Re: Problem with newest Git-Version (RPi4)

Hi,

Thanks for the elaborate description. Please use
SRC_C = src/main.c
in the Makefile for the time being.


Adam

On Thu Aug 25, 2022 at 09:40:54 +0000, rib0327 wrote:
> Hello everyone,
> 
> 
> 
> We have a question regarding the newest Kernel version available on Git (current date: 11.08.2022). We are working on an application and
> 
> have come across a problem.
> 
> In a previous Git version of the Kernel we had no problem building the .uimage file; however, with the newest update we found out that the .uimage file cannot be built.
> 
> 
> 
> Here the working version (older one):
> 
> 
> 
> Buildung local Project exampleApp
> 
> 
>  [ExampleApp_Git] ... Compiling src/main.o
>  [ExampleApp_Git] ==> Linking exampleApp
>  [ExampleApp_Git] ==> exampleApp built
>  [ExampleApp_Git] ==> Installing exampleApp to local build-tree
> 
> 
> Building L4Re uimage with Application exampleApp
> 
> 
> make[1]: Entering directory '/home/dev/L4Re_Git/l4'
> Building entry "exampleApp".
> Merging images:
> mod00: /home/dev/L4Re_Git/build-fiasco//fiasco [436kB]
> mod01: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/sigma0 [36kBBuildung local Project exampleApp
> 
> 
>  [ExampleApp_Git] ... Compiling src/main.o
>  [ExampleApp_Git] ==> Linking exampleApp
>  [ExampleApp_Git] ==> exampleApp built
>  [ExampleApp_Git] ==> Installing exampleApp to local build-tree
> 
> 
> Building L4Re uimage with Application exampleApp
> 
> 
> make[1]: Entering directory '/home/dev/L4Re_Git/l4'
> Building entry "exampleApp".
> Merging images:
> mod00: /home/dev/L4Re_Git/build-fiasco//fiasco [436kB]
> mod01: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/sigma0 [36kB]
> mod02: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/moe [226kB]
> mod03: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/l4re [117kB]
> mod04: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/exampleApp [174kB]
>  [bootstrap] ... Generating bootstrap.ld
>  [bootstrap] ... Compiling startup.o
>  [bootstrap] ==> Linking bootstrap.elf
>  [bootstrap] ==> Image post-processing bootstrap.elf
>  [bootstrap] ==> bootstrap.elf built
>  ==> Installing bootstrap.elf in image directory
>  ==> Installing bootstrap_exampleApp in image directory
>  ==> Installing bootstrap_exampleApp.elf in image directory
>  [bootstrap] ... Generating bootstrap.raw
>  ==> Installing bootstrap.raw in image directory
>  ==> Installing bootstrap_exampleApp.raw in image directory
>  [bootstrap] ... Generating bootstrap.uimage
> Image Name:   L4 Image #3
> Created:      Thu Aug 11 09:11:24 2022
> Image Type:   AArch64 Linux Kernel Image (uncompressed)
> Data Size:    1099688 Bytes = 1073.91 KiB = 1.05 MiB
> Load Address: 01000000
> Entry Point:  01000000
>  ==> Installing bootstrap.uimage in image directory
>  ==> Installing bootstrap_exampleApp.uimage in image directory
>  Image size(s) in bytes:
>       bootstrap_exampleApp.elf:  1534296
>                  bootstrap.raw:  1099688
>               bootstrap.uimage:  1099752
>  Start address: 0x1000000
>  --> Build-Nr: 3
>  [bootstrap] ==> Installing bootstrap.elf to local build-tree
>  [bootstrap] ==> Installing bootstrap_exampleApp to local build-tree
>  [bootstrap] ==> Installing bootstrap_exampleApp.elf to local build-tree
> make[1]: Leaving directory '/home/dev/L4Re_Git/l4'
> 
> 
> DONE - bootstrap_exampleApp.uimage copied to /tftp/!
> ]
> mod02: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/moe [226kB]
> mod03: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/l4re [117kB]
> mod04: /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f/exampleApp [174kB]
>  [bootstrap] ... Generating bootstrap.ld
>  [bootstrap] ... Compiling startup.o
