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yelvlab
2024-09-21 01:28:42 +08:00
parent ba3209550e
commit 46f5f8a452
7 changed files with 468 additions and 423 deletions
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startup/startup_gd32e23x.S
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@@ -1,232 +1,164 @@
.syntax unified
.cpu cortex-m23
.fpu softvfp
.thumb
/******************************************************************************
* @file startup_gd32e230k8t6.s
* @brief CMSIS-Core Device Startup File for Cortex-M23 Device GD32E230K8T6
* @version V2.2.0
* @date 26. May 2021
******************************************************************************/
.global g_pfnVectors
.global Default_Handler
.syntax unified
.arch armv8-m.base
.fpu softvfp
.thumb
/* necessary symbols defined in linker script to initialize data */
.word _sidata
.word _sdata
.word _edata
.word _sbss
.word _ebss
.global g_pfnVectors
.global Default_Handler
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
/* reset Handler */
.word _sidata
.word _sdata
.word _edata
.word _sbss
.word _ebss
/* Reset_Handler */
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
ldr r0, =_estack
mov sp, r0
/* copy the data segment into ram */
movs r1, #0
b LoopCopyDataInit
ldr r0, =_estack
msr psp, r0
ldr r0, =_sdata
ldr r1, =_edata
ldr r2, =_sidata
movs r3, #0
b LoopCopyDataInit
CopyDataInit:
ldr r3, =_sidata
ldr r3, [r3, r1]
str r3, [r0, r1]
adds r1, r1, #4
ldr r4, [r2, r3]
str r4, [r0, r3]
adds r3, r3, #4
LoopCopyDataInit:
ldr r0, =_sdata
ldr r3, =_edata
adds r2, r0, r1
cmp r2, r3
bcc CopyDataInit
ldr r2, =_sbss
b LoopFillZerobss
adds r4, r0, r3
cmp r4, r1
bcc CopyDataInit
ldr r2, =_sbss
ldr r4, =_ebss
movs r3, #0
b LoopFillZerobss
FillZerobss:
movs r3, #0
str r3, [r2]
adds r2, r2, #4
str r3, [r2]
adds r2, r2, #4
LoopFillZerobss:
ldr r3, = _ebss
cmp r2, r3
bcc FillZerobss
cmp r2, r4
bcc FillZerobss
/* Call SystemInit function */
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/*Call the main function */
bl main
LoopForever:
b LoopForever
.size Reset_Handler, .-Reset_Handler
.section .text.Default_Handler,"ax",%progbits
bl SystemInit
bl main
bx lr
.size Reset_Handler, .-Reset_Handler
/* Default_Handler */
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
b Infinite_Loop
.size Default_Handler, .-Default_Handler
b Infinite_Loop
.size Default_Handler, .-Default_Handler
/* Vector Table */
.section .isr_vector,"a",%progbits
.type g_pfnVectors,%object
.size g_pfnVectors, .-g_pfnVectors
g_pfnVectors:
.word _estack
.word Reset_Handler
.section .vectors,"a",%progbits
.global __gVectors
.word NMI_Handler /* -14 NMI Handler */
.word HardFault_Handler /* -13 Hard Fault Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SVC_Handler /* -5 SVCall Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word PendSV_Handler /* -2 PendSV Handler */
.word SysTick_Handler /* -1 SysTick Handler */
__gVectors:
.word _sp /* Top of Stack */
.word Reset_Handler /* 1:Reset Handler */
.word NMI_Handler /* 2:NMI Handler */
