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1# To build, use: 2# nix-build nixos -I nixos-config=nixos/modules/installer/sd-card/sd-image-riscv64-qemu.nix -A config.system.build.sdImage 3{ 4 config, 5 lib, 6 pkgs, 7 ... 8}: 9 10{ 11 imports = [ 12 ../../profiles/base.nix 13 ./sd-image.nix 14 ]; 15 16 boot.loader = { 17 grub.enable = false; 18 generic-extlinux-compatible = { 19 enable = true; 20 21 # Don't even specify FDTDIR - We do not have the correct DT 22 # The DTB is generated by QEMU at runtime 23 useGenerationDeviceTree = false; 24 }; 25 }; 26 27 boot.consoleLogLevel = lib.mkDefault 7; 28 boot.kernelParams = [ 29 "console=tty0" 30 "console=ttyS0,115200n8" 31 ]; 32 33 sdImage = { 34 populateFirmwareCommands = ""; 35 populateRootCommands = '' 36 mkdir -p ./files/boot 37 ${config.boot.loader.generic-extlinux-compatible.populateCmd} -c ${config.system.build.toplevel} -d ./files/boot 38 ''; 39 }; 40}