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Re: [Qemu-devel] emulate powerpc(mpc8544ds) on x86 architecture


From: Andreas Färber
Subject: Re: [Qemu-devel] emulate powerpc(mpc8544ds) on x86 architecture
Date: Wed, 20 Feb 2013 15:07:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130105 Thunderbird/17.0.2

Hi,

Am 20.02.2013 10:22, schrieb Shi Rong:
> I want to emulate powerpc(mpc8544ds) on x86 architecture, is anybody
> succeed in it?

If you CC Power Architecture questions to qemu-ppc, you have higher
chances of getting replies from the experts.

> My working step:
> about qemu:
> ./configure --cpu=ppc --target-list=ppc-softmmu --enable-fdt
> --enable-kvm --enable-tcg-interpreter --enable-linux-user
> --prefix=/home/shir/install/qemu/
> make
> make install

--cpu=ppc is bogus, just drop it.
Also --enable-tcg-interpreter is unnecessary on x86.

> but everytime I start my qemu-system-ppc,
> qemu-system-ppc -M mpc8544ds -kernel uImage -append "root=/dev/ram
> rdinit=/linuxrc" -initrd initrd -nographic
> I get this error :
> "KVM: Couldn't find level irq capability. Expect the VM to stall at times
> kvm_init_vcpu failed: Cannot allocate memory"

What kernel are you using? Sounds like it is lacking some required feature.

Can't comment on Fedora's KVM support, but it seems irrelevant to your
ppc on x86 issue.

Regards,
Andreas

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