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// Copyright 2015 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/common_paths.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/hle/applets/applet.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/service/fs/archive.h"
#include "core/hle/kernel/event.h"
#include "core/hle/kernel/mutex.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/shared_memory.h"
namespace Service {
namespace APT {
/// BCFNT Shared Font file structures
namespace BCFNT {
struct CFNT {
u8 magic[4];
u16_le endianness;
u16_le header_size;
u32_le version;
u32_le file_size;
u32_le num_blocks;
};
struct FINF {
u8 magic[4];
u32_le section_size;
u8 font_type;
u8 line_feed;
u16_le alter_char_index;
u8 default_width[3];
u8 encoding;
u32_le tglp_offset;
u32_le cwdh_offset;
u32_le cmap_offset;
u8 height;
u8 width;
u8 ascent;
u8 reserved;
};
struct TGLP {
u8 magic[4];
u32_le section_size;
u8 cell_width;
u8 cell_height;
u8 baseline_position;
u8 max_character_width;
u32_le sheet_size;
u16_le num_sheets;
u16_le sheet_image_format;
u16_le num_columns;
u16_le num_rows;
u16_le sheet_width;
u16_le sheet_height;
u32_le sheet_data_offset;
};
struct CMAP {
u8 magic[4];
u32_le section_size;
u16_le code_begin;
u16_le code_end;
u16_le mapping_method;
u16_le reserved;
u32_le next_cmap_offset;
};
struct CWDH {
u8 magic[4];
u32_le section_size;
u16_le start_index;
u16_le end_index;
u32_le next_cwdh_offset;
};
}
/// Handle to shared memory region designated to for shared system font
static Kernel::SharedPtr<Kernel::SharedMemory> shared_font_mem;
static bool shared_font_relocated = false;
static Kernel::SharedPtr<Kernel::Mutex> lock;
static Kernel::SharedPtr<Kernel::Event> notification_event; ///< APT notification event
static Kernel::SharedPtr<Kernel::Event> parameter_event; ///< APT parameter event
static u32 cpu_percent; ///< CPU time available to the running application
/// Parameter data to be returned in the next call to Glance/ReceiveParameter
static MessageParameter next_parameter;
void SendParameter(const MessageParameter& parameter) {
next_parameter = parameter;
// Signal the event to let the application know that a new parameter is ready to be read
parameter_event->Signal();
}
void Initialize(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 app_id = cmd_buff[1];
u32 flags = cmd_buff[2];
cmd_buff[2] = IPC::MoveHandleDesc(2);
cmd_buff[3] = Kernel::g_handle_table.Create(notification_event).MoveFrom();
cmd_buff[4] = Kernel::g_handle_table.Create(parameter_event).MoveFrom();
// TODO(bunnei): Check if these events are cleared every time Initialize is called.
notification_event->Clear();
parameter_event->Clear();
ASSERT_MSG((nullptr != lock), "Cannot initialize without lock");
lock->Release();
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_DEBUG(Service_APT, "called app_id=0x%08X, flags=0x%08X", app_id, flags);
}
void GetSharedFont(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
// The shared font has to be relocated to the new address before being passed to the application.
VAddr target_address = Memory::PhysicalToVirtualAddress(shared_font_mem->linear_heap_phys_address);
// The shared font dumped by 3dsutils (https://github.com/citra-emu/3dsutils) uses this address as base,
// so we relocate it from there to our real address.
static const VAddr SHARED_FONT_VADDR = 0x18000000;
if (!shared_font_relocated)
RelocateSharedFont(SHARED_FONT_VADDR, target_address);
cmd_buff[0] = IPC::MakeHeader(0x44, 2, 2);
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
// Since the SharedMemory interface doesn't provide the address at which the memory was allocated,
// the real APT service calculates this address by scanning the entire address space (using svcQueryMemory)
// and searches for an allocation of the same size as the Shared Font.
cmd_buff[2] = target_address;
cmd_buff[3] = IPC::MoveHandleDesc();
cmd_buff[4] = Kernel::g_handle_table.Create(shared_font_mem).MoveFrom();
}
void NotifyToWait(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 app_id = cmd_buff[1];
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();
// Bits [0:2] are the applet type (System, Library, etc)
// Bit 5 tells the application that there's a pending APT parameter,
// this will cause the app to wait until parameter_event is signaled.
u32 applet_attributes = cmd_buff[1];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = applet_attributes; // Applet Attributes, this value is passed to Enable.
