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Qemu

Using `runqemu`

runqemu is a script provided by Yocto, that launches qemu for a specific image.

Running in qemu can be done with

MACHINE=qemux86
runqemu core-image-minimal $MACHINE ext3 qemuparams="-cpu n270"
# Note: runqemu is a script available by sourcing oe-init-build-env
#       qemuparams="-cpu n270" is needed to emulate specific CPU
#       See runqemu $MACHINE qemuparams="-cpu help"

`-cpu n270` Configure the guest CPU to be Intel Atom. `-cpu help` lists available CPUs.

Directly using qemu

Directly booting the kernel

cd $POKY/tmp/deploy/images/$MACHINE
qemu -kernel bzImage $IMAGE-$MACHINE.ext3 -cpu n270

Interesting parameters:

Param	_
`-append`	Kernel command line parameters
`-hda`	Set disk image for sda device.

Booting using target bootloader

You need to generate an image using WIC.

qemu build/*-sda.direct -cpu n270

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