From ec2356b0cc22071da025deb08733c26818503049 Mon Sep 17 00:00:00 2001 From: pineappleEA Date: Sat, 9 Dec 2023 04:30:43 +0100 Subject: [PATCH] early-access version 4012 --- README.md | 2 +- src/core/CMakeLists.txt | 6 + src/core/hle/kernel/k_client_port.cpp | 69 ++++ src/core/hle/kernel/k_client_port.h | 2 + src/core/hle/kernel/k_client_session.cpp | 24 +- src/core/hle/kernel/k_client_session.h | 18 +- .../hle/kernel/k_light_client_session.cpp | 31 ++ src/core/hle/kernel/k_light_client_session.h | 39 +++ .../hle/kernel/k_light_server_session.cpp | 247 ++++++++++++++ src/core/hle/kernel/k_light_server_session.h | 49 +++ src/core/hle/kernel/k_light_session.cpp | 81 +++++ src/core/hle/kernel/k_light_session.h | 86 +++++ src/core/hle/kernel/k_port.cpp | 9 + src/core/hle/kernel/k_port.h | 2 + src/core/hle/kernel/k_server_port.cpp | 56 +++- src/core/hle/kernel/k_server_port.h | 5 + src/core/hle/kernel/k_server_session.cpp | 5 + src/core/hle/kernel/k_session.h | 4 + src/core/hle/kernel/k_thread.h | 7 + src/core/hle/kernel/kernel.cpp | 4 + src/core/hle/kernel/svc/svc_ipc.cpp | 312 +++++++++++++----- src/core/hle/kernel/svc/svc_light_ipc.cpp | 29 +- src/core/hle/kernel/svc/svc_port.cpp | 71 +++- src/core/hle/kernel/svc/svc_session.cpp | 40 ++- src/core/hle/service/sm/sm.cpp | 2 - 25 files changed, 1066 insertions(+), 134 deletions(-) create mode 100755 src/core/hle/kernel/k_light_client_session.cpp create mode 100755 src/core/hle/kernel/k_light_client_session.h create mode 100755 src/core/hle/kernel/k_light_server_session.cpp create mode 100755 src/core/hle/kernel/k_light_server_session.h create mode 100755 src/core/hle/kernel/k_light_session.cpp create mode 100755 src/core/hle/kernel/k_light_session.h diff --git a/README.md b/README.md index 150355f6e..a9d2f70be 100755 --- a/README.md +++ b/README.md @@ -1,7 +1,7 @@ yuzu emulator early access ============= -This is the source code for early-access 4011. +This is the source code for early-access 4012. ## Legal Notice diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt index 9907a6dc4..ce4ab5b38 100755 --- a/src/core/CMakeLists.txt +++ b/src/core/CMakeLists.txt @@ -251,10 +251,16 @@ add_library(core STATIC hle/kernel/k_hardware_timer.h hle/kernel/k_interrupt_manager.cpp hle/kernel/k_interrupt_manager.h + hle/kernel/k_light_client_session.cpp + hle/kernel/k_light_client_session.h hle/kernel/k_light_condition_variable.cpp hle/kernel/k_light_condition_variable.h hle/kernel/k_light_lock.cpp hle/kernel/k_light_lock.h + hle/kernel/k_light_server_session.cpp + hle/kernel/k_light_server_session.h + hle/kernel/k_light_session.cpp + hle/kernel/k_light_session.h hle/kernel/k_memory_block.h hle/kernel/k_memory_block_manager.cpp hle/kernel/k_memory_block_manager.h diff --git a/src/core/hle/kernel/k_client_port.cpp b/src/core/hle/kernel/k_client_port.cpp index cc27d549d..3d3e2e403 100755 --- a/src/core/hle/kernel/k_client_port.cpp +++ b/src/core/hle/kernel/k_client_port.cpp @@ -3,6 +3,7 @@ #include "common/scope_exit.h" #include "core/hle/kernel/k_client_port.h" +#include "core/hle/kernel/k_light_session.h" #include "core/hle/kernel/k_port.h" #include "core/hle/kernel/k_scheduler.h" #include "core/hle/kernel/k_scoped_resource_reservation.h" @@ -63,6 +64,7 @@ Result KClientPort::CreateSession(KClientSession** out) { R_UNLESS(session_reservation.Succeeded(), ResultLimitReached); // Allocate a session normally. + // TODO: Dynamic resource limits session = KSession::Create(m_kernel); // Check that we successfully created a session. @@ -119,4 +121,71 @@ Result KClientPort::CreateSession(KClientSession** out) { R_SUCCEED(); } +Result KClientPort::CreateLightSession(KLightClientSession** out) { + // Declare the session we're going to allocate. + KLightSession* session{}; + + // Reserve a new session from the resource limit. + KScopedResourceReservation session_reservation(GetCurrentProcessPointer(m_kernel), + Svc::LimitableResource::SessionCountMax); + R_UNLESS(session_reservation.Succeeded(), ResultLimitReached); + + // Allocate a session normally. + // TODO: Dynamic resource limits + session = KLightSession::Create(m_kernel); + + // Check that we successfully created a session. + R_UNLESS(session != nullptr, ResultOutOfResource); + + // Update the session counts. + { + ON_RESULT_FAILURE { + session->Close(); + }; + + // Atomically increment the number of sessions. + s32 new_sessions; + { + const auto max = m_max_sessions; + auto cur_sessions = m_num_sessions.load(std::memory_order_acquire); + do { + R_UNLESS(cur_sessions < max, ResultOutOfSessions); + new_sessions = cur_sessions + 1; + } while (!m_num_sessions.compare_exchange_weak(cur_sessions, new_sessions, + std::memory_order_relaxed)); + } + + // Atomically update the peak session tracking. + { + auto peak = m_peak_sessions.load(std::memory_order_acquire); + do { + if (peak >= new_sessions) { + break; + } + } while (!m_peak_sessions.compare_exchange_weak(peak, new_sessions, + std::memory_order_relaxed)); + } + } + + // Initialize the session. + session->Initialize(this, m_parent->GetName()); + + // Commit the session reservation. + session_reservation.Commit(); + + // Register the session. + KLightSession::Register(m_kernel, session); + ON_RESULT_FAILURE { + session->GetClientSession().Close(); + session->GetServerSession().Close(); + }; + + // Enqueue the session with our parent. + R_TRY(m_parent->EnqueueSession(std::addressof(session->GetServerSession()))); + + // We succeeded, so set the output. + *out = std::addressof(session->GetClientSession()); + R_SUCCEED(); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/k_client_port.h b/src/core/hle/kernel/k_client_port.h index 0779a09a7..a160de8a3 100755 --- a/src/core/hle/kernel/k_client_port.h +++ b/src/core/hle/kernel/k_client_port.h @@ -11,6 +11,7 @@ namespace Kernel { +class KLightClientSession; class KClientSession; class KernelCore; class KPort; @@ -51,6 +52,7 @@ public: bool IsSignaled() const override; Result CreateSession(KClientSession** out); + Result CreateLightSession(KLightClientSession** out); private: std::atomic m_num_sessions{}; diff --git a/src/core/hle/kernel/k_client_session.cpp b/src/core/hle/kernel/k_client_session.cpp index 93ce3aa16..247033fde 100755 --- a/src/core/hle/kernel/k_client_session.cpp +++ b/src/core/hle/kernel/k_client_session.cpp @@ -10,9 +10,7 @@ namespace