[Buildroot] Illegal Instruction in arm buildroot
Michael Trimarchi
trimarchimichael at yahoo.it
Thu Nov 15 14:09:13 UTC 2007
Hi,
>I have searched the config files for soft_float options, but the only
>section that provides that is on the external_toolchain
>happycactus at cammello:~/buildroot> grep SOFT_FLOAT */*/Config.in
>toolchain/external-toolchain/Config.in:config BR2_SOFT_FLOAT
double a;
...
a = 1.40;
a = a / 23;
If the cpu doesn't provide an fpu unit, you must add the soft float emulation
in your kernel config e/o in your toolchain.
Kernel just resolve the illegal instruction using a soft float unit.
Regards michael
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