Np: libSceNpPartner001 stubs (#3963)

* Initial work

* Oops

CMakeLists.txt

@@ -599,6 +599,8 @@ set(NP_LIBS src/core/libraries/np/np_error.h
             src/core/libraries/np/np_profile_dialog.h
             src/core/libraries/np/np_sns_facebook_dialog.cpp
             src/core/libraries/np/np_sns_facebook_dialog.h
+            src/core/libraries/np/np_partner.cpp
+            src/core/libraries/np/np_partner.h
 )
 
 set(ZLIB_LIB src/core/libraries/zlib/zlib.cpp

src/common/logging/filter.cpp

@@ -113,6 +113,7 @@ bool ParseFilterRule(Filter& instance, Iterator begin, Iterator end) {
     SUB(Lib, NpWebApi2)                                                                            \
     SUB(Lib, NpProfileDialog)                                                                      \
     SUB(Lib, NpSnsFacebookDialog)                                                                  \
+    SUB(Lib, NpPartner)                                                                            \
     SUB(Lib, Screenshot)                                                                           \
     SUB(Lib, LibCInternal)                                                                         \
     SUB(Lib, AppContent)                                                                           \

src/common/logging/types.h

@@ -110,6 +110,7 @@ enum class Class : u8 {
     Lib_Mouse,               ///< The LibSceMouse implementation
     Lib_WebBrowserDialog,    ///< The LibSceWebBrowserDialog implementation
     Lib_NpParty,             ///< The LibSceNpParty implementation
+    Lib_NpPartner,           ///< The LibSceNpPartner implementation
     Lib_Zlib,                ///< The LibSceZlib implementation.
     Lib_Hmd,                 ///< The LibSceHmd implementation.
     Lib_HmdSetupDialog,      ///< The LibSceHmdSetupDialog implementation.

src/core/libraries/libs.cpp

@@ -35,6 +35,7 @@
 #include "core/libraries/np/np_commerce.h"
 #include "core/libraries/np/np_common.h"
 #include "core/libraries/np/np_manager.h"
+#include "core/libraries/np/np_partner.h"
 #include "core/libraries/np/np_party.h"
 #include "core/libraries/np/np_profile_dialog.h"
 #include "core/libraries/np/np_score.h"
@@ -105,6 +106,7 @@ void InitHLELibs(Core::Loader::SymbolsResolver* sym) {
     Libraries::Np::NpSnsFacebookDialog::RegisterLib(sym);
     Libraries::Np::NpAuth::RegisterLib(sym);
     Libraries::Np::NpParty::RegisterLib(sym);
+    Libraries::Np::NpPartner::RegisterLib(sym);
     Libraries::ScreenShot::RegisterLib(sym);
     Libraries::AppContent::RegisterLib(sym);
     Libraries::PngDec::RegisterLib(sym);

src/core/libraries/np/np_partner.cpp

@@ -0,0 +1,83 @@
+// SPDX-FileCopyrightText: Copyright 2026 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <mutex>
+#include "common/logging/log.h"
+#include "core/libraries/error_codes.h"
+#include "core/libraries/libs.h"
+#include "core/libraries/np/np_partner.h"
+#include "core/libraries/np/np_partner_error.h"
+#include "core/libraries/system/userservice.h"
+
+namespace Libraries::Np::NpPartner {
+
+static bool g_library_init = false;
+std::mutex g_library_mutex{};
+
+/**
+ * Terminates the library
+ */
+s32 PS4_SYSV_ABI Func_A4CC5784DA33517F() {
+    LOG_ERROR(Lib_NpPartner, "(STUBBED) called");
+    if (!g_library_init) {
+        return ORBIS_NP_PARTNER_ERROR_NOT_INITIALIZED;
+    }
+    std::scoped_lock lk{g_library_mutex};
+    g_library_init = false;
+    return ORBIS_OK;
+}
+
+/**
+ * Aborts requests started by Func_F8E9DB52CD425743
+ */
+s32 PS4_SYSV_ABI Func_A507D84D91F39CC7() {
+    LOG_ERROR(Lib_NpPartner, "(STUBBED) called");
+    if (!g_library_init) {
+        return ORBIS_NP_PARTNER_ERROR_NOT_INITIALIZED;
+    }
+    // Request logic is unimplemented, so this does nothing.
+    return ORBIS_OK;
+}
+
+/**
+ * Initializes the library
+ */
+s32 PS4_SYSV_ABI Func_EC2C48E74FF19429() {
+    LOG_ERROR(Lib_NpPartner, "(STUBBED) called");
+    g_library_init = true;
+    // Also retrieves and sends compiled SDK version to server.
+    return ORBIS_OK;
+}
+
+/**
+ * Creates an NP request to determine if the user has a subscription to EA's services.
+ */
+s32 PS4_SYSV_ABI Func_F8E9DB52CD425743(UserService::OrbisUserServiceUserId user_id, bool* result) {
+    LOG_ERROR(Lib_NpPartner, "(STUBBED) called");
+    if (!g_library_init) {
+        return ORBIS_NP_PARTNER_ERROR_NOT_INITIALIZED;
+    }
+    if (result == nullptr) {
+        return ORBIS_NP_PARTNER_ERROR_INVALID_ARGUMENT;
+    }
+    std::scoped_lock lk{g_library_mutex};
+    // In the real library, this creates and sends a request that checks for EA subscription,
+    // then waits for the request to return a response, and returns that response.
+    // NP signed out likely returns an error, but I haven't figured out the error code yet.
+    // For now, stub having no subscription.
+    *result = false;
+    return ORBIS_OK;
+}
+
+void RegisterLib(Core::Loader::SymbolsResolver* sym) {
+    LIB_FUNCTION("pMxXhNozUX8", "libSceNpPartner001", 1, "libSceNpPartner001",
+                 Func_A4CC5784DA33517F);
+    LIB_FUNCTION("pQfYTZHznMc", "libSceNpPartner001", 1, "libSceNpPartner001",
+                 Func_A507D84D91F39CC7);
+    LIB_FUNCTION("7CxI50-xlCk", "libSceNpPartner001", 1, "libSceNpPartner001",
+                 Func_EC2C48E74FF19429);
+    LIB_FUNCTION("+OnbUs1CV0M", "libSceNpPartner001", 1, "libSceNpPartner001",
+                 Func_F8E9DB52CD425743);
+};
+
+} // namespace Libraries::Np::NpPartner

src/core/libraries/np/np_partner.h

@@ -0,0 +1,15 @@
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/types.h"
+
+namespace Core::Loader {
+class SymbolsResolver;
+}
+
+namespace Libraries::Np::NpPartner {
+
+void RegisterLib(Core::Loader::SymbolsResolver* sym);
+} // namespace Libraries::Np::NpPartner

src/core/libraries/np/np_partner_error.h

@@ -0,0 +1,9 @@
+// SPDX-FileCopyrightText: Copyright 2025 shadPS4 Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "core/libraries/error_codes.h"
+
+constexpr int ORBIS_NP_PARTNER_ERROR_NOT_INITIALIZED = 0x819d0001;
+constexpr int ORBIS_NP_PARTNER_ERROR_INVALID_ARGUMENT = 0x819d0002;