|
|
EDA365欢迎您登录！
您需要 登录 才可以下载或查看，没有帐号？注册
x
* s$ [8 q, Y. N6 {
启动文件$ z2 f6 I4 H" @2 \+ h6 k" Y1 Q
目前，多数 mcu 厂商都提供一个启动文件。当然，编程者也可以自己编写启动文件，具体编写要求ARM的网站上都有相关文档进行说明。下面分析一下 STM32 启动文件startup_stm32f407xx.s，具体看里面的注释。$ a& |+ d: x8 @( O
% K, R X7 S% i
;******************** (C) COPYRIGHT 2017 STMicroelectronics ********************+ R9 Q; o) D7 ?0 I+ l
;* File Name : startup_stm32f407xx.s
) c5 c+ ^$ N, q5 t* E* L# s% x- F;* Author : MCD Application Team
0 }" d1 @. M2 c' j* [. `' i;* Version : V2.6.10 d# b8 a" g) p: N, R9 I! \" s
;* Date : 14-February-2017
( E7 d. @7 h( E C;* Description : STM32F407xx devices vector table for MDK-ARM toolchain. 4 d# I8 ^+ i; X i
;* This module peRForms:$ H5 K6 q2 r) |& S/ p, g7 t, d
;* - Set the initial SP
" U7 C8 a6 W: I2 } i& n5 K( B" I;* - Set the initial PC == Reset_Handler6 a" p6 o" |1 c
;* - Set the vector table entries with the exceptions ISR address
! S3 d: h0 s3 ^) ^6 r. S;* - Branches to __main in the C library (which eventually8 T; O$ _5 p7 d0 k7 b8 \' Z% U
;* calls main()).2 s. A+ \& T# C; W; u/ U/ B
;* After Reset the CortexM4 processor is in Thread mode,
1 M) e7 B L1 ^* \7 w& ];* priority is Privileged, and the Stack is set to Main.
7 m8 \, m* h( A;* <<< Use Configuration Wizard in Context Menu >>> + Q8 n; n' }, l. F7 m# R
;*******************************************************************************0 T, z/ |8 A$ h' T; Y: K0 U; l" Y
;
( j9 L0 U W- W9 E0 R0 p5 j! M;* Redistribution and use in source and binary forms, with or without modification, J& l* O5 h/ J P( X# H
;* are permitted provided that the following conditions are met:
3 k$ b# {( p2 M; z0 z3 `" h0 i;* 1. Redistributions of source code must retain the above copyright notice,
, ^" C t3 K3 K9 m! \( p" i5 S;* this list of conditions and the following disclaimer.
2 C. r+ l. `# p) J8 v;* 2. Redistributions in binary form must reproduce the above copyright notice,
) J, ~0 ]. X8 k; H;* this list of conditions and the following disclaimer in the documentation
+ `- Z l/ V- ~;* and/or other materials provided with the distribution.
% D5 p h% \& d8 S- F( ~4 Z;* 3. Neither the name of STMicroelectronics nor the names of its contributors
' ^' ~3 I' Z( h; c;* may be used to endorse or promote products derived from this software6 f: ~: p8 K# p$ H* M; i; L; B
;* without specific prior written permission.+ c. [# ?3 `9 O4 x* o
;*6 ~4 }* O* x# i# R
;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"/ E* f$ ^: c, s: s- Z; |9 @
;* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE4 b: z( z+ V$ K) l; N r0 R \' n
;* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
" X/ e4 i' R5 I- _0 S" w# W0 a% U;* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE" p N# E$ `/ O u
;* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
; b( s' N: [* i9 I r;* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# [! E" Q8 x3 V! G" d;* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
0 k2 N; y j9 y;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,* Y R/ i; C a1 z; @
;* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE6 n! g' |+ e6 D
;* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
; _7 U: X- }" U;
