arduino · facchinm · Jul 17, 2025 · Jun 27, 2025 · Jun 27, 2025 · Jul 8, 2025
diff --git a/.github/workflows/package_core.yml b/.github/workflows/package_core.yml
@@ -29,7 +29,7 @@ jobs:
 
       - name: Initialize Zephyr environment
         run: |
-          ./extra/bootstrap.sh -o=--filter=tree:0
+          yes | ./extra/bootstrap.sh -o=--filter=tree:0
           echo "CORE_TAG=$(git describe --always)" >> "$GITHUB_ENV"
           echo "CORE_ARTIFACT=ArduinoCore-zephyr-$(git describe --always)" >> "$GITHUB_ENV"
           echo "BOARD_VARIANTS=$(extra/get_board_details.sh | jq -cr 'sort_by(.variant)')" >> "$GITHUB_ENV"

diff --git a/.gitignore b/.gitignore
@@ -6,4 +6,5 @@ llext-edk/
 cflags.txt
 cxxflags.txt
 includes.txt
-provides.ld
+syms-dynamic.ld
+syms-static.ld
diff --git a/boards.txt b/boards.txt
@@ -1,5 +1,7 @@
 menu.debug=Debug
-menu.mode=Mode
+menu.link_mode=Link mode
+
+##########################################################################################
 
 giga.name=Arduino Giga R1
 giga.build.core=arduino
@@ -19,14 +21,12 @@ giga.build.variant=arduino_giga_r1_stm32h747xx_m7
 giga.build.mcu=cortex-m7
 giga.build.fpu=-mfpu=fpv5-d16
 giga.build.architecture=cortex-m7
-giga.compiler.zephyr.arch.define=-DCORE_CM7
 
 giga.build.float-abi=-mfloat-abi=softfp
 giga.build.extra_flags=
 giga.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 giga.build.architecture=cortex-m7
 giga.build.board=ARDUINO_GIGA
-giga.compiler.zephyr=
 giga.vid.0=0x2341
 giga.pid.0=0x0066
 giga.upload_port.0.vid=0x2341
@@ -85,14 +85,12 @@ nano33ble.build.variant=arduino_nano_33_ble_nrf52840_sense
 nano33ble.build.mcu=cortex-m4
 nano33ble.build.fpu=-mfpu=fpv4-sp-d16
 nano33ble.build.architecture=cortex-m4
-nano33ble.compiler.zephyr.arch.define=
 
 nano33ble.build.float-abi=-mfloat-abi=hard
 nano33ble.build.extra_flags=
 nano33ble.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 nano33ble.build.architecture=cortex-m4
 nano33ble.build.board=ARDUINO_NANO33BLE
-nano33ble.compiler.zephyr=
 nano33ble.vid.0=0x2341
 nano33ble.pid.0=0x035a
 nano33ble.upload_port.0.vid=0x2341
@@ -149,19 +147,16 @@ ek_ra8d1.build.variant=ek_ra8d1_r7fa8d1bhecbd
 ek_ra8d1.build.mcu=cortex-m85+nomve
 ek_ra8d1.build.fpu=-mfpu=fpv5-d16
 ek_ra8d1.build.architecture=cortex-m85+nomve
-ek_ra8d1.compiler.zephyr.arch.define=
 
 ek_ra8d1.build.float-abi=-mfloat-abi=hard
 ek_ra8d1.build.extra_flags=
 ek_ra8d1.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 ek_ra8d1.build.architecture=cortex-m85+nomve
 ek_ra8d1.build.board=EK_RA8D1
-ek_ra8d1.compiler.zephyr.arch.define=
 
 #ek_ra8d1.recipe.hooks.objcopy.postobjcopy.4.pattern=cp {build.variant.path}/flasher.jlink "{build.path}/flasher.jlink"
 #ek_ra8d1.recipe.hooks.objcopy.postobjcopy.5.pattern=sed -i 's|SKETCH|"{build.path}/{build.project_name}.llext.dfu.bin"|g' "{build.path}/flasher.jlink"
 
-ek_ra8d1.compiler.zephyr=
 ek_ra8d1.vid.0=0x2341
 ek_ra8d1.pid.0=0x0077
 ek_ra8d1.upload_port.0.vid=0x2341
@@ -208,14 +203,11 @@ frdm_mcxn947.build.variant=frdm_mcxn947_mcxn947_cpu0
 frdm_mcxn947.build.mcu=cortex-m33
 frdm_mcxn947.build.fpu=-mfpu=fpv5-sp-d16
 frdm_mcxn947.build.architecture=cortex-m33
-frdm_mcxn947.compiler.zephyr.arch.define=
 
