Hi, Andrew:
Thanks a lot.

best wishes,
-----邮件原件-----
发件人: [email protected] [mailto:[email protected]]
发送时间: 2017年9月1日 2:47
收件人: Tiger Liu
抄送: [email protected]
主题: Re: [edk2] [EDK2] Questions about uefi bios's vga mode


> On Aug 31, 2017, at 2:08 AM, Tiger Liu <[email protected]> wrote:
>
> Hi, experts:
> I have a question about uefi bios’s vga mode.
> Could we use VGA’s text mode to boot into uefi shell environment?
>
> It seems vga class driver/mini port driver could support VGA’s text mode.
>

Tiger,

You can always write a driver to produce the SipleTextOut protocol directly to 
produce a console on an arbitrary device. Duet may already have something 
close, I can't remember?

> It seems gop driver support graphic mode.
>

Yes GOP is a graphics abstraction, and the ROM carries the the code to produce 
SimpleTextout on top of GOP.

> Thanks
>
>
> 保密声明:
> 本邮件含有保密或专有信息,仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。
> CONFIDENTIAL NOTE:
> This email contains confidential or legally privileged information and is for 
> the sole use of its intended recipient. Any unauthorized review, use, copying 
> or forwarding of this email or the content of this email is strictly 
> prohibited.
> _______________________________________________
> edk2-devel mailing list
> [email protected]
> https://lists.01.org/mailman/listinfo/edk2-devel



保密声明:
本邮件含有保密或专有信息,仅供指定收件人使用。严禁对本邮件或其内容做任何未经授权的查阅、使用、复制或转发。
CONFIDENTIAL NOTE:
This email contains confidential or legally privileged information and is for 
the sole use of its intended recipient. Any unauthorized review, use, copying 
or forwarding of this email or the content of this email is strictly prohibited.
_______________________________________________
edk2-devel mailing list
[email protected]
https://lists.01.org/mailman/listinfo/edk2-devel

Reply via email to