Hello,
I am using Yocto to build a image for Raspberry Pi 3. I don't see a specific
group for RaspberryPi and hope to get help from here.
I am using Kirkstone commit and didn't download meta-openembedded as it doesn't
say it is needed in README. And it works to build a image.
Now I would like to add a new machine in the my customized layer to make some
changes based on the original machine configuration.
So I copied raspberrypi3.conf from meta-raspberrypi to my new layer first.
But bitbake displays errors as below:
=======================================================================================================
crane@Ubuntu2204:~/yocto-pi/build$ bitbake -k farview-image-base
Loading cache: 100%
|#####################################################################################|
Time: 0:00:00
Loaded 657 entries from dependency cache.
WARNING:
/home/crane/yocto-pi/sources/poky/meta/recipes-extended/images/core-image-testcontroller.bb:
Exception during build_dependencies for IMAGE_BOOT_FILES
WARNING:
/home/crane/yocto-pi/sources/poky/meta/recipes-extended/images/core-image-testcontroller.bb:
Error during finalise of
/home/crane/yocto-pi/sources/poky/meta/recipes-extended/images/core-image-testcontroller.bb
ERROR: ExpansionError during parsing
/home/crane/yocto-pi/sources/poky/meta/recipes-extended/images/core-image-testcontroller.bb
Traceback (most recent call last):
File "Var <IMAGE_BOOT_FILES>", line 1, in <module>
File
"/home/crane/yocto-pi/sources/meta-raspberrypi/conf/machine/include/rpi-base.inc",
line 134, in make_dtb_boot_files(d=<bb.data_smart.DataSmart object at
0x7f4952f3d9c0>):
> return ' '.join([transform(dtb) for dtb in alldtbs.split(' ') if dtb])
bb.data_smart.ExpansionError: Failure expanding variable IMAGE_BOOT_FILES,
expression was bootfiles/* ${@make_dtb_boot_files(d)}
${@bb.utils.contains('RPI_USE_U_BOOT', '1', 'zImage u-boot.bin;kernel7.img
boot.scr', 'zImage;kernel7.img', d)} which triggered exception TypeError:
sequence item 61: expected str instance, NoneType found
The variable dependency chain for the failure is: IMAGE_BOOT_FILES
ERROR: Parsing halted due to errors, see error messages above
Summary: There were 2 WARNING messages.
Summary: There were 2 ERROR messages, returning a non-zero exit code.
crane@Ubuntu2204:~/yocto-pi/build$
=====================================================================================================
I don't understand why it tries to parse core-image-testcontroller.bb, which I
don't intentionally use at all.
I am afraid that the process to create a new machine is not correct.
Does anyone can help with understanding what is missing here? Or it is not the
correct way to create a new machine for raspberrypi?
Thanks!
Crane
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