123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619 |
- /**
- ******************************************************************************
- * @file startup_stm32l562xx.s
- * @author MCD Application Team
- * @brief STM32L562xx devices vector table 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
- * - Branches to main in the C library (which eventually
- * calls main()).
- * After Reset the Cortex-M33 processor is in Thread mode,
- * priority is Privileged, and the Stack is set to Main.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2019 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
- .syntax unified
- .cpu cortex-m33
- .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
- .equ BootRAM, 0xF1E0F85F
- /**
- * @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.*/
- /* this is dumb */
- ldr r0, =__init_array_start
- ldr r1, =SystemInit
- str r1, [r0]
- bl SystemInit
- bl _start
- bx lr
- LoopForever:
- b LoopForever
- .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-M33. 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 SecureFault_Handler
- .word 0
- .word 0
- .word 0
- .word SVC_Handler
- .word DebugMon_Handler
- .word 0
- .word PendSV_Handler
- .word SysTick_Handler
- .word WWDG_IRQHandler
- .word PVD_PVM_IRQHandler
- .word RTC_IRQHandler
- .word RTC_S_IRQHandler
- .word TAMP_IRQHandler
- .word TAMP_S_IRQHandler
- .word FLASH_IRQHandler
- .word FLASH_S_IRQHandler
- .word GTZC_IRQHandler
- .word RCC_IRQHandler
- .word RCC_S_IRQHandler
- .word EXTI0_IRQHandler
- .word EXTI1_IRQHandler
- .word EXTI2_IRQHandler
- .word EXTI3_IRQHandler
- .word EXTI4_IRQHandler
- .word EXTI5_IRQHandler
- .word EXTI6_IRQHandler
- .word EXTI7_IRQHandler
- .word EXTI8_IRQHandler
- .word EXTI9_IRQHandler
- .word EXTI10_IRQHandler
- .word EXTI11_IRQHandler
- .word EXTI12_IRQHandler
- .word EXTI13_IRQHandler
- .word EXTI14_IRQHandler
- .word EXTI15_IRQHandler
- .word DMAMUX1_IRQHandler
- .word DMAMUX1_S_IRQHandler
- .word DMA1_Channel1_IRQHandler
- .word DMA1_Channel2_IRQHandler
- .word DMA1_Channel3_IRQHandler
- .word DMA1_Channel4_IRQHandler
- .word DMA1_Channel5_IRQHandler
- .word DMA1_Channel6_IRQHandler
- .word DMA1_Channel7_IRQHandler
- .word DMA1_Channel8_IRQHandler
- .word ADC1_2_IRQHandler
- .word DAC_IRQHandler
- .word FDCAN1_IT0_IRQHandler
- .word FDCAN1_IT1_IRQHandler
- .word TIM1_BRK_IRQHandler
- .word TIM1_UP_IRQHandler
- .word TIM1_TRG_COM_IRQHandler
- .word TIM1_CC_IRQHandler
- .word TIM2_IRQHandler
- .word TIM3_IRQHandler
- .word TIM4_IRQHandler
- .word TIM5_IRQHandler
- .word TIM6_IRQHandler
- .word TIM7_IRQHandler
- .word TIM8_BRK_IRQHandler
- .word TIM8_UP_IRQHandler
- .word TIM8_TRG_COM_IRQHandler
- .word TIM8_CC_IRQHandler
- .word I2C1_EV_IRQHandler
- .word I2C1_ER_IRQHandler
- .word I2C2_EV_IRQHandler
- .word I2C2_ER_IRQHandler
- .word SPI1_IRQHandler
- .word SPI2_IRQHandler
- .word USART1_IRQHandler
- .word USART2_IRQHandler
- .word USART3_IRQHandler
- .word UART4_IRQHandler
- .word UART5_IRQHandler
- .word LPUART1_IRQHandler
- .word LPTIM1_IRQHandler
- .word LPTIM2_IRQHandler
- .word TIM15_IRQHandler
- .word TIM16_IRQHandler
- .word TIM17_IRQHandler
- .word COMP_IRQHandler
- .word USB_FS_IRQHandler
- .word CRS_IRQHandler
- .word FMC_IRQHandler
- .word OCTOSPI1_IRQHandler
- .word 0
- .word SDMMC1_IRQHandler
- .word 0
- .word DMA2_Channel1_IRQHandler
- .word DMA2_Channel2_IRQHandler
- .word DMA2_Channel3_IRQHandler
- .word DMA2_Channel4_IRQHandler
- .word DMA2_Channel5_IRQHandler