Kernel { -static constexpr u32 MessageBufferSize = 0x100; - -KClientSession::KClientSession(KernelCore& kernel) : KAutoObjectWithSlabHeapAndContainer{kernel} {} +KClientSession::KClientSession(KernelCore& kernel) : KAutoObject{kernel} {} KClientSession::~KClientSession() = default; void KClientSession::Destroy() { @@ -22,18 +20,30 @@ void KClientSession::Destroy() { void KClientSession::OnServerClosed() {} -Result KClientSession::SendSyncRequest() { +Result KClientSession::SendSyncRequest(uintptr_t address, size_t size) { // Create a session request. KSessionRequest* request = KSessionRequest::Create(m_kernel); R_UNLESS(request != nullptr, ResultOutOfResource); SCOPE_EXIT({ request->Close(); }); // Initialize the request. - request->Initialize(nullptr, GetInteger(GetCurrentThread(m_kernel).GetTlsAddress()), - MessageBufferSize); + request->Initialize(nullptr, address, size); // Send the request. - R_RETURN(m_parent->GetServerSession().OnRequest(request)); + R_RETURN(m_parent->OnRequest(request)); +} + +Result KClientSession::SendAsyncRequest(KEvent* event, uintptr_t address, size_t size) { + // Create a session request. + KSessionRequest* request = KSessionRequest::Create(m_kernel); + R_UNLESS(request != nullptr, ResultOutOfResource); + SCOPE_EXIT({ request->Close(); }); + + // Initialize the request. + request->Initialize(event, address, size); + + // Send the request. + R_RETURN(m_parent->OnRequest(request)); } } // namespace Kernel diff --git a/src/core/hle/kernel/k_client_session.h b/src/core/hle/kernel/k_client_session.h index 2d8878772..2e911dea7 100755 --- a/src/core/hle/kernel/k_client_session.h +++ b/src/core/hle/kernel/k_client_session.h @@ -9,24 +9,12 @@ #include "core/hle/kernel/slab_helpers.h" #include "core/hle/result.h" -union Result; - -namespace Core::Memory { -class Memory; -} - -namespace Core::Timing { -class CoreTiming; -} - namespace Kernel { class KernelCore; class KSession; -class KThread; -class KClientSession final - : public KAutoObjectWithSlabHeapAndContainer { +class KClientSession final : public KAutoObject { KERNEL_AUTOOBJECT_TRAITS(KClientSession, KAutoObject); public: @@ -39,13 +27,13 @@ public: } void Destroy() override; - static void PostDestroy(uintptr_t arg) {} KSession* GetParent() const { return m_parent; } - Result SendSyncRequest(); + Result SendSyncRequest(uintptr_t address, size_t size); + Result SendAsyncRequest(KEvent* event, uintptr_t address, size_t size); void OnServerClosed(); diff --git a/src/core/hle/kernel/k_light_client_session.cpp b/src/core/hle/kernel/k_light_client_session.cpp new file mode 100755 index 000000000..8ce3e1ae4 --- /dev/null +++ b/src/core/hle/kernel/k_light_client_session.cpp @@ -0,0 +1,31 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/hle/kernel/k_light_client_session.h" +#include "core/hle/kernel/k_light_session.h" +#include "core/hle/kernel/k_thread.h" + +namespace Kernel { + +KLightClientSession::KLightClientSession(KernelCore& kernel) : KAutoObject(kernel) {} + +KLightClientSession::~KLightClientSession() = default; + +void KLightClientSession::Destroy() { + m_parent->OnClientClosed(); +} + +void KLightClientSession::OnServerClosed() {} + +Result KLightClientSession::SendSyncRequest(u32* data) { + // Get the request thread. + KThread* cur_thread = GetCurrentThreadPointer(m_kernel); + + // Set the light data. + cur_thread->SetLightSessionData(data); + + // Send the request. + R_RETURN(m_parent->OnRequest(cur_thread)); +} + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_light_client_session.h b/src/core/hle/kernel/k_light_client_session.h new file mode 100755 index 000000000..881a15cbd --- /dev/null +++ b/src/core/hle/kernel/k_light_client_session.h @@ -0,0 +1,39 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "core/hle/kernel/k_auto_object.h" +#include "core/hle/result.h" + +namespace Kernel { + +class KLightSession; + +class KLightClientSession final : public KAutoObject { + KERNEL_AUTOOBJECT_TRAITS(KLightClientSession, KAutoObject); + +public: + explicit KLightClientSession(KernelCore& kernel); + ~KLightClientSession(); + + void Initialize(KLightSession* parent) { + // Set member variables. + m_parent = parent; + } + + virtual void Destroy() override; + + const KLightSession* GetParent() const { + return m_parent; + } + + Result SendSyncRequest(u32* data); + + void OnServerClosed(); + +private: + KLightSession* m_parent; +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_light_server_session.cpp b/src/core/hle/kernel/k_light_server_session.cpp new file mode 100755 index 000000000..e5ceb01f2 --- /dev/null +++ b/src/core/hle/kernel/k_light_server_session.cpp @@ -0,0 +1,247 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/hle/kernel/k_light_server_session.h" +#include "core/hle/kernel/k_light_session.h" +#include "core/hle/kernel/k_thread.h" +#include "core/hle/kernel/k_thread_queue.h" +#include "core/hle/kernel/svc_results.h" + +namespace Kernel { + +namespace { + +constexpr u64 InvalidThreadId = std::numeric_limits::max(); + +class ThreadQueueImplForKLightServerSessionRequest final : public KThreadQueue { +private: + KThread::WaiterList* m_wait_list; + +public: + ThreadQueueImplForKLightServerSessionRequest(KernelCore& kernel, KThread::WaiterList* wl) + : KThreadQueue(kernel), m_wait_list(wl) {} + + virtual void EndWait(KThread* waiting_thread, Result wait_result) override { + // Remove the thread from our wait list. + m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread)); + + // Invoke the base end wait handler. + KThreadQueue::EndWait(waiting_thread, wait_result); + } + + virtual void CancelWait(KThread* waiting_thread, Result wait_result, + bool cancel_timer_task) override { + // Remove the thread from our wait list. + m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread)); + + // Invoke the base cancel wait handler. + KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task); + } +}; + +class ThreadQueueImplForKLightServerSessionReceive final : public KThreadQueue { +private: + KThread** m_server_thread; + +public: + ThreadQueueImplForKLightServerSessionReceive(KernelCore& kernel, KThread** st) + : KThreadQueue(kernel), m_server_thread(st) {} + + virtual void EndWait(KThread* waiting_thread, Result wait_result) override { + // Clear the server thread. + *m_server_thread = nullptr; + + // Set the waiting thread as