cpu/stm32f1: optimization of startup code
- make use of common startup code - make use of common exception handlers - renamed startup.c to vectors.cdev/timer
Hauke Petersen
8 years ago
parent
38d38f6c79
commit
5eb9b73cd6
@ -1,268 +0,0 @@
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/*
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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_stm32f1
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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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* @author Thomas Eichinger <thomas.eichinger@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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*/
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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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core_panic(PANIC_DUMMY_HANDLER, "DUMMY HANDLER");
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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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core_panic(PANIC_HARD_FAULT, "HARD FAULT");
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}
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void isr_bus_fault(void)
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{
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core_panic(PANIC_BUS_FAULT, "BUS FAULT");
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}
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void isr_usage_fault(void)
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{
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core_panic(PANIC_USAGE_FAULT, "USAGE FAULT");
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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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/* stm32f1 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_tamper(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_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(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_ch1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch4(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch5(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch6(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma1_ch7(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_can1_tx(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_usb_lp_can1_rx0(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_can1_rx1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_can1_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(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_up(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim1_trg_com(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_usb_wakeup(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_fsmc(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_sdio(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_tim5(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(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_ch1(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_ch2(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_ch3(void) __attribute__ ((weak, alias("dummy_handler")));
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void isr_dma2_ch4_5(void) __attribute__ ((weak, alias("dummy_handler")));
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/* interrupt vector table */
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__attribute__ ((section(".vectors"))) __attribute__((used))
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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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(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*) 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*) 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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/* STM specific peripheral handlers */
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(void*) isr_wwdg,
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(void*) isr_pvd,
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(void*) isr_tamper,
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(void*) isr_rtc,
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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,
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(void*) isr_exti3,
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(void*) isr_exti4,
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(void*) isr_dma1_ch1,
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(void*) isr_dma1_ch2,
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(void*) isr_dma1_ch3,
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(void*) isr_dma1_ch4,
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(void*) isr_dma1_ch5,
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(void*) isr_dma1_ch6,
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(void*) isr_dma1_ch7,
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(void*) isr_adc1_2,
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(void*) isr_usb_hp_can1_tx,
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(void*) isr_usb_lp_can1_rx0,
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(void*) isr_can1_rx1,
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(void*) isr_can1_sce,
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(void*) isr_exti9_5,
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(void*) isr_tim1_brk,
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(void*) isr_tim1_up,
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(void*) isr_tim1_trg_com,
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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_usb_wakeup,
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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*) isr_fsmc,
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(void*) isr_sdio,
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(void*) isr_tim5,
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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,
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(void*) isr_tim7,
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(void*) isr_dma2_ch1,
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(void*) isr_dma2_ch2,
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(void*) isr_dma2_ch3,
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(void*) isr_dma2_ch4_5,
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};
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@ -0,0 +1,183 @@
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/*
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* Copyright (C) 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 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_stm32f1
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* @{
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*
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* @file
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* @brief Interrupt vector definitions
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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* @author Thomas Eichinger <thomas.eichinger@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 "vectors_cortexm.h"
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/* get the start of the ISR stack as defined in the linkerscript */
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extern uint32_t _estack;
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/* define a local dummy handler as it needs to be in the same compilation unit
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* as the alias definition */
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void dummy_handler(void) {
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dummy_handler_default();
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}
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/* Cortex-M common interrupt vectors */
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WEAK_DEFAULT void isr_svc(void);
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WEAK_DEFAULT void isr_pendsv(void);
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WEAK_DEFAULT void isr_systick(void);
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/* STM32F1 specific interrupt vectors */
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WEAK_DEFAULT void isr_wwdg(void);
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WEAK_DEFAULT void isr_pvd(void);
