2275ed7b0c
includes minor refactoring in example code and modification of how the generic and the tinygecko specific vector.h go together (bringing it in line with stm32/f1's memorymap.h)
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2010 Piotr Esden-Tempski <piotr@esden.net>,
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* 2012 chrysn <chrysn@fsfe.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/efm32/vector.h>
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#define WEAK __attribute__ ((weak))
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/* Symbols exported by the linker script(s). */
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extern unsigned _etext, _data, _edata, _ebss, _stack;
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void main(void);
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void reset_handler(void);
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void blocking_handler(void);
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void null_handler(void);
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void WEAK nmi_handler(void);
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void WEAK hard_fault_handler(void);
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void WEAK mem_manage_handler(void);
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void WEAK bus_fault_handler(void);
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void WEAK usage_fault_handler(void);
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void WEAK sv_call_handler(void);
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void WEAK debug_monitor_handler(void);
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void WEAK pend_sv_handler(void);
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void WEAK sys_tick_handler(void);
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__attribute__ ((section(".vectors")))
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efm32_vector_table_t vector_table = {
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.initial_sp_value = &_stack,
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.reset = reset_handler,
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.nmi = nmi_handler,
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.hard_fault = hard_fault_handler,
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.memory_manage_fault = mem_manage_handler,
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.bus_fault = bus_fault_handler,
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.usage_fault = usage_fault_handler,
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.sv_call = sv_call_handler,
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.pend_sv = pend_sv_handler,
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.systick = sys_tick_handler,
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};
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void reset_handler(void)
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{
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volatile unsigned *src, *dest;
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__asm__("MSR msp, %0" : : "r"(&_stack));
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for (src = &_etext, dest = &_data; dest < &_edata; src++, dest++)
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*dest = *src;
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while (dest < &_ebss)
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*dest++ = 0;
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/* Call the application's entry point. */
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main();
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}
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void blocking_handler(void)
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{
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while (1) ;
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}
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void null_handler(void)
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{
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/* Do nothing. */
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}
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#pragma weak nmi_handler = null_handler
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#pragma weak hard_fault_handler = blocking_handler
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#pragma weak mem_manage_handler = blocking_handler
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#pragma weak bus_fault_handler = blocking_handler
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#pragma weak usage_fault_handler = blocking_handler
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#pragma weak sv_call_handler = null_handler
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#pragma weak debug_monitor_handler = null_handler
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#pragma weak pend_sv_handler = null_handler
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#pragma weak sys_tick_handler = null_handler
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