mirror of https://gitee.com/openkylin/linux.git
asm-generic: rename generic little-endian bitops functions
As a preparation for providing little-endian bitops for all architectures, This renames generic implementation of little-endian bitops. (remove "generic_" prefix and postfix "_le") s/generic_find_next_le_bit/find_next_bit_le/ s/generic_find_next_zero_le_bit/find_next_zero_bit_le/ s/generic_find_first_zero_le_bit/find_first_zero_bit_le/ s/generic___test_and_set_le_bit/__test_and_set_bit_le/ s/generic___test_and_clear_le_bit/__test_and_clear_bit_le/ s/generic_test_le_bit/test_bit_le/ s/generic___set_le_bit/__set_bit_le/ s/generic___clear_le_bit/__clear_bit_le/ s/generic_test_and_set_le_bit/test_and_set_bit_le/ s/generic_test_and_clear_le_bit/test_and_clear_bit_le/ Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Andreas Schwab <schwab@linux-m68k.org> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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c4945b9ed4
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@ -58,8 +58,8 @@ EXPORT_SYMBOL(find_first_zero_bit);
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EXPORT_SYMBOL(find_next_zero_bit);
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EXPORT_SYMBOL(find_first_bit);
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EXPORT_SYMBOL(find_next_bit);
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EXPORT_SYMBOL(generic_find_next_le_bit);
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EXPORT_SYMBOL(generic_find_next_zero_le_bit);
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EXPORT_SYMBOL(find_next_bit_le);
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EXPORT_SYMBOL(find_next_zero_bit_le);
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/* I/O primitives (lib/io-*.S) */
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EXPORT_SYMBOL(__raw_readsb);
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@ -123,7 +123,7 @@ ENTRY(find_next_bit)
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brgt 1b
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retal r11
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ENTRY(generic_find_next_le_bit)
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ENTRY(find_next_bit_le)
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lsr r8, r10, 5
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sub r9, r11, r10
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retle r11
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@ -153,7 +153,7 @@ ENTRY(generic_find_next_le_bit)
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brgt 1b
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retal r11
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ENTRY(generic_find_next_zero_le_bit)
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ENTRY(find_next_zero_bit_le)
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lsr r8, r10, 5
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sub r9, r11, r10
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retle r11
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@ -366,9 +366,9 @@ static inline int minix_test_bit(int nr, const void *vaddr)
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#define ext2_clear_bit(nr, addr) __test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
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#define ext2_clear_bit_atomic(lock, nr, addr) test_and_clear_bit((nr) ^ 24, (unsigned long *)(addr))
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#define ext2_find_next_zero_bit(addr, size, offset) \
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generic_find_next_zero_le_bit((unsigned long *)addr, size, offset)
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find_next_zero_bit_le((unsigned long *)addr, size, offset)
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#define ext2_find_next_bit(addr, size, offset) \
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generic_find_next_le_bit((unsigned long *)addr, size, offset)
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find_next_bit_le((unsigned long *)addr, size, offset)
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static inline int ext2_test_bit(int nr, const void *vaddr)
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{
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@ -398,7 +398,7 @@ static inline int ext2_find_first_zero_bit(const void *vaddr, unsigned size)
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return (p - addr) * 32 + res;
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}
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static inline unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
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static inline unsigned long find_next_zero_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset)
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{
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const unsigned long *p = addr + (offset >> 5);
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@ -440,7 +440,7 @@ static inline int ext2_find_first_bit(const void *vaddr, unsigned size)
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return (p - addr) * 32 + res;
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}
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static inline unsigned long generic_find_next_le_bit(const unsigned long *addr,
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static inline unsigned long find_next_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset)
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{
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const unsigned long *p = addr + (offset >> 5);
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@ -325,7 +325,7 @@ static __inline__ unsigned long ext2_find_next_zero_bit(void *addr, unsigned lon
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}
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#define ext2_find_next_bit(addr, size, off) \
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generic_find_next_le_bit((unsigned long *)(addr), (size), (off))
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find_next_bit_le((unsigned long *)(addr), (size), (off))
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#include <asm-generic/bitops/minix.h>
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#endif /* __KERNEL__ */
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@ -303,11 +303,12 @@ static __inline__ int test_le_bit(unsigned long nr,
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#define __test_and_clear_le_bit(nr, addr) \
