-
Notifications
You must be signed in to change notification settings - Fork 1
/
startup_stm32wle5xx.s
424 lines (336 loc) · 16 KB
/
startup_stm32wle5xx.s
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
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/**
******************************************************************************
* @file startup_stm32wle5xx.s
* @author MCD Application Team
* @brief STM32WLE5xx 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,
* - Branches to main in the C library (which eventually
* calls main()).
* After Reset the Cortex-M4 processor is in Thread mode,
* priority is Privileged, and the Stack is set to Main.
******************************************************************************
* @attention
*
* Copyright (c) 2020-2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
.syntax unified
.cpu cortex-m4
.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
/**
* @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:
ldr r0, =_estack
mov sp, r0 /* set stack pointer */
/* Call the clock system initialization function.*/
bl SystemInit
/* Copy the data segment initializers from flash to SRAM */
ldr r0, =_sdata
ldr r1, =_edata
ldr r2, =_sidata
movs r3, #0
b LoopCopyDataInit
CopyDataInit:
ldr r4, [r2, r3]
str r4, [r0, r3]
adds r3, r3, #4
LoopCopyDataInit:
adds r4, r0, r3
cmp r4, r1
bcc CopyDataInit
/* Zero fill the bss segment. */
ldr r2, =_sbss
ldr r4, =_ebss
movs r3, #0
b LoopFillZerobss
FillZerobss:
str r3, [r2]
adds r2, r2, #4
LoopFillZerobss:
cmp r2, r4
bcc FillZerobss
/* Call static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
LoopForever:
b LoopForever
.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 STM32WLE5xx vector table. 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
.word WWDG_IRQHandler /* Window Watchdog interrupt */
.word PVD_PVM_IRQHandler /* PVD and PVM interrupt through EXTI */
.word TAMP_STAMP_LSECSS_SSRU_IRQHandler /* RTC Tamper, RTC TimeStamp, LSECSS and RTC SSRU int.*/
.word RTC_WKUP_IRQHandler /* RTC wakeup interrupt through EXTI[19] */
.word FLASH_IRQHandler /* Flash memory global interrupt and Flash memory ECC */
.word RCC_IRQHandler /* RCC global interrupt */
.word EXTI0_IRQHandler /* EXTI line 0 interrupt */
.word EXTI1_IRQHandler /* EXTI line 1 interrupt */
.word EXTI2_IRQHandler /* EXTI line 2 interrupt */
.word EXTI3_IRQHandler /* EXTI line 3 interrupt */
.word EXTI4_IRQHandler /* EXTI line 4 interrupt */
.word DMA1_Channel1_IRQHandler /* DMA1 channel 1 interrupt */
.word DMA1_Channel2_IRQHandler /* DMA1 channel 2 interrupt */
.word DMA1_Channel3_IRQHandler /* DMA1 channel 3 interrupt */
.word DMA1_Channel4_IRQHandler /* DMA1 channel 4 interrupt */
.word DMA1_Channel5_IRQHandler /* DMA1 channel 5 interrupt */
.word DMA1_Channel6_IRQHandler /* DMA1 channel 6 interrupt */
.word DMA1_Channel7_IRQHandler /* DMA1 channel 7 interrupt */
.word ADC_IRQHandler /* ADC interrupt */
.word DAC_IRQHandler /* DAC interrupt */
.word 0 /* Reserved */
.word COMP_IRQHandler /* COMP1 and COMP2 interrupt through EXTI */
.word EXTI9_5_IRQHandler /* EXTI line 9_5 interrupt */
.word TIM1_BRK_IRQHandler /* Timer 1 break interrupt */
