70 lines
1.7 KiB
Nix
70 lines
1.7 KiB
Nix
# This "device" generates images that can be used with the QEMU
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# emulator. The default output is a directory containing separate
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# kernel (uncompressed vmlinux) and initrd (squashfs) images
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{
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system = {
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crossSystem = {
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config = "mips-unknown-linux-musl";
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gcc = {
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abi = "32";
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arch = "mips32"; # maybe mips_24kc-
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};
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};
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};
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overlay = final: prev:
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let inherit (final) stdenvNoCC fetchFromGitHub;
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in {
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sources = {
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kernel =
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let src = fetchFromGitHub {
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name = "kernel-source";
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owner = "torvalds";
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repo = "linux";
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rev = "3d7cb6b04c3f3115719235cc6866b10326de34cd"; # v5.19
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hash = "sha256-OVsIRScAnrPleW1vbczRAj5L/SGGht2+GnvZJClMUu4=";
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};
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in stdenvNoCC.mkDerivation {
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name = "spindled-kernel-tree";
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inherit src;
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phases = [
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"unpackPhase"
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"patchScripts" "installPhase"
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];
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patchScripts = ''
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patchShebangs scripts/
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'';
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installPhase = ''
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mkdir -p $out
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cp -a . $out
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'';
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};
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};
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};
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kernel = {
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checkedConfig = {
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MIPS_MALTA= "y";
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CPU_LITTLE_ENDIAN= "n";
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CPU_BIG_ENDIAN= "y";
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CPU_MIPS32_R2= "y";
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SQUASHFS = "y";
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SQUASHFS_XZ = "y";
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VIRTIO_MENU = "y";
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PCI = "y";
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VIRTIO_PCI = "y";
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BLOCK = "y";
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VIRTIO_BLK = "y";
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NETDEVICES = "y";
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VIRTIO_NET = "y";
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SERIAL_8250= "y";
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SERIAL_8250_CONSOLE= "y";
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};
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};
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outputs.default = "directory";
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}
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