179 lines
4.3 KiB
Plaintext
179 lines
4.3 KiB
Plaintext
/*
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** LinkerScript
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** Note: For specific memory allocation, linker and startup files must be customized.
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** Refer to STM32CubeIDE user guide (UM2609), chapter "Modify the linker script".
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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/* Highest address of the user mode stack */
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_estack = ORIGIN(RAM1) + LENGTH(RAM1); /* end of "SRAM1" Ram type memory */
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_Min_Heap_Size = 0x200; /* required amount of heap */
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_Min_Stack_Size = 0x400; /* required amount of stack */
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/* Memories definition */
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MEMORY
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{
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ROM (rx) : ORIGIN = 0x08000000, LENGTH = 256K
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RAM1 (xrw) : ORIGIN = 0x20000000, LENGTH = 32K /* Non-backup SRAM1 */
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RAM2 (xrw) : ORIGIN = 0x20008000, LENGTH = 32K /* Backup SRAM2 */
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}
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/* Sections */
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SECTIONS
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{
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/* The startup code into "ROM" Rom type memory */
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.isr_vector :
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{
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. = ALIGN(8);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(8);
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} >ROM
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/* The program code and other data into "ROM" Rom type memory */
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.text :
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{
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. = ALIGN(8);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(8);
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_etext = .; /* define a global symbols at end of code */
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} >ROM
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/* Constant data into "ROM" Rom type memory */
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.rodata :
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{
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. = ALIGN(8);
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(8);
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} >ROM
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.ARM.extab : {
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. = ALIGN(8);
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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. = ALIGN(8);
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} >ROM
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.ARM : {
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. = ALIGN(8);
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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. = ALIGN(8);
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} >ROM
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.preinit_array :
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{
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. = ALIGN(8);
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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. = ALIGN(8);
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} >ROM
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.init_array :
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{
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. = ALIGN(8);
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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. = ALIGN(8);
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} >ROM
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.fini_array :
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{
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. = ALIGN(8);
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array*))
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PROVIDE_HIDDEN (__fini_array_end = .);
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. = ALIGN(8);
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} >ROM
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/* Used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* Initialized data sections into "SRAM1" Ram type memory */
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.data :
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{
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. = ALIGN(8);
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_sdata = .; /* create a global symbol at data start */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(8);
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_edata = .; /* define a global symbol at data end */
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} >RAM1 AT> ROM
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/* Uninitialized data section into "SRAM1" Ram type memory */
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. = ALIGN(8);
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss section */
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_sbss = .; /* define a global symbol at bss start */
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(8);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM1
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/* Data section into "SRAM1" Ram type memory: Non-backup SRAM1 dedicated to CM4 */
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. = ALIGN(8);
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RAM1_region :
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{
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_sRAM1_region = .; /* define a global symbol at section start */
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*(.RAM1_region)
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. = ALIGN(8);
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_eRAM1_region = .; /* define a global symbol at section end */
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} >RAM1
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/* Data section into "SRAM2" Ram type memory: Backup SRAM2 dedicated to CM4 */
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. = ALIGN(8);
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RAM2_region :
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{
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_sRAM2_region = .; /* define a global symbol at section start */
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*(.RAM2_region)
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. = ALIGN(8);
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_eRAM2_region = .; /* define a global symbol at section end */
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} >RAM2
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/* User_heap_stack section, used to check that there is enough "SRAM1" Ram type memory left */
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._user_heap_stack :
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{
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. = ALIGN(8);
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PROVIDE ( end = . );
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PROVIDE ( _end = . );
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. = . + _Min_Heap_Size;
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. = . + _Min_Stack_Size;
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. = ALIGN(8);
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} >RAM1
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/* Remove information from the compiler libraries */
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/DISCARD/ :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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