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| 1 | +/********************************** (C) COPYRIGHT ******************************* |
| 2 | +* File Name : startup_ch32f10x.s |
| 3 | +* Author : WCH |
| 4 | +* Version : V1.0.0 |
| 5 | +* Date : 2020/11/01 |
| 6 | +* Description : CH32F10x vector table for GCC toolchain. |
| 7 | +*******************************************************************************/ |
| 8 | + |
| 9 | + .syntax unified |
| 10 | + .cpu cortex-m3 |
| 11 | + .fpu softvfp |
| 12 | + .thumb |
| 13 | + |
| 14 | +.global g_pfnVectors |
| 15 | +.global Default_Handler |
| 16 | + |
| 17 | +/* start address for the initialization values of the .data section. |
| 18 | +defined in linker script */ |
| 19 | +.word _sidata |
| 20 | +/* start address for the .data section. defined in linker script */ |
| 21 | +.word _sdata |
| 22 | +/* end address for the .data section. defined in linker script */ |
| 23 | +.word _edata |
| 24 | +/* start address for the .bss section. defined in linker script */ |
| 25 | +.word _sbss |
| 26 | +/* end address for the .bss section. defined in linker script */ |
| 27 | +.word _ebss |
| 28 | + |
| 29 | +/******************************************************************************* |
| 30 | + Reset handler |
| 31 | +*******************************************************************************/ |
| 32 | + .section .text.Reset_Handler |
| 33 | + .weak Reset_Handler |
| 34 | + .type Reset_Handler, %function |
| 35 | +Reset_Handler: |
| 36 | + |
| 37 | +/* Copy the data segment initializers from flash to SRAM */ |
| 38 | + movs r1, #0 |
| 39 | + b LoopCopyDataInit |
| 40 | + |
| 41 | +CopyDataInit: |
| 42 | + ldr r3, =_sidata |
| 43 | + ldr r3, [r3, r1] |
| 44 | + str r3, [r0, r1] |
| 45 | + adds r1, r1, #4 |
| 46 | + |
| 47 | +LoopCopyDataInit: |
| 48 | + ldr r0, =_sdata |
| 49 | + ldr r3, =_edata |
| 50 | + adds r2, r0, r1 |
| 51 | + cmp r2, r3 |
| 52 | + bcc CopyDataInit |
| 53 | + ldr r2, =_sbss |
| 54 | + b LoopFillZerobss |
| 55 | +/* Zero fill the bss segment. */ |
| 56 | +FillZerobss: |
| 57 | + movs r3, #0 |
| 58 | + str r3, [r2], #4 |
| 59 | + |
| 60 | +LoopFillZerobss: |
| 61 | + ldr r3, = _ebss |
| 62 | + cmp r2, r3 |
| 63 | + bcc FillZerobss |
| 64 | +/* Call the clock system intitialization function.*/ |
| 65 | + bl SystemInit |
| 66 | +/* Call the application's entry point.*/ |
| 67 | + bl main |
| 68 | + bx lr |
| 69 | +.size Reset_Handler, .-Reset_Handler |
| 70 | + |
| 71 | +/******************************************************************************* |
| 72 | + This simply enters an infinite loop. |
| 73 | +*******************************************************************************/ |
| 74 | + .section .text.Default_Handler,"ax",%progbits |
| 75 | +Default_Handler: |
| 76 | +Infinite_Loop: |
| 77 | + b Infinite_Loop |
| 78 | + .size Default_Handler, .-Default_Handler |
| 79 | + |
