15 files changed, 360 insertions, 82 deletions

diff --git a/src/core/file_sys/archive.h b/src/core/file_sys/archive.h
index c2426a153..f3cb11133 100644
--- a/src/core/file_sys/archive.h
+++ b/src/core/file_sys/archive.h
@@ -194,6 +194,14 @@ public:
     virtual bool DeleteFile(const FileSys::Path& path) const = 0;
 
     /**
+     * Rename a File specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    virtual bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const = 0;
+
+    /**
      * Delete a directory specified by its path
      * @param path Path relative to the archive
      * @return Whether the directory could be deleted
@@ -208,6 +216,14 @@ public:
     virtual bool CreateDirectory(const Path& path) const = 0;
 
     /**
+     * Rename a Directory specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    virtual bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const = 0;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/archive_romfs.cpp b/src/core/file_sys/archive_romfs.cpp
index 53dc57954..8c2dbeda5 100644
--- a/src/core/file_sys/archive_romfs.cpp
+++ b/src/core/file_sys/archive_romfs.cpp
@@ -43,6 +43,11 @@ bool Archive_RomFS::DeleteFile(const FileSys::Path& path) const {
     return false;
 }
 
+bool Archive_RomFS::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
+    ERROR_LOG(FILESYS, "Attempted to rename a file within ROMFS.");
+    return false;
+}
+
 /**
  * Delete a directory specified by its path
  * @param path Path relative to the archive
@@ -63,6 +68,11 @@ bool Archive_RomFS::CreateDirectory(const Path& path) const {
     return false;
 }
 
+bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
+    ERROR_LOG(FILESYS, "Attempted to rename a file within ROMFS.");
+    return false;
+}
+
 /**
  * Open a directory specified by its path
  * @param path Path relative to the archive
diff --git a/src/core/file_sys/archive_romfs.h b/src/core/file_sys/archive_romfs.h
index 0649dde99..222bdc356 100644
--- a/src/core/file_sys/archive_romfs.h
+++ b/src/core/file_sys/archive_romfs.h
@@ -44,6 +44,14 @@ public:
     bool DeleteFile(const FileSys::Path& path) const override;
 
     /**
+     * Rename a File specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
+
+    /**
      * Delete a directory specified by its path
      * @param path Path relative to the archive
      * @return Whether the directory could be deleted
@@ -58,6 +66,14 @@ public:
     bool CreateDirectory(const Path& path) const override;
 
     /**
+     * Rename a Directory specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/archive_sdmc.cpp b/src/core/file_sys/archive_sdmc.cpp
index 789212b17..169ab0f1c 100644
--- a/src/core/file_sys/archive_sdmc.cpp
+++ b/src/core/file_sys/archive_sdmc.cpp
@@ -66,6 +66,10 @@ bool Archive_SDMC::DeleteFile(const FileSys::Path& path) const {
     return FileUtil::Delete(GetMountPoint() + path.AsString());
 }
 
+bool Archive_SDMC::RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
+    return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
+}
+
 /**
  * Delete a directory specified by its path
  * @param path Path relative to the archive
@@ -84,6 +88,10 @@ bool Archive_SDMC::CreateDirectory(const Path& path) const {
     return FileUtil::CreateDir(GetMountPoint() + path.AsString());
 }
 
+bool Archive_SDMC::RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const {
+    return FileUtil::Rename(GetMountPoint() + src_path.AsString(), GetMountPoint() + dest_path.AsString());
+}
+
 /**
  * Open a directory specified by its path
  * @param path Path relative to the archive
diff --git a/src/core/file_sys/archive_sdmc.h b/src/core/file_sys/archive_sdmc.h
index 74ce29c0d..19f563a62 100644
--- a/src/core/file_sys/archive_sdmc.h
+++ b/src/core/file_sys/archive_sdmc.h
@@ -48,6 +48,14 @@ public:
     bool DeleteFile(const FileSys::Path& path) const override;
 
     /**
+     * Rename a File specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    bool RenameFile(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
+
+    /**
      * Delete a directory specified by its path
      * @param path Path relative to the archive
      * @return Whether the directory could be deleted
@@ -62,6 +70,14 @@ public:
     bool CreateDirectory(const Path& path) const override;
 
