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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup arm32  
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/** @addtogroup libcarm32  
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 * @{
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 * @{
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 */
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 */
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/** @file
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/** @file
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 */
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 */
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#ifndef KERN_arm32_ATOMIC_H_
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#ifndef KERN_arm32_ATOMIC_H_
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#define KERN_arm32_ATOMIC_H_
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#define KERN_arm32_ATOMIC_H_
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#define atomic_inc(x)   ((void) atomic_add(x, 1))
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#define atomic_dec(x)   ((void) atomic_add(x, -1))
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#define atomic_postinc(x) (atomic_add(x, 1) - 1)
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#define atomic_postdec(x) (atomic_add(x, -1) + 1)
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#define atomic_preinc(x) atomic_add(x, 1)
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#define atomic_predec(x) atomic_add(x, -1)
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/* Atomic addition of immediate value.
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/** Atomic addition.
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 *
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 *
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 * @param val Memory location to which will be the immediate value added.
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 * @param val "Atomic variable".
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 * @param i Signed immediate that will be added to *val.
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 * @param i Value to add.
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 *
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 *
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 * @return Value after addition.
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 * @return Value after addition.
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 */
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 */
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static inline long atomic_add(atomic_t *val, int i)
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static inline long atomic_add(atomic_t *val, int i)
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{
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{
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        : "r" (mem), "r" (i)
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        : "r" (mem), "r" (i)
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        : "r3", "r2"
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        : "r3", "r2"
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    );
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    );
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    return ret;
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    return ret;
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}  
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}
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static inline void atomic_inc(atomic_t *val) { atomic_add(val, 1); }
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static inline void atomic_dec(atomic_t *val) { atomic_add(val, -1); }
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static inline long atomic_preinc(atomic_t *val) { return atomic_add(val, 1); }
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static inline long atomic_predec(atomic_t *val) { return atomic_add(val, -1); }
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static inline long atomic_postinc(atomic_t *val) { return atomic_add(val, 1) - 1; }
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static inline long atomic_postdec(atomic_t *val) { return atomic_add(val, -1) + 1; }
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */