/** ****************************************************************************** * @file startup_stm32wle5xx.s * @author MCD Application Team * @brief STM32WLE5xx devices vector table for GCC toolchain. * This module performs: * - Set the initial SP * - Set the initial PC == Reset_Handler, * - Set the vector table entries with the exceptions ISR address, * - Branches to main in the C library (which eventually * calls main()). * After Reset the Cortex-M4 processor is in Thread mode, * priority is Privileged, and the Stack is set to Main. ****************************************************************************** * @attention * * Copyright (c) 2020-2021 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** */ .syntax unified .cpu cortex-m4 .fpu softvfp .thumb .global g_pfnVectors .global Default_Handler /* start address for the initialization values of the .data section. defined in linker script */ .word _sidata /* start address for the .data section. defined in linker script */ .word _sdata /* end address for the .data section. defined in linker script */ .word _edata /* start address for the .bss section. defined in linker script */ .word _sbss /* end address for the .bss section. defined in linker script */ .word _ebss /** * @brief This is the code that gets called when the processor first * starts execution following a reset event. Only the absolutely * necessary set is performed, after which the application * supplied main() routine is called. * @param None * @retval : None */ .section .text.Reset_Handler .weak Reset_Handler .type Reset_Handler, %function Reset_Handler: ldr r0, =_estack mov sp, r0 /* set stack pointer */ /* Call the clock system initialization function.*/ bl SystemInit /* Copy the data segment initializers from flash to SRAM */ ldr r0, =_sdata ldr r1, =_edata ldr r2, =_sidata movs r3, #0 b LoopCopyDataInit CopyDataInit: ldr r4, [r2, r3] str r4, [r0, r3] adds r3, r3, #4 LoopCopyDataInit: adds r4, r0, r3 cmp r4, r1 bcc CopyDataInit /* Zero fill the bss segment. */ ldr r2, =_sbss ldr r4, =_ebss movs r3, #0 b LoopFillZerobss FillZerobss: str r3, [r2] adds r2, r2, #4 LoopFillZerobss: cmp r2, r4 bcc FillZerobss /* Call static constructors */ bl __libc_init_array /* Call the application's entry point.*/ bl main LoopForever: b LoopForever .size Reset_Handler, .-Reset_Handler /** * @brief This is the code that gets called when the processor receives an * unexpected interrupt. This simply enters an infinite loop, preserving * the system state for examination by a debugger. * * @param None * @retval : None */ .section .text.Default_Handler,"ax",%progbits Default_Handler: Infinite_Loop: b Infinite_Loop .size Default_Handler, .-Default_Handler /****************************************************************************** * * The STM32WLE5xx vector table. Note that the proper constructs * must be placed on this to ensure that it ends up at physical address * 0x0000.0000. * ******************************************************************************/ .section .isr_vector,"a",%progbits .type g_pfnVectors, %object .size g_pfnVectors, .-g_pfnVectors g_pfnVectors: .word _estack .word Reset_Handler .word NMI_Handler .word HardFault_Handler .word MemManage_Handler .word BusFault_Handler .word UsageFault_Handler .word 0 .word 0 .word 0 .word 0 .word SVC_Handler .word DebugMon_Handler .word 0 .word PendSV_Handler .word SysTick_Handler .word WWDG_IRQHandler /* Window Watchdog interrupt */ .word PVD_PVM_IRQHandler /* PVD and PVM interrupt through EXTI */ .word TAMP_STAMP_LSECSS_SSRU_IRQHandler /* RTC Tamper, RTC TimeStamp, LSECSS and RTC SSRU int.