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[Xen-users] How to boot domU and dom0 from a device tree
- To: xen-users@xxxxxxxxxxxxxxxxxxxx, Julien Grall <julien.grall@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Iain Hunter <drhunter95@xxxxxxxxx>, Hunyue Yau <hy-gsoc@xxxxxxxxxxxxxxx>
- From: Denis Obrezkov <denisobrezkov@xxxxxxxxx>
- Date: Mon, 10 Jun 2019 12:09:12 +0200
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- Delivery-date: Mon, 10 Jun 2019 10:10:33 +0000
- List-id: Xen user discussion <xen-users.lists.xenproject.org>
- Openpgp: preference=signencrypt
Hello,
I am trying to boot domU from a device tree. I want to use the same
ramdisk and kernel image as for dom0. These are my u-boot commands:
fdt addr 0x44000000
fdt resize
fdt set /chosen \#address-cells <1>
fdt set /chosen \#size-cells <1>
fdt mknod /chosen module@0
fdt set /chosen/module@0 compatible "xen,linux-zimage"
"xen,multiboot-module"
fdt set /chosen/module@0 reg <0x47000000 0x7cc561>
fdt set /chosen/module@0 bootargs "rw root=/dev/ram rdinit=/sbin/init
earlyprintk=serial,ttyAMA0 console=hvc0 earlycon=xenboot"
fdt mknod /chosen module@1
fdt set /chosen/module@1 compatible "xen,linux-initrd"
"xen,multiboot-module"
fdt set /chosen/module@1 reg <0x42000000 0x11b680>
fdt mknod /chosen domU1
fdt set /chosen/domU1 compatible "xen,domain"
fdt set /chosen/domU1 \#address-cells <1>
fdt set /chosen/domU1 \#size-cells <1>
fdt mknod /chosen/domU1 module@0
fdt set /chosen/domU1/module@0 compatible "xen,linux-zimage"
"xen,multiboot-module"
fdt set /chosen/domU1/module@0 reg <0x47000000 0x7cc561>
fdt set /chosen/domU1/module@0 bootargs "rw root=/dev/ram
rdinit=/sbin/init console=hvc0 earlycon=xenboot"
fdt mknod /chosen/domU1 module@1
fdt set /chosen/domU1/module@1 compatible "xen,linux-initrd"
"xen,multiboot-module"
fdt set /chosen/domU1/module@1 reg <0x42000000 0x11b680>
booti 0x49000000 - 0x44000000
I got:
....
(XEN) *** LOADING DOMAIN 0 ***
(XEN) Missing kernel boot module?
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Could not set up DOM0 guest OS
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...
I wasn't able to find instructions on how to run domU and dom0 images
simultaneously.
--
Regards, Denis Obrezkov
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