NixOS on RISCV/VisionFive 2: Difference between revisions
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If you want to use an alternative filesystem for system root, for example [[Btrfs]], you could change the <code>sdImage</code>-part to this | If you want to use an alternative filesystem for system root, for example [[Btrfs]], you could change the <code>sdImage</code>-part to this. Currently [https://github.com/NixOS/nixpkgs/pull/434122 this patch] is required to produce a functioning btrfs image. | ||
{{file|flake.nix|nix|<nowiki> | {{file|flake.nix|nix|<nowiki> | ||
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"compress=zstd" | "compress=zstd" | ||
"noatime" | "noatime" | ||
]; | ]; | ||
}; | }; | ||
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</syntaxhighlight>It is recommended to [[RISC-V#Binary cache|configure third-party binary caches]] to speed up build times. | </syntaxhighlight>It is recommended to [[RISC-V#Binary cache|configure third-party binary caches]] to speed up build times. | ||
= Tips and tricks = | |||
== Using the Visionfive 2 as a remote builder to build native RISCV packages for e.g. the Visionfive 2 == | |||
Building an NixOS system image that can be flashed to an SD card or NVMe SSD requires to '''build RISCV binaries''', more specifically for the <code>"riscv64-linux"</code>platform. From a typical Intel/AMD computer we can either | Building an NixOS system image that can be flashed to an SD card or NVMe SSD requires to '''build RISCV binaries''', more specifically for the <code>"riscv64-linux"</code>platform. From a typical Intel/AMD computer we can either | ||
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# '''flash that resulting image onto an SD card''' or NVMe SSD using a call similar to <code>zstdcat result/sd-image/nixos-sd-image-23.11.20230703.ea4c80b-riscv64-linux.img.zst | sudo dd of=/dev/mmcblk0 bs=100M status=progress</code> and place that card into the Visionfive 2. | # '''flash that resulting image onto an SD card''' or NVMe SSD using a call similar to <code>zstdcat result/sd-image/nixos-sd-image-23.11.20230703.ea4c80b-riscv64-linux.img.zst | sudo dd of=/dev/mmcblk0 bs=100M status=progress</code> and place that card into the Visionfive 2. | ||
== Deploy and Update the Visionfive 2 NixOS system once it's running NixOS == | |||
Once the Visionfive 2 is running NixOS, you can update it with newer NixOS system configurations using e.g. the usual <code>nix-rebuild</code> | Once the Visionfive 2 is running NixOS, you can update it with newer NixOS system configurations using e.g. the usual <code>nix-rebuild</code> | ||
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See [https://nixcademy.com/2023/08/10/nixos-rebuild-remote-deployment/ this guide] for a good explanation of this terminal call. | See [https://nixcademy.com/2023/08/10/nixos-rebuild-remote-deployment/ this guide] for a good explanation of this terminal call. | ||
= See also = | |||
* There's also a port of the UEFI reference implementation EDK2 available at https://github.com/starfive-tech/edk2 to support a future generic RISCV Linux image that can be booted from any RISCV device. | * There's also a port of the UEFI reference implementation EDK2 available at https://github.com/starfive-tech/edk2 to support a future generic RISCV Linux image that can be booted from any RISCV device. | ||