1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
|
/*********************** (C) COPYRIGHT 2020 Aisinochip *************************
;* File Name : Startup_ACM32F4.s
;* Author : AisinoChip Firmware Team
;* Version : V1.0.0
;* Date : 2020
;* Description : ACM32F4 Devices vector table for GCC toolchain.
;* This module performs:
;* - Set the initial SP
;* - Set the initial PC == Reset_Handler
;* - Set the vector table entries with the exceptions ISR address
;* - Configure the clock system
;* - Branches to __main in the C library (which eventually
;* calls main()).
;* After Reset the Cortex-M33 processor is in Thread mode,
;* priority is Privileged, and the Stack is set to Main.
;********************************************************************************
;* @attention
;*
;* Copyright (c) 2020 AisinoChip.
;* All rights reserved.
;*******************************************************************************/
.syntax unified
.cpu cortex-m33
.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
/*.equ BootRAM, 0xF108F85F */
/**
* @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:
/* 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 entry
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 WDT_IRQHandler
.word RTC_IRQHandler
.word EFC_IRQHandler
.word GPIOAB_IRQHandler
.word GPIOCD_IRQHandler
.word EXIT_IRQHandler
.word SRAM_PAPITY_IRQHandler
.word CLKRDY_IRQHandler
.word UART4_IRQHandler
.word DMA_IRQHandler
.word UART3_IRQHandler
.word RSV_IRQHandler
.word ADC_IRQHandler
.word TIM1_BRK_UP_TRG_COM_IRQHandler
.word TIM1_CC_IRQHandler
.word TIM2_IRQHandler
.word TIM3_IRQHandler
.word TIM6_IRQHandler
.word TIM7_IRQHandler
.word TIM14_IRQHandler
.word TIM15_IRQHandler
.word TIM16_IRQHandler
.word TIM17_IRQHandler
.word I2C1_IRQHandler
.word I2C2_IRQHandler
.word SPI1_IRQHandler
.word SPI2_IRQHandler
.word UART1_IRQHandler
.word UART2_IRQHandler
.word LPUART_IRQHandler
.word SPI3_IRQHandler
.word AES_IRQHandler
.word USB_IRQHandler
.word DAC_IRQHandler
.word I2S_IRQHandler
.word GPIOEF_IRQHandler
.word CAN1_IRQHandler
.word CAN2_IRQHandler
.word FPU_IRQHandler
.word TIM4_IRQHandler
.word SPI4_IRQHandler
/*******************************************************************************
*
* 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 WDT_IRQHandler
.thumb_set WDT_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak EFC_IRQHandler
.thumb_set EFC_IRQHandler,Default_Handler
.weak GPIOAB_IRQHandler
.thumb_set GPIOAB_IRQHandler,Default_Handler
.weak GPIOCD_IRQHandler
.thumb_set GPIOCD_IRQHandler,Default_Handler
.weak EXIT_IRQHandler
.thumb_set EXIT_IRQHandler,Default_Handler
.weak SRAM_PAPITY_IRQHandler
.thumb_set SRAM_PAPITY_IRQHandler,Default_Handler
.weak CLKRDY_IRQHandler
.thumb_set CLKRDY_IRQHandler,Default_Handler
.weak UART4_IRQHandler
.thumb_set UART4_IRQHandler,Default_Handler
.weak DMA_IRQHandler
.thumb_set DMA_IRQHandler,Default_Handler
.weak UART3_IRQHandler
.thumb_set UART3_IRQHandler,Default_Handler
.weak RSV_IRQHandler
.thumb_set RSV_IRQHandler,Default_Handler
.weak ADC_IRQHandler
.thumb_set ADC_IRQHandler,Default_Handler
.weak TIM1_BRK_UP_TRG_COM_IRQHandler
.thumb_set TIM1_BRK_UP_TRG_COM_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 TIM6_IRQHandler
.thumb_set TIM6_IRQHandler,Default_Handler
.weak TIM7_IRQHandler
.thumb_set TIM7_IRQHandler,Default_Handler
.weak TIM14_IRQHandler
.thumb_set TIM14_IRQHandler,Default_Handler
.weak TIM15_IRQHandler
.thumb_set TIM15_IRQHandler,Default_Handler
.weak TIM16_IRQHandler
.thumb_set TIM16_IRQHandler,Default_Handler
.weak TIM17_IRQHandler
.thumb_set TIM17_IRQHandler,Default_Handler
.weak I2C1_IRQHandler
.thumb_set I2C1_IRQHandler,Default_Handler
.weak I2C2_IRQHandler
.thumb_set I2C2_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak SPI2_IRQHandler
.thumb_set SPI2_IRQHandler,Default_Handler
.weak UART1_IRQHandler
.thumb_set UART1_IRQHandler,Default_Handler
.weak UART2_IRQHandler
.thumb_set UART2_IRQHandler,Default_Handler
.weak LPUART_IRQHandler
.thumb_set LPUART_IRQHandler,Default_Handler
.weak SPI3_IRQHandler
.thumb_set SPI3_IRQHandler,Default_Handler
.weak AES_IRQHandler
.thumb_set AES_IRQHandler,Default_Handler
.weak USB_IRQHandler
.thumb_set USB_IRQHandler,Default_Handler
.weak DAC_IRQHandler
.thumb_set DAC_IRQHandler,Default_Handler
.weak I2S_IRQHandler
.thumb_set I2S_IRQHandler,Default_Handler
.weak GPIOEF_IRQHandler
.thumb_set GPIOEF_IRQHandler,Default_Handler
.weak CAN1_IRQHandler
.thumb_set CAN1_IRQHandler,Default_Handler
.weak CAN2_IRQHandler
.thumb_set CAN2_IRQHandler,Default_Handler
.weak FPU_IRQHandler
.thumb_set FPU_IRQHandler,Default_Handler
.weak TIM4_IRQHandler
.thumb_set TIM4_IRQHandler,Default_Handler
.weak SPI4_IRQHandler
.thumb_set SPI4_IRQHandler,Default_Handler
|
