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change to official LD/Startup(from embedded builder C Standard Project)

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yelvlab 2024-09-21 02:02:10 +08:00
parent 71bf848852
commit b7b439f611
2 changed files with 335 additions and 196 deletions
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167
ld/gd_e230f4_gcc.ld
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@ -1,56 +1,127 @@
/* memory map */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
}
ENTRY(Reset_Handler) ENTRY(Reset_Handler)
MEMORY { SECTIONS
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K {
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K __stack_size = DEFINED(__stack_size) ? __stack_size : 2K;
}
_estack = ORIGIN(RAM) + LENGTH(RAM); /* ISR vectors */
.vectors :
{
. = ALIGN(4);
KEEP(*(.vectors))
. = ALIGN(4);
__Vectors_End = .;
__Vectors_Size = __Vectors_End - __gVectors;
} >FLASH
SECTIONS { .text :
.isr_vector : { {
. = ALIGN(4); . = ALIGN(4);
KEEP(*(.isr_vector)) *(.text)
. = ALIGN(4); *(.text*)
} >FLASH *(.glue_7)
*(.glue_7t)
*(.eh_frame)
.text : { KEEP (*(.init))
. = ALIGN(4); KEEP (*(.fini))
*(.text)
*(.text*)
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
.rodata : {
. = ALIGN(4);
*(.rodata)
*(.rodata*)
. = ALIGN(4);
} >FLASH
_sidata = LOADADDR(.data);
.data : {
. = ALIGN(4);
_sdata = .;
*(.data)
*(.data*)
. = ALIGN(4);
_edata = .;
} >RAM AT>FLASH
. = ALIGN(4); . = ALIGN(4);
.bss : { /* the symbol <20><>_etext<78><74> will be defined at the end of code section */
_sbss = .; _etext = .;
*(.bss) } >FLASH
*(.bss*)
. = ALIGN(4); .rodata :
_ebss = .; {
} >RAM . = ALIGN(4);
} *(.rodata)
*(.rodata*)
. = ALIGN(4);
} >FLASH
.ARM.extab :
{
*(.ARM.extab* .gnu.linkonce.armextab.*)
} >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >FLASH
.ARM.attributes : { *(.ARM.attributes) } > FLASH
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array*))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* provide some necessary symbols for startup file to initialize data */
_sidata = LOADADDR(.data);
.data :
{
. = ALIGN(4);
/* the symbol <20><>_sdata<74><61> will be defined at the data section end start */
_sdata = .;
*(.data)
*(.data*)
. = ALIGN(4);
/* the symbol <20><>_edata<74><61> will be defined at the data section end */
_edata = .;
} >RAM AT> FLASH
. = ALIGN(4);
.bss :
{
/* the symbol <20><>_sbss<73><73> will be defined at the bss section start */
_sbss = .;
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
/* the symbol <20><>_ebss<73><73> will be defined at the bss section end */
_ebss = .;
__bss_end__ = _ebss;
} >RAM
. = ALIGN(8);
PROVIDE ( end = _ebss );
PROVIDE ( _end = _ebss );
.stack ORIGIN(RAM) + LENGTH(RAM) - __stack_size :
{
PROVIDE( _heap_end = . );
. = __stack_size;
PROVIDE( _sp = . );
} >RAM AT>RAM
}
/* input sections */
GROUP(libgcc.a libc.a libm.a libnosys.a)

364
startup/startup_gd32e23x.S
View File

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