MLECO-2682: CMake and source refactoring.

MLECO-2930: logging macros were extracted from hal.h and used separately around the code.

MLECO-2931: arm_math lib introduced, cmsis-dsp removed from top level linkage.

MLECO-2915: platform related post-build steps.

Change-Id: Id718884e22f262a5c070ded3f3f5d4b048820147
Signed-off-by: alexander <alexander.efremov@arm.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/source/hal/include/timer.h b/source/hal/include/timer.h
new file mode 100644
index 0000000..56aad5b
--- /dev/null
+++ b/source/hal/include/timer.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 HAL_TIMER_H
+#define HAL_TIMER_H
+
+#include "hal_config.h"
+#include "platform_timer.h"
+
+/** Struct for describing the capabilities available for
+ * the timer provided by HAL */
+typedef struct _platform_timer_capability {
+    uint32_t npu_cycles:    1;
+    uint32_t cpu_cycles:    1;
+    uint32_t duration_ms:   1;
+    uint32_t duration_us:   1;
+} timer_capability;
+
+/* Structure to hold a platform specific timer implementation */
+typedef struct _platform_timer {
+    int inited;                 /**< initialised or not */
+    timer_capability cap;       /**< capability of this timer */
+
+    /* reset the timer */
+    void (* reset)(void);
+
+    /* Gets the current time counter. */
+    time_counter (* get_time_counter)(void);
+
+    /* Gets the duration in milliseconds. */
+    time_t (* get_duration_ms)(time_counter *start, time_counter *end);
+
+    /* Gets duration in microseconds. */
+    time_t (* get_duration_us)(time_counter *start, time_counter *end);
+
+    /* Gets difference in CPU cycle counts. */
+    uint64_t (* get_cpu_cycle_diff)(time_counter *start, time_counter *end);
+
+    /* Gets the difference in terms of cycle counts for collected pmu counters. */
+    int (* get_npu_cycles_diff)(time_counter *start, time_counter *end,
+                                uint64_t* pmu_counters_values, size_t size);
+
+    /* Wraps get_time_counter function with additional profiling
+     * initialisation, if required. */
+    time_counter (* start_profiling)(void);
+
+    /* Wraps get_time_counter function along with additional instructions when
+     * profiling ends, if required. */
+    time_counter (* stop_profiling)(void);
+
+} platform_timer;
+
+/**
+ * @brief   Initialise the timer available for the platform.
+ **/
+void init_timer(platform_timer *timer);
+
+#endif /* HAL_TIMER_H */