8 N" X* _5 {% a" U;*******************************************************************************' I: j& b( A6 S. y1 x5 b
5 M. R: P' ~9 Z3 `7 L
; Amount of memory (in bytes) allocated for Stack" q% \; Q! o G/ I4 p/ e0 N
; Tailor this value to your application needs( Q; X0 `* `) U% T9 d" C! e- a
; <h> Stack Configuration: d+ q& Q( [ D2 ]
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>9 z0 Z- v; q3 d6 J
; </h>$ I' }0 u! c( X, d" B! j( H6 y
% w$ m2 b4 n1 _7 F
Stack_Size EQU 0x0800 ; 定义栈大小
9 J" o- a3 Y& P# X- \ ; AREA 命令指示汇编器汇编一个新的代码段或数据段。
" \ m5 y/ g# R5 ]8 ] AREA STACK, NOINIT, READWRITE, ALIGN=3 ; 代码段名称为STACK，未初始化，允许读写，8字节对齐" }7 w- m" i: ~6 h0 A! t/ s3 h- k
Stack_Mem SPACE Stack_Size ; 分配Stack_Size的栈空间，首地址赋给Stack_Mem8 ]3 R' j1 ] \1 M1 f5 F$ U( g
__initial_sp ; 栈顶指针，全局变量
2 A5 g6 d- o. n+ N q% f i6 P: S- k8 s
% U$ |2 q# u3 r3 ?; ^
; <h> Heap Configuration
g6 h1 e( C# p# b) n; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
) [# w& Z) ~+ S: d3 |; </h>
$ c* L% G) E, a: B1 s, N/ A1 x% x3 D
Heap_Size EQU 0x200& U5 q1 s, y) C% x. ~1 G3 {7 G$ }
2 W: ^3 ?. M9 g5 K3 I AREA HEAP, NOINIT, READWRITE, ALIGN=39 |) N" J% @0 ~& H$ A/ O9 s. t
__heap_base ; 堆末底部地址
; o: F4 H/ X) R2 QHeap_Mem SPACE Heap_Size
% O6 t/ ?9 V4 u' G$ R( l9 D. r/ l__heap_limit ; 堆界限地址7 \* ? n! S! [( I0 I
" i; H7 X& f b+ @) S9 P* z PRESERVE8 ; 指定当前文件保持堆栈八字节对齐' J4 M Z6 ? L& g1 N1 J4 @
THUMB ; Thumb命令模式! y \# R, }, X' W4 Y
& O' o1 o- j. x; D; x- C5 _1 T* i, t$ d- A( i
; Vector Table Mapped to Address 0 at Reset ; 终端向量表 重启时程序从这里运行，必须将该地址映射到0x00000000( ?- l( J' h8 [! a _- t- l
AREA RESET, DATA, READONLY ; 代码段名称为RESET，DATA类型，只读% s% d2 a4 m2 W+ m7 t4 \ Q4 Z
EXPORT __Vectors ; 导出中断向量表地址（供外部可以使用）
4 c9 q" s; x2 J EXPORT __Vectors_End ; 导出中断向量表结束指针（供外部可以使用）& S' j3 G) d3 Y1 W; R! Q
EXPORT __Vectors_Size ; 中断向量表大小（供外部可以使用） }' g' q5 |* z7 I* K
__Vectors DCD __initial_sp ; Top of Stack
, X- O; S* [5 o9 J- y* w DCD Reset_Handler ; Reset Handler
0 Z( _, C1 i7 s3 u& Z- _1 c" m DCD NMI_Handler ; NMI Handler
1 m$ K/ M" Y0 N3 t1 Z4 R! p DCD HardFault_Handler ; Hard Fault Handler
' q. k9 b: q; w+ i DCD MemManage_Handler ; MPU Fault Handler+ L( T8 ]7 o: F
DCD BusFault_Handler ; Bus Fault Handler
$ A( m6 K+ V" ?/ p" ` DCD UsageFault_Handler ; Usage Fault Handler4 \5 S. L# Q4 h- {0 E7 P1 r; w3 M& [
DCD 0 ; Reserved
7 L7 x( b1 Y2 v4 [6 h' S+ f DCD 0 ; Reserved o+ j: i2 P: {6 B
DCD 0 ; Reserved* y' i) [0 P2 S9 o. s; A4 q6 u
DCD 0 ; Reserved
7 j- b( ~$ i4 b4 C) A+ c DCD SVC_Handler ; SVCall Handler
3 x/ q' S* |) r+ Y: I) i2 @ DCD DebugMon_Handler ; Debug Monitor Handler
8 ?' R9 A1 ~, L9 f4 e N6 N DCD 0 ; Reserved+ K$ J4 ?; }/ F8 a
DCD PendSV_Handler ; PendSV Handler' C' }% t4 f0 S2 a
DCD SysTick_Handler ; SysTick Handler
p! t8 N) w r: } N$ a8 F4 k4 m
; External Interrupts
$ ]1 V9 |' {& r8 h DCD WWDG_IRQHandler ; Window WatchDog 0 M7 z5 i' B/ ?: X* A! \
DCD PVD_IRQHandler ; PVD through EXTI Line detection
2 Y: m$ g- ~; H( q8 B3 R DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
& T. I" m m9 j$ V) }9 r DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line [. l9 ]9 [; p+ J- b
DCD FLASH_IRQHandler ; FLASH
2 W/ ~, r! @) W3 d DCD RCC_IRQHandler ; RCC # g3 d) k* Y9 O
DCD EXTI0_IRQHandler ; EXTI Line0 4 {. Y3 |, V" K8 M A* ^8 U Z% Q
