Hi Duarte, On 22/03/15 11:13, Duarte Silva wrote: > Hi guys, > > I have been struggling to get some binaries compiled for NetLogic XLP > processor to run under QEMU. I have tried a bunch of things (most going back > and forth) and always get the following error message: > > qemu: uncaught target signal 4 (Illegal instruction) - core dumped > Illegal instruction > > I tried to debug it using GDB but to no avail. Does anybody have ideas? I'm > running QEMU 2.2.1.
It sounds like the program had an instruction that QEMU doesn't recognise, or doesn't think should be allowed on the current CPU which you've set with -cpu. You might be able to find out what that instruction is by putting this on your qemu command line: -singlestep -d in_asm that will cause it to only translate one instruction at a time, and to dump each one as it is translated. The last one printed will very likely to be the one that is causing the problem. Cheers James
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