125 lines
4.3 KiB
C
125 lines
4.3 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
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// Copyright (c) 2016, Alex Taradov <alex@taradov.com>. All rights reserved.
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//-----------------------------------------------------------------------------
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#include "samd11.h"
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//-----------------------------------------------------------------------------
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#define DUMMY __attribute__ ((weak, alias ("irq_handler_dummy")))
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//-----------------------------------------------------------------------------
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void irq_handler_reset(void);
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DUMMY void irq_handler_nmi(void);
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DUMMY void irq_handler_hard_fault(void);
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DUMMY void irq_handler_sv_call(void);
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DUMMY void irq_handler_pend_sv(void);
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DUMMY void irq_handler_sys_tick(void);
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DUMMY void irq_handler_pm(void);
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DUMMY void irq_handler_sysctrl(void);
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DUMMY void irq_handler_wdt(void);
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DUMMY void irq_handler_rtc(void);
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DUMMY void irq_handler_eic(void);
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DUMMY void irq_handler_nvmctrl(void);
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DUMMY void irq_handler_dmac(void);
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DUMMY void irq_handler_usb(void);
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DUMMY void irq_handler_evsys(void);
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DUMMY void irq_handler_sercom0(void);
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DUMMY void irq_handler_sercom1(void);
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DUMMY void irq_handler_sercom2(void);
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DUMMY void irq_handler_tcc0(void);
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DUMMY void irq_handler_tc1(void);
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DUMMY void irq_handler_tc2(void);
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DUMMY void irq_handler_adc(void);
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DUMMY void irq_handler_ac(void);
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DUMMY void irq_handler_dac(void);
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DUMMY void irq_handler_ptc(void);
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extern int main(void);
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extern void _stack_top(void);
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extern unsigned int _etext;
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extern unsigned int _data;
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extern unsigned int _edata;
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extern unsigned int _bss;
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extern unsigned int _ebss;
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//-----------------------------------------------------------------------------
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__attribute__ ((used, section(".vectors")))
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void (* const vectors[])(void) =
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{
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&_stack_top, // 0 - Initial Stack Pointer Value
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// Cortex-M0+ handlers
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irq_handler_reset, // 1 - Reset
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irq_handler_nmi, // 2 - NMI
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irq_handler_hard_fault, // 3 - Hard Fault
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0, // 4 - Reserved
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0, // 5 - Reserved
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0, // 6 - Reserved
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0, // 7 - Reserved
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0, // 8 - Reserved
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0, // 9 - Reserved
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0, // 10 - Reserved
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irq_handler_sv_call, // 11 - SVCall
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0, // 12 - Reserved
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0, // 13 - Reserved
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irq_handler_pend_sv, // 14 - PendSV
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irq_handler_sys_tick, // 15 - SysTick
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// Peripheral handlers
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irq_handler_pm, // 0 - Power Manager
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irq_handler_sysctrl, // 1 - System Controller
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irq_handler_wdt, // 2 - Watchdog Timer
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irq_handler_rtc, // 3 - Real Time Counter
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irq_handler_eic, // 4 - External Interrupt Controller
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irq_handler_nvmctrl, // 5 - Non-Volatile Memory Controller
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irq_handler_dmac, // 6 - Direct Memory Access Controller
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irq_handler_usb, // 7 - USB Controller
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irq_handler_evsys, // 8 - Event System
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irq_handler_sercom0, // 9 - Serial Communication Interface 0
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irq_handler_sercom1, // 10 - Serial Communication Interface 1
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irq_handler_sercom2, // 11 - Serial Communication Interface 2
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irq_handler_tcc0, // 12 - Timer/Counter for Control 0
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irq_handler_tc1, // 13 - Timer/Counter 1
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irq_handler_tc2, // 14 - Timer/Counter 2
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irq_handler_adc, // 15 - Analog-to-Digital Converter
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irq_handler_ac, // 16 - Analog Comparator
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irq_handler_dac, // 17 - Digital-to-Analog Converter
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irq_handler_ptc, // 18 - Peripheral Touch Controller
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};
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//-----------------------------------------------------------------------------
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void irq_handler_reset(void)
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{
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unsigned int *src, *dst;
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src = &_etext;
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dst = &_data;
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while (dst < &_edata)
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*dst++ = *src++;
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dst = &_bss;
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while (dst < &_ebss)
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*dst++ = 0;
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SCB->VTOR = (uint32_t)vectors;
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main();
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while (1);
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}
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//-----------------------------------------------------------------------------
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void irq_handler_dummy(void)
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{
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while (1);
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}
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//-----------------------------------------------------------------------------
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void _exit(int status)
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{
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(void)status;
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while (1);
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}
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