mirror of
https://bitbucket.org/librepilot/librepilot.git
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e8cdf22427
CAREFULL: the heap section need to be the last section in RAM to avoid overwritting data... also move address into linker (CC and OP)
148 lines
4.2 KiB
Plaintext
148 lines
4.2 KiB
Plaintext
/* This is the size of the stack for all FreeRTOS IRQs */
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_irq_stack_size = 0x180;
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/* This is the size of the stack for early init: life span is until scheduler starts */
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_init_stack_size = 0x80;
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/* Stub out these functions since we don't use them anyway */
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PROVIDE ( vPortSVCHandler = 0 ) ;
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PROVIDE ( xPortPendSVHandler = 0 ) ;
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PROVIDE ( xPortSysTickHandler = 0 ) ;
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PROVIDE(pios_board_info_blob = ORIGIN(BD_INFO));
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_estack = 0x20004FF0;
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/* there is probably a way to get that from the MEMORY section */
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_eram = 0x20005000;
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/* Section Definitions */
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SECTIONS
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{
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.text :
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{
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PROVIDE (pios_isr_vector_table_base = .);
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KEEP(*(.isr_vector .isr_vector.*))
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*(.text .text.* .gnu.linkonce.t.*)
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*(.glue_7t) *(.glue_7)
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*(.rodata .rodata* .gnu.linkonce.r.*)
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} > FLASH
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/* init sections */
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.initcalluavobj.init :
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{
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. = ALIGN(4);
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__uavobj_initcall_start = .;
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KEEP(*(.initcalluavobj.init))
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. = ALIGN(4);
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__uavobj_initcall_end = .;
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} >FLASH
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.ARM.extab :
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{
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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} > FLASH
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.ARM.exidx :
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{
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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} > FLASH
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. = ALIGN(4);
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_etext = .;
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_sidata = .;
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/*
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* This stack is used both as the initial sp during early init as well as ultimately
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* being used as the STM32's MSP (Main Stack Pointer) which is the same stack that
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* is used for _all_ interrupt handlers. The end of this stack should be placed
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* against the lowest address in RAM so that a stack overrun results in a hard fault
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* at the first access beyond the end of the stack.
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*/
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.irq_stack :
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{
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. = ALIGN(4);
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_irq_stack_end = . ;
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. = . + _irq_stack_size ;
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. = ALIGN(4);
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_irq_stack_top = . - 4 ;
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. = ALIGN(4);
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} > SRAM
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.data : AT (_etext)
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{
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_sdata = .;
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*(.data .data.*)
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. = ALIGN(4);
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_edata = . ;
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} > SRAM
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/* .bss section which is used for uninitialized data */
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.bss (NOLOAD) :
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{
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_sbss = . ;
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*(.bss .bss.*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = . ;
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} > SRAM
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.heap (NOLOAD) :
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{
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_sheap = . ;
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_sheap_pre_rtos = . ;
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*(.heap)
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. = ALIGN(4);
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_eheap = . ;
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_eheap_pre_rtos = . ;
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_init_stack_end = . ;
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_sheap_post_rtos = . ;
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. = . + _init_stack_size ;
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. = ALIGN(4);
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_eheap_post_rtos = . ;
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_init_stack_top = . - 4 ;
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} > SRAM
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/* keep the heap section at the end of the SRAM */
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/* this will allow to claim the remaining bytes not used
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/* at run time! (done by the reset vector).
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. = ALIGN(4);
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_end = . ;
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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