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-rw-r--r--include/asm-generic/bitops/atomic.h27
-rw-r--r--include/asm-generic/bitops/non-atomic.h29
-rw-r--r--include/linux/bitops.h8
-rw-r--r--include/linux/types.h3
4 files changed, 33 insertions, 34 deletions
diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index cd8a964..4657f3e 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -3,9 +3,6 @@
#include <asm/types.h>
-#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
-#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
-
#ifdef CONFIG_SMP
#include <asm/spinlock.h>
#include <asm/cache.h> /* we use L1_CACHE_BYTES */
@@ -66,8 +63,8 @@ extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
*/
static inline void set_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long flags;
_atomic_spin_lock_irqsave(p, flags);
@@ -87,8 +84,8 @@ static inline void set_bit(int nr, volatile unsigned long *addr)
*/
static inline void clear_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long flags;
_atomic_spin_lock_irqsave(p, flags);
@@ -108,8 +105,8 @@ static inline void clear_bit(int nr, volatile unsigned long *addr)
*/
static inline void change_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long flags;
_atomic_spin_lock_irqsave(p, flags);
@@ -128,8 +125,8 @@ static inline void change_bit(int nr, volatile unsigned long *addr)
*/
static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old;
unsigned long flags;
@@ -152,8 +149,8 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr)
*/
static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old;
unsigned long flags;
@@ -175,8 +172,8 @@ static inline int test_and_clear_bit(int nr, volatile unsigned long *addr)
*/
static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old;
unsigned long flags;
diff --git a/include/asm-generic/bitops/non-atomic.h b/include/asm-generic/bitops/non-atomic.h
index 46a825c..697cc2b 100644
--- a/include/asm-generic/bitops/non-atomic.h
+++ b/include/asm-generic/bitops/non-atomic.h
@@ -3,9 +3,6 @@
#include <asm/types.h>
-#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
-#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG)
-
/**
* __set_bit - Set a bit in memory
* @nr: the bit to set
@@ -17,16 +14,16 @@
*/
static inline void __set_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
*p |= mask;
}
static inline void __clear_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
*p &= ~mask;
}
@@ -42,8 +39,8 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr)
*/
static inline void __change_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
*p ^= mask;
}
@@ -59,8 +56,8 @@ static inline void __change_bit(int nr, volatile unsigned long *addr)
*/
static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old = *p;
*p = old | mask;
@@ -78,8 +75,8 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
*/
static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old = *p;
*p = old & ~mask;
@@ -90,8 +87,8 @@ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
static inline int __test_and_change_bit(int nr,
volatile unsigned long *addr)
{
- unsigned long mask = BITOP_MASK(nr);
- unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
+ unsigned long mask = BIT_MASK(nr);
+ unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
unsigned long old = *p;
*p = old ^ mask;
@@ -105,7 +102,7 @@ static inline int __test_and_change_bit(int nr,
*/
static inline int test_bit(int nr, const volatile unsigned long *addr)
{
- return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
+ return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
}
#endif /* _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ */
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index b9fb8ee..939e80b 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -2,6 +2,14 @@
#define _LINUX_BITOPS_H
#include <asm/types.h>
+#ifdef __KERNEL__
+#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
+#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
+#define BITS_TO_TYPE(nr, t) (((nr)+(t)-1)/(t))
+#define BITS_TO_LONGS(nr) BITS_TO_TYPE(nr, BITS_PER_LONG)
+#define BITS_PER_BYTE 8
+#endif
+
/*
* Include this here because some architectures need generic_ffs/fls in
* scope
diff --git a/include/linux/types.h b/include/linux/types.h
index 0351bf2..4f0dad2 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -3,12 +3,9 @@
#ifdef __KERNEL__
-#define BITS_TO_LONGS(bits) \
- (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG)
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
-#define BITS_PER_BYTE 8
#endif
#include <linux/posix_types.h>
generated by cgit v1.1 at 2024-10-30 01:58:12 +0000