33 files changed, 579 insertions, 525 deletions

diff --git a/src/citra_qt/main.cpp b/src/citra_qt/main.cpp
index 1299338ac..23d4925b8 100644
--- a/src/citra_qt/main.cpp
+++ b/src/citra_qt/main.cpp
@@ -157,12 +157,6 @@ void GMainWindow::BootGame(std::string filename)
     LOG_INFO(Frontend, "Citra starting...\n");
     System::Init(render_window);
 
-    if (Core::Init()) {
-        LOG_CRITICAL(Frontend, "Core initialization failed, exiting...");
-        Core::Stop();
-        exit(1);
-    }
-
     // Load a game or die...
     if (Loader::ResultStatus::Success != Loader::LoadFile(filename)) {
         LOG_CRITICAL(Frontend, "Failed to load ROM!");
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index ab63f54de..198e4afd3 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -24,7 +24,6 @@ set(SRCS
             file_sys/directory_romfs.cpp
             file_sys/directory_sdmc.cpp
             hle/kernel/address_arbiter.cpp
-            hle/kernel/archive.cpp
             hle/kernel/event.cpp
             hle/kernel/kernel.cpp
             hle/kernel/mutex.cpp
@@ -32,21 +31,26 @@ set(SRCS
             hle/kernel/shared_memory.cpp
             hle/kernel/thread.cpp
             hle/service/ac_u.cpp
+            hle/service/am_app.cpp
             hle/service/am_net.cpp
             hle/service/apt_u.cpp
             hle/service/boss_u.cpp
+            hle/service/cecd_u.cpp
             hle/service/cfg_i.cpp
             hle/service/cfg_u.cpp
             hle/service/csnd_snd.cpp
             hle/service/dsp_dsp.cpp
             hle/service/err_f.cpp
-            hle/service/fs_user.cpp
+            hle/service/fs/archive.cpp
+            hle/service/fs/fs_user.cpp
             hle/service/frd_u.cpp
             hle/service/gsp_gpu.cpp
             hle/service/hid_user.cpp
             hle/service/ir_rst.cpp
             hle/service/ir_u.cpp
+            hle/service/ldr_ro.cpp
             hle/service/mic_u.cpp
+            hle/service/nim_aoc.cpp
             hle/service/ndm_u.cpp
             hle/service/nwm_uds.cpp
             hle/service/pm_app.cpp
@@ -93,17 +97,16 @@ set(HEADERS
             arm/skyeye_common/vfp/vfp.h
             arm/skyeye_common/vfp/vfp_helper.h
             arm/arm_interface.h
-            file_sys/archive.h
+            file_sys/archive_backend.h
             file_sys/archive_romfs.h
             file_sys/archive_sdmc.h
-            file_sys/file.h
+            file_sys/file_backend.h
             file_sys/file_romfs.h
             file_sys/file_sdmc.h
-            file_sys/directory.h
+            file_sys/directory_backend.h
             file_sys/directory_romfs.h
             file_sys/directory_sdmc.h
             hle/kernel/address_arbiter.h
-            hle/kernel/archive.h
             hle/kernel/event.h
             hle/kernel/kernel.h
             hle/kernel/mutex.h
@@ -112,21 +115,26 @@ set(HEADERS
             hle/kernel/shared_memory.h
             hle/kernel/thread.h
             hle/service/ac_u.h
+            hle/service/am_app.h
             hle/service/am_net.h
             hle/service/apt_u.h
             hle/service/boss_u.h
+            hle/service/cecd_u.h
             hle/service/cfg_i.h
             hle/service/cfg_u.h
             hle/service/csnd_snd.h
             hle/service/dsp_dsp.h
             hle/service/err_f.h
-            hle/service/fs_user.h
+            hle/service/fs/archive.h
+            hle/service/fs/fs_user.h
             hle/service/frd_u.h
             hle/service/gsp_gpu.h
             hle/service/hid_user.h
             hle/service/ir_rst.h
             hle/service/ir_u.h
+            hle/service/ldr_ro.h
             hle/service/mic_u.h
+            hle/service/nim_aoc.h
             hle/service/ndm_u.h
             hle/service/nwm_uds.h
             hle/service/pm_app.h
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index 33ebc7986..b846fbe9c 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -6101,17 +6101,32 @@ L_stm_s_takeabort:
 
                         return 1;
                 }
-                case 0x6c:
-                        if ((instr & 0xf03f0) == 0xf0070) { //uxtb16
-                                u8 rm_idx = BITS(0, 3);
-                                u8 rd_idx = BITS(12, 15);
-                                u32 rm_val = state->Reg[rm_idx];
-                                u32 rotation = BITS(10, 11) * 8;
-                                u32 in = ((rm_val << (32 - rotation)) | (rm_val >> rotation));
-                                state->Reg[rd_idx] = in & 0x00FF00FF;
+                case 0x6c: // UXTB16 and UXTAB16
+                        {
+                                const u8 rm_idx = BITS(0, 3);
+                                const u8 rn_idx = BITS(16, 19);
+                                const u8 rd_idx = BITS(12, 15);
+                                const u32 rm_val = state->Reg[rm_idx];
+                                const u32 rn_val = state->Reg[rn_idx];
+                                const u32 rotation = BITS(10, 11) * 8;
+                                const u32 rotated_rm = ((rm_val << (32 - rotation)) | (rm_val >> rotation));
+
+                                // UXTB16
+                                if ((instr & 0xf03f0) == 0xf0070) {
+                                        state->Reg[rd_idx] = rotated_rm & 0x00FF00FF;
+                                }
+                                else { // UXTAB16
+                                        const u8 lo_rotated = (rotated_rm & 0xFF);
+                                        const u16 lo_result = (rn_val & 0xFFFF) + (u16)lo_rotated;
+
+                                        const u8 hi_rotated = (rotated_rm >> 16) & 0xFF;
+                                        const u16 hi_result = (rn_val >> 16) + (u16)hi_rotated;
+
+                                        state->Reg[rd_idx] = ((hi_result << 16) | (lo_result & 0xFFFF));
+                                }
+
                                 return 1;
-                        } else
-                                printf ("Unhandled v6 insn: uxtab16\n");
+                        }
                         break;
                 case 0x6e: {
                         ARMword Rm;
diff --git a/src/core/file_sys/archive.h b/src/core/file_sys/archive_backend.h
index 27ed23cd0..18c314884 100644
--- a/src/core/file_sys/archive.h
+++ b/src/core/file_sys/archive_backend.h
@@ -10,8 +10,8 @@
 #include "common/string_util.h"
 #include "common/bit_field.h"
 
-#include "core/file_sys/file.h"
-#include "core/file_sys/directory.h"
+#include "core/file_sys/file_backend.h"
+#include "core/file_sys/directory_backend.h"
 
 #include "core/mem_map.h"
 #include "core/hle/kernel/kernel.h"
@@ -160,27 +160,14 @@ private:
     std::u16string u16str;
 };
 
-class Archive : NonCopyable {
+class ArchiveBackend : NonCopyable {
 public:
-    /// Supported archive types
-    enum class IdCode : u32 {
-        RomFS               = 0x00000003,
-        SaveData            = 0x00000004,
-        ExtSaveData         = 0x00000006,
-        SharedExtSaveData   = 0x00000007,
-        SystemSaveData      = 0x00000008,
-        SDMC                = 0x00000009,
-        SDMCWriteOnly       = 0x0000000A,
-    };
-
-    Archive() { }
-    virtual ~Archive() { }
+    virtual ~ArchiveBackend() { }
 
     /**
-     * Get the IdCode of the archive (e.g. RomFS, SaveData, etc.)
-     * @return IdCode of the archive
+     * Get a descriptive name for the archive (e.g. "RomFS", "SaveData", etc.)
      */
-    virtual IdCode GetIdCode() const = 0;
+    virtual std::string GetName() const = 0;
 
     /**
      * Open a file specified by its path, using the specified mode
@@ -188,7 +175,7 @@ public:
      * @param mode Mode to open the file with
      * @return Opened file, or nullptr
      */
-    virtual std::unique_ptr<File> OpenFile(const Path& path, const Mode mode) const = 0;
+    virtual std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const = 0;
 
     /**
      * Delete a file specified by its path
@@ -232,37 +219,7 @@ public:
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
      */
-    virtual std::unique_ptr<Directory> OpenDirectory(const Path& path) const = 0;
-
-    /**
-     * Read data from the archive
-     * @param offset Offset in bytes to start reading data from
-     * @param length Length in bytes of data to read from archive
-     * @param buffer Buffer to read data into
-     * @return Number of bytes read
-     */
-    virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
-
-    /**
-     * Write data to the archive
-     * @param offset Offset in bytes to start writing data to
-     * @param length Length in bytes of data to write to archive
-     * @param buffer Buffer to write data from
-     * @param flush  The flush parameters (0 == do not flush)
-     * @return Number of bytes written
-     */
-    virtual size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) = 0;
-
-    /**
-     * Get the size of the archive in bytes
-     * @return Size of the archive in bytes
-     */
-    virtual size_t GetSize() const = 0;
-
-    /**
-     * Set the size of the archive in bytes
-     */
-    virtual void SetSize(const u64 size) = 0;
+    virtual std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const = 0;
 };
 
 } // namespace FileSys
diff --git a/src/core/file_sys/archive_romfs.cpp b/src/core/file_sys/archive_romfs.cpp
index 74974c2df..0709b62a1 100644
--- a/src/core/file_sys/archive_romfs.cpp
+++ b/src/core/file_sys/archive_romfs.cpp
@@ -2,6 +2,8 @@
 // Licensed under GPLv2
 // Refer to the license.txt file included.
 
