[okl4-developer] OKL4 3.0: What about hardware drivers?

Geoffrey Lee glee at ok-labs.com
Fri Nov 14 20:22:24 EST 2008


On Thu, Nov 13, 2008 at 05:33:56PM +0100, Robert Wetzel wrote:
> After messing around with the source tarball and failing to get a proper
> 2.1-style build done thanks to a failing elfweaver (exits with EINVAL in
> a seek() operation during a modify & physical+_entry, looked like the
> segment-in-section offset calculation went bonkers) I had a look at what
> is generated for the SDKs / SoC-SDKs. They seem to lack all the drivers
> (or all but serial).
> 
> Is the driver framework going to be scrapped aka SDK users will have to
> define their own "framework" for this?

Hi Robert - The driver framework still exists in the full source form 
in the 3.0 release, in fact we use the drivers for our regression tests.

The infrastructure for writing device drivers when using the SDK
is a bit lacking, which we are aware of.  If you have drivers
which are using the driver framework present in 2.1, one temporary
workaround may be to use OKL4 3.0 in source format, or pull 
in the necessary bits to generate the driver object files.

	-gl


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