olsc: Move member initialization to after member functions.

- Used by Animal Cross: New Horizons v1.6.0 update, minimal stub gets this update working.

src/common/logging/backend.cpp

@@ -222,6 +222,7 @@ void DebuggerBackend::Write(const Entry& entry) {
     SUB(Service, NPNS)                                                                             \
     SUB(Service, NS)                                                                               \
     SUB(Service, NVDRV)                                                                            \
+    SUB(Service, OLSC)                                                                             \
     SUB(Service, PCIE)                                                                             \
     SUB(Service, PCTL)                                                                             \
     SUB(Service, PCV)                                                                              \

src/common/logging/log.h

@@ -95,6 +95,7 @@ enum class Class : ClassType {
     Service_NPNS,      ///< The NPNS service
     Service_NS,        ///< The NS services
     Service_NVDRV,     ///< The NVDRV (Nvidia driver) service
+    Service_OLSC,      ///< The OLSC service
     Service_PCIE,      ///< The PCIe service
     Service_PCTL,      ///< The PCTL (Parental control) service
     Service_PCV,       ///< The PCV service

src/common/page_table.cpp

@@ -8,7 +8,7 @@ namespace Common {
 
 PageTable::PageTable() = default;
 
-PageTable::~PageTable() = default;
+PageTable::~PageTable() noexcept = default;
 
 void PageTable::Resize(std::size_t address_space_width_in_bits, std::size_t page_size_in_bits,
                        bool has_attribute) {

src/common/page_table.h

@@ -4,9 +4,7 @@
 
 #pragma once
 
-#include <vector>
-
-#include <boost/icl/interval_map.hpp>
+#include <tuple>
 
 #include "common/common_types.h"
 #include "common/memory_hook.h"
@@ -51,13 +49,21 @@ struct SpecialRegion {
  */
 struct PageTable {
     PageTable();
-    ~PageTable();
+    ~PageTable() noexcept;
+
+    PageTable(const PageTable&) = delete;
+    PageTable& operator=(const PageTable&) = delete;
+
+    PageTable(PageTable&&) noexcept = default;
+    PageTable& operator=(PageTable&&) noexcept = default;
 
     /**
      * Resizes the page table to be able to accomodate enough pages within
      * a given address space.
      *
      * @param address_space_width_in_bits The address size width in bits.
+     * @param page_size_in_bits           The page size in bits.
+     * @param has_attribute               Whether or not this page has any backing attributes.
      */
     void Resize(std::size_t address_space_width_in_bits, std::size_t page_size_in_bits,
                 bool has_attribute);

src/common/virtual_buffer.cpp

@@ -13,7 +13,7 @@
 
 namespace Common {
 
-void* AllocateMemoryPages(std::size_t size) {
+void* AllocateMemoryPages(std::size_t size) noexcept {
 #ifdef _WIN32
     void* base{VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE)};
 #else
@@ -29,7 +29,7 @@ void* AllocateMemoryPages(std::size_t size) {
     return base;
 }
 
-void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) {
+void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) noexcept {
     if (!base) {
         return;
     }

src/common/virtual_buffer.h

@@ -4,25 +4,44 @@
 
 #pragma once
 
-#include "common/common_funcs.h"
+#include <type_traits>
+#include <utility>
 
 namespace Common {
 
-void* AllocateMemoryPages(std::size_t size);
-void FreeMemoryPages(void* base, std::size_t size);
+void* AllocateMemoryPages(std::size_t size) noexcept;
+void FreeMemoryPages(void* base, std::size_t size) noexcept;
 
 template <typename T>
-class VirtualBuffer final : NonCopyable {
+class VirtualBuffer final {
 public:
+    static_assert(
+        std::is_trivially_constructible_v<T>,
+        "T must be trivially constructible, as non-trivial constructors will not be executed "
+        "with the current allocator");
+
     constexpr VirtualBuffer() = default;
     explicit VirtualBuffer(std::size_t count) : alloc_size{count * sizeof(T)} {
         base_ptr = reinterpret_cast<T*>(AllocateMemoryPages(alloc_size));
     }
 
-    ~VirtualBuffer() {
+    ~VirtualBuffer() noexcept {
         FreeMemoryPages(base_ptr, alloc_size);
     }
 
