boards/slwstk6000b-*: cleanup

[fjmolinas]

Contribution description

slwstk6000b-* uses shell calls to resolve some variables like the JLINK_DEVICE and the CPU_MODEL, this can be done more efficiently with MAKE builtins.

This PR also takes care of addressing the missing TODO move CPU_MODEL here based on the daughter board

Some exports are removed as well as some MODULES moved.

Testing procedure

• There are a few less syscals, cpu/efm32: cleanup #13174 handles the rest.

master

BOARD=slwstk6000b-slwrb4150a strace -ff -e trace=execve make --no-print-directory -C examples/hello-world/ info-debug-variable-QUIET 2>&1 | grep 'execve' | wc -l
4912

pr

BOARD=slwstk6000b-slwrb4150a strace -ff -e trace=execve make --no-print-directory -C examples/hello-world/ info-debug-variable-QUIET 2>&1 | grep 'execve' | wc -l
4882

• everything should still works as before so try a couple of applications.

• murdock will check build stuff

Issues/PRs references

Relates to #10850
Also relates to #9913
This is a first cleanup step, when #12407 is merged and agreed I will move towards a folder based approach.

[aabadie]

This PR fails on some efm32 boards. For example on sltb001a:

Details

make BOARD=sltb001a -C examples/hello-world
make: Entering directory '/work/riot/RIOT/examples/hello-world'
Building application "hello-world" for "sltb001a" with MCU "efm32".

[INFO] cloning gecko_sdk
Cloning into '/work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk'...
remote: Enumerating objects: 655, done.
remote: Counting objects: 100% (655/655), done.
remote: Compressing objects: 100% (225/225), done.
remote: Total 1288 (delta 464), reused 506 (delta 417), pack-reused 633
Receiving objects: 100% (1288/1288), 8.44 MiB | 927.00 KiB/s, done.
Resolving deltas: 100% (864/864), done.
HEAD is now at ec942b9 Regenerated files.
[INFO] updating gecko_sdk /work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/.pkg-state.git-downloaded
echo ec942b9f430193b5b3ddaf4cf2a85fc29e44696a > /work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/.pkg-state.git-downloaded
[INFO] patch gecko_sdk
"make" -C /work/riot/RIOT/pkg/gecko_sdk
"make" -C /work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist
"make" -C /work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist/emlib-extra/src
arm-none-eabi-gcc: error: missing argument to '-mcpu='
make[3]: *** [/work/riot/RIOT/Makefile.base:109: /work/riot/RIOT/examples/hello-world/bin/sltb001a/gecko_sdk_emlib_extra/em_usart_utils.o] Error 1
make[2]: *** [/work/riot/RIOT/Makefile.base:29: ALL--/work/riot/RIOT/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist/emlib-extra/src] Error 2
make[1]: *** [Makefile:17: all] Error 2
make: *** [/work/riot/RIOT/examples/hello-world/../../Makefile.include:638: pkg-build-gecko_sdk] Error 2
make: Leaving directory '/work/riot/RIOT/examples/hello-world'

[fjmolinas]

I can't reproduce and this PR does not touch that board.

BUILD_IN_DOCKER=1 make BOARD=sltb001a -C examples/hello-world clean all

make: Entering directory '/home/francisco/workspace/RIOT/examples/hello-world'
Launching build container using image "riot/riotbuild:latest".
docker run --rm -t -u "$(id -u)" \
    -v '/usr/share/zoneinfo/Europe/Paris:/etc/localtime:ro' -v '/home/francisco/workspace/RIOT:/data/riotbuild/riotbase:delegated' -e 'RIOTBASE=/data/riotbuild/riotbase' -e 'CCACHE_BASEDIR=/data/riotbuild/riotbase' -e 'BUILD_DIR=/data/riotbuild/riotbase/build' -e 'RIOTPROJECT=/data/riotbuild/riotbase' -e 'RIOTCPU=/data/riotbuild/riotbase/cpu' -e 'RIOTBOARD=/data/riotbuild/riotbase/boards' -e 'RIOTMAKE=/data/riotbuild/riotbase/makefiles'      \
    -e 'BOARD=sltb001a' \
    -w '/data/riotbuild/riotbase/examples/hello-world/' \
    'riot/riotbuild:latest' make all 'BOARD=sltb001a'  
Building application "hello-world" for "sltb001a" with MCU "efm32".

[INFO] updating gecko_sdk /data/riotbuild/riotbase/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/.pkg-state.git-downloaded
echo ec942b9f430193b5b3ddaf4cf2a85fc29e44696a > /data/riotbuild/riotbase/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/.pkg-state.git-downloaded
[INFO] patch gecko_sdk
"make" -C /data/riotbuild/riotbase/pkg/gecko_sdk
"make" -C /data/riotbuild/riotbase/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist
"make" -C /data/riotbuild/riotbase/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist/emlib-extra/src
"make" -C /data/riotbuild/riotbase/examples/hello-world/bin/pkg/sltb001a/gecko_sdk/dist/emlib/src
"make" -C /data/riotbuild/riotbase/boards/sltb001a
"make" -C /data/riotbuild/riotbase/boards/common/silabs
"make" -C /data/riotbuild/riotbase/boards/common/silabs/drivers/pic
"make" -C /data/riotbuild/riotbase/core
"make" -C /data/riotbuild/riotbase/cpu/efm32
"make" -C /data/riotbuild/riotbase/cpu/cortexm_common
"make" -C /data/riotbuild/riotbase/cpu/cortexm_common/periph
"make" -C /data/riotbuild/riotbase/cpu/efm32/families/efr32mg1p
"make" -C /data/riotbuild/riotbase/cpu/efm32/periph
"make" -C /data/riotbuild/riotbase/drivers
"make" -C /data/riotbuild/riotbase/drivers/periph_common
"make" -C /data/riotbuild/riotbase/sys
"make" -C /data/riotbuild/riotbase/sys/auto_init
"make" -C /data/riotbuild/riotbase/sys/newlib_syscalls_default
"make" -C /data/riotbuild/riotbase/sys/pm_layered
"make" -C /data/riotbuild/riotbase/sys/stdio_uart
   text    data     bss     dec     hex filename
  15076     140    2596   17812    4594 /data/riotbuild/riotbase/examples/hello-world/bin/sltb001a/hello-world.elf
make: Leaving directory '/home/francisco/workspace/RIOT/examples/hello-world'

[fjmolinas]

This PR fails on some efm32 boards. For example on sltb001a:

I think your comment was tested on #13174, addressed there. This PR should be independent of #13174 though.

[aabadie]

I think your comment was tested on #13174, addressed there

Ah yes, sorry :)

[fjmolinas]

@basilfx this one goes in the same direction of #13174, I changed some variable names but I can reset them if you prefer.

[aabadie]

Please rebase

[fjmolinas]

@aabadie I rebased as well as removing a commit that was doing already merged changes. I also changed some variable namse MAINBOARD instead of MOTHERBOARD since that is the name silabs use, and kept the old BOARD_MODULE name.

[aabadie]

Code is cleaner, no functional change.

ACK

[aabadie]

All green, go!