     /**
+     * Rename a Directory specified by its path
+     * @param src_path Source path relative to the archive
+     * @param dest_path Destination path relative to the archive
+     * @return Whether rename succeeded
+     */
+    bool RenameDirectory(const FileSys::Path& src_path, const FileSys::Path& dest_path) const override;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/hle/kernel/archive.cpp b/src/core/hle/kernel/archive.cpp
index e273444c9..647f0dea9 100644
--- a/src/core/hle/kernel/archive.cpp
+++ b/src/core/hle/kernel/archive.cpp
@@ -340,49 +340,68 @@ ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path
     return MakeResult<Handle>(handle);
 }
 
-/**
- * Delete a File from an Archive
- * @param archive_handle Handle to an open Archive object
- * @param path Path to the File inside of the Archive
- * @return Whether deletion succeeded
- */
-Result DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
+ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
     Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
     if (archive == nullptr)
-        return -1;
+        return InvalidHandle(ErrorModule::FS);
     if (archive->backend->DeleteFile(path))
-        return 0;
-    return -1;
+        return RESULT_SUCCESS;
+    return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+                      ErrorSummary::Canceled, ErrorLevel::Status);
 }
 
-/**
- * Delete a Directory from an Archive
- * @param archive_handle Handle to an open Archive object
- * @param path Path to the Directory inside of the Archive
- * @return Whether deletion succeeded
- */
-Result DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
+ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
+                                     Handle dest_archive_handle, const FileSys::Path& dest_path) {
+    Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle);
+    Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle);
+    if (src_archive == nullptr || dest_archive == nullptr)
+        return InvalidHandle(ErrorModule::FS);
+    if (src_archive == dest_archive) {
+        if (src_archive->backend->RenameFile(src_path, dest_path))
+            return RESULT_SUCCESS;
+    } else {
+        // TODO: Implement renaming across archives
+        return UnimplementedFunction(ErrorModule::FS);
+    }
+    return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+                      ErrorSummary::NothingHappened, ErrorLevel::Status);
+}
+
+ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
     Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
     if (archive == nullptr)
-        return -1;
+        return InvalidHandle(ErrorModule::FS);
     if (archive->backend->DeleteDirectory(path))
-        return 0;
-    return -1;
+        return RESULT_SUCCESS;
+    return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+                      ErrorSummary::Canceled, ErrorLevel::Status);
 }
 
-/**
- * Create a Directory from an Archive
- * @param archive_handle Handle to an open Archive object
- * @param path Path to the Directory inside of the Archive
- * @return Whether creation succeeded
- */
-Result CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
+ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
     Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
     if (archive == nullptr)
-        return -1;
+        return InvalidHandle(ErrorModule::FS);
     if (archive->backend->CreateDirectory(path))
-        return 0;
-    return -1;
+        return RESULT_SUCCESS;
+    return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+                      ErrorSummary::Canceled, ErrorLevel::Status);
+}
+
+ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
+                                          Handle dest_archive_handle, const FileSys::Path& dest_path) {
+    Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle);
+    Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle);
+    if (src_archive == nullptr || dest_archive == nullptr)
+        return InvalidHandle(ErrorModule::FS);
+    if (src_archive == dest_archive) {
+        if (src_archive->backend->RenameDirectory(src_path, dest_path))
+            return RESULT_SUCCESS;
+    } else {
+        // TODO: Implement renaming across archives
+        return UnimplementedFunction(ErrorModule::FS);
+    }
+    return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
+                      ErrorSummary::NothingHappened, ErrorLevel::Status);
 }
 
 /**
diff --git a/src/core/hle/kernel/archive.h b/src/core/hle/kernel/archive.h
index 6fc4f0f25..b50833a2b 100644
--- a/src/core/hle/kernel/archive.h
+++ b/src/core/hle/kernel/archive.h
@@ -50,7 +50,18 @@ ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path
  * @param path Path to the File inside of the Archive
  * @return Whether deletion succeeded
  */
-Result DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
+
+/**
+ * Rename a File between two Archives
+ * @param src_archive_handle Handle to the source Archive object
+ * @param src_path Path to the File inside of the source Archive
+ * @param dest_archive_handle Handle to the destination Archive object
+ * @param dest_path Path to the File inside of the destination Archive
+ * @return Whether rename succeeded
+ */
+ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
+                                     Handle dest_archive_handle, const FileSys::Path& dest_path);
 
