.syntax unified .cpu cortex-m23 .fpu softvfp .thumb .global g_pfnVectors .global Default_Handler /* necessary symbols defined in linker script to initialize data */ .word _sidata .word _sdata .word _edata .word _sbss .word _ebss .section .text.Reset_Handler .weak Reset_Handler .type Reset_Handler, %function /* reset Handler */ Reset_Handler: ldr r0, =_sp mov sp, r0 /* copy the data segment into ram */ 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 FillZerobss: movs r3, #0 str r3, [r2] adds r2, r2, #4 LoopFillZerobss: ldr r3, = _ebss cmp r2, r3 bcc FillZerobss /* Call SystemInit function */ bl SystemInit /* Call static constructors */ bl __libc_init_array /*Call the main function */ bl main LoopForever: b LoopForever .size Reset_Handler, .-Reset_Handler .section .text.Default_Handler,"ax",%progbits Default_Handler: Infinite_Loop: b Infinite_Loop .size Default_Handler, .-Default_Handler .section .vectors,"a",%progbits .global __gVectors __gVectors: .word _sp /* Top of Stack */ .word Reset_Handler /* 1:Reset Handler */ .word NMI_Handler /* 2:NMI Handler */ .word HardFault_Handler /* 3:Hard Fault Handler */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word SVC_Handler /* 11:SVCall Handler */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word PendSV_Handler /* 14:PendSV Handler */ .word SysTick_Handler /* 15:SysTick Handler */ /* external interrupts handler */ .word WWDGT_IRQHandler /* 16:Window Watchdog Timer */ .word LVD_IRQHandler /* 17:LVD through EXTI Line detect */ .word RTC_IRQHandler /* 18:RTC through EXTI Line */ .word FMC_IRQHandler /* 19:FMC */ .word RCU_IRQHandler /* 20:RCU */ .word EXTI0_1_IRQHandler /* 21:EXTI Line 0 and EXTI Line 1 */ .word EXTI2_3_IRQHandler /* 22:EXTI Line 2 and EXTI Line 3 */ .word EXTI4_15_IRQHandler /* 23:EXTI Line 4 to EXTI Line 15 */ .word 0 /* Reserved */ .word DMA_Channel0_IRQHandler /* 25:DMA Channel 0 */ .word DMA_Channel1_2_IRQHandler /* 26:DMA Channel 1 and DMA Channel 2 */ .word DMA_Channel3_4_IRQHandler /* 27:DMA Channel 3 and DMA Channel 4 */ .word ADC_CMP_IRQHandler /* 28:ADC and Comparator */ .word TIMER0_BRK_UP_TRG_COM_IRQHandler /* 29:TIMER0 Break,Update,Trigger and Commutation */ .word TIMER0_Channel_IRQHandler /* 30:TIMER0 Channel Capture Compare */ .word 0 /* Reserved */ .word TIMER2_IRQHandler /* 32:TIMER2 */ .word TIMER5_IRQHandler /* 33:TIMER5 */ .word 0 /* Reserved */ .word TIMER13_IRQHandler /* 35:TIMER13 */ .word TIMER14_IRQHandler /* 36:TIMER14 */ .word TIMER15_IRQHandler /* 37:TIMER15 */ .word TIMER16_IRQHandler /* 38:TIMER16 */ .word I2C0_EV_IRQHandler /* 39:I2C0 Event */ .word I2C1_EV_IRQHandler /* 40:I2C1 Event */ .word SPI0_IRQHandler /* 41:SPI0 */ .word SPI1_IRQHandler /* 42:SPI1 */ .word USART0_IRQHandler /* 43:USART0 */ .word USART1_IRQHandler /* 44:USART1 */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word I2C0_ER_IRQHandler /* 48:I2C0 Error */ .word 0 /* Reserved */ .word I2C1_ER_IRQHandler /* 50:I2C1 Error */ .size __gVectors, . - __gVectors .weak NMI_Handler .thumb_set NMI_Handler,Default_Handler .weak HardFault_Handler .thumb_set HardFault_Handler,Default_Handler .weak SVC_Handler .thumb_set SVC_Handler,Default_Handler .weak PendSV_Handler .thumb_set PendSV_Handler,Default_Handler .weak SysTick_Handler .thumb_set SysTick_Handler,Default_Handler .weak WWDGT_IRQHandler .thumb_set WWDGT_IRQHandler,Default_Handler .weak LVD_IRQHandler .thumb_set LVD_IRQHandler,Default_Handler .weak TAMPER_IRQHandler .thumb_set TAMPER_IRQHandler,Default_Handler .weak RTC_IRQHandler .thumb_set RTC_IRQHandler,Default_Handler .weak FMC_IRQHandler .thumb_set FMC_IRQHandler,Default_Handler .weak RCU_IRQHandler .thumb_set RCU_IRQHandler,Default_Handler .weak EXTI0_1_IRQHandler .thumb_set EXTI0_1_IRQHandler,Default_Handler .weak EXTI2_3_IRQHandler .thumb_set EXTI2_3_IRQHandler,Default_Handler .weak EXTI4_15_IRQHandler .thumb_set EXTI4_15_IRQHandler,Default_Handler .weak DMA_Channel0_IRQHandler .thumb_set DMA_Channel0_IRQHandler,Default_Handler .weak DMA_Channel1_2_IRQHandler .thumb_set DMA_Channel1_2_IRQHandler,Default_Handler .weak DMA_Channel3_4_IRQHandler .thumb_set DMA_Channel3_4_IRQHandler,Default_Handler .weak ADC_CMP_IRQHandler .thumb_set ADC_CMP_IRQHandler,Default_Handler .weak TIMER0_BRK_UP_TRG_COM_IRQHandler .thumb_set TIMER0_BRK_UP_TRG_COM_IRQHandler,Default_Handler .weak TIMER0_Channel_IRQHandler .thumb_set TIMER0_Channel_IRQHandler,Default_Handler .weak TIMER2_IRQHandler .thumb_set TIMER2_IRQHandler,Default_Handler .weak TIMER5_IRQHandler .thumb_set TIMER5_IRQHandler,Default_Handler .weak TIMER13_IRQHandler .thumb_set TIMER13_IRQHandler,Default_Handler .weak TIMER14_IRQHandler .thumb_set TIMER14_IRQHandler,Default_Handler .weak TIMER15_IRQHandler .thumb_set TIMER15_IRQHandler,Default_Handler .weak TIMER16_IRQHandler .thumb_set TIMER16_IRQHandler,Default_Handler .weak I2C0_EV_IRQHandler .thumb_set I2C0_EV_IRQHandler,Default_Handler .weak I2C1_EV_IRQHandler .thumb_set I2C1_EV_IRQHandler,Default_Handler .weak SPI0_IRQHandler .thumb_set SPI0_IRQHandler,Default_Handler .weak SPI1_IRQHandler .thumb_set SPI1_IRQHandler,Default_Handler .weak USART0_IRQHandler .thumb_set USART0_IRQHandler,Default_Handler .weak USART1_IRQHandler .thumb_set USART1_IRQHandler,Default_Handler .weak I2C0_ER_IRQHandler .thumb_set I2C0_ER_IRQHandler,Default_Handler .weak I2C1_ER_IRQHandler .thumb_set I2C1_ER_IRQHandler,Default_Handler