Yocto S32G add a new layer , how to add it to image

[Ada_Lovelace]

Hi, All

I build the board s32g274ardb2, it  can make the image. Now I want to add new layer to project, so I  setup the new layaer meta-mylayer, I create the .bb .c and makefile.

Then I add the meta-mylayer path to  bblayers.conf.

Then  I  build fsl-image-auto, I test  it ,  the code about the layer does not work.

I search the question,  I need to add the layer to the image. I do not find hello.ko ，so I think it needs some steps, what should I do to add the layer to image?

I upload the meta-mylayer and build configuration.

[nxf92355]

Hi Ada Ma

Hope you are doing well.

I think this is yocto related. You can use external Linux Kernel Module for same. Please refer this link

https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/Incorporating-Out-of-Tree-Modules-in-YOC...

Hope this will help you

Thanks & Regards

Tushar

[Ada_Lovelace]

HI, Tushar

I reference the link,and change the file:  .bb and local.conf, but it has problems.

I add IMAGE_INSTALL_append = "hello" to local.conf, the bitbake image, it reports errors.

I upload the .c .bb makefie and local.conf, please help me how to make it work.

[nxf92355]

Hi Ada Ma

I think in newer versions for yocto,  syntax may be changed. You can try

IMAGE_INSTALL:append instead of IMAGE_INSTALL_append

for more information for syntax please see your yocto version. i mean Honister , Hardknott , Gatesgarth , Dunfell , Zeus or else

if you dont know how to see, use below

vim $POKY-DIR/meta-poky/conf/distro/poky.conf

You will get info like:

DISTRO = "poky"
DISTRO_NAME = "Poky (Yocto Project Reference Distro)"
DISTRO_VERSION = "2.7.2"
DISTRO_CODENAME = "warrior"
SDK_VENDOR = "-pokysdk"
SDK_VERSION = "${@d.getVar('DISTRO_VERSION').replace('snapshot-${DATE}', 'snapshot')}"
.....
.....

 and then search in yocto project reference manual of that version. you can find proper syntax

Regards ,

Tushar 

[Ada_Lovelace]

Hi,Tushar 

I IMAGE_INSTALL:append instead of IMAGE_INSTALL_append , it also has errors.

[nxf92355]

Hi Ada

Now you are getting error is different issue, it may not depend on I IMAGE_INSTALL:append.I am again saying this is yocto related issue. we recommends you to go with yocto community.

I have followed same link which i have shared with you. and i getting success to yocto build.and hello.ko is also built. below is my steps which i have followed

bitbake-layers create-layer ../sources/meta-mylayer
bitbake-layers add-layer ../sources/meta-mylayer
cd ../sources/meta-mylayer/
rm -rf recipes-example/
mkdir recipes-pmu
cd recipes-pmu/
cp -fvR ../../../sources/poky/meta-skeleton/recipes-kernel/hello-mod .
cd hello-mod/
mv hello-mod/ my-mod/
cd my-mod/
mv hello-mod_0.1.bb my-mod_0.1.bb
vi ../../../build_s32g274ardb2/conf/local.conf    ( Added IMAGE_INSTALL_append = " my-mod")
bitbake fsl-image-auto

yocto build sucess without any error

hello.ko

I think you may be missed some steps  from links. you can rebuild again with proper caution.

I have attached mylayer zip file . you can also compare it with yours.

Thanks & Regards,

Tushar

[Ada_Lovelace]

Hi,Tushar

I copy your files and put in to ./source but it still has errors.

I compare the files , layer.conf  is different, others are same. Then I set up the new layer referencing your steps, it reports the same error.

I put the location in the picture, I do not know what it is wrong,please help me check it.

[nxf92355]

Hi Ada

One things may be with you.i am not sure .  Did you made any change in any file or any .bb file ?

The erro you are getting

Missing or unbuildable dependency chain was: ['fsl-image-auto', 'openssl-miscmy-mod']

means your image fsl-image-auto is depending/appending on openssl-miscmy-mod named package or .bb file. do you have any recipe file named as openssl-miscmy-mod ?  i think there are no any like named file. did you made any mistake in file at /bsp-auto/sources/meta-alb/recipes-fsl/images/fsl-image-auto.bb ?  i open that file and i am seen there package as named  openssl-misc

# Supporting complex evaluation scenarios
IMAGE_INSTALL += "openssl-misc"

did you change this ?

if you not finding then please search for openssl-miscmy-mod  as

~/bsp-auto/sources/meta-alb$ grep -nr openssl-miscmy-mod

you will find . open this and correct

Hope this will helps you

Thanks & Regards

Tushar

[Ada_Lovelace · Accepted solution]

Hi,

I add my-mod into the fsl-image-auto.bb ,it works.

And it has  IMAGE_INSTALL += "openssl-misc  in it.

[nxf92355]

Hi Ada

that's good problem has been solved. did you find root cause of issue for the error you was getting "Missing or unbuildable dependency chain was: ['fsl-image-auto', 'openssl-miscmy-mod']"   ?  tell us the steps to regenerate that issue

i had tried to regenerate the issue as you was getting . but i was not getting issue like you have. commonly such type of issue is generated as i explain in my previous post . so that to regenerate issue i have replaced manually "openssl-miscmy-mod" instead of "openssl-misc" in fsl-image-auto.bb  as below

and i got gendered as same error as you was getting.

Thanks & regards ,

Tushar