diff options
| author | Scott Rifenbark <scott.m.rifenbark@intel.com> | 2014-04-08 09:01:45 -0700 |
|---|---|---|
| committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2014-04-11 18:22:48 +0100 |
| commit | ae64c92afcd611441bcc9ce640a7ff90e55e17b2 (patch) | |
| tree | 5d9c24a50d87cbcfa00139ac0be7d6d227e4578f | |
| parent | 96804537987a3ffde0bd2b6f95325755511e9ad8 (diff) | |
| download | ast2050-yocto-poky-ae64c92afcd611441bcc9ce640a7ff90e55e17b2.zip ast2050-yocto-poky-ae64c92afcd611441bcc9ce640a7ff90e55e17b2.tar.gz | |
ref-manual: Added DISK_SIGNATURE variable description to glossary.
Fixes [YOCTO #6125]
(From yocto-docs rev: 5ee5433cc7799a240dd18aa20ce44b3ae978b592)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
| -rw-r--r-- | documentation/ref-manual/ref-variables.xml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index 258ae2c..03d2034 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml @@ -1609,6 +1609,40 @@ </glossdef> </glossentry> + <glossentry id='var-DISK_SIGNATURE'><glossterm>DISK_SIGNATURE</glossterm> + <glossdef> + <para> + Automatically generated random signature that allows the + OpenEmbedded build system to create a boot + loader configuration. + <filename>DISK_SIGNATURE</filename> is different each time + a <filename>directdisk</filename> image is built. + <note> + The "live" option used with + <link linkend='var-IMAGE_FSTYPES'><filename>IMAGE_FSTYPES</filename></link> + produces an image file that can be copied directly to + a CD or USB device and run as is. + </note> + The auto-generated <filename>DISK_SIGNATURE</filename> sets + <filename>SYSLINUX_ROOT</filename> as follows: + <literallayout class='monospaced'> + SYSLINUX_ROOT = "root=PARTUUID=${DISK_SIGNATURE}-02" + </literallayout> + </para> + + <para> + It is possible to set the + <filename>DISK_SIGNATURE</filename> variable in your + <filename>local.conf</filename> file to a fixed + value if you do not want <filename>syslinux.cfg</filename> + changing for each build. + You might find this useful when you want to upgrade the + root filesystem on a device without having to recreate or + modify the master boot record. + </para> + </glossdef> + </glossentry> + <glossentry id='var-DISTRO'><glossterm>DISTRO</glossterm> <glossdef> <para> |