| 80 | +/******************************************************************************* |
| 81 | + Vector Table Mapped to Address 0 at Reset. |
| 82 | +*******************************************************************************/ |
| 83 | + .section .isr_vector,"a",%progbits |
| 84 | + .type g_pfnVectors, %object |
| 85 | + .size g_pfnVectors, .-g_pfnVectors |
| 86 | + |
| 87 | +g_pfnVectors: |
| 88 | + .word _estack |
| 89 | + .word Reset_Handler |
| 90 | + .word NMI_Handler |
| 91 | + .word HardFault_Handler |
| 92 | + .word MemManage_Handler |
| 93 | + .word BusFault_Handler |
| 94 | + .word UsageFault_Handler |
| 95 | + .word 0 |
| 96 | + .word 0 |
| 97 | + .word 0 |
| 98 | + .word 0 |
| 99 | + .word SVC_Handler |
| 100 | + .word DebugMon_Handler |
| 101 | + .word 0 |
| 102 | + .word PendSV_Handler |
| 103 | + .word SysTick_Handler |
| 104 | + |
| 105 | +/******************************************************************************* |
| 106 | + External Interrupts |
| 107 | +*******************************************************************************/ |
| 108 | + .word WWDG_IRQHandler |
| 109 | + .word PVD_IRQHandler |
| 110 | + .word TAMPER_IRQHandler |
| 111 | + .word RTC_IRQHandler |
| 112 | + .word FLASH_IRQHandler |
| 113 | + .word RCC_IRQHandler |
| 114 | + .word EXTI0_IRQHandler |
| 115 | + .word EXTI1_IRQHandler |
| 116 | + .word EXTI2_IRQHandler |
| 117 | + .word EXTI3_IRQHandler |
| 118 | + .word EXTI4_IRQHandler |
| 119 | + .word DMA1_Channel1_IRQHandler |
| 120 | + .word DMA1_Channel2_IRQHandler |
| 121 | + .word DMA1_Channel3_IRQHandler |
| 122 | + .word DMA1_Channel4_IRQHandler |
| 123 | + .word DMA1_Channel5_IRQHandler |
| 124 | + .word DMA1_Channel6_IRQHandler |
| 125 | + .word DMA1_Channel7_IRQHandler |
| 126 | + .word ADC1_2_IRQHandler |
| 127 | + .word USB_HP_CAN1_TX_IRQHandler |
| 128 | + .word USB_LP_CAN1_RX0_IRQHandler |
| 129 | + .word CAN1_RX1_IRQHandler |
| 130 | + .word CAN1_SCE_IRQHandler |
| 131 | + .word EXTI9_5_IRQHandler |
| 132 | + .word TIM1_BRK_IRQHandler |
| 133 | + .word TIM1_UP_IRQHandler |
| 134 | + .word TIM1_TRG_COM_IRQHandler |
| 135 | + .word TIM1_CC_IRQHandler |
| 136 | + .word TIM2_IRQHandler |
| 137 | + .word TIM3_IRQHandler |
| 138 | + .word TIM4_IRQHandler |
| 139 | + .word I2C1_EV_IRQHandler |
| 140 | + .word I2C1_ER_IRQHandler |
| 141 | + .word I2C2_EV_IRQHandler |
| 142 | + .word I2C2_ER_IRQHandler |
| 143 | + .word SPI1_IRQHandler |
| 144 | + .word SPI2_IRQHandler |
| 145 | + .word USART1_IRQHandler |
| 146 | + .word USART2_IRQHandler |
| 147 | + .word USART3_IRQHandler |
| 148 | + .word EXTI15_10_IRQHandler |
| 149 | + .word RTCAlarm_IRQHandler |
| 150 | + .word USBWakeUp_IRQHandler |
| 151 | + .word USBHD_IRQHandler |
| 152 | + |
| 153 | +/******************************************************************************* |
| 154 | + Dummy Exception Handlers (infinite loops which can be modified) |
