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Keep bounded draw spans in charge of overlay call returns

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Matthew Stanley
2026-10-07 01:49:32 -07:00
parent 7b5912d2e1
commit 0b22578467
1 changed files with 6 additions and 1 deletions
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runtime/src/dirty_ram_interp.c
+6 -1
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@@ -3126,7 +3126,12 @@ static int dirty_ram_dispatch_inner(CPUState* cpu, uint32_t addr, uint32_t stop_
/* Overlay flow above the kernel window — kernel window stays per-block (see
* is_local_dirty_target / phys_is_overlay_flow_region). Includes boot-text
* pages overwritten by a runtime overlay (Tomba 2), not just [FLOOR, RAM). */
int allow_local_dirty_flow = phys_is_overlay_flow_region(ram_phys);
/* A bounded span's runner owns call/return contracts. Local overlay
* chaining can directly enter a native callee and consume its return
* continuation past stop_addr (Tomba 2: into the following audio tick).
* Surface transfers to the runner; it may still call native callees with
* their exact return address. Ordinary overlay execution is unchanged. */
int allow_local_dirty_flow = !forced && phys_is_overlay_flow_region(ram_phys);
/* Backend-invariant mod_function_entry hooks: generated code fires
* psx_mod_function_entry at listed function entries, but a mod-patched