+#include <memory>
+
 #include "common/common_types.h"
 
 #include "core/file_sys/archive_romfs.h"
@@ -20,17 +22,14 @@ Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
     }
 }
 
-Archive_RomFS::~Archive_RomFS() {
-}
-
 /**
  * Open a file specified by its path, using the specified mode
  * @param path Path relative to the archive
  * @param mode Mode to open the file with
  * @return Opened file, or nullptr
  */
-std::unique_ptr<File> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
-    return std::unique_ptr<File>(new File_RomFS);
+std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
+    return std::make_unique<File_RomFS>(this);
 }
 
 /**
@@ -78,49 +77,8 @@ bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys
  * @param path Path relative to the archive
  * @return Opened directory, or nullptr
  */
-std::unique_ptr<Directory> Archive_RomFS::OpenDirectory(const Path& path) const {
-    return std::unique_ptr<Directory>(new Directory_RomFS);
-}
-
-/**
- * Read data from the archive
- * @param offset Offset in bytes to start reading data from
- * @param length Length in bytes of data to read from archive
- * @param buffer Buffer to read data into
- * @return Number of bytes read
- */
-size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
-    LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
-    memcpy(buffer, &raw_data[(u32)offset], length);
-    return length;
-}
-
-/**
- * Write data to the archive
- * @param offset Offset in bytes to start writing data to
- * @param length Length in bytes of data to write to archive
- * @param buffer Buffer to write data from
- * @param flush  The flush parameters (0 == do not flush)
- * @return Number of bytes written
- */
-size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
-    LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
-    return 0;
-}
-
-/**
- * Get the size of the archive in bytes
- * @return Size of the archive in bytes
- */
-size_t Archive_RomFS::GetSize() const {
-    return sizeof(u8) * raw_data.size();
-}
-
-/**
- * Set the size of the archive in bytes
- */
-void Archive_RomFS::SetSize(const u64 size) {
-    LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
+std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
+    return std::make_unique<Directory_RomFS>();
 }
 
 } // namespace FileSys
diff --git a/src/core/file_sys/archive_romfs.h b/src/core/file_sys/archive_romfs.h
index 222bdc356..5b1ee6332 100644
--- a/src/core/file_sys/archive_romfs.h
+++ b/src/core/file_sys/archive_romfs.h
@@ -8,7 +8,7 @@
 
 #include "common/common_types.h"
 
-#include "core/file_sys/archive.h"
+#include "core/file_sys/archive_backend.h"
 #include "core/loader/loader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -17,16 +17,11 @@
 namespace FileSys {
 
 /// File system interface to the RomFS archive
-class Archive_RomFS final : public Archive {
+class Archive_RomFS final : public ArchiveBackend {
 public:
     Archive_RomFS(const Loader::AppLoader& app_loader);
-    ~Archive_RomFS() override;
 
-    /**
-     * Get the IdCode of the archive (e.g. RomFS, SaveData, etc.)
-     * @return IdCode of the archive
-     */
-    IdCode GetIdCode() const override { return IdCode::RomFS; }
+    std::string GetName() const override { return "RomFS"; }
 
     /**
      * Open a file specified by its path, using the specified mode
@@ -34,7 +29,7 @@ public:
      * @param mode Mode to open the file with
      * @return Opened file, or nullptr
      */
-    std::unique_ptr<File> OpenFile(const Path& path, const Mode mode) const override;
+    std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
 
     /**
      * Delete a file specified by its path
@@ -78,39 +73,11 @@ public:
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
      */
-    std::unique_ptr<Directory> OpenDirectory(const Path& path) const override;
-
-    /**
-     * Read data from the archive
-     * @param offset Offset in bytes to start reading data from
-     * @param length Length in bytes of data to read from archive
-     * @param buffer Buffer to read data into
-     * @return Number of bytes read
-     */
-    size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
-
-    /**
-     * Write data to the archive
-     * @param offset Offset in bytes to start writing data to
-     * @param length Length in bytes of data to write to archive
-     * @param buffer Buffer to write data from
-     * @param flush  The flush parameters (0 == do not flush)
-     * @return Number of bytes written
-     */
-    size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
-
-    /**
-     * Get the size of the archive in bytes
-     * @return Size of the archive in bytes
-     */
-    size_t GetSize() const override;
-
-    /**
-     * Set the size of the archive in bytes
-     */
-    void SetSize(const u64 size) override;
+    std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
 
 private:
+    friend class File_RomFS;
+
     std::vector<u8> raw_data;
 };
 
diff --git a/src/core/file_sys/archive_sdmc.cpp b/src/core/file_sys/archive_sdmc.cpp
index 9e524b60e..9d58668e0 100644
--- a/src/core/file_sys/archive_sdmc.cpp
+++ b/src/core/file_sys/archive_sdmc.cpp
@@ -49,12 +49,12 @@ bool Archive_SDMC::Initialize() {
  * @param mode Mode to open the file with
  * @return Opened file, or nullptr
  */
-std::unique_ptr<File> Archive_SDMC::OpenFile(const Path& path, const Mode mode) const {
+std::unique_ptr<FileBackend> Archive_SDMC::OpenFile(const Path& path, const Mode mode) const {
     LOG_DEBUG(Service_FS, "called path=%s mode=%u", path.DebugStr().c_str(), mode.hex);
     File_SDMC* file = new File_SDMC(this, path, mode);
     if (!file->Open())
         return nullptr;
-    return std::unique_ptr<File>(file);
+    return std::unique_ptr<FileBackend>(file);
 }
 
 /**
@@ -97,53 +97,12 @@ bool Archive_SDMC::RenameDirectory(const FileSys::Path& src_path, const FileSys:
  * @param path Path relative to the archive
  * @return Opened directory, or nullptr
  */
-std::unique_ptr<Directory> Archive_SDMC::OpenDirectory(const Path& path) const {
+std::unique_ptr<DirectoryBackend> Archive_SDMC::OpenDirectory(const Path& path) const {
     LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str());
     Directory_SDMC* directory = new Directory_SDMC(this, path);
     if (!directory->Open())
         return nullptr;
-    return std::unique_ptr<Directory>(directory);
-}
-
-/**
- * Read data from the archive
- * @param offset Offset in bytes to start reading archive from
- * @param length Length in bytes to read data from archive
- * @param buffer Buffer to read data into
- * @return Number of bytes read
- */
-size_t Archive_SDMC::Read(const u64 offset, const u32 length, u8* buffer) const {
-    LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
-    return -1;
-}
-
-/**
- * Write data to the archive
- * @param offset Offset in bytes to start writing data to
- * @param length Length in bytes of data to write to archive
- * @param buffer Buffer to write data from
- * @param flush  The flush parameters (0 == do not flush)
- * @return Number of bytes written
- */
-size_t Archive_SDMC::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
-    LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
-    return -1;
-}
-
-/**
- * Get the size of the archive in bytes
- * @return Size of the archive in bytes
- */
-size_t Archive_SDMC::GetSize() const {
-    LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
-    return 0;
-}
-
-/**
- * Set the size of the archive in bytes
- */
-void Archive_SDMC::SetSize(const u64 size) {
-    LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
+    return std::unique_ptr<DirectoryBackend>(directory);
 }
 
 /**
diff --git a/src/core/file_sys/archive_sdmc.h b/src/core/file_sys/archive_sdmc.h
index 19f563a62..059045245 100644
--- a/src/core/file_sys/archive_sdmc.h
+++ b/src/core/file_sys/archive_sdmc.h
@@ -6,7 +6,7 @@
 
 #include "common/common_types.h"
 
