526 lines
22 KiB
C++
526 lines
22 KiB
C++
// Copyright 2014 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "common/common.h"
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#include "common/file_util.h"
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#include "core/hle/hle.h"
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#include "core/hle/kernel/event.h"
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#include "core/hle/kernel/mutex.h"
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#include "core/hle/kernel/shared_memory.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/service/apt_u.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Namespace APT_U
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namespace APT_U {
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// Address used for shared font (as observed on HW)
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// TODO(bunnei): This is the hard-coded address where we currently dump the shared font from via
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// https://github.com/citra-emu/3dsutils. This is technically a hack, and will not work at any
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// address other than 0x18000000 due to internal pointers in the shared font dump that would need to
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// be relocated. This might be fixed by dumping the shared font @ address 0x00000000 and then
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// correctly mapping it in Citra, however we still do not understand how the mapping is determined.
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static const VAddr SHARED_FONT_VADDR = 0x18000000;
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/// Handle to shared memory region designated to for shared system font
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static Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
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static Kernel::SharedPtr<Kernel::Mutex> lock;
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static Kernel::SharedPtr<Kernel::Event> notification_event; ///< APT notification event
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static Kernel::SharedPtr<Kernel::Event> pause_event = 0; ///< APT pause event
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static std::vector<u8> shared_font;
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/// Signals used by APT functions
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enum class SignalType : u32 {
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None = 0x0,
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AppJustStarted = 0x1,
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ReturningToApp = 0xB,
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ExitingApp = 0xC,
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};
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/// App Id's used by APT functions
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enum class AppID : u32 {
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HomeMenu = 0x101,
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AlternateMenu = 0x103,
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Camera = 0x110,
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FriendsList = 0x112,
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GameNotes = 0x113,
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InternetBrowser = 0x114,
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InstructionManual = 0x115,
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Notifications = 0x116,
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Miiverse = 0x117,
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SoftwareKeyboard1 = 0x201,
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Ed = 0x202,
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PnoteApp = 0x204,
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SnoteApp = 0x205,
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Error = 0x206,
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Mint = 0x207,
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Extrapad = 0x208,
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Memolib = 0x209,
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Application = 0x300,
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SoftwareKeyboard2 = 0x401,
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};
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void Initialize(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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// TODO(bunnei): Check if these are created in Initialize or on APT process startup.
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notification_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Notification").MoveFrom();
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pause_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Pause").MoveFrom();
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cmd_buff[3] = Kernel::g_handle_table.Create(notification_event).MoveFrom();
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cmd_buff[4] = Kernel::g_handle_table.Create(pause_event).MoveFrom();
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// TODO(bunnei): Check if these events are cleared/signaled every time Initialize is called.
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notification_event->Clear();
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pause_event->Signal(); // Fire start event
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_assert_msg_(KERNEL, (nullptr != lock), "Cannot initialize without lock");
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lock->Release();
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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}
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/**
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* APT_U::NotifyToWait service function
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* Inputs:
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* 1 : AppID
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void NotifyToWait(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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// TODO(Subv): Verify this, it seems to get SWKBD and Home Menu further.
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pause_event->Signal();
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) app_id=%u", app_id);
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}
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void GetLockHandle(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 flags = cmd_buff[1]; // TODO(bunnei): Figure out the purpose of the flag field
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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// Not sure what these parameters are used for, but retail apps check that they are 0 after
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// GetLockHandle has been called.
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cmd_buff[2] = 0;
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cmd_buff[3] = 0;
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cmd_buff[4] = 0;
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cmd_buff[5] = Kernel::g_handle_table.Create(lock).MoveFrom();
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LOG_TRACE(Service_APT, "called handle=0x%08X", cmd_buff[5]);
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}
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void Enable(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 unk = cmd_buff[1]; // TODO(bunnei): What is this field used for?
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
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}
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/**
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* APT_U::GetAppletManInfo service function.
