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startup_stm32f030r8tx.s
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startup_stm32f030r8tx.s
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/**
******************************************************************************
* @file startup_stm32f030r8tx.s
* @author Auto-generated by STM32CubeIDE
* @brief STM32F030R8Tx device 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()).
******************************************************************************
* @attention
*
* Copyright (c) 2023 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-m0
.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 STM32F030R8Tx 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
g_pfnVectors:
.word _estack
.word Reset_Handler
.word NMI_Handler
.word HardFault_Handler
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word 0
.word SVC_Handler
.word 0
.word 0
.word PendSV_Handler
.word SysTick_Handler
.word WWDG_IRQHandler /* Window Watchdog interrupt */
.word PVD_IRQHandler /* PVD and VDDIO2 supply comparator interrupt */
.word RTC_IRQHandler /* RTC interrupts */
.word FLASH_IRQHandler /* Flash global interrupt */
.word RCC_IRQHandler /* RCC global interruptr */
.word EXTI0_1_IRQHandler /* EXTI Line[1:0] interrupts */
.word EXTI2_3_IRQHandler /* EXTI Line[3:2] interrupts */
.word EXTI4_15_IRQHandler /* EXTI Line15 and EXTI4 interrupts */
.word 0 /* Reserved */
.word DMA1_CH1_IRQHandler /* DMA1 channel 1 interrupt */
.word DMA1_CH2_3_IRQHandler /* DMA1 channel 2 and 3 interrupt */
.word DMA1_CH4_5_IRQHandler /* DMA1 channel 4 and 5 interrupt */
.word ADC_IRQHandler /* ADC interrupt */
.word TIM1_BRK_UP_TRG_COM_IRQHandler /* TIM1 break, update, trigger and commutation interrupt */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare interrupt */
.word 0 /* Reserved */
.word TIM3_IRQHandler /* TIM3 global interrupt */
.word TIM6_IRQHandler /* TIM6 global interrupt */
.word 0 /* Reserved */
.word TIM14_IRQHandler /* TIM14 global interrupt */
.word TIM15_IRQHandler /* TIM15 global interrupt */
.word TIM16_IRQHandler /* TIM16 global interrupt */
.word TIM17_IRQHandler /* TIM17 global interrupt */
.word I2C1_IRQHandler /* I2C1 global interrupt */
.word I2C2_IRQHandler /* I2C2 global 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 USART3_4_5_6_IRQHandler /* USART3, USART4, USART5, USART6 global interrupt */
.word 0 /* Reserved */
.word USB_IRQHandler /* USB global interrupt */
.size g_pfnVectors, .-g_pfnVectors
/*******************************************************************************
*
* 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 SVC_Handler
.thumb_set SVC_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_IRQHandler
.thumb_set PVD_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak FLASH_IRQHandler
.thumb_set FLASH_IRQHandler,Default_Handler
.weak RCC_IRQHandler
.thumb_set RCC_IRQHandler,Default_Handler
.weak EXTI0_1_IRQHandler
.thumb_set EXTI0_1_IRQHandler,Default_Handler
.weak EXTI2_3_IRQHandler
.thumb_set EXTI2_3_IRQHandler,Default_Handler
.weak EXTI4_15_IRQHandler
.thumb_set EXTI4_15_IRQHandler,Default_Handler
.weak DMA1_CH1_IRQHandler
.thumb_set DMA1_CH1_IRQHandler,Default_Handler
.weak DMA1_CH2_3_IRQHandler
.thumb_set DMA1_CH2_3_IRQHandler,Default_Handler
.weak DMA1_CH4_5_IRQHandler
.thumb_set DMA1_CH4_5_IRQHandler,Default_Handler
.weak ADC_IRQHandler
.thumb_set ADC_IRQHandler,Default_Handler
.weak TIM1_BRK_UP_TRG_COM_IRQHandler
.thumb_set TIM1_BRK_UP_TRG_COM_IRQHandler,Default_Handler
.weak TIM1_CC_IRQHandler
.thumb_set TIM1_CC_IRQHandler,Default_Handler
.weak TIM3_IRQHandler
.thumb_set TIM3_IRQHandler,Default_Handler
.weak TIM6_IRQHandler
.thumb_set TIM6_IRQHandler,Default_Handler
.weak TIM14_IRQHandler
.thumb_set TIM14_IRQHandler,Default_Handler
.weak TIM15_IRQHandler
.thumb_set TIM15_IRQHandler,Default_Handler
.weak TIM16_IRQHandler
.thumb_set TIM16_IRQHandler,Default_Handler
.weak TIM17_IRQHandler
.thumb_set TIM17_IRQHandler,Default_Handler
.weak I2C1_IRQHandler
.thumb_set I2C1_IRQHandler,Default_Handler
.weak I2C2_IRQHandler
.thumb_set I2C2_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 USART3_4_5_6_IRQHandler
.thumb_set USART3_4_5_6_IRQHandler,Default_Handler
.weak USB_IRQHandler
.thumb_set USB_IRQHandler,Default_Handler
.weak SystemInit
/************************ (C) COPYRIGHT STMicroelectonics *****END OF FILE****/