Headers: move arch_*.h to urcu/arch/*.h

[urcu.git] / urcu / arch / sparc64.h

diff --git a/urcu/arch/sparc64.h b/urcu/arch/sparc64.h
new file mode 100644 (file)
index 0000000..46e2665
--- /dev/null
+++ b/urcu/arch/sparc64.h
@@ -0,0 +1,60 @@
+#ifndef _URCU_ARCH_SPARC64_H
+#define _URCU_ARCH_SPARC64_H
+
+/*
+ * arch_sparc64.h: trivial definitions for the Sparc64 architecture.
+ *
+ * Copyright (c) 2009 Paul E. McKenney, IBM Corporation.
+ * Copyright (c) 2009 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <urcu/compiler.h>
+#include <urcu/config.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif 
+
+#define CAA_CACHE_LINE_SIZE    256
+
+/*
+ * Inspired from the Linux kernel. Workaround Spitfire bug #51.
+ */
+#define membar_safe(type)                      \
+__asm__ __volatile__("ba,pt %%xcc, 1f\n\t"     \
+                    "membar " type "\n"        \
+                    "1:\n"                     \
+                    : : : "memory")
+
+#define cmm_mb()       membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad")
+#define cmm_rmb()      membar_safe("#LoadLoad")
+#define cmm_wmb()      membar_safe("#StoreStore")
+
+typedef unsigned long long cycles_t;
+
+static inline cycles_t caa_get_cycles (void)
+{
+       return 0;       /* unimplemented */
+}
+
+#ifdef __cplusplus 
+}
+#endif
+
+#include <urcu/arch/generic.h>
+
+#endif /* _URCU_ARCH_SPARC64_H */