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Richard Purdie d18003726f runqemu: Add workaround for APIC hang on pre 4.15 kernels on qemux86
On pre 4.15 host kernels, an APIC window emulation bug can cause qemu
to hang. On 64 bit we can use the x2apic, for 32 bit, we just have to
disable the other timer sources and rely on kvm-clock.

[YOCTO #12301]

(From OE-Core rev: 82e67b82ea8e12aa0b7b9db1d84fec0436dec71b)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2018-01-02 17:24:39 +00:00
2016-03-26 08:06:58 +00:00
2014-01-02 12:58:54 +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.
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