DCD EXTI1_IRQHandler ; EXTI Line1 & E4 z' }& r3 a4 i
DCD EXTI2_IRQHandler ; EXTI Line2
1 a' V) H0 k8 m. @5 o DCD EXTI3_IRQHandler ; EXTI Line3
2 C% _4 J8 y7 T0 R) B9 q6 @ DCD EXTI4_IRQHandler ; EXTI Line4 3 N& \$ G( F& i, R& W4 x
DCD DMA1_Stream0_IRQHandler ; DMA1 Stream 0 & L0 r# B5 K# h; F# Q8 ~' O
DCD DMA1_Stream1_IRQHandler ; DMA1 Stream 1
" Z A: O) s% _& C" m1 `1 ~ DCD DMA1_Stream2_IRQHandler ; DMA1 Stream 2 9 O! f( ?2 o9 l u
DCD DMA1_Stream3_IRQHandler ; DMA1 Stream 3 5 h$ {/ \( [% ?9 u9 H
DCD DMA1_Stream4_IRQHandler ; DMA1 Stream 4 U3 x( f+ b+ {/ [& x
DCD DMA1_Stream5_IRQHandler ; DMA1 Stream 5 $ p3 G* Q9 Z f, G" j5 N7 q/ Y
DCD DMA1_Stream6_IRQHandler ; DMA1 Stream 6 ( K) w$ _9 D# y8 M* w5 N9 n5 ~
DCD ADC_IRQHandler ; ADC1, ADC2 and ADC3s , |3 g8 Q+ o# P' N1 M
DCD CAN1_TX_IRQHandler ; CAN1 TX y1 a+ C4 ~, B8 J
DCD CAN1_RX0_IRQHandler ; CAN1 RX0 " E5 b7 L2 z& X2 u8 r7 V/ l, _8 a; i( p
DCD CAN1_RX1_IRQHandler ; CAN1 RX1 : z; g+ a4 Z- F
DCD CAN1_SCE_IRQHandler ; CAN1 SCE ; y# _" J! V" E
DCD EXTI9_5_IRQHandler ; External Line[9:5]s
3 k" B" p4 A' o& K: X& v9 |8 x9 P DCD TIM1_BRK_TIM9_IRQHandler ; TIM1 Break and TIM9 8 e5 J0 b0 {, N: f
DCD TIM1_UP_TIM10_IRQHandler ; TIM1 Update and TIM10
1 Y" w* u0 ]6 m- n# M DCD TIM1_TRG_COM_TIM11_IRQHandler ; TIM1 Trigger and Commutation and TIM11- L" ]9 l. h4 |2 O" Q( d; Z4 [
DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
& |' e, L$ r7 j @& g DCD TIM2_IRQHandler ; TIM2 5 h% R% E+ E( j$ X
DCD TIM3_IRQHandler ; TIM3
$ h" R2 T3 M5 s1 w1 @7 b W3 ]/ d* h# K DCD TIM4_IRQHandler ; TIM4 6 e, Z+ z& s0 D o; J* d* F8 x
DCD I2C1_EV_IRQHandler ; I2C1 Event
2 `* O" I h0 I* S# y DCD I2C1_ER_IRQHandler ; I2C1 Error
* v1 ]) X1 E* g! q, w8 k. y# z DCD I2C2_EV_IRQHandler ; I2C2 Event
! V1 [4 K3 Z# Q: A DCD I2C2_ER_IRQHandler ; I2C2 Error
2 |( B' l: N& H3 N7 Q" A. K# r' z DCD SPI1_IRQHandler ; SPI1
1 E& P, Y+ J; @6 Q v E" s, y DCD SPI2_IRQHandler ; SPI2 9 X- B3 A3 w' o. m! c4 s
DCD USART1_IRQHandler ; USART1 + d* K, m7 ~0 x6 L6 S0 u
DCD USART2_IRQHandler ; USART2
; x" y3 q5 [! `. M: m8 R& J DCD USART3_IRQHandler ; USART3 & i+ s# X; [9 \6 ]/ Z4 P! o! z V3 ~
DCD EXTI15_10_IRQHandler ; External Line[15:10]s
6 j0 q4 ]' }3 `6 z DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line . P+ N. D. K0 |4 l0 @9 e
DCD OTG_FS_WKUP_IRQHandler ; USB OTG FS Wakeup through EXTI line
, Q! {1 O" u! C3 r- u1 z- ? T DCD TIM8_BRK_TIM12_IRQHandler ; TIM8 Break and TIM12 + l7 g6 D( I" T
DCD TIM8_UP_TIM13_IRQHandler ; TIM8 Update and TIM13 4 ?& a: u2 U. M1 L Q$ J
DCD TIM8_TRG_COM_TIM14_IRQHandler ; TIM8 Trigger and Commutation and TIM14
: Y3 U8 k' X, |! R" d DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare
# E: i, H0 p2 } h/ r& l% y$ { DCD DMA1_Stream7_IRQHandler ; DMA1 Stream7
1 X/ @5 C# }# o" x. U% e DCD FMC_IRQHandler ; FMC
, [7 t. ~; I8 x DCD SDIO_IRQHandler ; SDIO 0 }- k3 `) v9 V6 M2 w+ Q
DCD TIM5_IRQHandler ; TIM5
' {/ Y$ q+ L# W$ }7 a DCD SPI3_IRQHandler ; SPI3
j$ B7 P' r" O B DCD UART4_IRQHandler ; UART4
: |' j# n. v$ |: S8 W0 b DCD UART5_IRQHandler ; UART5 6 O. o* A; p; J) K/ s
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
* ?3 n0 k; F# d0 ^ DCD TIM7_IRQHandler ; TIM7
+ N- \* Y4 E1 d. y DCD DMA2_Stream0_IRQHandler ; DMA2 Stream 0 & P; {: \ r3 o! h' }6 [