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__test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define find_first_zero_le_bit(addr, size) generic_find_next_zero_le_bit((addr), (size), 0)
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unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
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#define find_first_zero_bit_le(addr, size) \
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find_next_zero_bit_le((addr), (size), 0)
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unsigned long find_next_zero_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset);
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unsigned long generic_find_next_le_bit(const unsigned long *addr,
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unsigned long find_next_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset);
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/* Bitmap functions for the ext2 filesystem */
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@ -324,12 +325,12 @@ unsigned long generic_find_next_le_bit(const unsigned long *addr,
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#define ext2_test_bit(nr, addr) test_le_bit((nr),(unsigned long*)addr)
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#define ext2_find_first_zero_bit(addr, size) \
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find_first_zero_le_bit((unsigned long*)addr, size)
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find_first_zero_bit_le((unsigned long*)addr, size)
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#define ext2_find_next_zero_bit(addr, size, off) \
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generic_find_next_zero_le_bit((unsigned long*)addr, size, off)
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find_next_zero_bit_le((unsigned long *)addr, size, off)
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#define ext2_find_next_bit(addr, size, off) \
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generic_find_next_le_bit((unsigned long *)addr, size, off)
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find_next_bit_le((unsigned long *)addr, size, off)
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/* Bitmap functions for the minix filesystem. */
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#define minix_test_and_set_bit(nr,addr) \
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@ -342,7 +343,7 @@ unsigned long generic_find_next_le_bit(const unsigned long *addr,
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test_le_bit(nr, (unsigned long *)addr)
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#define minix_find_first_zero_bit(addr,size) \
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find_first_zero_le_bit((unsigned long *)addr, size)
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find_first_zero_bit_le((unsigned long *)addr, size)
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#include <asm-generic/bitops/sched.h>
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@ -4,17 +4,17 @@
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#include <asm-generic/bitops/le.h>
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#define ext2_set_bit(nr,addr) \
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generic___test_and_set_le_bit((nr),(unsigned long *)(addr))
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__test_and_set_bit_le((nr), (unsigned long *)(addr))
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#define ext2_clear_bit(nr,addr) \
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generic___test_and_clear_le_bit((nr),(unsigned long *)(addr))
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__test_and_clear_bit_le((nr), (unsigned long *)(addr))
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#define ext2_test_bit(nr,addr) \
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generic_test_le_bit((nr),(unsigned long *)(addr))
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test_bit_le((nr), (unsigned long *)(addr))
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#define ext2_find_first_zero_bit(addr, size) \
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generic_find_first_zero_le_bit((unsigned long *)(addr), (size))
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find_first_zero_bit_le((unsigned long *)(addr), (size))
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#define ext2_find_next_zero_bit(addr, size, off) \
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generic_find_next_zero_le_bit((unsigned long *)(addr), (size), (off))
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find_next_zero_bit_le((unsigned long *)(addr), (size), (off))
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#define ext2_find_next_bit(addr, size, off) \
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generic_find_next_le_bit((unsigned long *)(addr), (size), (off))
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find_next_bit_le((unsigned long *)(addr), (size), (off))
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#endif /* _ASM_GENERIC_BITOPS_EXT2_NON_ATOMIC_H_ */
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@ -8,44 +8,44 @@
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#define BITOP_LE_SWIZZLE 0
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#define generic_find_next_zero_le_bit(addr, size, offset) \
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#define find_next_zero_bit_le(addr, size, offset) \
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find_next_zero_bit(addr, size, offset)
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#define generic_find_next_le_bit(addr, size, offset) \
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#define find_next_bit_le(addr, size, offset) \
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find_next_bit(addr, size, offset)
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#define generic_find_first_zero_le_bit(addr, size) \
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#define find_first_zero_bit_le(addr, size) \
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find_first_zero_bit(addr, size)
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#elif defined(__BIG_ENDIAN)
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#define BITOP_LE_SWIZZLE ((BITS_PER_LONG-1) & ~0x7)
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extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
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extern unsigned long find_next_zero_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset);
