error when building psim

[Sebastian Fischmeister]

hello.

  i tried to build psim with rtems-4.6.1 and i get the following error? huh.
does anyone have a clue what cpu model i need to define for the psim?

thanks a lot,
  sebastian



make[5]: Entering directory
`/tmp/rbuild/rtems/powerpc-eabi/c/psim/exec/score'
powerpc-eabi-gcc --pipe -DHAVE_CONFIG_H   -isystem
../../../../psim/lib/include -D__RTEMS_INSIDE__     -myellowknife -Wall
-ansi -fasm  -o o-optimize/apiext.o -c
/data/rt/src/rtems-4.6.1/c/src/../../cpukit/score/src/apiext.c
In file included from ../../../../psim/lib/include/rtems/score/cpu.h:8,
                 from ../../../../psim/lib/include/rtems/system.h:146,
                 from
/data/rt/src/rtems-4.6.1/c/src/../../cpukit/score/src/apiext.c:16:
../../../../psim/lib/include/rtems/score/ppc.h:280:2: #error "Unsupported
CPU Model"