kernel init exception
wilbur512 at gmail.com
Thu Jul 1 10:10:39 EST 2010
2010/7/1 Segher Boessenkool <segher at kernel.crashing.org>:
>> Maybe it was caused by floating exception.I found that,system received
>> a program check exception,the reason for it was REASON_ILLEGAL.
>> I also use show_regs to print the NIP in exception,it seemed that
>> ,this exception was caused by 'vmhaddshs' instruction in user mode of
>> init process .
>> Is vmhaddshs avaliable on e500mc? My cross compile tool is
> This isn't vmhaddshs (which is an AltiVec instruction), but something else
> that also uses primary opcode 4.
> It sounds like your toolchain isn't set up correctly for e500mc.
I 've used cross_tool (powerpc_mc) that freescale provided, to
compile the kernel image, and
use an ordinary powerpc cross tool to compile busybox into cpio ramdisk.
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