Sigmastar Sdk Install Guide

Sigmastar_SSD222_SDK/ ├── build/ # Main build system (Makefile, scripts) ├── configs/ # Board configuration files (.cfg) ├── image/ # Output images (uImage, rootfs) ├── tools/ # Host tools (mksquashfs, mkimage) ├── toolchain/ # Cross-compiler (arm-linux-gnueabihf-) ├── boot/ # U-Boot source ├── kernel/ # Linux kernel source ├── rootfs/ # Prebuilt rootfs skeleton └── release/ # Final release scripts The SDK relies on a specific environment variable: SIGMASTAR_SDK_PATH . Create a setup script:

make rootfs BR2_ROOTFS_OVERLAY=../buildroot/output/target After a successful install and build, package the working SDK for colleagues: sigmastar sdk install

make uboot # Build only U-Boot make kernel # Build only kernel make rootfs # Build root filesystem make image # Pack final firmware image | Error Message | Likely Cause | Solution | |---|---|---| | /bin/sh: 1: lzop: not found | Missing LZO compression tool | sudo apt install lzop | | arm-linux-gnueabihf-gcc: No such file | Path not set or broken toolchain | Re-run source setup_sdk_env.sh | | xxx.h: No such file or directory | Kernel headers missing | Run ./install.sh inside SDK | | dtc: not found | Device Tree Compiler missing | sudo apt install device-tree-compiler | | multiple definition of yylloc | Flex/Bison version mismatch | Use Ubuntu 20.04 or patch Makefile | Part 5: Post-Install – Output Files and Flashing 5.1 Locating the Final Firmware After a successful make all , look in: RUN tar -xjf Sigmastar_SSD222_SDK

FROM ubuntu:20.04 RUN apt update && apt install -y build-essential git libssl-dev bc ... WORKDIR /opt/sdk COPY Sigmastar_SSD222_SDK.tar.bz2 . RUN tar -xjf Sigmastar_SSD222_SDK.tar.bz2 ENV SIGMASTAR_SDK_PATH=/opt/sdk/Sigmastar_SSD222_SDK Build with: sigmastar sdk install