diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/k_memory_block_manager.cpp | 4 | ||||
-rw-r--r-- | src/core/hle/kernel/k_memory_block_manager.h | 4 | ||||
-rw-r--r-- | src/core/hle/kernel/k_page_table_base.cpp | 34 | ||||
-rw-r--r-- | src/core/hle/kernel/k_page_table_base.h | 1 | ||||
-rw-r--r-- | src/core/hle/kernel/k_process.cpp | 6 | ||||
-rw-r--r-- | src/core/hle/kernel/kernel.cpp | 31 | ||||
-rw-r--r-- | src/core/hle/kernel/kernel.h | 6 | ||||
-rw-r--r-- | src/core/hle/kernel/svc/svc_process.cpp | 8 |
8 files changed, 79 insertions, 15 deletions
diff --git a/src/core/hle/kernel/k_memory_block_manager.cpp b/src/core/hle/kernel/k_memory_block_manager.cpp index 58a1e7216..f08a6e448 100644 --- a/src/core/hle/kernel/k_memory_block_manager.cpp +++ b/src/core/hle/kernel/k_memory_block_manager.cpp @@ -28,14 +28,14 @@ Result KMemoryBlockManager::Initialize(KProcessAddress st, KProcessAddress nd, } void KMemoryBlockManager::Finalize(KMemoryBlockSlabManager* slab_manager, - HostUnmapCallback&& host_unmap_callback) { + BlockCallback&& block_callback) { // Erase every block until we have none left. auto it = m_memory_block_tree.begin(); while (it != m_memory_block_tree.end()) { KMemoryBlock* block = std::addressof(*it); it = m_memory_block_tree.erase(it); + block_callback(block->GetAddress(), block->GetSize()); slab_manager->Free(block); - host_unmap_callback(block->GetAddress(), block->GetSize()); } ASSERT(m_memory_block_tree.empty()); diff --git a/src/core/hle/kernel/k_memory_block_manager.h b/src/core/hle/kernel/k_memory_block_manager.h index cb7b6f430..377628504 100644 --- a/src/core/hle/kernel/k_memory_block_manager.h +++ b/src/core/hle/kernel/k_memory_block_manager.h @@ -85,11 +85,11 @@ public: public: KMemoryBlockManager(); - using HostUnmapCallback = std::function<void(Common::ProcessAddress, u64)>; + using BlockCallback = std::function<void(Common::ProcessAddress, u64)>; Result Initialize(KProcessAddress st, KProcessAddress nd, KMemoryBlockSlabManager* slab_manager); - void Finalize(KMemoryBlockSlabManager* slab_manager, HostUnmapCallback&& host_unmap_callback); + void Finalize(KMemoryBlockSlabManager* slab_manager, BlockCallback&& block_callback); iterator end() { return m_memory_block_tree.end(); diff --git a/src/core/hle/kernel/k_page_table_base.cpp b/src/core/hle/kernel/k_page_table_base.cpp index 73fbda331..3f0a39d33 100644 --- a/src/core/hle/kernel/k_page_table_base.cpp +++ b/src/core/hle/kernel/k_page_table_base.cpp @@ -431,15 +431,43 @@ Result KPageTableBase::InitializeForProcess(Svc::CreateProcessFlag as_type, bool m_memory_block_slab_manager)); } +Result KPageTableBase::FinalizeProcess() { + // Only process tables should be finalized. + ASSERT(!this->IsKernel()); + + // NOTE: Here Nintendo calls an unknown OnFinalize function. + // this->OnFinalize(); + + // NOTE: Here Nintendo calls a second unknown OnFinalize function. + // this->OnFinalize2(); + + // NOTE: Here Nintendo does a page table walk to discover heap pages to free. + // We will use the block manager finalization below to free them. + + R_SUCCEED(); +} + void KPageTableBase::Finalize() { - auto HostUnmapCallback = [&](KProcessAddress addr, u64 size) { - if (Settings::IsFastmemEnabled()) { + this->FinalizeProcess(); + + auto BlockCallback = [&](KProcessAddress addr, u64 size) { + if (m_impl->fastmem_arena) { m_system.DeviceMemory().buffer.Unmap(GetInteger(addr), size, false); } + + // Get physical pages. + KPageGroup pg(m_kernel, m_block_info_manager); + this->MakePageGroup(pg, addr, size / PageSize); + + // Free the pages. + pg.CloseAndReset(); }; // Finalize memory blocks. - m_memory_block_manager.Finalize(m_memory_block_slab_manager, std::move(HostUnmapCallback)); + { + KScopedLightLock lk(m_general_lock); + m_memory_block_manager.Finalize(m_memory_block_slab_manager, std::move(BlockCallback)); + } // Free any unsafe mapped memory. if (m_mapped_unsafe_physical_memory) { diff --git a/src/core/hle/kernel/k_page_table_base.h b/src/core/hle/kernel/k_page_table_base.h index 077cafc96..748419f86 100644 --- a/src/core/hle/kernel/k_page_table_base.h +++ b/src/core/hle/kernel/k_page_table_base.h @@ -241,6 +241,7 @@ public: KResourceLimit* resource_limit, Core::Memory::Memory& memory, KProcessAddress aslr_space_start); + Result FinalizeProcess(); void Finalize(); bool IsKernel() const { diff --git a/src/core/hle/kernel/k_process.cpp