sceSaveDataMount2 just return save data not found for now

src/core/libraries/libscecommondialog.cpp

@@ -84,7 +84,7 @@ int PS4_SYSV_ABI _ZTVN3sce16CommonDialogUtil6ClientE() {
 }
 
 int PS4_SYSV_ABI sceCommonDialogInitialize() {
-    LOG_ERROR(Lib_CommonDlg, "(STUBBED) called");
+    LOG_ERROR(Lib_CommonDlg, "(DUMMY) called");
     return ORBIS_OK;
 }
 

src/core/libraries/libscesavedata.cpp

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 // Generated By moduleGenerator
+#include <common/assert.h>
 #include "common/logging/log.h"
 #include "error_codes.h"
 #include "libscesavedata.h"
@@ -328,9 +329,15 @@ int PS4_SYSV_ABI sceSaveDataMount() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceSaveDataMount2() {
-    LOG_ERROR(Lib_SaveData, "(STUBBED) called");
-    return ORBIS_OK;
+s32 PS4_SYSV_ABI sceSaveDataMount2(const OrbisSaveDataMount2* mount,
+                                   OrbisSaveDataMountResult* mount_result) {
+    // will return save data not found , breakpoint for others
+    LOG_ERROR(Lib_SaveData, "(DUMMY) called user_id = {} dir_name = {} blocks = {} mount_mode = {}",
+              mount->user_id, mount->dir_name->data, mount->blocks, mount->mount_mode);
+    if (mount->mount_mode == 1) { // open
+        return 0x809F0008;        // save data not found
+    }
+    UNREACHABLE();
 }
 
 int PS4_SYSV_ABI sceSaveDataMount5() {

src/core/libraries/libscesavedata.h

@@ -7,6 +7,37 @@
 
 namespace Libraries::SaveData {
 
+constexpr int ORBIS_SAVE_DATA_DIRNAME_DATA_MAXSIZE =
+    32; // Maximum size for a save data directory name
+constexpr int ORBIS_SAVE_DATA_MOUNT_POINT_DATA_MAXSIZE = 16; // Maximum size for a mount point name
+
+struct OrbisSaveDataDirName {
+    char data[ORBIS_SAVE_DATA_DIRNAME_DATA_MAXSIZE];
+};
+
+struct OrbisSaveDataMount2 {
+    s32 user_id;
+    s32 unk1;
+    const OrbisSaveDataDirName* dir_name;
+    u64 blocks;
+    u32 mount_mode;
+    u8 reserved[32];
+    s32 unk2;
+};
+
+struct OrbisSaveDataMountPoint {
+    char data[ORBIS_SAVE_DATA_MOUNT_POINT_DATA_MAXSIZE];
+};
+
+struct OrbisSaveDataMountResult {
+    OrbisSaveDataMountPoint mount_point;
+    u64 required_blocks;
+    u32 unused;
+    u32 mount_status;
+    u8 reserved[28];
+    s32 unk1;
+};
+
 int PS4_SYSV_ABI sceSaveDataAbort();
 int PS4_SYSV_ABI sceSaveDataBackup();
 int PS4_SYSV_ABI sceSaveDataBindPsnAccount();
@@ -71,7 +102,8 @@ int PS4_SYSV_ABI sceSaveDataIsDeletingUsbDb();
 int PS4_SYSV_ABI sceSaveDataIsMounted();
 int PS4_SYSV_ABI sceSaveDataLoadIcon();
 int PS4_SYSV_ABI sceSaveDataMount();
-int PS4_SYSV_ABI sceSaveDataMount2();
+s32 PS4_SYSV_ABI sceSaveDataMount2(const OrbisSaveDataMount2* mount,
+                                   OrbisSaveDataMountResult* mount_result);
 int PS4_SYSV_ABI sceSaveDataMount5();
 int PS4_SYSV_ABI sceSaveDataMountInternal();
 int PS4_SYSV_ABI sceSaveDataMountSys();