 /**
  * Delete a Directory from an Archive
@@ -58,7 +69,7 @@ Result DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
  * @param path Path to the Directory inside of the Archive
  * @return Whether deletion succeeded
  */
-Result DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
 
 /**
  * Create a Directory from an Archive
@@ -66,7 +77,18 @@ Result DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& pa
  * @param path Path to the Directory inside of the Archive
  * @return Whether creation of directory succeeded
  */
-Result CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+
+/**
+ * Rename a Directory between two Archives
+ * @param src_archive_handle Handle to the source Archive object
+ * @param src_path Path to the Directory inside of the source Archive
+ * @param dest_archive_handle Handle to the destination Archive object
+ * @param dest_path Path to the Directory inside of the destination Archive
+ * @return Whether rename succeeded
+ */
+ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
+                                          Handle dest_archive_handle, const FileSys::Path& dest_path);
 
 /**
  * Open a Directory from an Archive
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 018000abd..80a34c2d5 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -2,6 +2,8 @@
 // Licensed under GPLv2
 // Refer to the license.txt file included.
 
+#include <algorithm>
+
 #include "common/common.h"
 
 #include "core/core.h"
@@ -37,7 +39,7 @@ Handle ObjectPool::Create(Object* obj, int range_bottom, int range_top) {
     return 0;
 }
 
-bool ObjectPool::IsValid(Handle handle) {
+bool ObjectPool::IsValid(Handle handle) const {
     int index = handle - HANDLE_OFFSET;
     if (index < 0)
         return false;
@@ -75,13 +77,8 @@ void ObjectPool::List() {
     }
 }
 
-int ObjectPool::GetCount() {
-    int count = 0;
-    for (int i = 0; i < MAX_COUNT; i++) {
-        if (occupied[i])
-            count++;
-    }
-    return count;
+int ObjectPool::GetCount() const {
+    return std::count(occupied.begin(), occupied.end(), true);
 }
 
 Object* ObjectPool::CreateByIDType(int type) {
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 8d3937ce8..00a2228bf 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -86,7 +86,7 @@ public:
         }
     }
 
-    bool IsValid(Handle handle);
+    bool IsValid(Handle handle) const;
 
     template <class T>
     T* Get(Handle handle) {
@@ -142,7 +142,7 @@ public:
     Object* &operator [](Handle handle);
     void List();
     void Clear();
-    int GetCount();
+    int GetCount() const;
 
 private:
 
diff --git a/src/core/hle/service/dsp_dsp.cpp b/src/core/hle/service/dsp_dsp.cpp
index a2b68cac8..72be4c817 100644
--- a/src/core/hle/service/dsp_dsp.cpp
+++ b/src/core/hle/service/dsp_dsp.cpp
@@ -16,6 +16,25 @@ static Handle semaphore_event;
 static Handle interrupt_event;
 
 /**
+ * DSP_DSP::ConvertProcessAddressFromDspDram service function
+ *  Inputs:
+ *      1 : Address
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : (inaddr << 1) + 0x1FF40000 (where 0x1FF00000 is the DSP RAM address)
+ */
+void ConvertProcessAddressFromDspDram(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    u32 addr = cmd_buff[1];
+
+    cmd_buff[1] = 0; // No error
+    cmd_buff[2] = (addr << 1) + (Memory::DSP_MEMORY_VADDR + 0x40000);
+
+    DEBUG_LOG(KERNEL, "(STUBBED) called with address %u", addr);
+}
+
+/**
  * DSP_DSP::LoadComponent service function
  *  Inputs:
  *      1 : Size
@@ -90,31 +109,31 @@ void WriteReg0x10(Service::Interface* self) {
 }
 