not cancelable. + waiting_thread->ClearCancellable(); + + // Invoke the base end wait handler. + KThreadQueue::EndWait(waiting_thread, wait_result); + } + + virtual void CancelWait(KThread* waiting_thread, Result wait_result, + bool cancel_timer_task) override { + // Clear the server thread. + *m_server_thread = nullptr; + + // Set the waiting thread as not cancelable. + waiting_thread->ClearCancellable(); + + // Invoke the base cancel wait handler. + KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task); + } +}; + +} // namespace + +KLightServerSession::KLightServerSession(KernelCore& kernel) : KAutoObject(kernel) {} +KLightServerSession::~KLightServerSession() = default; + +void KLightServerSession::Destroy() { + this->CleanupRequests(); + + m_parent->OnServerClosed(); +} + +void KLightServerSession::OnClientClosed() { + this->CleanupRequests(); +} + +Result KLightServerSession::OnRequest(KThread* request_thread) { + ThreadQueueImplForKLightServerSessionRequest wait_queue(m_kernel, + std::addressof(m_request_list)); + + // Send the request. + { + // Lock the scheduler. + KScopedSchedulerLock sl(m_kernel); + + // Check that the server isn't closed. + R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed); + + // Check that the request thread isn't terminating. + R_UNLESS(!request_thread->IsTerminationRequested(), ResultTerminationRequested); + + // Add the request thread to our list. + m_request_list.push_back(*request_thread); + + // Begin waiting on the request. + request_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC); + request_thread->BeginWait(std::addressof(wait_queue)); + + // If we have a server thread, end its wait. + if (m_server_thread != nullptr) { + m_server_thread->EndWait(ResultSuccess); + } + } + + // NOTE: Nintendo returns GetCurrentThread().GetWaitResult() here. + // This is technically incorrect, although it doesn't cause problems in practice + // because this is only ever called with request_thread = GetCurrentThreadPointer(). + R_RETURN(request_thread->GetWaitResult()); +} + +Result KLightServerSession::ReplyAndReceive(u32* data) { + // Set the server context. + GetCurrentThread(m_kernel).SetLightSessionData(data); + + // Reply, if we need to. + if (data[0] & KLightSession::ReplyFlag) { + KScopedSchedulerLock sl(m_kernel); + + // Check that we're open. + R_UNLESS(!m_parent->IsClientClosed(), ResultSessionClosed); + R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed); + + // Check that we have a request to reply to. + R_UNLESS(m_current_request != nullptr, ResultInvalidState); + + // Check that the server thread id is correct. + R_UNLESS(m_server_thread_id == GetCurrentThread(m_kernel).GetId(), ResultInvalidState); + + // If we can reply, do so. + if (!m_current_request->IsTerminationRequested()) { + std::memcpy(m_current_request->GetLightSessionData(), + GetCurrentThread(m_kernel).GetLightSessionData(), KLightSession::DataSize); + m_current_request->EndWait(ResultSuccess); + } + + // Close our current request. + m_current_request->Close(); + + // Clear our current request. + m_current_request = nullptr; + m_server_thread_id = InvalidThreadId; + } + + // Create the wait queue for our receive. + ThreadQueueImplForKLightServerSessionReceive wait_queue(m_kernel, + std::addressof(m_server_thread)); + + // Receive. + while (true) { + // Try to receive a request. + { + KScopedSchedulerLock sl(m_kernel); + + // Check that we aren't already receiving. + R_UNLESS(m_server_thread == nullptr, ResultInvalidState); + R_UNLESS(m_server_thread_id == InvalidThreadId, ResultInvalidState); + + // Check that we're open. + R_UNLESS(!m_parent->IsClientClosed(), ResultSessionClosed); + R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed); + + // Check that we're not terminating. + R_UNLESS(!GetCurrentThread(m_kernel).IsTerminationRequested(), + ResultTerminationRequested); + + // If we have a request available, use it. + if (auto head = m_request_list.begin(); head != m_request_list.end()) { + // Set our current request. + m_current_request = std::addressof(*head); + m_current_request->Open(); + + // Set our server thread id. + m_server_thread_id = GetCurrentThread(m_kernel).GetId(); + + // Copy the client request data. + std::memcpy(GetCurrentThread(m_kernel).GetLightSessionData(), + m_current_request->GetLightSessionData(), KLightSession::DataSize); + + // We successfully received. + R_SUCCEED(); + } + + // We need to wait for a request to come in. + + // Check if we were cancelled. + if (GetCurrentThread(m_kernel).IsWaitCancelled()) { + GetCurrentThread(m_kernel).ClearWaitCancelled(); + R_THROW(ResultCancelled); + } + + // Mark ourselves as cancellable. + GetCurrentThread(m_kernel).SetCancellable(); + + // Wait for a request to come in. + m_server_thread = GetCurrentThreadPointer(m_kernel); + GetCurrentThread(m_kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC); + GetCurrentThread(m_kernel).BeginWait(std::addressof(wait_queue)); + } + + // We waited to receive a request; if our wait failed, return the failing result. + R_TRY(GetCurrentThread(m_kernel).GetWaitResult()); + } +} + +void KLightServerSession::CleanupRequests() { + // Cleanup all pending requests. + { + KScopedSchedulerLock sl(m_kernel); + + // Handle the current request. + if (m_current_request != nullptr) { + // Reply to the current request. + if (!m_current_request->IsTerminationRequested()) { + m_current_request->EndWait(ResultSessionClosed); + } + + // Clear our current request. + m_current_request->Close(); + m_current_request = nullptr; + m_server_thread_id = InvalidThreadId; + } + + // Reply to all other requests. + for (auto& thread : m_request_list) { + thread.EndWait(ResultSessionClosed); + } + + // Wait up our server thread, if we have one. + if (m_server_thread != nullptr) { + m_server_thread->EndWait(ResultSessionClosed); + } + } +} + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_light_server_session.h b/src/core/hle/kernel/k_light_server_session.h new file mode 100755 index 000000000..8eca3eab6 --- /dev/null +++ b/src/core/hle/kernel/k_light_server_session.h @@ -0,0 +1,49 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "core/hle/kernel/k_auto_object.h" +#include "core/hle/kernel/k_thread.h" +#include "core/hle/result.h" + +namespace Kernel { + +class KLightSession; + +class KLightServerSession final : public