Merge pull request #12299 from liamwhite/light-ipc
kernel: implement light IPC
This commit is contained in:
commit
988e557ec8
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@ -251,10 +251,16 @@ add_library(core STATIC
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hle/kernel/k_hardware_timer.h
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hle/kernel/k_interrupt_manager.cpp
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hle/kernel/k_interrupt_manager.h
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hle/kernel/k_light_client_session.cpp
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hle/kernel/k_light_client_session.h
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hle/kernel/k_light_condition_variable.cpp
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hle/kernel/k_light_condition_variable.h
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hle/kernel/k_light_lock.cpp
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hle/kernel/k_light_lock.h
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hle/kernel/k_light_server_session.cpp
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hle/kernel/k_light_server_session.h
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hle/kernel/k_light_session.cpp
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hle/kernel/k_light_session.h
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hle/kernel/k_memory_block.h
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hle/kernel/k_memory_block_manager.cpp
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hle/kernel/k_memory_block_manager.h
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@ -3,6 +3,7 @@
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#include "common/scope_exit.h"
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#include "core/hle/kernel/k_client_port.h"
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#include "core/hle/kernel/k_light_session.h"
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#include "core/hle/kernel/k_port.h"
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#include "core/hle/kernel/k_scheduler.h"
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#include "core/hle/kernel/k_scoped_resource_reservation.h"
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@ -63,6 +64,7 @@ Result KClientPort::CreateSession(KClientSession** out) {
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R_UNLESS(session_reservation.Succeeded(), ResultLimitReached);
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// Allocate a session normally.
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// TODO: Dynamic resource limits
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session = KSession::Create(m_kernel);
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// Check that we successfully created a session.
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@ -119,4 +121,71 @@ Result KClientPort::CreateSession(KClientSession** out) {
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R_SUCCEED();
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}
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Result KClientPort::CreateLightSession(KLightClientSession** out) {
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// Declare the session we're going to allocate.
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KLightSession* session{};
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// Reserve a new session from the resource limit.
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KScopedResourceReservation session_reservation(GetCurrentProcessPointer(m_kernel),
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Svc::LimitableResource::SessionCountMax);
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R_UNLESS(session_reservation.Succeeded(), ResultLimitReached);
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// Allocate a session normally.
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// TODO: Dynamic resource limits
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session = KLightSession::Create(m_kernel);
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// Check that we successfully created a session.
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R_UNLESS(session != nullptr, ResultOutOfResource);
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// Update the session counts.
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{
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ON_RESULT_FAILURE {
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session->Close();
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};
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// Atomically increment the number of sessions.
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s32 new_sessions;
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{
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const auto max = m_max_sessions;
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auto cur_sessions = m_num_sessions.load(std::memory_order_acquire);
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do {
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R_UNLESS(cur_sessions < max, ResultOutOfSessions);
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new_sessions = cur_sessions + 1;
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} while (!m_num_sessions.compare_exchange_weak(cur_sessions, new_sessions,
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std::memory_order_relaxed));
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}
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// Atomically update the peak session tracking.
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{
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auto peak = m_peak_sessions.load(std::memory_order_acquire);
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do {
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if (peak >= new_sessions) {
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break;
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}
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} while (!m_peak_sessions.compare_exchange_weak(peak, new_sessions,
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std::memory_order_relaxed));
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}
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}
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// Initialize the session.
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session->Initialize(this, m_parent->GetName());
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// Commit the session reservation.
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session_reservation.Commit();
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// Register the session.
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KLightSession::Register(m_kernel, session);
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ON_RESULT_FAILURE {
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session->GetClientSession().Close();
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session->GetServerSession().Close();
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};
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// Enqueue the session with our parent.
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R_TRY(m_parent->EnqueueSession(std::addressof(session->GetServerSession())));
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// We succeeded, so set the output.