-#include "core/file_sys/archive.h"
+#include "core/file_sys/archive_backend.h"
 #include "core/loader/loader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -15,7 +15,7 @@
 namespace FileSys {
 
 /// File system interface to the SDMC archive
-class Archive_SDMC final : public Archive {
+class Archive_SDMC final : public ArchiveBackend {
 public:
     Archive_SDMC(const std::string& mount_point);
     ~Archive_SDMC() override;
@@ -26,11 +26,7 @@ public:
      */
     bool Initialize();
 
-    /**
-     * Get the IdCode of the archive (e.g. RomFS, SaveData, etc.)
-     * @return IdCode of the archive
-     */
-    IdCode GetIdCode() const override { return IdCode::SDMC; }
+    std::string GetName() const override { return "SDMC"; }
 
     /**
      * Open a file specified by its path, using the specified mode
@@ -38,7 +34,7 @@ public:
      * @param mode Mode to open the file with
      * @return Opened file, or nullptr
      */
-    std::unique_ptr<File> OpenFile(const Path& path, const Mode mode) const override;
+    std::unique_ptr<FileBackend> OpenFile(const Path& path, const Mode mode) const override;
 
     /**
      * Delete a file specified by its path
@@ -82,37 +78,7 @@ public:
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
      */
-    std::unique_ptr<Directory> OpenDirectory(const Path& path) const override;
-
-    /**
-     * Read data from the archive
-     * @param offset Offset in bytes to start reading archive from
-     * @param length Length in bytes to read data from archive
-     * @param buffer Buffer to read data into
-     * @return Number of bytes read
-     */
-    size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
-
-    /**
-     * Write data to the archive
-     * @param offset Offset in bytes to start writing data to
-     * @param length Length in bytes of data to write to archive
-     * @param buffer Buffer to write data from
-     * @param flush  The flush parameters (0 == do not flush)
-     * @return Number of bytes written
-     */
-    size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
-
-    /**
-     * Get the size of the archive in bytes
-     * @return Size of the archive in bytes
-     */
-    size_t GetSize() const override;
-
-    /**
-     * Set the size of the archive in bytes
-     */
-    void SetSize(const u64 size) override;
+    std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
 
     /**
      * Getter for the path used for this Archive
diff --git a/src/core/file_sys/directory.h b/src/core/file_sys/directory_backend.h
index 1bb4101d6..188746a6f 100644
--- a/src/core/file_sys/directory.h
+++ b/src/core/file_sys/directory_backend.h
@@ -36,10 +36,10 @@ static_assert(offsetof(Entry, extension) == 0x216, "Wrong offset for extension i
 static_assert(offsetof(Entry, is_archive) == 0x21E, "Wrong offset for is_archive in Entry.");
 static_assert(offsetof(Entry, file_size) == 0x220, "Wrong offset for file_size in Entry.");
 
-class Directory : NonCopyable {
+class DirectoryBackend : NonCopyable {
 public:
-    Directory() { }
-    virtual ~Directory() { }
+    DirectoryBackend() { }
+    virtual ~DirectoryBackend() { }
 
     /**
     * Open the directory
diff --git a/src/core/file_sys/directory_romfs.h b/src/core/file_sys/directory_romfs.h
index e2944099e..b775f014d 100644
--- a/src/core/file_sys/directory_romfs.h
+++ b/src/core/file_sys/directory_romfs.h
@@ -6,7 +6,7 @@
 
 #include "common/common_types.h"
 
-#include "core/file_sys/directory.h"
+#include "core/file_sys/directory_backend.h"
 #include "core/loader/loader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -14,7 +14,7 @@
 
 namespace FileSys {
 
-class Directory_RomFS final : public Directory {
+class Directory_RomFS final : public DirectoryBackend {
 public:
     Directory_RomFS();
     ~Directory_RomFS() override;
diff --git a/src/core/file_sys/directory_sdmc.h b/src/core/file_sys/directory_sdmc.h
index 4c08b0d61..407a256ef 100644
--- a/src/core/file_sys/directory_sdmc.h
+++ b/src/core/file_sys/directory_sdmc.h
@@ -7,7 +7,7 @@
 #include "common/common_types.h"
 #include "common/file_util.h"
 
-#include "core/file_sys/directory.h"
+#include "core/file_sys/directory_backend.h"
 #include "core/file_sys/archive_sdmc.h"
 #include "core/loader/loader.h"
 
@@ -16,7 +16,7 @@
 
 namespace FileSys {
 
-class Directory_SDMC final : public Directory {
+class Directory_SDMC final : public DirectoryBackend {
 public:
     Directory_SDMC();
     Directory_SDMC(const Archive_SDMC* archive, const Path& path);
diff --git a/src/core/file_sys/file.h b/src/core/file_sys/file_backend.h
index 4013b6c3e..1b81d5fe9 100644
--- a/src/core/file_sys/file.h
+++ b/src/core/file_sys/file_backend.h
@@ -13,10 +13,10 @@
 
 namespace FileSys {
 
-class File : NonCopyable {
+class FileBackend : NonCopyable {
 public:
-    File() { }
-    virtual ~File() { }
+    FileBackend() { }
+    virtual ~FileBackend() { }
 
     /**
      * Open the file
diff --git a/src/core/file_sys/file_romfs.cpp b/src/core/file_sys/file_romfs.cpp
index b55708df4..5f38c2704 100644
--- a/src/core/file_sys/file_romfs.cpp
+++ b/src/core/file_sys/file_romfs.cpp
@@ -5,24 +5,19 @@
 #include "common/common_types.h"
 
 #include "core/file_sys/file_romfs.h"
+#include "core/file_sys/archive_romfs.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // FileSys namespace
 
 namespace FileSys {
 
-File_RomFS::File_RomFS() {
-}
-
-File_RomFS::~File_RomFS() {
-}
-
 /**
  * Open the file
  * @return true if the file opened correctly
  */
 bool File_RomFS::Open() {
-    return false;
+    return true;
 }
 
 /**
@@ -33,7 +28,9 @@ bool File_RomFS::Open() {
  * @return Number of bytes read
  */
 size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
-    return -1;
+    LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
+    memcpy(buffer, &archive->raw_data[(u32)offset], length);
+    return length;
 }
 
 /**
@@ -45,7 +42,8 @@ size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
  * @return Number of bytes written
  */
 size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
-    return -1;
+    LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
+    return 0;
 }
 
 /**
@@ -53,7 +51,7 @@ size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, co
  * @return Size of the file in bytes
  */
 size_t File_RomFS::GetSize() const {
-    return -1;
+    return sizeof(u8) * archive->raw_data.size();
 }
 
 /**
@@ -62,6 +60,7 @@ size_t File_RomFS::GetSize() const {
  * @return true if successful
  */
 bool File_RomFS::SetSize(const u64 size) const {
+    LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
     return false;
 }
 
diff --git a/src/core/file_sys/file_romfs.h b/src/core/file_sys/file_romfs.h
index 5196701d3..09fa2e7e3 100644
--- a/src/core/file_sys/file_romfs.h
+++ b/src/core/file_sys/file_romfs.h
@@ -6,7 +6,7 @@
 
 #include "common/common_types.h"
 
-#include "core/file_sys/file.h"
+#include "core/file_sys/file_backend.h"
 #include "core/loader/loader.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -14,10 +14,11 @@
 
 namespace FileSys {
 
-class File_RomFS final : public File {
+class Archive_RomFS;
+
+class File_RomFS final : public FileBackend {
 public:
-    File_RomFS();
-    ~File_RomFS() override;
+    File_RomFS(const Archive_RomFS* archive) : archive(archive) {}
 
     /**
      * Open the file
@@ -62,6 +63,9 @@ public:
      * @return true if the file closed correctly
      */
     bool Close() const override;
+
+private:
+    const Archive_RomFS* archive;
 };
 
 } // namespace FileSys
diff --git a/src/core/file_sys/file_sdmc.h b/src/core/file_sys/file_sdmc.h
index 80b445968..e01548598 100644
--- a/src/core/file_sys/file_sdmc.h
+++ b/src/core/file_sys/file_sdmc.h
@@ -7,7 +7,7 @@
 #include "common/common_types.h"
 #include "common/file_util.h"
 
-#include "core/file_sys/file.h"
+#include "core/file_sys/file_backend.h"
 #include "core/file_sys/archive_sdmc.h"
 #include "core/loader/loader.h"
 
