/** ****************************************************************************** * @file startup_at32f403accu7.s * @author Artery Tek * @version V1.0.0 * @date 2019-10-12 * @brief AT32F4xx 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 and the external SRAM to * be used as data memory (optional, to be enabled by user) * - 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. ****************************************************************************** */ .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 /* stack used for SystemInit_ExtMemCtl; always internal RAM used */ /** * @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 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 WWDG_IRQHandler /* Window Watchdog */ .word PVD_IRQHandler /* PVD through EXTI Line detect */ .word TAMPER_IRQHandler /* Tamper */ .word RTC_IRQHandler /* RTC */ .word FLASH_IRQHandler /* Flash */ .word RCC_IRQHandler /* RCC */ .word EXTI0_IRQHandler /* EXTI Line 0 */ .word EXTI1_IRQHandler /* EXTI Line 1 */ .word EXTI2_IRQHandler /* EXTI Line 2 */ .word EXTI3_IRQHandler /* EXTI Line 3 */ .word EXTI4_IRQHandler /* EXTI Line 4 */ .word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */ .word DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */ .word DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */ .word DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */ .word DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */ .word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */ .word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */ .word ADC1_2_IRQHandler /* ADC1 & ADC2 */ .word USB_HP_CAN1_TX_IRQHandler /* USB High Priority or CAN1 TX */ .word USB_LP_CAN1_RX0_IRQHandler /* USB Low Priority or CAN1 RX0 */ .word CAN1_RX1_IRQHandler /* CAN1 RX1 */ .word CAN1_SCE_IRQHandler /* CAN1 SCE */ .word EXTI9_5_IRQHandler /* EXTI Line [9:5] */ .word TMR1_BRK_TMR9_IRQHandler /* TMR1 Break and TMR9 */ .word TMR1_OV_TMR10_IRQHandler /* TMR1 Update and TMR10 */ .word TMR1_TRG_COM_TMR11_IRQHandler /* TMR1 Trigger and Commutation and TMR11 */ .word TMR1_CC_IRQHandler /* TMR1 Capture Compare */ .word TMR2_GLOBAL_IRQHandler /* TMR2 */ .word TMR3_GLOBAL_IRQHandler /* TMR3 */ .word TMR4_GLOBAL_IRQHandler /* TMR4 */ .word I2C1_EV_IRQHandler /* I2C1 Event */ .word I2C1_ER_IRQHandler /* I2C1 Error */ .word I2C2_EV_IRQHandler /* I2C2 Event */ .word I2C2_ER_IRQHandler /* I2C2 Error */ .word SPI1_IRQHandler /* SPI1 */ .word SPI2_I2S2EXT_IRQHandler /* SPI2 & I2S2EXT */ .word USART1_IRQHandler /* USART1 */ .word USART2_IRQHandler /* USART2 */ .word USART3_IRQHandler /* USART3 */ .word EXTI15_10_IRQHandler /* EXTI Line [15:10] */ .word RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */ .word USBWakeUp_IRQHandler /* USB Wakeup from suspend */ .word TMR8_BRK_TMR12_IRQHandler /* TMR8 Break and TMR12 */ .word TMR8_OV_TMR13_IRQHandler /* TMR8 Update and TMR13 */ .word TMR8_TRG_COM_TMR14_IRQHandler /* TMR8 Trigger and Commutation and TMR14 */ .word TMR8_CC_IRQHandler /* TMR8 Capture Compare */ .word ADC3_IRQHandler /* ADC3 */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word TMR5_GLOBAL_IRQHandler /* TMR5 */ .word SPI3_I2S3EXT_IRQHandler /* SPI3 & I2S3EXT */ .word UART4_IRQHandler /* UART4 */ .word UART5_IRQHandler /* UART5 */ .word TMR6_GLOBAL_IRQHandler /* TMR6 */ .word TMR7_GLOBAL_IRQHandler /* TMR7 */ .word DMA2_Channel1_IRQHandler /* DMA2 Channel1 */ .word DMA2_Channel2_IRQHandler /* DMA2 Channel2 */ .word DMA2_Channel3_IRQHandler /* DMA2 Channel3 */ .word DMA2_Channel4_5_IRQHandler /* DMA2 Channel4 & Channel5 */ .word SDIO2_IRQHandler /* SDIO2 */ .word I2C3_EV_IRQHandler /* I2C3 Event */ .word I2C3_ER_IRQHandler /* I2C3 Error */ .word SPI4_IRQHandler /* SPI4 */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word 0 /* Reserved */ .word CAN2_TX_IRQHandler /* CAN2 TX */ .word CAN2_RX0_IRQHandler /* CAN2 RX0 */ .word CAN2_RX1_IRQHandler /* CAN2 RX1 */ .word CAN2_SCE_IRQHandler /* CAN2 SCE */ .word ACC_IRQHandler /* ACC */ .word