AT32F435_437_Firmware_Library/libraries/cmsis/cm4/device_support/startup/gcc/startup_at32f435_437.s

572 lines
24 KiB
ArmAsm

/**
******************************************************************************
* @file startup_at32f435_437.s
* @version v2.0.9
* @date 2022-06-28
* @brief at32f435_437 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 static constructors */
bl __libc_init_array
/* Call the application's entry point.*/
bl main
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 WWDT_IRQHandler /* Window Watchdog Timer */
.word PVM_IRQHandler /* PVM through EXINT Line detect */
.word TAMP_STAMP_IRQHandler /* Tamper and TimeStamps through the EXINT line */
.word ERTC_WKUP_IRQHandler /* ERTC Wakeup through the EXINT line */
.word FLASH_IRQHandler /* Flash */
.word CRM_IRQHandler /* CRM */
.word EXINT0_IRQHandler /* EXINT Line 0 */
.word EXINT1_IRQHandler /* EXINT Line 1 */
.word EXINT2_IRQHandler /* EXINT Line 2 */
.word EXINT3_IRQHandler /* EXINT Line 3 */
.word EXINT4_IRQHandler /* EXINT Line 4 */
.word EDMA_Stream1_IRQHandler /* EDMA Stream 1 */
.word EDMA_Stream2_IRQHandler /* EDMA Stream 2 */
.word EDMA_Stream3_IRQHandler /* EDMA Stream 3 */
.word EDMA_Stream4_IRQHandler /* EDMA Stream 4 */
.word EDMA_Stream5_IRQHandler /* EDMA Stream 5 */
.word EDMA_Stream6_IRQHandler /* EDMA Stream 6 */
.word EDMA_Stream7_IRQHandler /* EDMA Stream 7 */
.word ADC1_2_3_IRQHandler /* ADC1 & ADC2 & ADC3 */
.word CAN1_TX_IRQHandler /* CAN1 TX */
.word CAN1_RX0_IRQHandler /* CAN1 RX0 */
.word CAN1_RX1_IRQHandler /* CAN1 RX1 */
.word CAN1_SE_IRQHandler /* CAN1 SE */
.word EXINT9_5_IRQHandler /* EXINT Line [9:5] */
.word TMR1_BRK_TMR9_IRQHandler /* TMR1 Brake and TMR9 */
.word TMR1_OVF_TMR10_IRQHandler /* TMR1 Overflow and TMR10 */
.word TMR1_TRG_HALL_TMR11_IRQHandler /* TMR1 Trigger and hall and TMR11 */
.word TMR1_CH_IRQHandler /* TMR1 Channel */
.word TMR2_GLOBAL_IRQHandler /* TMR2 */
.word TMR3_GLOBAL_IRQHandler /* TMR3 */
.word TMR4_GLOBAL_IRQHandler /* TMR4 */
.word I2C1_EVT_IRQHandler /* I2C1 Event */
.word I2C1_ERR_IRQHandler /* I2C1 Error */
.word I2C2_EVT_IRQHandler /* I2C2 Event */
.word I2C2_ERR_IRQHandler /* I2C2 Error */
.word SPI1_IRQHandler /* SPI1 */
.word SPI2_I2S2EXT_IRQHandler /* SPI2 */
.word USART1_IRQHandler /* USART1 */
.word USART2_IRQHandler /* USART2 */
.word USART3_IRQHandler /* USART3 */
.word EXINT15_10_IRQHandler /* EXINT Line [15:10] */
.word ERTCAlarm_IRQHandler /* RTC Alarm through EXINT Line */
.word OTGFS1_WKUP_IRQHandler /* OTGFS1 Wakeup from suspend */
.word TMR8_BRK_TMR12_IRQHandler /* TMR8 Brake and TMR12 */
.word TMR8_OVF_TMR13_IRQHandler /* TMR8 Overflow and TMR13 */
.word TMR8_TRG_HALL_TMR14_IRQHandler /* TMR8 Trigger and hall and TMR14 */
.word TMR8_CH_IRQHandler /* TMR8 Channel */
.word EDMA_Stream8_IRQHandler /* EDMA Stream 8 */
.word XMC_IRQHandler /* XMC */
.word SDIO1_IRQHandler /* SDIO1 */
.word TMR5_GLOBAL_IRQHandler /* TMR5 */
.word SPI3_I2S3EXT_IRQHandler /* SPI3 */
.word UART4_IRQHandler /* UART4 */
.word UART5_IRQHandler /* UART5 */
.word TMR6_DAC_GLOBAL_IRQHandler /* TMR6 & DAC */
.word TMR7_GLOBAL_IRQHandler /* TMR7 */
.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 EMAC_IRQHandler /* EMAC */
.word EMAC_WKUP_IRQHandler /* EMAC Wakeup */
.word CAN2_TX_IRQHandler /* CAN2 TX */