@@ -16,7 +16,7 @@
 
 namespace FileSys {
 
-class File_SDMC final : public File {
+class File_SDMC final : public FileBackend {
 public:
     File_SDMC();
     File_SDMC(const Archive_SDMC* archive, const Path& path, const Mode mode);
diff --git a/src/core/hle/hle.cpp b/src/core/hle/hle.cpp
index 3f73b5538..cc3d5255a 100644
--- a/src/core/hle/hle.cpp
+++ b/src/core/hle/hle.cpp
@@ -8,6 +8,7 @@
 #include "core/hle/hle.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/service/service.h"
+#include "core/hle/service/fs/archive.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
@@ -56,6 +57,7 @@ void RegisterAllModules() {
 
 void Init() {
     Service::Init();
+    Service::FS::ArchiveInit();
 
     RegisterAllModules();
 
@@ -63,6 +65,7 @@ void Init() {
 }
 
 void Shutdown() {
+    Service::FS::ArchiveShutdown();
     Service::Shutdown();
 
     g_module_db.clear();
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index b38be0a49..929422b36 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -9,7 +9,6 @@
 #include "core/core.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/thread.h"
-#include "core/hle/kernel/archive.h"
 
 namespace Kernel {
 
@@ -89,13 +88,11 @@ Object* ObjectPool::CreateByIDType(int type) {
 /// Initialize the kernel
 void Init() {
     Kernel::ThreadingInit();
-    Kernel::ArchiveInit();
 }
 
 /// Shutdown the kernel
 void Shutdown() {
     Kernel::ThreadingShutdown();
-    Kernel::ArchiveShutdown();
 
     g_object_pool.Clear(); // Free all kernel objects
 }
@@ -106,8 +103,6 @@ void Shutdown() {
  * @return True on success, otherwise false
  */
 bool LoadExec(u32 entry_point) {
-    Init();
-
     Core::g_app_core->SetPC(entry_point);
 
     // 0x30 is the typical main thread priority I've seen used so far
diff --git a/src/core/hle/service/am_app.cpp b/src/core/hle/service/am_app.cpp
new file mode 100644
index 000000000..b8b06418c
--- /dev/null
+++ b/src/core/hle/service/am_app.cpp
@@ -0,0 +1,24 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/am_app.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace AM_APP
+
+namespace AM_APP {
+
+// Empty arrays are illegal -- commented out until an entry is added.
+//const Interface::FunctionInfo FunctionTable[] = { };
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    //Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+} // namespace
diff --git a/src/core/hle/service/fs_user.h b/src/core/hle/service/am_app.h
index 005382540..86a5f5b74 100644
--- a/src/core/hle/service/fs_user.h
+++ b/src/core/hle/service/am_app.h
@@ -1,5 +1,5 @@
 // Copyright 2014 Citra Emulator Project
-// Licensed under GPLv2
+// Licensed under GPLv2+
 // Refer to the license.txt file included.
 
 #pragma once
@@ -7,24 +7,20 @@
 #include "core/hle/service/service.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
-// Namespace FS_User
+// Namespace AM_APP
 
-namespace FS_User {
+namespace AM_APP {
 
-/// Interface to "fs:USER" service
 class Interface : public Service::Interface {
 public:
-
     Interface();
 
-    ~Interface();
-
     /**
      * Gets the string port name used by CTROS for the service
      * @return Port name of service
      */
     std::string GetPortName() const override {
-        return "fs:USER";
+        return "am:app";
     }
 };
 
diff --git a/src/core/hle/service/cecd_u.cpp b/src/core/hle/service/cecd_u.cpp
new file mode 100644
index 000000000..25d903516
--- /dev/null
+++ b/src/core/hle/service/cecd_u.cpp
@@ -0,0 +1,24 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/cecd_u.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CECD_U
+
+namespace CECD_U {
+
+// Empty arrays are illegal -- commented out until an entry is added.
+//const Interface::FunctionInfo FunctionTable[] = { };
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    //Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+} // namespace
diff --git a/src/core/hle/service/cecd_u.h b/src/core/hle/service/cecd_u.h
new file mode 100644
index 000000000..969e1ed1b
--- /dev/null
+++ b/src/core/hle/service/cecd_u.h
@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace CECD_U
+
+namespace CECD_U {
+
+class Interface : public Service::Interface {
+public:
+    Interface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    std::string GetPortName() const override {
+        return "cecd:u";
+    }
+};
+
+} // namespace
diff --git a/src/core/hle/kernel/archive.cpp b/src/core/hle/service/fs/archive.cpp
index 0e3eb4564..caf82d556 100644
--- a/src/core/hle/kernel/archive.cpp
+++ b/src/core/hle/service/fs/archive.cpp
@@ -2,23 +2,37 @@
 // Licensed under GPLv2
 // Refer to the license.txt file included.
 
-#include <map>
+#include <memory>
+#include <unordered_map>
 
 #include "common/common_types.h"
 #include "common/file_util.h"
 #include "common/math_util.h"
 
-#include "core/file_sys/archive.h"
+#include "core/file_sys/archive_backend.h"
 #include "core/file_sys/archive_sdmc.h"
-#include "core/file_sys/directory.h"
-#include "core/hle/kernel/archive.h"
+#include "core/file_sys/directory_backend.h"
+#include "core/hle/service/fs/archive.h"
 #include "core/hle/kernel/session.h"
 #include "core/hle/result.h"
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Kernel namespace
+// Specializes std::hash for ArchiveIdCode, so that we can use it in std::unordered_map.
+// Workaroung for libstdc++ bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60970
+namespace std {
+    template <>
+    struct hash<Service::FS::ArchiveIdCode> {
+        typedef Service::FS::ArchiveIdCode argument_type;
+        typedef std::size_t result_type;
+
+        result_type operator()(const argument_type& id_code) const {
+            typedef std::underlying_type<argument_type>::type Type;
+            return std::hash<Type>()(static_cast<Type>(id_code));
+        }
+    };
+}
 
-namespace Kernel {
+namespace Service {
+namespace FS {
 
 // Command to access archive file
 enum class FileCommand : u32 {
@@ -43,78 +57,28 @@ enum class DirectoryCommand : u32 {
     Close           = 0x08020000,
 };
 
-class Archive : public Kernel::Session {
+class Archive {
 public:
-    std::string GetName() const override { return "Archive: " + name; }
-
-    std::string name;           ///< Name of archive (optional)
-    FileSys::Archive* backend;  ///< Archive backend interface
-
-    ResultVal<bool> SyncRequest() override {
-        u32* cmd_buff = Kernel::GetCommandBuffer();
-        FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
+    Archive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code)
+            : backend(std::move(backend)), id_code(id_code) {
+    }
 
-        switch (cmd) {
-        // Read from archive...
-        case FileCommand::Read:
-        {
-            u64 offset  = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
-            u32 length  = cmd_buff[3];
-            u32 address = cmd_buff[5];
+    std::string GetName() const { return "Archive: " + backend->GetName(); }
 
-            // Number of bytes read
-            cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
-            break;
-        }
-        // Write to archive...
-        case FileCommand::Write:
-        {
-            u64 offset  = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
-            u32 length  = cmd_buff[3];
-            u32 flush   = cmd_buff[4];
-            u32 address = cmd_buff[6];
-
-            // Number of bytes written
-            cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
-            break;
-        }
-        case FileCommand::GetSize:
-        {
-            u64 filesize = (u64) backend->GetSize();
-            cmd_buff[2]  = (u32) filesize;         // Lower word
-            cmd_buff[3]  = (u32) (filesize >> 32); // Upper word
-            break;
-        }
-        case FileCommand::SetSize:
-        {
-            backend->SetSize(cmd_buff[1] | ((u64)cmd_buff[2] << 32));
-            break;
-        }
-        case FileCommand::Close:
-        {
-            LOG_TRACE(Service_FS, "Close %s %s", GetTypeName().c_str(), GetName().c_str());
-            CloseArchive(backend->GetIdCode());
-            break;
-        }
-        // Unknown command...
-        default:
-        {
-            LOG_ERROR(Service_FS, "Unknown command=0x%08X", cmd);
-            cmd_buff[0] = UnimplementedFunction(ErrorModule::FS).raw;
-            return MakeResult<bool>(false);
-        }
-        }
-        cmd_buff[1] = 0; // No error
-        return MakeResult<bool>(false);
-    }
+    ArchiveIdCode id_code; ///< Id code of the archive
+    std::unique_ptr<FileSys::ArchiveBackend> backend; ///< Archive backend interface
 };
 
 class File : public Kernel::Session {
 public:
+    File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
+            : backend(std::move(backend)), path(path) {
+    }
+
     std::string GetName() const override { return "Path: " + path.DebugStr(); }
 
