From f4a3d282246406d44a391aafd8d494ff68669cfa Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 14 Jan 2018 21:24:50 -0500
Subject: [PATCH] hid: Implement IAppletResource::GetSharedMemoryHandle.

---
 src/core/hle/service/hid/hid.cpp | 64 ++++++++++++++++++++++++++++++--
 src/core/hle/service/hid/hid.h   | 13 +++----
 src/core/hle/service/service.cpp |  5 +--
 3 files changed, 68 insertions(+), 14 deletions(-)

diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index f838713a31..db77a445ae 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -1,19 +1,77 @@
-// Copyright 2015 Citra Emulator Project
+// Copyright 2018 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #include "common/logging/log.h"
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/client_port.h"
+#include "core/hle/kernel/client_session.h"
+#include "core/hle/kernel/shared_memory.h"
 #include "core/hle/service/hid/hid.h"
 #include "core/hle/service/service.h"
 
 namespace Service {
 namespace HID {
 
-void Init() {}
+class IAppletResource final : public ServiceFramework<IAppletResource> {
+public:
+    IAppletResource() : ServiceFramework("IAppletResource") {
+        static const FunctionInfo functions[] = {
+            {0, &IAppletResource::GetSharedMemoryHandle, "GetSharedMemoryHandle"},
+        };
+        RegisterHandlers(functions);
 
-void Shutdown() {}
+        shared_mem = Kernel::SharedMemory::Create(
+            nullptr, 0x40000, Kernel::MemoryPermission::ReadWrite, Kernel::MemoryPermission::Read,
+            0, Kernel::MemoryRegion::BASE, "HID:SharedMemory");
+    }
+
+private:
+    void GetSharedMemoryHandle(Kernel::HLERequestContext& ctx) {
+        IPC::RequestBuilder rb{ctx, 2, 1};
+        rb.Push(RESULT_SUCCESS);
+        rb.PushCopyObjects(shared_mem);
+        LOG_DEBUG(Service, "called");
+    }
+
+    // Handle to shared memory region designated to HID service
+    Kernel::SharedPtr<Kernel::SharedMemory> shared_mem;
+};
+
+class Hid final : public ServiceFramework<Hid> {
+public:
+    Hid() : ServiceFramework("hid") {
+        static const FunctionInfo functions[] = {
+            {0x00000000, &Hid::CreateAppletResource, "CreateAppletResource"},
+        };
+        RegisterHandlers(functions);
+    }
+    ~Hid() = default;
+
+private:
+    void CreateAppletResource(Kernel::HLERequestContext& ctx) {
+        auto client_port = std::make_shared<IAppletResource>()->CreatePort();
+        auto session = client_port->Connect();
+        if (session.Succeeded()) {
+            LOG_DEBUG(Service, "called, initialized IAppletResource -> session=%u",
+                      (*session)->GetObjectId());
+            IPC::RequestBuilder rb{ctx, 2, 0, 1};
+            rb.Push(RESULT_SUCCESS);
+            rb.PushMoveObjects(std::move(session).Unwrap());
+            registered_loggers.emplace_back(std::move(client_port));
+        } else {
+            UNIMPLEMENTED();
+        }
+    }
+
+    std::vector<Kernel::SharedPtr<Kernel::ClientPort>> registered_loggers;
+};
 
 void ReloadInputDevices() {}
 
+void InstallInterfaces(SM::ServiceManager& service_manager) {
+    std::make_shared<Hid>()->InstallAsService(service_manager);
+}
+
 } // namespace HID
 } // namespace Service
diff --git a/src/core/hle/service/hid/hid.h b/src/core/hle/service/hid/hid.h
index a1d227dfef..f7621f62d1 100644
--- a/src/core/hle/service/hid/hid.h
+++ b/src/core/hle/service/hid/hid.h
@@ -1,20 +1,19 @@
-// Copyright 2015 Citra Emulator Project
+// Copyright 2018 yuzu emulator team
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
 #pragma once
 
+#include "core/hle/service/service.h"
+
 namespace Service {
 namespace HID {
 
-/// Initialize HID service
-void Init();
-
-/// Shutdown HID service
-void Shutdown();
-
 /// Reload input devices. Used when input configuration changed
 void ReloadInputDevices();
 
+/// Registers all HID services with the specified service manager.
+void InstallInterfaces(SM::ServiceManager& service_manager);
+
 } // namespace HID
 } // namespace Service
diff --git a/src/core/hle/service/service.cpp b/src/core/hle/service/service.cpp
index b82df6f351..0ecc0eb16b 100644
--- a/src/core/hle/service/service.cpp
+++ b/src/core/hle/service/service.cpp
@@ -164,20 +164,17 @@ void Init() {
     AM::InstallInterfaces(*SM::g_service_manager);
     AOC::InstallInterfaces(*SM::g_service_manager);
     APM::InstallInterfaces(*SM::g_service_manager);
+    HID::InstallInterfaces(*SM::g_service_manager);
     LM::InstallInterfaces(*SM::g_service_manager);
     NVDRV::InstallInterfaces(*SM::g_service_manager);
     PCTL::InstallInterfaces(*SM::g_service_manager);
     VI::InstallInterfaces(*SM::g_service_manager);
 
-    HID::Init();
-
     LOG_DEBUG(Service, "initialized OK");
 }
 
 /// Shutdown ServiceManager
 void Shutdown() {
-    HID::Shutdown();
-
     SM::g_service_manager = nullptr;
     g_kernel_named_ports.clear();
     LOG_DEBUG(Service, "shutdown OK");