From e4f6d9bad4b823dfd3d78d9a02ff7141cd1c076b Mon Sep 17 00:00:00 2001
From: Craig Carnell <1188869+cscd98@users.noreply.github.com>
Date: Mon, 8 Dec 2025 19:29:59 +0000
Subject: [PATCH] mingw: move ReadValue instantiations in cpp for compatibility

---
 Source/Core/Common/WindowsRegistry.cpp | 5 +++++
 Source/Core/Common/WindowsRegistry.h   | 2 --
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Source/Core/Common/WindowsRegistry.cpp b/Source/Core/Common/WindowsRegistry.cpp
index 2eb1ae9b9ce..60674206698 100644
--- a/Source/Core/Common/WindowsRegistry.cpp
+++ b/Source/Core/Common/WindowsRegistry.cpp
@@ -46,6 +46,11 @@ bool ReadValue(std::string* value, const std::string& subkey, const std::string&
   return true;
 }
 
+// These explicit instantiations are needed to prevent linker errors when calling
+// ReadValue in WinUpdater/Platform.cpp (for u32) and ArmCPUDetect.cpp (for u64)
+template bool ReadValue(u32* value, const std::string& subkey, const std::string& name);
+template bool ReadValue(u64* value, const std::string& subkey, const std::string& name);
+
 OSVERSIONINFOW GetOSVersion()
 {
   // PEB may have faked data if the binary is launched with "compatibility mode" enabled.
diff --git a/Source/Core/Common/WindowsRegistry.h b/Source/Core/Common/WindowsRegistry.h
index ef789a98ca2..7dc3a52f914 100644
--- a/Source/Core/Common/WindowsRegistry.h
+++ b/Source/Core/Common/WindowsRegistry.h
@@ -9,8 +9,6 @@ namespace WindowsRegistry
 {
 template <typename T>
 bool ReadValue(T* value, const std::string& subkey, const std::string& name);
-template bool ReadValue(u32* value, const std::string& subkey, const std::string& name);
-template bool ReadValue(u64* value, const std::string& subkey, const std::string& name);
 template <>
 bool ReadValue(std::string* value, const std::string& subkey, const std::string& name);