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- /**
- ******************************************************************************
- * @file startup_stm32f446xx.s
- * @author MCD Application Team
- * @brief STM32F446xx Devices vector table for GCC based toolchains.
- * 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
- *
- * <h2><center>© Copyright (c) 2017 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
- /* stack used for SystemInit_ExtMemCtl; always internal RAM used */
- /**
- * @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 sp, =_estack /* 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
- bx lr
- .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 M3. 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
-
- /* External Interrupts */
- .word WWDG_IRQHandler /* Window WatchDog */
- .word PVD_IRQHandler /* PVD through EXTI Line detection */
- .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXTI line */
- .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EXTI line */
- .word FLASH_IRQHandler /* FLASH */
- .word RCC_IRQHandler /* RCC */
- .word EXTI0_IRQHandler /* EXTI Line0 */
- .word EXTI1_IRQHandler /* EXTI Line1 */
- .word EXTI2_IRQHandler /* EXTI Line2 */
- .word EXTI3_IRQHandler /* EXTI Line3 */
- .word EXTI4_IRQHandler /* EXTI Line4 */
- .word DMA1_Stream0_IRQHandler /* DMA1 Stream 0 */
- .word DMA1_Stream1_IRQHandler /* DMA1 Stream 1 */
- .word DMA1_Stream2_IRQHandler /* DMA1 Stream 2 */
- .word DMA1_Stream3_IRQHandler /* DMA1 Stream 3 */
- .word DMA1_Stream4_IRQHandler /* DMA1 Stream 4 */
- .word DMA1_Stream5_IRQHandler /* DMA1 Stream 5 */
- .word DMA1_Stream6_IRQHandler /* DMA1 Stream 6 */
- .word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */
- .word CAN1_TX_IRQHandler /* CAN1 TX */
- .word CAN1_RX0_IRQHandler /* CAN1 RX0 */
- .word CAN1_RX1_IRQHandler /* CAN1 RX1 */
- .word CAN1_SCE_IRQHandler /* CAN1 SCE */
- .word EXTI9_5_IRQHandler /* External Line[9:5]s */
- .word TIM1_BRK_TIM9_IRQHandler /* TIM1 Break and TIM9 */
- .word TIM1_UP_TIM10_IRQHandler /* TIM1 Update and TIM10 */
- .word TIM1_TRG_COM_TIM11_IRQHandler /* TIM1 Trigger and Commutation and TIM11 */
- .word TIM1_CC_IRQHandler /* TIM1 Capture Compare */
- .word TIM2_IRQHandler /* TIM2 */
- .word TIM3_IRQHandler /* TIM3 */
- .word TIM4_IRQHandler /* TIM4 */
- .word I2C1_EV_IRQHandler /* I2C1 Event */
- .word I2C1_ER_IRQHandler /* I2C1 Error */
- .word I2C2_EV_IRQHandler /* I2C2 Event */
- .word I2C2_ER_IRQHandler /* I2C2 Error */
- .word SPI1_IRQHandler /* SPI1 */
- .word SPI2_IRQHandler /* SPI2 */
- .word USART1_IRQHandler /* USART1 */
- .word USART2_IRQHandler /* USART2 */
- .word USART3_IRQHandler /* USART3 */
- .word EXTI15_10_IRQHandler /* External Line[15:10]s */
- .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EXTI Line */
- .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EXTI line */
- .word TIM8_BRK_TIM12_IRQHandler /* TIM8 Break and TIM12 */
- .word TIM8_UP_TIM13_IRQHandler /* TIM8 Update and TIM13 */
- .word TIM8_TRG_COM_TIM14_IRQHandler /* TIM8 Trigger and Commutation and TIM14 */
- .word TIM8_CC_IRQHandler /* TIM8 Capture Compare */
- .word DMA1_Stream7_IRQHandler /* DMA1 Stream7 */
- .word FMC_IRQHandler /* FMC */
- .word SDIO_IRQHandler /* SDIO */
- .word TIM5_IRQHandler /* TIM5 */
