Bruce Ashfield 0f9ce18071 kern-tools: add dropped options to audit output
The rewrite of the configuration audit code dropped the ability to
generate warnings for configuration options that didn't make it into
the final .config.

We integrated the following commit to restore those warnings:

    symbol_why: classify based on config.queue hints

    The config.queue has typing hints inline with each fragment,
    we should be using them to further classify the options, and
    not only relying on the special hardware.cfg, etc, files that
    are part of the meta data

    We also should be checking for options that were set to a
    non 'no' value, and that don't make it into the final .config,
    since without that check it means we are missing some warnings.

(From OE-Core rev: f5e8a8c52386317607e333e55f710bf0393186c8)

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-04-21 22:43:58 +01:00

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.
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