int nr, void *addr)
93 {
94 	return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
95 }
96 
97 #endif /* _ASM_GENERIC_BITOPS_LE_H_ */
98