Simplicity SDK 2026.6.0

Dockerfile

@@ -30,18 +30,16 @@ RUN if [ "$TARGETARCH" = "arm64" ]; then \
             ca-certificates \
             git \
         && rm -rf /var/lib/apt/lists/* \
-        # Download QEMU 11.0.0 source
-        && aria2c --checksum=sha-256=253fb688815c7ba4bf1a3ecb582bd4476cfa485deb759f5f641efcde0d4bfabd -o qemu.tar.gz \
-            https://gitlab.com/qemu-project/qemu/-/archive/v11.0.0/qemu-v11.0.0.tar.gz \
+        # Download QEMU 11.0.2 source
+        && aria2c --checksum=sha-256=f1ab4eda29aa2e5c0b29ba38b7411c368b9b9bf822de6569c53ea8d4e04f980a -o qemu.tar.gz \
+            https://gitlab.com/qemu-project/qemu/-/archive/v11.0.2/qemu-v11.0.2.tar.gz \
         && tar xzf qemu.tar.gz && rm qemu.tar.gz \
-        && mv qemu-v11.0.0 qemu \
+        && mv qemu-v11.0.2 qemu \
         && cd qemu \
         # Apply execve interception patch from conda-forge
         && aria2c -o execve.patch \
-            https://raw.githubusercontent.com/conda-forge/qemu-execve-feedstock/eaea9abfa56f859c98fb3938535a961465a58ae6/recipe/patches/execve/apply-execve-JH.patch \
+            https://raw.githubusercontent.com/conda-forge/qemu-execve-feedstock/988a9d79604e0a88cecc6bc4439625decdc308e9/recipe/patches/execve/apply-execve-JH.patch \
         && patch -p1 < execve.patch && rm execve.patch \
-        # Skip vsyscall page setup when reserved_va is enabled
-        && sed -i '/Cannot allocate vsyscall page/{s/.*/        return true;/;n;d}' linux-user/x86_64/elfload.c \
         && ./configure \
             --target-list=x86_64-linux-user \
             --static \
@@ -56,20 +54,45 @@ RUN if [ "$TARGETARCH" = "arm64" ]; then \
         mkdir -p /usr/src/qemu/build && touch /usr/src/qemu/build/qemu-x86_64; \
     fi
 