DCD DMA2_Stream1_IRQHandler ; DMA2 Stream 1 0 K3 j5 f. a% c' p, T
DCD DMA2_Stream2_IRQHandler ; DMA2 Stream 2
0 f( d, A( }1 o9 z$ B( X6 z% L DCD DMA2_Stream3_IRQHandler ; DMA2 Stream 3 ! J' n# ^" [4 O9 E) }
DCD DMA2_Stream4_IRQHandler ; DMA2 Stream 4 3 ]. l- H* l1 d+ W$ n, T
DCD ETH_IRQHandler ; Ethernet 1 F' Y0 D o" L
DCD ETH_WKUP_IRQHandler ; Ethernet Wakeup through EXTI line ! H7 A& ?0 k x4 v* \
DCD CAN2_TX_IRQHandler ; CAN2 TX
+ \& R3 `, |3 n, w! l/ G% m& @) ? DCD CAN2_RX0_IRQHandler ; CAN2 RX0 ! s1 R) G2 v+ A' ]: P. w+ ^
DCD CAN2_RX1_IRQHandler ; CAN2 RX1 & r% u S9 A: L$ _
DCD CAN2_SCE_IRQHandler ; CAN2 SCE $ H' F# j5 A2 }! E E: ~; Q
DCD OTG_FS_IRQHandler ; USB OTG FS
) V( Z# X, X" Z1 `* M DCD DMA2_Stream5_IRQHandler ; DMA2 Stream 5 3 D4 B+ q3 _# r. B1 X( T
DCD DMA2_Stream6_IRQHandler ; DMA2 Stream 6
; u. ~& z1 C- z \ DCD DMA2_Stream7_IRQHandler ; DMA2 Stream 7
5 o: y) J. {# [ DCD USART6_IRQHandler ; USART6
5 d/ e0 d& _6 T6 o2 m) B DCD I2C3_EV_IRQHandler ; I2C3 event
6 H9 ~- _6 g6 u5 H8 v3 X DCD I2C3_ER_IRQHandler ; I2C3 error
7 x3 T4 \# p5 u2 `$ C DCD OTG_HS_EP1_OUT_IRQHandler ; USB OTG HS End Point 1 Out
& e9 w( @" f8 R J% ? DCD OTG_HS_EP1_IN_IRQHandler ; USB OTG HS End Point 1 In / l0 A% y7 o9 n* }
DCD OTG_HS_WKUP_IRQHandler ; USB OTG HS Wakeup through EXTI
1 C. F( D5 v' K/ L+ A6 X DCD OTG_HS_IRQHandler ; USB OTG HS # |" F4 v) C. }) d# }: g- F1 _+ ]/ |
DCD DCMI_IRQHandler ; DCMI : g/ D8 H7 s7 i. z- @ j$ D
DCD 0 ; Reserved 7 x: G9 H$ c1 w0 C) v- X
DCD HASH_RNG_IRQHandler ; Hash and Rng. k+ S. j+ R5 H8 x' {" x; f
DCD FPU_IRQHandler ; FPU
- i. y+ a6 t$ k# b. N& X5 {7 Q % d& P" d' J# s9 o1 k+ d' E
. z3 m, q2 c8 N, |- }; B- d
__Vectors_End
: D I. F# k# q8 X2 l$ ]! r/ o
. ^# X: d: V' {7 \+ h__Vectors_Size EQU __Vectors_End - __Vectors ; 计算中断向量表的大小" x' |. b+ k4 V: ~3 R
4 ~2 Y% _* ?' T7 Q! j7 n/ ^( r. t AREA |.text|, CODE, READONLY ; 代码段，|.text| 用于表示由 C 编译程序产生的代码段，或用于以某种方式与 C 库关联的代码段。 CODE类型，只读
) x& H+ ? W# }$ Z8 K; 以下开始定义各种中断，第一个便是复位中断，顺序与上面的终端向量表一致！
" X+ a) b, a' ]5 H' j; G& H; Reset handler
6 \* y( l- I5 f; E, f: }Reset_Handler PROC ; 代码开始，与ENDP成对出现
0 k# y: d" H0 p# X$ J# h8 h1 R EXPORT Reset_Handler [WEAK] ; 复位中断，[WEAK]修饰代表其他文件有函数定义优先调用% j, A. ?* Y4 k# U% F
IMPORT SystemInit ; 导入外部函数SystemInit' B5 q2 l) l6 I1 v) W2 D
IMPORT __main ; 导入外部函数__main6 W* u) X9 ]( ^. L5 v
: x; u8 A. ^- b0 J
LDR R0, =SystemInit
* N! r' W6 C8 [7 M BLX R0 ; 无返回调用SystemInit9 R2 B, \. p/ m- W6 f$ U. Q
LDR R0, =__main
$ v. Y: K& \, ^) p) q BX R0 ; 有返回调用__main' w9 H1 z; P4 o" S5 u" N2 H: i
ENDP ; 代码结束，与PROC成对出现
5 G9 T3 c1 e3 e1 Q& S
& D% G3 c2 O- C/ n; Dummy Exception Handlers (infinite loops which can be modified)
; N0 d3 g( V9 |7 ?
0 L; w5 }8 H) v. ? XNMI_Handler PROC& d; q& Y& x( G x" L- L2 ], e/ Z
EXPORT NMI_Handler [WEAK]
8 L/ _! L. q! ]- R/ `8 o3 ~9 g B .
9 L$ M: K& C& d8 Z, C* D ENDP
! b7 `, y# u0 V, _2 v3 gHardFault_Handler\
$ K( {6 \2 P( a8 v4 O8 P5 _5 P PROC) ^4 w& t' T/ {, y: h* L+ `
EXPORT HardFault_Handler [WEAK], ?: y$ J$ L8 T
B .
+ f L' g2 F' A% ^/ w: P. ` ENDP/ C( k' ]( Q& V) e9 c. r
MemManage_Handler\
3 O4 R, Y+ ^8 e, d& Z+ E PROC
- D" d$ P- h- W# v4 s" v EXPORT MemManage_Handler [WEAK]# C( G- L1 v g9 O( m
B .
