X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Farch%2Faarch64.h;fp=urcu%2Farch%2Faarch64.h;h=946e1c64699f8a97e7d5d18de5b2e02aa8aed7eb;hp=0000000000000000000000000000000000000000;hb=3aea2ae08850f2f6e9ddab451e004adf78d42ddd;hpb=61126bd9c901fa403315db71d8d5351d716717cb

diff --git a/urcu/arch/aarch64.h b/urcu/arch/aarch64.h
new file mode 100644
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--- /dev/null
+++ b/urcu/arch/aarch64.h
@@ -0,0 +1,64 @@
+#ifndef _URCU_ARCH_AARCH64_H
+#define _URCU_ARCH_AARCH64_H
+
+/*
+ * arch/aarch64.h: definitions for aarch64 architecture
+ *
+ * Copyright (c) 2010 Paul E. McKenney, IBM Corporation.
+ * Copyright (c) 2009-2015 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
+
+#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;
+}
+
+/*
+ * Define the membarrier system call number if not yet available in the
+ * system headers. aarch64 implements asm-generic/unistd.h system call
+ * numbers.
+ */
+#ifndef __NR_membarrier
+#define __NR_membarrier		283
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <urcu/arch/generic.h>
+
+#endif /* _URCU_ARCH_AARCH64_H */