X-Git-Url: http://git.liburcu.org/?p=userspace-rcu.git;a=blobdiff_plain;f=include%2Furcu%2Farch%2Fsparc64.h;fp=include%2Furcu%2Farch%2Fsparc64.h;h=1ff40f5c4698d4d7fd693098a16aabedcf1ba45a;hp=0000000000000000000000000000000000000000;hb=6893800a4d1cc14dff0395ddcd660a5138db183d;hpb=a59f39055b5ecb77b68cf78b9839aa9e8e4ec332

diff --git a/include/urcu/arch/sparc64.h b/include/urcu/arch/sparc64.h
new file mode 100644
index 0000000..1ff40f5
--- /dev/null
+++ b/include/urcu/arch/sparc64.h
@@ -0,0 +1,62 @@
+#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>
+#include <urcu/syscall-compat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * On Linux, define the membarrier system call number if not yet available in
+ * the system headers.
+ */
+#if (defined(__linux__) && !defined(__NR_membarrier))
+#define __NR_membarrier		351
+#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")
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <urcu/arch/generic.h>
+
+#endif /* _URCU_ARCH_SPARC64_H */