On Thursday 13 of October 2011 14:40:50 Hadi Aminzadeh wrote: > 2011/10/13 Paweł Sikora <pluto@xxxxxxxx>: > > On Thursday 13 of October 2011 07:37:26 Hadi Aminzadeh wrote: > >> 2011/10/12 Paweł Sikora <pluto@xxxxxxxx>: > >> > On Wednesday 12 of October 2011 18:41:42 Hadi Aminzadeh wrote: > >> >> On Tue, Oct 11, 2011 at 2:55 PM, Pawel Sikora <pluto@xxxxxxxx> 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. man gcc: --save-temps, -fverbose-asm > > Regards, > Aminzadeh
