[问答]

stm32的启动文件startup_stm32f10x_hd.s主要包含哪几个部分

问答对人有帮助，内容完整，我也想知道答案 0 STM32的启动文件startup_stm32f10x_hd.s主要包含哪几个部分？怎样去编写startup_stm32f10x_hd.s启动文件的程序呢？ 0
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答案对人有帮助，有参考价值 0 stm32的启动文件startup_stm32f10x_hd.s主要包含以下6个部分：分配栈，包括大小和栈顶地址（不初始化）；分配堆，包括大小和堆起始地址（不初始化）；初始化中断向量表，将栈顶地址初始化为FLASH的0地址，复位程序为0X04地址，并将程序计数器指针PC指向复位程序0X04；复位程序；中断服务程序；初始化1和2分配的堆栈；以下是启动文件： ;****************** (C) COPYRIGHT 2011 STMicroelectronics ****************** ;* File Name : startup_stm32f10x_hd.s ;* Author : MCD Application Team ;* Version : V3.5.0 ;* Date : 11-March-2011 ;* Description : STM32F10x High Density Devices vector table for MDK-ARM ;* toolchain. ;* This module performs: ;* - Set the initial SP ;* - 初始化堆栈指针SP ;* - Set the initial PC == Reset_Handler ;* - 初始化PC指针 == Reset_Handler复位程序，上电复位后的第一个程序 ;* - Set the vector table entries with the exceptions ISR address ;* - 以规定的ISR（中断服务请求）地址来设置中断向量表 ;* - Configure the clock system and also configure the external ;* SRAM mounted on STM3210E-EVAL board to be used as data ;* memory (optional, to be enabled by user) ;* - 配置系统时钟，配置挂载到stm32板上的外部SRAM（可选项） ;* - Branches to __main in the C library (which eventually ;* calls main()). ;* - 调用Ck库函数 __main，去到C的世界 ;* After Reset the CortexM3 processor is in Thread mode, ;* priority is Privileged, and the Stack is set to Main. ;* <<< Use Configuration Wizard in Context Menu >>> ;***************************************************************************** ; THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS ; WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. ; AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, ; INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE ; CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING ; INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. ;***************************************************************************** ; 1-栈 ; Amount of memory (in bytes) allocated for Stack ; 为堆栈分配内存，以字节为单位 ; Tailor this value to your application needs ; 可以根据需要修改栈的大小 ; Stack Configuration ; 配置栈（栈就是一块内存）：变量（局部/全局），函数调用 ; Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> ; Stack_Size EQU 0x00000400 ; 定义栈大小 1024字节（1KB） AREA STACK, NOINIT, READWRITE, ALIGN=3 ; 告诉编译器汇编一个数据段，段名为STACK，不初始化，可读可写，8字节对齐 Stack_Mem SPACE Stack_Size ; 分配内存空间，单位字节，大小为Stack_Size __initial_sp ; 栈顶地址 ; 2-堆 ; Heap Configuration ; 配置堆，主要用于动态内存分配，malloc() ; Heap Size (in Bytes) <0x0-0xFFFFFFFF:8> ; Heap_Size EQU 0x00000200 ; 512字节 AREA HEAP, NOINIT, READWRITE, ALIGN=3 __heap_base Heap_Mem SPACE Heap_Size __heap_limit ; 堆起始地址 PRESERVE8 ; 当前堆栈以8字节对齐 THUMB ; 兼容THUMB指令集，THUMB是16位指令集，现在使用的THUMB-2是32位指令 ; 3-中断向量表 ; Vector Table Mapped to Address 0 at Reset ; 初始化中断向量表，向量表在复位时映射到地址0 AREA RESET, DATA, READONLY ; 汇编一个数据段，属性只读 EXPORT __Vectors ; 向量表起始地址 EXPORT __Vectors_End ; 向量表结束地址 EXPORT __Vectors_Size __Vectors DCD __initial_sp ; Top of Stack ; 把栈顶地址初始化成向量表的起始地址，解释如下： ; 向量表从FLASH的0地址开始放置，以4个字节为一个单位，地址0存放的是栈 ; 顶地址，0X04存放的是复位程序的地址，以此类推。