 const Interface::FunctionInfo FunctionTable[] = {
-    {0x00010040, nullptr,                 "RecvData"},
-    {0x00020040, nullptr,                 "RecvDataIsReady"},
-    {0x00030080, nullptr,                 "SendData"},
-    {0x00040040, nullptr,                 "SendDataIsEmpty"},
-    {0x00070040, WriteReg0x10,            "WriteReg0x10"},
-    {0x00080000, nullptr,                 "GetSemaphore"},
-    {0x00090040, nullptr,                 "ClearSemaphore"},
-    {0x000B0000, nullptr,                 "CheckSemaphoreRequest"},
-    {0x000C0040, nullptr,                 "ConvertProcessAddressFromDspDram"},
-    {0x000D0082, nullptr,                 "WriteProcessPipe"},
-    {0x001000C0, nullptr,                 "ReadPipeIfPossible"},
-    {0x001100C2, LoadComponent,           "LoadComponent"},
-    {0x00120000, nullptr,                 "UnloadComponent"},
-    {0x00130082, nullptr,                 "FlushDataCache"},
-    {0x00140082, nullptr,                 "InvalidateDCache"},
-    {0x00150082, RegisterInterruptEvents, "RegisterInterruptEvents"},
-    {0x00160000, GetSemaphoreEventHandle, "GetSemaphoreEventHandle"},
-    {0x00170040, nullptr,                 "SetSemaphoreMask"},
-    {0x00180040, nullptr,                 "GetPhysicalAddress"},
-    {0x00190040, nullptr,                 "GetVirtualAddress"},
-    {0x001A0042, nullptr,                 "SetIirFilterI2S1_cmd1"},
-    {0x001B0042, nullptr,                 "SetIirFilterI2S1_cmd2"},
-    {0x001C0082, nullptr,                 "SetIirFilterEQ"},
-    {0x001F0000, nullptr,                 "GetHeadphoneStatus"},
-    {0x00210000, nullptr,                 "GetIsDspOccupied"},
+    {0x00010040, nullptr,                          "RecvData"},
+    {0x00020040, nullptr,                          "RecvDataIsReady"},
+    {0x00030080, nullptr,                          "SendData"},
+    {0x00040040, nullptr,                          "SendDataIsEmpty"},
+    {0x00070040, WriteReg0x10,                     "WriteReg0x10"},
+    {0x00080000, nullptr,                          "GetSemaphore"},
+    {0x00090040, nullptr,                          "ClearSemaphore"},
+    {0x000B0000, nullptr,                          "CheckSemaphoreRequest"},
+    {0x000C0040, ConvertProcessAddressFromDspDram, "ConvertProcessAddressFromDspDram"},
+    {0x000D0082, nullptr,                          "WriteProcessPipe"},
+    {0x001000C0, nullptr,                          "ReadPipeIfPossible"},
+    {0x001100C2, LoadComponent,                    "LoadComponent"},
+    {0x00120000, nullptr,                          "UnloadComponent"},
+    {0x00130082, nullptr,                          "FlushDataCache"},
+    {0x00140082, nullptr,                          "InvalidateDCache"},
+    {0x00150082, RegisterInterruptEvents,          "RegisterInterruptEvents"},
+    {0x00160000, GetSemaphoreEventHandle,          "GetSemaphoreEventHandle"},
+    {0x00170040, nullptr,                          "SetSemaphoreMask"},
+    {0x00180040, nullptr,                          "GetPhysicalAddress"},
+    {0x00190040, nullptr,                          "GetVirtualAddress"},
+    {0x001A0042, nullptr,                          "SetIirFilterI2S1_cmd1"},
+    {0x001B0042, nullptr,                          "SetIirFilterI2S1_cmd2"},
+    {0x001C0082, nullptr,                          "SetIirFilterEQ"},
+    {0x001F0000, nullptr,                          "GetHeadphoneStatus"},
+    {0x00210000, nullptr,                          "GetIsDspOccupied"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/core/hle/service/fs_user.cpp b/src/core/hle/service/fs_user.cpp
index 34af78cb9..51e8b579e 100644
--- a/src/core/hle/service/fs_user.cpp
+++ b/src/core/hle/service/fs_user.cpp
@@ -159,7 +159,49 @@ void DeleteFile(Service::Interface* self) {
     DEBUG_LOG(KERNEL, "type=%d size=%d data=%s",
               filename_type, filename_size, file_path.DebugStr().c_str());
 
