143 lines
3.0 KiB
Nix
143 lines
3.0 KiB
Nix
{
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description = "Blade";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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self.submodules = true;
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};
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outputs =
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{ nixpkgs, ... }:
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let
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system = "x86_64-linux";
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pkgs = nixpkgs.legacyPackages.${system}.pkgsStatic;
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hostPkgs = nixpkgs.legacyPackages.${system};
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mruby = pkgs.stdenv.mkDerivation {
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pname = "mruby";
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version = "0.0.1";
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src = pkgs.lib.cleanSourceWith {
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src = ./libs;
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name = "mruby-src";
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};
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patches = [
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./libs/changes.patch
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];
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nativeBuildInputs = with hostPkgs; [
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ruby
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gnumake
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];
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buildPhase = ''
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cd mruby
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rake
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'';
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installPhase = ''
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mkdir -p $out
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cp -r build/host/lib $out/lib
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cp -r build/host/include $out/include
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mkdir -p $out/bin
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cp build/host/bin/mrbc $out/bin/mrbc
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'';
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};
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blade = pkgs.stdenv.mkDerivation {
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pname = "blade";
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version = "0.1.0";
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src = ./.;
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nativeBuildInputs = with hostPkgs; [
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bash
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pkg-config
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gnumake
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findutils
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binutils
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cpio
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gzip
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];
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buildInputs = [
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pkgs.pkgsStatic.busybox
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mruby
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];
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buildPhase = ''
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make \
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MRUBY_CFLAGS="-I${mruby}/include" \
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MRUBY_LIBS="-L${mruby}/lib -lmruby" \
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BUSYBOX="${pkgs.pkgsStatic.busybox}/bin/busybox"
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'';
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installPhase = ''
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mkdir -p $out/bin
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cp bin/blade $out/bin/blade
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cp bin/initramfs.cpio.gz $out/bin/initramfs.cpio.gz
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'';
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};
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run-blade = hostPkgs.writeShellScriptBin "run-blade" ''
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set -euo pipefail
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exec ${hostPkgs.qemu}/bin/qemu-system-x86_64 \
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--enable-kvm \
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-m 512M \
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-smp 2 \
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-kernel "${hostPkgs.linux}/bzImage" \
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-initrd ${blade}/bin/initramfs.cpio.gz \
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-append "console=ttyS0 rdinit=/init" \
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-nographic
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'';
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in
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{
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packages.${system} = {
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default = blade;
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blade = blade;
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mruby = mruby;
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run-blade = run-blade;
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};
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apps.${system} = {
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default = {
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type = "app";
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program = "${run-blade}/bin/run-blade";
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};
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};
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devShells.${system}.default = pkgs.mkShell {
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inputsFrom = [ blade ];
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packages = with hostPkgs; [
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linux
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qemu
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cpio
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gzip
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clang-tools
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pkg-config
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ccache
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gnumake
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bear
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ruby
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gdb
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binutils
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findutils
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];
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shellHook = ''
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export CC="ccache $CC"
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export CXX="ccache $CXX"
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export MRUBY_CFLAGS=-I${mruby}/include
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export MRUBY_LIBS="-L${mruby}/lib -lmruby"
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export BUSYBOX="${pkgs.pkgsStatic.busybox}/bin/busybox"
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export LINUX="${hostPkgs.linux}/bzImage"
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'';
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};
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};
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}
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