; Amount of memory (in bytes) allocated for Stackapp
; Tailor this value to your application needselectron
; <h> Stack Configuration函數
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>oop
; </h>this
Stack_Size EQU 0x00000400 ;棧大小spa
AREA STACK, NOINIT, READWRITE, ALIGN=3編譯器
;用AREA 標記 STACK段的開始,未初始化,可讀寫,8字節對齊it
Stack_Mem SPACE Stack_Size ;爲Stack_Mem 分配Stack_Size個字大小的連續空間,初始化爲0io
__initial_sp ;STACK 地址分配結束標記(結束地址)編譯
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000200 ;堆大小
AREA HEAP, NOINIT, READWRITE, ALIGN=3
;用AREA 標記 HEAP段的開始,未初始化,可讀寫,8字節對齊
__heap_base ;堆的基地址標識(開始地址),(彙編過程當中實際分配具體地址)
Heap_Mem SPACE Heap_Size ;爲Heap_Mem 分配Heap_Size個字大小的連續空間,初始化爲0
__heap_limit ;堆的末地址標記(結束地址)
PRESERVE8 ;要求堆棧保持8字節對齊
THUMB ;說明下面的代碼是Thumb 彙編
; Vector Table Mapped to Address 0 at Reset ;
AREA RESET, DATA, READONLY ;標記 RESET 段的開始,數據段,只讀
EXPORT __Vectors ;聲明一個全局可引用的標號「__Vectors」
EXPORT __Vectors_End ;聲明一個全局可引用的標號「__Vectors_End」
EXPORT __Vectors_Size ;聲明一個全局可引用的標號「__Vectors_Size」
__Vectors DCD __initial_sp ;Top of Stack
;DCD指令爲各中斷向量分配空間
;大小爲一個字(32bit)
DCD Reset_Handler ;分配地址爲0x00000004
DCD NMI_Handler ; 分配地址0x00000008 不可屏蔽中斷
DCD HardFault_Handler ; 地址依次往下累加 Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved ;保留一個字大小的空間(32bit)
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_IRQHandler ; ADC1
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD EXTI9_5_IRQHandler ; EXTI Line 9..5
DCD TIM1_BRK_TIM15_IRQHandler ; TIM1 Break and TIM15
DCD TIM1_UP_TIM16_IRQHandler ; TIM1 Update and TIM16
DCD TIM1_TRG_COM_TIM17_IRQHandler; TIM1 Trigger and Commutation and TIM17
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 CEC_IRQHandler ; HDMI-CEC
DCD TIM12_IRQHandler ; TIM12
DCD TIM13_IRQHandler ; TIM13
DCD TIM14_IRQHandler ; TIM14
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD FSMC_IRQHandler ; FSMC
DCD 0 ; Reserved
DCD TIM5_IRQHandler ; TIM5
DCD SPI3_IRQHandler ; SPI3
DCD UART4_IRQHandler ; UART4
DCD UART5_IRQHandler ; UART5
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC underrun
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
DCD DMA2_Channel5_IRQHandler ; DMA2 Channel5
__Vectors_End ;__Vectors_End 標號
__Vectors_Size EQU __Vectors_End - __Vectors ;__Vectors_Size 大小
AREA |.text|, CODE, READONLY ;標記代碼段開始,只讀
|.text|用於表示由C編譯器生成的代碼節,或以某種方式與C庫關聯的代碼節
; Reset handler
Reset_Handler PROC ;定義硬重啓中斷子程序段.PROC標記一個函數的開始;過程定義僞指令,和ENDP必須成對
EXPORT Reset_Handler [WEAK] ;聲明一個全局可引用的標號「Reset_Handler」
;[WEAK]選項聲明其餘的同名標號優先於該標號被引用。
IMPORT __main ;引用 __main標號,即main函數入口
IMPORT SystemInit ;引用 SystemInit 標號
LDR R0, =SystemInit
BLX R0 ;跳轉至 SystemInit,執行完後返回
LDR R0, =__main
BX R0 ;跳轉至 main函數,不返回
ENDP ;子程序結束
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC ;定義NMI_Handler子程序段
EXPORT NMI_Handler [WEAK] ;聲明一個全局可引用的標號「NMI_Handler」
B . ;. 表示當前地址。B . 跳轉至當前地址
ENDP ;子程序結束
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_IRQHandler [WEAK]
EXPORT EXTI9_5_IRQHandler [WEAK]
EXPORT TIM1_BRK_TIM15_IRQHandler [WEAK]
EXPORT TIM1_UP_TIM16_IRQHandler [WEAK]
EXPORT TIM1_TRG_COM_TIM17_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 CEC_IRQHandler [WEAK]
EXPORT TIM12_IRQHandler [WEAK]
EXPORT TIM13_IRQHandler [WEAK]
EXPORT TIM14_IRQHandler [WEAK]
EXPORT FSMC_IRQHandler [WEAK]
EXPORT TIM5_IRQHandler [WEAK]
EXPORT SPI3_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT UART5_IRQHandler [WEAK]
EXPORT TIM6_DAC_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]
EXPORT DMA2_Channel5_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_IRQHandler
EXTI9_5_IRQHandler
TIM1_BRK_TIM15_IRQHandler
TIM1_UP_TIM16_IRQHandler
TIM1_TRG_COM_TIM17_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
CEC_IRQHandler
TIM12_IRQHandler
TIM13_IRQHandler
TIM14_IRQHandler
FSMC_IRQHandler
TIM5_IRQHandler
SPI3_IRQHandler
UART4_IRQHandler
UART5_IRQHandler
TIM6_DAC_IRQHandler
TIM7_IRQHandler
DMA2_Channel1_IRQHandler
DMA2_Channel2_IRQHandler
DMA2_Channel3_IRQHandler
DMA2_Channel4_5_IRQHandler
DMA2_Channel5_IRQHandler
B .
ENDP
ALIGN ;對齊方式採用默認的對齊
;*******************************************************************************
; User Stack and Heap initialization
;*******************************************************************************
IF :DEF:__MICROLIB ;條件成立
EXPORT __initial_sp ;聲明一個全局可引用的標號「__initial_sp」
EXPORT __heap_base ;聲明一個全局可引用的標號「__heap_base」
EXPORT __heap_limit ;聲明一個全局可引用的標號「__heap_limit」
ELSE ;條件不成立
IMPORT __use_two_region_memory ;引用 __use_two_region_memory 標號
EXPORT __user_initial_stackheap
;聲明一個全局可引用的標號「__user_initial_stakheap」
__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 ;函數返回
ALIGN ;對齊方式採用默認的對齊
ENDIF ;條件結束
END ;彙編文件結束,編譯器認爲END後面是沒有彙編代碼了
;******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE*****