Changeset 57da95c in mainline for uspace

Timestamp:

2006-09-18T11:47:28Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

29b2bbf

Parents:

f1d1f5d3

Message:

• Create a dedicated slab cache for as_t objects and switch from malloc/free to slab_alloc/slab_free for

them.

• Slightly fix and improve both the kernel and userspace atomic_add() on sparc64.

• More TSB work on the sparc64 front.

File:

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

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

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