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extern unsigned long generic_find_next_le_bit(const unsigned long *addr,
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extern unsigned long find_next_bit_le(const unsigned long *addr,
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unsigned long size, unsigned long offset);
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#define generic_find_first_zero_le_bit(addr, size) \
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generic_find_next_zero_le_bit((addr), (size), 0)
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#define find_first_zero_bit_le(addr, size) \
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find_next_zero_bit_le((addr), (size), 0)
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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#define generic_test_le_bit(nr, addr) \
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#define test_bit_le(nr, addr) \
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test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic___set_le_bit(nr, addr) \
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#define __set_bit_le(nr, addr) \
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__set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic___clear_le_bit(nr, addr) \
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#define __clear_bit_le(nr, addr) \
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__clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic_test_and_set_le_bit(nr, addr) \
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#define test_and_set_bit_le(nr, addr) \
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test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic_test_and_clear_le_bit(nr, addr) \
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#define test_and_clear_bit_le(nr, addr) \
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test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic___test_and_set_le_bit(nr, addr) \
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#define __test_and_set_bit_le(nr, addr) \
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__test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#define generic___test_and_clear_le_bit(nr, addr) \
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#define __test_and_clear_bit_le(nr, addr) \
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__test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
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#endif /* _ASM_GENERIC_BITOPS_LE_H_ */
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@ -4,14 +4,14 @@
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#include <asm-generic/bitops/le.h>
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#define minix_test_and_set_bit(nr,addr) \
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generic___test_and_set_le_bit((nr),(unsigned long *)(addr))
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__test_and_set_bit_le((nr), (unsigned long *)(addr))
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#define minix_set_bit(nr,addr) \
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generic___set_le_bit((nr),(unsigned long *)(addr))
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__set_bit_le((nr), (unsigned long *)(addr))
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#define minix_test_and_clear_bit(nr,addr) \
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generic___test_and_clear_le_bit((nr),(unsigned long *)(addr))
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__test_and_clear_bit_le((nr), (unsigned long *)(addr))
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#define minix_test_bit(nr,addr) \
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generic_test_le_bit((nr),(unsigned long *)(addr))
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test_bit_le((nr), (unsigned long *)(addr))
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#define minix_find_first_zero_bit(addr,size) \
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generic_find_first_zero_le_bit((unsigned long *)(addr),(size))
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find_first_zero_bit_le((unsigned long *)(addr), (size))
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#endif /* _ASM_GENERIC_BITOPS_MINIX_LE_H_ */
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@ -185,7 +185,7 @@ static inline unsigned long ext2_swab(const unsigned long y)
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#endif
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}
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unsigned long generic_find_next_zero_le_bit(const unsigned long *addr, unsigned
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unsigned long find_next_zero_bit_le(const unsigned long *addr, unsigned
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long size, unsigned long offset)
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{
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const unsigned long *p = addr + BITOP_WORD(offset);
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found_middle_swap:
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return result + ffz(ext2_swab(tmp));
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}
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EXPORT_SYMBOL(find_next_zero_bit_le);
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EXPORT_SYMBOL(generic_find_next_zero_le_bit);
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unsigned long generic_find_next_le_bit(const unsigned long *addr, unsigned
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unsigned long find_next_bit_le(const unsigned long *addr, unsigned
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long size, unsigned long offset)
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{
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const unsigned long *p = addr + BITOP_WORD(offset);
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found_middle_swap:
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return result + __ffs(ext2_swab(tmp));
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}
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EXPORT_SYMBOL(generic_find_next_le_bit);
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EXPORT_SYMBOL(find_next_bit_le);
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#endif /* __BIG_ENDIAN */
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