startup_stm32f10x_ld_vl.s 10.2 KB
Newer Older
1
/**
wuyangyong's avatar
wuyangyong 已提交
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
 ******************************************************************************
 * @file      startup_stm32f10x_ld_vl.s
 * @author    MCD Application Team
 * @version   V3.4.0
 * @date      10/15/2010
 * @brief     STM32F10x Low Density Value Line Devices vector table for RIDE7
 *            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-M3 processor is in Thread mode,
 *            priority is Privileged, and the Stack is set to Main.
 *******************************************************************************
 * @copy
 *
 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
 *
 * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
 */
30 31
    
  .syntax unified
wuyangyong's avatar
wuyangyong 已提交
32 33 34
  .cpu cortex-m3
  .fpu softvfp
  .thumb
35

wuyangyong's avatar
wuyangyong 已提交
36 37
.global  g_pfnVectors
.global  Default_Handler
38 39 40

/* start address for the initialization values of the .data section. 
defined in linker script */
wuyangyong's avatar
wuyangyong 已提交
41
.word  _sidata
42
/* start address for the .data section. defined in linker script */  
wuyangyong's avatar
wuyangyong 已提交
43
.word  _sdata
44
/* end address for the .data section. defined in linker script */
wuyangyong's avatar
wuyangyong 已提交
45
.word  _edata
46
/* start address for the .bss section. defined in linker script */
wuyangyong's avatar
wuyangyong 已提交
47
.word  _sbss
48
/* end address for the .bss section. defined in linker script */
wuyangyong's avatar
wuyangyong 已提交
49
.word  _ebss
50 51 52 53 54 55 56 57

.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
wuyangyong's avatar
wuyangyong 已提交
58
 * @retval None
59 60
*/

wuyangyong's avatar
wuyangyong 已提交
61
  .section  .text.Reset_Handler
wuyangyong's avatar
wuyangyong 已提交
62 63 64
  .weak  Reset_Handler
  .type  Reset_Handler, %function
Reset_Handler:  
65 66

/* Copy the data segment initializers from flash to SRAM */  
wuyangyong's avatar
wuyangyong 已提交
67
  movs  r1, #0
wuyangyong's avatar
wuyangyong 已提交
68
  b     LoopCopyDataInit
69 70

CopyDataInit:
wuyangyong's avatar
wuyangyong 已提交
71 72 73
  ldr   r3, =_sidata
  ldr   r3, [r3, r1]
  str   r3, [r0, r1]
wuyangyong's avatar
wuyangyong 已提交
74
  adds  r1, r1, #4
75 76
    
LoopCopyDataInit:
wuyangyong's avatar
wuyangyong 已提交
77 78
  ldr   r0, =_sdata
  ldr   r3, =_edata
wuyangyong's avatar
wuyangyong 已提交
79
  adds  r2, r0, r1
wuyangyong's avatar
wuyangyong 已提交
80 81 82 83
  cmp   r2, r3
  bcc   CopyDataInit
  ldr   r2, =_sbss
  b     LoopFillZerobss
84 85
/* Zero fill the bss segment. */  
FillZerobss:
wuyangyong's avatar
wuyangyong 已提交
86
  movs  r3, #0
wuyangyong's avatar
wuyangyong 已提交
87
  str   r3, [r2], #4
88 89
    
LoopFillZerobss:
wuyangyong's avatar
wuyangyong 已提交
90 91 92 93 94
  ldr   r3, = _ebss
  cmp   r2, r3
  bcc   FillZerobss
/* Call the clock system intitialization function.*/
  bl  SystemInit   
95
/* Call the application's entry point.*/
wuyangyong's avatar
wuyangyong 已提交
96 97
  bl    main
  bx    lr    
wuyangyong's avatar
wuyangyong 已提交
98
.size  Reset_Handler, .-Reset_Handler
99 100 101

