+#define set_wmb(var, value) do { var = value; wmb(); } while (0)
+
+/* interrupt control.. */
+#define local_irq_enable() ({ \
+ unsigned long __dummy; \
+ __asm__ __volatile__ ( \
+ "stosm 0(%1),0x03" \
+ : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
+ })
+
+#define local_irq_disable() ({ \
+ unsigned long __flags; \
+ __asm__ __volatile__ ( \
+ "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
+ __flags; \
+ })
+
+#define local_save_flags(x) \
+ __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
+
+#define local_irq_restore(x) \
+ __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory")
+
+#define irqs_disabled() \
+({ \
+ unsigned long flags; \
+ local_save_flags(flags); \
+ !((flags >> __FLAG_SHIFT) & 3); \
+})