Robert Allan JamesandClaude Sonnet 5
d9da82b065
Increment 2: WIREBIND user VMs (the ones that actually run FORTH work; console VMs are pure REPL proxies and never participate) register as Stage 3 switch-signal participants at attach, unregister at teardown. Slot table bumped 8 -> 16, matching messaging.4th's own VM-MAX -- a real, already-agreed ceiling, not an invented number. Added sk_vm_switch_signal_unregister() (compaction-based; Tripod VMs never needed removal, WIREBIND VMs cycle constantly and would otherwise exhaust the bounded table). Increment 3: implements the plan's own ratified option (A) for the async-detach UAF risk -- mark-and-defer via a new pending_reap flag on VMRegistryEntry, deliberately not a new VMState (capsule_vm_kill() already treats VM_STATE_DEAD as idempotent success, which would silently swallow a reap attempt; SWITCHED_OUT still accurately describes a tombstoned VM until the moment it's actually freed). unclean_detach() sets it when capsule_vm_kill() refuses a SWITCHED_OUT target; the Stage 3 checkpoint (vm_core.c) checks it before ever attempting to resume a pending switch target, and calls the new capsule_vm_force_reap() instead -- the one caller allowed to bypass capsule_vm_kill()'s own refusal, because it runs at the exact safe cooperative point the switcher itself controls. A new idle-tick sweep cleans up the WIREBIND live-table entry once the reap has actually happened. Verified clean on all 3 architectures (baseline regression -- no WIREBIND attach happens in a plain boot). The reap mechanism's own correctness under a genuinely parked context is verified separately, next, via a temporary deterministic probe. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01BWpNjdwPtFLuVLaAq44L9K
include/starkernel/
Headers for LithosAnanke, the bare-metal UEFI kernel (src/starkernel/).
Built only via Makefile.starkernel; gated by __STARKERNEL__ when shared
with hosted code.
uefi.h— UEFI protocol/type definitions consumed by the loader.elf64.h,elf_loader.h— ELF64 parsing and kernel-image loading.boot_info_offsets.h— struct-offset constants shared between the assembly bootstrap and the C boot path.arch.h,apic.h,timer.h— architecture init, APIC interrupt controller, timer (TSC/HPET/APIC, 100 Hz heartbeat).console.h,framebuffer.h,vt100.h— UART 16550 console, framebuffer driver, and VT100 terminal emulation over the framebuffer.pmm.h,vmm.h,kmalloc.h— physical memory manager (bitmap allocator), 4-level x86_64 paging, kernel heap allocator.pci.h,virtio_blk.h— PCI enumeration and the VirtIO block device driver (disk backend for the kernel block subsystem).capsule.h,capsule_birth.h,capsule_loader.h,capsule_run.h,capsule_vm_physics.h,capsule_generated.h— capsule system types, birth protocol, physics-runtime capsule bindings, and the build-time- generated capsule directory (seetools/mkcapsule.c).kernel_args.h,cmdline.h— boot-time kernel argument parsing (starforth.cfg/ command line).repl.h— kernel REPL.log.h,doe_log.h— kernel logging and DoE metrics logging.q48_16.h— kernel-build copy of Q48.16 fixed-point arithmetic.xxhash64.h— content-addressing hash used for capsule IDs.hal_memory.h— hardware-abstraction-layer memory interface.
Subdirectories:
hal/— top-level hardware-abstraction-layer interface.vm/— kernel VM subsystem headers (capsule arena, parity logging, bootstrap wiring).freestanding/— minimal libc-shim headers (assert.h,ctype.h,errno.h,inttypes.h,math.h,sched.h,signal.h,stdio.h,stdlib.h,string.h,time.h,sys/time.h,sys/types.h) for building shared VM code in the freestanding kernel environment, where no real libc is available.