Openfirmware customisation problem - booting from USB

[Mr fr�ffffffffffe9d�ffffffffffe9ric pouchal]

Hello
I would like to boot OpenFirmware from an USB key so I
changed the file

/openfirmware/cpu/x86/pc/olpc/config.fth

I commented 
\ create rom-loaded

I uncommented 
create syslinux-loaded

but when I do make clean & make I have this error

make[1]: Leaving directory
`/home/firm/openfirmware/clients/memtest86'

./build olpc.rom
--- Rebuilding ec.img
--- Cmd: ${HOSTDIR}/forth
${HOSTDIR}/../build/builder.dic ../ec.bth
--- Rebuilding romreset.di
--- Cmd: ${HOSTDIR}/forth
${HOSTDIR}/../build/builder.dic ../romreset.bth

${BP}/cpu/x86/pc/resetend.fth:35: ResetBase ?
make: *** [olpc.rom] Error 1

Can anyone help me ?

Thanks

Frederic Pouchal


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