Port c6cc6d3a "linux-gen: time: inline arch cpu time on x86"

Signed-off-by: Matias Elo <matias.elo@nokia.com>

1 files changed, 84 insertions, 0 deletions

diff --git a/platform/linux-dpdk/include/odp/api/plat/time_inlines.h b/platform/linux-dpdk/include/odp/api/plat/time_inlines.h
new file mode 100644
index 000000000..6c14d6c40
--- /dev/null
+++ b/platform/linux-dpdk/include/odp/api/plat/time_inlines.h
@@ -0,0 +1,84 @@
+/* Copyright (c) 2018, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+#ifndef ODP_PLAT_TIME_INLINES_H_
+#define ODP_PLAT_TIME_INLINES_H_
+
+#include <stdint.h>
+
+#include <odp/api/align.h>
+
+#include <odp/api/abi/cpu_time.h>
+
+/** @cond _ODP_HIDE_FROM_DOXYGEN_ */
+
+#define _ODP_TIMESPEC_SIZE 16
+
+typedef odp_time_t (*time_cur_fn)(void);
+typedef uint64_t (*time_res_fn)(void);
+
+typedef struct time_handler_ {
+	time_cur_fn     time_cur;
+	time_res_fn     time_res;
+
+} time_handler_t;
+
+typedef struct _odp_time_global_t {
+	/* Storage space for struct timespec. Posix headers are not included
+	 * here to avoid application exposure. */
+	uint8_t ODP_ALIGNED(_ODP_TIMESPEC_SIZE) timespec[_ODP_TIMESPEC_SIZE];
+
+	int             use_hw;
+	uint64_t        hw_start;
+	uint64_t        hw_freq_hz;
+	/* DPDK specific */
+	time_handler_t  handler;
+
+} _odp_time_global_t;
+
+extern _odp_time_global_t _odp_time_glob;
+
+odp_time_t _odp_timespec_cur(void);
+
+static inline odp_time_t _odp_time_cur_gen(void)
+{
+	if (_odp_time_glob.use_hw) {
+		odp_time_t time;
+
+		time.count = _odp_cpu_global_time() - _odp_time_glob.hw_start;
+		return time;
+	}
+
+	return _odp_timespec_cur();
+}
+
+static inline odp_time_t _odp_time_cur(void)
+{
+	return _odp_time_glob.handler.time_cur();
+}
+
+#ifndef _ODP_NO_INLINE
+	/* Inline functions by default */
+	#define _ODP_INLINE static inline
+	#define odp_time_local   __odp_time_local
+	#define odp_time_global  __odp_time_global
+#else
+	#define _ODP_INLINE
+#endif
+
+_ODP_INLINE odp_time_t odp_time_local(void)
+{
+	return _odp_time_cur();
+}
+
+_ODP_INLINE odp_time_t odp_time_global(void)
+{
+	return _odp_time_cur();
+}
+
+/** @endcond */
+
+#endif