Robert Allan James
5689c397fc
Code review fixes, all compile clean (hosted gcc + aarch64/riscv64 kernel flags):
- repl.c (H1): reentrancy guards on the MSG-TICK idle pump. sk_repl_idle()
now defers when Hera is mid-interpret (g_mama_interpreting) or when its
own vm_interpret is on the stack (g_idle_pump_active), so a blocking
KEY/EXPECT/QUERY inside a dispatched line can no longer re-enter the
interpreter and clobber the in-flight input buffer.
- virtio_rng.c: clamp device-returned used_len to VRNG_BUF_SIZE before the
caller's data_buf copy, closing a device-controlled OOB read.
- block_subsystem.c: first-write path now keys off created_time==0 instead
of dead magic==0 so fresh blocks get a real created_time stamp; first_free/
last_allocated fixed to absolute Forth LBNs (set in blk_compute_fresh_geometry
from slot->start_lbn, no longer the wrong physical-BAM-index values from
compute_totals_from_B); physical-bounds guard on blk_meta_zone_read/write
prevents unsigned underflow on a corrupt fence >= device size.
- capsule_zuse_boot.c / capsule_wirebind.c: identity seed validated magic ->
version -> CRC-64 (compute_crc64 over offsetof(crc)) before trusting it,
so a corrupt/format-mismatched record is refused, never loaded.
- log.h / starkernel/log.h: unused LOG_LINE_MAX 256 renamed LOG_MSG_LINE_MAX
to lift the include-order collision with vm.h's LOG_LINE_MAX 64; stale
include-order comments dropped (kernel_main.c, shim.c, capsule_birth.c).
- FABRIC-3.md: three stale-doc carry-forward items closed [x] with cbe7b49
notes.
Real KEY/?TERMINAL/QUERY/EXPECT bodies (console WIP):
- repl.h/repl.c: sk_console_getkey()/sk_console_key_available()/
sk_console_readline() public bodies; non-destructive peek buffers the
found byte so a following KEY returns it.
- shim.c: getchar()/fgetc()/fgets()/sf_terminal_ready() routed through the
real console paths instead of stubs; sf_terminal_ready() in platform_io.h
with sf_terminal_ready() implemented for the hosted build (linux/io.c,
POSIX select on fd 0) wired into Makefile.
- io_words.c: ?TERMINAL now returns actual terminal-readiness, not constant 0.
Artifacts: minted disk/artemis.img + rebuilt lfs kernel; BLOCK_MAP.md,
doe csv + qemu log regenerated.
src/platform/
Platform abstraction layer for the hosted VM build.
alloc_host.c— hosted (malloc-backed) allocator implementation ofinclude/platform_alloc.h.alloc_kernel.c— a kernel-side allocator implementation of the same interface. Note:src/starkernel/vm/alloc_kernel.cis the copy actually referenced byMakefile.starkernel's kernel build; this one undersrc/platform/is not wired into any build target — check before relying on it.platform_init.c— platform-specific initialization dispatch.threading.c— threading primitives backing the heartbeat background thread (HEARTBEAT_THREAD_ENABLED=1).
Subdirectories:
linux/time.c— POSIX (clock_gettime) timing backend.l4re/time.c— HISTORICAL: L4Re/Fiasco.OC timing backend. L4Re was a supported platform target through mid-2026; it has been removed as an active target and this file is no longer wired into any build.