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handoff: VSync/event-wedge fixes + iterate 2.A–2.BC research notes

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Source changes (dormant parity infra, retained from iterate 2.AI/2.AO):
- xenia-kernel/exports.rs: nt_create_event manual_reset polarity +
  related event wiring
- xenia-gpu/mmio_region.rs: D1MODE_VBLANK_VLINE_STATUS hardcode parity

Also lands the audit-runs/ analysis notes (.md/.txt/.json digests) for the
iterate 2.x VSync/0x10e8/0x1004 wedge investigation. Raw trace dumps
(.jsonl/.gz/.csv/.stdout) and agent worktrees (.claude/) are gitignored as
regenerable local artifacts — see memory + HANDOFF for the running findings.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
MechaCat02
2026-06-05 07:19:08 +02:00
parent acd1656753
commit ef93a4fa14
620 changed files with 108303 additions and 1 deletions
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16
audit-runs/phase-c6half-xam-audit/fix.diff Normal file
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@@ -0,0 +1,16 @@
diff --git a/crates/xenia-kernel/src/xam.rs b/crates/xenia-kernel/src/xam.rs
index 9950e45..eec270f 100644
--- a/crates/xenia-kernel/src/xam.rs
+++ b/crates/xenia-kernel/src/xam.rs
@@ -80,7 +80,10 @@ pub fn register_exports(state: &mut KernelState) {
state.register_export(Xam, 0x02BC, "XamShowSigninUI", stub_success);
state.register_export(Xam, 0x02C1, "XamShowKeyboardUI", stub_success);
state.register_export(Xam, 0x02CB, "XamShowDeviceSelectorUI", stub_success);
- state.register_export(Xam, 0x02D5, "XamShowGamerCardUIForXUID", stub_success);
+ // Class-E in canary (table entry only, no DECLARE_XAM_EXPORT shim) — canary's
+ // syscall-thunk path emits no Phase A events. Mirror via
+ // `register_unimplemented_export` so ours stays silent too. C+6.5-pattern fix.
+ state.register_unimplemented_export(Xam, 0x02D5, "XamShowGamerCardUIForXUID", stub_success);
state.register_export(Xam, 0x02D9, "XamShowDirtyDiscErrorUI", stub_success);
state.register_export(Xam, 0x02DC, "XamShowMessageBoxUIEx", stub_success);