Avi and Jiri: I implemented emulation of movq(64bit) and movdqa(128 bit). If you guys still need it let me know and I can post somewhere... Wei Xu On 8/31/10 9:30 AM, "Avi Kivity" <avi@xxxxxxxxxx> wrote: > > On 08/31/2010 06:49 PM, Avi Kivity wrote: >> On 08/31/2010 05:32 PM, Jiri Kosina wrote: >>> (qemu) x/5i $eip >>> 0x00000000c027a841: movq (%esi),%mm0 >>> 0x00000000c027a844: movq 0x8(%esi),%mm1 >>> 0x00000000c027a848: movq 0x10(%esi),%mm2 >>> 0x00000000c027a84c: movq 0x18(%esi),%mm3 >>> 0x00000000c027a850: movq %mm0,(%edx) >>> === >>> >>> Is there any issue with emulating MMX? >>> >> >> Yes. MMX is not currently emulated. >> >> If there's a command line option to disable the use of MMX you can try >> it, otherwise wait for it to be implemented (or implement it >> yourself). I'll try to do it for 2.6.37, but can't promise anything. > > You can also run qemu with -cpu qemu32,-mmx. That will expose a cpu > without mmx support; hopefully the guest kernel will see that and avoid > mmx instructions. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
