;/********************************** (C) COPYRIGHT ******************************* ;* File Name : startup_ch32v10x.s ;* Author : WCH ;* Version : V1.0.1 ;* Date : 2024/01/11 ;* Description : CH32V10x vector table for eclipse toolchain. ;********************************************************************************* ;* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. ;* Attention: This software (modified or not) and binary are used for ;* microcontroller manufactured by Nanjing Qinheng Microelectronics. ;*******************************************************************************/ .section .init,"ax",@progbits .global _start .align 1 _start: j handle_reset .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00000013 .word 0x00100073 .section .vector,"ax",@progbits .align 1 _vector_base: .option norvc; j _start .word 0 j NMI_Handler /* NMI Handler */ j HardFault_Handler /* Hard Fault Handler */ .word 0 .word 0 .word 0 .word 0 .word 0 .word 0 .word 0 .word 0 j SysTick_Handler /* SysTick Handler */ .word 0 j SW_Handler /* SW Handler */ .word 0 /* External Interrupts */ j WWDG_IRQHandler /* Window Watchdog */ j PVD_IRQHandler /* PVD through EXTI Line detect */ j TAMPER_IRQHandler /* TAMPER */ j RTC_IRQHandler /* RTC */ j FLASH_IRQHandler /* Flash */ j RCC_IRQHandler /* RCC */ j EXTI0_IRQHandler /* EXTI Line 0 */ j EXTI1_IRQHandler /* EXTI Line 1 */ j EXTI2_IRQHandler /* EXTI Line 2 */ j EXTI3_IRQHandler /* EXTI Line 3 */ j EXTI4_IRQHandler /* EXTI Line 4 */ j DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */ j DMA1_Channel2_IRQHandler /* DMA1 Channel 2 */ j DMA1_Channel3_IRQHandler /* DMA1 Channel 3 */ j DMA1_Channel4_IRQHandler /* DMA1 Channel 4 */ j DMA1_Channel5_IRQHandler /* DMA1 Channel 5 */ j DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */ j DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */ j ADC1_2_IRQHandler /* ADC1_2 */ .word 0 .word 0 .word 0 .word 0 j EXTI9_5_IRQHandler /* EXTI Line 9..5 */ j TIM1_BRK_IRQHandler /* TIM1 Break */ j TIM1_UP_IRQHandler /* TIM1 Update */ j TIM1_TRG_COM_IRQHandler /* TIM1 Trigger and Commutation */ j TIM1_CC_IRQHandler /* TIM1 Capture Compare */ j TIM2_IRQHandler /* TIM2 */ j TIM3_IRQHandler /* TIM3 */ j TIM4_IRQHandler /* TIM4 */ j I2C1_EV_IRQHandler /* I2C1 Event */ j I2C1_ER_IRQHandler /* I2C1 Error */ j I2C2_EV_IRQHandler /* I2C2 Event */ j I2C2_ER_IRQHandler /* I2C2 Error */ j SPI1_IRQHandler /* SPI1 */ j SPI2_IRQHandler /* SPI2 */ j USART1_IRQHandler /* USART1 */ j USART2_IRQHandler /* USART2 */ j USART3_IRQHandler /* USART3 */ j EXTI15_10_IRQHandler /* EXTI Line 15..10 */ j RTCAlarm_IRQHandler /* RTC Alarm through EXTI Line */ j USBWakeUp_IRQHandler /* USB Wakeup from suspend */ j USBFS_IRQHandler /* USBFS */ .option rvc; .section .text.vector_handler, "ax", @progbits .weak NMI_Handler .weak HardFault_Handler .weak SysTick_Handler .weak SW_Handler .weak WWDG_IRQHandler .weak PVD_IRQHandler .weak TAMPER_IRQHandler .weak RTC_IRQHandler .weak FLASH_IRQHandler .weak RCC_IRQHandler .weak EXTI0_IRQHandler .weak EXTI1_IRQHandler .weak EXTI2_IRQHandler .weak EXTI3_IRQHandler .weak EXTI4_IRQHandler .weak DMA1_Channel1_IRQHandler .weak DMA1_Channel2_IRQHandler .weak DMA1_Channel3_IRQHandler .weak DMA1_Channel4_IRQHandler .weak DMA1_Channel5_IRQHandler .weak DMA1_Channel6_IRQHandler .weak DMA1_Channel7_IRQHandler .weak ADC1_2_IRQHandler .weak EXTI9_5_IRQHandler .weak TIM1_BRK_IRQHandler .weak TIM1_UP_IRQHandler .weak TIM1_TRG_COM_IRQHandler .weak TIM1_CC_IRQHandler .weak TIM2_IRQHandler .weak TIM3_IRQHandler .weak TIM4_IRQHandler .weak I2C1_EV_IRQHandler .weak I2C1_ER_IRQHandler .weak I2C2_EV_IRQHandler .weak I2C2_ER_IRQHandler .weak SPI1_IRQHandler .weak SPI2_IRQHandler .weak USART1_IRQHandler .weak USART2_IRQHandler .weak USART3_IRQHandler .weak EXTI15_10_IRQHandler .weak RTCAlarm_IRQHandler .weak USBWakeUp_IRQHandler .weak USBFS_IRQHandler NMI_Handler: HardFault_Handler: SysTick_Handler: SW_Handler: WWDG_IRQHandler: PVD_IRQHandler: TAMPER_IRQHandler: RTC_IRQHandler: FLASH_IRQHandler: RCC_IRQHandler: EXTI0_IRQHandler: EXTI1_IRQHandler: EXTI2_IRQHandler: EXTI3_IRQHandler: EXTI4_IRQHandler: DMA1_Channel1_IRQHandler: DMA1_Channel2_IRQHandler: DMA1_Channel3_IRQHandler: DMA1_Channel4_IRQHandler: DMA1_Channel5_IRQHandler: DMA1_Channel6_IRQHandler: DMA1_Channel7_IRQHandler: ADC1_2_IRQHandler: EXTI9_5_IRQHandler: TIM1_BRK_IRQHandler: TIM1_UP_IRQHandler: TIM1_TRG_COM_IRQHandler: TIM1_CC_IRQHandler: TIM2_IRQHandler: TIM3_IRQHandler: TIM4_IRQHandler: I2C1_EV_IRQHandler: I2C1_ER_IRQHandler: I2C2_EV_IRQHandler: I2C2_ER_IRQHandler: SPI1_IRQHandler: SPI2_IRQHandler: USART1_IRQHandler: USART2_IRQHandler: USART3_IRQHandler: EXTI15_10_IRQHandler: RTCAlarm_IRQHandler: USBWakeUp_IRQHandler: USBFS_IRQHandler: 1: j 1b .section .text.handle_reset,"ax",@progbits .weak handle_reset .align 1 handle_reset: .option push .option norelax la gp, __global_pointer$ .option pop 1: la sp, _eusrstack 2: /* Load data section from flash to RAM */ la a0, _data_lma la a1, _data_vma la a2, _edata bgeu a1, a2, 2f 1: lw t0, (a0) sw t0, (a1) addi a0, a0, 4 addi a1, a1, 4 bltu a1, a2, 1b 2: /* Clear bss section */ la a0, _sbss la a1, _ebss bgeu a0, a1, 2f 1: sw zero, (a0) addi a0, a0, 4 bltu a0, a1, 1b 2: /* Enable global interrupt and configure privileged mode */ li t0, 0x88 csrw mstatus, t0 /* Configure entry address mode */ la t0, _vector_base ori t0, t0, 1 csrw mtvec, t0 jal SystemInit la t0, main csrw mepc, t0 mret