cmd_buff[3] = 0; // Least significant bit = power button state
cmd_buff[4] = IPC::CopyHandleDesc();
cmd_buff[5] = Kernel::g_handle_table.Create(lock).MoveFrom();
LOG_WARNING(Service_APT, "(STUBBED) called handle=0x%08X applet_attributes=0x%08X", cmd_buff[5], applet_attributes);
}
void Enable(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 attributes = cmd_buff[1];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
parameter_event->Signal(); // Let the application know that it has been started
LOG_WARNING(Service_APT, "(STUBBED) called attributes=0x%08X", attributes);
}
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>(AppletId::HomeMenu); // Home menu AppID
cmd_buff[5] = static_cast<u32>(AppletId::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
// TODO(Subv): An application is considered "registered" if it has already called APT::Enable
// handle this properly once we implement multiprocess support.
cmd_buff[2] = 0; // Set to not registered by default
if (app_id == static_cast<u32>(AppletId::AnyLibraryApplet)) {
cmd_buff[2] = HLE::Applets::IsLibraryAppletRunning() ? 1 : 0;
} else if (auto applet = HLE::Applets::Applet::Get(static_cast<AppletId>(app_id))) {
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 buffer = cmd_buff[8];
std::shared_ptr<HLE::Applets::Applet> dest_applet = HLE::Applets::Applet::Get(static_cast<AppletId>(dst_app_id));
if (dest_applet == nullptr) {
LOG_ERROR(Service_APT, "Unknown applet id=0x%08X", dst_app_id);
cmd_buff[1] = -1; // TODO(Subv): Find the right error code
return;
}
MessageParameter param;
param.buffer_size = buffer_size;
param.destination_id = dst_app_id;
param.sender_id = src_app_id;
param.object = Kernel::g_handle_table.GetGeneric(handle);
param.signal = signal_type;
param.data = Memory::GetPointer(buffer);
cmd_buff[1] = dest_applet->ReceiveParameter(param).raw;
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, buffer);
}
void ReceiveParameter(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 app_id = cmd_buff[1];
u32 buffer_size = cmd_buff[2];
VAddr buffer = cmd_buff[0x104 >> 2];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = next_parameter.sender_id;
cmd_buff[3] = next_parameter.signal; // Signal type
cmd_buff[4] = next_parameter.buffer_size; // Parameter buffer size
cmd_buff[5] = 0x10;
cmd_buff[6] = 0;
if (next_parameter.object != nullptr)
cmd_buff[6] = Kernel::g_handle_table.Create(next_parameter.object).MoveFrom();
cmd_buff[7] = (next_parameter.buffer_size << 14) | 2;
cmd_buff[8] = buffer;
if (next_parameter.data)
memcpy(Memory::GetPointer(buffer), next_parameter.data, std::min(buffer_size, next_parameter.buffer_size));
LOG_WARNING(Service_APT, "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];
VAddr buffer = cmd_buff[0x104 >> 2];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = next_parameter.sender_id;
cmd_buff[3] = next_parameter.signal; // Signal type
cmd_buff[4] = next_parameter.buffer_size; // Parameter buffer size
cmd_buff[5] = 0x10;
cmd_buff[6] = 0;
if (next_parameter.object != nullptr)
cmd_buff[6] = Kernel::g_handle_table.Create(next_parameter.object).MoveFrom();
cmd_buff[7] = (next_parameter.buffer_size << 14) | 2;
cmd_buff[8] = buffer;
if (next_parameter.data)
memcpy(Memory::GetPointer(buffer), next_parameter.data, std::min(buffer_size, next_parameter.buffer_size));
LOG_WARNING(Service_APT, "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 PrepareToStartApplication(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 title_info1 = cmd_buff[1];
u32 title_info2 = cmd_buff[2];
u32 title_info3 = cmd_buff[3];
u32 title_info4 = cmd_buff[4];
u32 flags = cmd_buff[5];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_APT, "(STUBBED) called title_info1=0x%08X, title_info2=0x%08X, title_info3=0x%08X,"
"title_info4=0x%08X, flags=0x%08X", title_info1, title_info2, title_info3, title_info4, flags);
}
void StartApplication(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 buffer1_size = cmd_buff[1];
u32 buffer2_size = cmd_buff[2];
u32 flag = cmd_buff[3];
u32 size1 = cmd_buff[4];
u32 buffer1_ptr = cmd_buff[5];
u32 size2 = cmd_buff[6];
u32 buffer2_ptr = cmd_buff[7];
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_WARNING(Service_APT, "(STUBBED) called buffer1_size=0x%08X, buffer2_size=0x%08X, flag=0x%08X,"
"size1=0x%08X, buffer1_ptr=0x%08X, size2=0x%08X, buffer2_ptr=0x%08X",
buffer1_size, buffer2_size, flag, size1, buffer1_ptr, size2, buffer2_ptr);
}
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 command = 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 command=0x%08X, buffer1_size=0x%08X, buffer2_size=0x%08X, "
"buffer1_addr=0x%08X, buffer2_addr=0x%08X", command, buffer1_size, buffer2_size,
