On Thursday 05 June 2008, Josh Boyer wrote: > > Has anyone come across any floating point issues in the new powerpc > > kernel branch with regards to 44x? I'm seeing programs (i.e. > > init/busybox) generating signal 4 (illegal instruction) exceptions. If I > > compile a 2.6.25 kernel with the CONFIG_MATH_EMULATION option set, then > > everything works OK. > > I've not seen that. > > > Using a 440EPx (has a onchip FPU) with the ELDK 4.0 ppc_4xxFP toolchain > > for all apps/kernel/fs. > > 440EPx should get the FPU enabled at runtime. We use a virtual PVR to > do the APU/FPU init. What does your cpu node look like in your DTS > file for your board?
And please use the dtc "-b 0" option for creating the dtb file. Without it the virtual PVR setup doesn't work. Best regards, Stefan ===================================================================== DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [EMAIL PROTECTED] ===================================================================== _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