-    cmd_buff[1] = Kernel::DeleteFileFromArchive(archive_handle, file_path);
+    cmd_buff[1] = Kernel::DeleteFileFromArchive(archive_handle, file_path).raw;
+    
+    DEBUG_LOG(KERNEL, "called");
+}
+
+/*
+ * FS_User::RenameFile service function
+ *  Inputs:
+ *      2 : Source archive handle lower word
+ *      3 : Source archive handle upper word
+ *      4 : Source file path type
+ *      5 : Source file path size
+ *      6 : Dest archive handle lower word
+ *      7 : Dest archive handle upper word
+ *      8 : Dest file path type
+ *      9 : Dest file path size
+ *      11: Source file path string data
+ *      13: Dest file path string
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void RenameFile(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    // TODO(Link Mauve): cmd_buff[2] and cmd_buff[6], aka archive handle lower word, aren't used according to
+    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
+    Handle src_archive_handle  = static_cast<Handle>(cmd_buff[3]);
+    auto src_filename_type     = static_cast<FileSys::LowPathType>(cmd_buff[4]);
+    u32 src_filename_size      = cmd_buff[5];
+    Handle dest_archive_handle = static_cast<Handle>(cmd_buff[7]);
+    auto dest_filename_type    = static_cast<FileSys::LowPathType>(cmd_buff[8]);
+    u32 dest_filename_size     = cmd_buff[9];
+    u32 src_filename_ptr       = cmd_buff[11];
+    u32 dest_filename_ptr      = cmd_buff[13];
+
+    FileSys::Path src_file_path(src_filename_type, src_filename_size, src_filename_ptr);
+    FileSys::Path dest_file_path(dest_filename_type, dest_filename_size, dest_filename_ptr);
+
+    DEBUG_LOG(KERNEL, "src_type=%d src_size=%d src_data=%s dest_type=%d dest_size=%d dest_data=%s",
+              src_filename_type, src_filename_size, src_file_path.DebugStr().c_str(),
+              dest_filename_type, dest_filename_size, dest_file_path.DebugStr().c_str());
+
+    cmd_buff[1] = Kernel::RenameFileBetweenArchives(src_archive_handle, src_file_path, dest_archive_handle, dest_file_path).raw;
     
     DEBUG_LOG(KERNEL, "called");
 }
@@ -190,7 +232,7 @@ void DeleteDirectory(Service::Interface* self) {
     DEBUG_LOG(KERNEL, "type=%d size=%d data=%s",
               dirname_type, dirname_size, dir_path.DebugStr().c_str());
     
-    cmd_buff[1] = Kernel::DeleteDirectoryFromArchive(archive_handle, dir_path);
+    cmd_buff[1] = Kernel::DeleteDirectoryFromArchive(archive_handle, dir_path).raw;
     
     DEBUG_LOG(KERNEL, "called");
 }
@@ -220,11 +262,53 @@ static void CreateDirectory(Service::Interface* self) {
 
     DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
 
-    cmd_buff[1] = Kernel::CreateDirectoryFromArchive(archive_handle, dir_path);
+    cmd_buff[1] = Kernel::CreateDirectoryFromArchive(archive_handle, dir_path).raw;
 
     DEBUG_LOG(KERNEL, "called");
 }
 
+/*
+ * FS_User::RenameDirectory service function
+ *  Inputs:
+ *      2 : Source archive handle lower word
+ *      3 : Source archive handle upper word
+ *      4 : Source dir path type
+ *      5 : Source dir path size
+ *      6 : Dest archive handle lower word
+ *      7 : Dest archive handle upper word
+ *      8 : Dest dir path type
+ *      9 : Dest dir path size
+ *      11: Source dir path string data
+ *      13: Dest dir path string
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+void RenameDirectory(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    // TODO(Link Mauve): cmd_buff[2] and cmd_buff[6], aka archive handle lower word, aren't used according to
+    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
+    Handle src_archive_handle  = static_cast<Handle>(cmd_buff[3]);
+    auto src_dirname_type      = static_cast<FileSys::LowPathType>(cmd_buff[4]);
+    u32 src_dirname_size       = cmd_buff[5];
+    Handle dest_archive_handle = static_cast<Handle>(cmd_buff[7]);
+    auto dest_dirname_type     = static_cast<FileSys::LowPathType>(cmd_buff[8]);
+    u32 dest_dirname_size      = cmd_buff[9];
+    u32 src_dirname_ptr        = cmd_buff[11];
+    u32 dest_dirname_ptr       = cmd_buff[13];
+
+    FileSys::Path src_dir_path(src_dirname_type, src_dirname_size, src_dirname_ptr);
+    FileSys::Path dest_dir_path(dest_dirname_type, dest_dirname_size, dest_dirname_ptr);
+
+    DEBUG_LOG(KERNEL, "src_type=%d src_size=%d src_data=%s dest_type=%d dest_size=%d dest_data=%s",
+              src_dirname_type, src_dirname_size, src_dir_path.DebugStr().c_str(),
+              dest_dirname_type, dest_dirname_size, dest_dir_path.DebugStr().c_str());
+
+    cmd_buff[1] = Kernel::RenameDirectoryBetweenArchives(src_archive_handle, src_dir_path, dest_archive_handle, dest_dir_path).raw;
+    
+    DEBUG_LOG(KERNEL, "called");
+}
+
 static void OpenDirectory(Service::Interface* self) {
     u32* cmd_buff = Service::GetCommandBuffer();
 
