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#ifndef __ASM_SH_ATOMIC_IRQ_H
#define __ASM_SH_ATOMIC_IRQ_H
#include <linux/irqflags.h>
/*
* To get proper branch prediction for the main line, we must branch
* forward to code at the end of this object's .text section, then
* branch back to restart the operation.
*/
static inline void atomic_add(int i, atomic_t *v)
{
unsigned long flags;
raw_local_irq_save(flags);
v->counter += i;
raw_local_irq_restore(flags);
}
static inline void atomic_sub(int i, atomic_t *v)
{
unsigned long flags;
raw_local_irq_save(flags);
v->counter -= i;
raw_local_irq_restore(flags);
}
static inline int atomic_add_return(int i, atomic_t *v)
{
unsigned long temp, flags;
raw_local_irq_save(flags);
temp = v->counter;
temp += i;
v->counter = temp;
raw_local_irq_restore(flags);
return temp;
}
static inline int atomic_sub_return(int i, atomic_t *v)
{
unsigned long temp, flags;
raw_local_irq_save(flags);
temp = v->counter;
temp -= i;
v->counter = temp;
raw_local_irq_restore(flags);
return temp;
}
static inline void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
unsigned long flags;
raw_local_irq_save(flags);
v->counter &= ~mask;
raw_local_irq_restore(flags);
}
static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
{
unsigned long flags;
raw_local_irq_save(flags);
v->counter |= mask;
raw_local_irq_restore(flags);
}
#endif /* __ASM_SH_ATOMIC_IRQ_H */