-# The new `slt` tool does not provide Gecko SDK builds so we have to download it ourselves.
-FROM debian:trixie-slim AS gecko-sdk-v4.5.0
-RUN apt-get update && apt-get install -y --no-install-recommends aria2 ca-certificates libarchive-tools \
-    && rm -rf /var/lib/apt/lists/* \
-    && aria2c --checksum=sha-256=b5b2b2410eac0c9e2a72320f46605ecac0d376910cafded5daca9c1f78e966c8 -o sdk.zip \
-        https://github.com/SiliconLabs/gecko_sdk/releases/download/v4.5.0/gecko-sdk.zip \
-    && mkdir /out && bsdtar -xf sdk.zip -C /out \
-    && rm sdk.zip
+# Arm's official aarch64 toolchain was built WITHOUT libzstd and SiLabs uses
+# zstd-compressed LTO bytecode in their precompiled SDK stack libraries. This prevents
+# any compilation from succeeding on ARM64 hosts. We need to build our own minimal
+# toolchain with zstd support to work around this. x86 is not affected.
+FROM debian:trixie-slim AS zstd-gcc-builder
+ARG TARGETARCH
+RUN mkdir -p /opt/zstd-gcc \
+    && if [ "$TARGETARCH" = "arm64" ]; then set -eux \
+        && apt-get update && apt-get install -y --no-install-recommends \
+            build-essential flex bison texinfo gawk libtool autoconf m4 \
+            zlib1g-dev libzstd-dev wget file gettext bzip2 xz-utils ca-certificates git aria2 \
+        && rm -rf /var/lib/apt/lists/* \
+        && mkdir -p /build/src && cd /build \
+        && aria2c --checksum=sha-256=e6405f20f8a817a50d92dbf7974d0ee77708dfdf9e79900a59c5d343b464ef9c -o src.tar.xz \
+            https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu/14.2.rel1/srcrel/arm-gnu-toolchain-src-snapshot-14.2.rel1.tar.xz \
+        && tar -xJf src.tar.xz -C /build/src && rm src.tar.xz \
+        && git clone --depth 1 --branch v1.1.0 \
+            https://git.gitlab.arm.com/tooling/gnu-devtools-for-arm.git /build/src/gnu-devtools-for-arm \
+        && ln -sf src/gnu-devtools-for-arm/build-gnu-toolchain.sh . \
+        # The `start` stage normally creates `install/`. Running stages individually skips
+        # it, so pre-create it or the first `do_config` can't write `install/.build_flags`.
+        && mkdir -p /build/build-arm-none-eabi-armv7e-m/install \
+        # Single multilib, no gdb. Through gcc2 so cc1plus (C++) is built too.
+        && ./build-gnu-toolchain.sh --target=arm-none-eabi --with-arch=armv7e-m \
+            --disable-multilib --disable-gdb \
+            gmp mpfr mpc isl iconv binutils gcc1 newlib gcc2 \
+        && for t in cc1 cc1plus lto1; do \
+             cp "$(find /build -path '*/libexec/gcc/arm-none-eabi/*' -name "$t" | head -1)" /opt/zstd-gcc/; \
+           done \
+        # Strip debug info (Arm ships these stripped; unstripped they are ~340 MB each)
+        && strip /opt/zstd-gcc/* \
+        && rm -rf /build; \
+    fi
 
 # Python virtual environment for the firmware builder script
 FROM debian:trixie-slim AS python-venv
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /usr/bin/
 COPY requirements.txt /tmp/
-RUN UV_PYTHON_INSTALL_DIR=/opt/pythons uv venv -p 3.13 /opt/venv --no-cache \
+RUN UV_PYTHON_INSTALL_DIR=/opt/pythons uv venv -p 3.14 /opt/venv --no-cache \
     && uv pip install --python /opt/venv -r /tmp/requirements.txt
 
 # Install slt and all toolchain packages (depends on QEMU for ARM64)
@@ -106,9 +129,7 @@ RUN set -e \
         # Install conan
         && slt --non-interactive install conan \
         && mv /root/.silabs/slt/engines/conan/conan_engine /root/.silabs/slt/engines/conan/conan_engine-bin \
-        # -R limits address space to 47 bits, fixing Go binaries that assume 48-bit sign-extended addresses
-        # This can be removed once conan_engine is recompiled with a newer Go toolchain
-        && printf '#!/bin/sh\nexec /usr/bin/qemu-x86_64-static -R 0x800000000000 /root/.silabs/slt/engines/conan/conan_engine-bin "$@"\n' > /root/.silabs/slt/engines/conan/conan_engine \
+        && printf '#!/bin/sh\nexec /usr/bin/qemu-x86_64-static /root/.silabs/slt/engines/conan/conan_engine-bin "$@"\n' > /root/.silabs/slt/engines/conan/conan_engine \
         && chmod +x /root/.silabs/slt/engines/conan/conan_engine \
         # Remove --execve from slt wrapper once we install conan, so native tools (tar, etc.) run without QEMU
         && printf '#!/bin/sh\nexec /usr/bin/qemu-x86_64-static /usr/bin/slt-bin "$@"\n' > /usr/bin/slt \
@@ -132,14 +153,13 @@ RUN set -e \
     && slt --non-interactive install \
         cmake/3.30.2 \
         ninja/1.12.1 \
-        commander/1.23.1 \
-        slc-cli/6.0.17 \
-        simplicity-sdk/2025.6.2 \
-        zap/2026.02.26 \
-    # conan cannot resolve two copies of the same package, even with different versions,
-    # in a single command
-    && slt --non-interactive install \
-        simplicity-sdk/2025.12.1 \
+        commander/1.24.1 \
+        slc-cli/6.0.22 \
+        simplicity-sdk/2026.6.0 \
+        zap/2026.06.17 \
+    # We don't currently use the LLVM toolchain that is pulled in as a default
+    # dependency. Uninstall it to save space.
+    && slt --non-interactive uninstall --force llvm-arm-toolchain-for-embedded \
     # Clean up download caches to reduce image size
     && rm -rf /root/.silabs/slt/installs/archive/*.zip \
               /root/.silabs/slt/installs/archive/*.tar.* \
@@ -180,17 +200,24 @@ RUN set -e \
        libpng16-16 \
        libpcre2-16-0 \
        libglib2.0-0 \
+       # Needed at runtime by the zstd-enabled cc1/cc1plus/lto1 swapped in below (ARM64)
+       libzstd1 \
     && rm -rf /var/lib/apt/lists/* \
     # Fix git permission error when building locally
     && git config --global --add safe.directory '*'
 