.word HardFault_Handler /* 3:Hard Fault Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SVC_Handler /* 11:SVCall Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word PendSV_Handler /* 14:PendSV Handler */
.word SysTick_Handler /* 15:SysTick Handler */
.word WWDGT_IRQHandler
.word LVD_IRQHandler
.word RTC_IRQHandler
.word FMC_IRQHandler
.word RCU_IRQHandler
.word EXTI0_1_IRQHandler
.word EXTI2_3_IRQHandler
.word EXTI4_15_IRQHandler
.word 0
.word DMA_Channel0_IRQHandler
.word DMA_Channel1_2_IRQHandler
.word DMA_Channel3_4_IRQHandler
.word ADC_CMP_IRQHandler
.word TIMER0_BRK_UP_TRG_COM_IRQHandler
.word TIMER0_Channel_IRQHandler
.word 0
.word TIMER2_IRQHandler
.word TIMER5_IRQHandler
.word 0
.word TIMER13_IRQHandler
.word TIMER14_IRQHandler
.word TIMER15_IRQHandler
.word TIMER16_IRQHandler
.word I2C0_EV_IRQHandler
.word I2C1_EV_IRQHandler
.word SPI0_IRQHandler
.word SPI1_IRQHandler
.word USART0_IRQHandler
.word USART1_IRQHandler
.word 0
.word 0
.word 0
.word I2C0_ER_IRQHandler
.word 0
.word I2C1_ER_IRQHandler
/* external interrupts handler */
.word WWDGT_IRQHandler /* 16:Window Watchdog Timer */
.word LVD_IRQHandler /* 17:LVD through EXTI Line detect */
.word RTC_IRQHandler /* 18:RTC through EXTI Line */
.word FMC_IRQHandler /* 19:FMC */
.word RCU_IRQHandler /* 20:RCU */
.word EXTI0_1_IRQHandler /* 21:EXTI Line 0 and EXTI Line 1 */
.word EXTI2_3_IRQHandler /* 22:EXTI Line 2 and EXTI Line 3 */
.word EXTI4_15_IRQHandler /* 23:EXTI Line 4 to EXTI Line 15 */
.word 0 /* Reserved */
.word DMA_Channel0_IRQHandler /* 25:DMA Channel 0 */
.word DMA_Channel1_2_IRQHandler /* 26:DMA Channel 1 and DMA Channel 2 */
.word DMA_Channel3_4_IRQHandler /* 27:DMA Channel 3 and DMA Channel 4 */
.word ADC_CMP_IRQHandler /* 28:ADC and Comparator */
.word TIMER0_BRK_UP_TRG_COM_IRQHandler /* 29:TIMER0 Break,Update,Trigger and Commutation */
.word TIMER0_Channel_IRQHandler /* 30:TIMER0 Channel Capture Compare */
.word 0 /* Reserved */
.word TIMER2_IRQHandler /* 32:TIMER2 */
.word TIMER5_IRQHandler /* 33:TIMER5 */
.word 0 /* Reserved */
.word TIMER13_IRQHandler /* 35:TIMER13 */
.word TIMER14_IRQHandler /* 36:TIMER14 */
.word TIMER15_IRQHandler /* 37:TIMER15 */
.word TIMER16_IRQHandler /* 38:TIMER16 */
.word I2C0_EV_IRQHandler /* 39:I2C0 Event */
.word I2C1_EV_IRQHandler /* 40:I2C1 Event */
.word SPI0_IRQHandler /* 41:SPI0 */
.word SPI1_IRQHandler /* 42:SPI1 */
.word USART0_IRQHandler /* 43:USART0 */
.word USART1_IRQHandler /* 44:USART1 */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word I2C0_ER_IRQHandler /* 48:I2C0 Error */
.word 0 /* Reserved */
.word I2C1_ER_IRQHandler /* 50:I2C1 Error */
.size __gVectors, . - __gVectors
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler
.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler
.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler
.weak WWDGT_IRQHandler
.thumb_set WWDGT_IRQHandler,Default_Handler
.weak LVD_IRQHandler
.thumb_set LVD_IRQHandler,Default_Handler
.weak TAMPER_IRQHandler
.thumb_set TAMPER_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak FMC_IRQHandler
.thumb_set FMC_IRQHandler,Default_Handler
