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Merge pull request #3083 from haukepetersen/fix_saml21_startup
cpu/saml21: fixed and cleaned up startup.c
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commit
f9b00c4257
@ -50,13 +50,23 @@ extern "C" {
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#endif
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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/**
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* @brief CPUID_ID_LEN length of cpuid in bytes
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*/
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#define CPUID_ID_LEN (16) /* 128 bits long, 16 bytes long */
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/**
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* @brief Definition of different panic modes
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*/
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typedef enum {
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NMI_HANDLER, /**< non maskable interrupt */
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HARD_FAULT, /**< hard fault */
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DUMMY_HANDLER /**< dummy interrupt handler */
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} panic_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CPU_CONF_H */
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/** @} */
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@ -1,7 +1,7 @@
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/*
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* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
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* 2015 FreshTemp, LLC.
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* 2014 Freie Universität Berlin
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* 2014-2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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@ -17,12 +17,14 @@
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*
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* @author Thomas Eichinger <thomas.eichinger@fu-berlin.de>
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* @author Kaspar Schleiser <kaspar@schleiser.de>
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <stdint.h>
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#include "panic.h"
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/**
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* memory markers as defined in the linker script
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@ -37,7 +39,6 @@ extern uint32_t _ezero;
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extern uint32_t _sstack;
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extern uint32_t _estack;
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/**
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* @brief functions for initializing the board, std-lib and kernel
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*/
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@ -79,102 +80,80 @@ void reset_handler(void)
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kernel_init();
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}
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void isr_nmi(void)
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{
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core_panic(NMI_HANDLER, "NMI HANDLER");
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}
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void isr_hard_fault(void)
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{
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core_panic(HARD_FAULT, "HARD FAULT");
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}
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/**
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* @brief Default handler is called in case no interrupt handler was defined
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*/
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void dummy_handler(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_nmi(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_mem_manage(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_debug_mon(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_hard_fault(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_bus_fault(void)
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{
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while (1) {asm ("nop");}
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}
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void isr_usage_fault(void)
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{
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while (1) {asm ("nop");}
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core_panic(DUMMY_HANDLER, "DUMMY HANDLER");
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}
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/* Cortex-M specific interrupt vectors */
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void isr_svc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_pendsv(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_systick(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_svc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_pendsv(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_systick(void) __attribute__ ((weak, alias("dummy_handler")));
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/* SAML21 specific interrupt vector */
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void isr_pm(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_wdt(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_rtc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_eic(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_nvmctrl(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dmac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_evsys(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_adc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_ac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_ptc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_aes(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_trng(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_pm(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_wdt(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_rtc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_eic(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_nvmctrl(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dmac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_evsys(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sercom5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tcc2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tc4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_adc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_ac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_ptc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_aes(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_trng(void) __attribute__ ((weak, alias("dummy_handler")));
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/* interrupt vector table */
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__attribute__ ((section(".vectors")))
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const void *interrupt_vector[] = {
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/* Stack pointer */
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(void*) (&_estack), /* pointer to the top of the empty stack */
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/* Cortex-M handlers */
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/* Cortex-M0+ handlers */
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(void*) reset_handler, /* entry point of the program */
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(void*) isr_nmi, /* non maskable interrupt handler */
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(void*) isr_hard_fault, /* if you end up here its not good */
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(void*) isr_mem_manage, /* memory controller interrupt */
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(void*) isr_bus_fault, /* also not good to end up here */
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(void*) isr_usage_fault, /* autsch */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) isr_svc, /* system call interrupt */
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(void*) isr_debug_mon, /* debug interrupt */
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(void*) (0UL), /* Reserved */
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(void*) (0UL), /* Reserved */
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(void*) isr_pendsv, /* pendSV interrupt, used for task switching in RIOT */
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(void*) isr_systick, /* SysTick interrupt, not used in RIOT */
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/* Atmel specific peripheral handlers */
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/* Atmel SAML21 specific peripheral handlers */
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(void*) isr_pm, /* 0 Power Manager */
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(void*) isr_wdt, /* 1 Watchdog Timer */
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(void*) isr_rtc, /* 2 Real-Time Counter */
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