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suyu/src/core/hle/service/apt/apt.cpp

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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/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> start_event; ///< APT start event
static std::vector<u8> shared_font;
static u32 cpu_percent; ///< CPU time available to the running application
void Initialize(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 app_id = cmd_buff[1];
u32 flags = cmd_buff[2];
cmd_buff[2] = 0x04000000; // According to 3dbrew, this value should be 0x04000000
cmd_buff[3] = Kernel::g_handle_table.Create(notification_event).MoveFrom();
cmd_buff[4] = Kernel::g_handle_table.Create(start_event).MoveFrom();
// TODO(bunnei): Check if these events are cleared every time Initialize is called.
notification_event->Clear();
start_event->Clear();
ASSERT_MSG((nullptr != lock), "Cannot initialize without lock");
lock->Release();
cmd_buff[1] = RESULT_SUCCESS.raw; // No error
LOG_TRACE(Service_APT, "called app_id=0x%08X, flags=0x%08X", app_id, flags);
}
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.
start_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 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 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];
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];
ASSERT(cpu_percent != 0);
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 Init() {
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");
cpu_percent = 0;
// TODO(bunnei): Check if these are created in Initialize or on APT process startup.
notification_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Notification");
start_event = Kernel::Event::Create(RESETTYPE_ONESHOT, "APT_U:Start");
}
void Shutdown() {
shared_font.clear();
shared_font_mem = nullptr;
lock = nullptr;
notification_event = nullptr;
start_event = nullptr;
}
} // namespace APT
} // namespace Service
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