Merge branch 'next'v1.7.0.0

1 files changed, 48 insertions, 0 deletions

diff --git a/platform/linux-generic/arch/linux/odp_cpu_arch.c b/platform/linux-generic/arch/linux/odp_cpu_arch.c
new file mode 100644
index 000000000..3112d0cd0
--- /dev/null
+++ b/platform/linux-generic/arch/linux/odp_cpu_arch.c
@@ -0,0 +1,48 @@
+/* Copyright (c) 2015, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+#include <odp_posix_extensions.h>
+
+#include <stdlib.h>
+#include <time.h>
+
+#include <odp/cpu.h>
+#include <odp/hints.h>
+#include <odp/system_info.h>
+#include <odp_debug_internal.h>
+
+#define GIGA 1000000000
+
+uint64_t odp_cpu_cycles(void)
+{
+	struct timespec time;
+	uint64_t sec, ns, hz, cycles;
+	int ret;
+
+	ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time);
+
+	if (ret != 0)
+		ODP_ABORT("clock_gettime failed\n");
+
+	hz  = odp_cpu_hz_max();
+	sec = (uint64_t)time.tv_sec;
+	ns  = (uint64_t)time.tv_nsec;
+
+	cycles  = sec * hz;
+	cycles += (ns * hz) / GIGA;
+
+	return cycles;
+}
+
+uint64_t odp_cpu_cycles_max(void)
+{
+	return UINT64_MAX;
+}
+
+uint64_t odp_cpu_cycles_resolution(void)
+{
+	return 1;
+}