1 m1 y) ^5 b8 i8 @+ _8 |" e1 P ENDP9 p2 H- l8 S- n( Y; f" I
BusFault_Handler\
" b6 d. I5 X3 W7 b% L. ]3 d0 | PROC6 U u2 N8 Z/ {/ |2 R7 @* ~
EXPORT BusFault_Handler [WEAK]
2 U) a/ B d; }% G& V5 ?$ y B .
' V4 ], _9 D& k4 [+ a% ] ENDP Q1 [5 p V; H+ e, B% g
UsageFault_Handler\
6 ?7 Y& n. m0 F PROC
( b' B" t, e: n4 [1 K9 ?5 F EXPORT UsageFault_Handler [WEAK]1 v+ L" p$ Q+ F, w
B .: `& a7 P1 g# b+ ^5 Q9 b; |
ENDP
2 B( W4 @9 Y( w' D, O M* r( zSVC_Handler PROC
: }$ Y% I7 Q. v EXPORT SVC_Handler [WEAK]
& d2 a" v8 _4 h6 t9 t! e$ C! Z$ A B .5 V( _5 X) R: a
ENDP ?1 Y6 ?1 H) @( p
DebugMon_Handler\5 x6 ~) q* p- F4 }
PROC3 j9 J# c! F: ^; @5 y" k
EXPORT DebugMon_Handler [WEAK]# R: f! w$ G- C, r
B .
2 x7 p3 W/ O J7 \' |& P" o ENDP* \' _- b( c3 a8 k
PendSV_Handler PROC+ E" ]& u/ O0 v: j9 s2 H
EXPORT PendSV_Handler [WEAK]
) w8 R9 F+ t+ @! `& P: m B .0 C! T$ _- G6 a* u& Z9 L% l9 H
ENDP
8 Z0 t2 v! w6 s& { XSysTick_Handler PROC) {% x6 s( V! h, R0 [, w6 e
EXPORT SysTick_Handler [WEAK]: f: a& t* ^: X" x! d& d, o0 ~
B .
' S$ P. X' K( W5 o. }, N9 G' f ENDP
/ I- j5 e. y; n; s" Z; 终端向量表的External Interrupts部分。 默认的外部中断，通常有外部实现。先导出各种符号以供外部使用，然后时默认的定义7 N9 `6 p- k- q5 W* \# @
Default_Handler PROC
" k0 h! O6 f% p& d% d; U/ z' A- A& S9 F& a
EXPORT WWDG_IRQHandler [WEAK] ; q F( W1 G/ p
EXPORT PVD_IRQHandler [WEAK] . m& R1 ]" F. g7 C$ j
EXPORT TAMP_STAMP_IRQHandler [WEAK]
' n" S5 u* t* ?6 [0 V$ E EXPORT RTC_WKUP_IRQHandler [WEAK]
* V9 r: T9 T% L8 Y/ C5 D EXPORT FLASH_IRQHandler [WEAK] ; f$ ^9 i. n) H1 v
EXPORT RCC_IRQHandler [WEAK] + ?0 _3 q7 h, I
EXPORT EXTI0_IRQHandler [WEAK] : K R+ z- V! F7 H6 k* y
EXPORT EXTI1_IRQHandler [WEAK]
?* }( E- c9 _1 `& ~$ n' ` EXPORT EXTI2_IRQHandler [WEAK]
. a" h8 T' ?* D8 d8 p EXPORT EXTI3_IRQHandler [WEAK] + p5 r4 M/ E) u" j I
EXPORT EXTI4_IRQHandler [WEAK]
1 V r# r6 F. l8 S/ ?1 x EXPORT DMA1_Stream0_IRQHandler [WEAK]
+ N# J; F6 A$ N& J& ?& g. G EXPORT DMA1_Stream1_IRQHandler [WEAK] # M9 r( {, f( \( H8 {: o2 i
EXPORT DMA1_Stream2_IRQHandler [WEAK]
2 W" v: k, R' \% C' i EXPORT DMA1_Stream3_IRQHandler [WEAK]
7 K' E% n1 Q' i1 y0 C EXPORT DMA1_Stream4_IRQHandler [WEAK]
6 K i' q3 G; m$ U, }( P EXPORT DMA1_Stream5_IRQHandler [WEAK]
. x5 m: I) r0 a EXPORT DMA1_Stream6_IRQHandler [WEAK]
! F0 m" n" e Z7 y EXPORT ADC_IRQHandler [WEAK]
* p* n4 w0 I+ ^- _ EXPORT CAN1_TX_IRQHandler [WEAK] $ V) `0 b7 A8 V0 R# O2 }5 c% \
EXPORT CAN1_RX0_IRQHandler [WEAK]
* h% C* v. Q$ m" ?1 ~ EXPORT CAN1_RX1_IRQHandler [WEAK] ( g6 r- }5 O: c7 G1 J6 @/ }
EXPORT CAN1_SCE_IRQHandler [WEAK]
# C5 f; b3 s; I, D EXPORT EXTI9_5_IRQHandler [WEAK] # t# K" h# U0 }! u
EXPORT TIM1_BRK_TIM9_IRQHandler [WEAK] 7 X% }7 B- e) v
EXPORT TIM1_UP_TIM10_IRQHandler [WEAK]
; S# B9 z6 b& Z+ b4 {/ M EXPORT TIM1_TRG_COM_TIM11_IRQHandler [WEAK] ( `; L/ x2 K2 S3 d& N% x$ g
EXPORT TIM1_CC_IRQHandler [WEAK] ) d/ E! r: z; R/ e& X; z
EXPORT TIM2_IRQHandler [WEAK] / a& l/ o' f/ G