.word CAN2_RX0_IRQHandler /* CAN2 RX0 */
.word CAN2_RX1_IRQHandler /* CAN2 RX1 */
.word CAN2_SE_IRQHandler /* CAN2 SE */
.word OTGFS1_IRQHandler /* OTGFS1 */
.word DMA1_Channel6_IRQHandler /* DMA1 Channel 6 */
.word DMA1_Channel7_IRQHandler /* DMA1 Channel 7 */
.word 0 /* Reserved */
.word USART6_IRQHandler /* USART6 */
.word I2C3_EVT_IRQHandler /* I2C3 Event */
.word I2C3_ERR_IRQHandler /* I2C3 Error */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word OTGFS2_WKUP_IRQHandler /* OTGFS2 Wakeup from suspend */
.word OTGFS2_IRQHandler /* OTGFS2 */
.word DVP_IRQHandler /* DVP */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word FPU_IRQHandler /* FPU */
.word UART7_IRQHandler /* UART7 */
.word UART8_IRQHandler /* UART8 */
.word SPI4_IRQHandler /* SPI4 */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word QSPI2_IRQHandler /* QSPI2 */
.word QSPI1_IRQHandler /* QSPI1 */
.word 0 /* Reserved */
.word DMAMUX_IRQHandler /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SDIO2_IRQHandler /* SDIO2 */
.word ACC_IRQHandler /* ACC */
.word TMR20_BRK_IRQHandler /* TMR20 Brake */
.word TMR20_OVF_IRQHandler /* TMR20 Overflow */
.word TMR20_TRG_HALL_IRQHandler /* TMR20 Trigger and hall */
.word TMR20_CH_IRQHandler /* TMR20 Channel */
.word DMA2_Channel1_IRQHandler /* DMA2 Channel 1 */
.word DMA2_Channel2_IRQHandler /* DMA2 Channel 2 */
.word DMA2_Channel3_IRQHandler /* DMA2 Channel 3 */
.word DMA2_Channel4_IRQHandler /* DMA2 Channel 4 */
.word DMA2_Channel5_IRQHandler /* DMA2 Channel 5 */
.word DMA2_Channel6_IRQHandler /* DMA2 Channel 6 */
.word DMA2_Channel7_IRQHandler /* DMA2 Channel 7 */
/*******************************************************************************
*
* 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 PVM_IRQHandler
.thumb_set PVM_IRQHandler,Default_Handler
.weak TAMP_STAMP_IRQHandler
.thumb_set TAMP_STAMP_IRQHandler,Default_Handler
.weak ERTC_WKUP_IRQHandler
.thumb_set ERTC_WKUP_IRQHandler,Default_Handler
.weak FLASH_IRQHandler
.thumb_set FLASH_IRQHandler,Default_Handler
.weak CRM_IRQHandler
.thumb_set CRM_IRQHandler,Default_Handler
.weak EXINT0_IRQHandler
.thumb_set EXINT0_IRQHandler,Default_Handler
.weak EXINT1_IRQHandler
.thumb_set EXINT1_IRQHandler,Default_Handler
.weak EXINT2_IRQHandler
.thumb_set EXINT2_IRQHandler,Default_Handler
.weak EXINT3_IRQHandler
.thumb_set EXINT3_IRQHandler,Default_Handler
.weak EXINT4_IRQHandler
.thumb_set EXINT4_IRQHandler,Default_Handler
.weak EDMA_Stream1_IRQHandler
.thumb_set EDMA_Stream1_IRQHandler,Default_Handler
.weak EDMA_Stream2_IRQHandler
.thumb_set EDMA_Stream2_IRQHandler,Default_Handler
.weak EDMA_Stream3_IRQHandler
.thumb_set EDMA_Stream3_IRQHandler,Default_Handler
.weak EDMA_Stream4_IRQHandler
.thumb_set EDMA_Stream4_IRQHandler,Default_Handler
.weak EDMA_Stream5_IRQHandler
.thumb_set EDMA_Stream5_IRQHandler,Default_Handler
.weak EDMA_Stream6_IRQHandler
.thumb_set EDMA_Stream6_IRQHandler,Default_Handler
.weak EDMA_Stream7_IRQHandler
.thumb_set EDMA_Stream7_IRQHandler,Default_Handler
.weak ADC1_2_3_IRQHandler
.thumb_set ADC1_2_3_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_SE_IRQHandler
.thumb_set CAN1_SE_IRQHandler,Default_Handler
.weak EXINT9_5_IRQHandler
.thumb_set EXINT9_5_IRQHandler,Default_Handler
.weak TMR1_BRK_TMR9_IRQHandler
