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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "common/logging.h"
#include "core/hle/service/ipc_helpers.h"
#include "core/hle/service/mm/mm_u.h"
#include "core/hle/service/server_manager.h"
#include "core/hle/service/sm/sm.h"
#include <vector>
namespace Service::MM {
enum class Module : u32 {
CPU = 0,
GPU = 1,
EMC = 2,
SYS_BUS = 3,
M_SELECT = 4,
NVDEC = 5,
NVENC = 6,
NVJPG = 7,
TEST = 8
};
class Session {
public:
Session(Module module_, u32 request_id_, bool is_auto_clear_event_) {
this->module = module_;
this->request_id = request_id_;
this->is_auto_clear_event = is_auto_clear_event_;
this->min = 0;
this->max = -1;
};
public:
Module module;
u32 request_id, min;
s32 max;
bool is_auto_clear_event;
void SetAndWait(u32 min_, s32 max_) {
this->min = min_;
this->max = max_;
}
};
class MM_U final : public ServiceFramework<MM_U> {
public:
explicit MM_U(Core::System& system_) : ServiceFramework{system_, "mm:u"} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &MM_U::InitializeOld, "InitializeOld"},
{1, &MM_U::FinalizeOld, "FinalizeOld"},
{2, &MM_U::SetAndWaitOld, "SetAndWaitOld"},
{3, &MM_U::GetOld, "GetOld"},
{4, &MM_U::Initialize, "Initialize"},
{5, &MM_U::Finalize, "Finalize"},
{6, &MM_U::SetAndWait, "SetAndWait"},
{7, &MM_U::Get, "Get"},
};
// clang-format on
RegisterHandlers(functions);
}
private:
void InitializeOld(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto module = rp.PopEnum<Module>();
rp.Pop<u32>();
const auto event_clear_mode = rp.Pop<u32>();
const bool is_auto_clear_event = event_clear_mode == 1;
sessions.push_back({module, request_id++, is_auto_clear_event});
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void FinalizeOld(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto module = rp.PopEnum<Module>();
for (auto it = sessions.begin(); it != sessions.end(); ++it) {
if (it->module == module) {
sessions.erase(it);
break;
}
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void SetAndWaitOld(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto module = rp.PopEnum<Module>();
const auto min = rp.Pop<u32>();
const auto max = rp.Pop<s32>();
for (auto& session : sessions) {
if (session.module == module) {
session.SetAndWait(min, max);
break;
}
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void GetOld(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto module = rp.PopEnum<Module>();
for (const auto& session : sessions) {
if (session.module == module) {
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
rb.Push(session.min);
return;
}
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(0);
}
void Initialize(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto module = rp.PopEnum<Module>();
rp.Pop<u32>();
const auto event_clear_mode = rp.Pop<u32>();
const bool is_auto_clear_event = event_clear_mode == 1;
sessions.push_back({module, request_id++, is_auto_clear_event});
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(request_id - 1);
}
void Finalize(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto id = rp.Pop<u32>();
for (auto it = sessions.begin(); it != sessions.end(); ++it) {
if (it->request_id == id) {
sessions.erase(it);
break;
}
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void SetAndWait(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto id = rp.Pop<u32>();
const auto min = rp.Pop<u32>();
const auto max = rp.Pop<s32>();
for (auto& session : sessions) {
if (session.request_id == id) {
session.SetAndWait(min, max);
break;
}
}
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(ResultSuccess);
}
void Get(HLERequestContext& ctx) {
LOG_DEBUG(Service_MM, "(STUBBED) called");
IPC::RequestParser rp{ctx};
const auto id = rp.Pop<u32>();
for (const auto& session : sessions) {
if (session.request_id == id) {
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push(session.min);
return;
}
}
IPC::ResponseBuilder rb{ctx, 3};
rb.Push(ResultSuccess);
rb.Push<u32>(0);
}
std::vector<Session> sessions;
u32 request_id{1};
};
void LoopProcess(Core::System& system) {
auto server_manager = std::make_unique<ServerManager>(system);
server_manager->RegisterNamedService("mm:u", std::make_shared<MM_U>(system));
ServerManager::RunServer(std::move(server_manager));
}
} // namespace Service::MM
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