Re: [Openocd-development] Stm32 load elf file with gdb

[Andreas F. <and...@gm...>]

On Thu, Nov 4, 2010 at 2:46 PM, Jonathan dumaresq <jdu...@ci...> wrote:
> Hi all,
>
> I try to get my stm32 environnement working with gdb. I'm unable to get my
> elf file loaded with gdb. Here my setup:
>
> Openocd.cfg
> /////
> source [find interface/olimex-arm-usb-ocd.cfg]
> source [find target/stm32.cfg]
>
> stm32.cpu configure -event gdb-flash-write-end {
>        reset init
> }
>
> stm32.cpu configure -event gdb-flash-erase-start {
>        reset init
> }
> ///////
>
> All include file are default.
>
> Here how i lunch gdb
>
> Arm-none-eabi-gdb rtosdemo.elf
>
>
> (gdb)target remote | openocd --pipe
> (gdb)load rtosdemo.elf
> (gdb) load
> Loading section .text, size 0xa7d8 lma 0x0
> Debug: 408 139609 gdb_server.c:2145 gdb_input_inner(): received packet:
> 'X0,3fb0
> :<binary-data>'
> Debug: 409 139609 gdb_server.c:1388 gdb_write_memory_binary_packet(): addr:
> 0x00
> 000000, len: 0x00003fb0
> Debug: 410 139609 target.c:1251 target_write_buffer(): writing buffer of
> 16304 b
> yte at 0x00000000

0x00000000 is most certainly the wrong place to be writing stuff...

> Warn : 419 139828 arm_adi_v5.c:720 mem_ap_write_buf_u32(): Block write error
> add
> ress 0x0, wcount 0xfec
> Error: 420 139828 gdb_server.c:1211 gdb_error(): unexpected error -107
> Load failed
> (gdb)
>
> I have to admit that i'm a little bit lost there. Do i have something else
> to do to get this work ?

Yes, you need to fix your broken linker script (in case of GNU ld) to
place your code in flash, which is located at 0x08000000, not 0x0.

Regards,
Andreas