Re: [Qemu-devel] [5319] Add Atom (x86) cpu identification.

[Alexander Graf]

On 25.09.2008, at 20:31, Andrzej Zaborowski wrote:

> Revision: 5319
>          http://svn.sv.gnu.org/viewvc/? 
> view=rev&root=qemu&revision=5319
> Author:   balrog
> Date:     2008-09-25 18:31:12 +0000 (Thu, 25 Sep 2008)
>
> Log Message:
> -----------
> Add Atom (x86) cpu identification.
>
> Also add SSSE3 to Core2 features.
>
> Modified Paths:
> --------------
>    trunk/target-i386/helper.c
>
> Modified: trunk/target-i386/helper.c
> ===================================================================
> --- trunk/target-i386/helper.c  2008-09-25 18:16:18 UTC (rev 5318)
> +++ trunk/target-i386/helper.c  2008-09-25 18:31:12 UTC (rev 5319)
> @@ -174,11 +174,11 @@
>         .stepping = 11,
>         /* the original CPU does have many more features that are
>          * not implemented yet */
> -        .features = PPRO_FEATURES |
> +        .features = PPRO_FEATURES |
>             CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
>             CPUID_PSE36,
> -        .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
> -        .ext2_features = (PPRO_FEATURES & 0x0183F3FF) |
> +        .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR |  
> CPUID_EXT_SSSE3,
> +        .ext2_features = (PPRO_FEATURES & 0x0183F3FF) |
>             CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
>         .xlevel = 0x8000000A,
>         .model_id = "Intel(R) Core(TM)2 Duo CPU     T7700  @ 2.40GHz",
> @@ -246,6 +246,27 @@
>         /* XXX: put another string ? */
>         .model_id = "QEMU Virtual CPU version " QEMU_VERSION,
>     },
> +    {
> +        .name = "atom",

Wouldn't it be good to call it N270? Atom is a series of CPUs from  
Intel that contain very different CPU features. More expensive ones  
for example do support VMX, while that first cheap one does not.

Alex