/**
 * @brief  This is the code that gets called when the processor receives an 
wuyangyong's avatar
wuyangyong 已提交
102
 *         unexpected interrupt. This simply enters an infinite loop, preserving
103 104
 *         the system state for examination by a debugger.
 * @param  None     
wuyangyong's avatar
wuyangyong 已提交
105
 * @retval None       
106
*/
wuyangyong's avatar
wuyangyong 已提交
107
  .section  .text.Default_Handler,"ax",%progbits
108 109
Default_Handler:
Infinite_Loop:
wuyangyong's avatar
wuyangyong 已提交
110 111
  b  Infinite_Loop
  .size  Default_Handler, .-Default_Handler
112
/******************************************************************************
wuyangyong's avatar
wuyangyong 已提交
113
* The minimal vector table for a Cortex M3. Note that the proper constructs
114 115
* must be placed on this to ensure that it ends up at physical address
* 0x0000.0000.
wuyangyong's avatar
wuyangyong 已提交
116
* 
117
******************************************************************************/    
wuyangyong's avatar
wuyangyong 已提交
118
  .section  .isr_vector,"a",%progbits
wuyangyong's avatar
wuyangyong 已提交
119 120
  .type  g_pfnVectors, %object
  .size  g_pfnVectors, .-g_pfnVectors
wuyangyong's avatar
wuyangyong 已提交
121

122
g_pfnVectors:
wuyangyong's avatar
wuyangyong 已提交
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
  .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
  .word  PVD_IRQHandler
  .word  TAMPER_IRQHandler
  .word  RTC_IRQHandler
  .word  FLASH_IRQHandler
  .word  RCC_IRQHandler
  .word  EXTI0_IRQHandler
  .word  EXTI1_IRQHandler
  .word  EXTI2_IRQHandler
  .word  EXTI3_IRQHandler
  .word  EXTI4_IRQHandler
  .word  DMA1_Channel1_IRQHandler
  .word  DMA1_Channel2_IRQHandler
  .word  DMA1_Channel3_IRQHandler
  .word  DMA1_Channel4_IRQHandler
  .word  DMA1_Channel5_IRQHandler
  .word  DMA1_Channel6_IRQHandler
  .word  DMA1_Channel7_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
157 158 159 160 161
  .word  ADC1_IRQHandler
  .word  0
  .word  0
  .word  0
  .word  0
wuyangyong's avatar
wuyangyong 已提交
162
  .word  EXTI9_5_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
163 164 165
  .word  TIM1_BRK_TIM15_IRQHandler
  .word  TIM1_UP_TIM16_IRQHandler
  .word  TIM1_TRG_COM_TIM17_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
166 167 168
  .word  TIM1_CC_IRQHandler
  .word  TIM2_IRQHandler
  .word  TIM3_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
169
  .word  0
wuyangyong's avatar
wuyangyong 已提交
170 171
  .word  I2C1_EV_IRQHandler
  .word  I2C1_ER_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
172 173
  .word  0
  .word  0
wuyangyong's avatar
wuyangyong 已提交
174
  .word  SPI1_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
175
  .word  0
wuyangyong's avatar
wuyangyong 已提交
176 177
  .word  USART1_IRQHandler
  .word  USART2_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
178
  .word  0
wuyangyong's avatar
wuyangyong 已提交
179 180
  .word  EXTI15_10_IRQHandler
  .word  RTCAlarm_IRQHandler
wuyangyong's avatar
wuyangyong 已提交
181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204
  .word  CEC_IRQHandler
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  TIM6_DAC_IRQHandler
  .word  TIM7_IRQHandler
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
wuyangyong's avatar
wuyangyong 已提交
205 206 207 208 209 210 211
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
wuyangyong's avatar
wuyangyong 已提交
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
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  0
  .word  BootRAM          /* @0x01CC. This is for boot in RAM mode for 
                            STM32F10x Low Density Value Line devices. */
240 241 242 243 244 245 246
   
