Remove need for volatiles in scheduler by fixing McuSleep.sleep to tell

[tinyos-2.x.git] / tos / chips / atm128 / McuSleepC.nc

diff --git a/tos/chips/atm128/McuSleepC.nc b/tos/chips/atm128/McuSleepC.nc
index 9d03201efa5f55f565fef271ad5f1393450582cb..a7c7433a24d93e6563c48a6ec9bb0df4e98b4542 100644 (file)
--- a/tos/chips/atm128/McuSleepC.nc
+++ b/tos/chips/atm128/McuSleepC.nc
@@ -102,7 +102,8 @@ implementation {
       (MCUCR & 0xe3) | 1 << SE | read_uint8_t(&atm128PowerBits[powerState]);
 
     sei();
-    asm volatile ("sleep");
+    // All of memory may change at this point...
+    asm volatile ("sleep" : : : "memory");
     cli();
   }