KAutoObject, + public Common::IntrusiveListBaseNode { + KERNEL_AUTOOBJECT_TRAITS(KLightServerSession, KAutoObject); + +private: + KLightSession* m_parent{}; + KThread::WaiterList m_request_list{}; + KThread* m_current_request{}; + u64 m_server_thread_id{std::numeric_limits::max()}; + KThread* m_server_thread{}; + +public: + explicit KLightServerSession(KernelCore& kernel); + ~KLightServerSession(); + + void Initialize(KLightSession* parent) { + // Set member variables. */ + m_parent = parent; + } + + virtual void Destroy() override; + + constexpr const KLightSession* GetParent() const { + return m_parent; + } + + Result OnRequest(KThread* request_thread); + Result ReplyAndReceive(u32* data); + + void OnClientClosed(); + +private: + void CleanupRequests(); +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_light_session.cpp b/src/core/hle/kernel/k_light_session.cpp new file mode 100755 index 000000000..d8b1e6958 --- /dev/null +++ b/src/core/hle/kernel/k_light_session.cpp @@ -0,0 +1,81 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/hle/kernel/k_client_port.h" +#include "core/hle/kernel/k_light_client_session.h" +#include "core/hle/kernel/k_light_server_session.h" +#include "core/hle/kernel/k_light_session.h" +#include "core/hle/kernel/k_process.h" + +namespace Kernel { + +KLightSession::KLightSession(KernelCore& kernel) + : KAutoObjectWithSlabHeapAndContainer(kernel), m_server(kernel), m_client(kernel) {} +KLightSession::~KLightSession() = default; + +void KLightSession::Initialize(KClientPort* client_port, uintptr_t name) { + // Increment reference count. + // Because reference count is one on creation, this will result + // in a reference count of two. Thus, when both server and client are closed + // this object will be destroyed. + this->Open(); + + // Create our sub sessions. + KAutoObject::Create(std::addressof(m_server)); + KAutoObject::Create(std::addressof(m_client)); + + // Initialize our sub sessions. + m_server.Initialize(this); + m_client.Initialize(this); + + // Set state and name. + m_state = State::Normal; + m_name = name; + + // Set our owner process. + m_process = GetCurrentProcessPointer(m_kernel); + m_process->Open(); + + // Set our port. + m_port = client_port; + if (m_port != nullptr) { + m_port->Open(); + } + + // Mark initialized. + m_initialized = true; +} + +void KLightSession::Finalize() { + if (m_port != nullptr) { + m_port->OnSessionFinalized(); + m_port->Close(); + } +} + +void KLightSession::OnServerClosed() { + if (m_state == State::Normal) { + m_state = State::ServerClosed; + m_client.OnServerClosed(); + } + + this->Close(); +} + +void KLightSession::OnClientClosed() { + if (m_state == State::Normal) { + m_state = State::ClientClosed; + m_server.OnClientClosed(); + } + + this->Close(); +} + +void KLightSession::PostDestroy(uintptr_t arg) { + // Release the session count resource the owner process holds. + KProcess* owner = reinterpret_cast(arg); + owner->ReleaseResource(Svc::LimitableResource::SessionCountMax, 1); + owner->Close(); +} + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_light_session.h b/src/core/hle/kernel/k_light_session.h new file mode 100755 index 000000000..f78d8e689 --- /dev/null +++ b/src/core/hle/kernel/k_light_session.h @@ -0,0 +1,86 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#pragma once + +#include "core/hle/kernel/k_light_client_session.h" +#include "core/hle/kernel/k_light_server_session.h" +#include "core/hle/kernel/slab_helpers.h" +#include "core/hle/result.h" + +namespace Kernel { + +class KClientPort; +class KProcess; + +// TODO: SupportDynamicExpansion for SlabHeap +class KLightSession final + : public KAutoObjectWithSlabHeapAndContainer { + KERNEL_AUTOOBJECT_TRAITS(KLightSession, KAutoObject); + +private: + enum class State : u8 { + Invalid = 0, + Normal = 1, + ClientClosed = 2, + ServerClosed = 3, + }; + +public: + static constexpr size_t DataSize = sizeof(u32) * 7; + static constexpr u32 ReplyFlag = (1U << 31); + +private: + KLightServerSession m_server; + KLightClientSession m_client; + State m_state{State::Invalid}; + KClientPort* m_port{}; + uintptr_t m_name{}; + KProcess* m_process{}; + bool m_initialized{}; + +public: + explicit KLightSession(KernelCore& kernel); + ~KLightSession(); + + void Initialize(KClientPort* client_port, uintptr_t name); + void Finalize() override; + + bool IsInitialized() const override { + return m_initialized; + } + uintptr_t GetPostDestroyArgument() const override { + return reinterpret_cast(m_process); + } + + static void PostDestroy(uintptr_t arg); + + void OnServerClosed(); + void OnClientClosed(); + + bool IsServerClosed() const { + return m_state != State::Normal; + } + bool IsClientClosed() const { + return m_state != State::Normal; + } + + Result OnRequest(KThread* request_thread) { + R_RETURN(m_server.OnRequest(request_thread)); + } + + KLightClientSession& GetClientSession() { + return m_client; + } + KLightServerSession& GetServerSession() { + return m_server; + } + const KLightClientSession& GetClientSession() const { + return m_client; + } + const KLightServerSession& GetServerSession() const { + return m_server; + } +}; + +} // namespace Kernel diff --git a/src/core/hle/kernel/k_port.cpp b/src/core/hle/kernel/k_port.cpp index 102a3e22d..d24941db1 100755 --- a/src/core/hle/kernel/k_port.cpp +++ b/src/core/hle/kernel/k_port.cpp @@ -58,4 +58,13 @@ Result KPort::EnqueueSession(KServerSession* session) { R_SUCCEED(); } +Result KPort::EnqueueSession(KLightServerSession* session) { + KScopedSchedulerLock sl{m_kernel}; + + R_UNLESS(m_state == State::Normal, ResultPortClosed); + + m_server.EnqueueSession(session); + R_SUCCEED(); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/k_port.h b/src/core/hle/kernel/k_port.h index 3dc73c87a..02b6a42a9 100755 --- a/src/core/hle/kernel/k_port.h +++ b/src/core/hle/kernel/k_port.h @@ -13,6 +13,7 @@ namespace Kernel { +class KLightServerSession; class KServerSession; class KPort final : public KAutoObjectWithSlabHeapAndContainer { @@ -38,6 +39,7 @@ public: bool IsServerClosed() const; Result EnqueueSession(KServerSession* session); + Result EnqueueSession(KLightServerSession* session); KClientPort& GetClientPort() { return m_client; diff --git a/src/core/hle/kernel/k_server_port.cpp b/src/core/hle/kernel/k_server_port.cpp index 346d1f5c3..5b0b9821e 100755 --- a/src/core/hle/kernel/k_server_port.cpp +++ b/src/core/hle/kernel/k_server_port.cpp @@ -27,12 +27,14 @@ bool KServerPort::IsLight() const { void KServerPort::CleanupSessions() { // Ensure our preconditions are met. if (this->IsLight()) { - UNIMPLEMENTED(); + ASSERT(m_session_list.empty()); + } else { + ASSERT(m_light_session_list.empty()); } // Cleanup the session list. while (true) { - // Get the last session in the list + // Get the last session in the list. KServerSession* session = nullptr; { KScopedSchedulerLock sl{m_kernel}; @@ -49,6 +51,26 @@ void KServerPort::CleanupSessions() { break; } } + + // Cleanup the light session list. + while (true) { + // Get the last session in the list. + KLightServerSession* session = nullptr; + { + KScopedSchedulerLock sl{m_kernel}; + if (!m_light_session_list.empty()) { + session = std::addressof(m_light_session_list.front()); + m_light_session_list.pop_front(); + } + } + + // Close the session. + if (session != nullptr) { + session->Close(); + } else { + break; + } + } } void KServerPort::Destroy() { @@ -64,8 +86,7 @@ void KServerPort::Destroy() { bool KServerPort::IsSignaled() const { if (this->IsLight()) { - UNIMPLEMENTED(); - return false; + return !m_light_session_list.empty(); } else { return !m_session_list.empty(); } @@ -83,6 +104,18 @@ void KServerPort::EnqueueSession(KServerSession* session) { } } +void KServerPort::EnqueueSession(KLightServerSession* session) { + ASSERT(this->IsLight()); + + KScopedSchedulerLock sl{m_kernel}; + + // Add the session to our queue. + m_light_session_list.push_back(*session); + if (m_light_session_list.size() == 1) { + this->NotifyAvailable(); + } +} + KServerSession* KServerPort::AcceptSession() { ASSERT(!this->IsLight()); @@ -98,4 +131,19 @@ KServerSession* KServerPort::AcceptSession() { return session; } +KLightServerSession* KServerPort::AcceptLightSession() { + ASSERT(this->IsLight()); + + KScopedSchedulerLock sl{m_kernel}; + + // Return the first session in the list. + if (m_light_session_list.empty()) { + return nullptr; + } + + KLightServerSession* session = std::addressof(m_light_session_list.front()); + m_light_session_list.pop_front(); + return session; +} + } // namespace Kernel diff --git a/src/core/hle/kernel/k_server_port.h b/src/core/hle/kernel/k_server_port.h index c0b469c2a..70c1b50f6 100755 --- a/src/core/hle/kernel/k_server_port.h +++ b/src/core/hle/kernel/k_server_port.h @@ -9,6 +9,7 @@ #include "common/intrusive_list.h" +#include "core/hle/kernel/k_light_server_session.h" #include "core/hle/kernel/k_server_session.h" #include "core/hle/kernel/k_synchronization_object.h" @@ -28,8 +29,10 @@ public: void Initialize(KPort* parent); void EnqueueSession(KServerSession* session); + void EnqueueSession(KLightServerSession* session); KServerSession* AcceptSession(); + KLightServerSession* AcceptLightSession(); const KPort* GetParent() const { return m_parent; @@ -43,10 +46,12 @@ public: private: using SessionList = Common::IntrusiveListBaseTraits::ListType; + using LightSessionList = Common::IntrusiveListBaseTraits::ListType; void CleanupSessions(); SessionList m_session_list{}; + LightSessionList m_light_session_list{}; KPort* m_parent{}; }; diff --git a/src/core/hle/kernel/k_server_session.cpp b/src/core/hle/kernel/k_server_session.cpp index f8299047d..60919438d 100755 --- a/src/core/hle/kernel/k_server_session.cpp +++ b/src/core/hle/kernel/k_server_session.cpp @@ -453,6 +453,11 @@ Result KServerSession::ReceiveRequest(std::shared_ptrGetSize(); // bool recv_list_broken = false; + if (!client_message) { + client_message = GetInteger(client_thread->GetTlsAddress()); + client_buffer_size = MessageBufferSize; + } + // Receive the message. Core::Memory::Memory& memory{client_thread->GetOwnerProcess()->GetMemory()}; if (out_context != nullptr) { diff --git a/src/core/hle/kernel/k_session.h b/src/core/hle/kernel/k_session.h index aa0db423b..246923683 100755 --- a/src/core/hle/kernel/k_session.h +++ b/src/core/hle/kernel/k_session.h @@ -46,6 +46,10 @@ public: return this->GetState() != State::Normal; } + Result OnRequest(KSessionRequest* request) { + R_RETURN(m_server.OnRequest(request)); + } + KClientSession& GetClientSession() { return m_client; } diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h index cfbeffaba..ea263d53f 100755 --- a/src/core/hle/kernel/k_thread.h +++ b/src/core/hle/kernel/k_thread.h @@ -385,6 +385,13 @@ public: m_cancellable = false; } + u32* GetLightSessionData() const { + return m_light_ipc_data; + } + void SetLightSessionData(u32* data) { + m_light_ipc_data = data; + } + bool IsTerminationRequested() const { return m_termination_requested || GetRawState() == ThreadState::Terminated; } diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 8a737d6c9..cd579f497 100755 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -1340,6 +1340,7 @@ struct KernelCore::SlabHeapContainer { KSlabHeap process; KSlabHeap resource_limit; KSlabHeap session; + KSlabHeap light_session; KSlabHeap shared_memory; KSlabHeap shared_memory_info; KSlabHeap thread; @@ -1370,6 +1371,8 @@ KSlabHeap& KernelCore::SlabHeap() { return slab_heap_container->resource_limit; } else if constexpr (std::is_same_v) { return slab_heap_container->session; + } else if constexpr (std::is_same_v) { + return slab_heap_container->light_session; } else if constexpr (std::is_same_v) { return slab_heap_container->shared_memory; } else if constexpr (std::is_same_v) { @@ -1407,6 +1410,7 @@ template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); +template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); template KSlabHeap& KernelCore::SlabHeap(); diff --git a/src/core/hle/kernel/svc/svc_ipc.cpp b/src/core/hle/kernel/svc/svc_ipc.cpp index 6b5e1cb8d..47a3e7bb0 100755 --- a/src/core/hle/kernel/svc/svc_ipc.cpp +++ b/src/core/hle/kernel/svc/svc_ipc.cpp @@ -7,71 +7,39 @@ #include "core/hle/kernel/k_client_session.h" #include "core/hle/kernel/k_hardware_timer.h" #include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/k_scoped_resource_reservation.h" #include "core/hle/kernel/k_server_session.h" +#include "core/hle/kernel/k_session.h" #include "core/hle/kernel/svc.h" #include "core/hle/kernel/svc_results.h" namespace Kernel::Svc { -/// Makes a blocking IPC call to a service. -Result SendSyncRequest(Core::System& system, Handle handle) { - // Get the