stm32f42_flash.ld
142 lines
| 3.7 KiB
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| r71 | /* Entry Point */ | |||
| ENTRY(Reset_Handler) | ||||
| /* Highest address of the user mode stack */ | ||||
| _estack = 0x20020000; /* end of 128K RAM on AHB bus*/ | ||||
| /* Generate a link error if heap and stack don't fit into RAM */ | ||||
| _Min_Heap_Size = 0x2000; /* required amount of heap */ | ||||
| _Min_Stack_Size = 0x2000; /* required amount of stack */ | ||||
| /* Specify the memory areas */ | ||||
| MEMORY | ||||
| { | ||||
| FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048k | ||||
| RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 112k | ||||
| ETHRAM (xrw) : ORIGIN = 0x2001C000, LENGTH = 16k | ||||
| AUXRAM (xrw) : ORIGIN = 0x20020000, LENGTH = 64k | ||||
| CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64k | ||||
| MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K | ||||
| } | ||||
| /* 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) */ | ||||
| *(.rodata) /* .rodata sections (constants, strings, etc.) */ | ||||
| *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ | ||||
| *(.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 | ||||
| .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 (*(.fini_array*)) | ||||
| KEEP (*(SORT(.fini_array.*))) | ||||
| PROVIDE_HIDDEN (__fini_array_end = .); | ||||
| } >FLASH | ||||
| /* used by the startup to initialize data */ | ||||
| _sidata = .; | ||||
| /* Initialized data sections goes into RAM, load LMA copy after code */ | ||||
| .data : AT ( _sidata ) | ||||
| { | ||||
| . = 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 | ||||
| /* 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(4); | ||||
| PROVIDE ( end = . ); | ||||
| PROVIDE ( _end = . ); | ||||
| . = . + _Min_Heap_Size; | ||||
| . = . + _Min_Stack_Size; | ||||
| . = ALIGN(4); | ||||
| } >RAM | ||||
| /* MEMORY_bank1 section, code must be located here explicitly */ | ||||
| /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */ | ||||
| .memory_b1_text : | ||||
| { | ||||
| *(.mb1text) /* .mb1text sections (code) */ | ||||
| *(.mb1text*) /* .mb1text* sections (code) */ | ||||
| *(.mb1rodata) /* read-only data (constants) */ | ||||
| *(.mb1rodata*) | ||||
| } >MEMORY_B1 | ||||
| /* Remove information from the standard libraries */ | ||||
| /DISCARD/ : | ||||
| { | ||||
| libc.a ( * ) | ||||
| libm.a ( * ) | ||||
| libgcc.a ( * ) | ||||
| } | ||||
| .ARM.attributes 0 : { *(.ARM.attributes) } | ||||
| } | ||||