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* Inputs:
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* 1 : Unknown
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Unknown u32 value
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* 3 : Unknown u8 value
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* 4 : Home Menu AppId
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* 5 : AppID of currently active app
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*/
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void GetAppletManInfo(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 unk = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 0;
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cmd_buff[3] = 0;
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cmd_buff[4] = static_cast<u32>(AppID::HomeMenu); // Home menu AppID
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cmd_buff[5] = static_cast<u32>(AppID::Application); // TODO(purpasmart96): Do this correctly
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LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X", unk);
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}
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/**
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* APT_U::IsRegistered service function. This returns whether the specified AppID is registered with NS yet.
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* An AppID is "registered" once the process associated with the AppID uses APT:Enable. Home Menu uses this
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* command to determine when the launched process is running and to determine when to stop using GSP etc,
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* while displaying the "Nintendo 3DS" loading screen.
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* Inputs:
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* 1 : AppID
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* Outputs:
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* 0 : Return header
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Output, 0 = not registered, 1 = registered.
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*/
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void IsRegistered(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 1; // Set to registered
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LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X", app_id);
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}
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void InquireNotification(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = static_cast<u32>(SignalType::None); // Signal type
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LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X", app_id);
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}
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/**
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* APT_U::SendParameter service function. This sets the parameter data state.
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* Inputs:
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* 1 : Source AppID
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* 2 : Destination AppID
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* 3 : Signal type
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* 4 : Parameter buffer size, max size is 0x1000 (this can be zero)
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* 5 : Value
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* 6 : Handle to the destination process, likely used for shared memory (this can be zero)
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* 7 : (Size<<14) | 2
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* 8 : Input parameter buffer ptr
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* Outputs:
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* 0 : Return Header
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void SendParameter(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 src_app_id = cmd_buff[1];
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u32 dst_app_id = cmd_buff[2];
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u32 signal_type = cmd_buff[3];
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u32 buffer_size = cmd_buff[4];
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u32 value = cmd_buff[5];
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u32 handle = cmd_buff[6];
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u32 size = cmd_buff[7];
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u32 in_param_buffer_ptr = cmd_buff[8];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) called src_app_id=0x%08X, dst_app_id=0x%08X, signal_type=0x%08X,"
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"buffer_size=0x%08X, value=0x%08X, handle=0x%08X, size=0x%08X, in_param_buffer_ptr=0x%08X",
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src_app_id, dst_app_id, signal_type, buffer_size, value, handle, size, in_param_buffer_ptr);
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}
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/**
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* APT_U::ReceiveParameter service function. This returns the current parameter data from NS state,
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* from the source process which set the parameters. Once finished, NS will clear a flag in the NS
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* state so that this command will return an error if this command is used again if parameters were
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* not set again. This is called when the second Initialize event is triggered. It returns a signal
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* type indicating why it was triggered.
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* Inputs:
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* 1 : AppID
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* 2 : Parameter buffer size, max size is 0x1000
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : AppID of the process which sent these parameters
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* 3 : Signal type
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* 4 : Actual parameter buffer size, this is <= to the the input size
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* 5 : Value
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* 6 : Handle from the source process which set the parameters, likely used for shared memory
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* 7 : Size
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* 8 : Output parameter buffer ptr
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*/
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void ReceiveParameter(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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u32 buffer_size = cmd_buff[2];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 0;
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cmd_buff[3] = static_cast<u32>(SignalType::AppJustStarted); // Signal type
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cmd_buff[4] = 0x10; // Parameter buffer size (16)
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cmd_buff[5] = 0;
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cmd_buff[6] = 0;
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cmd_buff[7] = 0;
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LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X, buffer_size=0x%08X", app_id, buffer_size);
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}
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/**
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* APT_U::GlanceParameter service function. This is exactly the same as APT_U::ReceiveParameter
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* (except for the word value prior to the output handle), except this will not clear the flag
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* (except when responseword[3]==8 || responseword[3]==9) in NS state.
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* Inputs:
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* 1 : AppID
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* 2 : Parameter buffer size, max size is 0x1000
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Unknown, for now assume AppID of the process which sent these parameters
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* 3 : Unknown, for now assume Signal type
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* 4 : Actual parameter buffer size, this is <= to the the input size
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* 5 : Value
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* 6 : Handle from the source process which set the parameters, likely used for shared memory
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* 7 : Size
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* 8 : Output parameter buffer ptr
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*/
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void GlanceParameter(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 app_id = cmd_buff[1];
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u32 buffer_size = cmd_buff[2];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 0;
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cmd_buff[3] = static_cast<u32>(SignalType::AppJustStarted); // Signal type
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cmd_buff[4] = 0x10; // Parameter buffer size (16)
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cmd_buff[5] = 0;
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cmd_buff[6] = 0;
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cmd_buff[7] = 0;
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LOG_WARNING(Service_APT, "(STUBBED) called app_id=0x%08X, buffer_size=0x%08X", app_id, buffer_size);
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}
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/**
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* APT_U::CancelParameter service function. When the parameter data is available, and when the above
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* specified fields match the ones in NS state(for the ones where the checks are enabled), this
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* clears the flag which indicates that parameter data is available
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* (same flag cleared by APT:ReceiveParameter).
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* Inputs:
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* 1 : Flag, when non-zero NS will compare the word after this one with a field in the NS state.
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* 2 : Unknown, this is the same as the first unknown field returned by APT:ReceiveParameter.
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* 3 : Flag, when non-zero NS will compare the word after this one with a field in the NS state.
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* 4 : AppID
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* Outputs:
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* 0 : Return header
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Status flag, 0 = failure due to no parameter data being available, or the above enabled
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* fields don't match the fields in NS state. 1 = success.
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*/
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void CancelParameter(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 flag1 = cmd_buff[1];
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u32 unk = cmd_buff[2];
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u32 flag2 = cmd_buff[3];
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u32 app_id = cmd_buff[4];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 1; // Set to Success
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LOG_WARNING(Service_APT, "(STUBBED) called flag1=0x%08X, unk=0x%08X, flag2=0x%08X, app_id=0x%08X",
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flag1, unk, flag2, app_id);
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}
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/**
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* APT_U::AppletUtility service function
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* Inputs:
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* 1 : Unknown, but clearly used for something
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* 2 : Buffer 1 size (purpose is unknown)
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* 3 : Buffer 2 size (purpose is unknown)
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* 5 : Buffer 1 address (purpose is unknown)
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* 65 : Buffer 2 address (purpose is unknown)
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void AppletUtility(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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// These are from 3dbrew - I'm not really sure what they're used for.
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u32 unk = cmd_buff[1];
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u32 buffer1_size = cmd_buff[2];
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u32 buffer2_size = cmd_buff[3];
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u32 buffer1_addr = cmd_buff[5];
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u32 buffer2_addr = cmd_buff[65];
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) called unk=0x%08X, buffer1_size=0x%08x, buffer2_size=0x%08x, "
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"buffer1_addr=0x%08x, buffer2_addr=0x%08x", unk, buffer1_size, buffer2_size,
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buffer1_addr, buffer2_addr);
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}
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/**
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* APT_U::GetSharedFont service function
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : Virtual address of where shared font will be loaded in memory
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* 4 : Handle to shared font memory
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*/
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void GetSharedFont(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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if (!shared_font.empty()) {
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// TODO(bunnei): This function shouldn't copy the shared font every time it's called.
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// Instead, it should probably map the shared font as RO memory. We don't currently have
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// an easy way to do this, but the copy should be sufficient for now.
