Simple, kernel-only, 64bit OS, early stage. https://git.2137697.xyz/rs-dos/atom?h=qemu 2026-08-01T01:47:51Z 2026-08-01T01:47:51Z salmonik salmonik@tuta.io 2026-08-01T01:47:51Z urn:sha1:7c5603b2fed27be86982665a8b10dcd8f1c5a483 - edition = "2024" in the workspace manifest and rsdosedit - extern blocks must be unsafe: interrupts.rs ISR stubs -> unsafe extern "C" - #[no_mangle] -> #[unsafe(no_mangle)] (efi_main, isr_dispatch) - One missed static-mut read in free_list_insert wrapped in an explicit unsafe block (edition 2024 removed the implicit unsafe context inside unsafe fns) - rustfmt reflows for 2024: nested if-lets become let-chains, imports re-sorted, rsdosedit help-screen box rows wrapped No codegen-affecting changes. Validated: cargo check/clippy/fmt clean (host + uefi target), make test-disk PASS, editor round-trip PASS. 2026-07-31T14:01:46Z salmonik salmonik@tuta.io 2026-07-31T14:01:46Z urn:sha1:ba667148af04963f5d70c647511ea1fad1add21d - uefi.rs: full EFI_RUNTIME_SERVICES layout with reset_system at index 10 (spec order); EfiResetSystem type + RESET_* constants - power.rs: stash the runtime-services table pre-EBS; poweroff() calls ResetSystem(EfiResetShutdown) — still callable after ExitBootServices because we never call SetVirtualAddressMap, so the pointers keep working with physical addresses; falls back to the hlt loop - shell: 'poweroff' and 'exit' shut the machine down (QEMU exits), 'halt' keeps the plain hlt loop