diff --git a/cpu/stm32f1/startup.c b/cpu/stm32f1/startup.c deleted file mode 100644 index b5e356e3f9..0000000000 --- a/cpu/stm32f1/startup.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright (C) 2014 Freie Universität Berlin - * - * This file is subject to the terms and conditions of the GNU Lesser General - * Public License v2.1. See the file LICENSE in the top level directory for more - * details. - */ - -/** - * @ingroup cpu_stm32f1 - * @{ - * - * @file - * @brief Startup code and interrupt vector definition - * - * @author Hauke Petersen - * @author Thomas Eichinger - * - * @} - */ - -#include -#include "panic.h" - - -/** - * memory markers as defined in the linker script - */ -extern uint32_t _sfixed; -extern uint32_t _efixed; -extern uint32_t _etext; -extern uint32_t _srelocate; -extern uint32_t _erelocate; -extern uint32_t _szero; -extern uint32_t _ezero; -extern uint32_t _sstack; -extern uint32_t _estack; - - -/** - * @brief functions for initializing the board, std-lib and kernel - */ -extern void board_init(void); -extern void kernel_init(void); -extern void __libc_init_array(void); - -/** - * @brief This function is the entry point after a system reset - * - * After a system reset, the following steps are necessary and carried out: - * 1. load data section from flash to ram - * 2. overwrite uninitialized data section (BSS) with zeros - * 3. initialize the newlib - * 4. initialize the board (sync clock, setup std-IO) - * 5. initialize and start RIOTs kernel - */ -void reset_handler(void) -{ - uint32_t *dst; - uint32_t *src = &_etext; - - /* load data section from flash to ram */ - for (dst = &_srelocate; dst < &_erelocate; ) { - *(dst++) = *(src++); - } - - /* default bss section to zero */ - for (dst = &_szero; dst < &_ezero; ) { - *(dst++) = 0; - } - - /* initialize the board and startup the kernel */ - board_init(); - /* initialize std-c library (this should be done after board_init) */ - __libc_init_array(); - /* startup the kernel */ - kernel_init(); -} - -/** - * @brief Default handler is called in case no interrupt handler was defined - */ -void dummy_handler(void) -{ - core_panic(PANIC_DUMMY_HANDLER, "DUMMY HANDLER"); -} - -void isr_nmi(void) -{ - while (1) {asm ("nop");} -} - -void isr_mem_manage(void) -{ - while (1) {asm ("nop");} -} - -void isr_debug_mon(void) -{ - while (1) {asm ("nop");} -} - -void isr_hard_fault(void) -{ - core_panic(PANIC_HARD_FAULT, "HARD FAULT"); -} - -void isr_bus_fault(void) -{ - core_panic(PANIC_BUS_FAULT, "BUS FAULT"); -} - -void isr_usage_fault(void) -{ - core_panic(PANIC_USAGE_FAULT, "USAGE FAULT"); -} - -/* Cortex-M specific interrupt vectors */ -void isr_svc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pendsv(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_systick(void) __attribute__ ((weak, alias("dummy_handler"))); - -/* stm32f1 specific interrupt vector */ -void isr_wwdg(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_pvd(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tamper(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rtc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_flash(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rcc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti4(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch4(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch5(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch6(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma1_ch7(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_adc1_2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usb_hp_can1_tx(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usb_lp_can1_rx0(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_can1_rx1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_can1_sce(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti9_5(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim1_brk(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim1_up(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim1_trg_com(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim1_cc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim4(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_i2c1_ev(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_i2c1_er(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_i2c2_ev(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_i2c2_er(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_spi1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_spi2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usart3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_exti15_10(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_rtc_alarm(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_usb_wakeup(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim8_brk(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim8_up(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim8_trg_com(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim8_cc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_adc3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_fsmc(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_sdio(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim5(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_spi3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_uart4(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_uart5(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim6(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_tim7(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma2_ch1(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma2_ch2(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma2_ch3(void) __attribute__ ((weak, alias("dummy_handler"))); -void isr_dma2_ch4_5(void) __attribute__ ((weak, alias("dummy_handler"))); - - -/* interrupt vector table */ -__attribute__ ((section(".vectors"))) __attribute__((used)) -const void *interrupt_vector[] = { - /* Stack pointer */ - (void*) (&_estack), /* pointer to the top of the empty stack */ - /* Cortex-M handlers */ - (void*) reset_handler, /* entry point of the program */ - (void*) isr_nmi, /* non maskable interrupt handler */ - (void*) isr_hard_fault, /* if you end up here its not good */ - (void*) isr_mem_manage, /* memory controller interrupt */ - (void*) isr_bus_fault, /* also not good to end up here */ - (void*) isr_usage_fault, /* autsch */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) (0UL), /* Reserved */ - (void*) isr_svc, /* system call interrupt */ - (void*) isr_debug_mon, /* debug interrupt */ - (void*) (0UL), /* Reserved */ - (void*) isr_pendsv, /* pendSV interrupt, used for task switching in RIOT */ - (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, -}; diff --git a/cpu/stm32f1/vectors.c b/cpu/stm32f1/vectors.c new file mode 100644 index 0000000000..e2fe964492 --- /dev/null +++ b/cpu/stm32f1/vectors.c @@ -0,0 +1,183 @@ +/* + * Copyright (C) 2014-2015 Freie Universität Berlin + * + * This file is subject to the terms and conditions of the GNU Lesser General + * Public License v2.1. See the file LICENSE in the top level directory for more + * details. + */ + +/** + * @ingroup cpu_stm32f1 + * @{ + * + * @file + * @brief Interrupt vector definitions + * + * @author Hauke Petersen + * @author Thomas Eichinger + * + * @} + */ + +#include +#include "vectors_cortexm.h" + +/* get the start of the ISR stack as defined in the linkerscript */ +extern uint32_t _estack; + +/* define a local dummy handler as it needs to be in the same compilation unit + * as the alias definition */ +void dummy_handler(void) { + dummy_handler_default(); +} + +/* Cortex-M common interrupt vectors */ +WEAK_DEFAULT void isr_svc(void); +WEAK_DEFAULT void isr_pendsv(void); +WEAK_DEFAULT void isr_systick(void); +/* STM32F1 specific interrupt vectors */ +WEAK_DEFAULT void isr_wwdg(void); +WEAK_DEFAULT void isr_pvd(void); +WEAK_DEFAULT void isr_tamper(void); +WEAK_DEFAULT void isr_rtc(void); +WEAK_DEFAULT void isr_flash(void); +WEAK_DEFAULT void isr_rcc(void); +WEAK_DEFAULT void isr_exti0(void); +WEAK_DEFAULT void isr_exti1(void); +WEAK_DEFAULT void isr_exti2(void); +WEAK_DEFAULT void isr_exti3(void); +WEAK_DEFAULT void isr_exti4(void); +WEAK_DEFAULT void isr_dma1_ch1(void); +WEAK_DEFAULT void isr_dma1_ch2(void); +WEAK_DEFAULT void isr_dma1_ch3(void); +WEAK_DEFAULT void isr_dma1_ch4(void); +WEAK_DEFAULT void isr_dma1_ch5(void); +WEAK_DEFAULT void isr_dma1_ch6(void); +WEAK_DEFAULT void isr_dma1_ch7(void); +WEAK_DEFAULT void isr_adc1_2(void); +WEAK_DEFAULT void isr_usb_hp_can1_tx(void); +WEAK_DEFAULT void isr_usb_lp_can1_rx0(void); +WEAK_DEFAULT void isr_can1_rx1(void); +WEAK_DEFAULT void isr_can1_sce(void); +WEAK_DEFAULT void isr_exti9_5(void); +WEAK_DEFAULT void isr_tim1_brk(void); +WEAK_DEFAULT void isr_tim1_up(void); +WEAK_DEFAULT void isr_tim1_trg_com(void); +WEAK_DEFAULT void isr_tim1_cc(void); +WEAK_DEFAULT void isr_tim2(void); +WEAK_DEFAULT void isr_tim3(void); +WEAK_DEFAULT void isr_tim4(void); +WEAK_DEFAULT void isr_i2c1_ev(void); +WEAK_DEFAULT void isr_i2c1_er(void); +WEAK_DEFAULT void isr_i2c2_ev(void); +WEAK_DEFAULT void isr_i2c2_er(void); +WEAK_DEFAULT void isr_spi1(void); +WEAK_DEFAULT void isr_spi2(void); +WEAK_DEFAULT void isr_usart1(void); +WEAK_DEFAULT void isr_usart2(void); +WEAK_DEFAULT void isr_usart3(void); +WEAK_DEFAULT void isr_exti15_10(void); +WEAK_DEFAULT void isr_rtc_alarm(void); +WEAK_DEFAULT void isr_usb_wakeup(void); +WEAK_DEFAULT void isr_tim8_brk(void); +WEAK_DEFAULT void isr_tim8_up(void); +WEAK_DEFAULT void isr_tim8_trg_com(void); +WEAK_DEFAULT void isr_tim8_cc(void); +WEAK_DEFAULT void isr_adc3(void); +WEAK_DEFAULT void isr_fsmc(void); +WEAK_DEFAULT void isr_sdio(void); +WEAK_DEFAULT void isr_tim5(void); +WEAK_DEFAULT void isr_spi3(void); +WEAK_DEFAULT void isr_uart4(void); +WEAK_DEFAULT void isr_uart5(void); +WEAK_DEFAULT void isr_tim6(void); +WEAK_DEFAULT void isr_tim7(void); +WEAK_DEFAULT void isr_dma2_ch1(void); +WEAK_DEFAULT void isr_dma2_ch2(void); +WEAK_DEFAULT void isr_dma2_ch3(void); +WEAK_DEFAULT void isr_dma2_ch4_5(void); + +/* interrupt vector table */ +ISR_VECTORS const void *interrupt_vector[] = { + /* Exception stack pointer */ + (void*) (&_estack), /* pointer to the top of the stack */ + /* Cortex-M3 handlers */ + (void*) reset_handler_default, /* entry point of the program */ + (void*) nmi_default, /* non maskable interrupt handler */ + (void*) hard_fault_default, /* hard fault exception */ + (void*) mem_manage_default, /* memory manage exception */ + (void*) bus_fault_default, /* bus fault exception */ + (void*) usage_fault_default, /* usage fault exception */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) isr_svc, /* system call interrupt, in RIOT used for + * switching into thread context on boot */ + (void*) debug_mon_default, /* debug monitor exception */ + (void*) (0UL), /* Reserved */ + (void*) isr_pendsv, /* pendSV interrupt, in RIOT the actual + * context switching is happening here */ + (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, +};