362 lines
12 KiB
C++
362 lines
12 KiB
C++
// Copyright 2018 yuzu emulator team
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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 <atomic>
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#include "common/logging/log.h"
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#include "core/core.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/readable_event.h"
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#include "core/hle/kernel/thread.h"
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#include "core/hle/kernel/writable_event.h"
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#include "core/hle/lock.h"
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#include "core/hle/service/nfp/nfp.h"
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#include "core/hle/service/nfp/nfp_user.h"
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namespace Service::NFP {
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namespace ErrCodes {
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constexpr ResultCode ERR_TAG_FAILED(ErrorModule::NFP,
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-1); // TODO(ogniK): Find the actual error code
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}
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Module::Interface::Interface(std::shared_ptr<Module> module, const char* name)
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: ServiceFramework(name), module(std::move(module)) {
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auto& kernel = Core::System::GetInstance().Kernel();
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nfc_tag_load = Kernel::WritableEvent::CreateEventPair(kernel, Kernel::ResetType::OneShot,
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"IUser:NFCTagDetected");
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}
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Module::Interface::~Interface() = default;
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class IUser final : public ServiceFramework<IUser> {
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public:
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IUser(Module::Interface& nfp_interface)
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: ServiceFramework("NFP::IUser"), nfp_interface(nfp_interface) {
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static const FunctionInfo functions[] = {
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{0, &IUser::Initialize, "Initialize"},
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{1, &IUser::Finalize, "Finalize"},
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{2, &IUser::ListDevices, "ListDevices"},
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{3, &IUser::StartDetection, "StartDetection"},
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{4, &IUser::StopDetection, "StopDetection"},
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{5, &IUser::Mount, "Mount"},
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{6, &IUser::Unmount, "Unmount"},
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{7, &IUser::OpenApplicationArea, "OpenApplicationArea"},
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{8, &IUser::GetApplicationArea, "GetApplicationArea"},
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{9, nullptr, "SetApplicationArea"},
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{10, nullptr, "Flush"},
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{11, nullptr, "Restore"},
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{12, nullptr, "CreateApplicationArea"},
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{13, &IUser::GetTagInfo, "GetTagInfo"},
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{14, &IUser::GetRegisterInfo, "GetRegisterInfo"},
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{15, &IUser::GetCommonInfo, "GetCommonInfo"},
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{16, &IUser::GetModelInfo, "GetModelInfo"},
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{17, &IUser::AttachActivateEvent, "AttachActivateEvent"},
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{18, &IUser::AttachDeactivateEvent, "AttachDeactivateEvent"},
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{19, &IUser::GetState, "GetState"},
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{20, &IUser::GetDeviceState, "GetDeviceState"},
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{21, &IUser::GetNpadId, "GetNpadId"},
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{22, &IUser::GetApplicationAreaSize, "GetApplicationAreaSize"},
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{23, &IUser::AttachAvailabilityChangeEvent, "AttachAvailabilityChangeEvent"},
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{24, nullptr, "RecreateApplicationArea"},
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};
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RegisterHandlers(functions);
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auto& kernel = Core::System::GetInstance().Kernel();
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deactivate_event = Kernel::WritableEvent::CreateEventPair(
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kernel, Kernel::ResetType::OneShot, "IUser:DeactivateEvent");
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availability_change_event = Kernel::WritableEvent::CreateEventPair(
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kernel, Kernel::ResetType::OneShot, "IUser:AvailabilityChangeEvent");
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}
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private:
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struct TagInfo {
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std::array<u8, 10> uuid;
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u8 uuid_length; // TODO(ogniK): Figure out if this is actual the uuid length or does it
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// mean something else
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INSERT_PADDING_BYTES(0x15);
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u32_le protocol;
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u32_le tag_type;
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INSERT_PADDING_BYTES(0x2c);
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};
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static_assert(sizeof(TagInfo) == 0x54, "TagInfo is an invalid size");
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enum class State : u32 {
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NonInitialized = 0,
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Initialized = 1,
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};
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enum class DeviceState : u32 {
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Initialized = 0,
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SearchingForTag = 1,
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TagFound = 2,
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TagRemoved = 3,
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TagNearby = 4,
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Unknown5 = 5,
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Finalized = 6
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};
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struct CommonInfo {
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u16_be last_write_year;
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u8 last_write_month;
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u8 last_write_day;
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u16_be write_counter;
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u16_be version;
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u32_be application_area_size;
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INSERT_PADDING_BYTES(0x34);
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};
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static_assert(sizeof(CommonInfo) == 0x40, "CommonInfo is an invalid size");
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void Initialize(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFC, "called");
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IPC::ResponseBuilder rb{ctx, 2, 0};
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rb.Push(RESULT_SUCCESS);
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state = State::Initialized;
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}
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void GetState(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFC, "called");
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IPC::ResponseBuilder rb{ctx, 3, 0};
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rb.Push(RESULT_SUCCESS);
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rb.PushRaw<u32>(static_cast<u32>(state));
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}
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void ListDevices(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u32 array_size = rp.Pop<u32>();
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LOG_DEBUG(Service_NFP, "called, array_size={}", array_size);
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ctx.WriteBuffer(&device_handle, sizeof(device_handle));
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(1);
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}
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void GetNpadId(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 dev_handle = rp.Pop<u64>();
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LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(npad_id);
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}
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void AttachActivateEvent(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 dev_handle = rp.Pop<u64>();
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LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
