Thank you Stefan,
I am able to silent this error message and got the understanding of config
file.
Regards
Chirag Garg
IIT Madras , Rise Lab
On Wed, Feb 11, 2015 at 4:12 PM, Stefan Kalkowski <
stefan.kalkow...@genode-labs.com> wrote:
> Hi,
>
> On 02/04/2015 01:19 PM, chirag garg wrote:
> > Hi all,
> >
> > I was trying to understand the flow of framebuffer flow for given imx53
> > code in the following directory
> > repos/os/src/drivers/framebuffer/imx53/main.cc
> >
> > In the main function, one static variable "session_component" has been
> > created which uses the "config_attribute" function defined in line
> > number 115 which expect a config file in build process.
> >
> > What is the need of this config file with respect to framebuffer and
> > where should i found this config file in the repository because when i
> > run the framebuffer script it is not able to open config file?
>
> The config file's content of a framebuffer driver is dependent on the
> actual driver. For some drivers you can specify the resolution for
> instance. The framebuffer driver for the i.MX53 used the config file to
> determine, whether it has to buffer write attempts of the client, or if
> the client directly writes to the framebuffer itself. A corresponding
> configuration looks like the following:
>
> <config buffered="yes"/>
>
> The configuration is optional, you see the try-catch clause around the
> config file access. If there is no config file for the driver available,
> it uses a default value (not buffered).
>
> Configuration files for Genode components are typically part of the
> whole system configuration delivered to the first init process of the
> system. Such configurations can be found in the different run-scripts of
> the Genode repositories. Have a look at the preliminary version of the
> Genode manual section 6:
>
>
>
> http://genode.org/files/e01096b9ffe3f416157f6ec46c467725/manual-2015-01-23.pdf
>
> Regards
> Stefan
>
> >
> > Regards
> >
> > Chirag Garg
> > IIT Madras , Rise Lab
> >
> >
> >
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>
> --
> Stefan Kalkowski
> Genode Labs
>
> http://www.genode-labs.com/ ยท http://genode.org/
>
>
> ------------------------------------------------------------------------------
> Dive into the World of Parallel Programming. The Go Parallel Website,
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> your
> hub for all things parallel software development, from weekly thought
> leadership blogs to news, videos, case studies, tutorials and more. Take a
> look and join the conversation now. http://goparallel.sourceforge.net/
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------------------------------------------------------------------------------
Dive into the World of Parallel Programming. The Go Parallel Website,
sponsored by Intel and developed in partnership with Slashdot Media, is your
hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net/
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