[ECOS] Memory segments

[Federico Dios Vila <fdiosv at yahoo dot es>]

I'm working with the ARM7TDMI chipset
(2MbFlash-512kRam Combo) and I'm having 
problems while generating the binary files in order to
flash them to the target 
device.

My program is running 5 threads and I need to add some
more. When I declare the 
needed stack variable for a new thread, this problem
comes up during the 
process of compiling & linking, aborting the creation
of a binary file:


--------------------------------------------------------------------------------


make -k all 

------------------------------------------
ALL       : creating objects (compiled & assembled
sources)
   gps_start.o:     src/gps_start.c ==> gps_start.o
arm-elf-gcc -Wall -I./src
-Iecos_lib/ecos_install/include -fno-rtti -fno-
exceptions -DNAV_ONLY_ECOS -DARM -DNAV_ONLY
-DCLIENT_DEMO -DHW_TRACK -
DUSE_GSP2_ROM_FP -Os -fomit-frame-pointer  -c -o
obj/gps_start.o 
src/gps_start.c 
cc1: warning: "-fno-rtti" is valid for C++ but not for
C/ObjC

LINKER    : linking files to an absolute object
sirf_demo.out
   src    : crc.o dp-bit.o fp-bit.o gps_demo.o
gps_nmea.o gps_protocol.o 
gps_rtos.o gps_sirf.o gps_start.o gps_trk_asic.o
gps_ui_msg.o gps_util.o 
gsm_handler.o gsp2_adc.o gsp2_cache.o gsp2_intr_ctrl.o
gsp2_rom_fp_wrappers.o 
gsp2_rtc.o gsp2_speed.o gsp2_storage.o malloc.o
select.o string32.o 
trk_engine.o trk_messages.o
   lib    : lib/SiRFgpsServer.a  
arm-elf-gcc -nostartfiles -L ecos_lib/ecos_install/lib
-Ttarget.ld  -
mcpu=arm7tdmi -g -nostdlib -Wl,--gc-sections
-Wl,-static    obj/crc.o obj/dp-
bit.o obj/fp-bit.o obj/gps_demo.o obj/gps_nmea.o
obj/gps_protocol.o 
obj/gps_rtos.o obj/gps_sirf.o obj/gps_start.o
obj/gps_trk_asic.o 
obj/gps_ui_msg.o obj/gps_util.o obj/gsm_handler.o
obj/gsp2_adc.o 
obj/gsp2_cache.o obj/gsp2_intr_ctrl.o
obj/gsp2_rom_fp_wrappers.o obj/gsp2_rtc.o 
obj/gsp2_speed.o obj/gsp2_storage.o obj/malloc.o
obj/select.o obj/string32.o 
obj/trk_engine.o obj/trk_messages.o
lib/SiRFgpsServer.a   -o bin/sirf_demo.out
/ecos-d/software/eCos_SDK/H-i686-pc-cygwin/bin/../lib/gcc-lib/arm-
elf/3.3.2/../../../../arm-elf/bin/ld: address 0x20f14
of bin/sirf_demo.out 
section .bss is not within region int_sram
collect2: ld returned 1 exit status
make: *** [sirf_demo.out] Error 1
make: Target `all' not remade because of errors.

--------------------------------------------------------------------------------


I think my problem is during configuration of my eCos
properties. I'd like to 
know what values (and how) do I need to change in
order to avoid this memory 
problem.

Thanks in advance.

Federico Dios Vila



		
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