@@ -314,12 +398,12 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x080201C2, OpenFile,              "OpenFile"},
     {0x08030204, OpenFileDirectly,      "OpenFileDirectly"},
     {0x08040142, DeleteFile,            "DeleteFile"},
-    {0x08050244, nullptr,               "RenameFile"},
+    {0x08050244, RenameFile,            "RenameFile"},
     {0x08060142, DeleteDirectory,       "DeleteDirectory"},
     {0x08070142, nullptr,               "DeleteDirectoryRecursively"},
     {0x08080202, nullptr,               "CreateFile"},
     {0x08090182, CreateDirectory,       "CreateDirectory"},
-    {0x080A0244, nullptr,               "RenameDirectory"},
+    {0x080A0244, RenameDirectory,       "RenameDirectory"},
     {0x080B0102, OpenDirectory,         "OpenDirectory"},
     {0x080C00C2, OpenArchive,           "OpenArchive"},
     {0x080D0144, nullptr,               "ControlArchive"},
diff --git a/src/core/hle/service/hid_user.cpp b/src/core/hle/service/hid_user.cpp
index d29de1a52..2abaf0f2f 100644
--- a/src/core/hle/service/hid_user.cpp
+++ b/src/core/hle/service/hid_user.cpp
@@ -55,7 +55,7 @@ static void UpdateNextCirclePadState() {
 /**
  * Sets a Pad state (button or button combo) as pressed
  */
-void PadButtonPress(PadState pad_state) {
+void PadButtonPress(const PadState& pad_state) {
     next_state.hex |= pad_state.hex;
     UpdateNextCirclePadState();
 }
@@ -63,7 +63,7 @@ void PadButtonPress(PadState pad_state) {
 /**
  * Sets a Pad state (button or button combo) as released
  */
-void PadButtonRelease(PadState pad_state) {
+void PadButtonRelease(const PadState& pad_state) {
     next_state.hex &= ~pad_state.hex;
     UpdateNextCirclePadState();
 }
diff --git a/src/core/hle/service/hid_user.h b/src/core/hle/service/hid_user.h
index 5ed97085d..8f53befdb 100644
--- a/src/core/hle/service/hid_user.h
+++ b/src/core/hle/service/hid_user.h
@@ -93,8 +93,8 @@ const PadState PAD_CIRCLE_UP    = {{1u << 30}};
 const PadState PAD_CIRCLE_DOWN  = {{1u << 31}};
 
 // Methods for updating the HID module's state
-void PadButtonPress(PadState pad_state);
-void PadButtonRelease(PadState pad_state);
+void PadButtonPress(const PadState& pad_state);
+void PadButtonRelease(const PadState& pad_state);
 void PadUpdateComplete();
 
 /**
diff --git a/src/core/hle/service/ptm_u.cpp b/src/core/hle/service/ptm_u.cpp
index 1ce32ee4a..941df467b 100644
--- a/src/core/hle/service/ptm_u.cpp
+++ b/src/core/hle/service/ptm_u.cpp
@@ -11,8 +11,40 @@
 
 namespace PTM_U {
 
+/// Charge levels used by PTM functions
+enum class ChargeLevels : u32 {
+    CriticalBattery    = 1,
+    LowBattery         = 2,
+    HalfFull           = 3,
+    MostlyFull         = 4,
+    CompletelyFull     = 5,
+};
+
 static bool shell_open = true;
 
