STM32F103 "Blue Pill" USB Bootloader Linux

/*

Default linker script for STM32F10x_128K_20K with GNU-ld

Martin Thomas, 9/2009

A heavily modified "Default linker script for STM32F10x_512K_64K" 

Copyright RAISONANCE S.A.S. 2008 found in the STM fw-library.

(there is not much left from Raisonance's code and nearly everything

has been modified or reordered)

*/

/* Program Entry, set to mark it as "used" and avoid gc */

ENTRY(Reset_Handler)

/* Memory Spaces Definitions */

MEMORY

{

  RAM      (RWX) : ORIGIN = 0x20000000+0, LENGTH = 20K-0

  EXTSRAM  (RWX) : ORIGIN = 0x68000000, LENGTH = 0

  FLASH    (RX)  : ORIGIN = 0x08000000+0, LENGTH = 128K-2K-0

  EEMUL    (RWX) : ORIGIN = 0x08000000+128k-2k, LENGTH = 2k

  FLASHB1  (RX)  : ORIGIN = 0x00000000, LENGTH = 0

  EXTMEMB0 (RX)  : ORIGIN = 0x00000000, LENGTH = 0

  EXTMEMB1 (RX)  : ORIGIN = 0x00000000, LENGTH = 0

  EXTMEMB2 (RX)  : ORIGIN = 0x00000000, LENGTH = 0

  EXTMEMB3 (RX)  : ORIGIN = 0x00000000, LENGTH = 0

}

/* higher address of the user mode stack */

_estack = ORIGIN(RAM)+LENGTH(RAM);

/* start of the two 1kByte pages used by EEprom emulation at end of flash */

_seemul = ORIGIN(EEMUL);

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

_Minimum_Stack_Size = 0x100 ;

/* Check valid alignment for VTOR */

ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table");

/* Sections Definitions */

SECTIONS

{

  /* the program code is stored in the .text section, which goes to Flash */

  .text :

  {

    . = ALIGN(0x80); /* PM0056, Rev.1 (4/2009), 4.3.3 */

    _isr_vectorsflash_offs = . - 0x08000000;

    KEEP(*(.isr_vectorsflash))

    . = ALIGN(4);

    CREATE_OBJECT_SYMBOLS

    *(.text .text.* .gnu.linkonce.t.*)

    *(.plt)

    *(.gnu.warning)

    *(.glue_7t) *(.glue_7) *(.vfp11_veneer)

    *(.ARM.extab* .gnu.linkonce.armextab.*)

    *(.gcc_except_table)

  } >FLASH

  .eh_frame_hdr : ALIGN (4)

  {

    KEEP (*(.eh_frame_hdr))

  } >FLASH

  .eh_frame : ALIGN (4)

  {

    KEEP (*(.eh_frame))

  } >FLASH

  /* .ARM.exidx is sorted, so has to go in its own output section.  */

  __exidx_start = .;

  .ARM.exidx :

  {

    *(.ARM.exidx* .gnu.linkonce.armexidx.*)

  } >FLASH

  __exidx_end = .;

  .rodata : ALIGN (4)

  {

    *(.rodata .rodata.* .gnu.linkonce.r.*)

    . = ALIGN(4);

    KEEP(*(.init))

    . = ALIGN(4);

    __preinit_array_start = .;

    KEEP (*(.preinit_array))

    __preinit_array_end = .;

    . = ALIGN(4);

    __init_array_start = .;

    KEEP (*(SORT(.init_array.*)))

    KEEP (*(.init_array))

    __init_array_end = .;

    . = ALIGN(4);

    KEEP(*(.fini))

    . = ALIGN(4);

    __fini_array_start = .;

    KEEP (*(.fini_array))

    KEEP (*(SORT(.fini_array.*)))

    __fini_array_end = .;

    . = ALIGN(0x4);

    KEEP (*crtbegin.o(.ctors))

    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))

    KEEP (*(SORT(.ctors.*)))

    KEEP (*crtend.o(.ctors))

    . = ALIGN(0x4);

    KEEP (*crtbegin.o(.dtors))

    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))

    KEEP (*(SORT(.dtors.*)))

    KEEP (*crtend.o(.dtors))

    *(.init .init.*)

    *(.fini .fini.*)

    PROVIDE_HIDDEN (__preinit_array_start = .);

    KEEP (*(.preinit_array))

    PROVIDE_HIDDEN (__preinit_array_end = .);

    PROVIDE_HIDDEN (__init_array_start = .);

    KEEP (*(SORT(.init_array.*)))

    KEEP (*(.init_array))

    PROVIDE_HIDDEN (__init_array_end = .);

    PROVIDE_HIDDEN (__fini_array_start = .);

    KEEP (*(.fini_array))

    KEEP (*(SORT(.fini_array.*)))

    PROVIDE_HIDDEN (__fini_array_end = .);

    . = ALIGN (8);

    *(.rom)

    *(.rom.b)

    _etext = .;

    /* This is used by the startup in order to initialize the .data secion */

    _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 : ALIGN (8)

  {

    /* This is used by the startup in order to initialize the .data section */

    _sdata = . ;

    . = ALIGN(0x80);

    _isr_vectorsram_offs = . - 0x20000000;

