This is a tool written in C which does basically the same job
as regtools' headergen_v2, but using a new input format which
is less verbose than XML. In the interests of simplicity it
omits some features that regtools does support, like variant
registers or the SoC selector stuff so it cannot completely
replace regtools on the i.MX platforms that use these features.
RegGen doesn't generate API macros like regtools does; instead
these are expected to be maintained by hand, since it's arguably
easier to do that way.
Since RegGen has no dependencies beyond a C compiler it can
be integrated with the build system without adding any new
build time dependencies. This will allow generating headers
automatically, which is a substantial improvement over running
headergen_v2 by hand and committing the generated output.
The RegGen tool itself is licensed as GPLv3+, but generated
headers can be licensed as the user chooses.
Change-Id: If18f9577f8f4df6e2c97c1665b725773dd5466f0
