On Thu, Apr 28, 2022 at 02:18:54PM +0200, Jinpu Wang wrote: > On Thu, Apr 28, 2022 at 2:05 PM Yang Zhong <yang.zh...@intel.com> wrote: > > > > On Thu, Apr 28, 2022 at 01:59:33PM +0200, Jinpu Wang wrote: > > > Hi Yang, hi Paolo, > > > > > > We noticed sgx-epc machine type is not listed in the output of > > > "qemu-system-x86_64 -M ?", > snip > > > > > > > > > I think this would cause confusion to users, is there a reason behind > > > this? > > > > > > > No specific machine type for SGX, and SGX is only supported in Qemu PC > > and Q35 platform. > Hi Yang, > > Thanks for your quick reply. Sorry for the stupid question. > The information I've got from intel or the help sample from > https://www.qemu.org/docs/master/system/i386/sgx.html, We need to > specify commands something like this to run SGX-EPC guest: > qemu-system-x86-64 -m 2G -nographic -enable-kvm -cpu > host,+sgx-provisionkey -object > memory-backend-epc,id=mem1,size=512M,prealloc=on -M > sgx-epc.0.memdev=mem1,sgx-epc.0.node=0 /tmp/volume-name.img
That isn't an sgx-epc machine type. That is an (implicit) i440fx machine type, with an sgx-epc.0.memdev property being set. With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|