X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Farm.h;fp=urcu%2Farch%2Farm.h;h=b49f7821052b5e00d0fd30d09145d72c95bc970a;hp=0000000000000000000000000000000000000000;hb=1b9119f8d4c3f40a61d4ee5403f0e7e5967c33d8;hpb=af7c2dbeac32c663b64ad05e4eca70e18784463b

diff --git a/urcu/arch/arm.h b/urcu/arch/arm.h
new file mode 100644
index 0000000..b49f782
--- /dev/null
+++ b/urcu/arch/arm.h
@@ -0,0 +1,60 @@
+#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>
+
+#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>
+
+typedef unsigned long long cycles_t;
+
+static inline cycles_t caa_get_cycles (void)
+{
+	cycles_t thetime;
+	struct timeval tv;
+
+	if (gettimeofday(&tv, NULL) != 0)
+		return 0;
+	thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec);
+	return (cycles_t)thetime;
+}
+
+#ifdef __cplusplus 
+}
+#endif
+
+#include <urcu/arch/generic.h>
+
+#endif /* _URCU_ARCH_ARM_H */