[sdk] update to GSDK 4.4.0 (#756)

This updates the repo to work with the [Gecko SDK
v4.4.0](https://github.com/SiliconLabs/gecko_sdk/releases/tag/v4.4.0)
release

---

# Other changes

- Update scripts to install ARM GNU Toolchain 12
  - `arm-none-eabi-gcc 12` is a requirement of GSDK v4.4.0
  - Removed older toolchains from `Build` workflow
- Add ot_stack_features_config component to ot-efr32 extension
  - This adds a new component that generates a config file for
    `SL_OPENTHREAD_STACK_FEATURES_CONFIG_FILE`
  - This is essentially a copy of the ot_stack_ftd/mtd/rcp components
    except it doesn't define a `OPENTHREAD_<DEVICE_TYPE>` macro
    https://github.com/SiliconLabs/gecko_sdk/blob/124fa19de8c8b3961d21c20857f7df32239786da/protocol/openthread/component/ot_stack_ftd.slcc#L21-L26
  - The component also uses the [validation
    script](https://github.com/SiliconLabs/gecko_sdk/blob/gsdk_4.4/protocol/openthread/component/script/ot_log_validation.lua)
    to ensure
    [`ot_rtt_log`](https://github.com/SiliconLabs/gecko_sdk/blob/gsdk_4.4/protocol/openthread/component/ot_rtt_log.slcc)
    is in a project if the `OPENTHREAD_CONFIG_LOG_OUTPUT` is set to
    `OPENTHREAD_CONFIG_LOG_PLATFORM_DEFINED`
- Update the `openthread` submodule to the head of `main`

.github/workflows/build.yml

@@ -50,18 +50,12 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - gcc_ver: 6
-            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu-rm/6-2017q2/gcc-arm-none-eabi-6-2017-q2-update-linux.tar.bz2
-            gcc_extract_dir: gcc-arm-none-eabi-6-2017-q2-update
-          - gcc_ver: 7
-            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu-rm/7-2018q2/gcc-arm-none-eabi-7-2018-q2-update-linux.tar.bz2
-            gcc_extract_dir: gcc-arm-none-eabi-7-2018-q2-update
-          - gcc_ver: 9
-            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu-rm/9-2019q4/RC2.1/gcc-arm-none-eabi-9-2019-q4-major-x86_64-linux.tar.bz2
-            gcc_extract_dir: gcc-arm-none-eabi-9-2019-q4-major
-          - gcc_ver: 10.3
-            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu-rm/10.3-2021.10/gcc-arm-none-eabi-10.3-2021.10-x86_64-linux.tar.bz2
-            gcc_extract_dir: gcc-arm-none-eabi-10.3-2021.10
+          - gcc_ver: 12.2.Rel1
+            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/binrel/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz
+            gcc_extract_dir: arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi
+          - gcc_ver: 12.3.Rel1
+            gcc_download_url: https://developer.arm.com/-/media/Files/downloads/gnu/12.3.rel1/binrel/arm-gnu-toolchain-12.3.rel1-x86_64-arm-none-eabi.tar.xz
+            gcc_extract_dir: arm-gnu-toolchain-12.3.rel1-x86_64-arm-none-eabi
 
     steps:
     - uses: actions/checkout@v4
@@ -83,13 +77,12 @@ jobs:
 
     - name: Bootstrap
       run: |
-        cd /tmp
-        wget --tries 4 --no-check-certificate --quiet ${{ matrix.gcc_download_url }} -O gcc-arm.tar.bz2
-        tar xjf gcc-arm.tar.bz2
+        script/bootstrap packages
+        script/bootstrap arm_toolchain ${{ matrix.gcc_download_url }} ${{ matrix.gcc_extract_dir }}
 
     - name: Build
       run: |
-        export PATH=/tmp/${{ matrix.gcc_extract_dir }}/bin:$PATH
+        export PATH=${HOME}/.local/${{ matrix.gcc_extract_dir }}/bin:$PATH
         script/test
 