*/ .word RTC_WKUP_IRQHandler /* RTC wakeup interrupt through EXTI[19] */ .word FLASH_IRQHandler /* Flash memory global interrupt and Flash memory ECC */ .word RCC_IRQHandler /* RCC global interrupt */ .word EXTI0_IRQHandler /* EXTI line 0 interrupt */ .word EXTI1_IRQHandler /* EXTI line 1 interrupt */ .word EXTI2_IRQHandler /* EXTI line 2 interrupt */ .word EXTI3_IRQHandler /* EXTI line 3 interrupt */ .word EXTI4_IRQHandler /* EXTI line 4 interrupt */ .word DMA1_Channel1_IRQHandler /* DMA1 channel 1 interrupt */ .word DMA1_Channel2_IRQHandler /* DMA1 channel 2 interrupt */ .word DMA1_Channel3_IRQHandler /* DMA1 channel 3 interrupt */ .word DMA1_Channel4_IRQHandler /* DMA1 channel 4 interrupt */ .word DMA1_Channel5_IRQHandler /* DMA1 channel 5 interrupt */ .word DMA1_Channel6_IRQHandler /* DMA1 channel 6 interrupt */ .word DMA1_Channel7_IRQHandler /* DMA1 channel 7 interrupt */ .word ADC_IRQHandler /* ADC interrupt */ .word DAC_IRQHandler /* DAC interrupt */ .word 0 /* Reserved */ .word COMP_IRQHandler /* COMP1 and COMP2 interrupt through EXTI */ .word EXTI9_5_IRQHandler /* EXTI line 9_5 interrupt */ .word TIM1_BRK_IRQHandler /* Timer 1 break interrupt */ .word TIM1_UP_IRQHandler /* Timer 1 Update */ .word TIM1_TRG_COM_IRQHandler /* Timer 1 trigger and communication */ .word TIM1_CC_IRQHandler /* Timer 1 capture compare interrupt */ .word TIM2_IRQHandler /* TIM2 global interrupt */ .word TIM16_IRQHandler /* Timer 16 global interrupt */ .word TIM17_IRQHandler /* Timer 17 global interrupt */ .word I2C1_EV_IRQHandler /* I2C1 event interrupt */ .word I2C1_ER_IRQHandler /* I2C1 event interrupt */ .word I2C2_EV_IRQHandler /* I2C2 error interrupt */ .word I2C2_ER_IRQHandler /* I2C2 error interrupt */ .word SPI1_IRQHandler /* SPI1 global interrupt */ .word SPI2_IRQHandler /* SPI2 global interrupt */ .word USART1_IRQHandler /* USART1 global interrupt */ .word USART2_IRQHandler /* USART2 global interrupt */ .word LPUART1_IRQHandler /* LPUART1 global interrupt */ .word LPTIM1_IRQHandler /* LPtimer 1 global interrupt */ .word LPTIM2_IRQHandler /* LPtimer 2 global interrupt */ .word EXTI15_10_IRQHandler /* EXTI line 15_10] interrupt through EXTI */ .word RTC_Alarm_IRQHandler /* RTC Alarms A & B interrupt */ .word LPTIM3_IRQHandler /* LPtimer 3 global interrupt */ .word SUBGHZSPI_IRQHandler /* SUBGHZSPI global interrupt */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word HSEM_IRQHandler /* Semaphore interrupt 0 to CPU1 */ .word I2C3_EV_IRQHandler /* I2C3 event interrupt */ .word I2C3_ER_IRQHandler /* I2C3 error interrupt */ .word SUBGHZ_Radio_IRQHandler /* Radio IRQs RFBUSY interrupt through EXTI */ .word AES_IRQHandler /* AES global interrupt */ .word RNG_IRQHandler /* RNG interrupt */ .word PKA_IRQHandler /* PKA interrupt */ .word DMA2_Channel1_IRQHandler /* DMA2 channel 1 interrupt */ .word DMA2_Channel2_IRQHandler /* DMA2 channel 2 interrupt */ .word DMA2_Channel3_IRQHandler /* DMA2 channel 3 interrupt */ .word DMA2_Channel4_IRQHandler /* DMA2 channel 4 interrupt */ .word DMA2_Channel5_IRQHandler /* DMA2 channel 5 interrupt */ .word DMA2_Channel6_IRQHandler /* DMA2 channel 6 interrupt */ .word DMA2_Channel7_IRQHandler /* DMA2 channel 7 interrupt */ .word DMAMUX1_OVR_IRQHandler /* DMAMUX overrun interrupt */ /******************************************************************************* * * Provide weak aliases for each Exception handler to the Default_Handler. * As they are weak aliases, any function with the same name will override * this definition. * *******************************************************************************/ .weak NMI_Handler .thumb_set NMI_Handler,Default_Handler .weak HardFault_Handler .thumb_set HardFault_Handler,Default_Handler .weak MemManage_Handler .thumb_set MemManage_Handler,Default_Handler .weak BusFault_Handler .thumb_set BusFault_Handler,Default_Handler .weak UsageFault_Handler .thumb_set UsageFault_Handler,Default_Handler .weak SVC_Handler .thumb_set SVC_Handler,Default_Handler .weak DebugMon_Handler .thumb_set DebugMon_Handler,Default_Handler .weak PendSV_Handler .thumb_set PendSV_Handler,Default_Handler .weak SysTick_Handler .thumb_set SysTick_Handler,Default_Handler .weak WWDG_IRQHandler .thumb_set WWDG_IRQHandler,Default_Handler .weak PVD_PVM_IRQHandler .thumb_set PVD_PVM_IRQHandler,Default_Handler .weak TAMP_STAMP_LSECSS_SSRU_IRQHandler .thumb_set TAMP_STAMP_LSECSS_SSRU_IRQHandler,Default_Handler .weak RTC_WKUP_IRQHandler .thumb_set