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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) {
// TODO(bunnei): This is just creating a new handle to the same Session. I assume this is wrong
// and that we probably want to actually make an entirely new Session, but we still need to
// verify this on hardware.
LOG_DEBUG(Service, "called");
auto& kernel = system.Kernel();
auto* session = ctx.Session()->GetParent();
auto* port = session->GetParent()->GetParent();
// Reserve a new session from the process resource limit.
Kernel::KScopedResourceReservation session_reservation(
kernel.CurrentProcess()->GetResourceLimit(), Kernel::LimitableResource::Sessions);
if (!session_reservation.Succeeded()) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(Kernel::ResultLimitReached);
}
// Create a new session.
auto* clone = Kernel::KSession::Create(kernel);
clone->Initialize(&port->GetClientPort(), session->GetName());
// Commit the session reservation.
session_reservation.Commit();
// Enqueue the session with the named port.
port->EnqueueSession(&clone->GetServerSession());
// Set the session request manager.
clone->GetServerSession().SetSessionRequestManager(
session->GetServerSession().GetSessionRequestManager());
// We succeeded.
IPC::ResponseBuilder rb{ctx, 2, 0, 1, IPC::ResponseBuilder::Flags::AlwaysMoveHandles};
rb.Push(ResultSuccess);
rb.PushMoveObjects(clone->GetClientSession());
}
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
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