37 lines
1.4 KiB
Zig
37 lines
1.4 KiB
Zig
const std = @import("std");
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pub fn build(b: *std.Build) void {
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var disabled_features = std.Target.Cpu.Feature.Set.empty;
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var enabled_features = std.Target.Cpu.Feature.Set.empty;
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disabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.mmx));
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disabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.sse));
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disabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.sse2));
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disabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.avx));
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disabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.avx2));
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enabled_features.addFeature(@intFromEnum(std.Target.x86.Feature.soft_float));
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const target_query = std.Target.Query{
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.cpu_arch = std.Target.Cpu.Arch.x86,
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.os_tag = std.Target.Os.Tag.freestanding,
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.abi = std.Target.Abi.none,
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.cpu_features_sub = disabled_features,
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.cpu_features_add = enabled_features,
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};
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const optimize = b.standardOptimizeOption(.{});
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const kernel = b.addExecutable(.{
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.name = "kernel.elf",
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.root_source_file = b.path("src/main.zig"),
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.target = b.resolveTargetQuery(target_query),
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.optimize = optimize,
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.code_model = .kernel,
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});
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kernel.setLinkerScript(b.path("src/linker.ld"));
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b.installArtifact(kernel);
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const kernel_step = b.step("kernel", "Build the kernel");
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kernel_step.dependOn(&kernel.step);
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}
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