- .word SPI3_IRQHandler /* SPI3 */
- .word UART4_IRQHandler /* UART4 */
- .word UART5_IRQHandler /* UART5 */
- .word TIM6_DAC_IRQHandler /* TIM6 and DAC1&2 underrun errors */
- .word TIM7_IRQHandler /* TIM7 */
- .word DMA2_Stream0_IRQHandler /* DMA2 Stream 0 */
- .word DMA2_Stream1_IRQHandler /* DMA2 Stream 1 */
- .word DMA2_Stream2_IRQHandler /* DMA2 Stream 2 */
- .word DMA2_Stream3_IRQHandler /* DMA2 Stream 3 */
- .word DMA2_Stream4_IRQHandler /* DMA2 Stream 4 */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word CAN2_TX_IRQHandler /* CAN2 TX */
- .word CAN2_RX0_IRQHandler /* CAN2 RX0 */
- .word CAN2_RX1_IRQHandler /* CAN2 RX1 */
- .word CAN2_SCE_IRQHandler /* CAN2 SCE */
- .word OTG_FS_IRQHandler /* USB OTG FS */
- .word DMA2_Stream5_IRQHandler /* DMA2 Stream 5 */
- .word DMA2_Stream6_IRQHandler /* DMA2 Stream 6 */
- .word DMA2_Stream7_IRQHandler /* DMA2 Stream 7 */
- .word USART6_IRQHandler /* USART6 */
- .word I2C3_EV_IRQHandler /* I2C3 event */
- .word I2C3_ER_IRQHandler /* I2C3 error */
- .word OTG_HS_EP1_OUT_IRQHandler /* USB OTG HS End Point 1 Out */
- .word OTG_HS_EP1_IN_IRQHandler /* USB OTG HS End Point 1 In */
- .word OTG_HS_WKUP_IRQHandler /* USB OTG HS Wakeup through EXTI */
- .word OTG_HS_IRQHandler /* USB OTG HS */
- .word DCMI_IRQHandler /* DCMI */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word FPU_IRQHandler /* FPU */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word SPI4_IRQHandler /* SPI4 */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word SAI1_IRQHandler /* SAI1 */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word 0 /* Reserved */
- .word SAI2_IRQHandler /* SAI2 */
- .word QUADSPI_IRQHandler /* QuadSPI */
- .word CEC_IRQHandler /* CEC */
- .word SPDIF_RX_IRQHandler /* SPDIF RX */
- .word FMPI2C1_EV_IRQHandler /* FMPI2C 1 Event */
- .word FMPI2C1_ER_IRQHandler /* FMPI2C 1 Error */
-
- /*******************************************************************************
- *
- * 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 TAMP_STAMP_IRQHandler
- .thumb_set TAMP_STAMP_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_Stream0_IRQHandler
- .thumb_set DMA1_Stream0_IRQHandler,Default_Handler
-
- .weak DMA1_Stream1_IRQHandler
- .thumb_set DMA1_Stream1_IRQHandler,Default_Handler
-
- .weak DMA1_Stream2_IRQHandler
- .thumb_set DMA1_Stream2_IRQHandler,Default_Handler
-
- .weak DMA1_Stream3_IRQHandler
- .thumb_set DMA1_Stream3_IRQHandler,Default_Handler
-
- .weak DMA1_Stream4_IRQHandler
- .thumb_set DMA1_Stream4_IRQHandler,Default_Handler
-
- .weak DMA1_Stream5_IRQHandler
- .thumb_set DMA1_Stream5_IRQHandler,Default_Handler
-
- .weak DMA1_Stream6_IRQHandler
- .thumb_set DMA1_Stream6_IRQHandler,Default_Handler
-
- .weak ADC_IRQHandler
- .thumb_set ADC_IRQHandler,Default_Handler
-
- .weak CAN1_TX_IRQHandler
- .thumb_set CAN1_TX_IRQHandler,Default_Handler
-
- .weak CAN1_RX0_IRQHandler
- .thumb_set CAN1_RX0_IRQHandler,Default_Handler
-
- .weak CAN1_RX1_IRQHandler
- .thumb_set CAN1_RX1_IRQHandler,Default_Handler
-
- .weak CAN1_SCE_IRQHandler
- .thumb_set CAN1_SCE_IRQHandler,Default_Handler
-
- .weak EXTI9_5_IRQHandler
- .thumb_set EXTI9_5_IRQHandler,Default_Handler
-
- .weak TIM1_BRK_TIM9_IRQHandler
- .thumb_set TIM1_BRK_TIM9_IRQHandler,Default_Handler
-
- .weak TIM1_UP_TIM10_IRQHandler
