Re: ARM7TDMI problem

[Hadi Aminzadeh <hadi60@gmail.com>]

2011/10/13 Paweł Sikora <pluto@agmk.net>:
> On Thursday 13 of October 2011 07:37:26 Hadi Aminzadeh wrote:
>> 2011/10/12 Paweł Sikora <pluto@agmk.net>:
>> > On Wednesday 12 of October 2011 18:41:42 Hadi Aminzadeh wrote:
>> >> On Tue, Oct 11, 2011 at 2:55 PM, Pawel Sikora <pluto@agmk.net> wrote:
>> >> > On Tuesday 11 of October 2011 14:35:30 Hadi Aminzadeh wrote:
>> >> >> Hi Dear,
>> >> >>
>> >> >> I have a LPC2478 arm processor and want to use gcc to cross compile my
>> >> >> code in x86 for LPC2478
>> >> >> I use arm-linux-gnueabi-gcc to do that but (I think) the output of gcc
>> >> >> is an application that can be run in arm ported linux kernel but I
>> >> >> need Intel HEX-like format that can be programmed to micro controller
>> >> >> (I haven't any OS)
>> >> >> I haven't any idea what to do or what keyword I must search.
>> >> >
>> >> > you basically need a proper linker script for small embedded device.
>> >> > please, see an example at http://www.dreamislife.com/arm/ -> lpc2106_gcc.zip
>> >> > and search arm groups for similar one tuned for LPC2478...
>> >> >
>> >> >
>> >>
>> >> Thanks for your replay
>> >> I find a linker script for my device (that tested with my board) and
>> >> used gnuarm pre-compiled binary and eclipse to compile my tested
>> >> simple LED flasher program. but no success :-(
>> >> you can see the output of eclipse. have any idea?
>> >>
>> >> make all
>> >> Building file: ../main.c
>> >> Invoking: GCC C Compiler
>> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -O3 -g -Wall -c
>> >> -fmessage-length=0 -mcpu=arm7tdmi-s -MMD -MP -MF"main.d" -MT"main.d"
>> >> -o"main.o" "../main.c"
>> >> Finished building: ../main.c
>> >>
>> >> Building target: lpc2478
>> >> Invoking: GCC C Linker
>> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-gcc -mcpu=arm7tdmi-s
>> >> -nostartfiles -T /home/hadi/workspace/lpc2478/LPC2478.ld -o"lpc2478"
>> >> ./main.o
>> >> Finished building target: lpc2478
>> >>
>> >> make --no-print-directory post-build
>> >> /home/noBackup/arm/gnuarm-4.0.2/bin/arm-elf-objcopy --output-target
>> >> ihex lpc2478 lpc2478.hex
>> >>
>> >
>> > please show the 'simple LED flasher' source and 'arm-elf-objdump -hw lpc2478'.
>> >
>>
>> I attach all of them.
>> Thanks for your time.
>>
>
>
> the delay_ms() function was optimized at compile time to plain 'return'
> you can see this with -fdump-tree-optimized gcc option.
> and finally the hexdump shows .debug* sections in binary - there's no need
> to waste eeprom resources with debuginfo.
>

ok I disable the optimization ( -O0 ) but nothing happend :-(
Is it possible to generate an lst file ? I think it can help to find problem.

Regards,
Aminzadeh