Diff: mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/reloc_vector_table.c

Revision:

18:6a4db94011d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/reloc_vector_table.c	Sun May 14 23:18:57 2017 +0000
@@ -0,0 +1,76 @@
+/* 
+ * Copyright (c) 2016 Nordic Semiconductor ASA
+ * 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, except as embedded into a Nordic Semiconductor ASA 
+ *      integrated circuit in a product or a software update for such product, 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 Nordic Semiconductor ASA nor the names of its contributors may be 
+ *      used to endorse or promote products derived from this software without specific prior 
+ *      written permission.
+ *
+ *   4. This software, with or without modification, must only be used with a 
+ *      Nordic Semiconductor ASA integrated circuit.
+ *
+ *   5. Any software provided in binary or object form under this license must not be reverse 
+ *      engineered, decompiled, modified and/or disassembled. 
+ * 
+ * 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.
+ * 
+ */
+ 
+#include "nrf.h"
+#include "cmsis_nvic.h"
+#include "stdint.h"
+#include "nrf_sdm.h"
+#include "section_vars.h"
+
+#if defined(__CC_ARM)
+    __attribute__ ((section("noinit"),zero_init))
+    uint32_t nrf_dispatch_vector[NVIC_NUM_VECTORS];
+#elif defined(__GNUC__)
+    __attribute__ ((section(".noinit")))
+    uint32_t nrf_dispatch_vector[NVIC_NUM_VECTORS];
+#elif defined(__ICCARM__)
+    uint32_t nrf_dispatch_vector[NVIC_NUM_VECTORS] @ ".noinit";
+#endif
+
+
+typedef void (*generic_irq_handler_t)(void);
+
+
+extern uint32_t __Vectors[];
+#define VECTORS_FLASH_START __Vectors
+
+/**
+ * @brief Function for relocation of the vector to RAM on nRF5x devices.
+ * This function is intended to be called during startup.
+ */
+void nrf_reloc_vector_table(void)
+{
+    // Copy and switch to dynamic vectors
+	uint32_t *old_vectors = (uint32_t*)VECTORS_FLASH_START;
+	uint32_t i;
+	for (i = 0; i< NVIC_NUM_VECTORS; i++) {
+		nrf_dispatch_vector[i] = old_vectors[i];
+	}
+
+	sd_softdevice_vector_table_base_set((uint32_t) nrf_dispatch_vector);
+}