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*out = std::addressof(session->GetClientSession());
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R_SUCCEED();
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}
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} // namespace Kernel
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@ -11,6 +11,7 @@
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namespace Kernel {
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class KLightClientSession;
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class KClientSession;
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class KernelCore;
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class KPort;
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@ -51,6 +52,7 @@ public:
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bool IsSignaled() const override;
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Result CreateSession(KClientSession** out);
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Result CreateLightSession(KLightClientSession** out);
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private:
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std::atomic<s32> m_num_sessions{};
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@ -0,0 +1,31 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hle/kernel/k_light_client_session.h"
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#include "core/hle/kernel/k_light_session.h"
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#include "core/hle/kernel/k_thread.h"
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namespace Kernel {
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KLightClientSession::KLightClientSession(KernelCore& kernel) : KAutoObject(kernel) {}
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KLightClientSession::~KLightClientSession() = default;
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void KLightClientSession::Destroy() {
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m_parent->OnClientClosed();
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}
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void KLightClientSession::OnServerClosed() {}
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Result KLightClientSession::SendSyncRequest(u32* data) {
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// Get the request thread.
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KThread* cur_thread = GetCurrentThreadPointer(m_kernel);
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// Set the light data.
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cur_thread->SetLightSessionData(data);
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// Send the request.
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R_RETURN(m_parent->OnRequest(cur_thread));
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}
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} // namespace Kernel
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@ -0,0 +1,39 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include "core/hle/kernel/k_auto_object.h"
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#include "core/hle/result.h"
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namespace Kernel {
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class KLightSession;
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class KLightClientSession final : public KAutoObject {
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KERNEL_AUTOOBJECT_TRAITS(KLightClientSession, KAutoObject);
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public:
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explicit KLightClientSession(KernelCore& kernel);
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~KLightClientSession();
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void Initialize(KLightSession* parent) {
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// Set member variables.
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m_parent = parent;
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}
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virtual void Destroy() override;
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const KLightSession* GetParent() const {
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return m_parent;
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}
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Result SendSyncRequest(u32* data);
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void OnServerClosed();
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private:
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KLightSession* m_parent;
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};
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} // namespace Kernel
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@ -0,0 +1,247 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/hle/kernel/k_light_server_session.h"
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#include "core/hle/kernel/k_light_session.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/kernel/k_thread_queue.h"
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#include "core/hle/kernel/svc_results.h"
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namespace Kernel {
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namespace {
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constexpr u64 InvalidThreadId = std::numeric_limits<u64>::max();
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class ThreadQueueImplForKLightServerSessionRequest final : public KThreadQueue {
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private:
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KThread::WaiterList* m_wait_list;
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public:
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ThreadQueueImplForKLightServerSessionRequest(KernelCore& kernel, KThread::WaiterList* wl)
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: KThreadQueue(kernel), m_wait_list(wl) {}
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virtual void EndWait(KThread* waiting_thread, Result wait_result) override {
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// Remove the thread from our wait list.
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m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread));
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// Invoke the base end wait handler.
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KThreadQueue::EndWait(waiting_thread, wait_result);
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}
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virtual void CancelWait(KThread* waiting_thread, Result wait_result,
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bool cancel_timer_task) override {
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// Remove the thread from our wait list.
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m_wait_list->erase(m_wait_list->iterator_to(*waiting_thread));
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// Invoke the base cancel wait handler.
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KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
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}
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};
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class ThreadQueueImplForKLightServerSessionReceive final : public KThreadQueue {
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private:
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KThread** m_server_thread;
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public:
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ThreadQueueImplForKLightServerSessionReceive(KernelCore& kernel, KThread** st)
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: KThreadQueue(kernel), m_server_thread(st) {}
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virtual void EndWait(KThread* waiting_thread, Result wait_result) override {
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// Clear the server thread.
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*m_server_thread = nullptr;
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// Set the waiting thread as not cancelable.
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waiting_thread->ClearCancellable();
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// Invoke the base end wait handler.