     FileSys::Path path; ///< Path of the file
-    std::unique_ptr<FileSys::File> backend; ///< File backend interface
+    std::unique_ptr<FileSys::FileBackend> backend; ///< File backend interface
 
     ResultVal<bool> SyncRequest() override {
         u32* cmd_buff = Kernel::GetCommandBuffer();
@@ -185,10 +149,14 @@ public:
 
 class Directory : public Kernel::Session {
 public:
+    Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
+            : backend(std::move(backend)), path(path) {
+    }
+
     std::string GetName() const override { return "Directory: " + path.DebugStr(); }
 
     FileSys::Path path; ///< Path of the directory
-    std::unique_ptr<FileSys::Directory> backend; ///< File backend interface
+    std::unique_ptr<FileSys::DirectoryBackend> backend; ///< File backend interface
 
     ResultVal<bool> SyncRequest() override {
         u32* cmd_buff = Kernel::GetCommandBuffer();
@@ -230,105 +198,95 @@ public:
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
-std::map<FileSys::Archive::IdCode, Handle> g_archive_map; ///< Map of file archives by IdCode
+/**
+ * Map of registered archives, identified by id code. Once an archive is registered here, it is
+ * never removed until the FS service is shut down.
+ */
+static std::unordered_map<ArchiveIdCode, std::unique_ptr<Archive>> id_code_map;
+
+/**
+ * Map of active archive handles. Values are pointers to the archives in `idcode_map`.
+ */
+static std::unordered_map<ArchiveHandle, Archive*> handle_map;
+static ArchiveHandle next_handle;
+
+static Archive* GetArchive(ArchiveHandle handle) {
+    auto itr = handle_map.find(handle);
+    return (itr == handle_map.end()) ? nullptr : itr->second;
+}
+
+ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code) {
+    LOG_TRACE(Service_FS, "Opening archive with id code 0x%08X", id_code);
 
-ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code) {
-    auto itr = g_archive_map.find(id_code);
-    if (itr == g_archive_map.end()) {
+    auto itr = id_code_map.find(id_code);
+    if (itr == id_code_map.end()) {
+        // TODO: Verify error against hardware
         return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
                 ErrorSummary::NotFound, ErrorLevel::Permanent);
     }
 
-    return MakeResult<Handle>(itr->second);
+    // This should never even happen in the first place with 64-bit handles, 
+    while (handle_map.count(next_handle) != 0) {
+        ++next_handle;
+    }
+    handle_map.emplace(next_handle, itr->second.get());
+    return MakeResult<ArchiveHandle>(next_handle++);
 }
 
-ResultCode CloseArchive(FileSys::Archive::IdCode id_code) {
-    auto itr = g_archive_map.find(id_code);
-    if (itr == g_archive_map.end()) {
-        LOG_ERROR(Service_FS, "Cannot close archive %d, does not exist!", (int)id_code);
+ResultCode CloseArchive(ArchiveHandle handle) {
+    if (handle_map.erase(handle) == 0)
         return InvalidHandle(ErrorModule::FS);
-    }
-
-    LOG_TRACE(Service_FS, "Closed archive %d", (int) id_code);
-    return RESULT_SUCCESS;
+    else
+        return RESULT_SUCCESS;
 }
 
-/**
- * Mounts an archive
- * @param archive Pointer to the archive to mount
- */
-ResultCode MountArchive(Archive* archive) {
-    FileSys::Archive::IdCode id_code = archive->backend->GetIdCode();
-    ResultVal<Handle> archive_handle = OpenArchive(id_code);
-    if (archive_handle.Succeeded()) {
-        LOG_ERROR(Service_FS, "Cannot mount two archives with the same ID code! (%d)", (int) id_code);
-        return archive_handle.Code();
-    }
-    g_archive_map[id_code] = archive->GetHandle();
-    LOG_TRACE(Service_FS, "Mounted archive %s", archive->GetName().c_str());
-    return RESULT_SUCCESS;
-}
+// TODO(yuriks): This might be what the fs:REG service is for. See the Register/Unregister calls in
+// http://3dbrew.org/wiki/Filesystem_services#ProgramRegistry_service_.22fs:REG.22
+ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code) {
+    auto result = id_code_map.emplace(id_code, std::make_unique<Archive>(std::move(backend), id_code));
 
-ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name) {
-    Archive* archive = new Archive;
-    Handle handle = Kernel::g_object_pool.Create(archive);
-    archive->name = name;
-    archive->backend = backend;
+    bool inserted = result.second;
+    _dbg_assert_msg_(Service_FS, inserted, "Tried to register more than one archive with same id code");
 
-    ResultCode result = MountArchive(archive);
-    if (result.IsError()) {
-        return result;
-    }
-    
+    auto& archive = result.first->second;
+    LOG_DEBUG(Service_FS, "Registered archive %s with id code 0x%08X", archive->GetName().c_str(), id_code);
     return RESULT_SUCCESS;
 }
 
-ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
-    // TODO(bunnei): Binary type files get a raw file pointer to the archive. Currently, we create
-    // the archive file handles at app loading, and then keep them persistent throughout execution.
-    // Archives file handles are just reused and not actually freed until emulation shut down.
-    // Verify if real hardware works this way, or if new handles are created each time
-    if (path.GetType() == FileSys::Binary)
-        // TODO(bunnei): FixMe - this is a hack to compensate for an incorrect FileSys backend
-        // design. While the functionally of this is OK, our implementation decision to separate
-        // normal files from archive file pointers is very likely wrong.
-        // See https://github.com/citra-emu/citra/issues/205
-        return MakeResult<Handle>(archive_handle);
-
-    File* file = new File;
-    Handle handle = Kernel::g_object_pool.Create(file);
-
-    Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
-    if (archive == nullptr) {
+ResultVal<Handle> OpenFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
+    Archive* archive = GetArchive(archive_handle);
+    if (archive == nullptr)
         return InvalidHandle(ErrorModule::FS);
-    }
-    file->path = path;
-    file->backend = archive->backend->OpenFile(path, mode);
 
-    if (!file->backend) {
+    std::unique_ptr<FileSys::FileBackend> backend = archive->backend->OpenFile(path, mode);
+    if (backend == nullptr) {
         return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
-                ErrorSummary::NotFound, ErrorLevel::Permanent);
+                          ErrorSummary::NotFound, ErrorLevel::Permanent);
     }
 
+    auto file = std::make_unique<File>(std::move(backend), path);
+    Handle handle = Kernel::g_object_pool.Create(file.release());
     return MakeResult<Handle>(handle);
 }
 
-ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
-    Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
+ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
+    Archive* archive = GetArchive(archive_handle);
     if (archive == nullptr)
         return InvalidHandle(ErrorModule::FS);
+
     if (archive->backend->DeleteFile(path))
         return RESULT_SUCCESS;
     return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
                       ErrorSummary::Canceled, ErrorLevel::Status);
 }
 
-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);
+ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
+                                     ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
+    Archive* src_archive = GetArchive(src_archive_handle);
+    Archive* dest_archive = GetArchive(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;
@@ -336,36 +294,42 @@ ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::P
         // TODO: Implement renaming across archives
         return UnimplementedFunction(ErrorModule::FS);
     }
+
+    // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
+    // exist or similar. Verify.
     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);
+ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
+    Archive* archive = GetArchive(archive_handle);
     if (archive == nullptr)
         return InvalidHandle(ErrorModule::FS);
+
     if (archive->backend->DeleteDirectory(path))
         return RESULT_SUCCESS;
     return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
                       ErrorSummary::Canceled, ErrorLevel::Status);
 }
 
-ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
-    Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
+ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
+    Archive* archive = GetArchive(archive_handle);
     if (archive == nullptr)
         return InvalidHandle(ErrorModule::FS);
+
     if (archive->backend->CreateDirectory(path))
         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);
+ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
+                                          ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
+    Archive* src_archive = GetArchive(src_archive_handle);
+    Archive* dest_archive = GetArchive(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;
@@ -373,6 +337,9 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
         // TODO: Implement renaming across archives
         return UnimplementedFunction(ErrorModule::FS);
     }
+
+    // TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
+    // exist or similar. Verify.
     return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
                       ErrorSummary::NothingHappened, ErrorLevel::Status);
 }
@@ -383,44 +350,43 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
  * @param path Path to the Directory inside of the Archive
  * @return Opened Directory object
  */
-ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
-    Directory* directory = new Directory;
-    Handle handle = Kernel::g_object_pool.Create(directory);
-
-    Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
-    if (archive == nullptr) {
+ResultVal<Handle> OpenDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
+    Archive* archive = GetArchive(archive_handle);
+    if (archive == nullptr)
         return InvalidHandle(ErrorModule::FS);
-    }
-    directory->path = path;
-    directory->backend = archive->backend->OpenDirectory(path);
 
