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view Discovery/Src/startup_stm32f429xx.s @ 604:fb5bb04ad914
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| author | Ideenmodellierer |
|---|---|
| date | Wed, 06 Jan 2021 21:01:00 +0100 |
| parents | 5f11787b4f42 |
| children |
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/***************************************************************************** *** -*- coding: UTF-8 -*- *** *** \file Discovery/Src/startup_stm32f429xx.s *** \brief STM32F427xx Devices vector table *** \author Heinrichs Weikamp gmbh *** \date 15-December-2014 *** *** \details *** STM32F427xx Devices vector table *** 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. *** *** $Id$ ****************************************************************************** *** \par Copyright (c) 2014-2018 Heinrichs Weikamp gmbh *** *** This program is free software: you can redistribute it and/or modify *** it under the terms of the GNU General Public License as published by *** the Free Software Foundation, either version 3 of the License, or *** (at your option) any later version. *** *** This program is distributed in the hope that it will be useful, *** but WITHOUT ANY WARRANTY; without even the implied warranty of *** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *** GNU General Public License for more details. *** *** You should have received a copy of the GNU General Public License *** along with this program. If not, see <http://www.gnu.org/licenses/>. ****************************************************************************** *** \par Copyright (c) 2014 STMicroelectronics *** *** Redistribution and use in source and binary forms, with or without modification, *** are permitted provided that the following conditions are met: *** 1. Redistributions of source code must retain the above copyright notice, *** this list of conditions and the following disclaimer. *** 2. Redistributions in binary form must reproduce the above copyright notice, *** this list of conditions and the following disclaimer in the documentation *** and/or other materials provided with the distribution. *** 3. Neither the name of STMicroelectronics nor the names of its contributors *** may be used to endorse or promote products derived from this software *** without specific prior written permission. *** *** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" *** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE *** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE *** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL *** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR *** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER *** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, *** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *****************************************************************************/ .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 */ movs r1, #0 b LoopCopyDataInit CopyDataInit: ldr r3, =_sidata ldr r3, [r3, r1] str r3, [r0, r1] adds r1, r1, #4 LoopCopyDataInit: ldr r0, =_sdata ldr r3, =_edata adds r2, r0, r1 cmp r2, r3 bcc CopyDataInit ldr r2, =_sbss b LoopFillZerobss /* Zero fill the bss segment. */ FillZerobss: movs r3, #0 str r3, [r2], #4 LoopFillZerobss: ldr r3, = _ebss cmp r2, r3 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 ETH_IRQHandler /* Ethernet */ .word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EXTI line */ .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 HASH_RNG_IRQHandler /* Hash and Rng */ .word FPU_IRQHandler /* FPU */ .word UART7_IRQHandler /* UART7 */ .word UART8_IRQHandler /* UART8 */ .word SPI4_IRQHandler /* SPI4 */ .word SPI5_IRQHandler /* SPI5 */ .word SPI6_IRQHandler /* SPI6 */ .word SAI1_IRQHandler /* SAI1 */ .word LTDC_IRQHandler /* LTDC_IRQHandler */ .word LTDC_ER_IRQHandler /* LTDC_ER_IRQHandler */ .word DMA2D_IRQHandler /* DMA2D */ /******************************************************************************* * * 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 ETH_IRQHandler .thumb_set ETH_IRQHandler,Default_Handler .weak ETH_WKUP_IRQHandler .thumb_set ETH_WKUP_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 HASH_RNG_IRQHandler .thumb_set HASH_RNG_IRQHandler,Default_Handler .weak FPU_IRQHandler .thumb_set FPU_IRQHandler,Default_Handler .weak UART7_IRQHandler .thumb_set UART7_IRQHandler,Default_Handler .weak UART8_IRQHandler .thumb_set UART8_IRQHandler,Default_Handler .weak SPI4_IRQHandler .thumb_set SPI4_IRQHandler,Default_Handler .weak SPI5_IRQHandler .thumb_set SPI5_IRQHandler,Default_Handler .weak SPI6_IRQHandler .thumb_set SPI6_IRQHandler,Default_Handler .weak SAI1_IRQHandler .thumb_set SAI1_IRQHandler,Default_Handler .weak LTDC_IRQHandler .thumb_set LTDC_IRQHandler,Default_Handler .weak LTDC_ER_IRQHandler .thumb_set LTDC_ER_IRQHandler,Default_Handler .weak DMA2D_IRQHandler .thumb_set DMA2D_IRQHandler,Default_Handler