@@ -1524,3 +1524,9 @@
#ifdef TARGET_NR_pipe2
{ TARGET_NR_pipe2, "pipe2", NULL, NULL, NULL },
#endif
+#ifdef TARGET_NR_atomic_cmpxchg_32
+{ TARGET_NR_atomic_cmpxchg_32, "atomic_cmpxchg_32", NULL, NULL, NULL },
+#endif
+#ifdef TARGET_NR_atomic_barrier
+{ TARGET_NR_atomic_barrier, "atomic_barrier", NULL, NULL, NULL },
+#endif
@@ -8990,6 +8990,26 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
}
#endif
+#ifdef TARGET_NR_atomic_cmpxchg_32
+ case TARGET_NR_atomic_cmpxchg_32:
+ {
+ /* should use start_exclusive from main.c */
+ abi_ulong mem_value;
+ if (get_user_u32(mem_value, arg6))
+ ret = -TARGET_EFAULT;
+ if (mem_value == arg2)
+ put_user_u32(arg1, arg6);
+ ret = mem_value;
+ break;
+ }
+#endif
+#ifdef TARGET_NR_atomic_barrier
+ case TARGET_NR_atomic_barrier:
+ {
+ /* Like the kernel implementation and the qemu arm barrier, no-op this? */
+ break;
+ }
+#endif
default:
unimplemented:
gemu_log("qemu: Unsupported syscall: %d\n", num);