| 155 | +*******************************************************************************/ |
| 156 | + .weak NMI_Handler |
| 157 | + .thumb_set NMI_Handler,Default_Handler |
| 158 | + |
| 159 | + .weak HardFault_Handler |
| 160 | + .thumb_set HardFault_Handler,Default_Handler |
| 161 | + |
| 162 | + .weak MemManage_Handler |
| 163 | + .thumb_set MemManage_Handler,Default_Handler |
| 164 | + |
| 165 | + .weak BusFault_Handler |
| 166 | + .thumb_set BusFault_Handler,Default_Handler |
| 167 | + |
| 168 | + .weak UsageFault_Handler |
| 169 | + .thumb_set UsageFault_Handler,Default_Handler |
| 170 | + |
| 171 | + .weak SVC_Handler |
| 172 | + .thumb_set SVC_Handler,Default_Handler |
| 173 | + |
| 174 | + .weak DebugMon_Handler |
| 175 | + .thumb_set DebugMon_Handler,Default_Handler |
| 176 | + |
| 177 | + .weak PendSV_Handler |
| 178 | + .thumb_set PendSV_Handler,Default_Handler |
| 179 | + |
| 180 | + .weak SysTick_Handler |
| 181 | + .thumb_set SysTick_Handler,Default_Handler |
| 182 | + |
| 183 | + .weak WWDG_IRQHandler |
| 184 | + .thumb_set WWDG_IRQHandler,Default_Handler |
| 185 | + |
| 186 | + .weak PVD_IRQHandler |
| 187 | + .thumb_set PVD_IRQHandler,Default_Handler |
| 188 | + |
| 189 | + .weak TAMPER_IRQHandler |
| 190 | + .thumb_set TAMPER_IRQHandler,Default_Handler |
| 191 | + |
| 192 | + .weak RTC_IRQHandler |
| 193 | + .thumb_set RTC_IRQHandler,Default_Handler |
| 194 | + |
| 195 | + .weak FLASH_IRQHandler |
| 196 | + .thumb_set FLASH_IRQHandler,Default_Handler |
| 197 | + |
| 198 | + .weak RCC_IRQHandler |
| 199 | + .thumb_set RCC_IRQHandler,Default_Handler |
| 200 | + |
| 201 | + .weak EXTI0_IRQHandler |
| 202 | + .thumb_set EXTI0_IRQHandler,Default_Handler |
| 203 | + |
| 204 | + .weak EXTI1_IRQHandler |
| 205 | + .thumb_set EXTI1_IRQHandler,Default_Handler |
| 206 | + |
| 207 | + .weak EXTI2_IRQHandler |
| 208 | + .thumb_set EXTI2_IRQHandler,Default_Handler |
| 209 | + |
| 210 | + .weak EXTI3_IRQHandler |
| 211 | + .thumb_set EXTI3_IRQHandler,Default_Handler |
| 212 | + |
| 213 | + .weak EXTI4_IRQHandler |
| 214 | + .thumb_set EXTI4_IRQHandler,Default_Handler |
| 215 | + |
| 216 | + .weak DMA1_Channel1_IRQHandler |
| 217 | + .thumb_set DMA1_Channel1_IRQHandler,Default_Handler |
| 218 | + |
| 219 | + .weak DMA1_Channel2_IRQHandler |
| 220 | + .thumb_set DMA1_Channel2_IRQHandler,Default_Handler |
| 221 | + |
| 222 | + .weak DMA1_Channel3_IRQHandler |
| 223 | + .thumb_set DMA1_Channel3_IRQHandler,Default_Handler |
| 224 | + |
| 225 | + .weak DMA1_Channel4_IRQHandler |
| 226 | + .thumb_set DMA1_Channel4_IRQHandler,Default_Handler |
| 227 | + |
| 228 | + .weak DMA1_Channel5_IRQHandler |
| 229 | + .thumb_set DMA1_Channel5_IRQHandler,Default_Handler |
| 230 | + |
| 231 | + .weak DMA1_Channel6_IRQHandler |
| 232 | + .thumb_set DMA1_Channel6_IRQHandler,Default_Handler |
| 233 | + |
| 234 | + .weak DMA1_Channel7_IRQHandler |
