分类: LINUX
2009-08-05 15:28:41
;/*****************************************************************************/ ;/* STM32F10x.s: Startup file for ST STM32F10x device series */ ;/*****************************************************************************/ ;/* <<< Use Configuration Wizard in Context Menu >>> */ ;/*****************************************************************************/ ;/* This file is part of the uVision/ARM development tools. */ ;/* Copyright (c) 2005-2007 Keil Software. All rights reserved. */ ;/* This software may only be used under the terms of a valid, current, */ ;/* end user licence from KEIL for a compatible version of KEIL software */ ;/* development tools. Nothing else gives you the right to use this software. */ ;/*****************************************************************************/ ;//Stack Configuration ;// Stack_Size EQU 0x00000200 ;AREA 伪指令用于定义一个代码段或数据段 AREA STACK, NOINIT, READWRITE, ALIGN=3 ;NOINIT:指定此数据段仅仅保留了内存单元,而没有将各初始值写入内存单元,或者将各个内存单元值初始化为0 Stack_Mem SPACE Stack_Size ;分配连续 Stack_Size 字节的存储单元并初始化为 0 __initial_sp ;//Stack Size (in Bytes) <0x0-0xFFFFFFFF:8> ;// Heap Configuration ;// Heap_Size EQU 0x00000000 AREA HEAP, NOINIT, READWRITE, ALIGN=3 __heap_base Heap_Mem SPACE Heap_Size __heap_limit ;PRESERVE8 指令指定当前文件保持堆栈八字节对齐。 它设置 PRES8 编译属性以通知链接器。 ;链接器检查要求堆栈八字节对齐的任何代码是否仅由保持堆栈八字节对齐的代码直接或间接地调用。 PRESERVE8 THUMB ;之后的都是THUMB指令 ; Vector Table Mapped to Address 0 at Reset AREA RESET, DATA, READONLY EXPORT __Vectors ;EXPORT:在程序中声明一个全局的标号__Vectors,该标号可在其他的文件中引用;IMPORT:伪指令用于通知编译器要使用的标号在其他的源文件中定义, ;但要在当前源文件中引用,而且无论当前源文件是否引用该标号,该标号均会被加入到当前源文件的符号表中 __Vectors DCD __initial_sp ; Top of Stack DCD Reset_Handler ; Reset Handler 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 DMAChannel1_IRQHandler ; DMA Channel 1 DCD DMAChannel2_IRQHandler ; DMA Channel 2 DCD DMAChannel3_IRQHandler ; DMA Channel 3 DCD DMAChannel4_IRQHandler ; DMA Channel 4 DCD DMAChannel5_IRQHandler ; DMA Channel 5 DCD DMAChannel6_IRQHandler ; DMA Channel 6 DCD DMAChannel7_IRQHandler ; DMA Channel 7 DCD ADC_IRQHandler ; ADC DCD USB_HP_CAN_TX_IRQHandler ; USB High Priority or CAN TX DCD USB_LP_CAN_RX0_IRQHandler ; USB Low Priority or CAN RX0 DCD CAN_RX1_IRQHandler ; CAN RX1 DCD CAN_SCE_IRQHandler ; CAN 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 AREA |.text|, CODE, READONLY ; Reset Handler ;利用PROC、ENDP这一对伪指令把程序段分为若干个过程,使程序的结构加清晰 Reset_Handler PROC ;过程的开始 EXPORT Reset_Handler [WEAK] IMPORT __main LDR R0, =__main BX R0 ENDP ;过程的结束 ; Dummy Exception Handlers (infinite loops which can be modified) NMI_Handler PROC EXPORT NMI_Handler [WEAK] B . 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 DMAChannel1_IRQHandler [WEAK] EXPORT DMAChannel2_IRQHandler [WEAK] EXPORT DMAChannel3_IRQHandler [WEAK] EXPORT DMAChannel4_IRQHandler [WEAK] EXPORT DMAChannel5_IRQHandler [WEAK] EXPORT DMAChannel6_IRQHandler [WEAK] EXPORT DMAChannel7_IRQHandler [WEAK] EXPORT ADC_IRQHandler [WEAK] EXPORT USB_HP_CAN_TX_IRQHandler [WEAK] EXPORT USB_LP_CAN_RX0_IRQHandler [WEAK] EXPORT CAN_RX1_IRQHandler [WEAK] EXPORT CAN_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] WWDG_IRQHandler PVD_IRQHandler TAMPER_IRQHandler RTC_IRQHandler FLASH_IRQHandler RCC_IRQHandler EXTI0_IRQHandler EXTI1_IRQHandler EXTI2_IRQHandler EXTI3_IRQHandler EXTI4_IRQHandler DMAChannel1_IRQHandler DMAChannel2_IRQHandler DMAChannel3_IRQHandler DMAChannel4_IRQHandler DMAChannel5_IRQHandler DMAChannel6_IRQHandler DMAChannel7_IRQHandler ADC_IRQHandler USB_HP_CAN_TX_IRQHandler USB_LP_CAN_RX0_IRQHandler CAN_RX1_IRQHandler CAN_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 B . ENDP ALIGN ; User Initial Stack & Heap IF :DEF:__MICROLIB EXPORT __initial_sp EXPORT __heap_base EXPORT __heap_limit ELSE IMPORT __use_two_region_memory EXPORT __user_initial_stackheap __user_initial_stackheap LDR R0, = Heap_Mem LDR R1, =(Stack_Mem + Stack_Size) LDR R2, = (Heap_Mem + Heap_Size) LDR R3, = Stack_Mem BX LR ALIGN ENDIF ENDHeap Size (in Bytes) <0x0-0xFFFFFFFF:8> ;//