Cleanup: Re-organise source dir

[urcu.git] / include / urcu / arch / arm.h

diff --git a/include/urcu/arch/arm.h b/include/urcu/arch/arm.h
new file mode 100644 (file)
index 0000000..5cbca7d
--- /dev/null
+++ b/include/urcu/arch/arm.h
@@ -0,0 +1,56 @@
+#ifndef _URCU_ARCH_ARM_H
+#define _URCU_ARCH_ARM_H
+
+/*
+ * arch_arm.h: trivial definitions for the ARM architecture.
+ *
+ * Copyright (c) 2010 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
+
+#ifdef CONFIG_RCU_ARM_HAVE_DMB
+#define cmm_mb()       __asm__ __volatile__ ("dmb":::"memory")
+#define cmm_rmb()      __asm__ __volatile__ ("dmb":::"memory")
+#define cmm_wmb()      __asm__ __volatile__ ("dmb":::"memory")
+#endif /* CONFIG_RCU_ARM_HAVE_DMB */
+
+#include <stdlib.h>
+#include <sys/time.h>
+
+/*
+ * 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                389
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <urcu/arch/generic.h>
+
+#endif /* _URCU_ARCH_ARM_H */