Additive, cvar-gated instrumentation used to reverse-engineer Project
Sylpheed's cutscene-voice storage (movie -> continuous sound-stream cue
region). Default-off; no behaviour change.
- event_log.cc: MaybeEmitFileRead emits `file.read` events with the real
NtReadFile ByteOffset (from r10), length, handle->path, and buffer VA, so a
sound.pNN read offset can be mapped to a sound.pak TOC entry.
Gate: --phase_a_fileio_only=true --phase_a_event_log_path=<file>.
- cpu_flags.cc: phase_a_fileio_only cvar (+ xma_param_probe).
- xma_context_new.cc: XMA-PARAM probe in XmaContextNew::Decode (the decoder the
title actually uses) logging ctx/buffer/read-offset/channels/packets/byte_size
/signature — to confirm which bytes get decoded for a given cutscene.
Used to produce /tmp/rt_fileio.jsonl (RT01A playthrough), which cracked the
movie->voice mapping now implemented in sylpheed-reborn. Next: run the same
file.read trace on an unbound hokyu (e.g. hokyu_LS_s03A) to resolve which
VOICE_D the game streams for the 13 manifest-unbound resupply cutscenes.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Bring the cvar-gated JSONL extraction tracer (event_log) forward from the
phase-a-tracing line so args/args_resolved + file.read events are
available alongside the GPU draw logging. Purely additive:
- src/xenia/kernel/event_log.{cc,h}: the tracer (auto-globbed into the
kernel target). Tier 1 fills kernel.call args (raw r3..r10) +
args_resolved.path under --phase_a_trace_args; Tier 2 resolves
NtReadFile handle->path via the object table and emits file.read.
- cpu_flags: phase_a_event_log_path / _mem_writes / _trace_args /
_hash_probe / kernel_emit_contention (all default-off).
- shim_utils.h: phase_a_bridge decl + EmitImportAndCallWithCtx/EmitReturn
hooks in the active X::Trampoline, skipped when Enabled() is false.
Deliberately EXCLUDES the Tier-3 hash-probe HIR/emitter trap (the IPFB
name-hash was recovered statically, so the probe is moot). The
phase_a_hash_probe cvar is defined but inert.
Default-off => instrument-current behaviour byte-identical when unused.
Not yet compile-verified against instrument-current's toolchain.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Fixed PrefetchW feature check
Added prefetchw check to startup AVX check, there should be no CPUs that support AVX but not PrefetchW.
Init VRSAVE to all ones.
Removed unused disable_global_lock flag.
