Initial commit

Initial commit.

bootloader/mcuboot/boot/zephyr/include/platform-bench.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019 Linaro Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef H_ZEPHYR_BENCH_H__
+#define H_ZEPHYR_BENCH_H__
+
+#include <inttypes.h>
+#include <stdint.h>
+#include "zephyr.h"
+#include "bootutil/bootutil_log.h"
+
+/* TODO: Unclear if this can be here (redundantly). */
+BOOT_LOG_MODULE_DECLARE(mcuboot);
+
+typedef uint32_t bench_state_t;
+
+#define plat_bench_start(_s) do { \
+    BOOT_LOG_ERR("start benchmark"); \
+    *(_s) = k_cycle_get_32(); \
+} while (0)
+
+#define plat_bench_stop(_s) do { \
+    uint32_t _stop_time = k_cycle_get_32(); \
+    BOOT_LOG_ERR("bench: %" PRId32 " cycles", _stop_time - *(_s)); \
+} while (0)
+
+#endif /* not H_ZEPHYR_BENCH_H__ */