+static bool battery_is_charging = true;
+
+/**
+ * It is unknown if GetAdapterState is the same as GetBatteryChargeState,
+ * it is likely to just be a duplicate function of GetBatteryChargeState
+ * that controls another part of the HW.
+ * PTM_U::GetAdapterState service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Output of function, 0 = not charging, 1 = charging.
+ */
+static void GetAdapterState(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    // TODO(purpasmart96): This function is only a stub,
+    // it returns a valid result without implementing full functionality.
+
+    cmd_buff[1] = 0; // No error
+    cmd_buff[2] = battery_is_charging ? 1 : 0;
+
+    WARN_LOG(KERNEL, "(STUBBED) called");
+}
+
 /*
  * PTM_User::GetShellState service function.
  *  Outputs:
@@ -28,15 +60,52 @@ static void GetShellState(Service::Interface* self) {
     DEBUG_LOG(KERNEL, "PTM_U::GetShellState called");
 }
 
+/**
+ * PTM_U::GetBatteryLevel service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Battery level, 5 = completely full battery, 4 = mostly full battery,
+ *          3 = half full battery, 2 =  low battery, 1 = critical battery.
+ */
+static void GetBatteryLevel(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    // TODO(purpasmart96): This function is only a stub,
+    // it returns a valid result without implementing full functionality.
+
+    cmd_buff[1] = 0; // No error
+    cmd_buff[2] = static_cast<u32>(ChargeLevels::CompletelyFull); // Set to a completely full battery
+
+    WARN_LOG(KERNEL, "(STUBBED) called");
+}
+
+/**
+ * PTM_U::GetBatteryChargeState service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Output of function, 0 = not charging, 1 = charging.
+ */
+static void GetBatteryChargeState(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    // TODO(purpasmart96): This function is only a stub,
+    // it returns a valid result without implementing full functionality.
+
+    cmd_buff[1] = 0; // No error
+    cmd_buff[2] = battery_is_charging ? 1 : 0;
+
+    WARN_LOG(KERNEL, "(STUBBED) called");
+}
+
 const Interface::FunctionInfo FunctionTable[] = {
     {0x00010002, nullptr,               "RegisterAlarmClient"},
     {0x00020080, nullptr,               "SetRtcAlarm"},
     {0x00030000, nullptr,               "GetRtcAlarm"},
     {0x00040000, nullptr,               "CancelRtcAlarm"},
-    {0x00050000, nullptr,               "GetAdapterState"},
+    {0x00050000, GetAdapterState,       "GetAdapterState"},
     {0x00060000, GetShellState,         "GetShellState"},
-    {0x00070000, nullptr,               "GetBatteryLevel"},
-    {0x00080000, nullptr,               "GetBatteryChargeState"},
+    {0x00070000, GetBatteryLevel,       "GetBatteryLevel"},
+    {0x00080000, GetBatteryChargeState, "GetBatteryChargeState"},
     {0x00090000, nullptr,               "GetPedometerState"},
     {0x000A0042, nullptr,               "GetStepHistoryEntry"},
     {0x000B00C2, nullptr,               "GetStepHistory"},
diff --git a/src/core/mem_map.h b/src/core/mem_map.h
index a58c59244..c9529f84c 100644
--- a/src/core/mem_map.h
+++ b/src/core/mem_map.h
@@ -16,10 +16,9 @@ typedef u32 PAddr; ///< Represents a pointer in the physical address space.
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-enum {
+enum : u32 {
     BOOTROM_SIZE            = 0x00010000,   ///< Bootrom (super secret code/data @ 0x8000) size
     MPCORE_PRIV_SIZE        = 0x00002000,   ///< MPCore private memory region size
-    DSP_SIZE                = 0x00080000,   ///< DSP memory size
     AXI_WRAM_SIZE           = 0x00080000,   ///< AXI WRAM size
 
     FCRAM_SIZE              = 0x08000000,   ///< FCRAM size
@@ -34,6 +33,9 @@ enum {
     SHARED_MEMORY_VADDR_END = (SHARED_MEMORY_VADDR + SHARED_MEMORY_SIZE),
     SHARED_MEMORY_MASK      = (SHARED_MEMORY_SIZE - 1),
 
+    DSP_MEMORY_SIZE         = 0x00080000,   ///< DSP memory size
+    DSP_MEMORY_VADDR        = 0x1FF00000,   ///< DSP memory virtual address
+
     CONFIG_MEMORY_SIZE      = 0x00001000,   ///< Configuration memory size
     CONFIG_MEMORY_VADDR     = 0x1FF80000,   ///< Configuration memory virtual address
     CONFIG_MEMORY_VADDR_END = (CONFIG_MEMORY_VADDR + CONFIG_MEMORY_SIZE),