diff options
Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r-- | src/core/hle/kernel/handle_table.cpp | 5 | ||||
-rw-r--r-- | src/core/hle/kernel/handle_table.h | 1 | ||||
-rw-r--r-- | src/core/hle/kernel/kernel.cpp | 12 | ||||
-rw-r--r-- | src/core/hle/kernel/kernel.h | 4 | ||||
-rw-r--r-- | src/core/hle/kernel/object.cpp | 6 | ||||
-rw-r--r-- | src/core/hle/kernel/object.h | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/process.cpp | 49 | ||||
-rw-r--r-- | src/core/hle/kernel/process.h | 60 | ||||
-rw-r--r-- | src/core/hle/kernel/readable_event.cpp | 12 | ||||
-rw-r--r-- | src/core/hle/kernel/readable_event.h | 13 | ||||
-rw-r--r-- | src/core/hle/kernel/scheduler.cpp | 66 | ||||
-rw-r--r-- | src/core/hle/kernel/scheduler.h | 69 | ||||
-rw-r--r-- | src/core/hle/kernel/shared_memory.cpp | 14 | ||||
-rw-r--r-- | src/core/hle/kernel/shared_memory.h | 6 | ||||
-rw-r--r-- | src/core/hle/kernel/svc.cpp | 300 | ||||
-rw-r--r-- | src/core/hle/kernel/svc.h | 16 | ||||
-rw-r--r-- | src/core/hle/kernel/svc_wrap.h | 47 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.h | 5 | ||||
-rw-r--r-- | src/core/hle/kernel/vm_manager.cpp | 130 | ||||
-rw-r--r-- | src/core/hle/kernel/vm_manager.h | 317 | ||||
-rw-r--r-- | src/core/hle/kernel/writable_event.h | 2 |
22 files changed, 947 insertions, 193 deletions
diff --git a/src/core/hle/kernel/handle_table.cpp b/src/core/hle/kernel/handle_table.cpp index 1bf79b692..c8acde5b1 100644 --- a/src/core/hle/kernel/handle_table.cpp +++ b/src/core/hle/kernel/handle_table.cpp @@ -42,9 +42,10 @@ ResultVal<Handle> HandleTable::Create(SharedPtr<Object> obj) { u16 generation = next_generation++; // Overflow count so it fits in the 15 bits dedicated to the generation in the handle. - // CTR-OS doesn't use generation 0, so skip straight to 1. - if (next_generation >= (1 << 15)) + // Horizon OS uses zero to represent an invalid handle, so skip to 1. + if (next_generation >= (1 << 15)) { next_generation = 1; + } generations[slot] = generation; objects[slot] = std::move(obj); diff --git a/src/core/hle/kernel/handle_table.h b/src/core/hle/kernel/handle_table.h index e3f3e3fb8..6b7927fd8 100644 --- a/src/core/hle/kernel/handle_table.h +++ b/src/core/hle/kernel/handle_table.h @@ -13,6 +13,7 @@ namespace Kernel { enum KernelHandle : Handle { + InvalidHandle = 0, CurrentThread = 0xFFFF8000, CurrentProcess = 0xFFFF8001, }; diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index e441c5bc6..1c2290651 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -112,7 +112,7 @@ struct KernelCore::Impl { void Shutdown() { next_object_id = 0; - next_process_id = 10; + next_process_id = Process::ProcessIDMin; next_thread_id = 1; process_list.clear(); @@ -153,10 +153,8 @@ struct KernelCore::Impl { } std::atomic<u32> next_object_id{0}; - // TODO(Subv): Start the process ids from 10 for now, as lower PIDs are - // reserved for low-level services - std::atomic<u32> next_process_id{10}; - std::atomic<u32> next_thread_id{1}; + std::atomic<u64> next_process_id{Process::ProcessIDMin}; + std::atomic<u64> next_thread_id{1}; // Lists all processes that exist in the current session. std::vector<SharedPtr<Process>> process_list; @@ -242,11 +240,11 @@ u32 KernelCore::CreateNewObjectID() { return impl->next_object_id++; } -u32 KernelCore::CreateNewThreadID() { +u64 KernelCore::CreateNewThreadID() { return impl->next_thread_id++; } -u32 KernelCore::CreateNewProcessID() { +u64 KernelCore::CreateNewProcessID() { return impl->next_process_id++; } diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index ea00c89f5..58c9d108b 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -88,10 +88,10 @@ private: u32 CreateNewObjectID(); /// Creates a new process ID, incrementing the internal process ID counter; - u32 CreateNewProcessID(); + u64 CreateNewProcessID(); /// Creates a