| /** |
| ****************************************************************************** |
| * @file startup_stm32g473xx.s |
| * @author MCD Application Team |
| * @brief STM32G473xx devices vector table 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, |
| * - Configure the clock system |
| * - 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 |
| * |
| * <h2><center>© Copyright (c) 2019 STMicroelectronics. |
| * All rights reserved.</center></h2> |
| * |
| * This software component is licensed by ST 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-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 |
| |
| .equ BootRAM, 0xF1E0F85F |
| /** |
| * @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 */ |
| |
| /* 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 the clock system intitialization function.*/ |
| bl SystemInit |
| /* 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 minimal vector table for a Cortex-M4. 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 |
| .word PVD_PVM_IRQHandler |
| .word RTC_TAMP_LSECSS_IRQHandler |
| .word RTC_WKUP_IRQHandler |
| .word FLASH_IRQHandler |
| .word RCC_IRQHandler |
| .word EXTI0_IRQHandler |
| .word EXTI1_IRQHandler |
| .word EXTI2_IRQHandler |
| .word EXTI3_IRQHandler |
| .word EXTI4_IRQHandler |
| .word DMA1_Channel1_IRQHandler |
| .word DMA1_Channel2_IRQHandler |
| .word DMA1_Channel3_IRQHandler |
| .word DMA1_Channel4_IRQHandler |
| .word DMA1_Channel5_IRQHandler |
| .word DMA1_Channel6_IRQHandler |
| .word DMA1_Channel7_IRQHandler |
| .word ADC1_2_IRQHandler |
| .word USB_HP_IRQHandler |
| .word USB_LP_IRQHandler |
| .word FDCAN1_IT0_IRQHandler |
| .word FDCAN1_IT1_IRQHandler |
| .word EXTI9_5_IRQHandler |
| .word TIM1_BRK_TIM15_IRQHandler |
| .word TIM1_UP_TIM16_IRQHandler |
| .word TIM1_TRG_COM_TIM17_IRQHandler |
| .word TIM1_CC_IRQHandler |
| .word TIM2_IRQHandler |
| .word TIM3_IRQHandler |
| .word TIM4_IRQHandler |
| .word I2C1_EV_IRQHandler |
| .word I2C1_ER_IRQHandler |
| .word I2C2_EV_IRQHandler |
| .word I2C2_ER_IRQHandler |
| .word SPI1_IRQHandler |
| .word SPI2_IRQHandler |
| .word USART1_IRQHandler |
| .word USART2_IRQHandler |
| .word USART3_IRQHandler |
| .word EXTI15_10_IRQHandler |
| .word RTC_Alarm_IRQHandler |
| .word USBWakeUp_IRQHandler |
| .word TIM8_BRK_IRQHandler |
| .word TIM8_UP_IRQHandler |
| .word TIM8_TRG_COM_IRQHandler |
| .word TIM8_CC_IRQHandler |
| .word ADC3_IRQHandler |
| .word FMC_IRQHandler |
| .word LPTIM1_IRQHandler |
| .word TIM5_IRQHandler |
| .word SPI3_IRQHandler |
| .word UART4_IRQHandler |
| .word UART5_IRQHandler |
| .word TIM6_DAC_IRQHandler |
| .word TIM7_DAC_IRQHandler |
| .word DMA2_Channel1_IRQHandler |
| .word DMA2_Channel2_IRQHandler |
| .word DMA2_Channel3_IRQHandler |
| .word DMA2_Channel4_IRQHandler |
| .word DMA2_Channel5_IRQHandler |
| .word ADC4_IRQHandler |
| .word ADC5_IRQHandler |
| .word UCPD1_IRQHandler |
| .word COMP1_2_3_IRQHandler |
| .word COMP4_5_6_IRQHandler |
| .word COMP7_IRQHandler |
| .word 0 |
| .word 0 |
| .word 0 |
| .word 0 |
| .word 0 |
| .word 0 |
| .word 0 |
| .word 0 |
| .word CRS_IRQHandler |
| .word SAI1_IRQHandler |
| .word TIM20_BRK_IRQHandler |
| .word TIM20_UP_IRQHandler |
| .word TIM20_TRG_COM_IRQHandler |
| .word TIM20_CC_IRQHandler |
| .word FPU_IRQHandler |
| .word I2C4_EV_IRQHandler |
| .word I2C4_ER_IRQHandler |
| .word SPI4_IRQHandler |
| .word 0 |
| .word FDCAN2_IT0_IRQHandler |
| .word FDCAN2_IT1_IRQHandler |
| .word FDCAN3_IT0_IRQHandler |
| .word FDCAN3_IT1_IRQHandler |
| .word RNG_IRQHandler |
| .word LPUART1_IRQHandler |
| .word I2C3_EV_IRQHandler |
| .word I2C3_ER_IRQHandler |
| .word DMAMUX_OVR_IRQHandler |
| .word QUADSPI_IRQHandler |
| .word DMA1_Channel8_IRQHandler |
| .word DMA2_Channel6_IRQHandler |
| .word DMA2_Channel7_IRQHandler |
| .word DMA2_Channel8_IRQHandler |
| .word CORDIC_IRQHandler |
| .word FMAC_IRQHandler |
| |
| /******************************************************************************* |
