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Add required variables to generate a qemuboot devicetree for qemuarm.
With this change, Xen and dom0 can be started using runqemu.
Xen is started using qemu kernel argument and the devicetree is modified
to properly boot dom0 (which is loaded in memory).
This is using the same system as qemuarm64.
At this stage dom0 is hanging on PCI device scanning.
This patch is also using qemuarm64 as machine for arm64 bit instead of
aarch64 to allow adding support for other machine (an example a Xilinx
board that can be emulated with using an other xen machine).
Signed-off-by: Bertrand Marquis <bertrand.marquis@arm.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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This reverts commit 1c746a976830ebaf85c7c8c25612bea349b0a7c5.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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The Xen hypervisor built for Arm 32-bit targets can be launched with
runqemu by providing a u-boot script and configuration for Qemu, which
enables interactive testing of Xen images.
Add qemuboot-xen-u-boot.bbclass to add a new bitbake task for generating
the u-boot script. Since this increases the number of qemuboot-specific
classes that are inherited by the xen-image-minimal recipe, change the
inherit of all of these to only apply to qemu machines with the qemuall
override.
Update qemuboot-xen-defaults.bbclass to supply working default
parameters for the qemuarm machine needed to boot successfully in
testing. Also change all the arch-specific variable overrides into
narrower qemu platform overrides instead to avoid unnecessary
interactions with other Arm platform machines.
Signed-off-by: Christopher Clark <christopher.clark@starlab.io>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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The Xen hypervisor built for Arm 64-bit targets can be launched with
runqemu by providing a Device Tree binary and configuration for Qemu,
which enables interactive testing of Xen images.
Add qemuboot-xen-dtb.bbclass to add a new bitbake task for generating
the dtb file by using lopper on a device tree produced by Qemu.
Add qemuboot-xen-defaults.bbclass to supply working default parameters
for the qemuarm64 machine and general support for qemuboot for Xen,
and adjust the defaults as needed to boot successfully in testing.
Development aided by this script by Stewart Hildebrand of DornerWorks:
https://gist.github.com/stewdk/110f43e0cc1d905fc6ed4c7e10d8d35e
Signed-off-by: Christopher Clark <christopher.clark@starlab.io>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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