new thread ID, incrementing the internal thread ID counter. - u32 CreateNewThreadID(); + u64 CreateNewThreadID(); /// Creates a timer callback handle for the given timer. ResultVal<Handle> CreateTimerCallbackHandle(const SharedPtr<Timer>& timer); diff --git a/src/core/hle/kernel/object.cpp b/src/core/hle/kernel/object.cpp index d87a62bb9..806078638 100644 --- a/src/core/hle/kernel/object.cpp +++ b/src/core/hle/kernel/object.cpp @@ -13,16 +13,17 @@ Object::~Object() = default; bool Object::IsWaitable() const { switch (GetHandleType()) { - case HandleType::Event: + case HandleType::ReadableEvent: case HandleType::Thread: + case HandleType::Process: case HandleType::Timer: case HandleType::ServerPort: case HandleType::ServerSession: return true; case HandleType::Unknown: + case HandleType::WritableEvent: case HandleType::SharedMemory: - case HandleType::Process: case HandleType::AddressArbiter: case HandleType::ResourceLimit: case HandleType::ClientPort: @@ -31,6 +32,7 @@ bool Object::IsWaitable() const { } UNREACHABLE(); + return false; } } // namespace Kernel diff --git a/src/core/hle/kernel/object.h b/src/core/hle/kernel/object.h index 69082ce3e..f1606a204 100644 --- a/src/core/hle/kernel/object.h +++ b/src/core/hle/kernel/object.h @@ -19,7 +19,8 @@ using Handle = u32; enum class HandleType : u32 { Unknown, - Event, + WritableEvent, + ReadableEvent, SharedMemory, Thread, Process, diff --git a/src/core/hle/kernel/process.cpp b/src/core/hle/kernel/process.cpp index 7ca538401..5356a4a3f 100644 --- a/src/core/hle/kernel/process.cpp +++ b/src/core/hle/kernel/process.cpp @@ -9,6 +9,7 @@ #include "common/logging/log.h" #include "core/core.h" #include "core/file_sys/program_metadata.h" +#include "core/hle/kernel/errors.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/process.h" #include "core/hle/kernel/resource_limit.h" @@ -44,8 +45,28 @@ SharedPtr<Process> Process::Create(KernelCore& kernel, std::string&& name) { return process; } +SharedPtr<ResourceLimit> Process::GetResourceLimit() const { + return resource_limit; +} + +ResultCode Process::ClearSignalState() { + if (status == ProcessStatus::Exited) { + LOG_ERROR(Kernel, "called on a terminated process instance."); + return ERR_INVALID_STATE; + } + + if (!is_signaled) { + LOG_ERROR(Kernel, "called on a process instance that isn't signaled."); + return ERR_INVALID_STATE; + } + + is_signaled = false; + return RESULT_SUCCESS; +} + void Process::LoadFromMetadata(const FileSys::ProgramMetadata& metadata) { program_id = metadata.GetTitleID(); + ideal_processor = metadata.GetMainThreadCore(); is_64bit_process = metadata.Is64BitProgram(); vm_manager.Reset(metadata.GetAddressSpaceType()); } @@ -129,17 +150,17 @@ void Process::Run(VAddr entry_point, s32 main_thread_priority, u32 stack_size) { vm_manager .MapMemoryBlock(vm_manager.GetTLSIORegionEndAddress() - stack_size, std::make_shared<std::vector<u8>>(stack_size, 0), 0, stack_size, - MemoryState::Mapped) + MemoryState::Stack) .Unwrap(); vm_manager.LogLayout(); - status = ProcessStatus::Running; + ChangeStatus(ProcessStatus::Running); Kernel::SetupMainThread(kernel, entry_point, main_thread_priority, *this); } void Process::PrepareForTermination() { - status = ProcessStatus::Exited; + ChangeStatus(ProcessStatus::Exiting); const auto stop_threads = [this](const std::vector<SharedPtr<Thread>>& thread_list) { for (auto& thread : thread_list) { @@ -163,6 +184,8 @@ void Process::PrepareForTermination() { stop_threads(system.Scheduler(1).GetThreadList()); stop_threads(system.Scheduler(2).GetThreadList()); stop_threads(system.Scheduler(3).GetThreadList()); + + ChangeStatus(ProcessStatus::Exited); } /** @@ -261,7 +284,25 @@ ResultCode Process::UnmapMemory(VAddr dst_addr, VAddr /*src_addr*/, u64 size) { return