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Power Pc simulator


Hi,
Am trying to work on PPC sim. I have build the simultor from GDB -6.1
And able to work on test files [psim/test/uea/ ] using the simulator.
All are success.
When am trying to work on hello world using eCos am getting errors.
Please help me on this.
here are the steps i followed.

1]Build the template using eCos configtool for the powerpc simulator
and got all the rerequired files like cyg/kernel/kapi.h and targetld.a
2] powerpc-eabi-gcc -g using this , I compiled the helloworld .c
program and got a.out
3]powerpc-eabi-gdb -nw a.out
GNU gdb 5.3 (eCosCentric)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "--host=i686-pc-linux-gnu --target=powerpc-eabi"...
(gdb) target sim
Connected to the simulator.
(gdb) load
(gdb) run
Starting program: /root/download/ecos/ecos/examples/a.out
core_find_mapping() - access to unmaped address, attach a default map
to handle this - addr=0xf000101a nr_bytes=0x1 processor=0x403e3008
cia=0x4548
(gdb)

I have seen some where in the discussion forum that we need to enable
the sim before running by using
http://ecos.sourceware.org/docs-latest/user-guide/setup-ppc-sim.html

but am not able to locate .gdbinit file in my system.
Please help me out.

Thank you,
Sridhar.

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