;/*! ; * @file startup_apm32f41x.s ; * ; * @brief CMSIS Cortex-M4 based Core Device Startup File for Device startup_apm32f41x ; * ; * @version V1.0.2 ; * ; * @date 2022-06-23 ; * ; * @attention ; * ; * Copyright (C) 2021-2022 Geehy Semiconductor ; * ; * You may not use this file except in compliance with the ; * GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE). ; * ; * The program is only for reference, which is distributed in the hope ; * that it will be usefull and instructional for customers to develop ; * their software. Unless required by applicable law or agreed to in ; * writing, the program is distributed on an "AS IS" BASIS, WITHOUT ; * ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied. ; * See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions ; * and limitations under the License. ; */ .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: ldr sp, =_estack /* set stack pointer */ /* 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 static constructors */ /* bl __libc_init_array */ /* 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 M4. 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 WWDT_IRQHandler /* Window WatchDog */ .word PVD_IRQHandler /* PVD through EINT Line detection */ .word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EINT line */ .word RTC_WKUP_IRQHandler /* RTC Wakeup through the EINT line */ .word FLASH_IRQHandler /* FLASH */ .word RCM_IRQHandler /* RCC */ .word EINT0_IRQHandler /* EINT Line0 */ .word EINT1_IRQHandler /* EINT Line1 */ .word EINT2_IRQHandler /* EINT Line2 */ .word EINT3_IRQHandler /* EINT Line3 */ .word EINT4_IRQHandler /* EINT Line4 */ .word DMA1_STR0_IRQHandler /* DMA1 Stream 0 */ .word DMA1_STR1_IRQHandler /* DMA1 Stream 1 */ .word DMA1_STR2_IRQHandler /* DMA1 Stream 2 */ .word DMA1_STR3_IRQHandler /* DMA1 Stream 3 */ .word DMA1_STR4_IRQHandler /* DMA1 Stream 4 */ .word DMA1_STR5_IRQHandler /* DMA1 Stream 5 */ .word DMA1_STR6_IRQHandler /* DMA1 Stream 6 */ .word ADC_IRQHandler /* ADC1, ADC2 and ADC3s */ .word CAN1_TX_IRQHandler /* CAN1 TX */ .word CAN1_RX0_IRQHandler /* CAN1 RX0 */ .word CAN1_RX1_IRQHandler /* CAN1 RX1 */ .word CAN1_SCE_IRQHandler /* CAN1 SCE */ .word EINT9_5_IRQHandler /* External Line[9:5]s */ .word TMR1_BRK_TMR9_IRQHandler /* TMR1 Break and TMR9 */ .word TMR1_UP_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_IRQHandler /* TMR2 */ .word TMR3_IRQHandler /* TMR3 */ .word TMR4_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_IRQHandler /* SPI2 */ .word USART1_IRQHandler /* USART1 */ .word USART2_IRQHandler /* USART2 */ .word USART3_IRQHandler /* USART3 */ .word EINT15_10_IRQHandler /* External Line[15:10]s */ .word RTC_Alarm_IRQHandler /* RTC Alarm (A and B) through EINT Line */ .word OTG_FS_WKUP_IRQHandler /* USB OTG FS Wakeup through EINT line */ .word TMR8_BRK_TMR12_IRQHandler /* TMR8 Break and TMR12 */ .word TMR8_UP_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 DMA1_STR7_IRQHandler /* DMA1 Stream7 */ .word EMMC_IRQHandler /* EMMC */ .word SDIO_IRQHandler /* SDIO */ .word TMR5_IRQHandler /* TMR5 */ .word SPI3_IRQHandler /* SPI3 */ .word UART4_IRQHandler /* UART4 */ .word UART5_IRQHandler /* UART5 */ .word TMR6_DAC_IRQHandler /* TMR6 and DAC1&2 underrun errors */ .word TMR7_IRQHandler /* TMR7 */ .word DMA2_STR0_IRQHandler /* DMA2 Stream 0 */ .word DMA2_STR1_IRQHandler /* DMA2 Stream 1 */ .word DMA2_STR2_IRQHandler /* DMA2 Stream 2 */ .word DMA2_STR3_IRQHandler /* DMA2 Stream 3 */ .word DMA2_STR4_IRQHandler /* DMA2 Stream 4 */ .word ETH_IRQHandler /* Ethernet */ .word ETH_WKUP_IRQHandler /* Ethernet Wakeup through EINT line */ .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 OTG_FS_IRQHandler /* USB OTG FS */ .word DMA2_STR5_IRQHandler /* DMA2 Stream 5 */ .word DMA2_STR6_IRQHandler /* DMA2 Stream 6 */ .word DMA2_STR7_IRQHandler /* DMA2 Stream 7 */ .word USART6_IRQHandler /* USART6 */ .word I2C3_EV_IRQHandler /* I2C3 event */ .word I2C3_ER_IRQHandler /* I2C3 error */ .word OTG_HS1_EP1_OUT_IRQHandler /* USB OTG HS1 End Point 1 Out */ .word OTG_HS1_EP1_IN_IRQHandler /* USB OTG HS1 End Point 1 In */ .word OTG_HS1_WKUP_IRQHandler /* USB OTG HS1 Wakeup through EINT */ .word OTG_HS1_IRQHandler /* USB OTG HS1 */ .word DCI_IRQHandler /* DCI */ .word CRYP_IRQHandler /* CRYP crypto */ .word HASH_RNG_IRQHandler /* Hash and Rng */ .word FPU_IRQHandler /* FPU */ .word SM3_IRQHandler /* SM3 */ .word SM4_IRQHandler /* SM4 */ .word BN_IRQHandler /* BN */ /******************************************************************************* * * 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 WWDT_IRQHandler .thumb_set WWDT_IRQHandler,Default_Handler .weak PVD_IRQHandler .thumb_set PVD_IRQHandler,Default_Handler .weak TAMP_STAMP_IRQHandler .thumb_set TAMP_STAMP_IRQHandler,Default_Handler .weak RTC_WKUP_IRQHandler .thumb_set RTC_WKUP_IRQHandler,Default_Handler .weak FLASH_IRQHandler .thumb_set FLASH_IRQHandler,Default_Handler .weak RCM_IRQHandler .thumb_set RCM_IRQHandler,Default_Handler .weak EINT0_IRQHandler .thumb_set EINT0_IRQHandler,Default_Handler .weak EINT1_IRQHandler .thumb_set EINT1_IRQHandler,Default_Handler .weak EINT2_IRQHandler .thumb_set EINT2_IRQHandler,Default_Handler .weak EINT3_IRQHandler .thumb_set EINT3_IRQHandler,Default_Handler .weak EINT4_IRQHandler .thumb_set EINT4_IRQHandler,Default_Handler .weak DMA1_STR0_IRQHandler .thumb_set DMA1_STR0_IRQHandler,Default_Handler .weak DMA1_STR1_IRQHandler .thumb_set DMA1_STR1_IRQHandler,Default_Handler .weak DMA1_STR2_IRQHandler .thumb_set DMA1_STR2_IRQHandler,Default_Handler .weak DMA1_STR3_IRQHandler .thumb_set DMA1_STR3_IRQHandler,Default_Handler .weak DMA1_STR4_IRQHandler .thumb_set DMA1_STR4_IRQHandler,Default_Handler .weak DMA1_STR5_IRQHandler .thumb_set DMA1_STR5_IRQHandler,Default_Handler .weak DMA1_STR6_IRQHandler .thumb_set DMA1_STR6_IRQHandler,Default_Handler .weak ADC_IRQHandler .thumb_set ADC_IRQHandler,Default_Handler .weak CAN1_TX_IRQHandler .thumb_set CAN1_TX_IRQHandler,Default_Handler .weak CAN1_RX0_IRQHandler .thumb_set 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 EINT9_5_IRQHandler .thumb_set EINT9_5_IRQHandler,Default_Handler .weak TMR1_BRK_TMR9_IRQHandler .thumb_set TMR1_BRK_TMR9_IRQHandler,Default_Handler .weak TMR1_UP_TMR10_IRQHandler .thumb_set TMR1_UP_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_IRQHandler .thumb_set TMR2_IRQHandler,Default_Handler .weak TMR3_IRQHandler .thumb_set TMR3_IRQHandler,Default_Handler .weak TMR4_IRQHandler .thumb_set TMR4_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_IRQHandler .thumb_set SPI2_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 EINT15_10_IRQHandler .thumb_set EINT15_10_IRQHandler,Default_Handler .weak RTC_Alarm_IRQHandler .thumb_set RTC_Alarm_IRQHandler,Default_Handler .weak OTG_FS_WKUP_IRQHandler .thumb_set OTG_FS_WKUP_IRQHandler,Default_Handler .weak TMR8_BRK_TMR12_IRQHandler .thumb_set TMR8_BRK_TMR12_IRQHandler,Default_Handler .weak TMR8_UP_TMR13_IRQHandler .thumb_set TMR8_UP_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 DMA1_STR7_IRQHandler .thumb_set DMA1_STR7_IRQHandler,Default_Handler .weak EMMC_IRQHandler .thumb_set EMMC_IRQHandler,Default_Handler .weak SDIO_IRQHandler .thumb_set SDIO_IRQHandler,Default_Handler .weak TMR5_IRQHandler .thumb_set TMR5_IRQHandler,Default_Handler .weak SPI3_IRQHandler .thumb_set SPI3_IRQHandler,Default_Handler .weak UART4_IRQHandler .thumb_set UART4_IRQHandler,Default_Handler .weak UART5_IRQHandler .thumb_set UART5_IRQHandler,Default_Handler .weak TMR6_DAC_IRQHandler .thumb_set TMR6_DAC_IRQHandler,Default_Handler .weak TMR7_IRQHandler .thumb_set TMR7_IRQHandler,Default_Handler .weak DMA2_STR0_IRQHandler .thumb_set DMA2_STR0_IRQHandler,Default_Handler .weak DMA2_STR1_IRQHandler .thumb_set DMA2_STR1_IRQHandler,Default_Handler .weak DMA2_STR2_IRQHandler .thumb_set DMA2_STR2_IRQHandler,Default_Handler .weak DMA2_STR3_IRQHandler .thumb_set DMA2_STR3_IRQHandler,Default_Handler .weak DMA2_STR4_IRQHandler .thumb_set DMA2_STR4_IRQHandler,Default_Handler .weak ETH_IRQHandler .thumb_set ETH_IRQHandler,Default_Handler .weak ETH_WKUP_IRQHandler .thumb_set ETH_WKUP_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 OTG_FS_IRQHandler .thumb_set OTG_FS_IRQHandler,Default_Handler .weak DMA2_STR5_IRQHandler .thumb_set DMA2_STR5_IRQHandler,Default_Handler .weak DMA2_STR6_IRQHandler .thumb_set DMA2_STR6_IRQHandler,Default_Handler .weak DMA2_STR7_IRQHandler .thumb_set DMA2_STR7_IRQHandler,Default_Handler .weak USART6_IRQHandler .thumb_set USART6_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 OTG_HS1_EP1_OUT_IRQHandler .thumb_set OTG_HS1_EP1_OUT_IRQHandler,Default_Handler .weak OTG_HS1_EP1_IN_IRQHandler .thumb_set OTG_HS1_EP1_IN_IRQHandler,Default_Handler .weak OTG_HS1_WKUP_IRQHandler .thumb_set OTG_HS1_WKUP_IRQHandler,Default_Handler .weak OTG_HS1_IRQHandler .thumb_set OTG_HS1_IRQHandler,Default_Handler .weak DCI_IRQHandler .thumb_set DCI_IRQHandler,Default_Handler .weak CRYP_IRQHandler .thumb_set CRYP_IRQHandler,Default_Handler .weak HASH_RNG_IRQHandler .thumb_set HASH_RNG_IRQHandler,Default_Handler .weak FPU_IRQHandler .thumb_set FPU_IRQHandler,Default_Handler .weak SM3_IRQHandler .thumb_set SM3_IRQHandler,Default_Handler .weak SM4_IRQHandler .thumb_set SM4_IRQHandler,Default_Handler .weak BN_IRQHandler .thumb_set BN_IRQHandler,Default_Handler