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KThreadQueue::EndWait(waiting_thread, wait_result);
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}
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virtual void CancelWait(KThread* waiting_thread, Result wait_result,
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bool cancel_timer_task) override {
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// Clear the server thread.
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*m_server_thread = nullptr;
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// Set the waiting thread as not cancelable.
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waiting_thread->ClearCancellable();
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// Invoke the base cancel wait handler.
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KThreadQueue::CancelWait(waiting_thread, wait_result, cancel_timer_task);
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}
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};
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} // namespace
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KLightServerSession::KLightServerSession(KernelCore& kernel) : KAutoObject(kernel) {}
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KLightServerSession::~KLightServerSession() = default;
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void KLightServerSession::Destroy() {
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this->CleanupRequests();
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m_parent->OnServerClosed();
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}
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void KLightServerSession::OnClientClosed() {
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this->CleanupRequests();
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}
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Result KLightServerSession::OnRequest(KThread* request_thread) {
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ThreadQueueImplForKLightServerSessionRequest wait_queue(m_kernel,
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std::addressof(m_request_list));
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// Send the request.
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{
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// Lock the scheduler.
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KScopedSchedulerLock sl(m_kernel);
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// Check that the server isn't closed.
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R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed);
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// Check that the request thread isn't terminating.
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R_UNLESS(!request_thread->IsTerminationRequested(), ResultTerminationRequested);
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// Add the request thread to our list.
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m_request_list.push_back(*request_thread);
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// Begin waiting on the request.
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request_thread->SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
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request_thread->BeginWait(std::addressof(wait_queue));
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// If we have a server thread, end its wait.
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if (m_server_thread != nullptr) {
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m_server_thread->EndWait(ResultSuccess);
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}
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}
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// NOTE: Nintendo returns GetCurrentThread().GetWaitResult() here.
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// This is technically incorrect, although it doesn't cause problems in practice
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// because this is only ever called with request_thread = GetCurrentThreadPointer().
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R_RETURN(request_thread->GetWaitResult());
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}
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Result KLightServerSession::ReplyAndReceive(u32* data) {
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// Set the server context.
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GetCurrentThread(m_kernel).SetLightSessionData(data);
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// Reply, if we need to.
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if (data[0] & KLightSession::ReplyFlag) {
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KScopedSchedulerLock sl(m_kernel);
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// Check that we're open.
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R_UNLESS(!m_parent->IsClientClosed(), ResultSessionClosed);
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R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed);
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// Check that we have a request to reply to.
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R_UNLESS(m_current_request != nullptr, ResultInvalidState);
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// Check that the server thread id is correct.
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R_UNLESS(m_server_thread_id == GetCurrentThread(m_kernel).GetId(), ResultInvalidState);
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// If we can reply, do so.
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if (!m_current_request->IsTerminationRequested()) {
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std::memcpy(m_current_request->GetLightSessionData(),
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GetCurrentThread(m_kernel).GetLightSessionData(), KLightSession::DataSize);
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m_current_request->EndWait(ResultSuccess);
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}
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// Close our current request.
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m_current_request->Close();
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// Clear our current request.
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m_current_request = nullptr;
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m_server_thread_id = InvalidThreadId;
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}
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// Create the wait queue for our receive.
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ThreadQueueImplForKLightServerSessionReceive wait_queue(m_kernel,
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std::addressof(m_server_thread));
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// Receive.
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while (true) {
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// Try to receive a request.
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{
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KScopedSchedulerLock sl(m_kernel);
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// Check that we aren't already receiving.
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R_UNLESS(m_server_thread == nullptr, ResultInvalidState);
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R_UNLESS(m_server_thread_id == InvalidThreadId, ResultInvalidState);
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// Check that we're open.
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R_UNLESS(!m_parent->IsClientClosed(), ResultSessionClosed);
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R_UNLESS(!m_parent->IsServerClosed(), ResultSessionClosed);
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// Check that we're not terminating.