 frdm_mcxn947.build.float-abi=-mfloat-abi=hard
 frdm_mcxn947.build.extra_flags=
 frdm_mcxn947.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 frdm_mcxn947.build.board=FRDM_MCXN947
-frdm_mcxn947.compiler.zephyr.arch.define=
-frdm_mcxn947.compiler.zephyr=
 frdm_mcxn947.vid.0=0x1fc9
 frdm_mcxn947.pid.0=0x0143
 frdm_mcxn947.upload_port.0.vid=0x1fc9
@@ -262,14 +254,12 @@ portentah7.build.variant=arduino_portenta_h7_stm32h747xx_m7
 portentah7.build.mcu=cortex-m7
 portentah7.build.fpu=-mfpu=fpv5-d16
 portentah7.build.architecture=cortex-m7
-portentah7.compiler.zephyr.arch.define=-DCORE_CM7
 
 portentah7.build.float-abi=-mfloat-abi=softfp
 portentah7.build.extra_flags=
 portentah7.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 portentah7.build.architecture=cortex-m7
 portentah7.build.board=ARDUINO_PORTENTA_H7
-portentah7.compiler.zephyr=
 portentah7.vid.0=0x2341
 portentah7.pid.0=0x005b
 portentah7.upload_port.0.vid=0x2341
@@ -328,14 +318,11 @@ frdm_rw612.build.variant=frdm_rw612_rw612
 frdm_rw612.build.mcu=cortex-m33+nodsp
 frdm_rw612.build.fpu=-mfpu=fpv5-sp-d16
 frdm_rw612.build.architecture=cortex-m33+nodsp
-frdm_rw612.compiler.zephyr.arch.define=
 
 frdm_rw612.build.float-abi=-mfloat-abi=hard
 frdm_rw612.build.extra_flags=
 frdm_rw612.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 frdm_rw612.build.board=FRDM_RW612
-frdm_rw612.compiler.zephyr.arch.define=
-frdm_rw612.compiler.zephyr=
 frdm_rw612.vid.0=0x1fc9
 frdm_rw612.pid.0=0x0143
 frdm_rw612.upload_port.0.vid=0x1fc9
@@ -381,14 +368,12 @@ niclasense.build.variant=arduino_nicla_sense_me_nrf52832
 niclasense.build.mcu=cortex-m4
 niclasense.build.fpu=-mfpu=fpv4-sp-d16
 niclasense.build.architecture=cortex-m4
-niclasense.compiler.zephyr.arch.define=
 
 niclasense.build.float-abi=-mfloat-abi=hard
 niclasense.build.extra_flags=
 niclasense.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 niclasense.build.architecture=cortex-m4
 niclasense.build.board=ARDUINO_NICLA_SENSE_ME
-niclasense.compiler.zephyr=
 niclasense.vid.0=0x2341
 niclasense.pid.0=0x0360
 niclasense.upload_port.0.vid=0x2341
@@ -440,19 +425,12 @@ portentac33.build.compiler_path={runtime.tools.arm-zephyr-eabi-0.16.8.path}/bin/
 
 portentac33.menu.debug.false=Standard
 portentac33.menu.debug.true=Debug
+portentac33.menu.debug.true.build.zsk_args.debug=-debug
 
-portentac33.menu.debug.false.postbuild_debug=
-portentac33.menu.debug.true.postbuild_debug=-debug
-
-portentac33.menu.mode.llext=llext
-portentac33.menu.mode.linked=linked
-
-portentac33.menu.mode.linked.build.extra_ldflags=-lc -lm -lgcc -L{build.variant.path} -Wl,--wrap=random -Wl,--wrap=calloc -Wl,--wrap=free -Wl,--wrap=malloc -Wl,--wrap=realloc 
-portentac33.menu.mode.linked.build.llext_link_flags=
-portentac33.menu.mode.linked.build.suffix=_linked
-portentac33.menu.mode.linked.build.ldscript={runtime.platform.path}/variants/_linked/linker_script.ld
-portentac33.menu.mode.linked.upload.extension=bin-zsk.bin
-portentac33.menu.mode.linked.postbuild_mode=-prelinked
+portentac33.menu.link_mode.dynamic=Dynamic
+portentac33.menu.link_mode.static=Static
+portentac33.menu.link_mode.static.build.link_mode=static
+portentac33.menu.link_mode.static.upload.extension=bin-zsk.bin
 
 portentac33.build.zephyr_target=arduino_portenta_c33
 portentac33.build.zephyr_args=
@@ -461,14 +439,11 @@ portentac33.build.variant=arduino_portenta_c33_r7fa6m5bh3cfc
 portentac33.build.mcu=cortex-m33
 portentac33.build.fpu=-mfpu=fpv5-sp-d16
 portentac33.build.architecture=cortex-m33
-portentac33.compiler.zephyr.arch.define=
 