从代码上看，向量表中存放 ; 的都是中断服务函数的函数名，可我们知道C语言中的函数名就是一个地址。 DCD Reset_Handler ; Reset Handler ; 初始化复位程序地址，地址0X04 DCD NMI_Handler ; NMI Handler DCD HardFault_Handler ; Hard Fault Handler DCD MemManage_Handler ; MPU Fault Handler DCD BusFault_Handler ; Bus Fault Handler DCD UsageFault_Handler ; Usage Fault Handler DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved DCD 0 ; Reserved DCD SVC_Handler ; SVCall Handler DCD DebugMon_Handler ; Debug Monitor Handler DCD 0 ; Reserved DCD PendSV_Handler ; PendSV Handler DCD SysTick_Handler ; SysTick Handler ; External Interrupts DCD WWDG_IRQHandler ; Window Watchdog DCD PVD_IRQHandler ; PVD through EXTI Line detect DCD TAMPER_IRQHandler ; Tamper DCD RTC_IRQHandler ; RTC DCD FLASH_IRQHandler ; Flash DCD RCC_IRQHandler ; RCC DCD EXTI0_IRQHandler ; EXTI Line 0 DCD EXTI1_IRQHandler ; EXTI Line 1 DCD EXTI2_IRQHandler ; EXTI Line 2 DCD EXTI3_IRQHandler ; EXTI Line 3 DCD EXTI4_IRQHandler ; EXTI Line 4 DCD DMA1_Channel1_IRQHandler ; DMA1 Channel 1 DCD DMA1_Channel2_IRQHandler ; DMA1 Channel 2 DCD DMA1_Channel3_IRQHandler ; DMA1 Channel 3 DCD DMA1_Channel4_IRQHandler ; DMA1 Channel 4 DCD DMA1_Channel5_IRQHandler ; DMA1 Channel 5 DCD DMA1_Channel6_IRQHandler ; DMA1 Channel 6 DCD DMA1_Channel7_IRQHandler ; DMA1 Channel 7 DCD ADC1_2_IRQHandler ; ADC1 & ADC2 DCD USB_HP_CAN1_TX_IRQHandler ; USB High Priority or CAN1 TX DCD USB_LP_CAN1_RX0_IRQHandler ; USB Low Priority or CAN1 RX0 DCD CAN1_RX1_IRQHandler ; CAN1 RX1 DCD CAN1_SCE_IRQHandler ; CAN1 SCE DCD EXTI9_5_IRQHandler ; EXTI Line 9..5 DCD TIM1_BRK_IRQHandler ; TIM1 Break DCD TIM1_UP_IRQHandler ; TIM1 Update DCD TIM1_TRG_COM_IRQHandler ; TIM1 Trigger and Commutation DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare DCD TIM2_IRQHandler ; TIM2 DCD TIM3_IRQHandler ; TIM3 DCD TIM4_IRQHandler ; TIM4 DCD I2C1_EV_IRQHandler ; I2C1 Event DCD I2C1_ER_IRQHandler ; I2C1 Error DCD I2C2_EV_IRQHandler ; I2C2 Event DCD I2C2_ER_IRQHandler ; I2C2 Error DCD SPI1_IRQHandler ; SPI1 DCD SPI2_IRQHandler ; SPI2 DCD USART1_IRQHandler ; USART1 DCD USART2_IRQHandler ; USART2 DCD USART3_IRQHandler ; USART3 DCD EXTI15_10_IRQHandler ; EXTI Line 15..10 DCD RTCAlarm_IRQHandler ; RTC Alarm through EXTI Line DCD USBWakeUp_IRQHandler ; USB Wakeup from suspend DCD TIM8_BRK_IRQHandler ; TIM8 Break DCD TIM8_UP_IRQHandler ; TIM8 Update DCD TIM8_TRG_COM_IRQHandler ; TIM8 Trigger and Commutation DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare DCD ADC3_IRQHandler ; ADC3 DCD FSMC_IRQHandler ; FSMC DCD