     - name: Gather SLC generated files
@@ -107,5 +100,5 @@ jobs:
     - uses: actions/upload-artifact@v4
       if: failure()
       with:
-        name: build-${{ matrix.gcc_ver }}-${{ matrix.os }}
+        name: build-${{ matrix.gcc_ver }}
         path: artifact

examples/example_vendor_slc_extension/projects/example-vendor-rcp-spi.slcp

@@ -35,7 +35,9 @@ quality: production
 
 component:
   - id: ot_platform_abstraction_core
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: ot_ncp_spidrv
   - id: rail_util_pti
 

examples/example_vendor_slc_extension/projects/example-vendor-rcp-uart.slcp

@@ -35,7 +35,9 @@ quality: production
 
 component:
   - id: ot_platform_abstraction_core
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom

examples/example_vendor_slc_extension/projects/example-vendor-soc-with-buttons.slcp

@@ -36,7 +36,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom

examples/example_vendor_slc_extension/projects/example-vendor-soc.slcp

@@ -36,7 +36,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom

ot-efr32.slce

@@ -1,9 +1,9 @@
 id: ot-efr32
 version: 0.0.1
 description: "ot-efr32 extension for Gecko SDK Suite"
-label: "Silicon Labs Matter"
+label: "Silicon Labs OpenThread"
 sdk:
   id: gecko_sdk
-  version: 4.2.1
+  version: 4.4.0
 component_path:
   - path: slc/component

script/bootstrap

@@ -55,7 +55,8 @@ install_packages_apt()
         python3-pip \
         git-lfs \
         unzip \
-        wget
+        wget \
+        xz-utils
 }
 
 install_packages_opkg()
@@ -118,6 +119,38 @@ do_bootstrap_silabs()
     echo "Bootstrapping silabs"
     "${repo_dir}"/script/bootstrap_silabs
 }
+
+install_arm_toolchain()
+{
+    local url=${1-"https://developer.arm.com/-/media/Files/downloads/gnu/12.2.rel1/binrel/arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi.tar.xz"}
+    local extract_dir=${2-"arm-gnu-toolchain-12.2.rel1-x86_64-arm-none-eabi"}
+
+    local toolchain_dir="${HOME}/.local"
+
+    # Check if the toolchain is already present at the desired location
+    if command -v "${toolchain_dir}/${extract_dir}/bin/arm-none-eabi-gcc"; then
+        echo "'arm-none-eabi-gcc' found. Skipping GNU ARM Embedded toolchain install"
+        "${toolchain_dir}"/"${extract_dir}"/bin/arm-none-eabi-gcc --version
+        return
+    fi
+
+    echo 'Installing GNU ARM Embedded Toolchain...'
+
+    # Download
+    local tarball=gcc-arm.tar.xz
+    mkdir -p "${toolchain_dir}/${extract_dir}"
+    wget --tries 4 --no-check-certificate --quiet "${url}" -O "${toolchain_dir}/${tarball}"
+
+    # Extract
+    tar xf "${toolchain_dir}/${tarball}" --directory "${toolchain_dir}/${extract_dir}" --strip-components=1
+
+    # Link
+    sudo ln -s -f "${toolchain_dir}"/"${extract_dir}"/bin/* /usr/local/bin/
+
+    # Cleanup
+    rm -rf "${toolchain_dir:?}/${tarball:?}"
+}
+
 main()
 {
     if [ $# == 0 ]; then
@@ -126,6 +159,9 @@ main()
         do_bootstrap_silabs
     elif [ "$1" == 'packages' ]; then
         install_packages
+    elif [ "$1" == 'arm_toolchain' ]; then
+        shift 1
+        install_arm_toolchain "$@"
     elif [ "$1" == 'openthread' ]; then
         do_bootstrap_openthread
     elif [ "$1" == 'python' ]; then

