initial commit

This commit is contained in:
bmy
2024-06-10 18:04:53 +08:00
commit 3c525b4cfd
115 changed files with 54092 additions and 0 deletions

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/*
*****************************************************************************
**
** File : AT32F425x4_FLASH.ld
**
** Abstract : Linker script for AT32F425x4 Device with
** 16KByte FLASH, 8KByte RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
**
** Environment : Arm gcc toolchain
**
*****************************************************************************
*/
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20002000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 8K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >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 (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT> FLASH
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(8);
} >RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
}

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/*
*****************************************************************************
**
** File : AT32F425x6_FLASH.ld
**
** Abstract : Linker script for AT32F425x6 Device with
** 32KByte FLASH, 20KByte RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
**
** Environment : Arm gcc toolchain
**
*****************************************************************************
*/
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20005000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >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 (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT> FLASH
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(8);
} >RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
}

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/*
*****************************************************************************
**
** File : AT32F425x8_FLASH.ld
**
** Abstract : Linker script for AT32F425x8 Device with
** 64KByte FLASH, 16KByte RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
**
** Environment : Arm gcc toolchain
**
*****************************************************************************
*/
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20005000; /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} >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 (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT> FLASH
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(8);
} >RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
}

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/**
******************************************************************************
* @file startup_at32f425.s
* @brief at32f425xx 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 ERTC_IRQHandler /* ERTC */
.word FLASH_IRQHandler /* Flash */
.word CRM_IRQHandler /* CRM */
.word EXINT1_0_IRQHandler /* EXINT Line 1 & 0 */
.word EXINT3_2_IRQHandler /* EXINT Line 3 & 2 */
.word EXINT15_4_IRQHandler /* EXINT Line 15 ~ 4 */
.word ACC_IRQHandler /* ACC */
.word DMA1_Channel1_IRQHandler /* DMA1 Channel 1 */
.word DMA1_Channel3_2_IRQHandler /* DMA1 Channel 3 & 2 */
.word DMA1_Channel7_4_IRQHandler /* DMA1 Channel 7 & 4 */
.word ADC1_IRQHandler /* ADC1 */
.word TMR1_BRK_OVF_TRG_HALL_IRQHandler /* TMR1 brake overflow trigger and hall */
.word TMR1_CH_IRQHandler /* TMR1 channel */
.word TMR2_GLOBAL_IRQHandler /* TMR2 */
.word TMR3_GLOBAL_IRQHandler /* TMR3 */
.word TMR6_GLOBAL_IRQHandler /* TMR6 */
.word TMR7_GLOBAL_IRQHandler /* TMR7 */
.word TMR14_GLOBAL_IRQHandler /* TMR14 */
.word TMR15_GLOBAL_IRQHandler /* TMR15 */
.word TMR16_GLOBAL_IRQHandler /* TMR16 */
.word TMR17_GLOBAL_IRQHandler /* TMR17 */
.word I2C1_EVT_IRQHandler /* I2C1 Event */
.word I2C2_EVT_IRQHandler /* I2C2 Event */
.word SPI1_IRQHandler /* SPI1 */
.word SPI2_IRQHandler /* SPI2 */
.word USART1_IRQHandler /* USART1 */
.word USART2_IRQHandler /* USART2 */
.word USART4_3_IRQHandler /* USART3 & USART4 */
.word CAN1_IRQHandler /* CAN1 */
.word OTGFS1_IRQHandler /* OTGFS1 */
.word I2C1_ERR_IRQHandler /* I2C1 Error */
.word SPI3_IRQHandler /* SPI3 */
.word I2C2_ERR_IRQHandler /* I2C2 Error */
.word TMR13_GLOBAL_IRQHandler /* TMR13 */
/*******************************************************************************
*
* 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 ERTC_IRQHandler
.thumb_set ERTC_IRQHandler,Default_Handler
.weak FLASH_IRQHandler
.thumb_set FLASH_IRQHandler,Default_Handler
.weak CRM_IRQHandler
.thumb_set CRM_IRQHandler,Default_Handler
.weak EXINT1_0_IRQHandler
.thumb_set EXINT1_0_IRQHandler,Default_Handler
.weak EXINT3_2_IRQHandler
.thumb_set EXINT3_2_IRQHandler,Default_Handler
.weak EXINT15_4_IRQHandler
.thumb_set EXINT15_4_IRQHandler,Default_Handler
.weak ACC_IRQHandler
.thumb_set ACC_IRQHandler,Default_Handler
.weak DMA1_Channel1_IRQHandler
.thumb_set DMA1_Channel1_IRQHandler,Default_Handler
.weak DMA1_Channel3_2_IRQHandler
.thumb_set DMA1_Channel3_2_IRQHandler,Default_Handler
.weak DMA1_Channel7_4_IRQHandler
.thumb_set DMA1_Channel7_4_IRQHandler,Default_Handler
.weak ADC1_IRQHandler
.thumb_set ADC1_IRQHandler,Default_Handler
.weak TMR1_BRK_OVF_TRG_HALL_IRQHandler
.thumb_set TMR1_BRK_OVF_TRG_HALL_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 TMR6_GLOBAL_IRQHandler
.thumb_set TMR6_GLOBAL_IRQHandler,Default_Handler
.weak TMR7_GLOBAL_IRQHandler
.thumb_set TMR7_GLOBAL_IRQHandler,Default_Handler
.weak TMR14_GLOBAL_IRQHandler
.thumb_set TMR14_GLOBAL_IRQHandler,Default_Handler
.weak TMR15_GLOBAL_IRQHandler
.thumb_set TMR15_GLOBAL_IRQHandler,Default_Handler
.weak TMR16_GLOBAL_IRQHandler
.thumb_set TMR16_GLOBAL_IRQHandler,Default_Handler
.weak TMR17_GLOBAL_IRQHandler
.thumb_set TMR17_GLOBAL_IRQHandler,Default_Handler
.weak I2C1_EVT_IRQHandler
.thumb_set I2C1_EVT_IRQHandler,Default_Handler
.weak I2C2_EVT_IRQHandler
.thumb_set I2C2_EVT_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 USART4_3_IRQHandler
.thumb_set USART4_3_IRQHandler,Default_Handler
.weak CAN1_IRQHandler
.thumb_set CAN1_IRQHandler,Default_Handler
.weak OTGFS1_IRQHandler
.thumb_set OTGFS1_IRQHandler,Default_Handler
.weak I2C1_ERR_IRQHandler
.thumb_set I2C1_ERR_IRQHandler,Default_Handler
.weak SPI3_IRQHandler
.thumb_set SPI3_IRQHandler,Default_Handler
.weak I2C2_ERR_IRQHandler
.thumb_set I2C2_ERR_IRQHandler,Default_Handler
.weak TMR13_GLOBAL_IRQHandler
.thumb_set TMR13_GLOBAL_IRQHandler,Default_Handler