Alexander Kanavin e146653c21 scripts/runqemu: allocate unfsd ports in a way that doesn't race or clash with unrelated processes
There is already a neat check_free_port() function for finding an available port
atomically, so use that and make two additional tweaks:

- no need to allocate two separate ports; per unfsd documentation they can be the same

- move lockfile release until after unfsd has been shut down and the port(s) used has been freed

[YOCTO #15077]

(From OE-Core rev: 816d12f125974fc064d17c735b7769f7a9744597)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit dee96e82fb04ea99ecd6c25513c7bd368df3bd37)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
2023-07-12 05:13:59 -10:00
2023-07-12 05:13:59 -10:00
2021-12-08 20:28:01 +00:00

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.
Description
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Readme 251 MiB