Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
8#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
9
10#if defined(__LITTLE_ENDIAN)
11
12#define generic_test_le_bit(nr, addr) test_bit(nr, addr)
13#define generic___set_le_bit(nr, addr) __set_bit(nr, addr)
14#define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr)
15
16#define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr)
17#define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr)
18
19#define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr)
20#define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr)
21
22#define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset)
23#define generic_find_next_le_bit(addr, size, offset) \
24 find_next_bit(addr, size, offset)
25
26#elif defined(__BIG_ENDIAN)
27
28#define generic_test_le_bit(nr, addr) \
29 test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
30#define generic___set_le_bit(nr, addr) \
31 __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
32#define generic___clear_le_bit(nr, addr) \
33 __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
34
35#define generic_test_and_set_le_bit(nr, addr) \
36 test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
37#define generic_test_and_clear_le_bit(nr, addr) \
38 test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
39
40#define generic___test_and_set_le_bit(nr, addr) \
41 __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
42#define generic___test_and_clear_le_bit(nr, addr) \
43 __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
44
45extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
46 unsigned long size, unsigned long offset);
47extern unsigned long generic_find_next_le_bit(const unsigned long *addr,
48 unsigned long size, unsigned long offset);
49
50#else
51#error "Please fix <asm/byteorder.h>"
52#endif
53
54#define generic_find_first_zero_le_bit(addr, size) \
55 generic_find_next_zero_le_bit((addr), (size), 0)
56
57#endif /* _ASM_GENERIC_BITOPS_LE_H_ */