191f3a2f0SAlistair FrancisThe QEMU distribution includes both the QEMU emulator and 291f3a2f0SAlistair Francisvarious firmware files. These are separate programs that are 391f3a2f0SAlistair Francisdistributed together for our users' convenience, and they have 491f3a2f0SAlistair Francisseparate licenses. 57c3fc84dSbellard 691f3a2f0SAlistair FrancisThe following points clarify the license of the QEMU emulator: 77c3fc84dSbellard 891f3a2f0SAlistair Francis1) The QEMU emulator as a whole is released under the GNU General 991f3a2f0SAlistair FrancisPublic License, version 2. 1091f3a2f0SAlistair Francis 1191f3a2f0SAlistair Francis2) Parts of the QEMU emulator have specific licenses which are compatible 1291f3a2f0SAlistair Franciswith the GNU General Public License, version 2. Hence each source file 1391f3a2f0SAlistair Franciscontains its own licensing information. Source files with no licensing 1491f3a2f0SAlistair Francisinformation are released under the GNU General Public License, version 1591f3a2f0SAlistair Francis2 or (at your option) any later version. 16b6aaab3bSbellard 178571fa57SPaolo BonziniAs of July 2013, contributions under version 2 of the GNU General Public 188571fa57SPaolo BonziniLicense (and no later version) are only accepted for the following files 19cf7087dbSKim Phillipsor directories: bsd-user/, linux-user/, hw/vfio/, hw/xen/xen_pt*. 207c3fc84dSbellard 21*cb974c95SPeter Maydell3) The Tiny Code Generator (TCG) is mostly under the BSD or MIT licenses; 22*cb974c95SPeter Maydell but some parts may be GPLv2 or other licenses. Again, see the 23*cb974c95SPeter Maydell specific licensing information in each source file. 2457fec1feSbellard 2557fec1feSbellard4) QEMU is a trademark of Fabrice Bellard. 267c3fc84dSbellard 278571fa57SPaolo BonziniFabrice Bellard and the QEMU team 28