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IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushCopyObjects(nfp_interface.GetNFCEvent());
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has_attached_handle = true;
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}
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void AttachDeactivateEvent(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 dev_handle = rp.Pop<u64>();
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LOG_DEBUG(Service_NFP, "called, dev_handle=0x{:X}", dev_handle);
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IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushCopyObjects(deactivate_event.readable);
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}
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void StopDetection(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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switch (device_state) {
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case DeviceState::TagFound:
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case DeviceState::TagNearby:
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deactivate_event.writable->Signal();
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device_state = DeviceState::Initialized;
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break;
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case DeviceState::SearchingForTag:
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case DeviceState::TagRemoved:
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device_state = DeviceState::Initialized;
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break;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetDeviceState(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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auto nfc_event = nfp_interface.GetNFCEvent();
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if (!nfc_event->ShouldWait(Kernel::GetCurrentThread()) && !has_attached_handle) {
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device_state = DeviceState::TagFound;
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nfc_event->Clear();
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}
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u32>(static_cast<u32>(device_state));
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}
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void StartDetection(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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if (device_state == DeviceState::Initialized || device_state == DeviceState::TagRemoved) {
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device_state = DeviceState::SearchingForTag;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetTagInfo(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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IPC::ResponseBuilder rb{ctx, 2};
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auto amiibo = nfp_interface.GetAmiiboBuffer();
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TagInfo tag_info{};
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tag_info.uuid = amiibo.uuid;
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tag_info.uuid_length = static_cast<u8>(tag_info.uuid.size());
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tag_info.protocol = 1; // TODO(ogniK): Figure out actual values
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tag_info.tag_type = 2;
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ctx.WriteBuffer(&tag_info, sizeof(TagInfo));
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rb.Push(RESULT_SUCCESS);
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}
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void Mount(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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device_state = DeviceState::TagNearby;
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetModelInfo(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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IPC::ResponseBuilder rb{ctx, 2};
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auto amiibo = nfp_interface.GetAmiiboBuffer();
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ctx.WriteBuffer(&amiibo.model_info, sizeof(amiibo.model_info));
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rb.Push(RESULT_SUCCESS);
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}
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void Unmount(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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device_state = DeviceState::TagFound;
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void Finalize(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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device_state = DeviceState::Finalized;
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void AttachAvailabilityChangeEvent(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_NFP, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushCopyObjects(availability_change_event.readable);
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}
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void GetRegisterInfo(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_NFP, "(STUBBED) called");
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// TODO(ogniK): Pull Mii and owner data from amiibo
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetCommonInfo(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_NFP, "(STUBBED) called");
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// TODO(ogniK): Pull common information from amiibo
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CommonInfo common_info{};
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common_info.application_area_size = 0;
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ctx.WriteBuffer(&common_info, sizeof(CommonInfo));
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void OpenApplicationArea(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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// We don't need to worry about this since we can just open the file
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetApplicationAreaSize(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_NFP, "(STUBBED) called");
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// We don't need to worry about this since we can just open the file
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.PushRaw<u32>(0); // This is from the GetCommonInfo stub
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}
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void GetApplicationArea(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_NFP, "(STUBBED) called");
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// TODO(ogniK): Pull application area from amiibo
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IPC::ResponseBuilder rb{ctx, 3};
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rb.Push(RESULT_SUCCESS);
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rb.PushRaw<u32>(0); // This is from the GetCommonInfo stub
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}
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bool has_attached_handle{};
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const u64 device_handle{0}; // Npad device 1
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const u32 npad_id{0}; // Player 1 controller
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State state{State::NonInitialized};
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DeviceState device_state{DeviceState::Initialized};
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Kernel::EventPair deactivate_event;
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Kernel::EventPair availability_change_event;
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const Module::Interface& nfp_interface;
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};
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void Module::Interface::CreateUserInterface(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_NFP, "called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IUser>(*this);
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}
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bool Module::Interface::LoadAmiibo(const std::vector<u8>& buffer) {
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std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
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if (buffer.size() < sizeof(AmiiboFile)) {
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return false;
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}
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std::memcpy(&amiibo, buffer.data(), sizeof(amiibo));
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nfc_tag_load.writable->Signal();
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return true;
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}
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const Kernel::SharedPtr<Kernel::ReadableEvent>& Module::Interface::GetNFCEvent() const {
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return nfc_tag_load.readable;
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}
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const Module::Interface::AmiiboFile& Module::Interface::GetAmiiboBuffer() const {
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return amiibo;
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}
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void InstallInterfaces(SM::ServiceManager& service_manager) {
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auto module = std::make_shared<Module>();
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std::make_shared<NFP_User>(module)->InstallAsService(service_manager);
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}
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} // namespace Service::NFP
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