base/include/asm-ppc/rtai_atomic.h File Reference

Go to the source code of this file.

Data Structures
struct	atomic_t
Defines
#define	SMP_SYNC   ""
#define	SMP_ISYNC
#define	PPC405_ERR77(ra, rb)
#define	atomic_dec_and_test(v)   (atomic_dec_return((v)) == 0)
#define	__HAVE_ARCH_CMPXCHG   1
#define	cmpxchg(ptr, o, n)
Functions
static __inline__ void	atomic_inc (atomic_t *v)
static __inline__ int	atomic_dec_return (atomic_t *v)
static __inline__ unsigned long	__cmpxchg_u32 (volatile int *p, int old, int new)
static __inline__ unsigned long	__cmpxchg (volatile void *ptr, unsigned long old, unsigned long new, int size)
static __inline__ unsigned long	atomic_cmpxchg (void *ptr, unsigned long o, unsigned long n)

---

Define Documentation

#define __HAVE_ARCH_CMPXCHG   1

Definition at line 95 of file rtai_atomic.h.

#define atomic_dec_and_test

(

v

)

(atomic_dec_return((v)) == 0)

Definition at line 93 of file rtai_atomic.h.

#define cmpxchg	(	ptr,
		o,
		n		)

Value:

({                                   \
     __typeof__(*(ptr)) _o_ = (o);                   \
     __typeof__(*(ptr)) _n_ = (n);                   \
     (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_,       \
                    (unsigned long)_n_, sizeof(*(ptr))); \
  })

Definition at line 134 of file rtai_atomic.h.

Referenced by atomic_cmpxchg(), rt_spl_lock(), rt_spl_lock_if(), rt_spl_lock_timed(), and soft_rt_socket().

#define PPC405_ERR77	(	ra,
		rb		)

Definition at line 57 of file rtai_atomic.h.

Referenced by __cmpxchg_u32(), atomic_dec_return(), and atomic_inc().

#define SMP_ISYNC

Definition at line 48 of file rtai_atomic.h.

Referenced by atomic_dec_return().

#define SMP_SYNC   ""

Definition at line 47 of file rtai_atomic.h.

---

Function Documentation

static __inline__ unsigned long __cmpxchg	(	volatile void *	ptr,
		unsigned long	old,
		unsigned long	new,
		int	size
	)			[static]

Definition at line 121 of file rtai_atomic.h.

References __cmpxchg_u32().

Here is the call graph for this function:

static __inline__ unsigned long __cmpxchg_u32	(	volatile int *	p,
		int	old,
		int	new
	)			[static]

Definition at line 98 of file rtai_atomic.h.

References __asm__(), and PPC405_ERR77.

Referenced by __cmpxchg().

Here is the call graph for this function:

static __inline__ unsigned long atomic_cmpxchg	(	void *	ptr,
		unsigned long	o,
		unsigned long	n
	)			[static]

Definition at line 142 of file rtai_atomic.h.

References cmpxchg.

static __inline__ int atomic_dec_return

(

atomic_t *

v

)

[static]

Definition at line 75 of file rtai_atomic.h.

References __asm__(), atomic_t::counter, PPC405_ERR77, and SMP_ISYNC.

Here is the call graph for this function:

static __inline__ void atomic_inc

(

atomic_t *

v

)

[static]

Definition at line 60 of file rtai_atomic.h.

References __asm__(), atomic_t::counter, and PPC405_ERR77.

Here is the call graph for this function:

---