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do_kernel_metadata gathers and sanitizes the meta-data that is used in later steps of the kernel-yocto build process. The processing takes the form of configuration and patch gathering. The current single pass of both config and patch gathering means that patches can't modify in-tree configuration elements (although this makes tracing configuration changes harder, it is a valid workflow). We can divide the routine into a patch and configuration phase, and call the config variant after patching is done. This keeps the common parts of the gahering intact, but allows us flexibilty in when the stages happen. (From OE-Core rev: 004da4c6c6029bb2bdcea6da8afa70368ddd1bca) Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.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.