EXPORT TIM3_IRQHandler [WEAK]
- z5 _- E3 t }# P EXPORT TIM4_IRQHandler [WEAK]
. R4 x, r$ t/ S: M EXPORT I2C1_EV_IRQHandler [WEAK]
2 j }# |. N& X- c. d EXPORT I2C1_ER_IRQHandler [WEAK] " T; R+ g( y- @8 ?9 {* S
EXPORT I2C2_EV_IRQHandler [WEAK]
! y! q8 B+ ]1 G' c& C. j6 C9 q EXPORT I2C2_ER_IRQHandler [WEAK]
4 p* j! [% O4 Q, `; |9 c EXPORT SPI1_IRQHandler [WEAK]
* [' b- `' ~4 Q {5 o. i# ~2 U EXPORT SPI2_IRQHandler [WEAK] $ L8 _3 o; [5 J {; ?+ \8 K( u
EXPORT USART1_IRQHandler [WEAK]
4 L$ r* X$ M+ P* q3 ~' o6 w0 ]# K EXPORT USART2_IRQHandler [WEAK]
& e0 @8 i+ a) q a3 | EXPORT USART3_IRQHandler [WEAK] 9 c2 e V* t1 t( n' }4 t- J" m
EXPORT EXTI15_10_IRQHandler [WEAK]
# _# q- ?& `; T W% _+ L, P& z8 ^ EXPORT RTC_Alarm_IRQHandler [WEAK] ) @& Q* o# P0 _( v; _: b1 {3 w: v
EXPORT OTG_FS_WKUP_IRQHandler [WEAK]
: ? ?7 n; P0 z1 w' @# c EXPORT TIM8_BRK_TIM12_IRQHandler [WEAK] " f) E) a6 z- \3 L, a
EXPORT TIM8_UP_TIM13_IRQHandler [WEAK] , E+ w! \/ j3 n' d
EXPORT TIM8_TRG_COM_TIM14_IRQHandler [WEAK]
2 V1 o8 p& p5 ?$ |: w8 o! J EXPORT TIM8_CC_IRQHandler [WEAK] 0 e7 s$ \8 L: R) A% |3 T3 e
EXPORT DMA1_Stream7_IRQHandler [WEAK] S7 J4 X p' J; b1 O
EXPORT FMC_IRQHandler [WEAK] 2 t: ]. {$ \: v4 s9 G) T; ]6 ?
EXPORT SDIO_IRQHandler [WEAK] # V7 w7 p! f! n, v+ u
EXPORT TIM5_IRQHandler [WEAK] ! s. K, ^* L' _9 P
EXPORT SPI3_IRQHandler [WEAK]
+ O" d. ]0 ^# y EXPORT UART4_IRQHandler [WEAK] Q/ L$ E1 u; b. X" Q
EXPORT UART5_IRQHandler [WEAK]
, g3 h, f4 j/ d' C3 U% \& e EXPORT TIM6_DAC_IRQHandler [WEAK] ! c/ Y% H2 o9 {5 z
EXPORT TIM7_IRQHandler [WEAK] : _ m8 b. Y8 r3 l( T
EXPORT DMA2_Stream0_IRQHandler [WEAK]
5 H7 V- B9 l; U& c EXPORT DMA2_Stream1_IRQHandler [WEAK]
% \6 U6 O* F; z, C6 X6 S& B EXPORT DMA2_Stream2_IRQHandler [WEAK]
3 C2 ]8 B* F2 P6 P) X) x8 ?' ? EXPORT DMA2_Stream3_IRQHandler [WEAK] ' K. _3 L8 p$ w. g" _
EXPORT DMA2_Stream4_IRQHandler [WEAK]
6 f' z2 p4 v* q1 l2 t EXPORT ETH_IRQHandler [WEAK] - x4 n0 c8 f. H& E" Q [& L. w! u
EXPORT ETH_WKUP_IRQHandler [WEAK]
; B, R- H, W+ R7 p5 g/ L' ~8 m' m EXPORT CAN2_TX_IRQHandler [WEAK]
/ f* E v# w3 E# P- \# e0 O EXPORT CAN2_RX0_IRQHandler [WEAK] , T8 L3 V' ?: K- s" }5 M
EXPORT CAN2_RX1_IRQHandler [WEAK]
$ w; m& D1 a/ X. K" q2 a( s EXPORT CAN2_SCE_IRQHandler [WEAK] . _* W! l* v( H; q8 f0 |
EXPORT OTG_FS_IRQHandler [WEAK] * i0 C4 n8 u; u
EXPORT DMA2_Stream5_IRQHandler [WEAK] 2 S. L- ?4 ~. S; v% e& I
EXPORT DMA2_Stream6_IRQHandler [WEAK] * A* G% x1 X9 c6 l
EXPORT DMA2_Stream7_IRQHandler [WEAK]
4 f6 ?6 l3 d' C EXPORT USART6_IRQHandler [WEAK]
/ c/ C2 ?& T. X# d1 w) I EXPORT I2C3_EV_IRQHandler [WEAK] . W/ G6 A/ n' s, M
EXPORT I2C3_ER_IRQHandler [WEAK]
3 S% C+ a9 j8 ]. y6 q+ f EXPORT OTG_HS_EP1_OUT_IRQHandler [WEAK]
; X- \( |6 K& t+ K. |7 X; _& e EXPORT OTG_HS_EP1_IN_IRQHandler [WEAK] 6 E8 u& S& q" Y' T
EXPORT OTG_HS_WKUP_IRQHandler [WEAK]
9 y. n2 u+ }) e EXPORT OTG_HS_IRQHandler [WEAK]
