From: Matt Fleming <matt.fleming@intel.com>
To: Shea Levy <shea@shealevy.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: EFI Boot Stub Early Console
Date: Sun, 18 Mar 2012 11:21:41 +0000 [thread overview]
Message-ID: <1332069701.4041.42.camel@mfleming-mobl1.ger.corp.intel.com> (raw)
In-Reply-To: <4F648DD3.3000405@shealevy.com>
On Sat, 2012-03-17 at 09:12 -0400, Shea Levy wrote:
> On 3/12/12 6:23 PM, H. Peter Anvin wrote:
> > I don't think anyone has implemented an EFI earlyconsole yet
>
> I'm considering taking a shot at this. Do you have any pointers about
> where to look or how to approach it? Will I have to use UGA/GOP or is
> there some way to take advantage of the text console after
> exit_boot_services?
I don't think you'll need to use the graphics protocols, you should just
be able to put something together using the 'output_string' function
from the EFI simple text output protocol, e.g. something like this,
https://lkml.org/lkml/2012/3/16/193
next prev parent reply other threads:[~2012-03-18 11:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-12 18:56 Shea Levy
2012-03-12 19:00 ` Shea Levy
2012-03-12 22:11 ` H. Peter Anvin
2012-03-12 22:18 ` Shea Levy
2012-03-12 22:23 ` H. Peter Anvin
2012-03-12 22:28 ` Shea Levy
2012-03-17 13:12 ` Shea Levy
2012-03-18 11:21 ` Matt Fleming [this message]
2012-03-18 12:10 ` Shea Levy
2012-03-19 8:47 ` Matt Fleming
2012-03-19 15:56 ` Alan Cox
2012-03-19 16:02 ` Shea Levy
2012-03-19 16:03 ` Matt Fleming
2012-03-20 15:45 ` Maarten Lankhorst
2012-03-20 16:43 ` H. Peter Anvin
[not found] ` <CAOhV88Om7hKHeaGNp-PtFkn=y0T9EBQCbPSBE58vOYQ2+Genew@mail.gmail.com>
2012-03-18 4:29 ` Shea Levy
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