--- /dev/null
+/*
+ * Copyright (C) 2009 Bradley Smith <brad@brad-smith.co.uk>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "../all_atomic_load_store.h"
+
+#include "../ordered.h" /* There are no multiprocessor implementations. */
+
+#include "../test_and_set_t_is_ao_t.h"
+
+AO_INLINE AO_TS_VAL_t
+AO_test_and_set_full(volatile AO_TS_t *addr)
+{
+ register long ret;
+
+ __asm__ __volatile__(
+ "xchg %[oldval], %[mem], %[newval]"
+ : [oldval] "=&r"(ret)
+ : [mem] "r"(addr), [newval] "r"(1)
+ : "memory");
+
+ return (AO_TS_VAL_t)ret;
+}
+#define AO_HAVE_test_and_set_full
+
+AO_INLINE int
+AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val)
+{
+ register long ret;
+
+ __asm__ __volatile__(
+ "1: ssrf 5\n"
+ " ld.w %[res], %[mem]\n"
+ " eor %[res], %[oldval]\n"
+ " brne 2f\n"
+ " stcond %[mem], %[newval]\n"
+ " brne 1b\n"
+ "2:\n"
+ : [res] "=&r"(ret), [mem] "=m"(*addr)
+ : "m"(*addr), [newval] "r"(new_val), [oldval] "r"(old)
+ : "cc", "memory");
+
+ return (int)ret;
+}
+#define AO_HAVE_compare_and_swap_full