- .word DMA2_Channel6_IRQHandler
- .word DMA2_Channel7_IRQHandler
- .word DMA2_Channel8_IRQHandler
- .word I2C3_EV_IRQHandler
- .word I2C3_ER_IRQHandler
- .word SAI1_IRQHandler
- .word SAI2_IRQHandler
- .word TSC_IRQHandler
- .word AES_IRQHandler
- .word RNG_IRQHandler
- .word FPU_IRQHandler
- .word HASH_IRQHandler
- .word PKA_IRQHandler
- .word LPTIM3_IRQHandler
- .word SPI3_IRQHandler
- .word I2C4_ER_IRQHandler
- .word I2C4_EV_IRQHandler
- .word DFSDM1_FLT0_IRQHandler
- .word DFSDM1_FLT1_IRQHandler
- .word DFSDM1_FLT2_IRQHandler
- .word DFSDM1_FLT3_IRQHandler
- .word UCPD1_IRQHandler
- .word ICACHE_IRQHandler
- .word OTFDEC1_IRQHandler
- /*******************************************************************************
- *
- * 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 SecureFault_Handler
- .thumb_set SecureFault_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_PVM_IRQHandler
- .thumb_set PVD_PVM_IRQHandler,Default_Handler
- .weak RTC_IRQHandler
- .thumb_set RTC_IRQHandler,Default_Handler
- .weak RTC_S_IRQHandler
- .thumb_set RTC_S_IRQHandler,Default_Handler
- .weak TAMP_IRQHandler
- .thumb_set TAMP_IRQHandler,Default_Handler
- .weak TAMP_S_IRQHandler
- .thumb_set TAMP_S_IRQHandler,Default_Handler
- .weak FLASH_IRQHandler
- .thumb_set FLASH_IRQHandler,Default_Handler
- .weak FLASH_S_IRQHandler
- .thumb_set FLASH_S_IRQHandler,Default_Handler
- .weak GTZC_IRQHandler
- .thumb_set GTZC_IRQHandler,Default_Handler
- .weak RCC_IRQHandler
- .thumb_set RCC_IRQHandler,Default_Handler
- .weak RCC_S_IRQHandler
- .thumb_set RCC_S_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 EXTI5_IRQHandler
- .thumb_set EXTI5_IRQHandler,Default_Handler
- .weak EXTI6_IRQHandler
- .thumb_set EXTI6_IRQHandler,Default_Handler
- .weak EXTI7_IRQHandler
- .thumb_set EXTI7_IRQHandler,Default_Handler
- .weak EXTI8_IRQHandler
- .thumb_set EXTI8_IRQHandler,Default_Handler
- .weak EXTI9_IRQHandler
- .thumb_set EXTI9_IRQHandler,Default_Handler
- .weak EXTI10_IRQHandler
- .thumb_set EXTI10_IRQHandler,Default_Handler
- .weak EXTI11_IRQHandler
- .thumb_set EXTI11_IRQHandler,Default_Handler
- .weak EXTI12_IRQHandler
- .thumb_set EXTI12_IRQHandler,Default_Handler
- .weak EXTI13_IRQHandler
- .thumb_set EXTI13_IRQHandler,Default_Handler
- .weak EXTI14_IRQHandler
- .thumb_set EXTI14_IRQHandler,Default_Handler
- .weak EXTI15_IRQHandler
- .thumb_set EXTI15_IRQHandler,Default_Handler
- .weak DMAMUX1_IRQHandler
- .thumb_set DMAMUX1_IRQHandler,Default_Handler
- .weak DMAMUX1_S_IRQHandler
- .thumb_set DMAMUX1_S_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 DMA1_Channel8_IRQHandler
- .thumb_set DMA1_Channel8_IRQHandler,Default_Handler
- .weak ADC1_2_IRQHandler
- .thumb_set ADC1_2_IRQHandler,Default_Handler
- .weak DAC_IRQHandler
- .thumb_set DAC_IRQHandler,Default_Handler
- .weak FDCAN1_IT0_IRQHandler
- .thumb_set FDCAN1_IT0_IRQHandler,Default_Handler
- .weak FDCAN1_IT1_IRQHandler
- .thumb_set FDCAN1_IT1_IRQHandler,Default_Handler
- .weak TIM1_BRK_IRQHandler
- .thumb_set TIM1_BRK_IRQHandler,Default_Handler
- .weak TIM1_UP_IRQHandler
- .thumb_set TIM1_UP_IRQHandler,Default_Handler
- .weak TIM1_TRG_COM_IRQHandler
- .thumb_set TIM1_TRG_COM_IRQHandler,Default_Handler
- .weak TIM1_CC_IRQHandler
- .thumb_set TIM1_CC_IRQHandler,Default_Handler
- .weak TIM2_IRQHandler
- .thumb_set TIM2_IRQHandler,Default_Handler
- .weak TIM3_IRQHandler
- .thumb_set TIM3_IRQHandler,Default_Handler
- .weak TIM4_IRQHandler
