forked from dan/liminix
93 lines
2.4 KiB
Nix
93 lines
2.4 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 = "aarch64-unknown-linux-musl";
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};
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};
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module = {pkgs, config, ... }: {
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kernel = {
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src = pkgs.pkgsBuildBuild.fetchurl {
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name = "linux.tar.gz";
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url = "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.15.71.tar.gz";
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hash = "sha256-yhO2cXIeIgUxkSZf/4aAsF11uxyh+UUZu6D1h92vCD8=";
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};
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config = {
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CPU_LITTLE_ENDIAN= "y";
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CPU_BIG_ENDIAN= "n";
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VIRTUALIZATION = "y";
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ACPI="y";
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ARM64_VA_BITS_48="y";
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# ARM_MHU="y";
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# PLATFORM_MHU="y";
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ARM_SMMU="y";
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ARM_SMMU_V3="y";
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ARCH_VEXPRESS = "y";
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PCI_HOST_GENERIC="y";
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MTD = "y";
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MTD_BLOCK2MTD = "y";
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MTD_BLKDEVS = "y";
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MTD_BLOCK = "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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# https://stackoverflow.com/a/68340492
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CMDLINE="\"earlycon=ttyS0 console=ttyS0\"";
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CMDLINE_FROM_BOOTLOADER = "y";
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ARM64 = "y";
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PINCTRL = "y";
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EFI_EARLYCON = "y";
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SERIAL_EARLYCON_ARM_SEMIHOST = "y"; # earlycon=smh
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SERIAL_AMBA_PL011 = "y";
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SERIAL_AMBA_PL011_CONSOLE = "y";
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SERIAL_8250= "y";
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SERIAL_8250_CONSOLE= "y";
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SERIAL_EARLYCON = "y";
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};
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};
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hardware =
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let
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mac80211 = pkgs.mac80211.override {
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drivers = ["mac80211_hwsim"];
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klibBuild = config.system.outputs.kernel.modulesupport;
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};
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in {
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defaultOutput = "vmroot";
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loadAddress = "0x0";
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entryPoint = "0x0";
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dts.src = ./empty.dts;
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rootDevice = "/dev/mtd1";
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flash.eraseBlockSize = "65536"; # c.f. pkgs/mips-vm/mips-vm.sh
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networkInterfaces =
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let inherit (config.system.service.network) link;
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in {
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wan = link.build { ifname = "eth0"; };
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lan = link.build { ifname = "eth1"; };
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wlan_24 = link.build {
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ifname = "wlan0";
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dependencies = [ mac80211 ];
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};
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};
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};
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};
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}
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