| 235 | + .thumb_set DMA1_Channel7_IRQHandler,Default_Handler |
| 236 | + |
| 237 | + .weak ADC1_2_IRQHandler |
| 238 | + .thumb_set ADC1_2_IRQHandler,Default_Handler |
| 239 | + |
| 240 | + .weak USB_HP_CAN1_TX_IRQHandler |
| 241 | + .thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler |
| 242 | + |
| 243 | + .weak USB_LP_CAN1_RX0_IRQHandler |
| 244 | + .thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler |
| 245 | + |
| 246 | + .weak CAN1_RX1_IRQHandler |
| 247 | + .thumb_set CAN1_RX1_IRQHandler,Default_Handler |
| 248 | + |
| 249 | + .weak CAN1_SCE_IRQHandler |
| 250 | + .thumb_set CAN1_SCE_IRQHandler,Default_Handler |
| 251 | + |
| 252 | + .weak EXTI9_5_IRQHandler |
| 253 | + .thumb_set EXTI9_5_IRQHandler,Default_Handler |
| 254 | + |
| 255 | + .weak TIM1_BRK_IRQHandler |
| 256 | + .thumb_set TIM1_BRK_IRQHandler,Default_Handler |
| 257 | + |
| 258 | + .weak TIM1_UP_IRQHandler |
| 259 | + .thumb_set TIM1_UP_IRQHandler,Default_Handler |
| 260 | + |
| 261 | + .weak TIM1_TRG_COM_IRQHandler |
| 262 | + .thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler |
| 263 | + |
| 264 | + .weak TIM1_CC_IRQHandler |
| 265 | + .thumb_set TIM1_CC_IRQHandler,Default_Handler |
| 266 | + |
| 267 | + .weak TIM2_IRQHandler |
| 268 | + .thumb_set TIM2_IRQHandler,Default_Handler |
| 269 | + |
| 270 | + .weak TIM3_IRQHandler |
| 271 | + .thumb_set TIM3_IRQHandler,Default_Handler |
| 272 | + |
| 273 | + .weak TIM4_IRQHandler |
| 274 | + .thumb_set TIM4_IRQHandler,Default_Handler |
| 275 | + |
| 276 | + .weak I2C1_EV_IRQHandler |
| 277 | + .thumb_set I2C1_EV_IRQHandler,Default_Handler |
| 278 | + |
| 279 | + .weak I2C1_ER_IRQHandler |
| 280 | + .thumb_set I2C1_ER_IRQHandler,Default_Handler |
| 281 | + |
| 282 | + .weak I2C2_EV_IRQHandler |
| 283 | + .thumb_set I2C2_EV_IRQHandler,Default_Handler |
| 284 | + |
| 285 | + .weak I2C2_ER_IRQHandler |
| 286 | + .thumb_set I2C2_ER_IRQHandler,Default_Handler |
| 287 | + |
| 288 | + .weak SPI1_IRQHandler |
| 289 | + .thumb_set SPI1_IRQHandler,Default_Handler |
| 290 | + |
| 291 | + .weak SPI2_IRQHandler |
| 292 | + .thumb_set SPI2_IRQHandler,Default_Handler |
| 293 | + |
| 294 | + .weak USART1_IRQHandler |
| 295 | + .thumb_set USART1_IRQHandler,Default_Handler |
| 296 | + |
| 297 | + .weak USART2_IRQHandler |
| 298 | + .thumb_set USART2_IRQHandler,Default_Handler |
| 299 | + |
| 300 | + .weak USART3_IRQHandler |
| 301 | + .thumb_set USART3_IRQHandler,Default_Handler |
| 302 | + |
| 303 | + .weak EXTI15_10_IRQHandler |
| 304 | + .thumb_set EXTI15_10_IRQHandler,Default_Handler |
| 305 | + |
| 306 | + .weak RTCAlarm_IRQHandler |
| 307 | + .thumb_set RTCAlarm_IRQHandler,Default_Handler |
| 308 | + |
| 309 | + .weak USBWakeUp_IRQHandler |
| 310 | + .thumb_set USBWakeUp_IRQHandler,Default_Handler |
| 311 | + |
| 312 | + .weak USBHD_IRQHandler |
| 313 | + .thumb_set USBHD_IRQHandler,Default_Handler |
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