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For some filesystems, such as aufs which may be used by docker container, don't support either the SEEK_DATA/HOLE or FIEMAP to get the block map. So add a FileNobmap class to fall back to standard copy when there is no way to get the block map. [Yocto #12988] (From OE-Core rev: 66f9db48bb9d59f08492f0515bc08b6b039aa03f) Signed-off-by: Kevin Hao <kexin.hao@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> (cherry picked from commit 7934ed49179242f15b413c0275040a3bb6b68876) Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.