slc/component/ot_stack_features_config.slcc

@@ -0,0 +1,24 @@
+id: ot_stack_features_config
+label: Stack Features Config
+package: OpenThread
+category: OpenThread
+quality: production
+description: This component provides the OpenThread stack features configuration
+provides:
+  - name: ot_stack_features_config
+config_file:
+  - path: third_party/silabs/gecko_sdk/protocol/openthread/config/sl_openthread_features_config.h
+    file_id: openthread_features
+    unless: [ot_reference_device]
+  - path: third_party/silabs/gecko_sdk/protocol/openthread/config/sl_openthread_reference_device_config.h
+    file_id: openthread_features
+    condition: [ot_reference_device]
+validation_helper:
+  - path: third_party/silabs/gecko_sdk/protocol/openthread/component/script/ot_log_validation.lua
+define:
+  - name: SL_OPENTHREAD_STACK_FEATURES_CONFIG_FILE
+    value: "\"sl_openthread_features_config.h\""
+    unless: [ot_reference_device]
+  - name: SL_OPENTHREAD_STACK_FEATURES_CONFIG_FILE
+    value: "\"sl_openthread_reference_device_config.h\""
+    condition: [ot_reference_device]

src/platform_projects/openthread-efr32-rcp-spi.slcp

@@ -7,7 +7,9 @@ quality: production
 
 component:
   - id: ot_platform_abstraction_core
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: ot_ncp_spidrv
   - id: rail_util_pti
 
@@ -20,3 +22,7 @@ define:
     value: 1
   - name: OPENTHREAD_RADIO
     value: 1
+
+sdk_extension:
+- id: ot-efr32
+  version: 0.0.1

src/platform_projects/openthread-efr32-rcp-uart.slcp

@@ -7,7 +7,9 @@ quality: production
 
 component:
   - id: ot_platform_abstraction_core
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom
@@ -22,3 +24,7 @@ define:
     value: 1
   - name: OPENTHREAD_RADIO
     value: 1
+
+sdk_extension:
+  - id: ot-efr32
+    version: 0.0.1

src/platform_projects/openthread-efr32-soc-with-buttons-power-manager-csl.slcp

@@ -9,7 +9,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom
@@ -53,3 +55,7 @@ configuration:
 define:
   - name: OPENTHREAD_CONFIG_MAC_CSL_RECEIVER_ENABLE
     value: 1
+
+sdk_extension:
+  - id: ot-efr32
+    version: 0.0.1

src/platform_projects/openthread-efr32-soc-with-buttons-power-manager.slcp

@@ -9,7 +9,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom
@@ -49,3 +51,7 @@ configuration:
     condition: [freertos]
   - name: SL_STACK_SIZE
     value: 4608
+
+sdk_extension:
+  - id: ot-efr32
+    version: 0.0.1

src/platform_projects/openthread-efr32-soc-with-buttons.slcp

@@ -9,7 +9,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom
@@ -48,3 +50,7 @@ configuration:
     condition: [freertos]
   - name: SL_STACK_SIZE
     value: 4608
+
+sdk_extension:
+  - id: ot-efr32
+    version: 0.0.1

src/platform_projects/openthread-efr32-soc.slcp

@@ -8,7 +8,9 @@ quality: production
 component:
   - id: ot_platform_abstraction_core
   - id: ot_psa_crypto
-  - id: ot_thirdparty
+  - id: ot_mbedtls
+  - id: ot_stack_features_config
+    from: ot-efr32
   - id: uartdrv_usart
     instance:
       - vcom
@@ -35,3 +37,7 @@ configuration:
     condition: [freertos]
   - name: SL_STACK_SIZE
     value: 4608
+
+sdk_extension:
+  - id: ot-efr32
+    version: 0.0.1

src/src/alarm.c

@@ -32,6 +32,7 @@
  *
  */
 
+#include <assert.h>
 #include <openthread-core-config.h>
 #include <openthread-system.h>
 #include <stdbool.h>