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R_UNLESS(!GetCurrentThread(m_kernel).IsTerminationRequested(),
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ResultTerminationRequested);
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// If we have a request available, use it.
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if (auto head = m_request_list.begin(); head != m_request_list.end()) {
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// Set our current request.
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m_current_request = std::addressof(*head);
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m_current_request->Open();
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// Set our server thread id.
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m_server_thread_id = GetCurrentThread(m_kernel).GetId();
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// Copy the client request data.
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std::memcpy(GetCurrentThread(m_kernel).GetLightSessionData(),
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m_current_request->GetLightSessionData(), KLightSession::DataSize);
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// We successfully received.
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R_SUCCEED();
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}
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// We need to wait for a request to come in.
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// Check if we were cancelled.
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if (GetCurrentThread(m_kernel).IsWaitCancelled()) {
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GetCurrentThread(m_kernel).ClearWaitCancelled();
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R_THROW(ResultCancelled);
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}
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// Mark ourselves as cancellable.
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GetCurrentThread(m_kernel).SetCancellable();
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// Wait for a request to come in.
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m_server_thread = GetCurrentThreadPointer(m_kernel);
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GetCurrentThread(m_kernel).SetWaitReasonForDebugging(ThreadWaitReasonForDebugging::IPC);
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GetCurrentThread(m_kernel).BeginWait(std::addressof(wait_queue));
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}
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// We waited to receive a request; if our wait failed, return the failing result.
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R_TRY(GetCurrentThread(m_kernel).GetWaitResult());
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}
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}
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void KLightServerSession::CleanupRequests() {
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// Cleanup all pending requests.
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{
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KScopedSchedulerLock sl(m_kernel);
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// Handle the current request.
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if (m_current_request != nullptr) {
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// Reply to the current request.
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if (!m_current_request->IsTerminationRequested()) {
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m_current_request->EndWait(ResultSessionClosed);
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}
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// Clear our current request.
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m_current_request->Close();
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m_current_request = nullptr;
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m_server_thread_id = InvalidThreadId;
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}
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// Reply to all other requests.
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for (auto& thread : m_request_list) {
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thread.EndWait(ResultSessionClosed);
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}
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// Wait up our server thread, if we have one.
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if (m_server_thread != nullptr) {
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m_server_thread->EndWait(ResultSessionClosed);
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}
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}
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}
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} // namespace Kernel
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@ -0,0 +1,49 @@
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// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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|
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#pragma once
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|
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#include "core/hle/kernel/k_auto_object.h"
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#include "core/hle/kernel/k_thread.h"
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#include "core/hle/result.h"
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namespace Kernel {
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|
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class KLightSession;
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class KLightServerSession final : public KAutoObject,
