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DDK update - includes

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git-svn-id: svn://kolibrios.org@1970 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2011-06-24 15:16:16 +00:00
parent 6ffb5af90e
commit 99ca1d651b
23 changed files with 221 additions and 99 deletions
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15
drivers/include/linux/bitops.h
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@@ -109,6 +109,17 @@ static inline __u8 ror8(__u8 word, unsigned int shift)
return (word >> shift) | (word << (8 - shift));
}
/**
* sign_extend32 - sign extend a 32-bit value using specified bit as sign-bit
* @value: value to sign extend
* @index: 0 based bit index (0<=index<32) to sign bit
*/
static inline __s32 sign_extend32(__u32 value, int index)
{
__u8 shift = 31 - index;
return (__s32)(value << shift) >> shift;
}
static inline unsigned fls_long(unsigned long l)
{
if (sizeof(l) == 4)
@@ -137,7 +148,7 @@ static inline unsigned long __ffs64(u64 word)
#ifdef __KERNEL__
#ifdef CONFIG_GENERIC_FIND_LAST_BIT
#ifndef find_last_bit
/**
* find_last_bit - find the last set bit in a memory region
* @addr: The address to start the search at
@@ -147,7 +158,7 @@ static inline unsigned long __ffs64(u64 word)
*/
extern unsigned long find_last_bit(const unsigned long *addr,
unsigned long size);
#endif /* CONFIG_GENERIC_FIND_LAST_BIT */
#endif
#endif /* __KERNEL__ */
#endif