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startup_stm32f103c8tx.s
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/**
******************************************************************************
* @file : startup_stm32f103c8tx.s
* @author : STMicroElectronics (Downloaded from websites)
* @brief STM32F103C8Tx 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
*
* This software component is licensed by Rohit Nimkar under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
.syntax unified
.cpu cortex-m3
.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 STM32F103C8Tx 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_IRQHandler /* PVD through EXTI line detection interrupt */
.word TAMPER_IRQHandler /* Tamper interrupt */
.word RTC_IRQHandler /* RTC global interrupt */
.word FLASH_IRQHandler /* Flash global interrupt */
.word RCC_IRQHandler /* RCC global interrupt */
.word EXTI0_IRQHandler /* EXTI Line0 interrupt */
.word EXTI1_IRQHandler /* EXTI Line1 interrupt */
.word EXTI2_IRQHandler /* EXTI Line2 interrupt */
.word EXTI3_IRQHandler /* EXTI Line3 interrupt */
.word EXTI4_IRQHandler /* EXTI Line4 interrupt */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel1 global interrupt */
.word DMA1_Channel2_IRQHandler /* DMA1 Channel2 global interrupt */
.word DMA1_Channel3_IRQHandler /* DMA1 Channel3 global interrupt */
.word DMA1_Channel4_IRQHandler /* DMA1 Channel4 global interrupt */
.word DMA1_Channel5_IRQHandler /* DMA1 Channel5 global interrupt */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel6 global interrupt */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel7 global interrupt */
.word ADC1_2_IRQHandler /* ADC1 and ADC2 global interrupt */
.word USB_HP_CAN_TX_IRQHandler /* USB High Priority or CAN TX interrupts */
.word USB_LP_CAN_RX0_IRQHandler /* USB Low Priority or CAN RX0 interrupts */
.word CAN_RX1_IRQHandler /* CAN RX1 interrupt */
.word CAN_SCE_IRQHandler /* CAN SCE interrupt */
.word EXTI9_5_IRQHandler /* EXTI Line[9:5] interrupts */
.word TIM1_BRK_IRQHandler /* TIM1 Break interrupt */
.word TIM1_UP_IRQHandler /* TIM1 Update interrupt */
.word TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation interrupts */
.word TIM1_CC_IRQHandler /* TIM1 Capture Compare interrupt */
.word TIM2_IRQHandler /* TIM2 global interrupt */
.word TIM3_IRQHandler /* TIM3 global interrupt */
.word TIM4_IRQHandler /* TIM4 global interrupt */
.word I2C1_EV_IRQHandler /* I2C1 event interrupt */
.word I2C1_ER_IRQHandler /* I2C1 error interrupt */
.word I2C2_EV_IRQHandler /* I2C2 event 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 USART3_IRQHandler /* USART3 global interrupt */
.word EXTI15_10_IRQHandler /* EXTI Line[15:10] interrupts */
.word RTCAlarm_IRQHandler /* RTC Alarms through EXTI line interrupt */
.word 0 /* Reserved */
.word TIM8_BRK_IRQHandler /* TIM8 Break interrupt */
.word TIM8_UP_IRQHandler /* TIM8 Update interrupt */
.word TIM8_TRG_COM_IRQHandler /* TIM8 Trigger and Commutation interrupts */
.word TIM8_CC_IRQHandler /* TIM8 Capture Compare interrupt */
.word ADC3_IRQHandler /* ADC3 global interrupt */
.word FSMC_IRQHandler /* FSMC global interrupt */
.word SDIO_IRQHandler /* SDIO global interrupt */
.word TIM5_IRQHandler /* TIM5 global interrupt */
.word SPI3_IRQHandler /* SPI3 global interrupt */
.word UART4_IRQHandler /* UART4 global interrupt */
.word UART5_IRQHandler /* UART5 global interrupt */
.word TIM6_IRQHandler /* TIM6 global interrupt */
.word TIM7_IRQHandler /* TIM7 global interrupt */
.word DMA2_Channel1_IRQHandler /* DMA2 Channel1 global interrupt */
.word DMA2_Channel2_IRQHandler /* DMA2 Channel2 global interrupt */
.word DMA2_Channel3_IRQHandler /* DMA2 Channel3 global interrupt */
.word DMA2_Channel4_5_IRQHandler /* DMA2 Channel4 and DMA2 Channel5 global 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_IRQHandler
.thumb_set PVD_IRQHandler,Default_Handler
.weak TAMPER_IRQHandler
.thumb_set TAMPER_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_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 ADC1_2_IRQHandler
.thumb_set ADC1_2_IRQHandler,Default_Handler
.weak USB_HP_CAN_TX_IRQHandler
.thumb_set USB_HP_CAN_TX_IRQHandler,Default_Handler
.weak USB_LP_CAN_RX0_IRQHandler
.thumb_set USB_LP_CAN_RX0_IRQHandler,Default_Handler
.weak CAN_RX1_IRQHandler
.thumb_set CAN_RX1_IRQHandler,Default_Handler
.weak CAN_SCE_IRQHandler
.thumb_set CAN_SCE_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 TIM3_IRQHandler
.thumb_set TIM3_IRQHandler,Default_Handler
.weak TIM4_IRQHandler
.thumb_set TIM4_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 USART3_IRQHandler
.thumb_set USART3_IRQHandler,Default_Handler
.weak EXTI15_10_IRQHandler
.thumb_set EXTI15_10_IRQHandler,Default_Handler
.weak RTCAlarm_IRQHandler
.thumb_set RTCAlarm_IRQHandler,Default_Handler
.weak TIM8_BRK_IRQHandler
.thumb_set TIM8_BRK_IRQHandler,Default_Handler
.weak TIM8_UP_IRQHandler
.thumb_set TIM8_UP_IRQHandler,Default_Handler
.weak TIM8_TRG_COM_IRQHandler
.thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler
.weak TIM8_CC_IRQHandler
.thumb_set TIM8_CC_IRQHandler,Default_Handler
.weak ADC3_IRQHandler
.thumb_set ADC3_IRQHandler,Default_Handler
.weak FSMC_IRQHandler
.thumb_set FSMC_IRQHandler,Default_Handler
.weak SDIO_IRQHandler
.thumb_set SDIO_IRQHandler,Default_Handler
.weak TIM5_IRQHandler
.thumb_set TIM5_IRQHandler,Default_Handler
.weak SPI3_IRQHandler
.thumb_set SPI3_IRQHandler,Default_Handler
.weak UART4_IRQHandler
.thumb_set UART4_IRQHandler,Default_Handler
.weak UART5_IRQHandler
.thumb_set UART5_IRQHandler,Default_Handler
.weak TIM6_IRQHandler
.thumb_set TIM6_IRQHandler,Default_Handler
.weak TIM7_IRQHandler
.thumb_set TIM7_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_5_IRQHandler
.thumb_set DMA2_Channel4_5_IRQHandler,Default_Handler
.weak SystemInit
/************************ (C) COPYRIGHT STMicroelectonics *****END OF FILE****/