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ref-manual: Updated KBRANCH variable description

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The description had gone stale and was referencing a linux
yocto kernel we don't support and BSPs we don't support.  Updated
it.

(From yocto-docs rev: 5041a2a26d703a885437abcedb24c7600d5365cd)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2017-10-02 12:32:21 -07:00
committed by Richard Purdie
parent bace1910d9
commit 94e71dea32
1 changed files with 23 additions and 18 deletions
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41
documentation/ref-manual/ref-variables.xml
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@@ -6992,12 +6992,13 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
<para>
Values for this variable are set in the kernel's recipe
file and the kernel's append file.
For example, if you are using the Yocto Project kernel that
is based on the Linux 3.14 kernel, the kernel recipe file
is the
<filename>meta/recipes-kernel/linux/linux-yocto_3.14.bb</filename>
For example, if you are using the
<filename>linux-yocto_4.12</filename> kernel, the kernel
recipe file is the
<filename>meta/recipes-kernel/linux/linux-yocto_4.12.bb</filename>
file.
Following is an example for a kernel recipe file:
<filename>KBRANCH</filename> is set as follows in that
kernel recipe file:
<literallayout class='monospaced'>
KBRANCH ?= "standard/base"
</literallayout>
@@ -7007,21 +7008,25 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
This variable is also used from the kernel's append file
to identify the kernel branch specific to a particular
machine or target hardware.
The kernel's append file is located in the BSP layer for
a given machine.
For example, the kernel append file for the Emenlow BSP is in the
<filename>meta-intel</filename> Git repository and is named
<filename>meta-emenlow/recipes-kernel/linux/linux-yocto_3.14.bbappend</filename>.
Here are the related statements from the append file:
Continuing with the previous kernel example, the kernel's
append file (i.e.
<filename>linux-yocto_4.12.bbappend</filename>) is located
in the BSP layer for a given machine.
For example, the append file for the Beaglebone,
EdgeRouter, and generic versions of both 32 and 64-bit IA
machines (<filename>meta-yocto-bsp</filename>) is named
<filename>meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.12.bbappend</filename>.
Here are the related statements from that append file:
<literallayout class='monospaced'>
COMPATIBLE_MACHINE_emenlow-noemgd = "emenlow-noemgd"
KMACHINE_emenlow-noemgd = "emenlow"
KBRANCH_emenlow-noemgd = "standard/base"
KERNEL_FEATURES_append_emenlow-noemgd = " features/drm-gma500/drm-gma500.scc"
KBRANCH_genericx86 = "standard/base"
KBRANCH_genericx86-64 = "standard/base"
KBRANCH_edgerouter = "standard/edgerouter"
KBRANCH_beaglebone = "standard/beaglebone"
KBRANCH_mpc8315e-rdb = "standard/fsl-mpc8315e-rdb"
</literallayout>
The <filename>KBRANCH</filename> statement identifies
the kernel branch to use when building for the Emenlow
BSP.
The <filename>KBRANCH</filename> statements identify
the kernel branch to use when building for each
supported BSP.
</para>
</glossdef>
</glossentry>