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author | Ian Campbell <ian.campbell@citrix.com> | 2013-02-18 15:20:34 +0000 |
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committer | Ian Campbell <ian.campbell@citrix.com> | 2013-03-13 10:56:56 +0000 |
commit | c8bcb5723355772ca8e20382c559c6b19f639245 (patch) | |
tree | b694a3e343fb27b5b7a4c8de34089f5c131cd6a6 /docs | |
parent | 0c46b4ce85516e208f587fe518dad24156d84ac2 (diff) | |
download | xen-c8bcb5723355772ca8e20382c559c6b19f639245.tar.gz xen-c8bcb5723355772ca8e20382c559c6b19f639245.tar.bz2 xen-c8bcb5723355772ca8e20382c559c6b19f639245.zip |
xen: arm: parse modules from DT during early boot.
The bootloader should populate /chosen/modules/module@<N>/ for each
module it wishes to pass to the hypervisor. The content of these nodes
is described in docs/misc/arm/device-tree/booting.txt
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'docs')
-rw-r--r-- | docs/misc/arm/device-tree/booting.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/docs/misc/arm/device-tree/booting.txt b/docs/misc/arm/device-tree/booting.txt new file mode 100644 index 0000000000..94cd3f18a4 --- /dev/null +++ b/docs/misc/arm/device-tree/booting.txt @@ -0,0 +1,25 @@ +Xen is passed the dom0 kernel and initrd via a reference in the /chosen +node of the device tree. + +Each node has the form /chosen/modules/module@<N> and contains the following +properties: + +- compatible + + Must be: + + "xen,<type>", "xen,multiboot-module" + + where <type> must be one of: + + - "linux-zimage" -- the dom0 kernel + - "linux-initrd" -- the dom0 ramdisk + +- reg + + Specifies the physical address of the module in RAM and the + length of the module. + +- bootargs (optional) + + Command line associated with this module |