[syslinux] i2c bus access

[Jeffrey Hutzelman]

On Thu, 2014-02-27 at 11:49 -0800, H. Peter Anvin wrote:
> On 02/27/2014 07:51 AM, João Henrique Freitas wrote:
> > Hi,
> > 
> > I have a particular situation that syslinux could access a i2c bus to get
> > some data from specific device that my hardware has. Based on these data,
> > syslinux should or not to boot.
> > 
> > It's feasible to create some i2c infraestructure to syslinux access i2c
> > bus? It could be used to something more than only my needs?
> > 
> > I digged in gpxe code and it has code to provide some i2c functionality.
> > 
> 
> I2C can be provided through an almost infinite number of controllers,
> and building an I2C subsystem in Syslinux would be a good step toward
> making it a fullblown operating system.  Since we haven't had that
> request before, I would just do an ad hoc implementation for your needs
> at this time.

Really, you should add a preemptive scheduler and protected-mode virtual
memory management, and then we can do away with the need for the whole
"Linux" part. :-)

-- Jeff