client session from its handle. +namespace { + +Result SendSyncRequestImpl(KernelCore& kernel, uintptr_t message, size_t buffer_size, + Handle session_handle) { + // Get the client session. KScopedAutoObject session = - GetCurrentProcess(system.Kernel()).GetHandleTable().GetObject(handle); + GetCurrentProcess(kernel).GetHandleTable().GetObject(session_handle); R_UNLESS(session.IsNotNull(), ResultInvalidHandle); - LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}", handle); + // Get the parent, and persist a reference to it until we're done. + KScopedAutoObject parent = session->GetParent(); + ASSERT(parent.IsNotNull()); - R_RETURN(session->SendSyncRequest()); + // Send the request. + R_RETURN(session->SendSyncRequest(message, buffer_size)); } -Result SendSyncRequestWithUserBuffer(Core::System& system, uint64_t message_buffer, - uint64_t message_buffer_size, Handle session_handle) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); -} - -Result SendAsyncRequestWithUserBuffer(Core::System& system, Handle* out_event_handle, - uint64_t message_buffer, uint64_t message_buffer_size, - Handle session_handle) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); -} - -Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_addr, s32 num_handles, - Handle reply_target, s64 timeout_ns) { - // Ensure number of handles is valid. - R_UNLESS(0 <= num_handles && num_handles <= ArgumentHandleCountMax, ResultOutOfRange); - - // Get the synchronization context. - auto& kernel = system.Kernel(); - auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); - auto objs = GetCurrentThread(kernel).GetSynchronizationObjectBuffer(); - auto handles = GetCurrentThread(kernel).GetHandleBuffer(); - - // Copy user handles. - if (num_handles > 0) { - // Get the handles. - R_UNLESS(GetCurrentMemory(kernel).ReadBlock(handles_addr, handles.data(), - sizeof(Handle) * num_handles), - ResultInvalidPointer); - - // Convert the handles to objects. - R_UNLESS(handle_table.GetMultipleObjects( - objs.data(), handles.data(), num_handles), - ResultInvalidHandle); - } - - // Ensure handles are closed when we're done. - SCOPE_EXIT({ - for (auto i = 0; i < num_handles; ++i) { - objs[i]->Close(); - } - }); - +Result ReplyAndReceiveImpl(KernelCore& kernel, int32_t* out_index, uintptr_t message, + size_t buffer_size, KPhysicalAddress message_paddr, + KSynchronizationObject** objs, int32_t num_objects, Handle reply_target, + int64_t timeout_ns) { // Reply to the target, if one is specified. if (reply_target != InvalidHandle) { - KScopedAutoObject session = handle_table.GetObject(reply_target); + KScopedAutoObject session = + GetCurrentProcess(kernel).GetHandleTable().GetObject(reply_target); R_UNLESS(session.IsNotNull(), ResultInvalidHandle); // If we fail to reply, we want to set the output index to -1. @@ -81,57 +49,223 @@ Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles_ad // Send the reply. R_TRY(session->SendReply()); + // R_TRY(session->SendReply(message, buffer_size, message_paddr)); } - // Convert the timeout from nanoseconds to ticks. - // NOTE: Nintendo does not use this conversion logic in WaitSynchronization... - s64 timeout; - if (timeout_ns > 0) { - const s64 offset_tick(timeout_ns); - if (offset_tick > 0) { - timeout = kernel.HardwareTimer().GetTick() + offset_tick + 2; - if (timeout <= 0) { + // Receive a message. + { + // Convert the timeout from nanoseconds to ticks. + // NOTE: Nintendo does not use this conversion logic in WaitSynchronization... + s64 timeout; + if (timeout_ns > 0) { + const s64 offset_tick(timeout_ns); + if (offset_tick > 0) { + timeout = kernel.HardwareTimer().GetTick() + offset_tick + 2; + if (timeout <= 0) { + timeout = std::numeric_limits::max(); + } + } else { timeout = std::numeric_limits::max(); } } else { - timeout = std::numeric_limits::max(); - } - } else { - timeout = timeout_ns; - } - - // Wait for a message. - while (true) { - // Wait for an object. - s32 index; - Result result = KSynchronizationObject::Wait(kernel, std::addressof(index), objs.data(), - num_handles, timeout); - if (result == ResultTimedOut) { - R_RETURN(result); + timeout = timeout_ns; } - // Receive the request. - if (R_SUCCEEDED(result)) { - KServerSession* session = objs[index]->DynamicCast(); - if (session != nullptr) { - result = session->ReceiveRequest(); - if (result == ResultNotFound) { - continue; + // Wait for a message. + while (true) { + // Wait for an object. + s32 index; + Result result = KSynchronizationObject::Wait(kernel, std::addressof(index), objs, + num_objects, timeout); + if (ResultTimedOut == result) { + R_THROW(result); + } + + // Receive the request. + if (R_SUCCEEDED(result)) { + KServerSession* session = objs[index]->DynamicCast(); + if (session != nullptr) { + // result = session->ReceiveRequest(message, buffer_size, message_paddr); + result = session->ReceiveRequest(); + if (ResultNotFound == result) { + continue; + } } } - } - *out_index = index; - R_RETURN(result); + *out_index = index; + R_RETURN(result); + } } } -Result ReplyAndReceiveWithUserBuffer(Core::System& system, int32_t* out_index, - uint64_t message_buffer, uint64_t message_buffer_size, - uint64_t handles, int32_t num_handles, Handle reply_target, - int64_t timeout_ns) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); +Result ReplyAndReceiveImpl(KernelCore& kernel, int32_t* out_index, uintptr_t message, + size_t buffer_size, KPhysicalAddress message_paddr, + KProcessAddress user_handles, int32_t num_handles, Handle reply_target, + int64_t timeout_ns) { + // Ensure number of handles is valid. + R_UNLESS(0 <= num_handles && num_handles <= Svc::ArgumentHandleCountMax, ResultOutOfRange); + + // Get the synchronization context. + auto& process = GetCurrentProcess(kernel); + auto& thread = GetCurrentThread(kernel); + auto& handle_table = process.GetHandleTable(); + KSynchronizationObject** objs = thread.GetSynchronizationObjectBuffer().data(); + Handle* handles = thread.GetHandleBuffer().data(); + + // Copy user handles. + if (num_handles > 0) { + // Ensure that we can try to get the handles. + R_UNLESS(process.GetPageTable().Contains(user_handles, num_handles * sizeof(Handle)), + ResultInvalidPointer); + + // Get the handles + R_UNLESS( + GetCurrentMemory(kernel).ReadBlock(user_handles, handles, sizeof(Handle) * num_handles), + ResultInvalidPointer); + + // Convert