/*******************************************************************************
* 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.
*******************************************************************************/
    
wuyangyong's avatar
wuyangyong 已提交
247 248 249 250 251 252 253 254 255 256 257
  .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
258

wuyangyong's avatar
wuyangyong 已提交
259 260
  .weak  UsageFault_Handler
  .thumb_set UsageFault_Handler,Default_Handler
261

wuyangyong's avatar
wuyangyong 已提交
262 263
  .weak  SVC_Handler
  .thumb_set SVC_Handler,Default_Handler
264

wuyangyong's avatar
wuyangyong 已提交
265 266
  .weak  DebugMon_Handler
  .thumb_set DebugMon_Handler,Default_Handler
267

wuyangyong's avatar
wuyangyong 已提交
268 269
  .weak  PendSV_Handler
  .thumb_set PendSV_Handler,Default_Handler
270

wuyangyong's avatar
wuyangyong 已提交
271 272
  .weak  SysTick_Handler
  .thumb_set SysTick_Handler,Default_Handler
273

wuyangyong's avatar
wuyangyong 已提交
274 275
  .weak  WWDG_IRQHandler
  .thumb_set WWDG_IRQHandler,Default_Handler
276

wuyangyong's avatar
wuyangyong 已提交
277 278
  .weak  PVD_IRQHandler
  .thumb_set PVD_IRQHandler,Default_Handler
279

wuyangyong's avatar
wuyangyong 已提交
280 281
  .weak  TAMPER_IRQHandler
  .thumb_set TAMPER_IRQHandler,Default_Handler
282

wuyangyong's avatar
wuyangyong 已提交
283 284
  .weak  RTC_IRQHandler
  .thumb_set RTC_IRQHandler,Default_Handler
285

wuyangyong's avatar
wuyangyong 已提交
286 287
  .weak  FLASH_IRQHandler
  .thumb_set FLASH_IRQHandler,Default_Handler
288

wuyangyong's avatar
wuyangyong 已提交
289 290
  .weak  RCC_IRQHandler
  .thumb_set RCC_IRQHandler,Default_Handler
291

wuyangyong's avatar
wuyangyong 已提交
292 293
  .weak  EXTI0_IRQHandler
  .thumb_set EXTI0_IRQHandler,Default_Handler
294

wuyangyong's avatar
wuyangyong 已提交
295 296
  .weak  EXTI1_IRQHandler
  .thumb_set EXTI1_IRQHandler,Default_Handler
297

wuyangyong's avatar
wuyangyong 已提交
298 299
  .weak  EXTI2_IRQHandler
  .thumb_set EXTI2_IRQHandler,Default_Handler
300

wuyangyong's avatar
wuyangyong 已提交
301 302
  .weak  EXTI3_IRQHandler
  .thumb_set EXTI3_IRQHandler,Default_Handler
303

wuyangyong's avatar
wuyangyong 已提交
304 305
  .weak  EXTI4_IRQHandler
  .thumb_set EXTI4_IRQHandler,Default_Handler
306

wuyangyong's avatar
wuyangyong 已提交
307 308
  .weak  DMA1_Channel1_IRQHandler
  .thumb_set DMA1_Channel1_IRQHandler,Default_Handler
309

wuyangyong's avatar
wuyangyong 已提交
310 311
  .weak  DMA1_Channel2_IRQHandler
  .thumb_set DMA1_Channel2_IRQHandler,Default_Handler
312

wuyangyong's avatar
wuyangyong 已提交
313 314
  .weak  DMA1_Channel3_IRQHandler
  .thumb_set DMA1_Channel3_IRQHandler,Default_Handler
315

wuyangyong's avatar
wuyangyong 已提交
316 317
  .weak  DMA1_Channel4_IRQHandler
  .thumb_set DMA1_Channel4_IRQHandler,Default_Handler
318

wuyangyong's avatar
wuyangyong 已提交
319 320
  .weak  DMA1_Channel5_IRQHandler
  .thumb_set DMA1_Channel5_IRQHandler,Default_Handler
321

