1 files changed, 285 insertions, 0 deletions
diff --git a/src/core/hle/service/apt/apt.cpp b/src/core/hle/service/apt/apt.cpp
new file mode 100644
index 00000000..5971f860
--- /dev/null
+++ b/src/core/hle/service/apt/apt.cpp
@@ -0,0 +1,285 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/file_util.h"
+
+#include "core/hle/service/service.h"
+#include "core/hle/service/apt/apt.h"
+#include "core/hle/service/apt/apt_a.h"
+#include "core/hle/service/apt/apt_s.h"
+#include "core/hle/service/apt/apt_u.h"
+
+#include "core/hle/hle.h"
+#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/mutex.h"
+#include "core/hle/kernel/shared_memory.h"
+#include "core/hle/kernel/thread.h"
+
+namespace Service {
+namespace APT {
+
+// Address used for shared font (as observed on HW)
+// TODO(bunnei): This is the hard-coded address where we currently dump the shared font from via
+// https://github.com/citra-emu/3dsutils. This is technically a hack, and will not work at any
+// address other than 0x18000000 due to internal pointers in the shared font dump that would need to
+// be relocated. This might be fixed by dumping the shared font @ address 0x00000000 and then
+// correctly mapping it in Citra, however we still do not understand how the mapping is determined.
+static const VAddr SHARED_FONT_VADDR = 0x18000000;
+
+/// Handle to shared memory region designated to for shared system font
+static Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
+
+static Kernel::SharedPtr<Kernel::Mutex> lock;
+static Kernel::SharedPtr<Kernel::Event> notification_event; ///< APT notification event
+static Kernel::SharedPtr<Kernel::Event> pause_event = 0;    ///< APT pause event
+static std::vector<u8> shared_font;
+
+void Initialize(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    cmd_buff[3] = Kernel::g_handle_table.Create(notification_event).MoveFrom();
+    cmd_buff[4] = Kernel::g_handle_table.Create(pause_event).MoveFrom();
+
+    // TODO(bunnei): Check if these events are cleared/signaled every time Initialize is called.
+    notification_event->Clear();
+    pause_event->Signal(); // Fire start event
+
+    ASSERT_MSG((nullptr != lock), "Cannot initialize without lock");
+    lock->Release();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+}
+
+void GetSharedFont(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    if (!shared_font.empty()) {
+        // TODO(bunnei): This function shouldn't copy the shared font every time it's called.
+        // Instead, it should probably map the shared font as RO memory. We don't currently have
+        // an easy way to do this, but the copy should be sufficient for now.
+        memcpy(Memory::GetPointer(SHARED_FONT_VADDR), shared_font.data(), shared_font.size());
+
+        cmd_buff[0] = 0x00440082;
+        cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+        cmd_buff[2] = SHARED_FONT_VADDR;
+        cmd_buff[4] = Kernel::g_handle_table.Create(shared_font_mem).MoveFrom();
+    } else {
+        cmd_buff[1] = -1; // Generic error (not really possible to verify this on hardware)
+        LOG_ERROR(Kernel_SVC, "called, but %s has not been loaded!", SHARED_FONT);
+    }
+}
+
+void NotifyToWait(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 app_id = cmd_buff[1];
+    // TODO(Subv): Verify this, it seems to get SWKBD and Home Menu further.
+    pause_event->Signal();
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    LOG_WARNING(Service_APT, "(STUBBED) app_id=%u", app_id);
+}
+
+void GetLockHandle(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 flags = cmd_buff[1]; // TODO(bunnei): Figure out the purpose of the flag field
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    // Not sure what these parameters are used for, but retail apps check that they are 0 after
+    // GetLockHandle has been called.
+    cmd_buff[2] = 0;
+    cmd_buff[3] = 0;
+    cmd_buff[4] = 0;
+
+    cmd_buff[5] = Kernel::g_handle_table.Create(lock).MoveFrom();
+    LOG_TRACE(Service_APT, "called handle=0x%08X", cmd_buff[5]);
+}
+
+void Enable(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 unk = cmd_buff[1]; // TODO(bunnei): What is this field used for?
