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INITRD var: make it a list of filesystem images

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The initrd image used by the Linux kernel is list of file system images
concatenated together and presented as a single initrd file at boot time.

So far the initrd is a single filesystem image. But in cases like to support
early microcode loading, the initrd image need to have multiple filesystem
images concatenated together.

This commit is extending the INITRD variable from a single filesystem image
to a list of filesystem images to satisfy the need mentioned above.

(From OE-Core rev: b0ac481dda99d8f4be8015964fcb2cb01afce08c)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Nitin A Kamble
2014-07-29 11:34:45 -07:00
committed by Richard Purdie
parent 463c9f4d3a
commit 3b19f90bdf
5 changed files with 35 additions and 11 deletions
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2
meta/classes/syslinux.bbclass
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@@ -5,7 +5,7 @@
# Provide syslinux specific functions for building bootable images.
# External variables
# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
# ${INITRD} - indicates a list of filesystem images to concatenate and use as an initrd (optional)
# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
# ${AUTO_SYSLINUXMENU} - set this to 1 to enable creating an automatic menu
# ${LABELS} - a list of targets for the automatic config