$ {9 D4 ], K% T7 l EXPORT DCMI_IRQHandler [WEAK] $ I; q( ?# U. Q* K" D
EXPORT HASH_RNG_IRQHandler [WEAK]$ k! l3 i# R6 V& z
EXPORT FPU_IRQHandler [WEAK]
* ^1 |$ D. L# c% q5 I2 Y% }
1 ?1 g( ~3 `. O9 `0 c" hWWDG_IRQHandler
6 r+ J3 L' a; O CPVD_IRQHandler
/ T( b( J- R2 Y: gTAMP_STAMP_IRQHandler . H" t r2 v8 Q, z
RTC_WKUP_IRQHandler , R( H% H# L' P% _$ V7 R# k
FLASH_IRQHandler
+ v# X* s ?% ?( U% H Y1 j2 bRCC_IRQHandler 8 R/ D$ O! h* ~8 |, [9 K
EXTI0_IRQHandler
1 O7 d1 d; C! Y# d0 }, E# F( zEXTI1_IRQHandler 1 F3 o: S! r$ U }
EXTI2_IRQHandler $ k% D; f) j f, h
EXTI3_IRQHandler $ v; J) q- l& K! b$ {/ }, j
EXTI4_IRQHandler
. r8 p, N- |+ MDMA1_Stream0_IRQHandler
/ J( \, J4 ]5 [. {' xDMA1_Stream1_IRQHandler * E8 _2 A; s7 I+ C7 d
DMA1_Stream2_IRQHandler ! H, }. a% E! b
DMA1_Stream3_IRQHandler ' ~5 J6 r3 }7 E8 ^$ n' |- L8 G
DMA1_Stream4_IRQHandler |& i7 F2 F( C3 J h
DMA1_Stream5_IRQHandler 7 Y7 [8 D. g0 o3 O4 p+ W
DMA1_Stream6_IRQHandler , |8 ?" O/ |. i8 {) g4 b
ADC_IRQHandler
9 b+ g- f5 m% d& m0 \8 _/ fCAN1_TX_IRQHandler . K8 R$ Y2 I# A- F. ^
CAN1_RX0_IRQHandler " y; n5 B' [* I1 A) o; @
CAN1_RX1_IRQHandler - |. [8 [' V' s, E
CAN1_SCE_IRQHandler 6 Y* h" g0 w7 z3 X3 ^
EXTI9_5_IRQHandler 7 i- ?; v' C3 G" E8 S" e
TIM1_BRK_TIM9_IRQHandler + i0 F7 y2 Q! G" f& o
TIM1_UP_TIM10_IRQHandler 3 \+ [! ~8 T( }$ c
TIM1_TRG_COM_TIM11_IRQHandler
+ {' n' C9 J# l8 e# T8 PTIM1_CC_IRQHandler , K& H$ S& S: n3 Y% O% Q
TIM2_IRQHandler ( N }0 v+ M* Z' I
TIM3_IRQHandler , \4 ~5 Y% I$ N' R5 F# x
TIM4_IRQHandler
. Z# H i8 b( ]/ _* c5 |6 A+ \I2C1_EV_IRQHandler
9 o( r+ A* y8 y5 V/ O3 J! zI2C1_ER_IRQHandler
% g2 N& h& n8 e! lI2C2_EV_IRQHandler l6 W3 }0 g6 t3 Z
I2C2_ER_IRQHandler
; U$ S* G0 @& iSPI1_IRQHandler 2 m3 n- Y: n: d% S
SPI2_IRQHandler 1 b ~' B8 i- ~, R' d
USART1_IRQHandler
" |" t* h, L8 L cUSART2_IRQHandler
4 i4 } l0 V( d+ e4 X) q. MUSART3_IRQHandler
; P4 X8 R0 F+ ^8 Q% K! kEXTI15_10_IRQHandler o8 v! K# h* S, A4 @ c! s+ D
RTC_Alarm_IRQHandler ) O# k9 ]# u2 G
OTG_FS_WKUP_IRQHandler ) e9 V3 a$ q' W; C' u
TIM8_BRK_TIM12_IRQHandler
Q, K2 s x7 q3 W1 YTIM8_UP_TIM13_IRQHandler & {% [6 g& c6 N f
TIM8_TRG_COM_TIM14_IRQHandler & d* O5 G9 r3 g( P+ J
TIM8_CC_IRQHandler
- ]! X+ c3 b: p* e8 e' q, t2 ^DMA1_Stream7_IRQHandler
g m- I5 H* ZFMC_IRQHandler ' Y7 x: h. a7 X4 t. Z# Y, V7 `
SDIO_IRQHandler
* Q, F( h7 ~7 R1 J( t1 l: j( _TIM5_IRQHandler
9 T5 Q3 {9 K: M+ u1 ASPI3_IRQHandler # B+ p6 b$ b- Z+ f$ K
UART4_IRQHandler 9 U0 u2 C; r ~5 D3 } o4 l
UART5_IRQHandler
! H& w2 x+ K9 p; y6 H# R& O5 s0 [' @TIM6_DAC_IRQHandler
. B1 @$ l0 }$ h' }TIM7_IRQHandler " b9 O! Z( }, [% |
DMA2_Stream0_IRQHandler
( v X: T; L; X G) G; z% K' {DMA2_Stream1_IRQHandler ( e; [2 b% ?8 k- P+ V
DMA2_Stream2_IRQHandler e' A/ [% F( {# K, b
DMA2_Stream3_IRQHandler
+ Y0 \6 V9 |. _6 F5 VDMA2_Stream4_IRQHandler 2 l9 J* t' g, w6 Y3 _$ ^/ Q8 ~# ~" V, V
ETH_IRQHandler
6 q1 F; ~3 {) }; t: nETH_WKUP_IRQHandler
