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documentation/dev-manual/dev-manual-bsp-appendix.xml: recipes-kernel update

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The section on changing recipes-kernel was way out of date.
I updated all relavent changes.

(From yocto-docs rev: 91538864e6da8c4d0a495e52feafe01ce7afea9d)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2012-04-26 16:04:12 -06:00
committed by Richard Purdie
parent 3f9f899002
commit d5198e605a
1 changed files with 20 additions and 21 deletions
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41
documentation/dev-manual/dev-manual-bsp-appendix.xml
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@@ -422,14 +422,14 @@
Here are the statements:
<literallayout class='monospaced'>
SRCREV_machine_pn-linux-yocto_crownbay ?= \
"2247da9131ea7e46ed4766a69bb1353dba22f873"
"211fc7f4d10ec2b82b424286aabbaff9254b7cbd"
SRCREV_meta_pn-linux-yocto_crownbay ?= \
"d05450e4aef02c1b7137398ab3a9f8f96da74f52"
"514847185c78c07f52e02750fbe0a03ca3a31d8f"
SRCREV_machine_pn-linux-yocto_crownbay-noemgd ?= \
"2247da9131ea7e46ed4766a69bb1353dba22f873"
"211fc7f4d10ec2b82b424286aabbaff9254b7cbd"
SRCREV_meta_pn-linux-yocto_crownbay-noemgd ?= \
"d05450e4aef02c1b7137398ab3a9f8f96da74f52"
"514847185c78c07f52e02750fbe0a03ca3a31d8f"
</literallayout>
</para>
@@ -466,15 +466,13 @@
The meta <filename>SRCREV</filename> isn't specified in this file, so it must be
specified in the base kernel recipe in the
<filename>poky/meta/recipes-kernel/linux/linux-yocto_3.2.bb</filename>
file, in the <filename>SRCREV_meta variable</filename> found there.
It happens to be the same as the value we already inherited from the
<filename>meta-crownbay</filename> BSP.
file, in the <filename>SRCREV_meta</filename> variable found there.
Here are the final <filename>SRCREV</filename> statements:
<literallayout class='monospaced'>
SRCREV_machine_pn-linux-yocto_mymachine ?= \
"1e18e44adbe79b846e382370eb29bc4b8cd5a1a0"
SRCREV_meta_pn-linux-yocto_mymachine ?= \
"d05450e4aef02c1b7137398ab3a9f8f96da74f52"
SRCREV_machine_pn-linux-yocto_mymachine ?= \
"f29531a41df15d74be5ad47d958e4117ca9e489e"
SRCREV_meta_pn-linux-yocto_mymachine ?= \
"b14a08f5c7b469a5077c10942f4e1aec171faa9d"
</literallayout>
</para>
@@ -498,7 +496,7 @@
If you need a little more assistance after going to the link then do the following:
<orderedlist>
<listitem><para>Expand the list of branches by clicking <filename>[…]</filename></para></listitem>
<listitem><para>Click on the <filename>yocto/standard/common-pc/atom-pc</filename>
<listitem><para>Click on the <filename>standard/default/common-pc/atom-pc</filename>
branch</para></listitem>
<listitem><para>Click on the commit column header to view the top commit</para></listitem>
<listitem><para>Copy the commit string for use in the
@@ -515,30 +513,31 @@
<para>
Also in the <filename>linux-yocto_3.2.bbappend</filename> file are
<filename>COMPATIBLE_MACHINE</filename>, <filename>KMACHINE</filename>,
and <filename>KERNEL_FEATURES</filename> statements.
<filename>KBRANCH</filename>, and <filename>KERNEL_FEATURES</filename> statements.
Two sets of these exist: one set supports EMGD and one set does not.
Because we are not interested in supporting EMGD those three can be deleted.
The remaining three must be changed so that <filename>mymachine</filename> replaces
Because we are not interested in supporting EMGD those four can be deleted.
The remaining four must be changed so that <filename>mymachine</filename> replaces
<filename>crownbay-noemgd</filename> and <filename>crownbay</filename>.
Because we are using the atom-pc branch for this new BSP, we can also find
the exact branch we need for the KMACHINE variable in our new BSP from the value
Because we are using the <filename>atom-pc</filename> branch for this new BSP, we can also find
the exact branch we need for the <filename>KMACHINE</filename> variable in our new BSP from the value
we find in the
<filename>poky/meta-yocto/recipes-kernel/linux/linux-yocto_3.2.bbappend</filename>
file we looked at in a previous step.
In this case, the value we want is in the KMACHINE_atom-pc variable in that file.
In this case, the value we want is in the <filename>KMACHINE_atom-pc</filename> variable in that file.
Here is the final <filename>linux-yocto_3.2.bbappend</filename> file after all
the edits:
<literallayout class='monospaced'>
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
COMPATIBLE_MACHINE_mymachine = "mymachine"
KMACHINE_mymachine = "yocto/standard/common-pc/atom-pc"
KMACHINE_mymachine = "atom-pc"
KBRANCH_mymachine = "standard/default/common-pc/atom-pc"
KERNEL_FEATURES_append_mymachine += " cfg/smp.scc"
SRCREV_machine_pn-linux-yocto_mymachine ?= \
"1e18e44adbe79b846e382370eb29bc4b8cd5a1a0"
"f29531a41df15d74be5ad47d958e4117ca9e489e"
SRCREV_meta_pn-linux-yocto_mymachine ?= \
"d05450e4aef02c1b7137398ab3a9f8f96da74f52"
"b14a08f5c7b469a5077c10942f4e1aec171faa9d"
</literallayout>
</para>
</section>