SDIO_IRQHandler ; SDIO DCD TIM5_IRQHandler ; TIM5 DCD SPI3_IRQHandler ; SPI3 DCD UART4_IRQHandler ; UART4 DCD UART5_IRQHandler ; UART5 DCD TIM6_IRQHandler ; TIM6 DCD TIM7_IRQHandler ; TIM7 DCD DMA2_Channel1_IRQHandler ; DMA2 Channel1 DCD DMA2_Channel2_IRQHandler ; DMA2 Channel2 DCD DMA2_Channel3_IRQHandler ; DMA2 Channel3 DCD DMA2_Channel4_5_IRQHandler ; DMA2 Channel4 & Channel5 __Vectors_End __Vectors_Size EQU __Vectors_End - __Vectors ; 至此，向量表分配完成。 ; 4-复位程序 ; 开始进行复位程序，定义一个只读的代码段 AREA \|.text\|, CODE, READONLY ; Reset handler Reset_Handler PROC ; 定义子程序，与ENDP成对使用，表示子程序的开始和结束 EXPORT Reset_Handler [WEAK] ; 声明全局属性，弱定义 IMPORT __main ; 相当于c中的extern，从外部寻找一个__main函数 IMPORT SystemInit ; 寻找一个SystemInit系统时钟初始化函数 LDR R0, =SystemInit ; 把SystemInit函数地址加载到R0寄存器 BLX R0 ; 跳转到R0地址去执行函数 LDR R0, =__main BX R0 ; 加载 + 执行__main函数 ENDP ; 至此复位函数完成

2021-11-29 10:05:31 评论举报李童

答案对人有帮助，有参考价值 0 ; 5-中断服务程序 ; Dummy Exception Handlers (infinite loops which can be modified) ; 空的异常处理程序（无限循环），可以修改 NMI_Handler PROC ; PROC和ENDP定义了一个子程序 EXPORT NMI_Handler [WEAK] ; 声明全局属性，弱定义 B . ; 跳转到无限循环，B为跳转指令，·为无限循环 ENDP HardFault_Handler PROC EXPORT HardFault_Handler [WEAK] B . ENDP MemManage_Handler PROC EXPORT MemManage_Handler [WEAK] B . ENDP BusFault_Handler PROC EXPORT BusFault_Handler [WEAK] B . ENDP UsageFault_Handler PROC EXPORT UsageFault_Handler [WEAK] B . ENDP SVC_Handler PROC EXPORT SVC_Handler [WEAK] B . ENDP DebugMon_Handler PROC EXPORT DebugMon_Handler [WEAK] B . ENDP PendSV_Handler PROC EXPORT PendSV_Handler [WEAK] B . ENDP SysTick_Handler PROC EXPORT SysTick_Handler [WEAK] B . ENDP Default_Handler PROC EXPORT WWDG_IRQHandler [WEAK] EXPORT PVD_IRQHandler [WEAK] EXPORT TAMPER_IRQHandler [WEAK] EXPORT RTC_IRQHandler [WEAK] EXPORT FLASH_IRQHandler [WEAK] EXPORT RCC_IRQHandler [WEAK] EXPORT EXTI0_IRQHandler [WEAK] EXPORT EXTI1_IRQHandler [WEAK] EXPORT EXTI2_IRQHandler [WEAK] EXPORT EXTI3_IRQHandler [WEAK] EXPORT EXTI4_IRQHandler [WEAK] EXPORT DMA1_Channel1_IRQHandler [WEAK] EXPORT DMA1_Channel2_IRQHandler [WEAK] EXPORT DMA1_Channel3_IRQHandler [WEAK] EXPORT DMA1_Channel4_IRQHandler [WEAK] EXPORT DMA1_Channel5_IRQHandler [WEAK] EXPORT DMA1_Channel6_IRQHandler [WEAK] EXPORT DMA1_Channel7_IRQHandler [WEAK] EXPORT ADC1_2_IRQHandler [WEAK] EXPORT USB_HP_CAN1_TX_IRQHandler [WEAK] EXPORT USB_LP_CAN1_RX0_IRQHandler [WEAK] EXPORT CAN1_RX1_IRQHandler [WEAK] EXPORT CAN1_SCE_IRQHandler [WEAK] EXPORT EXTI9_5_IRQHandler [WEAK] EXPORT TIM1_BRK_IRQHandler [WEAK] EXPORT TIM1_UP_IRQHandler [WEAK] EXPORT TIM1_TRG_COM_IRQHandler [WEAK] EXPORT TIM1_CC_IRQHandler [WEAK] EXPORT TIM2_IRQHandler [WEAK] EXPORT TIM3_IRQHandler [WEAK] EXPORT TIM4_IRQHandler [WEAK] EXPORT I2C1_EV_IRQHandler [WEAK] EXPORT I2C1_ER_IRQHandler [WEAK] EXPORT I2C2_EV_IRQHandler [WEAK] EXPORT