- .thumb_set TIM1_UP_TIM10_IRQHandler,Default_Handler
- .weak TIM1_TRG_COM_TIM11_IRQHandler
- .thumb_set TIM1_TRG_COM_TIM11_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 OTG_FS_WKUP_IRQHandler
- .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler
-
- .weak TIM8_BRK_TIM12_IRQHandler
- .thumb_set TIM8_BRK_TIM12_IRQHandler,Default_Handler
-
- .weak TIM8_UP_TIM13_IRQHandler
- .thumb_set TIM8_UP_TIM13_IRQHandler,Default_Handler
-
- .weak TIM8_TRG_COM_TIM14_IRQHandler
- .thumb_set TIM8_TRG_COM_TIM14_IRQHandler,Default_Handler
-
- .weak TIM8_CC_IRQHandler
- .thumb_set TIM8_CC_IRQHandler,Default_Handler
-
- .weak DMA1_Stream7_IRQHandler
- .thumb_set DMA1_Stream7_IRQHandler,Default_Handler
-
- .weak FMC_IRQHandler
- .thumb_set FMC_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_DAC_IRQHandler
- .thumb_set TIM6_DAC_IRQHandler,Default_Handler
-
- .weak TIM7_IRQHandler
- .thumb_set TIM7_IRQHandler,Default_Handler
-
- .weak DMA2_Stream0_IRQHandler
- .thumb_set DMA2_Stream0_IRQHandler,Default_Handler
-
- .weak DMA2_Stream1_IRQHandler
- .thumb_set DMA2_Stream1_IRQHandler,Default_Handler
-
- .weak DMA2_Stream2_IRQHandler
- .thumb_set DMA2_Stream2_IRQHandler,Default_Handler
-
- .weak DMA2_Stream3_IRQHandler
- .thumb_set DMA2_Stream3_IRQHandler,Default_Handler
-
- .weak DMA2_Stream4_IRQHandler
- .thumb_set DMA2_Stream4_IRQHandler,Default_Handler
- .weak CAN2_TX_IRQHandler
- .thumb_set CAN2_TX_IRQHandler,Default_Handler
-
- .weak CAN2_RX0_IRQHandler
- .thumb_set CAN2_RX0_IRQHandler,Default_Handler
-
- .weak CAN2_RX1_IRQHandler
- .thumb_set CAN2_RX1_IRQHandler,Default_Handler
-
- .weak CAN2_SCE_IRQHandler
- .thumb_set CAN2_SCE_IRQHandler,Default_Handler
-
- .weak OTG_FS_IRQHandler
- .thumb_set OTG_FS_IRQHandler,Default_Handler
-
- .weak DMA2_Stream5_IRQHandler
- .thumb_set DMA2_Stream5_IRQHandler,Default_Handler
-
- .weak DMA2_Stream6_IRQHandler
- .thumb_set DMA2_Stream6_IRQHandler,Default_Handler
-
- .weak DMA2_Stream7_IRQHandler
- .thumb_set DMA2_Stream7_IRQHandler,Default_Handler
-
- .weak USART6_IRQHandler
- .thumb_set USART6_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 OTG_HS_EP1_OUT_IRQHandler
- .thumb_set OTG_HS_EP1_OUT_IRQHandler,Default_Handler
-
- .weak OTG_HS_EP1_IN_IRQHandler
- .thumb_set OTG_HS_EP1_IN_IRQHandler,Default_Handler
-
- .weak OTG_HS_WKUP_IRQHandler
- .thumb_set OTG_HS_WKUP_IRQHandler,Default_Handler
-
- .weak OTG_HS_IRQHandler
- .thumb_set OTG_HS_IRQHandler,Default_Handler
-
- .weak DCMI_IRQHandler
- .thumb_set DCMI_IRQHandler,Default_Handler
- .weak FPU_IRQHandler
- .thumb_set FPU_IRQHandler,Default_Handler
- .weak SPI4_IRQHandler
- .thumb_set SPI4_IRQHandler,Default_Handler
- .weak SAI1_IRQHandler
- .thumb_set SAI1_IRQHandler,Default_Handler
- .weak SAI2_IRQHandler
- .thumb_set SAI2_IRQHandler,Default_Handler
-
- .weak QUADSPI_IRQHandler
- .thumb_set QUADSPI_IRQHandler,Default_Handler
-
- .weak CEC_IRQHandler
- .thumb_set CEC_IRQHandler,Default_Handler
-
- .weak SPDIF_RX_IRQHandler
- .thumb_set SPDIF_RX_IRQHandler,Default_Handler
-
- .weak FMPI2C1_EV_IRQHandler
- .thumb_set FMPI2C1_EV_IRQHandler,Default_Handler
-
- .weak FMPI2C1_ER_IRQHandler
- .thumb_set FMPI2C1_ER_IRQHandler,Default_Handler
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
-
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