Matthew Stanley b288b6319e RSPRecomp: Path A — persistent RSP GPRs across run_task calls ... Real RSP hardware retains GPRs across task switches. rspboot only writes $1/$2/$3/$4/$7 before jumping to the loaded ucode; everything else is whatever the previous task left. The previous emit zero-init'd all 32 GPRs at every entry, breaking any ucode that depends on inherited state — e.g. Pokemon Stadium's libultra aspMain reads $29 on its first dispatch iteration expecting it from a prior run. RSPRecomp/src/rsp_recomp.cpp: * All GPRs (and dma_*, jump_target, rsp) are now emitted as C++ references into *ctx — writes auto-persist through to the backing RspContext, no manual store-back at exit points. * No-overlay case (Stadium aspMain shape) emits an `_impl(rdram, ctx)` function plus a legacy-ABI wrapper `(rdram, ucode_addr)` that owns a `static thread_local RspContext`. The wrapper preserves the runtime ABI (no librecomp change needed) while the static thread_local delivers cross-run_task GPR retention. * Overlay-swap function's stack-local `RspContext ctx{}` promoted to `static thread_local` for the same reason. * write_overlay_swap_return reduced from 9 lines of manual store-back to just `return RspExitReason::SwapOverlay` — references handle it. (NOTE: original local commit 5c6c654 also bundled per-register cop0 dispatch + cop0_regs[32] storage. That portion is split out for a separate follow-up PR — it depends on a runtime API not yet in upstream N64ModernRuntime.) Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>		2026-05-05 21:21:16 -07:00
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src	RSPRecomp: Path A — persistent RSP GPRs across run_task calls	2026-05-05 21:21:16 -07:00