Re: [Qemu-devel] [PATCH][RFC v2 3/7] vl: create power chip device

[Anthony Liguori]

Paolo Bonzini <address@hidden> writes:

> Il 10/04/2013 15:41, guang li ha scritto:
>> Yes, you're right.
>> The motivation is I want to implement a device
>> called EC which is a notion from laptop for QEMU,
>> EC has some main functions, like keyboard, mouse,
>> low-speed device control(I2C), special ACPI space,
>>  i8042 and ps2 mouse has been done,  power control
>> was left, so I tried to add this.
>
> Do you have a datasheet?  Have you looked at hw/acpi/?

http://www.coreboot.org/Embedded_controller

Has more than you probably ever wanted to know about ECs.

I don't see much reason to model an EC in QEMU.  It's only visible to
firmware (at least on the PC) so there's little benefit to modeling.

Regards,

Anthony Liguori

>
> Paolo