Re: [Qemu-devel] [PATCH 4/7] move CPU models from cpus-x86_64.conf to C

["Andreas Färber" <afaerber@suse.de>]

Am 10.09.2012 16:50, schrieb Don Slutz:
> On 09/10/12 09:04, Igor Mammedov wrote:
>> But question unrelated to this patch is still stand if ia64 is valid
>> bit for
>> 01.EDX[30]?
>>
>>
> Intel® Processor Identification
> and the CPUID Instruction
> Application Note 485
> January 2006
> 
> Order Number: 241618-030
> 
> ...
> 
> Updated Table 3-5 to include the feature flag definition (EDX[30]) for
> IA64 capabilities.
> ...
> 30 IA64 IA64 Capabilities The processor is a member of the Intel®
> Itanium® processor family
>                            and currently operating in IA32 emulation mode.
> 
> ---------------
> 
> Says that it is. Along with http://en.wikipedia.org/wiki/CPUID and
> http://www.sandpile.org/x86/cpuid.htm#level_0000_0001h (IA-64)

Don't those semantics contradict the use in qemu-system-x86_64 or
qemu-system-i386 rather than qemu-system-ia64 then? We don't model ia64
CPUs here (just like we don't model ppc64 CPUs in ppc) so the flag could
never become 1 IIUC.

Andreas

> But the newest version I found (241618-037, January 2011) is back to
> Reserved.
> 
> 
>    -Don Slutz

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