when I compile now I have:but I still don't understand what is this _start
symbol warning !!
____________________________________________________________
[EMAIL PROTECTED] /cygdrive/c/jennic/cygwin/opt/tinyos-2.x/apps/Null
$ make isense
mkdir -p build/isense
compiling NullAppC to a isense binary
ncc -o build/isense/main.exe -Os -Wall -Wshadow -DDEF_TOS_AM_GROUP=0x7d -Wnesc-a
ll -target=isense -fnesc-cfile=build/isense/app.c -board= -DIDENT_PROGRAM_NAME=\
"NullAppC\" -DIDENT_USER_ID=\"Mejda\" -DIDENT_HOSTNAME=\"MEJDA\" -DIDENT_USER_HA
SH=0x9dac3aceL -DIDENT_UNIX_TIME=0x47580eb5L -DIDENT_UID_HASH=0x53193042L -I. -D
OR1K -g -Os -Wall -fomit-frame-pointer -msibcall -mno-entri -mno-multi -mno-setc
c -mno-cmov -mno-carry -mno-subb -mno-sext -mno-ror -mno-ff1 -mno-hard-div -mhar
d-mul -mbranch-cost=3 -msimple-mul -mabi=1 -march=ba1 -mredzone-size=4 -DPCB_DEV
KIT2 -DEMBEDDED -DLEAN_N_MEAN -DSINGLE_CONTEXT -DCHIP_RELEASE_5131 -Iinclude -I/
opt/tinyos-2.x/tos/chips/JN5139R1/Platform/DK2/Include -I./Source -I/opt/tinyos-
2.x/tos/chips/JN5139R1/Common/Include -I/opt/tinyos-2.x/tos/chips/JN5139R1/Chip/
JN513xR1/Include -I -I/opt/tinyos-2.x/tos/chips/JN5139R1/Chip/Common/Include Nu
llAppC.nc -lm
/ba-elf/bin/../lib/gcc/ba-elf/4.1.2/../../../../ba-elf/bin/ld: warning: cannot f
ind entry symbol _start; defaulting to 00000000
compiled NullAppC to build/isense/main.exe
ba-elf-objdump -h build/isense/main.exe | perl -ne '$b{$1}=hex $2 if /^\s*\d+\s*
\.(text|data|bss)\s+(\S+)/; END { printf("%16d bytes in ROM\n%16d bytes in RAM\n
",$b{text}+$b{data},$b{data}+$b{bss}); }'
352 bytes in ROM
4 bytes in RAM
ba-elf-objcopy --output-target=ihex build/isense/main.exe build/isense/main.ihex
writing TOS image
[EMAIL PROTECTED] /cygdrive/c/jennic/cygwin/opt/tinyos-2.x/apps/Null
____________________________________________________________
----- Message d'origine ----
De : Marco Antonio Lopez Trinidad <[EMAIL PROTECTED]>
À : mejda chouaieb <[EMAIL PROTECTED]>
Envoyé le : Jeudi, 6 Décembre 2007, 15h44mn 10s
Objet : Re: [Tinyos-help] Urgent :is there a symbol named _start in tinyos
????!!!!!
The problem is in the call to a command named ba-objcopy instead avr-objcopy. I
think.
ciao,
--marco.
> Hello,
> I'm porting TinyOS to Jennic, and now I can compile the Null application for
> my new platform but I still have one error that I can't understand, when I
> compile I have :
> ___________________________________________________________________________
> $ make isense
> mkdir -p build/isense
> compiling NullAppC to a isense binary
> ncc -o build/isense/main.exe -Os -Wall -Wshadow -DDEF_TOS_AM_GROUP=0x7d
> -Wnesc-a
> ll -target=isense -fnesc-cfile=build/isense/app.c -board=
> -DIDENT_PROGRAM_NAME=\
> "NullAppC\" -DIDENT_USER_ID=\"Mejda\" -DIDENT_HOSTNAME=\"MEJDA\"
> -DIDENT_USER_HA
> SH=0x9dac3aceL -DIDENT_UNIX_TIME=0x4756c528L -DIDENT_UID_HASH=0xea638023L -I.
> -D
> OR1K -g -Os -Wall -fomit-frame-pointer -msibcall -mno-entri -mno-multi
> -mno-setc
> c -mno-cmov -mno-carry -mno-subb -mno-sext -mno-ror -mno-ff1 -mno-hard-div
> -mhar
> d-mul -mbranch-cost=3 -msimple-mul -mabi=1 -march=ba1 -mredzone-size=4
> -DPCB_DEV
> KIT2 -DEMBEDDED -DLEAN_N_MEAN -DSINGLE_CONTEXT -DCHIP_RELEASE_5131 -Iinclude
> -I/
> opt/tinyos-2.x/tos/chips/JN5139R1/Platform/DK2/Include -I./Source
> -I/opt/tinyos-
> 2.x/tos/chips/JN5139R1/Common/Include
> -I/opt/tinyos-2.x/tos/chips/JN5139R1/Chip/
> JN513xR1/Include -I -I/opt/tinyos-2.x/tos/chips/JN5139R1/Chip/Common/Include
> Nu
> llAppC.nc -lm
> /ba-elf/bin/../lib/gcc/ba-elf/4.1.2/../../../../ba-elf/bin/ld: warning:
> cannot f
> ind entry symbol _start; defaulting to 00000000
> compiled NullAppC to build/isense/main.exe
> ba-objdump -h build/isense/main.exe | perl -ne '$b{$1}=hex $2 if
> /^\s*\d+\s*\.(t
> ext|data|bss)\s+(\S+)/; END { printf("%16d bytes in ROM\n%16d bytes in
> RAM\n",$b
> {text}+$b{data},$b{data}+$b{bss}); }'
> ba-objdump: not found
> 0 bytes in ROM
> 0 bytes in RAM
> ba-objcopy --output-target=ihex build/isense/main.exe build/isense/main.ihex
> make: ba-objcopy: Command not found
> make: *** [ihex] Error 127
> [EMAIL PROTECTED] /cygdrive/c/jennic/cygwin/opt/tinyos-2.x/apps/Null
>
_______________________________________________________________________________
> what I want to know is : where is the symbol "_start" defined in tinyos ?
> because in my code i didn't define _start !!!!!
> Thanks
>
>
>
>
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