the handles to objects. + R_UNLESS( + handle_table.GetMultipleObjects(objs, handles, num_handles), + ResultInvalidHandle); + } + + // Ensure handles are closed when we're done. + SCOPE_EXIT({ + for (auto i = 0; i < num_handles; ++i) { + objs[i]->Close(); + } + }); + + R_RETURN(ReplyAndReceiveImpl(kernel, out_index, message, buffer_size, message_paddr, objs, + num_handles, reply_target, timeout_ns)); +} + +} // namespace + +/// Makes a blocking IPC call to a service. +Result SendSyncRequest(Core::System& system, Handle session_handle) { + R_RETURN(SendSyncRequestImpl(system.Kernel(), 0, 0, session_handle)); +} + +Result SendSyncRequestWithUserBuffer(Core::System& system, uint64_t message, uint64_t buffer_size, + Handle session_handle) { + auto& kernel = system.Kernel(); + + // Validate that the message buffer is page aligned and does not overflow. + R_UNLESS(Common::IsAligned(message, PageSize), ResultInvalidAddress); + R_UNLESS(buffer_size > 0, ResultInvalidSize); + R_UNLESS(Common::IsAligned(buffer_size, PageSize), ResultInvalidSize); + R_UNLESS(message < message + buffer_size, ResultInvalidCurrentMemory); + + // Get the process page table. + auto& page_table = GetCurrentProcess(kernel).GetPageTable(); + + // Lock the message buffer. + R_TRY(page_table.LockForIpcUserBuffer(nullptr, message, buffer_size)); + + { + // If we fail to send the message, unlock the message buffer. + ON_RESULT_FAILURE { + page_table.UnlockForIpcUserBuffer(message, buffer_size); + }; + + // Send the request. + ASSERT(message != 0); + R_TRY(SendSyncRequestImpl(kernel, message, buffer_size, session_handle)); + } + + // We successfully processed, so try to unlock the message buffer. + R_RETURN(page_table.UnlockForIpcUserBuffer(message, buffer_size)); +} + +Result SendAsyncRequestWithUserBuffer(Core::System& system, Handle* out_event_handle, + uint64_t message, uint64_t buffer_size, + Handle session_handle) { + // Get the process and handle table. + auto& process = GetCurrentProcess(system.Kernel()); + auto& handle_table = process.GetHandleTable(); + + // Reserve a new event from the process resource limit. + KScopedResourceReservation event_reservation(std::addressof(process), + Svc::LimitableResource::EventCountMax); + R_UNLESS(event_reservation.Succeeded(), ResultLimitReached); + + // Get the client session. + KScopedAutoObject session = process.GetHandleTable().GetObject(session_handle); + R_UNLESS(session.IsNotNull(), ResultInvalidHandle); + + // Get the parent, and persist a reference to it until we're done. + KScopedAutoObject parent = session->GetParent(); + ASSERT(parent.IsNotNull()); + + // Create a new event. + KEvent* event = KEvent::Create(system.Kernel()); + R_UNLESS(event != nullptr, ResultOutOfResource); + + // Initialize the event. + event->Initialize(std::addressof(process)); + + // Commit our reservation. + event_reservation.Commit(); + + // At end of scope, kill the standing references to the sub events. + SCOPE_EXIT({ + event->GetReadableEvent().Close(); + event->Close(); + }); + + // Register the event. + KEvent::Register(system.Kernel(), event); + + // Add the readable event to the handle table. + R_TRY(handle_table.Add(out_event_handle, std::addressof(event->GetReadableEvent()))); + + // Ensure that if we fail to send the request, we close the readable handle. + ON_RESULT_FAILURE { + handle_table.Remove(*out_event_handle); + }; + + // Send the async request. + R_RETURN(session->SendAsyncRequest(event, message, buffer_size)); +} + +Result ReplyAndReceive(Core::System& system, s32* out_index, uint64_t handles, s32 num_handles, + Handle reply_target, s64 timeout_ns) { + R_RETURN(ReplyAndReceiveImpl(system.Kernel(), out_index, 0, 0, 0, handles, num_handles, + reply_target, timeout_ns)); +} + +Result ReplyAndReceiveWithUserBuffer(Core::System& system, int32_t* out_index, uint64_t message, + uint64_t buffer_size, uint64_t handles, int32_t num_handles, + Handle reply_target, int64_t timeout_ns) { + // Validate that the message buffer is page aligned and does not overflow. + R_UNLESS(Common::IsAligned(message, PageSize), ResultInvalidAddress); + R_UNLESS(buffer_size > 0, ResultInvalidSize); + R_UNLESS(Common::IsAligned(buffer_size, PageSize), ResultInvalidSize); + R_UNLESS(message < message + buffer_size, ResultInvalidCurrentMemory); + + // Get the process page table. + auto& page_table = GetCurrentProcess(system.Kernel()).GetPageTable(); + + // Lock the message buffer, getting its physical address. + KPhysicalAddress message_paddr; + R_TRY(page_table.LockForIpcUserBuffer(std::addressof(message_paddr), message, buffer_size)); + + { + // If we fail to send the message, unlock the message buffer. + ON_RESULT_FAILURE { + page_table.UnlockForIpcUserBuffer(message, buffer_size); + }; + + // Reply/Receive the request. + ASSERT(message != 0); + R_TRY(ReplyAndReceiveImpl(system.Kernel(), out_index, message, buffer_size, message_paddr, + handles, num_handles, reply_target, timeout_ns)); + } + + // We successfully processed, so try to unlock the message buffer. + R_RETURN(page_table.UnlockForIpcUserBuffer(message, buffer_size)); } Result SendSyncRequest64(Core::System& system, Handle session_handle) { diff --git a/src/core/hle/kernel/svc/svc_light_ipc.cpp b/src/core/hle/kernel/svc/svc_light_ipc.cpp index d757d5af2..4772cbda1 100755 --- a/src/core/hle/kernel/svc/svc_light_ipc.cpp +++ b/src/core/hle/kernel/svc/svc_light_ipc.cpp @@ -1,21 +1,40 @@ // SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later -#include "core/arm/arm_interface.h" #include "core/core.h" +#include "core/hle/kernel/k_light_client_session.h" +#include "core/hle/kernel/k_light_server_session.h" +#include "core/hle/kernel/k_process.h" +#include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/svc.h" #include "core/hle/kernel/svc_results.h" namespace Kernel::Svc { Result SendSyncRequestLight(Core::System& system, Handle session_handle, u32* args) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); + // Get the light client session from its handle. + KScopedAutoObject session = GetCurrentProcess(system.Kernel()) + .GetHandleTable() + .GetObject(session_handle); + R_UNLESS(session.IsNotNull(), ResultInvalidHandle); + + // Send the request. + R_TRY(session->SendSyncRequest(args)); + + R_SUCCEED(); } Result ReplyAndReceiveLight(Core::System& system, Handle