Building ARM in big-endian mode
Charles Steaderman
charlies at poliac.com
Mon Feb 24 20:34:37 UTC 2003
I would like to rebuild RTEMS and my application for ARM in big-endian mode.
Currently, I have RPM based tools installed under Linux (gcc-3.2.1/newlib-1.10).
When I modify my bsp cfg file with -mbig-endian and rebuild RTEMS, I get the
following error:
arm-rtems-gcc --pipe -B../../../../lib/ -B../../../../pwrlink/lib/ -specs
bsp_specs -qrtems -ansi -fasm -O3 -mcpu=arm7tdmi
-mstructure-size-boundary=8 -mbig-endian -o o-optimize/no-dpmem.o -c
../../../../../../rtems/c/src/optman/rtems/no-dpmem.c
test -d o-optimize || mkdir o-optimize
arm-rtems-gcc --pipe -B../../../../lib/ -B../../../../pwrlink/lib/ -specs
bsp_specs -qrtems -O3 -mcpu=arm7tdmi -mstructure-size-boundary=8 -mbig-endian
-L ../../../../pwrlink/lib -o o-optimize/no-dpmem.rel -qnolinkcmds -nostdlib
-Wl,-r o-optimize/no-dpmem.o
/opt/rtems/lib/gcc-lib/arm-rtems/3.2.1/../../../../arm-rtems/bin/ld:
o-optimize/no-dpmem.o: compiled for a big endian system and target is little endian
File in wrong format: failed to merge target specific data of file
o-optimize/no-dpmem.o
collect2: ld returned 1 exit status
gmake[4]: *** [o-optimize/no-dpmem.rel] Error 1
I assume that this means I need to rebuild newlib? At what point in the
configure/make process do I specify that I want big-endian and are there other
defines (-DBIG_ENDIAN???) that I need to specify?
- Charlie
--
Charlie Steaderman
charlies at poliac.com
VP Engineering
Poliac Research Corporation
Phone: 952.707.6245
Cel: 612.242.6364
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