-    if (!directory->backend) {
+    std::unique_ptr<FileSys::DirectoryBackend> backend = archive->backend->OpenDirectory(path);
+    if (backend == nullptr) {
         return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
                           ErrorSummary::NotFound, ErrorLevel::Permanent);
     }
 
+    auto directory = std::make_unique<Directory>(std::move(backend), path);
+    Handle handle = Kernel::g_object_pool.Create(directory.release());
     return MakeResult<Handle>(handle);
 }
 
 /// Initialize archives
 void ArchiveInit() {
-    g_archive_map.clear();
+    next_handle = 1;
 
     // TODO(Link Mauve): Add the other archive types (see here for the known types:
     // http://3dbrew.org/wiki/FS:OpenArchive#Archive_idcodes).  Currently the only half-finished
     // archive type is SDMC, so it is the only one getting exposed.
 
     std::string sdmc_directory = FileUtil::GetUserPath(D_SDMC_IDX);
-    auto archive = new FileSys::Archive_SDMC(sdmc_directory);
+    auto archive = std::make_unique<FileSys::Archive_SDMC>(sdmc_directory);
     if (archive->Initialize())
-        CreateArchive(archive, "SDMC");
+        CreateArchive(std::move(archive), ArchiveIdCode::SDMC);
     else
         LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s", sdmc_directory.c_str());
 }
 
 /// Shutdown archives
 void ArchiveShutdown() {
-    g_archive_map.clear();
+    handle_map.clear();
+    id_code_map.clear();
 }
 
-} // namespace Kernel
+} // namespace FS
+} // namespace Service
diff --git a/src/core/hle/kernel/archive.h b/src/core/hle/service/fs/archive.h
index b50833a2b..a38de92e3 100644
--- a/src/core/hle/kernel/archive.h
+++ b/src/core/hle/service/fs/archive.h
@@ -6,34 +6,45 @@
 
 #include "common/common_types.h"
 
-#include "core/file_sys/archive.h"
+#include "core/file_sys/archive_backend.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/result.h"
 
-////////////////////////////////////////////////////////////////////////////////////////////////////
-// Kernel namespace
+namespace Service {
+namespace FS {
 
-namespace Kernel {
+/// Supported archive types
+enum class ArchiveIdCode : u32 {
+    RomFS               = 0x00000003,
+    SaveData            = 0x00000004,
+    ExtSaveData         = 0x00000006,
+    SharedExtSaveData   = 0x00000007,
+    SystemSaveData      = 0x00000008,
+    SDMC                = 0x00000009,
+    SDMCWriteOnly       = 0x0000000A,
+};
+
+typedef u64 ArchiveHandle;
 
 /**
  * Opens an archive
  * @param id_code IdCode of the archive to open
  * @return Handle to the opened archive
  */
-ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code);
+ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code);
 
 /**
  * Closes an archive
  * @param id_code IdCode of the archive to open
  */
-ResultCode CloseArchive(FileSys::Archive::IdCode id_code);
+ResultCode CloseArchive(ArchiveHandle handle);
 
 /**
  * Creates an Archive
  * @param backend File system backend interface to the archive
- * @param name Name of Archive
+ * @param id_code Id code used to access this type of archive
  */
-ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name);
+ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code);
 
 /**
  * Open a File from an Archive
@@ -42,7 +53,7 @@ ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name);
  * @param mode Mode under which to open the File
  * @return Handle to the opened File object
  */
-ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
+ResultVal<Handle> OpenFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
 
 /**
  * Delete a File from an Archive
@@ -50,7 +61,7 @@ ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path
  * @param path Path to the File inside of the Archive
  * @return Whether deletion succeeded
  */
-ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
 
 /**
  * Rename a File between two Archives
@@ -60,8 +71,8 @@ ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& pat
  * @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);
+ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
+                                     ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
 
 /**
  * Delete a Directory from an Archive
@@ -69,7 +80,7 @@ ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::P
  * @param path Path to the Directory inside of the Archive
  * @return Whether deletion succeeded
  */
-ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
 
 /**
  * Create a Directory from an Archive
@@ -77,7 +88,7 @@ ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path
  * @param path Path to the Directory inside of the Archive
  * @return Whether creation of directory succeeded
  */
-ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
 
 /**
  * Rename a Directory between two Archives
@@ -87,8 +98,8 @@ ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path
  * @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);
+ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
+                                          ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
 
 /**
  * Open a Directory from an Archive
@@ -96,7 +107,7 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
  * @param path Path to the Directory inside of the Archive
  * @return Handle to the opened File object
  */
-ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
+ResultVal<Handle> OpenDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
 
 /// Initialize archives
 void ArchiveInit();
@@ -104,4 +115,5 @@ void ArchiveInit();
 /// Shutdown archives
 void ArchiveShutdown();
 
-} // namespace FileSys
+} // namespace FS
+} // namespace Service
diff --git a/src/core/hle/service/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 672ba2475..0f75d5e3a 100644
--- a/src/core/hle/service/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -3,18 +3,23 @@
 // Refer to the license.txt file included.
 
 #include "common/common.h"
+#include "common/scope_exit.h"
 
 #include "common/string_util.h"
-#include "core/hle/kernel/archive.h"
-#include "core/hle/kernel/archive.h"
+#include "core/hle/service/fs/archive.h"
 #include "core/hle/result.h"
-#include "core/hle/service/fs_user.h"
+#include "core/hle/service/fs/fs_user.h"
 #include "core/settings.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Namespace FS_User
 
-namespace FS_User {
+namespace Service {
+namespace FS {
+
+static ArchiveHandle MakeArchiveHandle(u32 low_word, u32 high_word) {
+    return (u64)low_word | ((u64)high_word << 32);
+}
 
 static void Initialize(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
@@ -57,11 +62,12 @@ static void OpenFile(Service::Interface* self) {
 
     LOG_DEBUG(Service_FS, "path=%s, mode=%d attrs=%u", file_path.DebugStr().c_str(), mode.hex, attributes);
 
-    ResultVal<Handle> handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
+    ResultVal<Handle> handle = OpenFileFromArchive(archive_handle, file_path, mode);
     cmd_buff[1] = handle.Code().raw;
     if (handle.Succeeded()) {
         cmd_buff[3] = *handle;
     } else {
+        cmd_buff[3] = 0;
         LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
     }
 }
@@ -88,7 +94,7 @@ static void OpenFile(Service::Interface* self) {
 static void OpenFileDirectly(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    auto archive_id       = static_cast<FileSys::Archive::IdCode>(cmd_buff[2]);
+    auto archive_id       = static_cast<FS::ArchiveIdCode>(cmd_buff[2]);
     auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
     u32 archivename_size  = cmd_buff[4];
     auto filename_type    = static_cast<FileSys::LowPathType>(cmd_buff[5]);
@@ -106,25 +112,25 @@ static void OpenFileDirectly(Service::Interface* self) {
     if (archive_path.GetType() != FileSys::Empty) {
         LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
         cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
+        cmd_buff[3] = 0;
         return;
     }
 
-    // TODO(Link Mauve): Check if we should even get a handle for the archive, and don't leak it
-    // TODO(yuriks): Why is there all this duplicate (and seemingly useless) code up here?
-    ResultVal<Handle> archive_handle = Kernel::OpenArchive(archive_id);
-    cmd_buff[1] = archive_handle.Code().raw;
+    ResultVal<ArchiveHandle> archive_handle = OpenArchive(archive_id);
     if (archive_handle.Failed()) {
         LOG_ERROR(Service_FS, "failed to get a handle for archive");
+        cmd_buff[1] = archive_handle.Code().raw;
+        cmd_buff[3] = 0;
         return;
     }
-    // cmd_buff[2] isn't used according to 3dmoo's implementation.
-    cmd_buff[3] = *archive_handle;
+    SCOPE_EXIT({ CloseArchive(*archive_handle); });
 
-    ResultVal<Handle> handle = Kernel::OpenFileFromArchive(*archive_handle, file_path, mode);
+    ResultVal<Handle> handle = OpenFileFromArchive(*archive_handle, file_path, mode);
     cmd_buff[1] = handle.Code().raw;
     if (handle.Succeeded()) {
         cmd_buff[3] = *handle;
     } else {
+        cmd_buff[3] = 0;
         LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
     }
 }
@@ -140,12 +146,10 @@ static void OpenFileDirectly(Service::Interface* self) {
  *  Outputs:
  *      1 : Result of function, 0 on success, otherwise error code
  */
-void DeleteFile(Service::Interface* self) {
+static void DeleteFile(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    // TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
-    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
-    Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
+    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
     auto filename_type    = static_cast<FileSys::LowPathType>(cmd_buff[4]);
     u32 filename_size     = cmd_buff[5];
     u32 filename_ptr      = cmd_buff[7];
@@ -155,7 +159,7 @@ void DeleteFile(Service::Interface* self) {
     LOG_DEBUG(Service_FS, "type=%d size=%d data=%s",
               filename_type, filename_size, file_path.DebugStr().c_str());
 