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memcpy(Memory::GetPointer(SHARED_FONT_VADDR), shared_font.data(), shared_font.size());
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cmd_buff[0] = 0x00440082;
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = SHARED_FONT_VADDR;
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cmd_buff[4] = Kernel::g_handle_table.Create(shared_font_mem).MoveFrom();
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} else {
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cmd_buff[1] = -1; // Generic error (not really possible to verify this on hardware)
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LOG_ERROR(Kernel_SVC, "called, but %s has not been loaded!", SHARED_FONT);
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}
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}
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/**
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* APT_U::SetAppCpuTimeLimit service function
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* Inputs:
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* 1 : Value, must be one
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* 2 : Percentage of CPU time from 5 to 80
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* Outputs:
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* 1 : Result of function, 0 on success, otherwise error code
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*/
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void SetAppCpuTimeLimit(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 value = cmd_buff[1];
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u32 percent = cmd_buff[2];
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if (value != 1) {
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LOG_ERROR(Service_APT, "This value should be one, but is actually %u!", value);
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}
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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LOG_WARNING(Service_APT, "(STUBBED) called percent=0x%08X, value=0x%08x", percent, value);
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}
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/**
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* APT_U::GetAppCpuTimeLimit service function
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* Inputs:
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* 1 : Value, must be one
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* Outputs:
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* 0 : Return header
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* 1 : Result of function, 0 on success, otherwise error code
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* 2 : System core CPU time percentage
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*/
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void GetAppCpuTimeLimit(Service::Interface* self) {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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u32 value = cmd_buff[1];
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if (value != 1) {
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LOG_ERROR(Service_APT, "This value should be one, but is actually %u!", value);
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}
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// TODO(purpasmart96): This is incorrect, I'm pretty sure the percentage should
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// be set by the application.
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cmd_buff[1] = RESULT_SUCCESS.raw; // No error
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cmd_buff[2] = 0x80; // Set to 80%
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LOG_WARNING(Service_APT, "(STUBBED) called value=0x%08x", value);
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}
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const Interface::FunctionInfo FunctionTable[] = {
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{0x00010040, GetLockHandle, "GetLockHandle"},
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{0x00020080, Initialize, "Initialize"},
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{0x00030040, Enable, "Enable"},
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{0x00040040, nullptr, "Finalize"},
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{0x00050040, GetAppletManInfo, "GetAppletManInfo"},
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{0x00060040, nullptr, "GetAppletInfo"},
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{0x00070000, nullptr, "GetLastSignaledAppletId"},
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{0x00080000, nullptr, "CountRegisteredApplet"},
