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Licensing
^^^^^^^^^
This directory contains miscellaneous NuttX add-ons and utilities.
NuttX is retained separately for maintenance and licensing reasons.
NuttX has a BSD-style license. However, the contents of this
directory have have other license restrictions.
The licensing of the components of this directory are summarized
below:
buildroot:
Description: GNU toolchain build environment. Derived from
http://buildroot.uclibc.org/
License: GPLv2
pascal:
Description: Pascal compiler with NuttX runtime add-on.
License: BSD
sims:
Description: This is a repository of instruction set simulators
that were used to verify NuttX. The licensing of the
instruction set simulators vary
sims/z80sim:
You are well comecom to use the source files provided in
this directory for any purpose. However, the core of the Z80
emulation is based on a proprietary-but-free-to-use
instruction set emulator. That emulation is not included
in this directory, but is automatically downloaded when
z80sim is built.
drivers:
Descriptions: This is a folder of drivers that are not included
in the main NuttX source tree due to licensing or other concerns.
Compatibly licensed drivers (BSD or MIT) are included in the main
source tree. These drivers have incompatible licesnes. They
may, as an example, have been leveraged from Linux and, hence,
inherit a GPL license. By installing this driver package you
agree to the licensing terms of the individual drivers.
rtl8187x
This is a USB host driver for the RTL8187x wireless LAN. Some
of the critical logic in this driver derives from Linux and,
hence, is GPLv2.
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