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On Tuesday 01 October 2002 04:05 pm, mwette@grover.jpl.nasa.gov wrote: > Hello. I am working powerpc-eabi with gcc-2.95.3, binutils-2.12.1, > gdb-5.2, newlib-1.10.0 on SuSE 7.2. I have been working successfully > with "-e bug", the MOTBUG OEA environment. I now want to progress > to a custom environment, starting with the "com" device. When I run > a sample program I get the following error: > > $ powerpc-eabi-run -f tree.kos5b load5 > core_find_mapping() - access to unmaped address, > attach a default map to handle this > - addr=0xf0003005 nr_bytes=0x1 processor=0x40141008 cia=0x57c0 > > The file tree.kos5b (with some cruft from trial-n-error) is ... > > /#address-cells 2 > /cpus/cpu@0 > /openprom/options > ./oea-memory-size 0x400000 > /memory@0/available 0 0x400000 > /memory@0/reg 0 0x400000 > /chosen > /packages > /iobus@0xf0000000 > /iobus@0xf0000000/reg 0xf0000000 0x01000000 > /iobus@0xf0000000/com@0xf0004000/reg 0xf0004000 8 > /iobus@0xf0000000/com@0xf0004000 > 0 int /cpus/cpu@0x0 > > My guess is that I need to add memory map for the iobus. > If this is this right, how do I do it? > If not, what do I need to do? > > Any help would be appreciated. > > Thanks, > Matt Look in the PSIM tests archive for example device trees: ftp://sources.redhat.com/pub/psim/psim-test-1998-11-20.tar.gz The tree used for the com device test is: /#address-cells 1 /cpus/cpu@0 /iobus@0xf0000000/com@0xf0004000/reg 0xf0004000 8 /iobus@0xf0000000/com@0xf0004000/input-file cat.c /iobus@0xf0000000/com@0xf0004000/input-delay 100 /iobus@0xf0000000/com@0xf0004000 > 0 int /cpus/cpu@0x0 ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
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