Initial commit

build.zig

@@ -0,0 +1,44 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.resolveTargetQuery(.{
+        .cpu_arch = std.Target.Cpu.Arch.x86,
+        .ofmt = std.Target.ObjectFormat.elf,
+        .abi = std.Target.Abi.none,
+        .os_tag = std.Target.Os.Tag.freestanding,
+        .cpu_features_sub = std.Target.x86.featureSet(&.{
+            .mmx,
+            .sse,
+            .sse2,
+            .avx,
+            .avx2,
+        }),
+        .cpu_features_add = std.Target.x86.featureSet(&.{
+            .soft_float,
+        }),
+    });
+
+    const optimize = b.standardOptimizeOption(.{});
+
+    const kernel = b.addExecutable(.{
+        .name = "kernel",
+        .root_module = b.createModule(.{
+            .target = target,
+            .optimize = optimize,
+            .root_source_file = b.path("src/main.zig"),
+        }),
+    });
+    kernel.setLinkerScript(b.path("kernel.ld"));
+
+    b.installArtifact(kernel);
+
+    const qemu = b.addSystemCommand(&[_][]const u8{
+        "qemu-system-x86_64",
+    });
+    qemu.addArg("-kernel");
+    qemu.addFileArg(kernel.getEmittedBin());
+
+    const run = b.step("run", "Run QEMU");
+    run.dependOn(&qemu.step);
+}
+