.word TIM1_UP_IRQHandler /* Timer 1 Update */
.word TIM1_TRG_COM_IRQHandler /* Timer 1 trigger and communication */
.word TIM1_CC_IRQHandler /* Timer 1 capture compare interrupt */
.word TIM2_IRQHandler /* TIM2 global interrupt */
.word TIM16_IRQHandler /* Timer 16 global interrupt */
.word TIM17_IRQHandler /* Timer 17 global interrupt */
.word I2C1_EV_IRQHandler /* I2C1 event interrupt */
.word I2C1_ER_IRQHandler /* I2C1 event interrupt */
.word I2C2_EV_IRQHandler /* I2C2 error interrupt */
.word I2C2_ER_IRQHandler /* I2C2 error interrupt */
.word SPI1_IRQHandler /* SPI1 global interrupt */
.word SPI2_IRQHandler /* SPI2 global interrupt */
.word USART1_IRQHandler /* USART1 global interrupt */
.word USART2_IRQHandler /* USART2 global interrupt */
.word LPUART1_IRQHandler /* LPUART1 global interrupt */
.word LPTIM1_IRQHandler /* LPtimer 1 global interrupt */
.word LPTIM2_IRQHandler /* LPtimer 2 global interrupt */
.word EXTI15_10_IRQHandler /* EXTI line 15_10] interrupt through EXTI */
.word RTC_Alarm_IRQHandler /* RTC Alarms A & B interrupt */
.word LPTIM3_IRQHandler /* LPtimer 3 global interrupt */
.word SUBGHZSPI_IRQHandler /* SUBGHZSPI global interrupt */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word HSEM_IRQHandler /* Semaphore interrupt 0 to CPU1 */
.word I2C3_EV_IRQHandler /* I2C3 event interrupt */
.word I2C3_ER_IRQHandler /* I2C3 error interrupt */
.word SUBGHZ_Radio_IRQHandler /* Radio IRQs RFBUSY interrupt through EXTI */
.word AES_IRQHandler /* AES global interrupt */
.word RNG_IRQHandler /* RNG interrupt */
.word PKA_IRQHandler /* PKA interrupt */
.word DMA2_Channel1_IRQHandler /* DMA2 channel 1 interrupt */
.word DMA2_Channel2_IRQHandler /* DMA2 channel 2 interrupt */
.word DMA2_Channel3_IRQHandler /* DMA2 channel 3 interrupt */
.word DMA2_Channel4_IRQHandler /* DMA2 channel 4 interrupt */
.word DMA2_Channel5_IRQHandler /* DMA2 channel 5 interrupt */
.word DMA2_Channel6_IRQHandler /* DMA2 channel 6 interrupt */
.word DMA2_Channel7_IRQHandler /* DMA2 channel 7 interrupt */
.word DMAMUX1_OVR_IRQHandler /* DMAMUX overrun interrupt */
/*******************************************************************************
*
* 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 WWDG_IRQHandler
.thumb_set WWDG_IRQHandler,Default_Handler
.weak PVD_PVM_IRQHandler
.thumb_set PVD_PVM_IRQHandler,Default_Handler
.weak TAMP_STAMP_LSECSS_SSRU_IRQHandler
.thumb_set TAMP_STAMP_LSECSS_SSRU_IRQHandler,Default_Handler
.weak RTC_WKUP_IRQHandler
.thumb_set RTC_WKUP_IRQHandler,Default_Handler
.weak FLASH_IRQHandler
.thumb_set FLASH_IRQHandler,Default_Handler
.weak RCC_IRQHandler
.thumb_set RCC_IRQHandler,Default_Handler
.weak EXTI0_IRQHandler
.thumb_set EXTI0_IRQHandler,Default_Handler
.weak EXTI1_IRQHandler
.thumb_set EXTI1_IRQHandler,Default_Handler
.weak EXTI2_IRQHandler
.thumb_set EXTI2_IRQHandler,Default_Handler
.weak EXTI3_IRQHandler
.thumb_set EXTI3_IRQHandler,Default_Handler
.weak EXTI4_IRQHandler
.thumb_set EXTI4_IRQHandler,Default_Handler
.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
.weak DMA1_Channel2_IRQHandler
.thumb_set DMA1_Channel2_IRQHandler,Default_Handler
.weak DMA1_Channel3_IRQHandler