-    cmd_buff[1] = Kernel::DeleteFileFromArchive(archive_handle, file_path).raw;
+    cmd_buff[1] = DeleteFileFromArchive(archive_handle, file_path).raw;
 }
 
 /*
@@ -174,15 +178,13 @@ void DeleteFile(Service::Interface* self) {
  *  Outputs:
  *      1 : Result of function, 0 on success, otherwise error code
  */
-void RenameFile(Service::Interface* self) {
+static void RenameFile(Service::Interface* self) {
     u32* cmd_buff = Kernel::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]);
+    ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], 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]);
+    ArchiveHandle dest_archive_handle = MakeArchiveHandle(cmd_buff[6], 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];
@@ -195,7 +197,7 @@ void RenameFile(Service::Interface* self) {
               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;
+    cmd_buff[1] = RenameFileBetweenArchives(src_archive_handle, src_file_path, dest_archive_handle, dest_file_path).raw;
 }
 
 /*
@@ -209,12 +211,10 @@ void RenameFile(Service::Interface* self) {
  *  Outputs:
  *      1 : Result of function, 0 on success, otherwise error code
  */
-void DeleteDirectory(Service::Interface* self) {
+static void DeleteDirectory(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    // TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
-    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
-    Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
+    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
     auto dirname_type     = static_cast<FileSys::LowPathType>(cmd_buff[4]);
     u32 dirname_size      = cmd_buff[5];
     u32 dirname_ptr       = cmd_buff[7];
@@ -224,7 +224,7 @@ void DeleteDirectory(Service::Interface* self) {
     LOG_DEBUG(Service_FS, "type=%d size=%d data=%s",
               dirname_type, dirname_size, dir_path.DebugStr().c_str());
     
-    cmd_buff[1] = Kernel::DeleteDirectoryFromArchive(archive_handle, dir_path).raw;
+    cmd_buff[1] = DeleteDirectoryFromArchive(archive_handle, dir_path).raw;
 }
 
 /*
@@ -241,9 +241,7 @@ void DeleteDirectory(Service::Interface* self) {
 static void CreateDirectory(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    // TODO: cmd_buff[2], aka archive handle lower word, isn't used according to
-    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
-    Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
+    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
     auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
     u32 dirname_size = cmd_buff[5];
     u32 dirname_ptr = cmd_buff[8];
@@ -252,7 +250,7 @@ static void CreateDirectory(Service::Interface* self) {
 
     LOG_DEBUG(Service_FS, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
 
-    cmd_buff[1] = Kernel::CreateDirectoryFromArchive(archive_handle, dir_path).raw;
+    cmd_buff[1] = CreateDirectoryFromArchive(archive_handle, dir_path).raw;
 }
 
 /*
@@ -271,15 +269,13 @@ static void CreateDirectory(Service::Interface* self) {
  *  Outputs:
  *      1 : Result of function, 0 on success, otherwise error code
  */
-void RenameDirectory(Service::Interface* self) {
+static void RenameDirectory(Service::Interface* self) {
     u32* cmd_buff = Kernel::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]);
+    ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], 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]);
+    ArchiveHandle dest_archive_handle = MakeArchiveHandle(cmd_buff[6], 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];
@@ -292,15 +288,26 @@ void RenameDirectory(Service::Interface* self) {
               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;
+    cmd_buff[1] = RenameDirectoryBetweenArchives(src_archive_handle, src_dir_path, dest_archive_handle, dest_dir_path).raw;
 }
 
+/**
+ * FS_User::OpenDirectory service function
+ *  Inputs:
+ *      1 : Archive handle low word
+ *      2 : Archive handle high word
+ *      3 : Low path type
+ *      4 : Low path size
+ *      7 : (LowPathSize << 14) | 2
+ *      8 : Low path data pointer
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      3 : Directory handle
+ */
 static void OpenDirectory(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    // TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
-    // 3dmoo's or ctrulib's implementations.  Triple check if it's really the case.
-    Handle archive_handle = static_cast<Handle>(cmd_buff[2]);
+    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[1], cmd_buff[2]);
     auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
     u32 dirname_size = cmd_buff[4];
     u32 dirname_ptr = cmd_buff[6];
@@ -309,7 +316,7 @@ static void OpenDirectory(Service::Interface* self) {
 
     LOG_DEBUG(Service_FS, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
 
-    ResultVal<Handle> handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_path);
+    ResultVal<Handle> handle = OpenDirectoryFromArchive(archive_handle, dir_path);
     cmd_buff[1] = handle.Code().raw;
     if (handle.Succeeded()) {
         cmd_buff[3] = *handle;
@@ -334,7 +341,7 @@ static void OpenDirectory(Service::Interface* self) {
 static void OpenArchive(Service::Interface* self) {
     u32* cmd_buff = Kernel::GetCommandBuffer();
 
-    auto archive_id       = static_cast<FileSys::Archive::IdCode>(cmd_buff[1]);
+    auto archive_id       = static_cast<FS::ArchiveIdCode>(cmd_buff[1]);
     auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
     u32 archivename_size  = cmd_buff[3];
     u32 archivename_ptr   = cmd_buff[5];
@@ -348,16 +355,34 @@ static void OpenArchive(Service::Interface* self) {
         return;
     }
 
-    ResultVal<Handle> handle = Kernel::OpenArchive(archive_id);
+    ResultVal<ArchiveHandle> handle = OpenArchive(archive_id);
     cmd_buff[1] = handle.Code().raw;
     if (handle.Succeeded()) {
-        // cmd_buff[2] isn't used according to 3dmoo's implementation.
-        cmd_buff[3] = *handle;
+        cmd_buff[2] = *handle & 0xFFFFFFFF;
+        cmd_buff[3] = (*handle >> 32) & 0xFFFFFFFF;
     } else {
+        cmd_buff[2] = cmd_buff[3] = 0;
         LOG_ERROR(Service_FS, "failed to get a handle for archive");
     }
 }
 
+/**
+ * FS_User::CloseArchive service function
+ *  Inputs:
+ *      0 : 0x080E0080
+ *      1 : Archive handle low word
+ *      2 : Archive handle high word
+ *  Outputs:
+ *      0 : ??? TODO(yuriks): Verify return header
+ *      1 : Result of function, 0 on success, otherwise error code
+ */
+static void CloseArchive(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[1], cmd_buff[2]);
+    cmd_buff[1] = CloseArchive(archive_handle).raw;
+}
+
 /*
 * FS_User::IsSdmcDetected service function
 *  Outputs:
@@ -373,7 +398,7 @@ static void IsSdmcDetected(Service::Interface* self) {
     LOG_DEBUG(Service_FS, "called");
 }
 
-const Interface::FunctionInfo FunctionTable[] = {
+const FSUserInterface::FunctionInfo FunctionTable[] = {
     {0x000100C6, nullptr,               "Dummy1"},
     {0x040100C4, nullptr,               "Control"},
     {0x08010002, Initialize,            "Initialize"},
@@ -389,7 +414,7 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x080B0102, OpenDirectory,         "OpenDirectory"},
     {0x080C00C2, OpenArchive,           "OpenArchive"},
     {0x080D0144, nullptr,               "ControlArchive"},
-    {0x080E0080, nullptr,               "CloseArchive"},
+    {0x080E0080, CloseArchive,          "CloseArchive"},
     {0x080F0180, nullptr,               "FormatThisUserSaveData"},
     {0x08100200, nullptr,               "CreateSystemSaveData"},
     {0x08110040, nullptr,               "DeleteSystemSaveData"},
@@ -465,11 +490,12 @@ const Interface::FunctionInfo FunctionTable[] = {
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Interface class
 
-Interface::Interface() {
+FSUserInterface::FSUserInterface() {
     Register(FunctionTable, ARRAY_SIZE(FunctionTable));
 }
 