vm_manager.UnmapRange(dst_addr, size); } -Kernel::Process::Process(KernelCore& kernel) : Object{kernel} {} +Kernel::Process::Process(KernelCore& kernel) : WaitObject{kernel} {} Kernel::Process::~Process() {} +void Process::Acquire(Thread* thread) { + ASSERT_MSG(!ShouldWait(thread), "Object unavailable!"); +} + +bool Process::ShouldWait(Thread* thread) const { + return !is_signaled; +} + +void Process::ChangeStatus(ProcessStatus new_status) { + if (status == new_status) { + return; + } + + status = new_status; + is_signaled = true; + WakeupAllWaitingThreads(); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/process.h b/src/core/hle/kernel/process.h index ada845c7f..7da367251 100644 --- a/src/core/hle/kernel/process.h +++ b/src/core/hle/kernel/process.h @@ -14,9 +14,10 @@ #include "common/bit_field.h" #include "common/common_types.h" #include "core/hle/kernel/handle_table.h" -#include "core/hle/kernel/object.h" #include "core/hle/kernel/thread.h" #include "core/hle/kernel/vm_manager.h" +#include "core/hle/kernel/wait_object.h" +#include "core/hle/result.h" namespace FileSys { class ProgramMetadata; @@ -117,8 +118,20 @@ struct CodeSet final { VAddr entrypoint = 0; }; -class Process final : public Object { +class Process final : public WaitObject { public: + enum : u64 { + /// Lowest allowed process ID for a kernel initial process. + InitialKIPIDMin = 1, + /// Highest allowed process ID for a kernel initial process. + InitialKIPIDMax = 80, + + /// Lowest allowed process ID for a userland process. + ProcessIDMin = 81, + /// Highest allowed process ID for a userland process. + ProcessIDMax = 0xFFFFFFFFFFFFFFFF, + }; + static constexpr std::size_t RANDOM_ENTROPY_SIZE = 4; static SharedPtr<Process> Create(KernelCore& kernel, std::string&& name); @@ -161,7 +174,7 @@ public: } /// Gets the unique ID that identifies this particular process. - u32 GetProcessID() const { + u64 GetProcessID() const { return process_id; } @@ -171,14 +184,7 @@ public: } /// Gets the resource limit descriptor for this process - ResourceLimit& GetResourceLimit() { - return *resource_limit; - } - - /// Gets the resource limit descriptor for this process - const ResourceLimit& GetResourceLimit() const { - return *resource_limit; - } + SharedPtr<ResourceLimit> GetResourceLimit() const; /// Gets the default CPU ID for this process u8 GetDefaultProcessorID() const { @@ -219,6 +225,16 @@ public: return random_entropy.at(index); } + /// Clears the signaled state of the process if and only if it's signaled. + /// + /// @pre The process must not be already terminated. If this is called on a + /// terminated process, then ERR_INVALID_STATE will be returned. + /// + /// @pre The process must be in a signaled state. If this is called on a + /// process instance that is not signaled, ERR_INVALID_STATE will be + /// returned. + ResultCode ClearSignalState(); + /** * Loads process-specifics configuration info with metadata provided * by an executable. @@ -258,8 +274,7 @@ public: ResultVal<VAddr> HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultCode HeapFree(VAddr target, u32 size); - ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, - MemoryState state = MemoryState::Mapped); + ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state); ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size); @@ -267,6 +282,17 @@ private: explicit Process(KernelCore& kernel); ~Process() override; + /// Checks if the specified thread should wait until this process is available. + bool ShouldWait(Thread* thread) const override; + + /// Acquires/locks this process for the specified thread if it's available. + void Acquire(Thread* thread) override; + + /// Changes the process status. If the status is different + /// from the current process status, then this will trigger + /// a process signal. + void ChangeStatus(ProcessStatus new_status); + /// Memory manager for this process. Kernel::VMManager