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Re: Using GRUB2 with CoreBoot (formerly known as LinuxBIOS) 2/4: Keyboar
From: |
Robert Millan |
Subject: |
Re: Using GRUB2 with CoreBoot (formerly known as LinuxBIOS) 2/4: Keyboard controller |
Date: |
Tue, 15 Jan 2008 19:06:25 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Sat, Jan 12, 2008 at 05:53:42PM +0000, Patrick Georgi wrote:
> Hi,
>
> second installement of my mini-series:
>
> The AT keyboard driver assumes that the keyboard is set to scancode set
> #1. It seems like many keyboards use set #2 (or even #3) by default now,
> and some 8042-emulating chipsets don't enable translation (to #1) by
> default. The BIOS then enables it to support the legacy compatibility the
> PC architecture is famous for - but CoreBoot doesn't.
>
> http://osdever.net/ has some information on programming the 8042 (without
> BIOS calls), incl. how to configure the scancode set you want to have.
>
> Also, 0x01 is the scancode for ESC. I didn't look if there's a special
> case for escapes, but a simple "\e" instead of "\0" at that code point
> might help.
Is there a way to reproduce this problem without specific hardware? (with
qemu or so)
--
Robert Millan
<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call, if you are unable to speak?
(as seen on /.)