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Re: PC RedBoot changes
- To: "Trenton D. Adams" <trent dot nospam at telusplanet dot net>
- Subject: Re: [ECOS] PC RedBoot changes
- From: Gary Thomas <gthomas at redhat dot com>
- Date: 05 Nov 2001 08:13:43 +0900
- Cc: eCos Discussion <ecos-discuss at sources dot redhat dot com>
- References: <000001c16561$dff62c50$0307a8c0@TRINITY>
On Mon, 2001-11-05 at 03:52, Trenton D. Adams wrote:
> I got a little bored this weekend so I figured I'd add a couple things
> to the PC redboot for fun.
>
> I added Ctrl-Alt-Del support to redboot for the PC as well as an updated
> scan code table for keypad support. One thing I don't understand
> though, is why a scan code of 0x4e makes the system freeze rather than
> put a '+' on the screen like it's supposed to. 0x4e is the scan code of
> the '+' on the keypad.
>
> I was going to make Ctrl-Alt-Del do a warm boot rather than a cold boot,
> but I figured no one would care.
The '+' character is used in the GDB protocol. RedBoot will switch
to GDB protocol any time it sees a '+' or '$' character which have
not been immediately escaped. i.e. if you need to type '+' or '$'
and not have GDB stubs started, type '\+' or '\$'