 # Copy from parallel stages
-COPY --from=gecko-sdk-v4.5.0 /out /gecko_sdk_4.5.0
 COPY --from=python-venv /opt/pythons /opt/pythons
 COPY --from=python-venv /opt/venv /opt/venv
 COPY --from=qemu-execve-builder /usr/src/qemu/build/qemu-x86_64 /usr/bin/qemu-x86_64-static
 COPY --from=slt-toolchain /usr/bin/slt* /usr/bin/
 COPY --from=slt-toolchain /root/.silabs /root/.silabs
+COPY --from=zstd-gcc-builder /opt/zstd-gcc /tmp/zstd-gcc
+RUN if [ "$TARGETARCH" = "arm64" ]; then set -eux \
+        && d="$(dirname "$(find /root/.silabs -path '*/libexec/gcc/arm-none-eabi/*' -name lto1 | head -1)")" \
+        && cp /tmp/zstd-gcc/cc1 /tmp/zstd-gcc/cc1plus /tmp/zstd-gcc/lto1 "$d/"; \
+    fi \
+    && rm -rf /tmp/zstd-gcc
 
 # Signal to the firmware builder script that we are running within Docker
 ENV SILABS_FIRMWARE_BUILD_CONTAINER=1

extension/nabucasa_hardware_extension/src/zbt2_router_callbacks.c

@@ -192,13 +192,17 @@ static void sync_light_state(uint8_t endpoint)
 // Commissioning event handler - starts network steering
 static void commissioning_retry_event_handler(sl_zigbee_af_event_t *event)
 {
+  (void)event;
+
   if (sl_zigbee_af_network_state() != SL_ZIGBEE_JOINED_NETWORK) {
     // Switch from white pulse (ready) to blue pulse (searching)
     led_pattern_t search_pattern = {
         .mode = LED_MODE_PULSE,
         .color = LED_COLOR_SEARCH_BLUE,
         .period_ms = 2760,
-        .duration_ms = 0
+        .duration_ms = 0,
+        .brightness_min = 6554,  // ~10%
+        .brightness_max = 65535,
     };
     led_manager_set_pattern(LED_PRIORITY_BACKGROUND, &search_pattern);
 
