audk/OvmfPkg/License.txt

Copyright (c) 2012 - 2019, Intel Corporation. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

Subject to the terms and conditions of this license, each copyright holder
and contributor hereby grants to those receiving rights under this license
a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except for failure to satisfy the conditions of this license) patent
license to make, have made, use, offer to sell, sell, import, and otherwise
transfer this software, where such license applies only to those patent
claims, already acquired or hereafter acquired, licensable by such copyright
holder or contributor that are necessarily infringed by:

(a) their Contribution(s) (the licensed copyrights of copyright holders and
    non-copyrightable additions of contributors, in source or binary form)
    alone; or

(b) combination of their Contribution(s) with the work of authorship to
    which such Contribution(s) was added by such copyright holder or
    contributor, if, at the time the Contribution is added, such addition
    causes such combination to be necessarily infringed. The patent license
    shall not apply to any other combinations which include the
    Contribution.

Except as expressly stated above, no rights or licenses from any copyright
holder or contributor is granted under this license, whether expressly, by
implication, estoppel or otherwise.

DISCLAIMER

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

================================================================================

Some files are subject to the following license, the MIT license. Those files
are located in:
- OvmfPkg/Include/IndustryStandard/Xen/
- OvmfPkg/XenBusDxe/

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.