.weak RCU_IRQHandler
.thumb_set RCU_IRQHandler,Default_Handler
.weak EXTI0_1_IRQHandler
.thumb_set EXTI0_1_IRQHandler,Default_Handler
.weak EXTI2_3_IRQHandler
.thumb_set EXTI2_3_IRQHandler,Default_Handler
.weak EXTI4_15_IRQHandler
.thumb_set EXTI4_15_IRQHandler,Default_Handler
.weak DMA_Channel0_IRQHandler
.thumb_set DMA_Channel0_IRQHandler,Default_Handler
.weak DMA_Channel1_2_IRQHandler
.thumb_set DMA_Channel1_2_IRQHandler,Default_Handler
.weak DMA_Channel3_4_IRQHandler
.thumb_set DMA_Channel3_4_IRQHandler,Default_Handler
.weak ADC_CMP_IRQHandler
.thumb_set ADC_CMP_IRQHandler,Default_Handler
.weak TIMER0_BRK_UP_TRG_COM_IRQHandler
.thumb_set TIMER0_BRK_UP_TRG_COM_IRQHandler,Default_Handler
.weak TIMER0_Channel_IRQHandler
.thumb_set TIMER0_Channel_IRQHandler,Default_Handler
.weak TIMER2_IRQHandler
.thumb_set TIMER2_IRQHandler,Default_Handler
.weak TIMER5_IRQHandler
.thumb_set TIMER5_IRQHandler,Default_Handler
.weak TIMER13_IRQHandler
.thumb_set TIMER13_IRQHandler,Default_Handler
.weak TIMER14_IRQHandler
.thumb_set TIMER14_IRQHandler,Default_Handler
.weak TIMER15_IRQHandler
.thumb_set TIMER15_IRQHandler,Default_Handler
.weak TIMER16_IRQHandler
.thumb_set TIMER16_IRQHandler,Default_Handler
.weak I2C0_EV_IRQHandler
.thumb_set I2C0_EV_IRQHandler,Default_Handler
.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler
.weak SPI0_IRQHandler
.thumb_set SPI0_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak USART0_IRQHandler
.thumb_set USART0_IRQHandler,Default_Handler
.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler
.weak I2C0_ER_IRQHandler
.thumb_set I2C0_ER_IRQHandler,Default_Handler
.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler
.macro Set_Default_Handler Handler_Name
.weak \Handler_Name
.set \Handler_Name, Default_Handler
.endm
/*
Set_Default_Handler NMI_Handler
Set_Default_Handler HardFault_Handler
Set_Default_Handler SVC_Handler
Set_Default_Handler PendSV_Handler
Set_Default_Handler SysTick_Handler
*/
Set_Default_Handler WWDGT_IRQHandler
Set_Default_Handler LVD_IRQHandler
Set_Default_Handler RTC_IRQHandler
Set_Default_Handler FMC_IRQHandler
Set_Default_Handler RCU_IRQHandler
Set_Default_Handler EXTI0_1_IRQHandler
Set_Default_Handler EXTI2_3_IRQHandler
Set_Default_Handler EXTI4_15_IRQHandler
Set_Default_Handler DMA_Channel0_IRQHandler
Set_Default_Handler DMA_Channel1_2_IRQHandler
Set_Default_Handler DMA_Channel3_4_IRQHandler
Set_Default_Handler ADC_CMP_IRQHandler
Set_Default_Handler TIMER0_BRK_UP_TRG_COM_IRQHandler
Set_Default_Handler TIMER0_Channel_IRQHandler
Set_Default_Handler TIMER2_IRQHandler
Set_Default_Handler TIMER5_IRQHandler
Set_Default_Handler TIMER13_IRQHandler
Set_Default_Handler TIMER14_IRQHandler
Set_Default_Handler TIMER15_IRQHandler
Set_Default_Handler TIMER16_IRQHandler
Set_Default_Handler I2C0_EV_IRQHandler
Set_Default_Handler I2C1_EV_IRQHandler
Set_Default_Handler SPI0_IRQHandler
Set_Default_Handler SPI1_IRQHandler
Set_Default_Handler USART0_IRQHandler
Set_Default_Handler USART1_IRQHandler
Set_Default_Handler I2C0_ER_IRQHandler
Set_Default_Handler I2C1_ER_IRQHandler
.end