I2C2_ER_IRQHandler [WEAK] EXPORT SPI1_IRQHandler [WEAK] EXPORT SPI2_IRQHandler [WEAK] EXPORT USART1_IRQHandler [WEAK] EXPORT USART2_IRQHandler [WEAK] EXPORT USART3_IRQHandler [WEAK] EXPORT EXTI15_10_IRQHandler [WEAK] EXPORT RTCAlarm_IRQHandler [WEAK] EXPORT USBWakeUp_IRQHandler [WEAK] EXPORT TIM8_BRK_IRQHandler [WEAK] EXPORT TIM8_UP_IRQHandler [WEAK] EXPORT TIM8_TRG_COM_IRQHandler [WEAK] EXPORT TIM8_CC_IRQHandler [WEAK] EXPORT ADC3_IRQHandler [WEAK] EXPORT FSMC_IRQHandler [WEAK] EXPORT SDIO_IRQHandler [WEAK] EXPORT TIM5_IRQHandler [WEAK] EXPORT SPI3_IRQHandler [WEAK] EXPORT UART4_IRQHandler [WEAK] EXPORT UART5_IRQHandler [WEAK] EXPORT TIM6_IRQHandler [WEAK] EXPORT TIM7_IRQHandler [WEAK] EXPORT DMA2_Channel1_IRQHandler [WEAK] EXPORT DMA2_Channel2_IRQHandler [WEAK] EXPORT DMA2_Channel3_IRQHandler [WEAK] EXPORT DMA2_Channel4_5_IRQHandler [WEAK] WWDG_IRQHandler PVD_IRQHandler TAMPER_IRQHandler RTC_IRQHandler FLASH_IRQHandler RCC_IRQHandler EXTI0_IRQHandler EXTI1_IRQHandler EXTI2_IRQHandler EXTI3_IRQHandler EXTI4_IRQHandler DMA1_Channel1_IRQHandler DMA1_Channel2_IRQHandler DMA1_Channel3_IRQHandler DMA1_Channel4_IRQHandler DMA1_Channel5_IRQHandler DMA1_Channel6_IRQHandler DMA1_Channel7_IRQHandler ADC1_2_IRQHandler USB_HP_CAN1_TX_IRQHandler USB_LP_CAN1_RX0_IRQHandler CAN1_RX1_IRQHandler CAN1_SCE_IRQHandler EXTI9_5_IRQHandler TIM1_BRK_IRQHandler TIM1_UP_IRQHandler TIM1_TRG_COM_IRQHandler TIM1_CC_IRQHandler TIM2_IRQHandler TIM3_IRQHandler TIM4_IRQHandler I2C1_EV_IRQHandler I2C1_ER_IRQHandler I2C2_EV_IRQHandler I2C2_ER_IRQHandler SPI1_IRQHandler SPI2_IRQHandler USART1_IRQHandler USART2_IRQHandler USART3_IRQHandler EXTI15_10_IRQHandler RTCAlarm_IRQHandler USBWakeUp_IRQHandler TIM8_BRK_IRQHandler TIM8_UP_IRQHandler TIM8_TRG_COM_IRQHandler TIM8_CC_IRQHandler ADC3_IRQHandler FSMC_IRQHandler SDIO_IRQHandler TIM5_IRQHandler SPI3_IRQHandler UART4_IRQHandler UART5_IRQHandler TIM6_IRQHandler TIM7_IRQHandler DMA2_Channel1_IRQHandler DMA2_Channel2_IRQHandler DMA2_Channel3_IRQHandler DMA2_Channel4_5_IRQHandler B . ENDP ALIGN ; 6-堆栈的初始化 ;***************************************************************************** ; User Stack and Heap initialization ;*************************************************************************** IF :DEF:__MICROLIB ; 在IDE(mdk)中定义 EXPORT __initial_sp EXPORT __heap_base EXPORT __heap_limit ; 把栈顶地址，堆起始地址等声明为具有全局属性，供IDE调用 ELSE IMPORT __use_two_region_memory ; 由用户自己实现 EXPORT __user_initial_stackheap ; 执行__user_initial_stackheap（用户初始化堆栈函数） __user_initial_stackheap ; 初始化堆栈 LDR R0, = Heap_Mem LDR R1, =(Stack_Mem + Stack_Size) LDR R2, = (Heap_Mem + Heap_Size) LDR R3, = Stack_Mem BX LR ALIGN ENDIF END ;*************** (C) COPYRIGHT 2011 STMicroelectronics *END OF FILE***

2021-11-29 10:05:35 评论举报陈建华