Import Mbed OS hard-float snapshot

targets/TARGET_Maxim/TARGET_MAX32620C/device/device_nvic.c

@@ -0,0 +1,24 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017 ARM 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.
+ */
+#include "cmsis.h"
+#include "mbed_toolchain.h"
+
+/* RAM vector_table needs to be aligned with the size of the vector table */
+/* TODO: Use MXC_IRQ_COUNT to automatically set this alignment per DUI0553A 4.3.4 */
+/*       Vector Table Offset which requires the next-power-of-two alignment. This */
+/*       can be calculated by 4*pow(2,ceil(log2(MXC_IRQ_COUNT))) */
+MBED_ALIGN(512)
+void (*ramVectorTable[MXC_IRQ_COUNT])(void);