vm_manager; @@ -274,10 +300,10 @@ private: ProcessStatus status; /// The ID of this process - u32 process_id = 0; + u64 process_id = 0; /// Title ID corresponding to the process - u64 program_id; + u64 program_id = 0; /// Resource limit descriptor for this process SharedPtr<ResourceLimit> resource_limit; @@ -312,6 +338,10 @@ private: /// specified by metadata provided to the process during loading. bool is_64bit_process = true; + /// Whether or not this process is signaled. This occurs + /// upon the process changing to a different state. + bool is_signaled = false; + /// Total running time for the process in ticks. u64 total_process_running_time_ticks = 0; diff --git a/src/core/hle/kernel/readable_event.cpp b/src/core/hle/kernel/readable_event.cpp index 92e16b4e6..ba01f495c 100644 --- a/src/core/hle/kernel/readable_event.cpp +++ b/src/core/hle/kernel/readable_event.cpp @@ -4,10 +4,10 @@ #include <algorithm> #include "common/assert.h" +#include "core/hle/kernel/errors.h" #include "core/hle/kernel/object.h" #include "core/hle/kernel/readable_event.h" #include "core/hle/kernel/thread.h" -#include "core/hle/kernel/writable_event.h" namespace Kernel { @@ -34,6 +34,16 @@ void ReadableEvent::Clear() { signaled = false; } +ResultCode ReadableEvent::Reset() { + if (!signaled) { + return ERR_INVALID_STATE; + } + + Clear(); + + return RESULT_SUCCESS; +} + void ReadableEvent::WakeupAllWaitingThreads() { WaitObject::WakeupAllWaitingThreads(); diff --git a/src/core/hle/kernel/readable_event.h b/src/core/hle/kernel/readable_event.h index b1f1f4871..80b3b0aba 100644 --- a/src/core/hle/kernel/readable_event.h +++ b/src/core/hle/kernel/readable_event.h @@ -7,6 +7,8 @@ #include "core/hle/kernel/object.h" #include "core/hle/kernel/wait_object.h" +union ResultCode; + namespace Kernel { class KernelCore; @@ -29,7 +31,7 @@ public: return reset_type; } - static const HandleType HANDLE_TYPE = HandleType::Event; + static const HandleType HANDLE_TYPE = HandleType::ReadableEvent; HandleType GetHandleType() const override { return HANDLE_TYPE; } @@ -39,8 +41,17 @@ public: void WakeupAllWaitingThreads() override; + /// Unconditionally clears the readable event's state. void Clear(); + /// Clears the readable event's state if and only if it + /// has already been signaled. + /// + /// @pre The event must be in a signaled state. If this event + /// is in an unsignaled state and this function is called, + /// then ERR_INVALID_STATE will be returned. + ResultCode Reset(); + private: explicit ReadableEvent(KernelCore& kernel); diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp index 5a5f4cef1..df4d6cf0a 100644 --- a/src/core/hle/kernel/scheduler.cpp +++ b/src/core/hle/kernel/scheduler.cpp @@ -9,6 +9,7 @@ #include "common/logging/log.h" #include "core/arm/arm_interface.h" #include "core/core.h" +#include "core/core_cpu.h" #include "core/core_timing.h" #include "core/hle/kernel/kernel.h" #include "core/hle/kernel/process.h" @@ -179,4 +180,69 @@ void Scheduler::SetThreadPriority(Thread* thread, u32 priority) { ready_queue.prepare(priority); } +Thread* Scheduler::GetNextSuggestedThread(u32 core, u32 maximum_priority) const { + std::lock_guard<std::mutex> lock(scheduler_mutex); + + const u32 mask = 1U << core; + return ready_queue.get_first_filter([mask, maximum_priority](Thread const* thread) { + return (thread->GetAffinityMask() & mask) != 0 && thread->GetPriority() < maximum_priority; + }); +} + +void Scheduler::YieldWithoutLoadBalancing(Thread* thread) { + ASSERT(thread != nullptr); + // Avoid yielding if the thread isn't even running. + ASSERT(thread->GetStatus() == ThreadStatus::Running); + + // Sanity check that the priority is valid + ASSERT(thread->GetPriority() < THREADPRIO_COUNT); + + // Yield this thread -- sleep for zero time and force reschedule to different thread + WaitCurrentThread_Sleep(); + GetCurrentThread()->WakeAfterDelay(0); +} + +void Scheduler::YieldWithLoadBalancing(Thread* thread) { + ASSERT(thread != nullptr); + const auto priority = thread->GetPriority(); + const auto core = static_cast<u32>(thread->GetProcessorID()); + + // Avoid yielding if the thread isn't even running. + ASSERT(thread->GetStatus() == ThreadStatus::Running); + + // Sanity check that the priority is valid + ASSERT(priority < THREADPRIO_COUNT); + + // Sleep for zero time to be able to force reschedule to different thread + WaitCurrentThread_Sleep(); + GetCurrentThread()->WakeAfterDelay(0); + + Thread* suggested_thread = nullptr; + + // Search through all of the cpu cores (except this one) for a suggested thread. + // Take the first non-nullptr one + for (unsigned cur_core = 0; cur_core < Core::NUM_CPU_CORES; ++cur_core) { + const auto res = + Core::System::GetInstance().CpuCore(cur_core).Scheduler().GetNextSuggestedThread( + core, priority); + + // If scheduler provides a suggested thread + if (res != nullptr) { + // And its better than the current suggested thread (or is the first valid one) + if (suggested_thread == nullptr || + suggested_thread->GetPriority() > res->GetPriority()) { + suggested_thread = res; + } + } + } + + // If a suggested thread was found, queue that for this core + if (suggested_thread != nullptr) + suggested_thread->ChangeCore(core, suggested_thread->GetAffinityMask()); +} + +void Scheduler::YieldAndWaitForLoadBalancing(Thread* thread) { + UNIMPLEMENTED_MSG("Wait for load balancing thread yield type is not implemented!"); +} + } // namespace Kernel diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h index c63032b7d..97ced4dfc 100644 --- a/src/core/hle/kernel/scheduler.h +++ b/src/core/hle/kernel/scheduler.h @@ -51,6 +51,75 @@ public: /// Sets the priority of a thread in the scheduler void SetThreadPriority(Thread* thread, u32 priority); + /// Gets the next suggested thread for load balancing + Thread* GetNextSuggestedThread(u32 core, u32 minimum_priority) const; + + /** + * YieldWithoutLoadBalancing -- analogous to normal yield on a system + * Moves the thread to the end of the ready queue for its priority, and then reschedules the + * system to the new head of the queue. + * + * Example (Single Core -- but can be extrapolated to multi): + * ready_queue[prio=0]: ThreadA, ThreadB, ThreadC (->exec order->) + * Currently Running: ThreadR + * + * ThreadR calls YieldWithoutLoadBalancing + * + * ThreadR is moved to the end of ready_queue[prio=0]: + * ready_queue[prio=0]: ThreadA, ThreadB, ThreadC, ThreadR (->exec order->) + * Currently Running: Nothing + * + * System is rescheduled (ThreadA is popped off of queue): + * ready_queue[prio=0]: ThreadB, ThreadC, ThreadR (->exec order->) + * Currently Running: ThreadA + * + * If the queue is empty at time of call, no yielding occurs. This does not cross between cores + * or priorities at all. + */ + void YieldWithoutLoadBalancing(Thread* thread); + + /** + * YieldWithLoadBalancing -- yield but with better selection of the new running thread + * Moves the current thread to the end of the ready queue for its priority, then selects a + * 'suggested thread' (a thread on a different core that could run on this core) from the + * scheduler, changes its core, and reschedules the current core to that thread. + * + * Example (Dual Core -- can be extrapolated to Quad Core, this is just normal yield if it were + * single core): + * ready_queue[core=0][prio=0]: ThreadA, ThreadB (affinities not pictured as irrelevant + * ready_queue[core=1][prio=0]: ThreadC[affinity=both], ThreadD[affinity=core1only] + * Currently Running: ThreadQ on Core 0 || ThreadP on Core 1 + * + * ThreadQ calls YieldWithLoadBalancing + * + * ThreadQ is moved to the end of ready_queue[core=0][prio=0]: + * ready_queue[core=0][prio=0]: ThreadA, ThreadB + * ready_queue[core=1][prio=0]: ThreadC[affinity=both], ThreadD[affinity=core1only] + * Currently Running: ThreadQ on Core 0 || ThreadP on Core 1 + * + * A list of suggested threads for each core is compiled + * Suggested Threads: {ThreadC on Core 1} + * If this were quad core (as the switch is), there could be between 0 and 3 threads in this + * list. If there are more than one, the thread is selected by highest prio. + * + * ThreadC is core changed to Core 0: + * ready_queue[core=0][prio=0]: ThreadC, ThreadA, ThreadB, ThreadQ + * ready_queue[core=1][prio=0]: ThreadD + * Currently Running: None on Core 0 || ThreadP on Core 1 + * + * System is rescheduled (ThreadC is popped off of queue): + * ready_queue[core=0][prio=0]: ThreadA, ThreadB, ThreadQ + * ready_queue[core=1][prio=0]: ThreadD + * Currently Running: ThreadC on Core 0 || ThreadP on Core 1 + * + * If no suggested threads can be found this will behave just as normal yield. If there are + * multiple candidates for the suggested thread on a core, the highest prio is taken. + */ + void YieldWithLoadBalancing(Thread* thread); + + /// Currently unknown -- asserts as unimplemented on call + void YieldAndWaitForLoadBalancing(Thread* thread); + /// Returns a list of all threads managed by the scheduler const std::vector<SharedPtr<Thread>>& GetThreadList() const { return thread_list; diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp index 0494581f5..22d0c1dd5 100644 --- a/src/core/hle/kernel/shared_memory.cpp +++ b/src/core/hle/kernel/shared_memory.cpp @@ -17,13 +17,13 @@ namespace Kernel { SharedMemory::SharedMemory(KernelCore& kernel) : Object{kernel} {} SharedMemory::~SharedMemory() = default; -SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, SharedPtr<Process> owner_process, - u64 size, MemoryPermission permissions, +SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, Process* owner_process, u64 size, + MemoryPermission permissions, MemoryPermission other_permissions, VAddr address, MemoryRegion region, std::string name) { SharedPtr<SharedMemory> shared_memory(new SharedMemory(kernel)); - shared_memory->owner_process = std::move(owner_process); + shared_memory->owner_process = owner_process; shared_memory->name = std::move(name); shared_memory->size = size; shared_memory->permissions = permissions; @@ -39,15 +39,15 @@ SharedPtr<SharedMemory> SharedMemory::Create(KernelCore& kernel, SharedPtr<Proce shared_memory->backing_block.get()); } } else { - auto& vm_manager = shared_memory->owner_process->VMManager(); + const auto& vm_manager = shared_memory->owner_process->VMManager(); // The memory is already available and mapped in the owner process. - auto vma = vm_manager.FindVMA(address); - ASSERT_MSG(vma != vm_manager.vma_map.end(), "Invalid memory address"); + const auto vma = vm_manager.FindVMA(address); + ASSERT_MSG(vm_manager.IsValidHandle(vma), "Invalid memory address"); ASSERT_MSG(vma->second.backing_block, "Backing block doesn't exist for address"); // The returned VMA might be a bigger one encompassing the desired address. - auto vma_offset = address - vma->first; + const auto vma_offset = address - vma->first; ASSERT_MSG(vma_offset + size <= vma->second.size, "Shared memory exceeds bounds of mapped block"); diff --git a/src/core/hle/kernel/shared_memory.h b/src/core/hle/kernel/shared_memory.h index 0b48db699..dab2a6bea 100644 --- a/src/core/hle/kernel/shared_memory.h +++ b/src/core/hle/kernel/shared_memory.h @@ -45,8 +45,8 @@ public: * linear heap. * @param name Optional object name, used for debugging purposes. */ - static SharedPtr<SharedMemory> Create(KernelCore& kernel, SharedPtr<Process> owner_process, - u64 size, MemoryPermission permissions, + static SharedPtr<SharedMemory> Create(KernelCore& kernel, Process* owner_process, u64 size, + MemoryPermission