Solved.

I had not defined a memory model.
Adding   -mmemory-model=medium to my .platform file helped.
I noticed the Z1 .platform file does not have this, though.

Regards
Flemming Nyboe


On 8 August 2013 11:02, Flemming Nyboe <[email protected]> wrote:

> Hello,
>
> I can compile using 4.7.0 as long as my code fits in rom (without far
> rom). However, once my code grows to need far rom, 4.7.0 seems to overflow
> rom instead.
> I know that far rom has been used successfully by others for over a year
> now, so I must be doing something wrong and would appreciate your comments.
> Output:
>
> -----------
>     compiling RootAppC to a WEBSTechSR300 binary
> ncc -o build/WEBSTechSR300/main.exe  -Os -fnesc-separator=__ -Wall
> -Wshadow -Wnesc-all -target=WEBSTechSR300
> -fnesc-cfile=build/WEBSTechSR300/app.c -board= -DDEFINED_TOS_AM_GROUP=0x22
> -DDELUGE_BASESTATION -DUART1_DMA_ENABLE -I/opt/tinyos-main/tos/lib/ftsp
> -I/opt/tinyos-main/tos/lib/net/ -I/opt/tinyos-main/tos/lib/net/ctp
> -I/opt/tinyos-main/tos/lib/net/4bitle -Wno-unused-but-set-variable
> -Wno-strict-aliasing -DIDENT_APPNAME=\"RootAppC\"
> -DIDENT_USERNAME=\"flemming\" -DIDENT_HOSTNAME=\"ProBookVirtualU\"
> -DIDENT_USERHASH=0xbe1da9c6L -DIDENT_TIMESTAMP=0x52035dbeL
> -DIDENT_UIDHASH=0xac8a73beL -DDELUGE -I/opt/tinyos-main/tos/lib/net
> -I/opt/tinyos-main/tos/lib/net/drip -I/opt/tinyos-main/tos/lib/net/Deluge
> -I/opt/tinyos-main/tos/lib/net/Deluge/FlashVolumeManager
> -I/opt/tinyos-main/tos/lib/net/Deluge/BlockStorageManager
> -I/opt/tinyos-main/tos/lib/net/Deluge/extra
> -I/opt/tinyos-main/tos/lib/net/Deluge/extra/msp430
> -I/opt/tinyos-main/tos/lib/net/Deluge/extra/WEBSTechSN
> -Wl,--undefined=__init_stack -Wl,--undefined=__low_level_init
> -Wl,--undefined=__do_copy_data -Wl,--undefined=__do_clear_bss
> -Wl,--undefined=__stop_progExec__ -Wl,--undefined=_endless_loop__
> -Wl,--undefined=__watchdog_support
> -Wl,--section-start=.text=0x3B00,--defsym=_reset_vector__=0x3100
> RootAppC.nc -lm
> /opt/tinyos-main/tos/platforms/WEBSTechSN100/Msp430DcoFllC.nc:27:2:
> warning: #warning "Accessing TimerA for DCO cal"
> /opt/msp430-47/bin/../lib/gcc/msp430/4.7.0/../../../../msp430/bin/ld:
> build/WEBSTechSR300/main.exe section `.rodata' will not fit in region `rom'
> /opt/msp430-47/bin/../lib/gcc/msp430/4.7.0/../../../../msp430/bin/ld:
> section .vectors loaded at [0000ffc0,0000ffff] overlaps section .rodata
> loaded at [0000f6c0,000104c2]
> /opt/msp430-47/bin/../lib/gcc/msp430/4.7.0/../../../../msp430/bin/ld:
> region `rom' overflowed by 1390 bytes
> /opt/msp430-47/bin/../lib/gcc/msp430/4.7.0/mcpu-430x/mmpy-16/libcrt0.a(_copy_data.o):
> In function `__do_copy_data':
> /home/cire/mm/w/tp/tinyos-2.x/tools/platforms/msp430/toolchain-47/gcc-4.7.0/build/msp430/mcpu-430x/mmpy-16/libgcc/../../../../../libgcc/config/msp430/crt0.S:208:(.init4+0x12):
> relocation truncated to fit: R_MSP430_16_BYTE against symbol
> `__data_load_start' defined in *ABS* section in build/WEBSTechSR300/main.exe
> /tmp/ccEr8KdH.o: In function `Stm25pSectorP__Sector__computeCrc':
> app.c:(.text+0x1ba2): relocation truncated to fit: R_MSP430_16_BYTE
> against `no symbol'
> <and similar>
> -----------
>
> Specialities:
> * I'm using a custom MSP430F2617 platform.
> * Using Deluge, I set section-start=.text=0x3B00 om tosboot.extra.
> Thinking this might be the problem, I have tried reverting that to the
> standard 0x3100, but this did not help.
>
> The two questions I have are:
> 1) Why does 4.7.0 seem to overflow rom instead of using far rom?
> 2) Is it an error that I see a reference
> to /home/cire/mm/w/tp/tinyos-2.x/tools.... in my output?
>
> Setup:
> * ubuntu 12.04
> * TinyOS install yesterday, as per instructions
> http://tinyos.stanford.edu/tinyos-wiki/index.php/Automatic_installation
> including msp430-47
> * PATH is
> /opt/msp430-47/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
>
> Regards
> Flemming Nyboe
>
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