Hi All ,
I am trying to build an out-of-tree hello-world module using the XEN + RPI4
setup.
1) Compilation of kernel-modules with this setup shows below error:
*/home/ashish/yocto-default/build-xenimage/tmp/work-shared/raspberrypi4-64/kernel-source/Makefile:609:
include/config/auto.conf: No such file or directory*
*ERROR: Kernel configuration is invalid.*
*include/generated/autoconf.h or include/config/auto.conf are missing.*
*Run 'make oldconfig && make prepare' on kernel src to fix it.*
2) Please find that just to ensure if the procedure to compile an external
modules is correct ,
i tried setting *MACHINE ?= "qemuarm64" ,* and reported same steps .
I was able to compile the kernel module properly & ran on qemu to confirm the
module is proper.
3) Steps followed :
1) Create an basic hello-world-module.c & Makefile in any known location ( say
custom layer )
2) $ bitbake -c devshell virtual/kernel
$ make M=<Location of module created in step 1 above> modules
I was under expectation that the config file would be proper as we are able to
generate xen-image-minimal.
Any pointers or suggestion will be helpful.
[13:29:33]:~/yocto-default/build-xenimage/tmp/work-shared/raspberrypi4-64/kernel-source
(rpi-5.4.y) : make
M=/home/ashish/yocto-default/layer/meta-krnl/recipes-krnl/my_module/ modules
make[1]: Entering directory
'/home/ashish/yocto-default/build-xenimage/tmp/work/raspberrypi4_64-poky-linux/linux-raspberrypi/1_5.4.51+gitAUTOINC+aafb8f095e_machine-r0/linux-raspberrypi4_64-standard-build'
/home/ashish/yocto-default/build-xenimage/tmp/work-shared/raspberrypi4-64/kernel-source/Makefile:609:
include/config/auto.conf: No such file or directory
ERROR: Kernel configuration is invalid.
include/generated/autoconf.h or include/config/auto.conf are missing.
Run 'make oldconfig && make prepare' on kernel src to fix it.
/home/ashish/yocto-default/build-xenimage/tmp/work-shared/raspberrypi4-64/kernel-source/Makefile:681:
recipe for target 'include/config/auto.conf' failed
make[1]: *** [include/config/auto.conf] Error 1
make[1]: Leaving directory
'/home/ashish/yocto-default/build-xenimage/tmp/work/raspberrypi4_64-poky-linux/linux-raspberrypi/1_5.4.51+gitAUTOINC+aafb8f095e_machine-r0/linux-raspberrypi4_64-standard-build'
Makefile:179: recipe for target 'sub-make' failed
make: *** [sub-make] Error 2
[13:29:43]:~/yocto-default/build-xenimage/tmp/work-shared/raspberrypi4-64/kernel-source
(rpi-5.4.y) :
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