pebble/platform/silk/boot/src/stm32f_flash_boot.ld.in

/*
Linker script for STM32F2xx_1024K_128K
*/

/* include the common STM32F2xx sub-script */

/* Common part of the linker scripts for STM32 devices*/

/* default stack sizes.
These are used by the startup in order to allocate stacks for the different modes.
*/

__Stack_Size = 8192;

PROVIDE ( _Stack_Size = __Stack_Size ) ;

__Stack_Init = _estack  - __Stack_Size ;

/*"PROVIDE" allows to easily override these values from an object file or the command line.*/
PROVIDE ( _Stack_Init = __Stack_Init ) ;

/*
There will be a link error if there is not this amount of RAM free at the end.
*/
_Minimum_Stack_Size = 0x100 ;

/* include the memory spaces definitions sub-script */
/*
Linker subscript for STM32F2xx definitions with 1024K Flash and 1024K External SRAM */

/* Memory Spaces Definitions */

MEMORY
{
  RAM  (xrw) : ORIGIN = 0x20000000, LENGTH = 256K
  FLASH (rx) : ORIGIN = 0x08000000, LENGTH = @BOOTLOADER_LENGTH@
}

__end_heap = ORIGIN(RAM) + LENGTH(RAM);
PROVIDE(_heap_end = __end_heap);

/* include the sections management sub-script for FLASH mode */

/* Sections Definitions */

SECTIONS
{
    /* for Cortex devices, the beginning of the startup code is stored in the .isr_vector section, which goes to FLASH */
    .isr_vector :
    {
        . = ALIGN(4);
        KEEP(*(.isr_vector))            /* Startup code */
        . = ALIGN(4);
    } >FLASH

    /* for some STRx devices, the beginning of the startup code is stored in the .flashtext section, which goes to FLASH */
    .flashtext :
    {
        . = ALIGN(4);
        *(.flashtext)            /* Startup code */
        . = ALIGN(4);
    } >FLASH

    /* Exception handling sections. "contains index entries for section unwinding" */
    .ARM.exidx :
    {
        . = ALIGN(4);
        *(.ARM.exidx)
        . = ALIGN(4);
    } >FLASH

    /* the program code is stored in the .text section, which goes to Flash */
    .text :
    {
        . = ALIGN(4);

        *(.text)                   /* remaining code */
        *(.text.*)                   /* remaining code */
        *(.rodata)                 /* read-only data (constants) */
        *(.rodata*)
        *(.constdata)                 /* read-only data (constants) */
        *(.constdata*)
        *(.glue_7)
        *(.glue_7t)
        *(i.*)

        . = ALIGN(4);
        _etext = .;
        _sidata = _etext;
    } >FLASH

    /* This is the initialized data section
    The program executes knowing that the data is in the RAM
    but the loader puts the initial values in the FLASH (inidata).
    It is one task of the startup to copy the initial values from FLASH to RAM. */
    .data  : AT ( _sidata )
    {
        . = ALIGN(4);
        /* This is used by the startup in order to initialize the .data section */
        _sdata = .;

        *(.data)
        *(.data.*)

        . = ALIGN(4);
        _edata = .; /* This is used by the startup in order to initialize the .data section */
    } >RAM

    /* This is the uninitialized data section */
    .bss :
    {
        . = ALIGN(4);
        _sbss = .; /* This is used by the startup in order to initialize the .bss section */

        *(.bss)
        *(.bss.*)
        *(COMMON)

        . = ALIGN(4);
        _ebss = .; /* This is used by the startup in order to initialize the .bss section */
    } >RAM

    .stack :
    {
        . = ALIGN(8);
        _sstack = .;
        . = . + __Stack_Size;
        . = ALIGN(8);
        _endstack = .;
    } >RAM

    PROVIDE ( _estack = _endstack);
    PROVIDE ( end = _endstack );
    PROVIDE ( _end = _endstack );
    PROVIDE ( _heap_start = _endstack );

    /* after that it's only debugging information. */

    /* remove the debugging information from the standard libraries */
    DISCARD :
    {
        libc.a ( * )
        libm.a ( * )
        libgcc.a ( * )
    }

    /* Stabs debugging sections.  */
    .stab          0 : { *(.stab) }
    .stabstr       0 : { *(.stabstr) }
    .stab.excl     0 : { *(.stab.excl) }
    .stab.exclstr  0 : { *(.stab.exclstr) }
    .stab.index    0 : { *(.stab.index) }
    .stab.indexstr 0 : { *(.stab.indexstr) }
    .comment       0 : { *(.comment) }
    /* DWARF debug sections.
       Symbols in the DWARF debugging sections are relative to the beginning
       of the section so we begin them at 0.  */
    /* DWARF 1 */
    .debug          0 : { *(.debug) }
    .line           0 : { *(.line) }
    /* GNU DWARF 1 extensions */
    .debug_srcinfo  0 : { *(.debug_srcinfo) }
    .debug_sfnames  0 : { *(.debug_sfnames) }
    /* DWARF 1.1 and DWARF 2 */
    .debug_aranges  0 : { *(.debug_aranges) }
    .debug_pubnames 0 : { *(.debug_pubnames) }
    /* DWARF 2 */
    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
    .debug_abbrev   0 : { *(.debug_abbrev) }
    .debug_line     0 : { *(.debug_line) }
    .debug_frame    0 : { *(.debug_frame) }
    .debug_str      0 : { *(.debug_str) }
    .debug_loc      0 : { *(.debug_loc) }
    .debug_macinfo  0 : { *(.debug_macinfo) }
    /* SGI/MIPS DWARF 2 extensions */
    .debug_weaknames 0 : { *(.debug_weaknames) }
    .debug_funcnames 0 : { *(.debug_funcnames) }
    .debug_typenames 0 : { *(.debug_typenames) }
    .debug_varnames  0 : { *(.debug_varnames) }
}