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path: root/src/core/hle/service/sm/controller.cpp
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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include "common/assert.h"
#include "common/logging/log.h"
#include "core/core.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_client_session.h"
#include "core/hle/kernel/k_port.h"
#include "core/hle/kernel/k_scoped_resource_reservation.h"
#include "core/hle/kernel/k_server_port.h"
#include "core/hle/kernel/k_server_session.h"
#include "core/hle/kernel/k_session.h"
#include "core/hle/service/sm/controller.h"

namespace Service::SM {

void Controller::ConvertCurrentObjectToDomain(Kernel::HLERequestContext& ctx) {
    ASSERT_MSG(!ctx.Session()->IsDomain(), "Session is already a domain");
    LOG_DEBUG(Service, "called, server_session={}", ctx.Session()->GetId());
    ctx.Session()->ConvertToDomain();

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(ResultSuccess);
    rb.Push<u32>(1); // Converted sessions start with 1 request handler
}

void Controller::CloneCurrentObject(Kernel::HLERequestContext& ctx) {
    LOG_DEBUG(Service, "called");

    auto& parent_session = *ctx.Session()->GetParent();
    auto& parent_port = parent_session.GetParent()->GetParent()->GetClientPort();
    auto& session_manager = parent_session.GetServerSession().GetSessionRequestManager();

    // Create a session.
    Kernel::KClientSession* session{};
    const ResultCode result = parent_port.CreateSession(std::addressof(session), session_manager);
    if (result.IsError()) {
        LOG_CRITICAL(Service, "CreateSession failed with error 0x{:08X}", result.raw);
        IPC::ResponseBuilder rb{ctx, 2};
        rb.Push(result);
    }

    // We succeeded.
    IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
    rb.Push(ResultSuccess);
    rb.PushMoveObjects(session);
}

void Controller::CloneCurrentObjectEx(Kernel::HLERequestContext& ctx) {
    LOG_DEBUG(Service, "called");

    CloneCurrentObject(ctx);
}

void Controller::QueryPointerBufferSize(Kernel::HLERequestContext& ctx) {
    LOG_WARNING(Service, "(STUBBED) called");

    IPC::ResponseBuilder rb{ctx, 3};
    rb.Push(ResultSuccess);
    rb.Push<u16>(0x8000);
}

// https://switchbrew.org/wiki/IPC_Marshalling
Controller::Controller(Core::System& system_) : ServiceFramework{system_, "IpcController"} {
    static const FunctionInfo functions[] = {
        {0, &Controller::ConvertCurrentObjectToDomain, "ConvertCurrentObjectToDomain"},
        {1, nullptr, "CopyFromCurrentDomain"},
        {2, &Controller::CloneCurrentObject, "CloneCurrentObject"},
        {3, &Controller::QueryPointerBufferSize, "QueryPointerBufferSize"},
        {4, &Controller::CloneCurrentObjectEx, "CloneCurrentObjectEx"},
    };
    RegisterHandlers(functions);
}

Controller::~Controller() = default;

} // namespace Service::SM