+ k* {5 i& `; X: j# bCAN2_TX_IRQHandler 5 o3 \4 a5 {7 r' {
CAN2_RX0_IRQHandler
" C7 Y. _% T) @: U, N8 X- sCAN2_RX1_IRQHandler , ~- Q& { N% W5 O* T( c3 C d
CAN2_SCE_IRQHandler
+ n: G. J! \* A7 B4 dOTG_FS_IRQHandler 7 b0 K9 r0 f) J
DMA2_Stream5_IRQHandler / R9 H: z J5 c6 G- a1 h1 B
DMA2_Stream6_IRQHandler
8 M2 i. o! N9 `) \: o: bDMA2_Stream7_IRQHandler
|) B" D% G: C/ W% D0 V) \, zUSART6_IRQHandler 7 V5 p# j$ L& G8 }
I2C3_EV_IRQHandler
# {/ g4 l% j, `" V8 ]I2C3_ER_IRQHandler
4 n6 n0 o& _/ m; Q6 J* V* OOTG_HS_EP1_OUT_IRQHandler , j' C: a- V8 W7 b
OTG_HS_EP1_IN_IRQHandler
1 H% V! B% O# x& e) `' ~+ _OTG_HS_WKUP_IRQHandler 7 H- L, F6 W* H1 `" c
OTG_HS_IRQHandler 3 S+ }9 E$ R$ E$ E2 H6 y
DCMI_IRQHandler 8 M' H3 ]' t$ O/ B! Z9 F; A
HASH_RNG_IRQHandler
7 o5 q# M# p/ Z; @+ w6 W# _FPU_IRQHandler / N. b3 P8 U5 m: c4 n! ?
- U3 A7 q9 H. e) u
B . T4 l) f8 f1 q# z: ^+ A2 Z
0 z7 w5 B: J! D3 L* S/ f0 `4 Y0 e
ENDP: o- J. T4 u% E( W
$ I4 a- I. ?5 s. T ALIGN
3 M F5 h( Z/ v W! z7 y& r
' e+ [# x6 ?. C6 o;*******************************************************************************
3 N; [8 e' J2 [) p6 D* Y7 \7 z; User Stack and Heap initialization 编译器预处理命令，主要是用来初始化用户堆栈
- \& |/ X; Q5 m/ e4 y4 m;*******************************************************************************
& F! e0 S E1 g' P, D& H& v1 ~# M IF ：DEF:__MICROLIB ; "DEF"的用法为 ：DEF:X 就是说X定义了则为真，否则为假。若定义了__MICROLIB，则将__initial_sp，__heap_base，__heap_limit亦即栈顶地址，堆始末地址赋予全局属性，使外部程序可以使用。# S; o8 h/ Z9 u6 S- }( K5 H
( U' X# c. E u' _, s
EXPORT __initial_sp$ L0 L* S" K4 N
EXPORT __heap_base
7 B) v/ p. Z" z4 p* ~/ {' i EXPORT __heap_limit) _. d$ [ {1 P: b+ e) E
! }5 D# S d$ X9 C! I: a, }! L
ELSE ; 如果没定义__MICROLIB,则使用默认的C运行时库5 P$ @8 D1 ~0 m6 |1 k' a
0 D2 K6 O7 I) |0 ]9 V+ r. S$ q( V: N IMPORT __use_two_region_memory ; 用于指定存储器模式为双段模式，即一部分储存区用于栈空间，其他的存储区用于堆空间，堆区空间可以为0，但是，这样就不能调用malloc()内存分配函数；堆区空间也可以由存储器分配，也可以从执行环境中继承。在汇编代码中，通过 IMPORT __use_two_region_memory 表明使用双段模式；在C语言中，通过 #pragma import(__use_two_region_memory)语句表明使用双段模式。4 h- i" H* @+ F- o
EXPORT __user_initial_stackheap- A, w, t9 Y/ ]* v9 e! \8 w" d
& q( ~& ^! R) _/ J4 Q/ C
__user_initial_stackheap ; 此处是初始化两区的堆栈空间，堆是从由低到高的增长，栈是由高向低生长的，两个是互相独立的数据段，并不能交叉使用。8 B" u3 m8 ?/ f4 n, y6 W2 t
2 z* N( z$ i) O6 c0 a LDR R0, = Heap_Mem ; 保存堆始地址* n+ }2 p! ^) l4 s- c! J3 F# D" Z
LDR R1, =(Stack_Mem + Stack_Size) ; 保存栈的大小' P/ Y. z7 C- Y( C2 |$ @
LDR R2, = (Heap_Mem + Heap_Size) ; 保存堆的大小
/ y( k$ C; ?" ~1 G! ? LDR R3, = Stack_Mem ; 保存栈顶指针0 U( R4 S; n9 `& Z8 G7 k& b9 E
BX LR" t0 k# f7 }% O% }* j
: {' Z, H* L; c. h% |6 k6 p ALIGN ; 填充字节使地址对齐* d; t% ]0 k- E! q. k/ ?3 X
% Y$ B! W4 E) F5 M* t( F$ F7 H0 u
ENDIF
% t* [- M8 _3 J/ O% F0 F6 q0 a: c1 \% Y6 o7 q
END ; END 命令指示汇编器，已到达一个源文件的末尾。; ]0 F7 c/ A' G! ^8 q \, S
) A! ?1 _2 S4 R5 C;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE***** |
|
/1 
发表于 2020-12-1 17:13
收藏
淘帖
支持！
反对！