- .thumb_set TIM4_IRQHandler,Default_Handler
- .weak TIM5_IRQHandler
- .thumb_set TIM5_IRQHandler,Default_Handler
- .weak TIM6_IRQHandler
- .thumb_set TIM6_IRQHandler,Default_Handler
- .weak TIM7_IRQHandler
- .thumb_set TIM7_IRQHandler,Default_Handler
- .weak TIM8_BRK_IRQHandler
- .thumb_set TIM8_BRK_IRQHandler,Default_Handler
- .weak TIM8_UP_IRQHandler
- .thumb_set TIM8_UP_IRQHandler,Default_Handler
- .weak TIM8_TRG_COM_IRQHandler
- .thumb_set TIM8_TRG_COM_IRQHandler,Default_Handler
- .weak TIM8_CC_IRQHandler
- .thumb_set TIM8_CC_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 UART4_IRQHandler
- .thumb_set UART4_IRQHandler,Default_Handler
- .weak UART5_IRQHandler
- .thumb_set UART5_IRQHandler,Default_Handler
- .weak LPUART1_IRQHandler
- .thumb_set LPUART1_IRQHandler,Default_Handler
- .weak LPTIM1_IRQHandler
- .thumb_set LPTIM1_IRQHandler,Default_Handler
- .weak LPTIM2_IRQHandler
- .thumb_set LPTIM2_IRQHandler,Default_Handler
- .weak TIM15_IRQHandler
- .thumb_set TIM15_IRQHandler,Default_Handler
- .weak TIM16_IRQHandler
- .thumb_set TIM16_IRQHandler,Default_Handler
- .weak TIM17_IRQHandler
- .thumb_set TIM17_IRQHandler,Default_Handler
- .weak COMP_IRQHandler
- .thumb_set COMP_IRQHandler,Default_Handler
- .weak USB_FS_IRQHandler
- .thumb_set USB_FS_IRQHandler,Default_Handler
- .weak CRS_IRQHandler
- .thumb_set CRS_IRQHandler,Default_Handler
- .weak FMC_IRQHandler
- .thumb_set FMC_IRQHandler,Default_Handler
- .weak OCTOSPI1_IRQHandler
- .thumb_set OCTOSPI1_IRQHandler,Default_Handler
- .weak SDMMC1_IRQHandler
- .thumb_set SDMMC1_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_IRQHandler
- .thumb_set DMA2_Channel4_IRQHandler,Default_Handler
- .weak DMA2_Channel5_IRQHandler
- .thumb_set DMA2_Channel5_IRQHandler,Default_Handler
- .weak DMA2_Channel6_IRQHandler
- .thumb_set DMA2_Channel6_IRQHandler,Default_Handler
- .weak DMA2_Channel7_IRQHandler
- .thumb_set DMA2_Channel7_IRQHandler,Default_Handler
- .weak DMA2_Channel8_IRQHandler
- .thumb_set DMA2_Channel8_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 SAI1_IRQHandler
- .thumb_set SAI1_IRQHandler,Default_Handler
- .weak SAI2_IRQHandler
- .thumb_set SAI2_IRQHandler,Default_Handler
- .weak TSC_IRQHandler
- .thumb_set TSC_IRQHandler,Default_Handler
- .weak AES_IRQHandler
- .thumb_set AES_IRQHandler,Default_Handler
- .weak RNG_IRQHandler
- .thumb_set RNG_IRQHandler,Default_Handler
- .weak FPU_IRQHandler
- .thumb_set FPU_IRQHandler,Default_Handler
- .weak HASH_IRQHandler
- .thumb_set HASH_IRQHandler,Default_Handler
- .weak PKA_IRQHandler
- .thumb_set PKA_IRQHandler,Default_Handler
- .weak LPTIM3_IRQHandler
- .thumb_set LPTIM3_IRQHandler,Default_Handler
- .weak SPI3_IRQHandler
- .thumb_set SPI3_IRQHandler,Default_Handler
- .weak I2C4_ER_IRQHandler
- .thumb_set I2C4_ER_IRQHandler,Default_Handler
- .weak I2C4_EV_IRQHandler
- .thumb_set I2C4_EV_IRQHandler,Default_Handler
- .weak DFSDM1_FLT0_IRQHandler
- .thumb_set DFSDM1_FLT0_IRQHandler,Default_Handler
- .weak DFSDM1_FLT1_IRQHandler
- .thumb_set DFSDM1_FLT1_IRQHandler,Default_Handler
- .weak DFSDM1_FLT2_IRQHandler
- .thumb_set DFSDM1_FLT2_IRQHandler,Default_Handler
- .weak DFSDM1_FLT3_IRQHandler
- .thumb_set DFSDM1_FLT3_IRQHandler,Default_Handler
- .weak UCPD1_IRQHandler
- .thumb_set UCPD1_IRQHandler,Default_Handler
- .weak ICACHE_IRQHandler
- .thumb_set ICACHE_IRQHandler,Default_Handler
- .weak OTFDEC1_IRQHandler
- .thumb_set OTFDEC1_IRQHandler,Default_Handler
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|