| * |
| * 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 RTC_TAMP_LSECSS_IRQHandler |
| .thumb_set RTC_TAMP_LSECSS_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 ADC1_2_IRQHandler |
| .thumb_set ADC1_2_IRQHandler,Default_Handler |
| |
| .weak USB_HP_IRQHandler |
| .thumb_set USB_HP_IRQHandler,Default_Handler |
| |
| .weak USB_LP_IRQHandler |
| .thumb_set USB_LP_IRQHandler,Default_Handler |
| |
| .weak FDCAN1_IT0_IRQHandler |
| .thumb_set FDCAN1_IT0_IRQHandler,Default_Handler |
| |
| .weak FDCAN1_IT1_IRQHandler |
| .thumb_set FDCAN1_IT1_IRQHandler,Default_Handler |
| |
| .weak EXTI9_5_IRQHandler |
| .thumb_set EXTI9_5_IRQHandler,Default_Handler |
| |
| .weak TIM1_BRK_TIM15_IRQHandler |
| .thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler |
| |
| .weak TIM1_UP_TIM16_IRQHandler |
| .thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler |
| |
| .weak TIM1_TRG_COM_TIM17_IRQHandler |
| .thumb_set TIM1_TRG_COM_TIM17_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 RTC_Alarm_IRQHandler |
| .thumb_set RTC_Alarm_IRQHandler,Default_Handler |
| |
| .weak USBWakeUp_IRQHandler |
| .thumb_set USBWakeUp_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 FMC_IRQHandler |
| .thumb_set FMC_IRQHandler,Default_Handler |
| |
| .weak LPTIM1_IRQHandler |
| .thumb_set LPTIM1_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_DAC_IRQHandler |
| .thumb_set TIM6_DAC_IRQHandler,Default_Handler |
| |
| .weak TIM7_DAC_IRQHandler |
| .thumb_set TIM7_DAC_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 ADC4_IRQHandler |
| .thumb_set ADC4_IRQHandler,Default_Handler |
| |
| .weak ADC5_IRQHandler |
| .thumb_set ADC5_IRQHandler,Default_Handler |
| |
| .weak UCPD1_IRQHandler |
| .thumb_set UCPD1_IRQHandler,Default_Handler |
| |
| .weak COMP1_2_3_IRQHandler |
| .thumb_set COMP1_2_3_IRQHandler,Default_Handler |
| |
| .weak COMP4_5_6_IRQHandler |
| .thumb_set COMP4_5_6_IRQHandler,Default_Handler |
| |
| .weak COMP7_IRQHandler |
| .thumb_set COMP7_IRQHandler,Default_Handler |
| |
| .weak CRS_IRQHandler |
| .thumb_set CRS_IRQHandler,Default_Handler |
| |
| .weak SAI1_IRQHandler |
| .thumb_set SAI1_IRQHandler,Default_Handler |
| |
| .weak TIM20_BRK_IRQHandler |
| .thumb_set TIM20_BRK_IRQHandler,Default_Handler |
| |
| .weak TIM20_UP_IRQHandler |
| .thumb_set TIM20_UP_IRQHandler,Default_Handler |
| |
| .weak TIM20_TRG_COM_IRQHandler |
| .thumb_set TIM20_TRG_COM_IRQHandler,Default_Handler |
| |
| .weak TIM20_CC_IRQHandler |
| .thumb_set TIM20_CC_IRQHandler,Default_Handler |
| |
| .weak FPU_IRQHandler |
| .thumb_set FPU_IRQHandler,Default_Handler |
| |
| .weak I2C4_EV_IRQHandler |
| .thumb_set I2C4_EV_IRQHandler,Default_Handler |
| |
| .weak I2C4_ER_IRQHandler |
| .thumb_set I2C4_ER_IRQHandler,Default_Handler |
| |
| .weak SPI4_IRQHandler |
| .thumb_set SPI4_IRQHandler,Default_Handler |
| |
| .weak FDCAN2_IT0_IRQHandler |
| .thumb_set FDCAN2_IT0_IRQHandler,Default_Handler |
| |
| .weak FDCAN2_IT1_IRQHandler |
| .thumb_set FDCAN2_IT1_IRQHandler,Default_Handler |
| |
| .weak FDCAN3_IT0_IRQHandler |
| .thumb_set FDCAN3_IT0_IRQHandler,Default_Handler |
| |
| .weak FDCAN3_IT1_IRQHandler |
| .thumb_set FDCAN3_IT1_IRQHandler,Default_Handler |
| |
| .weak RNG_IRQHandler |
| .thumb_set RNG_IRQHandler,Default_Handler |
| |
| .weak LPUART1_IRQHandler |
| .thumb_set LPUART1_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 DMAMUX_OVR_IRQHandler |
| .thumb_set DMAMUX_OVR_IRQHandler,Default_Handler |
| |
| .weak QUADSPI_IRQHandler |
| .thumb_set QUADSPI_IRQHandler,Default_Handler |
| |
| .weak DMA1_Channel8_IRQHandler |
| .thumb_set DMA1_Channel8_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 DMA2_Channel8_IRQHandler |
| .thumb_set DMA2_Channel8_IRQHandler,Default_Handler |
| |
| .weak CORDIC_IRQHandler |
| .thumb_set CORDIC_IRQHandler,Default_Handler |
| |
| .weak FMAC_IRQHandler |
| .thumb_set FMAC_IRQHandler,Default_Handler |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |