22d8891fee
Fixes #51 There should be no reason for manually trying to load the stack. Cortex devices can be programmed with only C, and any code that needed this would indicate broken vectors.
102 lines
2.9 KiB
C
102 lines
2.9 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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* Copyright (C) 2012 chrysn <chrysn@fsfe.org>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser 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 library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/cm3/vector.h>
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/* load optional platform dependent initialization routines */
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#include "../dispatch/vector_chipset.c"
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/* load the weak symbols for IRQ_HANDLERS */
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#include "../dispatch/vector_nvic.c"
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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 _data_loadaddr, _data, _edata, _ebss, _stack;
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void main(void);
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void blocking_handler(void);
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void null_handler(void);
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void WEAK reset_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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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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.debug_monitor = debug_monitor_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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.irq = {
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IRQ_HANDLERS
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}
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};
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void WEAK __attribute__ ((naked)) reset_handler(void)
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{
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volatile unsigned *src, *dest;
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for (src = &_data_loadaddr, 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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/* might be provided by platform specific vector.c */
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pre_main();
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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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