#429 charges psx_icache_fetch before every instruction whose runtime PC is
uncached, in both emitters, and makes the BIOS emitter's cache-line start
test use the runtime PC. The OpenBIOS check finds no uncharged KSEG1 site,
so segment_aware_codegen passes with 10 known gaps; bios-kseg1-fetch-charge
has not been in KNOWN_GAPS since the ledger's first commit in this series.
The check stays as a regression guard: an uncharged site reports the id as
a new gap.
docs/SEGMENT_AWARE_CODE.md:
- §5.6 describes the charge as landed, including the runtime-PC line-start
fix. The game emitter already has the predicate, but emit_pre_icache
tests the compile address: PR B must route both its psx_fetch_uncached()
argument and the fetch tag through runtime_pc(), and D adds the KSEG1
variants they reach.
- §7.1 lists ten open ids and records how A's id left the ledger.
- §8 marks A merged, with its Beetle parity (shell entry -126 on OpenBIOS,
-454 on SCPH-1001; the residuals are the IsC gap and SCPH-1001's KSEG1
kernel entry). D now only needs the KSEG1 variants; kseg1-fetch-charge
stays open until D. The macOS oracle recipe is docs/beetle-macos.md (#431).
- §1, §3.5 and the header say the BIOS undercharge is fixed. §10 is
unchanged.
- §3.1, §3.5 and §5.2 cite the emitter lines as they are after #429
(code_generator.cpp +6, full_function_emitter.cpp +10).
FAITHFUL_TIMING_PLAN §5 gets a log entry for the rebase.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Shokunin
4630a0d9f7