From 5bcef4741ad8b0fe4310f1e0cc55064504b72c7a Mon Sep 17 00:00:00 2001
From: Luke Usher <luke@usher.cc>
Date: Mon, 9 Dec 2024 13:34:43 +0000
Subject: [PATCH] ps1: invalidate single blocks rather than entire pools
 (recompiler)

---
 ares/ps1/cpu/cpu.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ares/ps1/cpu/cpu.hpp b/ares/ps1/cpu/cpu.hpp
index ec9039ece0..014e93f11c 100644
--- a/ares/ps1/cpu/cpu.hpp
+++ b/ares/ps1/cpu/cpu.hpp
@@ -529,7 +529,11 @@ struct CPU : Thread {
     }
 
     auto invalidate(u32 address) -> void {
-      pools[address >> 8 & 0x1fffff] = nullptr;
+      auto pool = pools[address >> 8 & 0x1fffff];
+      if(!pool) return;
+      memory::jitprotect(false);
+      pool->blocks[address >> 2 & 0x3f] = nullptr;
+      memory::jitprotect(true);
     }
 
     auto pool(u32 address) -> Pool*;