Changeset 69e9dd2 in mainline

Timestamp:

2007-04-06T14:36:11Z (18 years ago)

Author:

Martin Decky <martin@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

be66dee

Parents:

dd655970

Message:

fix uspace atomic_add according kernel code

File:

• uspace/libc/arch/sparc64/include/atomic.h (modified) (1 diff)

uspace/libc/arch/sparc64/include/atomic.h

@@ -52 +52 @@
 
         do {
-                a = val->count;
+                volatile uintptr_t x = (uint64_t) &val->count;
+
+                a = *((uint64_t *) x);
                 b = a + i;
-                asm volatile ("casx %0, %2, %1\n" : "+m" (*val), "+r" (b) : "r" (a));
+                asm volatile ("casx %0, %2, %1\n" : "+m" (*((uint64_t *)x)), "+r" (b) : "r" (a));
         } while (a != b);