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{0x00090040, IsRegistered, "IsRegistered"},
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{0x000A0040, nullptr, "GetAttribute"},
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{0x000B0040, InquireNotification, "InquireNotification"},
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{0x000C0104, SendParameter, "SendParameter"},
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{0x000D0080, ReceiveParameter, "ReceiveParameter"},
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{0x000E0080, GlanceParameter, "GlanceParameter"},
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{0x000F0100, CancelParameter, "CancelParameter"},
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{0x001000C2, nullptr, "DebugFunc"},
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{0x001100C0, nullptr, "MapProgramIdForDebug"},
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{0x00120040, nullptr, "SetHomeMenuAppletIdForDebug"},
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{0x00130000, nullptr, "GetPreparationState"},
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{0x00140040, nullptr, "SetPreparationState"},
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{0x00150140, nullptr, "PrepareToStartApplication"},
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{0x00160040, nullptr, "PreloadLibraryApplet"},
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{0x00170040, nullptr, "FinishPreloadingLibraryApplet"},
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{0x00180040, nullptr, "PrepareToStartLibraryApplet"},
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{0x00190040, nullptr, "PrepareToStartSystemApplet"},
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{0x001A0000, nullptr, "PrepareToStartNewestHomeMenu"},
|
|
{0x001B00C4, nullptr, "StartApplication"},
|
|
{0x001C0000, nullptr, "WakeupApplication"},
|
|
{0x001D0000, nullptr, "CancelApplication"},
|
|
{0x001E0084, nullptr, "StartLibraryApplet"},
|
|
{0x001F0084, nullptr, "StartSystemApplet"},
|
|
{0x00200044, nullptr, "StartNewestHomeMenu"},
|
|
{0x00210000, nullptr, "OrderToCloseApplication"},
|
|
{0x00220040, nullptr, "PrepareToCloseApplication"},
|
|
{0x00230040, nullptr, "PrepareToJumpToApplication"},
|
|
{0x00240044, nullptr, "JumpToApplication"},
|
|
{0x002500C0, nullptr, "PrepareToCloseLibraryApplet"},
|
|
{0x00260000, nullptr, "PrepareToCloseSystemApplet"},
|
|
{0x00270044, nullptr, "CloseApplication"},
|
|
{0x00280044, nullptr, "CloseLibraryApplet"},
|
|
{0x00290044, nullptr, "CloseSystemApplet"},
|
|
{0x002A0000, nullptr, "OrderToCloseSystemApplet"},
|
|
{0x002B0000, nullptr, "PrepareToJumpToHomeMenu"},
|
|
{0x002C0044, nullptr, "JumpToHomeMenu"},
|
|
{0x002D0000, nullptr, "PrepareToLeaveHomeMenu"},
|
|
{0x002E0044, nullptr, "LeaveHomeMenu"},
|
|
{0x002F0040, nullptr, "PrepareToLeaveResidentApplet"},
|
|
{0x00300044, nullptr, "LeaveResidentApplet"},
|
|
{0x00310100, nullptr, "PrepareToDoApplicationJump"},
|
|
{0x00320084, nullptr, "DoApplicationJump"},
|
|
{0x00330000, nullptr, "GetProgramIdOnApplicationJump"},
|
|
{0x00340084, nullptr, "SendDeliverArg"},
|
|
{0x00350080, nullptr, "ReceiveDeliverArg"},
|
|
{0x00360040, nullptr, "LoadSysMenuArg"},
|
|
{0x00370042, nullptr, "StoreSysMenuArg"},
|
|
{0x00380040, nullptr, "PreloadResidentApplet"},
|
|
{0x00390040, nullptr, "PrepareToStartResidentApplet"},
|
|
{0x003A0044, nullptr, "StartResidentApplet"},
|
|
{0x003B0040, nullptr, "CancelLibraryApplet"},
|
|
{0x003C0042, nullptr, "SendDspSleep"},
|
|
{0x003D0042, nullptr, "SendDspWakeUp"},
|
|
{0x003E0080, nullptr, "ReplySleepQuery"},
|
|
{0x003F0040, nullptr, "ReplySleepNotificationComplete"},
|
|
{0x00400042, nullptr, "SendCaptureBufferInfo"},
|
|
{0x00410040, nullptr, "ReceiveCaptureBufferInfo"},
|
|
{0x00420080, nullptr, "SleepSystem"},
|
|
{0x00430040, NotifyToWait, "NotifyToWait"},
|
|
{0x00440000, GetSharedFont, "GetSharedFont"},
|
|
{0x00450040, nullptr, "GetWirelessRebootInfo"},
|
|
{0x00460104, nullptr, "Wrap"},
|
|
{0x00470104, nullptr, "Unwrap"},
|
|
{0x00480100, nullptr, "GetProgramInfo"},
|
|
{0x00490180, nullptr, "Reboot"},
|
|
{0x004A0040, nullptr, "GetCaptureInfo"},
|
|
{0x004B00C2, AppletUtility, "AppletUtility"},
|
|
{0x004C0000, nullptr, "SetFatalErrDispMode"},
|
|
{0x004D0080, nullptr, "GetAppletProgramInfo"},
|
|
{0x004E0000, nullptr, "HardwareResetAsync"},
|
|
{0x004F0080, SetAppCpuTimeLimit, "SetAppCpuTimeLimit"},
|
|
{0x00500040, GetAppCpuTimeLimit, "GetAppCpuTimeLimit"},
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Interface class
|
|
|
|
Interface::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").MoveFrom();
|
|
} 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").MoveFrom();
|
|
|
|
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
|
|
}
|
|
|
|
} // namespace
|