session_handle, u32* args) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); + // Get the light server session from its handle. + KScopedAutoObject session = GetCurrentProcess(system.Kernel()) + .GetHandleTable() + .GetObject(session_handle); + R_UNLESS(session.IsNotNull(), ResultInvalidHandle); + + // Handle the request. + R_TRY(session->ReplyAndReceive(args)); + + R_SUCCEED(); } Result SendSyncRequestLight64(Core::System& system, Handle session_handle, u32* args) { diff --git a/src/core/hle/kernel/svc/svc_port.cpp b/src/core/hle/kernel/svc/svc_port.cpp index abba757c7..737749f7d 100755 --- a/src/core/hle/kernel/svc/svc_port.cpp +++ b/src/core/hle/kernel/svc/svc_port.cpp @@ -5,6 +5,7 @@ #include "core/core.h" #include "core/hle/kernel/k_client_port.h" #include "core/hle/kernel/k_client_session.h" +#include "core/hle/kernel/k_light_client_session.h" #include "core/hle/kernel/k_object_name.h" #include "core/hle/kernel/k_port.h" #include "core/hle/kernel/k_process.h" @@ -51,13 +52,73 @@ Result ConnectToNamedPort(Core::System& system, Handle* out, u64 user_name) { Result CreatePort(Core::System& system, Handle* out_server, Handle* out_client, int32_t max_sessions, bool is_light, uint64_t name) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); + auto& kernel = system.Kernel(); + + // Ensure max sessions is valid. + R_UNLESS(max_sessions > 0, ResultOutOfRange); + + // Get the current handle table. + auto& handle_table = GetCurrentProcess(kernel).GetHandleTable(); + + // Create a new port. + KPort* port = KPort::Create(kernel); + R_UNLESS(port != nullptr, ResultOutOfResource); + + // Initialize the port. + port->Initialize(max_sessions, is_light, name); + + // Ensure that we clean up the port (and its only references are handle table) on function end. + SCOPE_EXIT({ + port->GetServerPort().Close(); + port->GetClientPort().Close(); + }); + + // Register the port. + KPort::Register(kernel, port); + + // Add the client to the handle table. + R_TRY(handle_table.Add(out_client, std::addressof(port->GetClientPort()))); + + // Ensure that we maintain a clean handle state on exit. + ON_RESULT_FAILURE { + handle_table.Remove(*out_client); + }; + + // Add the server to the handle table. + R_RETURN(handle_table.Add(out_server, std::addressof(port->GetServerPort()))); } -Result ConnectToPort(Core::System& system, Handle* out_handle, Handle port) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); +Result ConnectToPort(Core::System& system, Handle* out, Handle port) { + // Get the current handle table. + auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable(); + + // Get the client port. + KScopedAutoObject client_port = handle_table.GetObject(port); + R_UNLESS(client_port.IsNotNull(), ResultInvalidHandle); + + // Reserve a handle for the port. + // NOTE: Nintendo really does write directly to the output handle here. + R_TRY(handle_table.Reserve(out)); + ON_RESULT_FAILURE { + handle_table.Unreserve(*out); + }; + + // Create the session. + KAutoObject* session; + if (client_port->IsLight()) { + R_TRY(client_port->CreateLightSession( + reinterpret_cast(std::addressof(session)))); + } else { + R_TRY(client_port->CreateSession( + reinterpret_cast(std::addressof(session)))); + } + + // Register the session. + handle_table.Register(*out, session); + session->Close(); + + // We succeeded. + R_SUCCEED(); } Result ManageNamedPort(Core::System& system, Handle* out_server_handle, uint64_t user_name, diff --git a/src/core/hle/kernel/svc/svc_session.cpp b/src/core/hle/kernel/svc/svc_session.cpp index 01b8a52ad..2f5905f32 100755 --- a/src/core/hle/kernel/svc/svc_session.cpp +++ b/src/core/hle/kernel/svc/svc_session.cpp @@ -3,8 +3,10 @@ #include "common/scope_exit.h" #include "core/core.h" +#include "core/hle/kernel/k_light_session.h" #include "core/hle/kernel/k_process.h" #include "core/hle/kernel/k_scoped_resource_reservation.h" +#include "core/hle/kernel/k_server_port.h" #include "core/hle/kernel/k_session.h" #include "core/hle/kernel/svc.h" @@ -20,7 +22,7 @@ Result CreateSession(Core::System& system, Handle* out_server, Handle* out_clien T* session; // Reserve a new session from the process resource limit. - // FIXME: LimitableResource_SessionCountMax + // TODO: Dynamic resource limits KScopedResourceReservation session_reservation(std::addressof(process), LimitableResource::SessionCountMax); if (session_reservation.Succeeded()) { @@ -92,16 +94,42 @@ Result CreateSession(Core::System& system, Handle* out_server, Handle* out_clien Result CreateSession(Core::System& system, Handle* out_server, Handle* out_client, bool is_light, u64 name) { if (is_light) { - // return CreateSession(system, out_server, out_client, name); - R_THROW(ResultNotImplemented); + R_RETURN(CreateSession(system, out_server, out_client, name)); } else { R_RETURN(CreateSession(system, out_server, out_client, name)); } } -Result AcceptSession(Core::System& system, Handle* out_handle, Handle port_handle) { - UNIMPLEMENTED(); - R_THROW(ResultNotImplemented); +Result AcceptSession(Core::System& system, Handle* out, Handle port_handle) { + // Get the current handle table. + auto& handle_table = GetCurrentProcess(system.Kernel()).GetHandleTable(); + + // Get the server port. + KScopedAutoObject port = handle_table.GetObject(port_handle); + R_UNLESS(port.IsNotNull(), ResultInvalidHandle); + + // Reserve an entry for the new session. + R_TRY(handle_table.Reserve(out)); + ON_RESULT_FAILURE { + handle_table.Unreserve(*out); + }; + + // Accept the session. + KAutoObject* session; + if (port->IsLight()) { + session = port->AcceptLightSession(); + } else { + session = port->AcceptSession(); + } + + // Ensure we accepted successfully. + R_UNLESS(session != nullptr, ResultNotFound); + + // Register the session. + handle_table.Register(*out, session); + session->Close(); + + R_SUCCEED(); } Result CreateSession64(Core::System& system, Handle* out_server_session_handle, diff --git a/src/core/hle/service/sm/sm.cpp b/src/core/hle/service/sm/sm.cpp index 43949dc1f..dd540758f 100755 --- a/src/core/hle/service/sm/sm.cpp +++ b/src/core/hle/service/sm/sm.cpp @@ -192,8 +192,6 @@ Result SM::GetServiceImpl(Kernel::KClientSession** out_client_session, HLEReques return result; } - LOG_DEBUG(Service_SM, "called service={} -> session={}", name, session->GetId()); - *out_client_session = session; return ResultSuccess; }