ia64/linux-2.6.18-xen.hg

view include/asm-generic/bitops/le.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 831230e53067
children
line source
1 #ifndef _ASM_GENERIC_BITOPS_LE_H_
2 #define _ASM_GENERIC_BITOPS_LE_H_
4 #include <asm/types.h>
5 #include <asm/byteorder.h>
7 #define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
8 #define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
10 #if defined(__LITTLE_ENDIAN)
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)
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)
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)
22 #define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset)
24 #elif defined(__BIG_ENDIAN)
26 #define generic_test_le_bit(nr, addr) \
27 test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
28 #define generic___set_le_bit(nr, addr) \
29 __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
30 #define generic___clear_le_bit(nr, addr) \
31 __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
33 #define generic_test_and_set_le_bit(nr, addr) \
34 test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
35 #define generic_test_and_clear_le_bit(nr, addr) \
36 test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
38 #define generic___test_and_set_le_bit(nr, addr) \
39 __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
40 #define generic___test_and_clear_le_bit(nr, addr) \
41 __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
43 extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
44 unsigned long size, unsigned long offset);
46 #else
47 #error "Please fix <asm/byteorder.h>"
48 #endif
50 #define generic_find_first_zero_le_bit(addr, size) \
51 generic_find_next_zero_le_bit((addr), (size), 0)
53 #endif /* _ASM_GENERIC_BITOPS_LE_H_ */