HLE/Applets: Implement ErrEula applet

src/core/CMakeLists.txt

@@ -27,6 +27,7 @@ set(SRCS
             hle/config_mem.cpp
             hle/hle.cpp
             hle/applets/applet.cpp
+            hle/applets/erreula.cpp
             hle/applets/mii_selector.cpp
             hle/applets/swkbd.cpp
             hle/kernel/address_arbiter.cpp
@@ -168,6 +169,7 @@ set(HEADERS
             hle/function_wrappers.h
             hle/hle.h
             hle/applets/applet.h
+            hle/applets/erreula.h
             hle/applets/mii_selector.h
             hle/applets/swkbd.h
             hle/kernel/address_arbiter.h

src/core/hle/applets/applet.cpp

@@ -12,6 +12,7 @@
 
 #include "core/core_timing.h"
 #include "core/hle/applets/applet.h"
+#include "core/hle/applets/erreula.h"
 #include "core/hle/applets/mii_selector.h"
 #include "core/hle/applets/swkbd.h"
 #include "core/hle/result.h"
@@ -52,6 +53,10 @@ ResultCode Applet::Create(Service::APT::AppletId id) {
     case Service::APT::AppletId::Ed2:
         applets[id] = std::make_shared<MiiSelector>(id);
         break;
+    case Service::APT::AppletId::Error:
+    case Service::APT::AppletId::Error2:
+        applets[id] = std::make_shared<ErrEula>(id);
+        break;
     default:
         LOG_ERROR(Service_APT, "Could not create applet %u", id);
         // TODO(Subv): Find the right error code

src/core/hle/applets/erreula.cpp

@@ -0,0 +1,72 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/string_util.h"
+
+#include "core/hle/applets/erreula.h"
+#include "core/hle/service/apt/apt.h"
+
+namespace HLE {
+namespace Applets {
+
+ResultCode ErrEula::ReceiveParameter(const Service::APT::MessageParameter& parameter) {
+    if (parameter.signal != static_cast<u32>(Service::APT::SignalType::LibAppJustStarted)) {
+        LOG_ERROR(Service_APT, "unsupported signal %u", parameter.signal);
+        UNIMPLEMENTED();
+        // TODO(Subv): Find the right error code
+        return ResultCode(-1);
+    }
+
+    // The LibAppJustStarted message contains a buffer with the size of the framebuffer shared memory.
+    // Create the SharedMemory that will hold the framebuffer data
+    Service::APT::CaptureBufferInfo capture_info;
+    ASSERT(sizeof(capture_info) == parameter.buffer.size());
+
+    memcpy(&capture_info, parameter.buffer.data(), sizeof(capture_info));
+
+    // TODO: allocated memory never released
+    using Kernel::MemoryPermission;
+    // Allocate a heap block of the required size for this applet.
+    heap_memory = std::make_shared<std::vector<u8>>(capture_info.size);
+    // Create a SharedMemory that directly points to this heap block.
+    framebuffer_memory = Kernel::SharedMemory::CreateForApplet(heap_memory, 0, heap_memory->size(),
+                                                               MemoryPermission::ReadWrite, MemoryPermission::ReadWrite,
+                                                               "ErrEula Memory");
+
+    // Send the response message with the newly created SharedMemory
+    Service::APT::MessageParameter result;
+    result.signal = static_cast<u32>(Service::APT::SignalType::LibAppFinished);
+    result.buffer.clear();
+    result.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
+    result.sender_id = static_cast<u32>(id);
+    result.object = framebuffer_memory;
+
+    Service::APT::SendParameter(result);
+    return RESULT_SUCCESS;
+}
+
+ResultCode ErrEula::StartImpl(const Service::APT::AppletStartupParameter& parameter) {
+    started = true;
+
+    // TODO(Subv): Set the expected fields in the response buffer before resending it to the application.
+    // TODO(Subv): Reverse the parameter format for the ErrEula applet
+
+    // Let the application know that we're closing
+    Service::APT::MessageParameter message;
+    message.buffer.resize(parameter.buffer.size());
+    std::fill(message.buffer.begin(), message.buffer.end(), 0);
+    message.signal = static_cast<u32>(Service::APT::SignalType::LibAppClosed);
+    message.destination_id = static_cast<u32>(Service::APT::AppletId::Application);
+    message.sender_id = static_cast<u32>(id);
+    Service::APT::SendParameter(message);
+
+    started = false;
+    return RESULT_SUCCESS;
+}
+
+void ErrEula::Update() {
+}
+
+} // namespace Applets
+} // namespace HLE

src/core/hle/applets/erreula.h

@@ -0,0 +1,31 @@
+// Copyright 2016 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/applets/applet.h"
+#include "core/hle/kernel/shared_memory.h"
+
+namespace HLE {
+namespace Applets {
+
+class ErrEula final : public Applet {
+public:
+    explicit ErrEula(Service::APT::AppletId id): Applet(id) { }
+
+    ResultCode ReceiveParameter(const Service::APT::MessageParameter& parameter) override;
+    ResultCode StartImpl(const Service::APT::AppletStartupParameter& parameter) override;
+    void Update() override;
+    bool IsRunning() const override { return started; }
+
+    /// This SharedMemory will be created when we receive the LibAppJustStarted message.
+    /// It holds the framebuffer info retrieved by the application with GSPGPU::ImportDisplayCaptureInfo
+    Kernel::SharedPtr<Kernel::SharedMemory> framebuffer_memory;
+private:
+    /// Whether this applet is currently running instead of the host application or not.
+    bool started = false;
+};
+
+} // namespace Applets
+} // namespace HLE

src/core/hle/service/apt/apt.h

@@ -66,6 +66,8 @@ enum class AppletId : u32 {
     InstructionManual  = 0x115,
     Notifications      = 0x116,
     Miiverse           = 0x117,
+    MiiversePost       = 0x118,
+    AmiiboSettings     = 0x119,
     SoftwareKeyboard1  = 0x201,
     Ed1                = 0x202,
     PnoteApp           = 0x204,
@@ -78,6 +80,12 @@ enum class AppletId : u32 {
     AnyLibraryApplet   = 0x400,
     SoftwareKeyboard2  = 0x401,
     Ed2                = 0x402,
+    PnoteApp2          = 0x404,
+    SnoteApp2          = 0x405,
+    Error2             = 0x406,
+    Mint2              = 0x407,
+    Extrapad2          = 0x408,
+    Memolib2           = 0x409,
 };
 
 enum class StartupArgumentType : u32 {