[syslinux] [PATCH 1/1] : Adding long mode support to dmi

Wed Aug 30 19:45:47 PDT 2006

CPUID level/model/stepping fields would be very useful along with ACPI
type supported by the BIOS.

Particularly for WinPE, where you it would be handy just to have one
menu item that can dynamic choose the right image to load, depending on
ACPI support and CPU.

Rob

-----Original Message-----
From: syslinux-bounces at zytor.com [mailto:syslinux-bounces at zytor.com] On
Behalf Of H. Peter Anvin
Sent: Thursday, 31 August 2006 9:45 AM
To: Erwan Velu
Cc: dscoular at gmail.com; syslinux at zytor.com
Subject: Re: [syslinux] [PATCH 1/1] : Adding long mode support to dmi

Erwan Velu wrote:
>  From : Erwan Velu <erwan.velu at free.fr>
> 
> This patch add the ability to read the long-mode flag from the
processor.
> This helps you to know if the processor is x86_64 capable or not.
> So "dmi->processor.cpu_flags.lm " is a boolean that represent the 
> "Long Mode" cpu flag.
> 

Wouldn't it make more sense to have the whole set of strings for all
CPUs instead of just a limited number?  Also, it might we worthwhile to
have the CPUID level/model/stepping fields available.

	-hpa

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