b/src/core/hle/kernel/k_process.cpp index 8839ddbc2..53735a225 100644 --- a/src/core/hle/kernel/k_process.cpp +++ b/src/core/hle/kernel/k_process.cpp @@ -171,6 +171,12 @@ void KProcess::Finalize() { m_resource_limit->Close(); } + // Clear expensive resources, as the destructor is not called for guest objects. + for (auto& interface : m_arm_interfaces) { + interface.reset(); + } + m_exclusive_monitor.reset(); + // Perform inherited finalization. KSynchronizationObject::Finalize(); } diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 1030f0c12..f3683cdcc 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -112,7 +112,14 @@ struct KernelCore::Impl { old_process->Close(); } - process_list.clear(); + { + std::scoped_lock lk{process_list_lock}; + for (auto* const process : process_list) { + process->Terminate(); + process->Close(); + } + process_list.clear(); + } next_object_id = 0; next_kernel_process_id = KProcess::InitialProcessIdMin; @@ -770,6 +777,7 @@ struct KernelCore::Impl { std::atomic<u64> next_thread_id{1}; // Lists all processes that exist in the current session. + std::mutex process_list_lock; std::vector<KProcess*> process_list; std::atomic<KProcess*> application_process{}; std::unique_ptr<Kernel::GlobalSchedulerContext> global_scheduler_context; @@ -869,9 +877,19 @@ KResourceLimit* KernelCore::GetSystemResourceLimit() { } void KernelCore::AppendNewProcess(KProcess* process) { + process->Open(); + + std::scoped_lock lk{impl->process_list_lock}; impl->process_list.push_back(process); } +void KernelCore::RemoveProcess(KProcess* process) { + std::scoped_lock lk{impl->process_list_lock}; + if (std::erase(impl->process_list, process)) { + process->Close(); + } +} + void KernelCore::MakeApplicationProcess(KProcess* process) { impl->MakeApplicationProcess(process); } @@ -884,8 +902,15 @@ const KProcess* KernelCore::ApplicationProcess() const { return impl->application_process; } -const std::vector<KProcess*>& KernelCore::GetProcessList() const { - return impl->process_list; +std::list<KScopedAutoObject<KProcess>> KernelCore::GetProcessList() { + std::list<KScopedAutoObject<KProcess>> processes; + std::scoped_lock lk{impl->process_list_lock}; + + for (auto* const process : impl->process_list) { + processes.emplace_back(process); + } + + return processes; } Kernel::GlobalSchedulerContext& KernelCore::GlobalSchedulerContext() { diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 5d4102145..8ea5bed1c 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -5,6 +5,7 @@ #include <array> #include <functional> +#include <list> #include <memory> #include <string> #include <unordered_map> @@ -116,8 +117,9 @@ public: /// Retrieves a shared pointer to the system resource limit instance. KResourceLimit* GetSystemResourceLimit(); - /// Adds the given shared pointer to an internal list of active processes. + /// Adds/removes the given pointer to an internal list of active processes. void AppendNewProcess(KProcess* process); + void RemoveProcess(KProcess* process); /// Makes the given process the new application process. void MakeApplicationProcess(KProcess* process); @@ -129,7 +131,7 @@ public: const KProcess* ApplicationProcess() const; /// Retrieves the list of processes. - const std::vector<KProcess*>& GetProcessList() const; + std::list<KScopedAutoObject<KProcess>> GetProcessList(); /// Gets the sole instance of the global scheduler Kernel::GlobalSchedulerContext& GlobalSchedulerContext(); diff --git a/src/core/hle/kernel/svc/svc_process.cpp b/src/core/hle/kernel/svc/svc_process.cpp index caa8bee9a..5c3e8829f 100644 --- a/src/core/hle/kernel/svc/svc_process.cpp +++ b/src/core/hle/kernel/svc/svc_process.cpp @@ -74,13 +74,15 @@ Result GetProcessList(Core::System& system, s32* out_num_processes, u64 out_proc } auto& memory = GetCurrentMemory(kernel); - const auto& process_list = kernel.GetProcessList(); + auto process_list = kernel.GetProcessList(); + auto it = process_list.begin(); + const auto num_processes = process_list.size(); const auto copy_amount = std::min(static_cast<std::size_t>(out_process_ids_size), num_processes); - for (std::size_t i = 0; i < copy_amount; ++i) { - memory.Write64(out_process_ids, process_list[i]->GetProcessId()); + for (std::size_t i = 0; i < copy_amount && it != process_list.end(); ++i, ++it) { + memory.Write64(out_process_ids, (*it)->GetProcessId()); out_process_ids += sizeof(u64); } |