Emergency call at boot time functionality (was Re: Windows CE on freerunner)

[Federico Lorenzi]

On Sat, Aug 23, 2008 at 10:29 AM, Clemens Kirchgatterer
<clemens at 1541.org> wrote:
> Yogiz <yogizz at gmail.com> wrote:
>
>> Everybody has their preferences. I'd really like to see a second small
>> bootable image for just emergency calls so there would be no wait.
>> There's no point in forcing that kind of thing down others' throat but
>> that could be an optional image. If the lock is easy, I have no
>> problem taking it off and dialing 112 in a hurry. I'm more worried
>> about having to wait for my small linux computer to fully boot up
>> while someone is bleeding to death in my arms.
>
> you will need a rather full blown linux image in any case. for making a
> call you need several hardware components (audio, gsm, display, maybe
> gps) up and running so you depend on the kernel drivers AND even some
> higher level userspace apps anyway. better to optimize the initial
> bootup time to a minimum.

IIRC GSM audio can be routed directly through without using the CPU.
Also if you had to program an emergency number before hand, you
wouldn't need the display.