Function cached_kernel

tests/integration/kernel_integration.rs:29–41

Kernel built from the per-module stdlib objects plus my_kernel (no source concatenation). This is what most tests boot.

()

                .join("crates/os-runtime/kernel/kernel.build"),
        )
        .expect("kernel build file parse");
        BuildExecutor::build(&manifest)
            .expect("kernel manifest build")
            .linked
    })
}

// Built the way the GUI does it, per stdlib module. Covers the separate-object
// link path (the "9 enable" page fault) that the single-concat path misses.
fn cached_kernel_multi_module() -> &'static AssembledOutput {
    static KERNEL: OnceLock<AssembledOutput> = OnceLock::new();
    KERNEL.get_or_init(|| {
        let manifest = BuildManifest::from_file(
            std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
                .join("crates/os-runtime/kernel/kernel.build"),
        )