oro_atomic.h File Reference

This graph shows which files directly or indirectly include this file:

Classes
struct	oro_atomic_t
Defines
#define	__ASM_CONST(x) x##UL
#define	__stringify_in_c(...) #__VA_ARGS__
#define	ASM_CONST(x) __ASM_CONST(x)
#define	ISYNC_ON_SMP
#define	LWSYNC sync
#define	LWSYNC_ON_SMP
#define	oro_atomic_add_negative(a, v) (oro_atomic_add_return((a), (v)) < 0)
#define	oro_atomic_add_unless(v, a, u)
#define	ORO_ATOMIC_CLEANUP(v)
#define	oro_atomic_dec_and_test(v) (oro_atomic_dec_return((v)) == 0)
#define	oro_atomic_inc_and_test(v) (oro_atomic_inc_return(v) == 0)
#define	oro_atomic_inc_not_zero(v) oro_atomic_add_unless((v), 1, 0)
#define	ORO_ATOMIC_INIT(i) { (i) }
#define	oro_atomic_oro_cmpxchg(v, o, n) ((int)oro_cmpxchg(&((v)->counter), (o), (n)))
#define	oro_atomic_read(v) ((v)->counter)
#define	oro_atomic_set(v, i) (((v)->counter) = (i))
#define	ORO_ATOMIC_SETUP oro_atomic_set
#define	oro_atomic_sub_and_test(a, v) (oro_atomic_sub_return((a), (v)) == 0)
#define	oro_atomic_xchg(v, new) (xchg(&((v)->counter), new))
#define	PPC405_ERR77(ra, rb)
#define	PPC405_ERR77_SYNC
#define	PPC_CNTLZL stringify_in_c(cntlzw)
#define	PPC_LCMPI stringify_in_c(cmpwi)
#define	PPC_LL stringify_in_c(lwz)
#define	PPC_LLARX stringify_in_c(lwarx)
#define	PPC_LONG stringify_in_c(.long)
#define	PPC_STL stringify_in_c(stw)
#define	PPC_STLCX stringify_in_c(stwcx.)
#define	PPC_TLNEI stringify_in_c(twnei)
#define	smp_mb__after_oro_atomic_dec() smp_mb()
#define	smp_mb__after_oro_atomic_inc() smp_mb()
#define	smp_mb__before_oro_atomic_dec() smp_mb()
#define	smp_mb__before_oro_atomic_inc() smp_mb()
#define	stringify_in_c(...) __stringify_in_c(__VA_ARGS__) " "
Functions
static void	eieio (void)
static void	isync (void)
static __inline__ void	oro_atomic_add (oro_atomic_t *v, int n)
static __inline__ int	oro_atomic_add_return (oro_atomic_t *v, int n)
static __inline__ void	oro_atomic_dec (oro_atomic_t *v)
static __inline__ int	oro_atomic_dec_if_positive (oro_atomic_t *v)
static __inline__ int	oro_atomic_dec_return (oro_atomic_t *v)
static __inline__ void	oro_atomic_inc (oro_atomic_t *v)
static __inline__ int	oro_atomic_inc_return (oro_atomic_t *v)
static __inline__ void	oro_atomic_sub (int a, oro_atomic_t *v)
static __inline__ int	oro_atomic_sub_return (oro_atomic_t *v, int n)

Define Documentation

#define __ASM_CONST ( x ) x##UL

Definition at line 85 of file rtt/os/oro_powerpc/oro_atomic.h.

#define __stringify_in_c ( ... ) #__VA_ARGS__

Definition at line 83 of file rtt/os/oro_powerpc/oro_atomic.h.

#define ASM_CONST ( x ) __ASM_CONST(x)

Definition at line 86 of file rtt/os/oro_powerpc/oro_atomic.h.

#define ISYNC_ON_SMP

Definition at line 62 of file rtt/os/oro_powerpc/oro_atomic.h.

#define LWSYNC sync

Definition at line 59 of file rtt/os/oro_powerpc/oro_atomic.h.

#define LWSYNC_ON_SMP

Definition at line 63 of file rtt/os/oro_powerpc/oro_atomic.h.

#define oro_atomic_add_negative	(	a,
		v		)	(oro_atomic_add_return((a), (v)) < 0)

Definition at line 160 of file rtt/os/oro_powerpc/oro_atomic.h.

#define oro_atomic_add_unless	(	v,
		a,
		u	)

Value:

({                                                      \
        int c, old;                                     \
        c = oro_atomic_read(v);                         \
        for (;;) {                                      \
                if (unlikely(c == (u)))                 \
                        break;                          \
                old = oro_atomic_oro_cmpxchg((v), c, c + (a));  \
                if (likely(old == c))                   \
                        break;                          \
                c = old;                                \
        }                                               \
        c != (u);                                       \
})

oro_atomic_add_unless - add unless the number is a given value : pointer of type oro_atomic_t : the amount to add to v... : ...unless v is equal to u.

Atomically adds to , so long as it was not . Returns non-zero if was not , and zero otherwise.

Definition at line 286 of file rtt/os/oro_powerpc/oro_atomic.h.

#define ORO_ATOMIC_CLEANUP ( v )

Definition at line 121 of file rtt/os/oro_powerpc/oro_atomic.h.

#define oro_atomic_dec_and_test ( v ) (oro_atomic_dec_return((v)) == 0)

Definition at line 303 of file rtt/os/oro_powerpc/oro_atomic.h.

#define oro_atomic_inc_and_test ( v ) (oro_atomic_inc_return(v) == 0)

Definition at line 238 of file rtt/os/oro_powerpc/oro_atomic.h.

#define oro_atomic_inc_not_zero ( v ) oro_atomic_add_unless((v), 1, 0)

Definition at line 300 of file rtt/os/oro_powerpc/oro_atomic.h.

#define ORO_ATOMIC_INIT ( i ) { (i) }

Definition at line 119 of file rtt/os/oro_powerpc/oro_atomic.h.