2 *****************************************************************************
4 ** File : stm32_flash_split.ld
6 ** Abstract : Common linker script for STM32 devices.
8 *****************************************************************************
14 /* Highest address of the user mode stack */
15 _estack = ORIGIN(STACKRAM) + LENGTH(STACKRAM); /* end of RAM */
17 /* Base address where the config is stored. */
18 __config_start = ORIGIN(FLASH_CONFIG);
19 __config_end = ORIGIN(FLASH_CONFIG) + LENGTH(FLASH_CONFIG);
21 /* Define output sections */
24 /* The startup code goes first into FLASH */
28 PROVIDE (isr_vector_table_base = .);
29 KEEP(*(.isr_vector)) /* Startup code */
33 /* The program code and other data goes into FLASH */
37 *(.text) /* .text sections (code) */
38 *(.text*) /* .text* sections (code) */
39 *(.rodata) /* .rodata sections (constants, strings, etc.) */
40 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
41 *(.glue_7) /* glue arm to thumb code */
42 *(.glue_7t) /* glue thumb to arm code */
49 _etext = .; /* define a global symbols at end of code */
52 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
61 PROVIDE_HIDDEN (__busdev_registry_start = .);
62 KEEP (*(.busdev_registry))
63 KEEP (*(SORT(.busdev_registry.*)))
64 PROVIDE_HIDDEN (__busdev_registry_end = .);
69 PROVIDE_HIDDEN (__preinit_array_start = .);
70 KEEP (*(.preinit_array*))
71 PROVIDE_HIDDEN (__preinit_array_end = .);
75 PROVIDE_HIDDEN (__init_array_start = .);
76 KEEP (*(SORT(.init_array.*)))
77 KEEP (*(.init_array*))
78 PROVIDE_HIDDEN (__init_array_end = .);
82 PROVIDE_HIDDEN (__fini_array_start = .);
83 KEEP (*(.fini_array*))
84 KEEP (*(SORT(.fini_array.*)))
85 PROVIDE_HIDDEN (__fini_array_end = .);
89 PROVIDE_HIDDEN (__pg_registry_start = .);
90 KEEP (*(.pg_registry))
91 KEEP (*(SORT(.pg_registry.*)))
92 PROVIDE_HIDDEN (__pg_registry_end = .);
96 PROVIDE_HIDDEN (__pg_resetdata_start = .);
97 KEEP (*(.pg_resetdata))
98 PROVIDE_HIDDEN (__pg_resetdata_end = .);
101 /* used by the startup to initialize data */
104 /* Initialized data sections goes into RAM, load LMA copy after code */
108 _sdata = .; /* create a global symbol at data start */
109 *(.data) /* .data sections */
110 *(.data*) /* .data* sections */
113 _edata = .; /* define a global symbol at data end */
116 /* Uninitialized data section */
120 /* This is used by the startup in order to initialize the .bss secion */
121 _sbss = .; /* define a global symbol at bss start */
122 __bss_start__ = _sbss;
124 *(SORT_BY_ALIGNMENT(.bss*))
128 _ebss = .; /* define a global symbol at bss end */
132 .fastram_bss (NOLOAD) :
134 __fastram_bss_start__ = .;
136 *(SORT_BY_ALIGNMENT(.fastram_bss*))
138 __fastram_bss_end__ = .;
141 /* User_heap_stack section, used to check that there is enough RAM left */
142 _heap_stack_end = ORIGIN(STACKRAM)+LENGTH(STACKRAM) - 8; /* 8 bytes to allow for alignment */
143 _heap_stack_begin = _heap_stack_end - _Min_Stack_Size - _Min_Heap_Size;
144 . = _heap_stack_begin;
149 PROVIDE ( _end = . );
150 . = . + _Min_Heap_Size;
151 . = . + _Min_Stack_Size;
155 /* MEMORY_bank1 section, code must be located here explicitly */
156 /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
159 *(.mb1text) /* .mb1text sections (code) */
160 *(.mb1text*) /* .mb1text* sections (code) */
161 *(.mb1rodata) /* read-only data (constants) */
165 /* Remove information from the standard libraries */
173 .ARM.attributes 0 : { *(.ARM.attributes) }