From c36375d6c8a6ef285ff8e976896aad5e299cc2c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Thu, 6 Mar 2025 13:57:05 +0100
Subject: [PATCH] Don't enable "full iso ram caching" for filetypes other than
 ISO.

---
 Core/System.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Core/System.cpp b/Core/System.cpp
index b3b1081485..56ce4ef203 100644
--- a/Core/System.cpp
+++ b/Core/System.cpp
@@ -409,7 +409,15 @@ bool PSP_InitStart(const CoreParameter &coreParam, std::string *error_string) {
 	FileLoader *loadedFile = ResolveFileLoaderTarget(ConstructFileLoader(filename));
 #if PPSSPP_ARCH(AMD64)
 	if (g_Config.bCacheFullIsoInRam) {
-		loadedFile = new RamCachingFileLoader(loadedFile);
+		switch (coreParam.fileType) {
+		case IdentifiedFileType::PSP_ISO:
+		case IdentifiedFileType::PSP_ISO_NP:
+			loadedFile = new RamCachingFileLoader(loadedFile);
+			break;
+		default:
+			INFO_LOG(Log::System, "RAM caching is on, but file is not an ISO, so ignoring");
+			break;
+		}
 	}
 #endif