RE: [Bochs-developers] [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS

[Stanislav]

What is the catchall emulation ? Could you explain/point me some docs ?

Thanks,
Stanislav

-----Original Message-----
From: Carl-Daniel Hailfinger [mailto:address@hidden 
Sent: Thursday, November 27, 2008 9:08 PM
To: address@hidden
Cc: address@hidden
Subject: Re: [Bochs-developers] [Qemu-devel] [PATCH v5 0/5] Support for S3
ACPI state (suspend to memory) in BIOS

On 27.11.2008 19:59, Stanislav wrote:
> In Bochs CPU doesn't have a cache memory emulated to use it as RAM but it
is
> still possible to emulate cache-as-ram mode.
> The problem that cache-as-ram mode is very very very processor specific
and
> implementation of it might be different between Intel and AMD for example.
> Which one to pick up ?
>   

I have worked on Intel, AMD and VIA implementations for Cache-as-RAM.
Avi Kivity suggested a simple algorithm which is a catchall for Intel
586, Intel Core 2 Duo, AMD K8, AMD K10 and VIA C7.

> Or might be better to invent some other mode especially for emulation
> reasons ?
>   

With the catchall emulation, inventing a special mode should be unneeded.

Regards,
Carl-Daniel

-- 
http://www.hailfinger.org/


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