 portentac33.build.float-abi=-mfloat-abi=hard
 portentac33.build.extra_flags=
 portentac33.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 portentac33.build.board=ARDUINO_PORTENTA_C33
-portentac33.compiler.zephyr.arch.define=
-portentac33.compiler.zephyr=
 portentac33.vid.0=0x2341
 portentac33.pid.0=0x0068
 portentac33.upload_port.0.vid=0x2341
@@ -517,14 +492,12 @@ opta.build.variant=arduino_opta_stm32h747xx_m7
 opta.build.mcu=cortex-m7
 opta.build.fpu=-mfpu=fpv5-d16
 opta.build.architecture=cortex-m7
-opta.compiler.zephyr.arch.define=-DCORE_CM7
 
 opta.build.float-abi=-mfloat-abi=softfp
 opta.build.extra_flags=
 opta.build.postbuild.cmd="{tools.imgtool.path}/{tools.imgtool.cmd}" exit
 opta.build.architecture=cortex-m7
 opta.build.board=ARDUINO_OPTA
-opta.compiler.zephyr=
 opta.vid.0=0x2341
 opta.pid.0=0x0064
 opta.upload_port.0.vid=0x2341

diff --git a/extra/build.sh b/extra/build.sh
@@ -90,23 +90,17 @@ for ext in elf bin hex; do
 done
 
 # Generate the provides.ld file for linked builds
-echo "Exporting provides.ld"
-READELF=${ZEPHYR_SDK_INSTALL_DIR}/arm-zephyr-eabi/bin/arm-zephyr-eabi-readelf
-GDB=${ZEPHYR_SDK_INSTALL_DIR}/arm-zephyr-eabi/bin/arm-zephyr-eabi-gdb
-$READELF --wide -s ${BUILD_DIR}/zephyr/zephyr.elf   | grep FUNC | awk -F' ' '{print "PROVIDE("$8" = 0x"$2");"}' > ${VARIANT_DIR}/provides.ld
-$READELF --wide -s ${BUILD_DIR}/zephyr/zephyr.elf   | grep kheap_llext_heap | awk -F' ' '{print "PROVIDE("$8" = 0x"$2");"}' >> ${VARIANT_DIR}/provides.ld
-$READELF --wide -s ${BUILD_DIR}/zephyr/zephyr.elf   | grep kheap_llext_heap | awk -F' ' '{print "PROVIDE(kheap_llext_heap_size = "$3");"}' >> ${VARIANT_DIR}/provides.ld
-$READELF --wide -s ${BUILD_DIR}/zephyr/zephyr.elf   | grep kheap__system_heap | awk -F' ' '{print "PROVIDE("$8" = 0x"$2");"}' >> ${VARIANT_DIR}/provides.ld
-$READELF --wide -s ${BUILD_DIR}/zephyr/zephyr.elf   | grep kheap__system_heap | awk -F' ' '{print "PROVIDE(kheap__system_heap_size = "$3");"}' >> ${VARIANT_DIR}/provides.ld
-cat ${BUILD_DIR}/zephyr/zephyr.map | grep __device_dts_ord | grep -v rodata | grep -v llext_const_symbol |  awk -F' ' '{print "PROVIDE("$2" = "$1");"}'  >> ${VARIANT_DIR}/provides.ld
-#TEXT_START=`cat variants/$variant/$variant.overlay | grep user_sketch: | cut -f2 -d"@" | cut -f1 -d"{"`
-TEXT_START=`$GDB --quiet -ex "p/x sketch_base_addr" ${BUILD_DIR}/zephyr/zephyr.elf -ex "exit" | grep "= 0x" | cut -f 2 -d"="`
-echo "PROVIDE(_sketch_start = $TEXT_START);" >> ${VARIANT_DIR}/provides.ld
-
-sed -i 's/PROVIDE(malloc =/PROVIDE(__wrap_malloc =/g' ${VARIANT_DIR}/provides.ld
-sed -i 's/PROVIDE(free =/PROVIDE(__wrap_free =/g' ${VARIANT_DIR}/provides.ld
-sed -i 's/PROVIDE(realloc =/PROVIDE(__wrap_realloc =/g' ${VARIANT_DIR}/provides.ld
-sed -i 's/PROVIDE(calloc =/PROVIDE(__wrap_calloc =/g' ${VARIANT_DIR}/provides.ld
-sed -i 's/PROVIDE(random =/PROVIDE(__wrap_random =/g' ${VARIANT_DIR}/provides.ld
+echo "Generating exported symbol scripts"
+extra/gen_provides.py "${BUILD_DIR}/zephyr/zephyr.elf" -L > ${VARIANT_DIR}/syms-dynamic.ld
+extra/gen_provides.py "${BUILD_DIR}/zephyr/zephyr.elf" -LF \
+	"+kheap_llext_heap" \
+	"+kheap__system_heap" \
+	"*sketch_base_addr=_sketch_start" \
+	"*sketch_max_size=_sketch_max_size" \
+	"malloc=__wrap_malloc" \
+	"free=__wrap_free" \
+	"realloc=__wrap_realloc" \
+	"calloc=__wrap_calloc" \
+	"random=__wrap_random" > ${VARIANT_DIR}/syms-static.ld
 
 cmake -P extra/gen_arduino_files.cmake $variant