.thumb_set TMR1_BRK_TMR9_IRQHandler,Default_Handler
.weak TMR1_OVF_TMR10_IRQHandler
.thumb_set TMR1_OVF_TMR10_IRQHandler,Default_Handler
.weak TMR1_TRG_HALL_TMR11_IRQHandler
.thumb_set TMR1_TRG_HALL_TMR11_IRQHandler,Default_Handler
.weak TMR1_CH_IRQHandler
.thumb_set TMR1_CH_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_EVT_IRQHandler
.thumb_set I2C1_EVT_IRQHandler,Default_Handler
.weak I2C1_ERR_IRQHandler
.thumb_set I2C1_ERR_IRQHandler,Default_Handler
.weak I2C2_EVT_IRQHandler
.thumb_set I2C2_EVT_IRQHandler,Default_Handler
.weak I2C2_ERR_IRQHandler
.thumb_set I2C2_ERR_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 EXINT15_10_IRQHandler
.thumb_set EXINT15_10_IRQHandler,Default_Handler
.weak ERTCAlarm_IRQHandler
.thumb_set ERTCAlarm_IRQHandler,Default_Handler
.weak OTGFS1_WKUP_IRQHandler
.thumb_set OTGFS1_WKUP_IRQHandler,Default_Handler
.weak TMR8_BRK_TMR12_IRQHandler
.thumb_set TMR8_BRK_TMR12_IRQHandler,Default_Handler
.weak TMR8_OVF_TMR13_IRQHandler
.thumb_set TMR8_OVF_TMR13_IRQHandler,Default_Handler
.weak TMR8_TRG_HALL_TMR14_IRQHandler
.thumb_set TMR8_TRG_HALL_TMR14_IRQHandler,Default_Handler
.weak TMR8_CH_IRQHandler
.thumb_set TMR8_CH_IRQHandler,Default_Handler
.weak EDMA_Stream8_IRQHandler
.thumb_set EDMA_Stream8_IRQHandler,Default_Handler
.weak XMC_IRQHandler
.thumb_set XMC_IRQHandler,Default_Handler
.weak SDIO1_IRQHandler
.thumb_set SDIO1_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_DAC_GLOBAL_IRQHandler
.thumb_set TMR6_DAC_GLOBAL_IRQHandler,Default_Handler
.weak TMR7_GLOBAL_IRQHandler
.thumb_set TMR7_GLOBAL_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 EMAC_IRQHandler
.thumb_set EMAC_IRQHandler,Default_Handler
.weak EMAC_WKUP_IRQHandler
.thumb_set EMAC_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_SE_IRQHandler
.thumb_set CAN2_SE_IRQHandler,Default_Handler
.weak OTGFS1_IRQHandler
.thumb_set OTGFS1_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 USART6_IRQHandler
.thumb_set USART6_IRQHandler,Default_Handler
.weak I2C3_EVT_IRQHandler
.thumb_set I2C3_EVT_IRQHandler,Default_Handler
.weak I2C3_ERR_IRQHandler
.thumb_set I2C3_ERR_IRQHandler,Default_Handler
.weak OTGFS2_WKUP_IRQHandler
.thumb_set OTGFS2_WKUP_IRQHandler,Default_Handler
.weak OTGFS2_IRQHandler
.thumb_set OTGFS2_IRQHandler,Default_Handler
.weak DVP_IRQHandler
.thumb_set DVP_IRQHandler,Default_Handler
.weak FPU_IRQHandler
.thumb_set FPU_IRQHandler,Default_Handler
.weak UART7_IRQHandler
.thumb_set UART7_IRQHandler,Default_Handler
.weak UART8_IRQHandler
.thumb_set UART8_IRQHandler,Default_Handler
.weak SPI4_IRQHandler
.thumb_set SPI4_IRQHandler,Default_Handler
.weak QSPI2_IRQHandler
.thumb_set QSPI2_IRQHandler,Default_Handler
.weak QSPI1_IRQHandler
.thumb_set QSPI1_IRQHandler,Default_Handler
.weak DMAMUX_IRQHandler
.thumb_set DMAMUX_IRQHandler ,Default_Handler
.weak SDIO2_IRQHandler
.thumb_set SDIO2_IRQHandler ,Default_Handler
.weak ACC_IRQHandler
.thumb_set ACC_IRQHandler,Default_Handler
.weak TMR20_BRK_IRQHandler
.thumb_set TMR20_BRK_IRQHandler,Default_Handler
.weak TMR20_OVF_IRQHandler
.thumb_set TMR20_OVF_IRQHandler,Default_Handler
.weak TMR20_TRG_HALL_IRQHandler
.thumb_set TMR20_TRG_HALL_IRQHandler,Default_Handler
.weak TMR20_CH_IRQHandler
.thumb_set TMR20_CH_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