[yocto] Custom kernel in Yocto/dylan branch.

[Javi Roman]

With

SRC_URI_append = "file://defconfig"


Javi Roman


On Tue, Jun 11, 2013 at 4:23 PM, Bruce Ashfield
<bruce.ashfield at windriver.com> wrote:
> On 13-06-11 10:18 AM, Javi Roman wrote:
>>
>> Hi!
>>
>>
>> I few years ago I used to work with OpenEmbedded (the classical
>> branch). The addition of new kernel recipes was easy for me,
>> nevertheless I'm unable to do similar things with the current
>> Yocto-dylan branch.
>>
>> The current Yocto-dylan is based on Linux kernel 3.x branches, all the
>> documentation regarding add custom kernels or new kernel features are
>> based on those 3.x branches. However, I would like to use a 2.6.32
>> Linux kernel (it's a constraint for my project).
>>
>> I'm using the following kernel recipe in my bsp:
>>
>> linux/
>>        linux-yocto-abacus/
>>                   defconfig
>>         linux-yocto-abacus_2.6.32.bb
>>
>> #####  linux-yocto-abacus_2.6.32.bb ####
>>
>> inherit kernel
>> require recipes-kernel/linux/linux-yocto.inc
>>
>> INHIBIT_PACKAGE_DEBUG_SPLIT =3D "1"
>>
>> FILESEXTRAPATHS_prepend :=3D "${THISDIR}/${PN}:"
>> SRC_URI_append =3D "file://defconfig"
>>
>> PROVIDES =3D "virtual/kernel"
>>
>> SRC_URI =3D
>> "git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.g=
>> it;protocol=3Dgit;nocheckout=3D1"
>>
>> LINUX_VERSION =3D "2.6.32"
>> LINUX_VERSION_EXTENSION =3D "-abacus"
>>
>> # tag: v3.4    76e10d158efb6d4516018846f60c2ab5501900bc
>> # tag: v2.6.32 459b3d520991ec1b8e5ba68fbc4b206d602fee6e
>> SRCREV=3D"459b3d520991ec1b8e5ba68fbc4b206d602fee6e"
>>
>> PR =3D "r1"
>> PV =3D "${LINUX_VERSION}+git${SRCPV}"
>>
>> COMPATIBLE_MACHINE =3D "romley"
>>
>> ############ end ###################
>>
>> When I build the kernel with:
>>
>> # bitbake virtual/kernel
>>
>> The kernel is downloaded from kernel.org, with the correct git tag
>> (v2.6.32) and is built with success. Nevertheless, the "defconfig" is
>> not properly added in the kernel configuration. If I run:
>>
>> # bitbake virtual/kernel -c menuconfig
>>
>> The ncurses menuconfig is not using the "defconfig" added by me.
>>
>> The "defconfig" with all kernel configurations is a deprecated feature?
>> Which is the correct way to add a new kernel recipe?
>
>
> It definitely should still be working, we have plenty of defconfig
> users (whether right or wong ;) and it is tested daily.
>
> How did you specify your defconfig on the SRC_URI ?
>
> Bruce
>
>>
>> Many thanks!
>> Javi Roman
>> _______________________________________________
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>> yocto at yoctoproject.org
>> https://lists.yoctoproject.org/listinfo/yocto
>>
>