mirror of
https://github.com/Ralim/IronOS.git
synced 2025-02-26 07:53:55 +00:00
170 lines
4.0 KiB
Plaintext
170 lines
4.0 KiB
Plaintext
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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 = 0x20005000; /* end of RAM */
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_Min_Heap_Size = 0x300; /* required amount of heap */
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_Min_Stack_Size = 1024; /* required amount of stack */
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__APP_BASE_ADDRESS__ = 0x08000000 + __BOOTLDR_SIZE__;
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__ROM_REGION_LENGTH__ = __FLASH_SIZE__ - __BOOTLDR_SIZE__;
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__FLASH_END_ADDR__ = __APP_BASE_ADDRESS__ + __ROM_REGION_LENGTH__;
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/* Memories definition */
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MEMORY
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{
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K
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ROM (rx) : ORIGIN = __APP_BASE_ADDRESS__, LENGTH = __ROM_REGION_LENGTH__
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}
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/* ROM is normally 48K after the bootloader, however we allocate the last page for settings, and the second last one for display boot logo*/
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/* Sections */
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SECTIONS
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{
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/* The startup code into ROM memory */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} >ROM
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/* The program code and other data into ROM memory */
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.text :
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{
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. = ALIGN(4);
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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(4);
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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 memory*/
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.rodata :
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{
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. = ALIGN(4);
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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(4);
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} >ROM
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.ARM.extab : {
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. = ALIGN(4);
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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. = ALIGN(4);
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} >ROM
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.ARM : {
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. = ALIGN(4);
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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. = ALIGN(4);
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} >ROM
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.preinit_array :
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{
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. = ALIGN(4);
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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(4);
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} >ROM
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.init_array :
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{
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. = ALIGN(4);
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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(4);
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} >ROM
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.fini_array :
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{
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. = ALIGN(4);
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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(4);
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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 RAM memory */
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.data :
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{
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. = ALIGN(4);
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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(4);
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_edata = .; /* define a global symbol at data end */
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} >RAM AT> ROM
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.logo_page (NOLOAD) :
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{
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. = ABSOLUTE(__FLASH_END_ADDR__ - 2048);
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KEEP (*(.logo_page*))
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} > ROM
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.settings_page (NOLOAD) :
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{
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. = ABSOLUTE(__FLASH_END_ADDR__ - 1024);
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KEEP (*(.settings_page*))
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} > ROM
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.bss :
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{
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/* Uninitialized data section into RAM memory */
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. = ALIGN(4);
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/* This is used by the startup in order to initialize the .bss secion */
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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(4);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM
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/* User_heap_stack section, used to check that there is enough RAM 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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} >RAM
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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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