RTC_WKUP_IRQHandler,Default_Handler .weak FLASH_IRQHandler .thumb_set FLASH_IRQHandler,Default_Handler .weak RCC_IRQHandler .thumb_set RCC_IRQHandler,Default_Handler .weak EXTI0_IRQHandler .thumb_set EXTI0_IRQHandler,Default_Handler .weak EXTI1_IRQHandler .thumb_set EXTI1_IRQHandler,Default_Handler .weak EXTI2_IRQHandler .thumb_set EXTI2_IRQHandler,Default_Handler .weak EXTI3_IRQHandler .thumb_set EXTI3_IRQHandler,Default_Handler .weak EXTI4_IRQHandler .thumb_set EXTI4_IRQHandler,Default_Handler .weak DMA1_Channel1_IRQHandler .thumb_set DMA1_Channel1_IRQHandler,Default_Handler .weak DMA1_Channel2_IRQHandler .thumb_set DMA1_Channel2_IRQHandler,Default_Handler .weak DMA1_Channel3_IRQHandler .thumb_set DMA1_Channel3_IRQHandler,Default_Handler .weak DMA1_Channel4_IRQHandler .thumb_set DMA1_Channel4_IRQHandler,Default_Handler .weak DMA1_Channel5_IRQHandler .thumb_set DMA1_Channel5_IRQHandler,Default_Handler .weak DMA1_Channel6_IRQHandler .thumb_set DMA1_Channel6_IRQHandler,Default_Handler .weak DMA1_Channel7_IRQHandler .thumb_set DMA1_Channel7_IRQHandler,Default_Handler .weak ADC_IRQHandler .thumb_set ADC_IRQHandler,Default_Handler .weak DAC_IRQHandler .thumb_set DAC_IRQHandler,Default_Handler .weak COMP_IRQHandler .thumb_set COMP_IRQHandler,Default_Handler .weak EXTI9_5_IRQHandler .thumb_set EXTI9_5_IRQHandler,Default_Handler .weak TIM1_BRK_IRQHandler .thumb_set TIM1_BRK_IRQHandler,Default_Handler .weak TIM1_UP_IRQHandler .thumb_set TIM1_UP_IRQHandler,Default_Handler .weak TIM1_TRG_COM_IRQHandler .thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler .weak TIM1_CC_IRQHandler .thumb_set TIM1_CC_IRQHandler,Default_Handler .weak TIM2_IRQHandler .thumb_set TIM2_IRQHandler,Default_Handler .weak TIM16_IRQHandler .thumb_set TIM16_IRQHandler,Default_Handler .weak TIM17_IRQHandler .thumb_set TIM17_IRQHandler,Default_Handler .weak I2C1_EV_IRQHandler .thumb_set I2C1_EV_IRQHandler,Default_Handler .weak I2C1_ER_IRQHandler .thumb_set I2C1_ER_IRQHandler,Default_Handler .weak I2C2_EV_IRQHandler .thumb_set I2C2_EV_IRQHandler,Default_Handler .weak I2C2_ER_IRQHandler .thumb_set I2C2_ER_IRQHandler,Default_Handler .weak SPI1_IRQHandler .thumb_set SPI1_IRQHandler,Default_Handler .weak SPI2_IRQHandler .thumb_set SPI2_IRQHandler,Default_Handler .weak USART1_IRQHandler .thumb_set USART1_IRQHandler,Default_Handler .weak USART2_IRQHandler .thumb_set USART2_IRQHandler,Default_Handler .weak LPUART1_IRQHandler .thumb_set LPUART1_IRQHandler,Default_Handler .weak LPTIM1_IRQHandler .thumb_set LPTIM1_IRQHandler,Default_Handler .weak LPTIM2_IRQHandler .thumb_set LPTIM2_IRQHandler,Default_Handler .weak EXTI15_10_IRQHandler .thumb_set EXTI15_10_IRQHandler,Default_Handler .weak RTC_Alarm_IRQHandler .thumb_set RTC_Alarm_IRQHandler,Default_Handler .weak LPTIM3_IRQHandler .thumb_set LPTIM3_IRQHandler,Default_Handler .weak SUBGHZSPI_IRQHandler .thumb_set SUBGHZSPI_IRQHandler,Default_Handler .weak HSEM_IRQHandler .thumb_set HSEM_IRQHandler,Default_Handler .weak I2C3_EV_IRQHandler .thumb_set I2C3_EV_IRQHandler,Default_Handler .weak I2C3_ER_IRQHandler .thumb_set I2C3_ER_IRQHandler,Default_Handler .weak SUBGHZ_Radio_IRQHandler .thumb_set SUBGHZ_Radio_IRQHandler,Default_Handler .weak AES_IRQHandler .thumb_set AES_IRQHandler,Default_Handler .weak RNG_IRQHandler .thumb_set RNG_IRQHandler,Default_Handler .weak PKA_IRQHandler .thumb_set PKA_IRQHandler,Default_Handler .weak DMA2_Channel1_IRQHandler .thumb_set DMA2_Channel1_IRQHandler,Default_Handler .weak DMA2_Channel2_IRQHandler .thumb_set DMA2_Channel2_IRQHandler,Default_Handler .weak DMA2_Channel3_IRQHandler .thumb_set DMA2_Channel3_IRQHandler,Default_Handler .weak DMA2_Channel4_IRQHandler .thumb_set DMA2_Channel4_IRQHandler,Default_Handler .weak DMA2_Channel5_IRQHandler .thumb_set DMA2_Channel5_IRQHandler,Default_Handler .weak DMA2_Channel6_IRQHandler .thumb_set DMA2_Channel6_IRQHandler,Default_Handler .weak DMA2_Channel7_IRQHandler .thumb_set DMA2_Channel7_IRQHandler,Default_Handler .weak DMAMUX1_OVR_IRQHandler .thumb_set DMAMUX1_OVR_IRQHandler,Default_Handler .weak SystemInit