service: Add fgm services

Adds the basic skeleton for the fgm services based off the information
provided by Switch Brew.

src/common/logging/backend.cpp

@@ -171,6 +171,7 @@ void FileBackend::Write(const Entry& entry) {
     SUB(Service, BCAT)                                                                             \
     SUB(Service, BTM)                                                                              \
     SUB(Service, Fatal)                                                                            \
+    SUB(Service, FGM)                                                                              \
     SUB(Service, Friend)                                                                           \
     SUB(Service, FS)                                                                               \
     SUB(Service, HID)                                                                              \

src/common/logging/log.h

@@ -58,6 +58,7 @@ enum class Class : ClassType {
     Service_BCAT,      ///< The BCAT service
     Service_BTM,       ///< The BTM service
     Service_Fatal,     ///< The Fatal service
+    Service_FGM,       ///< The FGM service
     Service_Friend,    ///< The friend service
     Service_FS,        ///< The FS (Filesystem) service
     Service_HID,       ///< The HID (Human interface device) service

src/core/CMakeLists.txt

@@ -160,6 +160,8 @@ add_library(core STATIC
     hle/service/filesystem/filesystem.h
     hle/service/filesystem/fsp_srv.cpp
     hle/service/filesystem/fsp_srv.h
+    hle/service/fgm/fgm.cpp
+    hle/service/fgm/fgm.h
     hle/service/friend/friend.cpp
     hle/service/friend/friend.h
     hle/service/friend/interface.cpp

src/core/hle/service/fgm/fgm.cpp

@@ -0,0 +1,75 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/hle_ipc.h"
+#include "core/hle/service/fgm/fgm.h"
+#include "core/hle/service/service.h"
+#include "core/hle/service/sm/sm.h"
+
+namespace Service::FGM {
+
+class IRequest final : public ServiceFramework<IRequest> {
+public:
+    explicit IRequest() : ServiceFramework{"IRequest"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "Initialize"},
+            {1, nullptr, "Set"},
+            {2, nullptr, "Get"},
+            {3, nullptr, "Cancel"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+class FGM final : public ServiceFramework<FGM> {
+public:
+    explicit FGM(const char* name) : ServiceFramework{name} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, &FGM::Initialize, "Initialize"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+
+private:
+    void Initialize(Kernel::HLERequestContext& ctx) {
+        IPC::ResponseBuilder rb{ctx, 2, 0, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushIpcInterface<IRequest>();
+
+        LOG_DEBUG(Service_FGM, "called");
+    }
+};
+
+class FGM_DBG final : public ServiceFramework<FGM_DBG> {
+public:
+    explicit FGM_DBG() : ServiceFramework{"fgm:dbg"} {
+        // clang-format off
+        static const FunctionInfo functions[] = {
+            {0, nullptr, "Initialize"},
+            {1, nullptr, "Read"},
+            {2, nullptr, "Cancel"},
+        };
+        // clang-format on
+
+        RegisterHandlers(functions);
+    }
+};
+
+void InstallInterfaces(SM::ServiceManager& sm) {
+    std::make_shared<FGM>("fgm")->InstallAsService(sm);
+    std::make_shared<FGM>("fgm:0")->InstallAsService(sm);
+    std::make_shared<FGM>("fgm:9")->InstallAsService(sm);
+    std::make_shared<FGM_DBG>()->InstallAsService(sm);
+}
+
+} // namespace Service::FGM

src/core/hle/service/fgm/fgm.h

@@ -0,0 +1,15 @@
+// Copyright 2018 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::FGM {
+
+void InstallInterfaces(SM::ServiceManager& sm);
+
+} // namespace Service::FGM

src/core/hle/service/service.cpp

@@ -27,6 +27,7 @@
 #include "core/hle/service/es/es.h"
 #include "core/hle/service/eupld/eupld.h"
 #include "core/hle/service/fatal/fatal.h"
+#include "core/hle/service/fgm/fgm.h"
 #include "core/hle/service/filesystem/filesystem.h"
 #include "core/hle/service/friend/friend.h"
 #include "core/hle/service/grc/grc.h"
@@ -208,6 +209,7 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm) {
     ES::InstallInterfaces(*sm);
     EUPLD::InstallInterfaces(*sm);
     Fatal::InstallInterfaces(*sm);
+    FGM::InstallInterfaces(*sm);
     FileSystem::InstallInterfaces(*sm);
     Friend::InstallInterfaces(*sm);
     GRC::InstallInterfaces(*sm);