-Interface::~Interface() {
+FSUserInterface::~FSUserInterface() {
 }
 
-} // namespace
+} // namespace FS
+} // namespace Service
diff --git a/src/core/hle/service/fs/fs_user.h b/src/core/hle/service/fs/fs_user.h
new file mode 100644
index 000000000..80e3804e0
--- /dev/null
+++ b/src/core/hle/service/fs/fs_user.h
@@ -0,0 +1,33 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace FS_User
+
+namespace Service {
+namespace FS {
+
+/// Interface to "fs:USER" service
+class FSUserInterface : public Service::Interface {
+public:
+
+    FSUserInterface();
+
+    ~FSUserInterface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    std::string GetPortName() const override {
+        return "fs:USER";
+    }
+};
+
+} // namespace FS
+} // namespace Service
diff --git a/src/core/hle/service/ldr_ro.cpp b/src/core/hle/service/ldr_ro.cpp
new file mode 100644
index 000000000..91b1a6fc5
--- /dev/null
+++ b/src/core/hle/service/ldr_ro.cpp
@@ -0,0 +1,28 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/ldr_ro.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace LDR_RO
+
+namespace LDR_RO {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x000100C2, nullptr,               "Initialize"},
+    {0x00020082, nullptr,               "CRR_Load"},
+    {0x00030042, nullptr,               "CRR_Unload"},
+    {0x000402C2, nullptr,               "CRO_LoadAndFix"},
+    {0x000500C2, nullptr,               "CRO_ApplyRelocationPatchesAndLink"}
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+} // namespace
diff --git a/src/core/hle/service/ldr_ro.h b/src/core/hle/service/ldr_ro.h
new file mode 100644
index 000000000..32d7c29cf
--- /dev/null
+++ b/src/core/hle/service/ldr_ro.h
@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace LDR_RO
+
+namespace LDR_RO {
+
+class Interface : public Service::Interface {
+public:
+    Interface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    std::string GetPortName() const override {
+        return "ldr:ro";
+    }
+};
+
+} // namespace
diff --git a/src/core/hle/service/nim_aoc.cpp b/src/core/hle/service/nim_aoc.cpp
new file mode 100644
index 000000000..04c1e0cf3
--- /dev/null
+++ b/src/core/hle/service/nim_aoc.cpp
@@ -0,0 +1,31 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "common/log.h"
+#include "core/hle/hle.h"
+#include "core/hle/service/nim_aoc.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace NIM_AOC
+
+namespace NIM_AOC {
+
+const Interface::FunctionInfo FunctionTable[] = {
+    {0x00030042, nullptr,               "SetApplicationId"},
+    {0x00040042, nullptr,               "SetTin"},
+    {0x000902D0, nullptr,               "ListContentSetsEx"},
+    {0x00180000, nullptr,               "GetBalance"},
+    {0x001D0000, nullptr,               "GetCustomerSupportCode"},
+    {0x00210000, nullptr,               "Initialize"},
+    {0x00240282, nullptr,               "CalculateContentsRequiredSize"},
+    {0x00250000, nullptr,               "RefreshServerTime"},
+};
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Interface class
+
+Interface::Interface() {
+    Register(FunctionTable, ARRAY_SIZE(FunctionTable));
+}
+
+} // namespace
diff --git a/src/core/hle/service/nim_aoc.h b/src/core/hle/service/nim_aoc.h
new file mode 100644
index 000000000..2cc673118
--- /dev/null
+++ b/src/core/hle/service/nim_aoc.h
@@ -0,0 +1,27 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/service/service.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Namespace NIM_AOC
+
+namespace NIM_AOC {
+
+class Interface : public Service::Interface {
+public:
+    Interface();
+
+    /**
+     * Gets the string port name used by CTROS for the service
+     * @return Port name of service
+     */
+    std::string GetPortName() const override {
+        return "nim:aoc";
+    }
+};
+
+} // namespace
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index e6973572b..2230045e3 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -7,21 +7,25 @@
 
 #include "core/hle/service/service.h"
 #include "core/hle/service/ac_u.h"
+#include "core/hle/service/am_app.h"
 #include "core/hle/service/am_net.h"
 #include "core/hle/service/apt_u.h"
 #include "core/hle/service/boss_u.h"
+#include "core/hle/service/cecd_u.h"
 #include "core/hle/service/cfg_i.h"
 #include "core/hle/service/cfg_u.h"
 #include "core/hle/service/csnd_snd.h"
 #include "core/hle/service/dsp_dsp.h"
 #include "core/hle/service/err_f.h"
-#include "core/hle/service/fs_user.h"
+#include "core/hle/service/fs/fs_user.h"
 #include "core/hle/service/frd_u.h"
 #include "core/hle/service/gsp_gpu.h"
 #include "core/hle/service/hid_user.h"
 #include "core/hle/service/ir_rst.h"
 #include "core/hle/service/ir_u.h"
+#include "core/hle/service/ldr_ro.h"
 #include "core/hle/service/mic_u.h"
+#include "core/hle/service/nim_aoc.h"
 #include "core/hle/service/ndm_u.h"
 #include "core/hle/service/nwm_uds.h"
 #include "core/hle/service/pm_app.h"
@@ -84,21 +88,25 @@ void Init() {
 
     g_manager->AddService(new SRV::Interface);
     g_manager->AddService(new AC_U::Interface);
+    g_manager->AddService(new AM_APP::Interface);
     g_manager->AddService(new AM_NET::Interface);
     g_manager->AddService(new APT_U::Interface);
     g_manager->AddService(new BOSS_U::Interface);
+    g_manager->AddService(new CECD_U::Interface);
     g_manager->AddService(new CFG_I::Interface);
     g_manager->AddService(new CFG_U::Interface);
     g_manager->AddService(new CSND_SND::Interface);
     g_manager->AddService(new DSP_DSP::Interface);
     g_manager->AddService(new ERR_F::Interface);
     g_manager->AddService(new FRD_U::Interface);
-    g_manager->AddService(new FS_User::Interface);
+    g_manager->AddService(new FS::FSUserInterface);
     g_manager->AddService(new GSP_GPU::Interface);
     g_manager->AddService(new HID_User::Interface);
     g_manager->AddService(new IR_RST::Interface);
     g_manager->AddService(new IR_U::Interface);
+    g_manager->AddService(new LDR_RO::Interface);
     g_manager->AddService(new MIC_U::Interface);
+    g_manager->AddService(new NIM_AOC::Interface);
     g_manager->AddService(new NDM_U::Interface);
     g_manager->AddService(new NWM_UDS::Interface);
     g_manager->AddService(new PM_APP::Interface);
diff --git a/src/core/loader/3dsx.cpp b/src/core/loader/3dsx.cpp
index f48d13530..0437e5374 100644
--- a/src/core/loader/3dsx.cpp
+++ b/src/core/loader/3dsx.cpp
@@ -8,7 +8,7 @@
 #include "core/file_sys/archive_romfs.h"
 #include "core/loader/elf.h"
 #include "core/loader/ncch.h"
-#include "core/hle/kernel/archive.h"
+#include "core/hle/service/fs/archive.h"
 #include "core/mem_map.h"
 
 #include "3dsx.h"
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 3883e1307..463dacca3 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -8,7 +8,7 @@
 #include "core/loader/3dsx.h"
 #include "core/loader/elf.h"
 #include "core/loader/ncch.h"
-#include "core/hle/kernel/archive.h"
+#include "core/hle/service/fs/archive.h"
 #include "core/mem_map.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -74,7 +74,7 @@ ResultStatus LoadFile(const std::string& filename) {
 
         // Load application and RomFS
         if (ResultStatus::Success == app_loader.Load()) {
-            Kernel::CreateArchive(new FileSys::Archive_RomFS(app_loader), "RomFS");
+            Service::FS::CreateArchive(std::make_unique<FileSys::Archive_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
             return ResultStatus::Success;
         }
         break;
diff --git a/src/core/system.cpp b/src/core/system.cpp
index 43d0eef2c..2885ff45f 100644
--- a/src/core/system.cpp
+++ b/src/core/system.cpp
@@ -23,10 +23,10 @@ void Init(EmuWindow* emu_window) {
     Core::Init();
     Memory::Init();
     HW::Init();
+    Kernel::Init();
     HLE::Init();
     CoreTiming::Init();
     VideoCore::Init(emu_window);
-    Kernel::Init();
 }
 
 void RunLoopFor(int cycles) {
@@ -37,13 +37,13 @@ void RunLoopUntil(u64 global_cycles) {
 }
 
 void Shutdown() {
-    Core::Shutdown();
-    Memory::Shutdown();
-    HW::Shutdown();
-    HLE::Shutdown();
-    CoreTiming::Shutdown();
     VideoCore::Shutdown();
+    CoreTiming::Shutdown();
+    HLE::Shutdown();
     Kernel::Shutdown();
+    HW::Shutdown();
+    Memory::Shutdown();
+    Core::Shutdown();
 }
 
 } // namespace