    KEEP(*(.isr_vectorsram))

    . = ALIGN(4);

    KEEP(*(.jcr))

    *(.got.plt) *(.got)

    *(.shdata)

    *(.data .data.* .gnu.linkonce.d.*)

    . = ALIGN (8);

    *(.ram)

    *(.ramfunc*)

     . = ALIGN(4);

    /* This is used by the startup in order to initialize the .data section */

    _edata = .;

  } >RAM AT>FLASH

  /* This is the uninitialized data section */

  .bss (NOLOAD):

  {

    . = ALIGN(4);

    /* This is used by the startup in order to initialize the .bss section */

    _sbss = .;

    *(.shbss)

    *(.bss .bss.* .gnu.linkonce.b.*)

    *(COMMON)

    . = ALIGN (8);

    *(.ram.b)

    . = ALIGN(4);

     /* This is used by the startup in order to initialize the .bss section */

     _ebss = . ;

    _end = .;

    __end = .;

  } >RAM AT>FLASH

    /* This is the user stack section 

    This is just to check that there is enough RAM left for the User mode stack

    It should generate an error if it's full.

     */

    ._usrstack (NOLOAD):

    {

        . = ALIGN(4);

        _susrstack = . ;

        . = . + _Minimum_Stack_Size ;

        . = ALIGN(4);

        _eusrstack = . ;

    } >RAM

    /* this is the FLASH Bank1 */

    /* the C or assembly source must explicitly place the code or data there

    using the "section" attribute */

    .b1text :

    {

        *(.b1text)                   /* remaining code */

        *(.b1rodata)                 /* read-only data (constants) */

        *(.b1rodata*)

    } >FLASHB1

    /* this is the EXTMEM */

    /* the C or assembly source must explicitly place the code or data there

    using the "section" attribute */

    /* EXTMEM Bank0 */

    .eb0text :

    {

        *(.eb0text)                   /* remaining code */

        *(.eb0rodata)                 /* read-only data (constants) */

        *(.eb0rodata*)

    } >EXTMEMB0

    /* EXTMEM Bank1 */

    .eb1text :

    {

        *(.eb1text)                   /* remaining code */

        *(.eb1rodata)                 /* read-only data (constants) */

        *(.eb1rodata*)

    } >EXTMEMB1

    /* EXTMEM Bank2 */

    .eb2text :

    {

        *(.eb2text)                   /* remaining code */

        *(.eb2rodata)                 /* read-only data (constants) */

        *(.eb2rodata*)

    } >EXTMEMB2

    /* EXTMEM Bank0 */

    .eb3text :

    {

        *(.eb3text)                   /* remaining code */

        *(.eb3rodata)                 /* read-only data (constants) */

        *(.eb3rodata*)

    } >EXTMEMB3

    /* 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) }

  /* DWARF 3 */

  .debug_pubtypes 0 : { *(.debug_pubtypes) }

  .debug_ranges   0 : { *(.debug_ranges) }

  .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }

  .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }

  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }

}

/* mthomas:  from the STM example - moved here for now to keep it as reference, not 

   used in the project (useful anyway?)*/

/* default stack size(s). These are used by the startup in order to allocate stacks for 

the different modes. */

__Stack_Size = 1024 ;

PROVIDE ( _Stack_Size = __Stack_Size ) ;

__Stack_Init = _estack - __Stack_Size ;

/*"PROVIDE" allows to easily override these values from an object file or the commmand line.*/

PROVIDE ( _Stack_Init = __Stack_Init ) ;

dfu-util -l

dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.

Copyright 2010-2016 Tormod Volden and Stefan Schmidt

This program is Free Software and has ABSOLUTELY NO WARRANTY

Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Found DFU: [1eaf:0003] ver=0201, devnum=98, cfg=1, intf=0, path="1-1.1", alt=2, name="STM32duino bootloader v1.0  Upload to Flash 0x8002000", serial="LLM 003"

Found DFU: [1eaf:0003] ver=0201, devnum=98, cfg=1, intf=0, path="1-1.1", alt=1, name="STM32duino bootloader v1.0  Upload to Flash 0x8005000", serial="LLM 003"

Found DFU: [1eaf:0003] ver=0201, devnum=98, cfg=1, intf=0, path="1-1.1", alt=0, name="STM32duino bootloader v1.0  ERROR. Upload to RAM not supported.", serial="LLM 003"

dfu-util -a 2 -D ./FLASH_RUN/project.bin

dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.

Copyright 2010-2016 Tormod Volden and Stefan Schmidt

This program is Free Software and has ABSOLUTELY NO WARRANTY

Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Invalid DFU suffix signature

dfu-util: A valid DFU suffix will be required in a future dfu-util release!!!

Opening DFU capable USB device...

ID 1eaf:0003

Run-time device DFU version 0110

Claiming USB DFU Interface...

Setting Alternate Setting #2 ...

Determining device status: state = dfuIDLE, status = 0

dfuIDLE, continuing

DFU mode device DFU version 0110

Device returned transfer size 1024

Copying data from PC to DFU device

Download  [=========================] 100%         4928 bytes

Download done.

state(8) = dfuMANIFEST-WAIT-RESET, status(0) = No error condition is present

Done!