buffer1_addr, buffer2_addr);
}
void SetAppCpuTimeLimit(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 value = cmd_buff[1];
cpu_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 cpu_percent=%u, value=%u", cpu_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);
}
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
cmd_buff[2] = cpu_percent;
LOG_WARNING(Service_APT, "(STUBBED) called value=%u", value);
}
void PrepareToStartLibraryApplet(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
AppletId applet_id = static_cast<AppletId>(cmd_buff[1]);
auto applet = HLE::Applets::Applet::Get(applet_id);
if (applet) {
LOG_WARNING(Service_APT, "applet has already been started id=%08X", applet_id);
cmd_buff[1] = RESULT_SUCCESS.raw;
} else {
cmd_buff[1] = HLE::Applets::Applet::Create(applet_id).raw;
}
LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
}
void PreloadLibraryApplet(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
AppletId applet_id = static_cast<AppletId>(cmd_buff[1]);
auto applet = HLE::Applets::Applet::Get(applet_id);
if (applet) {
LOG_WARNING(Service_APT, "applet has already been started id=%08X", applet_id);
cmd_buff[1] = RESULT_SUCCESS.raw;
} else {
cmd_buff[1] = HLE::Applets::Applet::Create(applet_id).raw;
}
LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
}
void StartLibraryApplet(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
AppletId applet_id = static_cast<AppletId>(cmd_buff[1]);
std::shared_ptr<HLE::Applets::Applet> applet = HLE::Applets::Applet::Get(applet_id);
LOG_DEBUG(Service_APT, "called applet_id=%08X", applet_id);
if (applet == nullptr) {
LOG_ERROR(Service_APT, "unknown applet id=%08X", applet_id);
cmd_buff[1] = -1; // TODO(Subv): Find the right error code
return;
}
AppletStartupParameter parameter;
parameter.buffer_size = cmd_buff[2];
parameter.object = Kernel::g_handle_table.GetGeneric(cmd_buff[4]);
parameter.data = Memory::GetPointer(cmd_buff[6]);
cmd_buff[1] = applet->Start(parameter).raw;
}
void GetAppletInfo(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
auto app_id = static_cast<AppletId>(cmd_buff[1]);
if (auto applet = HLE::Applets::Applet::Get(app_id)) {
// TODO(Subv): Get the title id for the current applet and write it in the response[2-3]
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[4] = static_cast<u32>(Service::FS::MediaType::NAND);
cmd_buff[5] = 1; // Registered
cmd_buff[6] = 1; // Loaded
cmd_buff[7] = 0; // Applet Attributes
} else {
cmd_buff[1] = ResultCode(ErrorDescription::NotFound, ErrorModule::Applet,
ErrorSummary::NotFound, ErrorLevel::Status).raw;
}
LOG_WARNING(Service_APT, "(stubbed) called appid=%u", app_id);
}
void GetStartupArgument(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 parameter_size = cmd_buff[1];
StartupArgumentType startup_argument_type = static_cast<StartupArgumentType>(cmd_buff[2]);
if (parameter_size >= 0x300) {
LOG_ERROR(Service_APT, "Parameter size is outside the valid range (capped to 0x300): parameter_size=0x%08x", parameter_size);
return;
}
LOG_WARNING(Service_APT,"(stubbed) called startup_argument_type=%u , parameter_size=0x%08x , parameter_value=0x%08x",
startup_argument_type, parameter_size, Memory::Read32(cmd_buff[41]));
cmd_buff[1] = RESULT_SUCCESS.raw;
cmd_buff[2] = (parameter_size > 0) ? 1 : 0;
}
void Init() {
AddService(new APT_A_Interface);
AddService(new APT_S_Interface);
AddService(new APT_U_Interface);
HLE::Applets::Init();
// 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.
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()) {
// Create shared font memory object
using Kernel::MemoryPermission;
shared_font_mem = Kernel::SharedMemory::Create(nullptr, 0x332000, // 3272 KB
MemoryPermission::ReadWrite, MemoryPermission::Read, 0, Kernel::MemoryRegion::SYSTEM, "APT:SharedFont");
// Read shared font data
file.ReadBytes(shared_font_mem->GetPointer(), file.GetSize());
} 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");
cpu_percent = 0;
// TODO(bunnei): Check if these are created in Initialize or on APT process startup.
notification_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "APT_U:Notification");
parameter_event = Kernel::Event::Create(Kernel::ResetType::OneShot, "APT_U:Start");
next_parameter.signal = static_cast<u32>(SignalType::AppJustStarted);
next_parameter.destination_id = 0x300;
}
void Shutdown() {
shared_font_mem = nullptr;
shared_font_relocated = false;
lock = nullptr;
notification_event = nullptr;
parameter_event = nullptr;
next_parameter.object = nullptr;
HLE::Applets::Shutdown();
}
} // namespace APT
} // namespace Service
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