1 files changed, 102 insertions, 0 deletions
diff --git a/platform/linux-generic/arch/default/odp_time.c b/platform/linux-generic/arch/default/odp_time.c
new file mode 100644
index 000000000..919a3ba68
--- /dev/null
+++ b/platform/linux-generic/arch/default/odp_time.c
@@ -0,0 +1,102 @@
+/* Copyright (c) 2013-2018, Linaro Limited
+ * Copyright (c) 2020-2023, Nokia
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier:     BSD-3-Clause
+ */
+
+#include <odp_posix_extensions.h>
+
+#include <odp/api/align.h>
+#include <odp/api/hints.h>
+#include <odp/api/time_types.h>
+
+#include <odp/api/abi/time_inlines.h>
+
+#include <odp_debug_internal.h>
+#include <odp_init_internal.h>
+
+#include <stdint.h>
+#include <string.h>
+#include <time.h>
+
+typedef struct _odp_time_global_t {
+	struct timespec start_time;
+
+} _odp_time_global_t;
+
+_odp_time_global_t _odp_time_glob;
+
+static inline uint64_t time_diff_nsec(struct timespec *t2, struct timespec *t1)
+{
+	struct timespec diff;
+	uint64_t nsec;
+
+	diff.tv_sec  = t2->tv_sec  - t1->tv_sec;
+	diff.tv_nsec = t2->tv_nsec - t1->tv_nsec;
+
+	if (diff.tv_nsec < 0) {
+		diff.tv_nsec += ODP_TIME_SEC_IN_NS;
+		diff.tv_sec  -= 1;
+	}
+
+	nsec = (diff.tv_sec * ODP_TIME_SEC_IN_NS) + diff.tv_nsec;
+
+	return nsec;
+}
+
+#include <odp/visibility_begin.h>
+
+odp_time_t _odp_time_cur(void)
+{
+	int ret;
+	odp_time_t time;
+	struct timespec sys_time;
+	struct timespec *start_time = &_odp_time_glob.start_time;
+
+	ret = clock_gettime(CLOCK_MONOTONIC_RAW, &sys_time);
+	if (odp_unlikely(ret != 0))
+		_ODP_ABORT("clock_gettime() failed\n");
+
+	time.nsec = time_diff_nsec(&sys_time, start_time);
+
+	return time;
+}
+
+uint64_t _odp_time_res(void)
+{
+	int ret;
+	struct timespec tres;
+
+	ret = clock_getres(CLOCK_MONOTONIC_RAW, &tres);
+	if (odp_unlikely(ret != 0))
+		_ODP_ABORT("clock_getres() failed\n");
+
+	return ODP_TIME_SEC_IN_NS / (uint64_t)tres.tv_nsec;
+}
+
+#include <odp/visibility_end.h>
+
+int _odp_time_init_global(void)
+{
+	struct timespec *start_time;
+	int ret = 0;
+	_odp_time_global_t *global = &_odp_time_glob;
+
+	memset(global, 0, sizeof(_odp_time_global_t));
+
+	start_time = &global->start_time;
+	start_time->tv_sec  = 0;
+	start_time->tv_nsec = 0;
+
+	ret = clock_gettime(CLOCK_MONOTONIC_RAW, start_time);
+	if (ret)
+		_ODP_ERR("clock_gettime() failed: %d\n", ret);
+
+	return ret;
+}
+
+int _odp_time_term_global(void)
+{
+	return 0;
+}