.thumb_set DMA1_Channel3_IRQHandler,Default_Handler
.weak DMA1_Channel4_IRQHandler
.thumb_set DMA1_Channel4_IRQHandler,Default_Handler
.weak DMA1_Channel5_IRQHandler
.thumb_set DMA1_Channel5_IRQHandler,Default_Handler
.weak DMA1_Channel6_IRQHandler
.thumb_set DMA1_Channel6_IRQHandler,Default_Handler
.weak DMA1_Channel7_IRQHandler
.thumb_set DMA1_Channel7_IRQHandler,Default_Handler
.weak ADC_IRQHandler
.thumb_set ADC_IRQHandler,Default_Handler
.weak DAC_IRQHandler
.thumb_set DAC_IRQHandler,Default_Handler
.weak COMP_IRQHandler
.thumb_set COMP_IRQHandler,Default_Handler
.weak EXTI9_5_IRQHandler
.thumb_set EXTI9_5_IRQHandler,Default_Handler
.weak TIM1_BRK_IRQHandler
.thumb_set TIM1_BRK_IRQHandler,Default_Handler
.weak TIM1_UP_IRQHandler
.thumb_set TIM1_UP_IRQHandler,Default_Handler
.weak TIM1_TRG_COM_IRQHandler
.thumb_set TIM1_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 TIM16_IRQHandler
.thumb_set TIM16_IRQHandler,Default_Handler
.weak TIM17_IRQHandler
.thumb_set TIM17_IRQHandler,Default_Handler
.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler
.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler
.weak I2C2_EV_IRQHandler
.thumb_set I2C2_EV_IRQHandler,Default_Handler
.weak I2C2_ER_IRQHandler
.thumb_set I2C2_ER_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak SPI2_IRQHandler
.thumb_set SPI2_IRQHandler,Default_Handler
.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler
.weak USART2_IRQHandler
.thumb_set USART2_IRQHandler,Default_Handler
.weak LPUART1_IRQHandler
.thumb_set LPUART1_IRQHandler,Default_Handler
.weak LPTIM1_IRQHandler
.thumb_set LPTIM1_IRQHandler,Default_Handler
.weak LPTIM2_IRQHandler
.thumb_set LPTIM2_IRQHandler,Default_Handler
.weak EXTI15_10_IRQHandler
.thumb_set EXTI15_10_IRQHandler,Default_Handler
.weak RTC_Alarm_IRQHandler
.thumb_set RTC_Alarm_IRQHandler,Default_Handler
.weak LPTIM3_IRQHandler
.thumb_set LPTIM3_IRQHandler,Default_Handler
.weak SUBGHZSPI_IRQHandler
.thumb_set SUBGHZSPI_IRQHandler,Default_Handler
.weak HSEM_IRQHandler
.thumb_set HSEM_IRQHandler,Default_Handler
.weak I2C3_EV_IRQHandler
.thumb_set I2C3_EV_IRQHandler,Default_Handler
.weak I2C3_ER_IRQHandler
.thumb_set I2C3_ER_IRQHandler,Default_Handler
.weak SUBGHZ_Radio_IRQHandler
.thumb_set SUBGHZ_Radio_IRQHandler,Default_Handler
.weak AES_IRQHandler
.thumb_set AES_IRQHandler,Default_Handler
.weak RNG_IRQHandler
.thumb_set RNG_IRQHandler,Default_Handler
.weak PKA_IRQHandler
.thumb_set PKA_IRQHandler,Default_Handler
.weak DMA2_Channel1_IRQHandler
.thumb_set DMA2_Channel1_IRQHandler,Default_Handler
.weak DMA2_Channel2_IRQHandler
.thumb_set DMA2_Channel2_IRQHandler,Default_Handler
.weak DMA2_Channel3_IRQHandler
.thumb_set DMA2_Channel3_IRQHandler,Default_Handler
.weak DMA2_Channel4_IRQHandler
.thumb_set DMA2_Channel4_IRQHandler,Default_Handler
.weak DMA2_Channel5_IRQHandler
.thumb_set DMA2_Channel5_IRQHandler,Default_Handler
.weak DMA2_Channel6_IRQHandler
.thumb_set DMA2_Channel6_IRQHandler,Default_Handler
.weak DMA2_Channel7_IRQHandler
.thumb_set DMA2_Channel7_IRQHandler,Default_Handler
.weak DMAMUX1_OVR_IRQHandler
.thumb_set DMAMUX1_OVR_IRQHandler,Default_Handler
.weak SystemInit