>  [bootstrap] ==> Linking bootstrap.elf
>  [bootstrap] ==> Image post-processing bootstrap.elf
>  [bootstrap] ==> bootstrap.elf built
>  ==> Installing bootstrap.elf in image directory
>  ==> Installing bootstrap_exampleApp in image directory
>  ==> Installing bootstrap_exampleApp.elf in image directory
>  [bootstrap] ... Generating bootstrap.raw
>  ==> Installing bootstrap.raw in image directory
>  ==> Installing bootstrap_exampleApp.raw in image directory
>  [bootstrap] ... Generating bootstrap.uimage
> Image Name:   L4 Image #3
> Created:      Thu Aug 11 09:11:24 2022
> Image Type:   AArch64 Linux Kernel Image (uncompressed)
> Data Size:    1099688 Bytes = 1073.91 KiB = 1.05 MiB
> Load Address: 01000000
> Entry Point:  01000000
>  ==> Installing bootstrap.uimage in image directory
>  ==> Installing bootstrap_exampleApp.uimage in image directory
>  Image size(s) in bytes:
>       bootstrap_exampleApp.elf:  1534296
>                  bootstrap.raw:  1099688
>               bootstrap.uimage:  1099752
>  Start address: 0x1000000
>  --> Build-Nr: 3
>  [bootstrap] ==> Installing bootstrap.elf to local build-tree
>  [bootstrap] ==> Installing bootstrap_exampleApp to local build-tree
>  [bootstrap] ==> Installing bootstrap_exampleApp.elf to local build-tree
> make[1]: Leaving directory '/home/dev/L4Re_Git/l4'
> 
> 
> DONE - bootstrap_exampleApp.uimage copied to /tftp/!
> 
> 
> 
> 
> 
> And now the faulty one (latest version):
> 
> 
> 
> Buildung local Project exampleApp
> 
> 
>  [ExampleApp_Git] ==> Linking exampleApp
> aarch64-linux-gnu-ld: cannot find ./src/main.o: No such file or directory
> make[1]: *** [/home/dev/L4Re_Git/l4/mk/prog.mk:125: exampleApp] Error 1
> make: *** [/home/dev/L4Re_Git/l4//mk/binary.inc:159: /home/dev/L4Re_Git/build-l4re/ext-pkg/home/dev/L4Re_Dev/ExampleApp_Git/OBJ-arm64_armv8a-l4f] Error 2
> 
> 
> Building L4Re uimage with Application exampleApp
> 
> 
> make[1]: Entering directory '/home/dev/L4Re_Git/l4'
> Could not find
>  'exampleApp'
> 
> within paths
>  /home/dev/L4Re_Git/build-fiasco/
>  /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a
>  /home/dev/L4Re_Git/build-l4re/bin/arm64_armv8a/l4f
>  /home/dev/L4Re_Git/build-l4re/lib/arm64_armv8a
>  /home/dev/L4Re_Git/build-l4re/lib/arm64_armv8a/l4f
> 
>  Processing of entry exampleApp in /home/dev/L4Re_Git/l4/conf/modules.list failed!
> 
> make[3]: *** No rule to make target 'processing-of-module-list-failed', needed by 'mod.make.inc'. Stop.
> make[2]: *** [../../../../mk/binary.inc:159: /home/dev/L4Re_Git/build-l4re/pkg/bootstrap/server/src/OBJ-arm64_armv8a] Error 2
> make[1]: *** [Makefile:544: uimage] Error 2
> make[1]: Leaving directory '/home/dev/L4Re_Git/l4'
> make: *** [Makefile:6: do-all-make-goals] Error 2
> cp: cannot stat '/home/dev/L4Re_Git/build-l4re/pkg/bootstrap/server/src/OBJ-arm64_armv8a/bootstrap_exampleApp.uimage': No such file or directory
> 
> 
> DONE - bootstrap_exampleApp.uimage copied to /tftp/!
> 
> 
> 
> This does not happen if we create the image of ‘hello’.
> 
> 
> 
> The problem is that the main.c file in the exampleApp does not get compiled before being linked à aarch64-linux-gnu-ld: cannot find ./src/main.o: No such file or directory.
> 
> Everything was added correctly in modules.list.
> 
> Does it depend on the newest update or did we make a mistake somewhere?
> 
> 
> 
> In the attachment you will also find the build_all.sh file we used to build the image and also the Makefile for exampleApp.
> 
> Thank you in advance for your help.
> 
> 
> 
> Many regards,
> 
> Mauro, Ricardo

_______________________________________________
l4-hackers mailing list
[email protected]
https://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers