diff options
Diffstat (limited to 'arch/sparc/lib')
-rw-r--r-- | arch/sparc/lib/atomic32.c | 22 | ||||
-rw-r--r-- | arch/sparc/lib/atomic_64.S | 6 | ||||
-rw-r--r-- | arch/sparc/lib/ksyms.c | 3 |
3 files changed, 28 insertions, 3 deletions
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index 71cd65ab2..b9d63c0a7 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -27,22 +27,38 @@ static DEFINE_SPINLOCK(dummy); #endif /* SMP */ -#define ATOMIC_OP(op, cop) \ +#define ATOMIC_OP_RETURN(op, c_op) \ int atomic_##op##_return(int i, atomic_t *v) \ { \ int ret; \ unsigned long flags; \ spin_lock_irqsave(ATOMIC_HASH(v), flags); \ \ - ret = (v->counter cop i); \ + ret = (v->counter c_op i); \ \ spin_unlock_irqrestore(ATOMIC_HASH(v), flags); \ return ret; \ } \ EXPORT_SYMBOL(atomic_##op##_return); -ATOMIC_OP(add, +=) +#define ATOMIC_OP(op, c_op) \ +void atomic_##op(int i, atomic_t *v) \ +{ \ + unsigned long flags; \ + spin_lock_irqsave(ATOMIC_HASH(v), flags); \ + \ + v->counter c_op i; \ + \ + spin_unlock_irqrestore(ATOMIC_HASH(v), flags); \ +} \ +EXPORT_SYMBOL(atomic_##op); + +ATOMIC_OP_RETURN(add, +=) +ATOMIC_OP(and, &=) +ATOMIC_OP(or, |=) +ATOMIC_OP(xor, ^=) +#undef ATOMIC_OP_RETURN #undef ATOMIC_OP int atomic_xchg(atomic_t *v, int new) diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S index 05dac4390..d6b0363f3 100644 --- a/arch/sparc/lib/atomic_64.S +++ b/arch/sparc/lib/atomic_64.S @@ -47,6 +47,9 @@ ENDPROC(atomic_##op##_return); ATOMIC_OPS(add) ATOMIC_OPS(sub) +ATOMIC_OP(and) +ATOMIC_OP(or) +ATOMIC_OP(xor) #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN @@ -84,6 +87,9 @@ ENDPROC(atomic64_##op##_return); ATOMIC64_OPS(add) ATOMIC64_OPS(sub) +ATOMIC64_OP(and) +ATOMIC64_OP(or) +ATOMIC64_OP(xor) #undef ATOMIC64_OPS #undef ATOMIC64_OP_RETURN diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 8069ce12f..8eb454cfe 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -111,6 +111,9 @@ EXPORT_SYMBOL(atomic64_##op##_return); ATOMIC_OPS(add) ATOMIC_OPS(sub) +ATOMIC_OP(and) +ATOMIC_OP(or) +ATOMIC_OP(xor) #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN |