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* Bump workspace to edition 2024salmonik2026-08-011-1/+1
| | | | | | | | | | | | | | - 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.
* power: proper shutdown via UEFI ResetSystem (ACPI S5)salmonik2026-07-311-0/+48
- 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