> 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 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