@@ -248,6 +252,10 @@ void sl_zigbee_af_network_steering_complete_cb(sl_status_t status,
                                                uint8_t joinAttempts,
                                                uint8_t finalState)
 {
+  (void)totalBeacons;
+  (void)joinAttempts;
+  (void)finalState;
+
   sl_zigbee_app_debug_println("Network steering complete: 0x%X", status);
 
   if (status != SL_STATUS_OK) {
@@ -268,6 +276,11 @@ void sl_zigbee_af_post_attribute_change_cb(uint8_t endpoint,
                                            uint8_t size,
                                            uint8_t* value)
 {
+  (void)manufacturerCode;
+  (void)type;
+  (void)size;
+  (void)value;
+
   if (mask != CLUSTER_MASK_SERVER) {
     return;
   }

manifests/nabucasa/skyconnect/skyconnect_bootloader.yaml

@@ -2,8 +2,8 @@ name: SkyConnect Bootloader
 device: EFR32MG21A020F512IM32
 base_project: src/bootloader
 filename: "{manifest_name}_{gecko_bootloader_version}"
-sdk: "gecko_sdk:4.5.0"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: gecko-bootloader

manifests/nabucasa/skyconnect/skyconnect_openthread_rcp.yaml

@@ -2,14 +2,17 @@ name: SkyConnect OpenThread RCP
 device: EFR32MG21A020F512IM32
 base_project: src/openthread_rcp
 filename: "{manifest_name}_{ot_rcp_version.split('/')[-1]}_gsdk_{sdk_version}"
-sdk: "simplicity_sdk:2025.6.2"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: openthread_rcp
   ot_rcp_version: dynamic
   baudrate: 460800
 
+sdk_patches:
+  - disable_gp_rx_filter.patch
+
 add_components:
 - id: iostream_usart
   instance: [vcom]

manifests/nabucasa/skyconnect/skyconnect_zigbee_ncp.yaml

@@ -2,8 +2,8 @@ name: SkyConnect Zigbee
 device: EFR32MG21A020F512IM32
 base_project: src/zigbee_ncp
 filename: "{manifest_name}_{ezsp_version}"
-sdk: "gecko_sdk:4.5.0"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: zigbee_ncp
@@ -32,35 +32,44 @@ c_defines:
   XNCP_BUILD_STRING: template:"{now:%Y%m%d%H%M%S}"
   XNCP_MANUAL_SOURCE_ROUTE_TABLE_SIZE: 200
 
-  EMBER_APS_UNICAST_MESSAGE_COUNT: 32
-  EMBER_BINDING_TABLE_SIZE: 32
-  EMBER_BROADCAST_TABLE_SIZE: 64
-  EMBER_KEY_TABLE_SIZE: 12
-  EMBER_MAX_END_DEVICE_CHILDREN: 32
-  EMBER_PACKET_BUFFER_COUNT: 255
-  EMBER_SOURCE_ROUTE_TABLE_SIZE: 200
+  SL_ZIGBEE_APS_UNICAST_MESSAGE_COUNT: 64
+  SL_ZIGBEE_BINDING_TABLE_SIZE: 32
+  SL_ZIGBEE_BROADCAST_TABLE_SIZE: 64
+  SL_ZIGBEE_KEY_TABLE_SIZE: 12
+  SL_ZIGBEE_MAX_END_DEVICE_CHILDREN: 32
+  SL_ZIGBEE_SOURCE_ROUTE_TABLE_SIZE: 200
+  SL_ZIGBEE_NEIGHBOR_TABLE_SIZE: 26
+  SL_ZIGBEE_ADDRESS_TABLE_SIZE: 32
 
-  EMBER_CHILD_TABLE_SIZE:
+  SL_ZIGBEE_CHILD_TABLE_SIZE:
     type: c_flag
     value: 32
 
-  EMBER_ROUTE_TABLE_SIZE:
+  SL_ZIGBEE_ROUTE_TABLE_SIZE:
     type: c_flag
     value: 250
 
+  SL_ZIGBEE_MULTICAST_TABLE_SIZE:
+    type: c_flag
+    value: 26
+
+  SL_ZIGBEE_DISCOVERY_TABLE_SIZE:
+    type: c_flag
+    value: 8
+
   SL_IOSTREAM_USART_VCOM_BAUDRATE: 115200
   SL_IOSTREAM_USART_VCOM_FLOW_CONTROL_TYPE: usartHwFlowControlCtsAndRts
 