+    VirtualBuffer(const VirtualBuffer&) = delete;
+    VirtualBuffer& operator=(const VirtualBuffer&) = delete;
+
+    VirtualBuffer(VirtualBuffer&& other) noexcept
+        : alloc_size{std::exchange(other.alloc_size, 0)}, base_ptr{std::exchange(other.base_ptr),
+                                                                   nullptr} {}
+
+    VirtualBuffer& operator=(VirtualBuffer&& other) noexcept {
+        alloc_size = std::exchange(other.alloc_size, 0);
+        base_ptr = std::exchange(other.base_ptr, nullptr);
+        return *this;
+    }
+
     void resize(std::size_t count) {
         FreeMemoryPages(base_ptr, alloc_size);
 

src/core/CMakeLists.txt

@@ -458,6 +458,8 @@ add_library(core STATIC
     hle/service/nvflinger/buffer_queue.h
     hle/service/nvflinger/nvflinger.cpp
     hle/service/nvflinger/nvflinger.h
+    hle/service/olsc/olsc.cpp
+    hle/service/olsc/olsc.h
     hle/service/pcie/pcie.cpp
     hle/service/pcie/pcie.h
     hle/service/pctl/module.cpp

src/core/hle/service/olsc/olsc.cpp

@@ -0,0 +1,69 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/olsc/olsc.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::OLSC {
+
+class OLSC final : public ServiceFramework<OLSC> {
+public:
+    explicit OLSC() : ServiceFramework{"olsc:u"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &OLSC::Initialize, "Initialize"},
+            {10, nullptr, "VerifySaveDataBackupLicenseAsync"},
+            {13, nullptr, "GetSaveDataBackupSetting"},
+            {14, &OLSC::SetSaveDataBackupSettingEnabled, "SetSaveDataBackupSettingEnabled"},
+            {15, nullptr, "SetCustomData"},
+            {16, nullptr, "DeleteSaveDataBackupSetting"},
+            {18, nullptr, "GetSaveDataBackupInfoCache"},
+            {19, nullptr, "UpdateSaveDataBackupInfoCacheAsync"},
+            {22, nullptr, "DeleteSaveDataBackupAsync"},
+            {25, nullptr, "ListDownloadableSaveDataBackupInfoAsync"},
+            {26, nullptr, "DownloadSaveDataBackupAsync"},
+            {9010, nullptr, "VerifySaveDataBackupLicenseAsyncForDebug"},
+            {9013, nullptr, "GetSaveDataBackupSettingForDebug"},
+            {9014, nullptr, "SetSaveDataBackupSettingEnabledForDebug"},
+            {9015, nullptr, "SetCustomDataForDebug"},
+            {9016, nullptr, "DeleteSaveDataBackupSettingForDebug"},
+            {9018, nullptr, "GetSaveDataBackupInfoCacheForDebug"},
+            {9019, nullptr, "UpdateSaveDataBackupInfoCacheAsyncForDebug"},
+            {9022, nullptr, "DeleteSaveDataBackupAsyncForDebug"},
+            {9025, nullptr, "ListDownloadableSaveDataBackupInfoAsyncForDebug"},
+            {9026, nullptr, "DownloadSaveDataBackupAsyncForDebug"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void Initialize(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_OLSC, "(STUBBED) called");
+
+        initialized = true;
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    void SetSaveDataBackupSettingEnabled(Kernel::HLERequestContext& ctx) {
+        LOG_WARNING(Service_OLSC, "(STUBBED) called");
+
+        IPC::ResponseBuilder rb{ctx, 2};
+        rb.Push(RESULT_SUCCESS);
+    }
+
+    bool initialized{};
+};
+
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<OLSC>()->InstallAsService(service_manager);
+}
+
+} // namespace Service::OLSC

src/core/hle/service/olsc/olsc.h

@@ -0,0 +1,16 @@
+// Copyright 2020 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Service::SM {
+class ServiceManager;
+}
+
+namespace Service::OLSC {
+
+/// Registers all SSL services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
+} // namespace Service::OLSC

src/core/hle/service/service.cpp

@@ -51,6 +51,7 @@
 #include "core/hle/service/ns/ns.h"
 #include "core/hle/service/nvdrv/nvdrv.h"
 #include "core/hle/service/nvflinger/nvflinger.h"
+#include "core/hle/service/olsc/olsc.h"
 #include "core/hle/service/pcie/pcie.h"
 #include "core/hle/service/pctl/module.h"
 #include "core/hle/service/pcv/pcv.h"
@@ -231,6 +232,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, Core::System& system) {
     NPNS::InstallInterfaces(*sm);
     NS::InstallInterfaces(*sm, system);
     Nvidia::InstallInterfaces(*sm, *nv_flinger, system);
+    OLSC::InstallInterfaces(*sm);
     PCIe::InstallInterfaces(*sm);
     PCTL::InstallInterfaces(*sm);
     PCV::InstallInterfaces(*sm);