wasmux/wasmux/main/MakeScript.mjs

WebAssembly toolchain for compiling libc and kernel into system-level WASM modules

export default (mk) => {
  const headers = [
  ];

  const sources = [
    "InstanceExit.cpp",
    "InstancePerform.cpp",
    "StartKernel.cpp",
    "KernelVersion.cpp",
    "syscall_stubs.c",
  ];

  const includes = [
    mk.BINARY_DIR.join("include"),
    mk.SOURCE_DIR.join("include"),
  ];

  const libraries = [
    mk.target("wasmux"),
  ];

  if (mk.SYSTEM_PROCESSOR.match(/wasm(32|64)/)) {
    sources.push("StartKernel.S");
  }

  const worker_S = mk.BINARY_DIR.join("worker.S");
  mk.addCustomScript("mkcustsec.mjs", {
    SCRIPT_INPUT: mk.PROJECT_SOURCE_DIR.join("es6/worker.js"),
    SCRIPT_OUTPUT: worker_S,
    SCRIPT_SECTION: mk.WASMUX_WORKER_SECTION,
  });
  sources.push(worker_S);

  if (mk.SYSTEM_NAME === "Windows") {
    sources.push(
      "StartWindows.cpp",
      "kernel.lds",
    );
    mk.EXE_LINKER_FLAGS.push(
      "-Wl,--stack,65536",
      "-Wl,--script=" + mk.SOURCE_DIR.join("kapsule.lds"),
    );
  }

  mk.EXE_LINKER_FLAGS.push(
    "-Wl,--Map=" + mk.BINARY_DIR.join("kapsule.map"),
  );

  const kapsule = mk.addExecutable("kapsule", headers, sources);
  kapsule.addIncludes(includes);
  kapsule.addLibraries(libraries);

  mk.install(kapsule, "/boot");

  if (mk.SYSTEM_PROCESSOR.match(/wasm(32|64)/)) {
    kapsule.addLinkOptions("-Wl,--export=_start_kernel");

    const waeditor = mk.findProgram("waeditor");
    if (waeditor) {
      kapsule.addPostBuild(waeditor, [ "--add-user-memory", kapsule.targetFile ]);
    }
  }
}