   SL_IOSTREAM_USART_VCOM_PERIPHERAL: USART0
   SL_IOSTREAM_USART_VCOM_PERIPHERAL_NO: 0
 
-  SL_IOSTREAM_USART_VCOM_TX_PORT: gpioPortA
+  SL_IOSTREAM_USART_VCOM_TX_PORT: SL_GPIO_PORT_A
   SL_IOSTREAM_USART_VCOM_TX_PIN:  6
-  SL_IOSTREAM_USART_VCOM_RX_PORT: gpioPortA
+  SL_IOSTREAM_USART_VCOM_RX_PORT: SL_GPIO_PORT_A
   SL_IOSTREAM_USART_VCOM_RX_PIN:  5
-  SL_IOSTREAM_USART_VCOM_CTS_PORT: gpioPortB
+  SL_IOSTREAM_USART_VCOM_CTS_PORT: SL_GPIO_PORT_B
   SL_IOSTREAM_USART_VCOM_CTS_PIN:  1
-  SL_IOSTREAM_USART_VCOM_RTS_PORT: gpioPortB
+  SL_IOSTREAM_USART_VCOM_RTS_PORT: SL_GPIO_PORT_B
   SL_IOSTREAM_USART_VCOM_RTS_PIN:  0
 
   SL_IOSTREAM_USART_VCOM_RX_BUFFER_SIZE: 128

manifests/nabucasa/yellow/yellow_bootloader.yaml

@@ -2,8 +2,8 @@ name: Yellow Bootloader
 device: MGM210PA32JIA
 base_project: src/bootloader
 filename: "{manifest_name}_{gecko_bootloader_version}"
-sdk: "gecko_sdk:4.5.0"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: gecko-bootloader

manifests/nabucasa/yellow/yellow_openthread_rcp.yaml

@@ -2,14 +2,17 @@ name: Yellow OpenThread RCP
 device: MGM210PA32JIA
 base_project: src/openthread_rcp
 filename: "{manifest_name}_{ot_rcp_version.split('/')[-1]}_gsdk_{sdk_version}"
-sdk: "simplicity_sdk:2025.6.2"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: openthread_rcp
   ot_rcp_version: dynamic
   baudrate: 460800
 
+sdk_patches:
+  - disable_gp_rx_filter.patch
+
 add_components:
 - id: iostream_usart
   instance: [vcom]

manifests/nabucasa/yellow/yellow_zigbee_ncp.yaml

@@ -2,8 +2,8 @@ name: Yellow Zigbee
 device: MGM210PA32JIA
 base_project: src/zigbee_ncp
 filename: "{manifest_name}_{ezsp_version}"
-sdk: "gecko_sdk:4.5.0"
-toolchain: "12.2.1.20221205"
+sdk: "simplicity_sdk:2026.6.0"
+toolchain: "14.2.1.20241119"
 
 gbl:
   fw_type: zigbee_ncp
@@ -34,47 +34,63 @@ add_components:
   vendor: nabucasa
   package: xncp_common
 
+# SLC validates clock settings before c_defines are patched, use `configuration`
+configuration:
+  SL_CLOCK_MANAGER_PCLK_DIVIDER: SL_CLOCK_MANAGER_PCLK_DIV_MIN
+
 c_defines:
+  # SDK bug: the PCLK divider is set to 1 for the MGM210, it is set to 2 everywhere else
+  SL_CLOCK_MANAGER_PCLK_DIVIDER: SL_CLOCK_MANAGER_PCLK_DIV_MIN
+
   XNCP_MFG_MANUF_NAME: '"Nabu Casa"'
   XNCP_MFG_BOARD_NAME: '"Home Assistant Yellow"'
   XNCP_BUILD_STRING: template:"{now:%Y%m%d%H%M%S}"
   XNCP_MANUAL_SOURCE_ROUTE_TABLE_SIZE: 200
 