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
+}
+
+void GetAppletManInfo(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 unk = cmd_buff[1];
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;
+    cmd_buff[3] = 0;
+    cmd_buff[4] = static_cast<u32>(AppID::HomeMenu); // Home menu AppID
+    cmd_buff[5] = static_cast<u32>(AppID::Application); // TODO(purpasmart96): Do this correctly
+
+    LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
+}
+
+void IsRegistered(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 app_id = cmd_buff[1];
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 1; // Set to registered
+    LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X", app_id);
+}
+
+void InquireNotification(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 app_id = cmd_buff[1];
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = static_cast<u32>(SignalType::None); // Signal type
+    LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X", app_id);
+}
+
+void SendParameter(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 src_app_id          = cmd_buff[1];
+    u32 dst_app_id          = cmd_buff[2];
+    u32 signal_type         = cmd_buff[3];
+    u32 buffer_size         = cmd_buff[4];
+    u32 value               = cmd_buff[5];
+    u32 handle              = cmd_buff[6];
+    u32 size                = cmd_buff[7];
+    u32 in_param_buffer_ptr = cmd_buff[8];
+    
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_APT, "(STUBBED) called src_app_id=0x%08X, dst_app_id=0x%08X, signal_type=0x%08X,"
+               "buffer_size=0x%08X, value=0x%08X, handle=0x%08X, size=0x%08X, in_param_buffer_ptr=0x%08X",
+               src_app_id, dst_app_id, signal_type, buffer_size, value, handle, size, in_param_buffer_ptr);
+}
+
+void ReceiveParameter(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 app_id = cmd_buff[1];
+    u32 buffer_size = cmd_buff[2];
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;
+    cmd_buff[3] = static_cast<u32>(SignalType::AppJustStarted); // Signal type
+    cmd_buff[4] = 0x10; // Parameter buffer size (16)
+    cmd_buff[5] = 0;
+    cmd_buff[6] = 0;
+    cmd_buff[7] = 0;
+    LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X, buffer_size=0x%08X", app_id, buffer_size);
+}
+
+void GlanceParameter(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 app_id = cmd_buff[1];
+    u32 buffer_size = cmd_buff[2];
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0;
+    cmd_buff[3] = static_cast<u32>(SignalType::AppJustStarted); // Signal type
+    cmd_buff[4] = 0x10; // Parameter buffer size (16)
+    cmd_buff[5] = 0;
+    cmd_buff[6] = 0;
+    cmd_buff[7] = 0;
+
+    LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X, buffer_size=0x%08X", app_id, buffer_size);
+}
+
+void CancelParameter(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 flag1  = cmd_buff[1];
+    u32 unk    = cmd_buff[2];
+    u32 flag2  = cmd_buff[3];
+    u32 app_id = cmd_buff[4];
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 1; // Set to Success
+
+    LOG_WARNING(Service_APT, "(STUBBED) called flag1=0x%08X, unk=0x%08X, flag2=0x%08X, app_id=0x%08X",
+               flag1, unk, flag2, app_id);
+}
+
+void AppletUtility(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+
+    // These are from 3dbrew - I'm not really sure what they're used for.
+    u32 unk = cmd_buff[1];
+    u32 buffer1_size = cmd_buff[2];
+    u32 buffer2_size = cmd_buff[3];
+    u32 buffer1_addr = cmd_buff[5];
+    u32 buffer2_addr = cmd_buff[65];
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X, buffer1_size=0x%08x, buffer2_size=0x%08x, "
+             "buffer1_addr=0x%08x, buffer2_addr=0x%08x", unk, buffer1_size, buffer2_size,
+             buffer1_addr, buffer2_addr);
+}
+
+void SetAppCpuTimeLimit(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 value = cmd_buff[1];
+    u32 percent = cmd_buff[2];
+
+    if (value != 1) {
+        LOG_ERROR(Service_APT, "This value should be one, but is actually %u!", value);
+    }
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+
+    LOG_WARNING(Service_APT, "(STUBBED) called percent=0x%08X, value=0x%08x", percent, value);
+}
+
+void GetAppCpuTimeLimit(Service::Interface* self) {
+    u32* cmd_buff = Kernel::GetCommandBuffer();
+    u32 value = cmd_buff[1];
+
+    if (value != 1) {
+        LOG_ERROR(Service_APT, "This value should be one, but is actually %u!", value);
+    }
+
+    // TODO(purpasmart96): This is incorrect, I'm pretty sure the percentage should
+    // be set by the application.
+
+    cmd_buff[1] = RESULT_SUCCESS.raw; // No error
+    cmd_buff[2] = 0x80; // Set to 80%
+
+    LOG_WARNING(Service_APT, "(STUBBED) called value=0x%08x", value);
+}
+
+void APTInit() {
+    AddService(new APT_A_Interface);
+    AddService(new APT_S_Interface);
+    AddService(new APT_U_Interface);
+    
+    // Load the shared system font (if available).
+    // The expected format is a decrypted, uncompressed BCFNT file with the 0x80 byte header
+    // generated by the APT:U service. The best way to get is by dumping it from RAM. We've provided
+    // a homebrew app to do this: https://github.com/citra-emu/3dsutils. Put the resulting file
+    // "shared_font.bin" in the Citra "sysdata" directory.
+
+    shared_font.clear();
+    std::string filepath = FileUtil::GetUserPath(D_SYSDATA_IDX) + SHARED_FONT;
+
+    FileUtil::CreateFullPath(filepath); // Create path if not already created
+    FileUtil::IOFile file(filepath, "rb");
+
+    if (file.IsOpen()) {
+        // Read shared font data
+        shared_font.resize((size_t)file.GetSize());
+        file.ReadBytes(shared_font.data(), (size_t)file.GetSize());
+
+        // Create shared font memory object
+        shared_font_mem = Kernel::SharedMemory::Create("APT_U:shared_font_mem");
+    } else {
+        LOG_WARNING(Service_APT, "Unable to load shared font: %s", filepath.c_str());
+        shared_font_mem = nullptr;
+    }
+
+    lock = Kernel::Mutex::Create(false, "APT_U:Lock");
+    
+    // TODO(bunnei): Check if these are created in Initialize or on APT process startup.
+    notification_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Notification");
+    pause_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Pause");
+}
+
+void APTShutdown() {
+
+}
+
+} // namespace APT
+} // namespace Service