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Add bootloader for A/B update support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,168 @@ | ||
| /* | ||
| ***************************************************************************** | ||
| ** | ||
|
|
||
| ** File : LinkerScript.ld | ||
| ** | ||
| ** Abstract : Linker script for STM32F103RCTx Device with | ||
| ** 256KByte FLASH, 48KByte RAM | ||
| ** | ||
| ** Set heap size, stack size and stack location according | ||
| ** to application requirements. | ||
| ** | ||
| ** Set memory bank area and size if external memory is used. | ||
| ** | ||
| ** Target : STMicroelectronics STM32 | ||
| ** | ||
| ** | ||
| ** Distribution: The file is distributed as is, without any warranty | ||
| ** of any kind. | ||
| ** | ||
| ** (c)Copyright Ac6. | ||
| ** You may use this file as-is or modify it according to the needs of your | ||
| ** project. Distribution of this file (unmodified or modified) is not | ||
| ** permitted. Ac6 permit registered System Workbench for MCU users the | ||
| ** rights to distribute the assembled, compiled & linked contents of this | ||
| ** file as part of an application binary file, provided that it is built | ||
| ** using the System Workbench for MCU toolchain. | ||
| ** | ||
| ***************************************************************************** | ||
| */ | ||
|
|
||
| /* Entry Point */ | ||
| ENTRY(Reset_Handler) | ||
|
|
||
| /* Highest address of the user mode stack */ | ||
| _estack = 0x2000C000; /* 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 | ||
| { | ||
| RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 48K | ||
| FLASH (rx) : ORIGIN = 0x08002000, LENGTH = 122K | ||
| CONFIG (r) : ORIGIN = 0x0803f800, LENGTH = 2K | ||
| } | ||
|
|
||
| /* 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) | ||
|
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| KEEP (*(.init)) | ||
| KEEP (*(.fini)) | ||
|
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| . = ALIGN(4); | ||
| _etext = .; /* define a global symbols at end of code */ | ||
| } >FLASH | ||
|
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||
| /* Constant data goes into FLASH */ | ||
| .rodata : | ||
| { | ||
| . = ALIGN(4); | ||
| *(.rodata) /* .rodata sections (constants, strings, etc.) */ | ||
| *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ | ||
| . = ALIGN(4); | ||
| } >FLASH | ||
|
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||
| .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH | ||
| .ARM : { | ||
| __exidx_start = .; | ||
| *(.ARM.exidx*) | ||
| __exidx_end = .; | ||
| } >FLASH | ||
|
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||
| .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 | ||
|
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||
| /* used by the startup to initialize data */ | ||
| _sidata = LOADADDR(.data); | ||
|
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||
| /* 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 */ | ||
|
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| . = ALIGN(4); | ||
| _edata = .; /* define a global symbol at data end */ | ||
| } >RAM AT> FLASH | ||
|
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||
|
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| /* 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) | ||
|
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| . = ALIGN(4); | ||
| _ebss = .; /* define a global symbol at bss end */ | ||
| __bss_end__ = _ebss; | ||
| } >RAM | ||
|
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||
| /* 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 | ||
|
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|
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|
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| /* Remove information from the standard libraries */ | ||
| /DISCARD/ : | ||
| { | ||
| libc.a ( * ) | ||
| libm.a ( * ) | ||
| libgcc.a ( * ) | ||
| } | ||
|
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||
| .ARM.attributes 0 : { *(.ARM.attributes) } | ||
| } |
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