USB_HP_IRQHandler /* USB HP */ .word USB_LP_IRQHandler /* USB LP */ .word DMA2_Channel6_7_IRQHandler /* DMA2 Channel6 & Channel7 */ .word USART6_IRQHandler /* USART6 */ .word UART7_IRQHandler /* UART7 */ .word 0 /* Reserved */ /******************************************************************************* * * 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_IRQHandler .thumb_set PVD_IRQHandler,Default_Handler .weak TAMPER_IRQHandler .thumb_set TAMPER_IRQHandler,Default_Handler .weak RTC_IRQHandler .thumb_set RTC_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 ADC1_2_IRQHandler .thumb_set ADC1_2_IRQHandler,Default_Handler .weak USB_HP_CAN1_TX_IRQHandler .thumb_set USB_HP_CAN1_TX_IRQHandler,Default_Handler .weak USB_LP_CAN1_RX0_IRQHandler .thumb_set USB_LP_CAN1_RX0_IRQHandler,Default_Handler .weak CAN1_RX1_IRQHandler .thumb_set CAN1_RX1_IRQHandler,Default_Handler .weak CAN1_SCE_IRQHandler .thumb_set CAN1_SCE_IRQHandler,Default_Handler .weak EXTI9_5_IRQHandler .thumb_set EXTI9_5_IRQHandler,Default_Handler .weak TMR1_BRK_TMR9_IRQHandler .thumb_set TMR1_BRK_TMR9_IRQHandler,Default_Handler .weak TMR1_OV_TMR10_IRQHandler .thumb_set TMR1_OV_TMR10_IRQHandler,Default_Handler .weak TMR1_TRG_COM_TMR11_IRQHandler .thumb_set TMR1_TRG_COM_TMR11_IRQHandler,Default_Handler .weak TMR1_CC_IRQHandler .thumb_set TMR1_CC_IRQHandler,Default_Handler .weak TMR2_GLOBAL_IRQHandler .thumb_set TMR2_GLOBAL_IRQHandler,Default_Handler .weak TMR3_GLOBAL_IRQHandler .thumb_set TMR3_GLOBAL_IRQHandler,Default_Handler .weak TMR4_GLOBAL_IRQHandler .thumb_set TMR4_GLOBAL_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_I2S2EXT_IRQHandler .thumb_set SPI2_I2S2EXT_IRQHandler,Default_Handler .weak USART1_IRQHandler .thumb_set USART1_IRQHandler,Default_Handler .weak USART2_IRQHandler .thumb_set USART2_IRQHandler,Default_Handler .weak USART3_IRQHandler .thumb_set USART3_IRQHandler,Default_Handler .weak EXTI15_10_IRQHandler .thumb_set EXTI15_10_IRQHandler,Default_Handler .weak RTCAlarm_IRQHandler .thumb_set RTCAlarm_IRQHandler,Default_Handler .weak USBWakeUp_IRQHandler .thumb_set USBWakeUp_IRQHandler,Default_Handler .weak TMR8_BRK_TMR12_IRQHandler .thumb_set TMR8_BRK_TMR12_IRQHandler,Default_Handler .weak TMR8_OV_TMR13_IRQHandler .thumb_set TMR8_OV_TMR13_IRQHandler,Default_Handler .weak TMR8_TRG_COM_TMR14_IRQHandler .thumb_set TMR8_TRG_COM_TMR14_IRQHandler,Default_Handler .weak TMR8_CC_IRQHandler .thumb_set TMR8_CC_IRQHandler,Default_Handler .weak ADC3_IRQHandler .thumb_set ADC3_IRQHandler,Default_Handler .weak TMR5_GLOBAL_IRQHandler .thumb_set TMR5_GLOBAL_IRQHandler,Default_Handler .weak SPI3_I2S3EXT_IRQHandler .thumb_set SPI3_I2S3EXT_IRQHandler,Default_Handler .weak UART4_IRQHandler .thumb_set UART4_IRQHandler,Default_Handler .weak UART5_IRQHandler .thumb_set UART5_IRQHandler,Default_Handler .weak TMR6_GLOBAL_IRQHandler .thumb_set TMR6_GLOBAL_IRQHandler,Default_Handler .weak TMR7_GLOBAL_IRQHandler .thumb_set TMR7_GLOBAL_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_5_IRQHandler .thumb_set DMA2_Channel4_5_IRQHandler,Default_Handler .weak SDIO2_IRQHandler .thumb_set SDIO2_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 SPI4_IRQHandler .thumb_set SPI4_IRQHandler,Default_Handler .weak CAN2_TX_IRQHandler .thumb_set CAN2_TX_IRQHandler,Default_Handler .weak CAN2_RX0_IRQHandler .thumb_set CAN2_RX0_IRQHandler ,Default_Handler .weak CAN2_RX1_IRQHandler .thumb_set CAN2_RX1_IRQHandler ,Default_Handler .weak CAN2_SCE_IRQHandler .thumb_set CAN2_SCE_IRQHandler,Default_Handler .weak ACC_IRQHandler .thumb_set ACC_IRQHandler,Default_Handler .weak USB_HP_IRQHandler .thumb_set USB_HP_IRQHandler,Default_Handler .weak USB_LP_IRQHandler .thumb_set USB_LP_IRQHandler,Default_Handler .weak DMA2_Channel6_7_IRQHandler .thumb_set DMA2_Channel6_7_IRQHandler,Default_Handler .weak USART6_IRQHandler .thumb_set USART6_IRQHandler,Default_Handler .weak UART7_IRQHandler .thumb_set UART7_IRQHandler,Default_Handler /************************ (C) COPYRIGHT Artery Tek *****END OF FILE****/