-  EMBER_APS_UNICAST_MESSAGE_COUNT: 32
-  EMBER_BINDING_TABLE_SIZE: 32
-  EMBER_BROADCAST_TABLE_SIZE: 64
-  EMBER_KEY_TABLE_SIZE: 12
-  EMBER_MAX_END_DEVICE_CHILDREN: 32
-  EMBER_PACKET_BUFFER_COUNT: 255
-  EMBER_SOURCE_ROUTE_TABLE_SIZE: 200
+  SL_ZIGBEE_APS_UNICAST_MESSAGE_COUNT: 64
+  SL_ZIGBEE_BINDING_TABLE_SIZE: 32
+  SL_ZIGBEE_BROADCAST_TABLE_SIZE: 64
+  SL_ZIGBEE_KEY_TABLE_SIZE: 12
+  SL_ZIGBEE_MAX_END_DEVICE_CHILDREN: 32
+  SL_ZIGBEE_SOURCE_ROUTE_TABLE_SIZE: 200
+  SL_ZIGBEE_NEIGHBOR_TABLE_SIZE: 26
+  SL_ZIGBEE_ADDRESS_TABLE_SIZE: 32
 
-  EMBER_CHILD_TABLE_SIZE:
+  SL_ZIGBEE_CHILD_TABLE_SIZE:
     type: c_flag
     value: 32
 
-  EMBER_ROUTE_TABLE_SIZE:
+  SL_ZIGBEE_ROUTE_TABLE_SIZE:
     type: c_flag
     value: 250
 
+  SL_ZIGBEE_MULTICAST_TABLE_SIZE:
+    type: c_flag
+    value: 26
+
+  SL_ZIGBEE_DISCOVERY_TABLE_SIZE:
+    type: c_flag
+    value: 8
+
   SL_IOSTREAM_USART_VCOM_BAUDRATE: 115200
   SL_IOSTREAM_USART_VCOM_FLOW_CONTROL_TYPE: usartHwFlowControlCtsAndRts
 
   SL_IOSTREAM_USART_VCOM_PERIPHERAL: USART0
   SL_IOSTREAM_USART_VCOM_PERIPHERAL_NO: 0
 
-  SL_IOSTREAM_USART_VCOM_TX_PORT: gpioPortA
+  SL_IOSTREAM_USART_VCOM_TX_PORT: SL_GPIO_PORT_A
   SL_IOSTREAM_USART_VCOM_TX_PIN:  5
-  SL_IOSTREAM_USART_VCOM_RX_PORT: gpioPortA
+  SL_IOSTREAM_USART_VCOM_RX_PORT: SL_GPIO_PORT_A
   SL_IOSTREAM_USART_VCOM_RX_PIN:  6
-  SL_IOSTREAM_USART_VCOM_CTS_PORT: gpioPortD
+  SL_IOSTREAM_USART_VCOM_CTS_PORT: SL_GPIO_PORT_D
   SL_IOSTREAM_USART_VCOM_CTS_PIN:  2
-  SL_IOSTREAM_USART_VCOM_RTS_PORT: gpioPortC
+  SL_IOSTREAM_USART_VCOM_RTS_PORT: SL_GPIO_PORT_C
   SL_IOSTREAM_USART_VCOM_RTS_PIN:  1
 
   SL_IOSTREAM_USART_VCOM_RX_BUFFER_SIZE: 128
 
   SL_SIMPLE_LED_BOARD_ACTIVITY_POLARITY: SL_SIMPLE_LED_POLARITY_ACTIVE_LOW
-  SL_SIMPLE_LED_BOARD_ACTIVITY_PORT:     gpioPortB
+  SL_SIMPLE_LED_BOARD_ACTIVITY_PORT:     SL_GPIO_PORT_B
   SL_SIMPLE_LED_BOARD_ACTIVITY_PIN:      1
 
   BOARD_ACTIVITY_LED_INSTANCE: sl_led_board_activity