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>
diff --git a/source/hal/platform/mps3/source/device_mps3.c b/source/hal/platform/mps3/source/device_mps3.c
new file mode 100644
index 0000000..fa57c2e
--- /dev/null
+++ b/source/hal/platform/mps3/source/device_mps3.c
@@ -0,0 +1,43 @@
+/*
+ * 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.
+ */
+#include "device_mps3.h"
+
+#include "log_macros.h"
+#include "smm_mps3.h"
+
+#include <inttypes.h>
+
+extern uint32_t GetSystemCoreClock(void);
+
+uint32_t GetMPS3CoreClock(void)
+{
+    const uint32_t default_clock = GetSystemCoreClock();
+    static int warned_once = 0;
+    if (0 != MPS3_SCC->CFG_ACLK) {
+        if (default_clock != MPS3_SCC->CFG_ACLK) {
+            warn("System clock is different to the MPS3 config set clock.\n");
+        }
+        return MPS3_SCC->CFG_ACLK;
+    }
+
+    if (!warned_once) {
+        warn("MPS3_SCC->CFG_ACLK reads 0. Assuming default clock of %" PRIu32 "\n",
+            default_clock);
+        warned_once = 1;
+    }
+    return default_clock;
+}