mirror of
https://github.com/RIOT-OS/RIOT.git
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293 lines
12 KiB
C
293 lines
12 KiB
C
/*
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* Copyright (C) 2014 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup cpu_stm32f3
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* @{
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*
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* @file
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* @brief Startup code and interrupt vector definition
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*
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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 "board.h"
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/**
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* memory markers as defined in the linker script
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*/
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extern uint32_t _sfixed;
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extern uint32_t _efixed;
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extern uint32_t _etext;
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extern uint32_t _srelocate;
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extern uint32_t _erelocate;
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extern uint32_t _szero;
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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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extern void board_init(void);
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extern void kernel_init(void);
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extern void __libc_init_array(void);
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/**
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* @brief This function is the entry point after a system reset
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*
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* After a system reset, the following steps are necessary and carried out:
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* 1. load data section from flash to ram
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* 2. overwrite uninitialized data section (BSS) with zeros
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* 3. initialize the newlib
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* 4. initialize the board (sync clock, setup std-IO)
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* 5. initialize and start RIOTs kernel
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*/
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void reset_handler(void)
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{
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uint32_t *dst;
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uint32_t *src = &_etext;
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/* load data section from flash to ram */
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for (dst = &_srelocate; dst < &_erelocate; ) {
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*(dst++) = *(src++);
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}
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/* default bss section to zero */
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for (dst = &_szero; dst < &_ezero; ) {
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*(dst++) = 0;
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}
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/* initialize the board and startup the kernel */
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board_init();
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/* initialize std-c library (this should be done after board_init) */
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__libc_init_array();
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/* startup the kernel */
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kernel_init();
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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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}
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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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/* STM32F3 specific interrupt vector */
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void isr_wwdg(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_pvd(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tamp_stamp(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_rtc_wkup(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_flash(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_rcc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti2_tsc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel6(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_channel7(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_adc1_2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb_hp_can_tx(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb_lp_can_rx0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_can_rx1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_can_sce(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti9_5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_brk_tim15(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_up_tim16(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_trg_com_tim17(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_cc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_i2c1_ev(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_i2c1_er(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_i2c2_ev(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_i2c2_er(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_spi1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_spi2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usart1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usart2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usart3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_exti15_10(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_rtc_alarm(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usbwakeup(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim8_brk(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim8_up(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim8_trg_com(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim8_cc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_adc3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_spi3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_uart4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_uart5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim6_dac(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim7(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_channel1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_channel2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_channel3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_channel4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_channel5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_adc4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_comp1_2_3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_comp4_5_6(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_comp7(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb_hp(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb_lp(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usbwakeup_rmp(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_fpu(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-M4 handlers */
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(void*) reset_handler, /* */
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(void*) isr_nmi, /* */
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(void*) isr_hard_fault, /* */
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(void*) isr_mem_manage, /* */
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(void*) isr_bus_fault, /* */
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(void*) isr_usage_fault, /* */
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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, /* */
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(void*) isr_debug_mon, /* */
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(void*) (0UL), /* reserved */
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(void*) isr_pendsv, /* */
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(void*) isr_systick, /* */
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/* STMF3 specific peripheral handlers */
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(void*) isr_wwdg, /* */
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(void*) isr_pvd, /* */
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(void*) isr_tamp_stamp, /* */
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(void*) isr_rtc_wkup, /* */
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(void*) isr_flash, /* */
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(void*) isr_rcc, /* */
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(void*) isr_exti0, /* */
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(void*) isr_exti1, /* */
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(void*) isr_exti2_tsc, /* */
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(void*) isr_exti3, /* */
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(void*) isr_exti4, /* */
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(void*) isr_dma1_channel1, /* */
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(void*) isr_dma1_channel2, /* */
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(void*) isr_dma1_channel3, /* */
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(void*) isr_dma1_channel4, /* */
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(void*) isr_dma1_channel5, /* */
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(void*) isr_dma1_channel6, /* */
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(void*) isr_dma1_channel7, /* */
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(void*) isr_adc1_2, /* */
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(void*) isr_usb_hp_can_tx, /* */
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(void*) isr_usb_lp_can_rx0, /* */
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(void*) isr_can_rx1, /* */
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(void*) isr_can_sce, /* */
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(void*) isr_exti9_5, /* */
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(void*) isr_tim1_brk_tim15, /* */
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(void*) isr_tim1_up_tim16, /* */
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(void*) isr_tim1_trg_com_tim17, /* */
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(void*) isr_tim1_cc, /* */
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(void*) isr_tim2, /* */
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(void*) isr_tim3, /* */
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(void*) isr_tim4, /* */
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(void*) isr_i2c1_ev, /* */
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(void*) isr_i2c1_er, /* */
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(void*) isr_i2c2_ev, /* */
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(void*) isr_i2c2_er, /* */
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(void*) isr_spi1, /* */
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(void*) isr_spi2, /* */
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(void*) isr_usart1, /* */
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(void*) isr_usart2, /* */
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(void*) isr_usart3, /* */
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(void*) isr_exti15_10, /* */
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(void*) isr_rtc_alarm, /* */
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(void*) isr_usbwakeup, /* */
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(void*) isr_tim8_brk, /* */
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(void*) isr_tim8_up, /* */
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(void*) isr_tim8_trg_com, /* */
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(void*) isr_tim8_cc, /* */
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(void*) isr_adc3, /* */
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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_spi3, /* */
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(void*) isr_uart4, /* */
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(void*) isr_uart5, /* */
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(void*) isr_tim6_dac, /* */
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(void*) isr_tim7, /* */
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(void*) isr_dma2_channel1, /* */
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(void*) isr_dma2_channel2, /* */
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(void*) isr_dma2_channel3, /* */
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(void*) isr_dma2_channel4, /* */
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(void*) isr_dma2_channel5, /* */
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(void*) isr_adc4, /* */
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(void*) (0UL), /* reserved */
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(void*) (0UL), /* reserved */
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(void*) isr_comp1_2_3, /* */
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(void*) isr_comp4_5_6, /* */
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(void*) isr_comp7, /* */
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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_usb_hp, /* */
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(void*) isr_usb_lp, /* */
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(void*) isr_usbwakeup_rmp, /* */
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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_fpu, /* */
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};
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