[SeaBIOS] [RFC][PATCH 0/2] Embedded Controller chip emulation

li guang lig.fnst at cn.fujitsu.com
Thu Apr 18 03:20:52 CEST 2013


Oh, No,
that's a private interface for Intel's AMT,
this is a chip embedded in mainboard.

在 2013-04-17三的 11:04 +0200,Fred .写道:
> HECI ?
> http://en.wikipedia.org/wiki/Host_Embedded_Controller_Interface
> 
> 
> 
> On Wed, Apr 17, 2013 at 9:32 AM, li guang <lig.fnst at cn.fujitsu.com>
> wrote:
>         Embedded Controller chip could commonly be found
>         at platforms for laptop, it generally does
>         power management, keyboard and mouse simulation,
>         ACPI defined operation, low-speed devices handling ...
>         It talks with OS via io-port 0x60/0x54, 0x62/0x66,
>         the first pair is for i8042 compatible, the last
>         pair is for ACPI functions.
>         As QEMU has done power management, i8042 emulation,
>         this RFC patch will only focus on ACPI functions.
>         you can find standard description a ACPI SPEC
>         "ACPI Embedded Controller Interface Specification"
>         
>         
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> 
> 





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