92 lines
2.3 KiB
Nix
92 lines
2.3 KiB
Nix
{ config, lib, pkgs, modulesPath, ... }:
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{
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imports = [
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"${modulesPath}/installer/sd-card/sd-image.nix"
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];
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#boot.kernelPackages = pkgs.linuxPackages_latest;
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boot = {
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kernelPatches = [
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{
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name = assert false; "sbi-early-console";
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patch = null;
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extraConfig =
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# Early console via SBI
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''
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RISCV_SBI y
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RISCV_SBI_V01 y
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SERIAL_EARLYCON y
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SERIAL_EARLYCON_RISCV_SBI y
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HVC_DRIVER y
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HVC_RISCV_SBI y
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''
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# Allows regions of persistent memory to be described in the device-tree.
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+ ''
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OF_PMEM y
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''
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# Allow you to use a contiguous range of reserved memory as one or more
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# persistent block devices (/dev/pmem0)
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+ ''
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LIBNVDIMM y
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BLK_DEV_PMEM y
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''
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;
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}
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];
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initrd = {
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# Avoid zstd as we don't have the tools in "cucu" machine
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compressor = "gzip";
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kernelModules = [ ];
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};
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loader = {
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grub.enable = false;
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generic-extlinux-compatible.enable = true;
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};
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};
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sdImage = {
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# The image will be loaded as-is in memory, so no compression
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compressImage = false;
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imageName = "rootfs.img";
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# Not needed for now
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expandOnBoot = false;
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populateFirmwareCommands = "";
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populateRootCommands = ''
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mkdir -p ./files/boot
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${config.boot.loader.generic-extlinux-compatible.populateCmd} \
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-c ${config.system.build.toplevel} \
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-d ./files/boot
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'';
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};
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nixpkgs.overlays = [ (final: prev: {
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uboot = prev.ubootQemuRiscv64Smode.override {
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filesToInstall = [ "u-boot.bin" "u-boot-nodtb.bin" ];
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extraConfig = ''
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CONFIG_RISCV_ISA_C=n
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CONFIG_REQUIRE_SERIAL_CONSOLE=n
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CONFIG_SERIAL_SEARCH_ALL=y
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CONFIG_OF_CONTROL=y
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CONFIG_OF_BOARD=y
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CONFIG_OF_HAS_PRIOR_STAGE=y
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CONFIG_BLKMAP=y
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CONFIG_CMD_BLKMAP=y
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CONFIG_SBI_V01=y
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CONFIG_DEBUG_UART=y
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CONFIG_DEBUG_UART_ANNOUNCE=y
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CONFIG_DEBUG_SBI_CONSOLE=y
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'';
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};
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opensbi = prev.opensbi.overrideAttrs (old: {
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makeFlags = old.makeFlags ++ [
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"PLATFORM=fpga/openpiton"
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"FW_PAYLOAD_PATH=${final.uboot}/u-boot-nodtb.bin"
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];
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});
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}) ];
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}
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