wuyangyong's avatar
wuyangyong 已提交
322 323
  .weak  DMA1_Channel6_IRQHandler
  .thumb_set DMA1_Channel6_IRQHandler,Default_Handler
324

wuyangyong's avatar
wuyangyong 已提交
325 326
  .weak  DMA1_Channel7_IRQHandler
  .thumb_set DMA1_Channel7_IRQHandler,Default_Handler
327

wuyangyong's avatar
wuyangyong 已提交
328 329
  .weak  ADC1_IRQHandler
  .thumb_set ADC1_IRQHandler,Default_Handler
330

wuyangyong's avatar
wuyangyong 已提交
331 332
  .weak  EXTI9_5_IRQHandler
  .thumb_set EXTI9_5_IRQHandler,Default_Handler
333

wuyangyong's avatar
wuyangyong 已提交
334 335
  .weak  TIM1_BRK_TIM15_IRQHandler
  .thumb_set TIM1_BRK_TIM15_IRQHandler,Default_Handler
336

wuyangyong's avatar
wuyangyong 已提交
337 338
  .weak  TIM1_UP_TIM16_IRQHandler
  .thumb_set TIM1_UP_TIM16_IRQHandler,Default_Handler
339

wuyangyong's avatar
wuyangyong 已提交
340 341
  .weak  TIM1_TRG_COM_TIM17_IRQHandler
  .thumb_set TIM1_TRG_COM_TIM17_IRQHandler,Default_Handler
342

wuyangyong's avatar
wuyangyong 已提交
343 344
  .weak  TIM1_CC_IRQHandler
  .thumb_set TIM1_CC_IRQHandler,Default_Handler
345

wuyangyong's avatar
wuyangyong 已提交
346 347
  .weak  TIM2_IRQHandler
  .thumb_set TIM2_IRQHandler,Default_Handler
348

wuyangyong's avatar
wuyangyong 已提交
349 350
  .weak  TIM3_IRQHandler
  .thumb_set TIM3_IRQHandler,Default_Handler
351

wuyangyong's avatar
wuyangyong 已提交
352 353
  .weak  I2C1_EV_IRQHandler
  .thumb_set I2C1_EV_IRQHandler,Default_Handler
354

wuyangyong's avatar
wuyangyong 已提交
355 356
  .weak  I2C1_ER_IRQHandler
  .thumb_set I2C1_ER_IRQHandler,Default_Handler
357

wuyangyong's avatar
wuyangyong 已提交
358 359
  .weak  SPI1_IRQHandler
  .thumb_set SPI1_IRQHandler,Default_Handler
360

wuyangyong's avatar
wuyangyong 已提交
361 362
  .weak  USART1_IRQHandler
  .thumb_set USART1_IRQHandler,Default_Handler
363

wuyangyong's avatar
wuyangyong 已提交
364 365
  .weak  USART2_IRQHandler
  .thumb_set USART2_IRQHandler,Default_Handler
366

wuyangyong's avatar
wuyangyong 已提交
367 368
  .weak  EXTI15_10_IRQHandler
  .thumb_set EXTI15_10_IRQHandler,Default_Handler
369

wuyangyong's avatar
wuyangyong 已提交
370 371
  .weak  RTCAlarm_IRQHandler
  .thumb_set RTCAlarm_IRQHandler,Default_Handler
372

wuyangyong's avatar
wuyangyong 已提交
373 374
  .weak  CEC_IRQHandler
  .thumb_set CEC_IRQHandler,Default_Handler
375

wuyangyong's avatar
wuyangyong 已提交
376 377
  .weak  TIM6_DAC_IRQHandler
  .thumb_set TIM6_DAC_IRQHandler,Default_Handler
378

wuyangyong's avatar
wuyangyong 已提交
379 380 381 382
  .weak  TIM7_IRQHandler
  .thumb_set TIM7_IRQHandler,Default_Handler  
  
/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/