111 lines
3.4 KiB
Zig
111 lines
3.4 KiB
Zig
const std = @import("std");
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pub fn build(b: *std.Build) void {
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const target = b.standardTargetOptions(.{});
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const optimize = b.standardOptimizeOption(.{});
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const mod = b.addModule("danos", .{
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.root_source_file = b.path("src/root.zig"),
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.target = target,
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});
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const exe = b.addExecutable(.{
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.name = "danos",
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.root_module = b.createModule(.{
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.root_source_file = b.path("src/main.zig"),
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.target = target,
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.optimize = optimize,
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.imports = &.{
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.{ .name = "danos", .module = mod },
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},
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}),
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});
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b.installArtifact(exe);
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const efiexe = b.addExecutable(.{
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.name = "BOOTX64",
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.root_module = b.createModule(.{
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.root_source_file = b.path("src/efi.zig"),
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.target = b.resolveTargetQuery(.{
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.cpu_arch = .x86_64,
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.os_tag = .uefi,
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}),
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.optimize = optimize,
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}),
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});
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b.installArtifact(efiexe);
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// --- run-efi: boot BOOTX64.efi in QEMU with OVMF firmware ---
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// OVMF paths follow the Arch (edk2-ovmf) layout; override with -Dovmf-code
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// and -Dovmf-vars if your distro installs them elsewhere.
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const ovmf_code = b.option(
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[]const u8,
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"ovmf-code",
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"Path to the OVMF_CODE firmware image",
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) orelse "/usr/share/edk2/x64/OVMF_CODE.4m.fd";
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const ovmf_vars = b.option(
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[]const u8,
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"ovmf-vars",
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"Path to the OVMF_VARS firmware image (a writable copy is made)",
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) orelse "/usr/share/edk2/x64/OVMF_VARS.4m.fd";
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// Assemble an EFI System Partition layout: esp/EFI/BOOT/BOOTX64.efi
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const efi_install = b.addInstallArtifact(efiexe, .{
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.dest_dir = .{ .override = .{ .custom = "esp/EFI/BOOT" } },
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});
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// The firmware needs to write NVRAM, so give it a writable copy of the vars.
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const vars_copy = b.addSystemCommand(&.{ "cp", "-f", ovmf_vars });
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const vars_out = vars_copy.addOutputFileArg("OVMF_VARS.4m.fd");
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const run_efi = b.addSystemCommand(&.{
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"qemu-system-x86_64",
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"-machine",
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"q35",
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"-m",
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"128M",
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"-drive",
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b.fmt("if=pflash,format=raw,readonly=on,file={s}", .{ovmf_code}),
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});
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run_efi.addArg("-drive");
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run_efi.addPrefixedFileArg("if=pflash,format=raw,file=", vars_out);
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// Present the ESP directory to the guest as a FAT drive.
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run_efi.addArgs(&.{
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"-drive",
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b.fmt("format=raw,file=fat:rw:{s}/esp", .{b.install_path}),
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"-net",
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"none",
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});
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run_efi.step.dependOn(&efi_install.step);
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const run_efi_step = b.step("run-efi", "Boot the EFI app in QEMU (OVMF)");
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run_efi_step.dependOn(&run_efi.step);
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// const run_cmd = b.addRunArtifact(exe);
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// const run_step = b.step("run", "Run the app");
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// run_step.dependOn(&run_cmd.step);
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// run_cmd.step.dependOn(b.getInstallStep());
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//
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// if (b.args) |args| {
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// run_cmd.addArgs(args);
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// }
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const mod_tests = b.addTest(.{
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.root_module = mod,
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});
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const run_mod_tests = b.addRunArtifact(mod_tests);
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const exe_tests = b.addTest(.{
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.root_module = exe.root_module,
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});
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const run_exe_tests = b.addRunArtifact(exe_tests);
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const test_step = b.step("test", "Run tests");
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test_step.dependOn(&run_mod_tests.step);
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test_step.dependOn(&run_exe_tests.step);
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}
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