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WEAK_DEFAULT void isr_tamper(void);
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WEAK_DEFAULT void isr_rtc(void);
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WEAK_DEFAULT void isr_flash(void);
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WEAK_DEFAULT void isr_rcc(void);
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WEAK_DEFAULT void isr_exti0(void);
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WEAK_DEFAULT void isr_exti1(void);
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WEAK_DEFAULT void isr_exti2(void);
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WEAK_DEFAULT void isr_exti3(void);
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WEAK_DEFAULT void isr_exti4(void);
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WEAK_DEFAULT void isr_dma1_ch1(void);
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WEAK_DEFAULT void isr_dma1_ch2(void);
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WEAK_DEFAULT void isr_dma1_ch3(void);
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WEAK_DEFAULT void isr_dma1_ch4(void);
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WEAK_DEFAULT void isr_dma1_ch5(void);
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WEAK_DEFAULT void isr_dma1_ch6(void);
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WEAK_DEFAULT void isr_dma1_ch7(void);
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WEAK_DEFAULT void isr_adc1_2(void);
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WEAK_DEFAULT void isr_usb_hp_can1_tx(void);
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WEAK_DEFAULT void isr_usb_lp_can1_rx0(void);
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WEAK_DEFAULT void isr_can1_rx1(void);
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WEAK_DEFAULT void isr_can1_sce(void);
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WEAK_DEFAULT void isr_exti9_5(void);
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WEAK_DEFAULT void isr_tim1_brk(void);
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WEAK_DEFAULT void isr_tim1_up(void);
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WEAK_DEFAULT void isr_tim1_trg_com(void);
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WEAK_DEFAULT void isr_tim1_cc(void);
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WEAK_DEFAULT void isr_tim2(void);
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WEAK_DEFAULT void isr_tim3(void);
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WEAK_DEFAULT void isr_tim4(void);
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WEAK_DEFAULT void isr_i2c1_ev(void);
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WEAK_DEFAULT void isr_i2c1_er(void);
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WEAK_DEFAULT void isr_i2c2_ev(void);
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WEAK_DEFAULT void isr_i2c2_er(void);
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WEAK_DEFAULT void isr_spi1(void);
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WEAK_DEFAULT void isr_spi2(void);
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WEAK_DEFAULT void isr_usart1(void);
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WEAK_DEFAULT void isr_usart2(void);
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WEAK_DEFAULT void isr_usart3(void);
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WEAK_DEFAULT void isr_exti15_10(void);
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WEAK_DEFAULT void isr_rtc_alarm(void);
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WEAK_DEFAULT void isr_usb_wakeup(void);
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WEAK_DEFAULT void isr_tim8_brk(void);
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WEAK_DEFAULT void isr_tim8_up(void);
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WEAK_DEFAULT void isr_tim8_trg_com(void);
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WEAK_DEFAULT void isr_tim8_cc(void);
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WEAK_DEFAULT void isr_adc3(void);
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WEAK_DEFAULT void isr_fsmc(void);
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WEAK_DEFAULT void isr_sdio(void);
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WEAK_DEFAULT void isr_tim5(void);
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WEAK_DEFAULT void isr_spi3(void);
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WEAK_DEFAULT void isr_uart4(void);
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WEAK_DEFAULT void isr_uart5(void);
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WEAK_DEFAULT void isr_tim6(void);
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WEAK_DEFAULT void isr_tim7(void);
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WEAK_DEFAULT void isr_dma2_ch1(void);
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WEAK_DEFAULT void isr_dma2_ch2(void);
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WEAK_DEFAULT void isr_dma2_ch3(void);
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WEAK_DEFAULT void isr_dma2_ch4_5(void);
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/* interrupt vector table */
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ISR_VECTORS const void *interrupt_vector[] = {
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/* Exception stack pointer */
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(void*) (&_estack), /* pointer to the top of the stack */
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/* Cortex-M3 handlers */
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(void*) reset_handler_default, /* entry point of the program */
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(void*) nmi_default, /* non maskable interrupt handler */
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(void*) hard_fault_default, /* hard fault exception */
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(void*) mem_manage_default, /* memory manage exception */
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(void*) bus_fault_default, /* bus fault exception */
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(void*) usage_fault_default, /* usage fault exception */
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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, in RIOT used for
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* switching into thread context on boot */
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(void*) debug_mon_default, /* debug monitor exception */
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(void*) (0UL), /* Reserved */
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(void*) isr_pendsv, /* pendSV interrupt, in RIOT the actual
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* context switching is happening here */
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(void*) isr_systick, /* SysTick interrupt, not used in RIOT */
|
||||
/* STM specific peripheral handlers */
|
||||
(void*) isr_wwdg,
|
||||
(void*) isr_pvd,
|
||||
(void*) isr_tamper,
|
||||
(void*) isr_rtc,
|
||||
(void*) isr_flash,
|
||||
(void*) isr_rcc,
|
||||
(void*) isr_exti0,
|
||||
(void*) isr_exti1,
|
||||
(void*) isr_exti2,
|
||||
(void*) isr_exti3,
|
||||
(void*) isr_exti4,
|
||||
(void*) isr_dma1_ch1,
|
||||
(void*) isr_dma1_ch2,
|
||||
(void*) isr_dma1_ch3,
|
||||
(void*) isr_dma1_ch4,
|
||||
(void*) isr_dma1_ch5,
|
||||
(void*) isr_dma1_ch6,
|
||||
(void*) isr_dma1_ch7,
|
||||
(void*) isr_adc1_2,
|
||||
(void*) isr_usb_hp_can1_tx,
|
||||
(void*) isr_usb_lp_can1_rx0,
|
||||
(void*) isr_can1_rx1,
|
||||
(void*) isr_can1_sce,
|
||||
(void*) isr_exti9_5,
|
||||
(void*) isr_tim1_brk,
|
||||
(void*) isr_tim1_up,
|
||||
(void*) isr_tim1_trg_com,
|
||||
(void*) isr_tim1_cc,
|
||||
(void*) isr_tim2,
|
||||
(void*) isr_tim3,
|
||||
(void*) isr_tim4,
|
||||
(void*) isr_i2c1_ev,
|
||||
(void*) isr_i2c1_er,
|
||||
(void*) isr_i2c2_ev,
|
||||
(void*) isr_i2c2_er,
|
||||
(void*) isr_spi1,
|
||||
(void*) isr_spi2,
|
||||
(void*) isr_usart1,
|
||||
(void*) isr_usart2,
|
||||
(void*) isr_usart3,
|
||||
(void*) isr_exti15_10,
|
||||
(void*) isr_rtc_alarm,
|
||||
(void*) isr_usb_wakeup,
|
||||
(void*) isr_tim8_brk,
|
||||
(void*) isr_tim8_up,
|
||||
(void*) isr_tim8_trg_com,
|
||||
(void*) isr_tim8_cc,
|
||||
(void*) isr_adc3,
|
||||
(void*) isr_fsmc,
|
||||
(void*) isr_sdio,
|
||||
(void*) isr_tim5,
|
||||
(void*) isr_spi3,
|
||||
(void*) isr_uart4,
|
||||
(void*) isr_uart5,
|
||||
(void*) isr_tim6,
|
||||
(void*) isr_tim7,
|
||||
(void*) isr_dma2_ch1,
|
||||
(void*) isr_dma2_ch2,
|
||||
(void*) isr_dma2_ch3,
|
||||
(void*) isr_dma2_ch4_5,
|
||||
};
|
||||
Loading…
Reference in New Issue