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public Common::IntrusiveListBaseNode<KLightServerSession> {
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KERNEL_AUTOOBJECT_TRAITS(KLightServerSession, KAutoObject);
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private:
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KLightSession* m_parent{};
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KThread::WaiterList m_request_list{};
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KThread* m_current_request{};
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u64 m_server_thread_id{std::numeric_limits<u64>::max()};
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KThread* m_server_thread{};
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public:
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explicit KLightServerSession(KernelCore& kernel);
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~KLightServerSession();
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|
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void Initialize(KLightSession* parent) {
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// Set member variables. */
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m_parent = parent;
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}
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virtual void Destroy() override;
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||||
|
||||
constexpr const KLightSession* GetParent() const {
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return m_parent;
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}
|
||||
|
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Result OnRequest(KThread* request_thread);
|
||||
Result ReplyAndReceive(u32* data);
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||||
|
||||
void OnClientClosed();
|
||||
|
||||
private:
|
||||
void CleanupRequests();
|
||||
};
|
||||
|
||||
} // namespace Kernel
|
|
@ -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<KProcess*>(arg);
|
||||
owner->ReleaseResource(Svc::LimitableResource::SessionCountMax, 1);
|
||||
owner->Close();
|
||||
}
|
||||
|
||||
} // namespace Kernel
|
|
@ -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<KLightSession, KAutoObjectWithList> {
|
||||
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<uintptr_t>(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
|
|
@ -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
|
||||
|
|
|
@ -13,6 +13,7 @@
|
|||
|
||||
namespace Kernel {
|
||||
|
||||
class KLightServerSession;
|
||||
class KServerSession;
|
||||
|
||||
class KPort final : public KAutoObjectWithSlabHeapAndContainer<KPort, KAutoObjectWithList> {
|
||||
|
@ -38,6 +39,7 @@ public:
|
|||
bool IsServerClosed() const;
|
||||
|
||||
Result EnqueueSession(KServerSession* session);
|
||||
Result EnqueueSession(KLightServerSession* session);
|
||||
|
||||
KClientPort& GetClientPort() {
|
||||
return m_client;
|
||||
|
|
|
@ -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
|
||||
|
|
|
@ -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<KServerSession>::ListType;
|
||||
using LightSessionList = Common::IntrusiveListBaseTraits<KLightServerSession>::ListType;
|
||||
|
||||
void CleanupSessions();
|
||||
|
||||
SessionList m_session_list{};
|
||||
LightSessionList m_light_session_list{};
|
||||
KPort* m_parent{};
|
||||
};
|
||||
|
||||
|
|
|
@ -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;
|
||||
}
|
||||
|
|
|
@ -1340,6 +1340,7 @@ struct KernelCore::SlabHeapContainer {
|
|||
KSlabHeap<KProcess> process;
|
||||
KSlabHeap<KResourceLimit> resource_limit;
|
||||
KSlabHeap<KSession> session;
|
||||
KSlabHeap<KLightSession> light_session;
|
||||
KSlabHeap<KSharedMemory> shared_memory;
|
||||
KSlabHeap<KSharedMemoryInfo> shared_memory_info;
|
||||
KSlabHeap<KThread> thread;
|
||||
|
@ -1370,6 +1371,8 @@ KSlabHeap<T>& KernelCore::SlabHeap() {
|
|||
return slab_heap_container->resource_limit;
|
||||
} else if constexpr (std::is_same_v<T, KSession>) {
|
||||
return slab_heap_container->session;
|
||||
} else if constexpr (std::is_same_v<T, KLightSession>) {
|
||||
return slab_heap_container->light_session;
|
||||
} else if constexpr (std::is_same_v<T, KSharedMemory>) {
|
||||
return slab_heap_container->shared_memory;
|
||||
} else if constexpr (std::is_same_v<T, KSharedMemoryInfo>) {
|
||||
|
@ -1407,6 +1410,7 @@ template KSlabHeap<KPort>& KernelCore::SlabHeap();
|
|||
template KSlabHeap<KProcess>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KResourceLimit>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KSession>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KLightSession>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KSharedMemory>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KSharedMemoryInfo>& KernelCore::SlabHeap();
|
||||
template KSlabHeap<KThread>& KernelCore::SlabHeap();
|
||||
|
|
|
@ -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<KLightClientSession>(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<KLightServerSession>(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) {
|
||||
|
|
|
@ -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<KClientPort>(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<KLightClientSession**>(std::addressof(session))));
|
||||
} else {
|
||||
R_TRY(client_port->CreateSession(
|
||||
reinterpret_cast<KClientSession**>(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,
|
||||
|
|
|
@ -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<KLightSession>(system, out_server, out_client, name);
|
||||
R_THROW(ResultNotImplemented);
|
||||
R_RETURN(CreateSession<KLightSession>(system, out_server, out_client, name));
|
||||
} else {
|
||||
R_RETURN(CreateSession<KSession>(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<KServerPort>(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,
|
||||
|
|
Reference in New Issue