diff -r 86f099bda525 -r 8f2be7aaec00 src/TARGET_STM32F303xE/device/cmsis_nvic.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/TARGET_STM32F303xE/device/cmsis_nvic.h	Thu Oct 15 01:12:31 2020 +0200
@@ -0,0 +1,41 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2014, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#ifndef MBED_CMSIS_NVIC_H
+#define MBED_CMSIS_NVIC_H
+
+// STM32F303RE
+// CORE: 16 vectors = 64 bytes from 0x00 to 0x3F
+// MCU Peripherals: 85 vectors = 340 bytes from 0x40 to 0x193
+// Total: 101 vectors = 404 bytes (0x194) to be reserved in RAM
+#define NVIC_NUM_VECTORS        101
+#define NVIC_RAM_VECTOR_ADDRESS 0x20000000    // Vectors positioned at start of RAM
+
+#endif