permissions, MemoryPermission other_permissions, VAddr address = 0, MemoryRegion region = MemoryRegion::BASE, std::string name = "Unknown"); @@ -139,7 +139,7 @@ private: /// Permission restrictions applied to other processes mapping the block. MemoryPermission other_permissions{}; /// Process that created this shared memory block. - SharedPtr<Process> owner_process; + Process* owner_process; /// Address of shared memory block in the owner process if specified. VAddr base_address = 0; /// Name of shared memory object. diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp index 72da3eb3d..2e80b48c2 100644 --- a/src/core/hle/kernel/svc.cpp +++ b/src/core/hle/kernel/svc.cpp @@ -35,7 +35,7 @@ #include "core/hle/lock.h" #include "core/hle/result.h" #include "core/hle/service/service.h" -#include "core/settings.h" +#include "core/memory.h" namespace Kernel { namespace { @@ -240,7 +240,7 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) { } const VMManager::VMAHandle iter = vm_manager.FindVMA(addr); - if (iter == vm_manager.vma_map.end()) { + if (!vm_manager.IsValidHandle(iter)) { LOG_ERROR(Kernel_SVC, "Unable to find VMA for address=0x{:016X}", addr); return ERR_INVALID_ADDRESS_STATE; } @@ -254,11 +254,52 @@ static ResultCode SetMemoryPermission(VAddr addr, u64 size, u32 prot) { return vm_manager.ReprotectRange(addr, size, converted_permissions); } -static ResultCode SetMemoryAttribute(VAddr addr, u64 size, u32 state0, u32 state1) { - LOG_WARNING(Kernel_SVC, - "(STUBBED) called, addr=0x{:X}, size=0x{:X}, state0=0x{:X}, state1=0x{:X}", addr, - size, state0, state1); - return RESULT_SUCCESS; +static ResultCode SetMemoryAttribute(VAddr address, u64 size, u32 mask, u32 attribute) { + LOG_DEBUG(Kernel_SVC, + "called, address=0x{:016X}, size=0x{:X}, mask=0x{:08X}, attribute=0x{:08X}", address, + size, mask, attribute); + + if (!Common::Is4KBAligned(address)) { + LOG_ERROR(Kernel_SVC, "Address not page aligned (0x{:016X})", address); + return ERR_INVALID_ADDRESS; + } + + if (size == 0 || !Common::Is4KBAligned(size)) { + LOG_ERROR(Kernel_SVC, "Invalid size (0x{:X}). Size must be non-zero and page aligned.", + size); + return ERR_INVALID_ADDRESS; + } + + if (!IsValidAddressRange(address, size)) { + LOG_ERROR(Kernel_SVC, "Address range overflowed (Address: 0x{:016X}, Size: 0x{:016X})", + address, size); + return ERR_INVALID_ADDRESS_STATE; + } + + const auto mem_attribute = static_cast<MemoryAttribute>(attribute); + const auto mem_mask = static_cast<MemoryAttribute>(mask); + const auto attribute_with_mask = mem_attribute | mem_mask; + + if (attribute_with_mask != mem_mask) { + LOG_ERROR(Kernel_SVC, + "Memory attribute doesn't match the given mask (Attribute: 0x{:X}, Mask: {:X}", + attribute, mask); + return ERR_INVALID_COMBINATION; + } + + if ((attribute_with_mask | MemoryAttribute::Uncached) != MemoryAttribute::Uncached) { + LOG_ERROR(Kernel_SVC, "Specified attribute isn't equal to MemoryAttributeUncached (8)."); + return ERR_INVALID_COMBINATION; + } + + auto& vm_manager = Core::CurrentProcess()->VMManager(); + if (!IsInsideAddressSpace(vm_manager, address, size)) { + LOG_ERROR(Kernel_SVC, + "Given address (0x{:016X}) is outside the bounds of the address space.", address); + return ERR_INVALID_ADDRESS_STATE; + } + + return vm_manager.SetMemoryAttribute(address, size, mem_mask, mem_attribute); } /// Maps a memory range into a different range. @@ -274,7 +315,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) { return result; } - return current_process->MirrorMemory(dst_addr, src_addr, size); + return current_process->MirrorMemory(dst_addr, src_addr, size, MemoryState::Stack); } /// Unmaps a region that was previously mapped with svcMapMemory @@ -350,7 +391,7 @@ static ResultCode SendSyncRequest(Handle handle) { } /// Get the ID for the specified thread. -static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { +static ResultCode GetThreadId(u64* thread_id, Handle thread_handle) { LOG_TRACE(Kernel_SVC, "called thread=0x{:08X}", thread_handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); @@ -364,20 +405,33 @@ static ResultCode GetThreadId(u32* thread_id, Handle thread_handle) { return RESULT_SUCCESS; } -/// Get the ID of the specified process -static ResultCode GetProcessId(u32* process_id, Handle process_handle) { - LOG_TRACE(Kernel_SVC, "called process=0x{:08X}", process_handle); +/// Gets the ID of the specified process or a specified thread's owning process. +static ResultCode GetProcessId(u64* process_id, Handle handle) { + LOG_DEBUG(Kernel_SVC, "called handle=0x{:08X}", handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const SharedPtr<Process> process = handle_table.Get<Process>(process_handle); - if (!process) { - LOG_ERROR(Kernel_SVC, "Process handle does not exist, process_handle=0x{:08X}", - process_handle); - return ERR_INVALID_HANDLE; + const SharedPtr<Process> process = handle_table.Get<Process>(handle); + if (process) { + *process_id = process->GetProcessID(); + return RESULT_SUCCESS; } - *process_id = process->GetProcessID(); - return RESULT_SUCCESS; + const SharedPtr<Thread> thread = handle_table.Get<Thread>(handle); + if (thread) { + const Process* const owner_process = thread->GetOwnerProcess(); + if (!owner_process) { + LOG_ERROR(Kernel_SVC, "Non-existent owning process encountered."); + return ERR_INVALID_HANDLE; + } + + *process_id = owner_process->GetProcessID(); + return RESULT_SUCCESS; + } + + // NOTE: This should also handle debug objects before returning. + + LOG_ERROR(Kernel_SVC, "Handle does not exist, handle=0x{:08X}", handle); + return ERR_INVALID_HANDLE; } /// Default thread wakeup callback for WaitSynchronization @@ -663,7 +717,7 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) TotalMemoryUsage = 6, TotalHeapUsage = 7, IsCurrentProcessBeingDebugged = 8, - ResourceHandleLimit = 9, + RegisterResourceLimit = 9, IdleTickCount = 10, RandomEntropy = 11, PerformanceCounter = 0xF0000002, @@ -787,6 +841,33 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id) *result = 0; return RESULT_SUCCESS; + case GetInfoType::RegisterResourceLimit: { + if (handle != 0) { + return ERR_INVALID_HANDLE; + } + + if (info_sub_id != 0) { + return ERR_INVALID_COMBINATION; + } + + Process* const current_process = Core::CurrentProcess(); + HandleTable& handle_table = current_process->GetHandleTable(); + const auto resource_limit = current_process->GetResourceLimit(); + if (!resource_limit) { + *result = KernelHandle::InvalidHandle; + // Yes, the kernel considers this a successful operation. + return RESULT_SUCCESS; + } + + const auto table_result = handle_table.Create(resource_limit); + if (table_result.Failed()) { + return table_result.Code(); + } + + *result = *table_result; + return RESULT_SUCCESS; + } + case GetInfoType::RandomEntropy: if (handle != 0) { LOG_ERROR(Kernel_SVC, "Process Handle is non zero, expected 0 result but got {:016X}", @@ -1067,10 +1148,9 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64 return shared_memory->Unmap(*current_process, addr); } -/// Query process memory -static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/, - Handle process_handle, u64 addr) { - LOG_TRACE(Kernel_SVC, "called process=0x{:08X} addr={:X}", process_handle, addr); +static ResultCode QueryProcessMemory(VAddr memory_info_address, VAddr page_info_address, + Handle process_handle, VAddr address) { + LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); SharedPtr<Process> process = handle_table.Get<Process>(process_handle); if (!process) { @@ -1078,26 +1158,34 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i process_handle); return ERR_INVALID_HANDLE; } - auto vma = process->VMManager().FindVMA(addr); - memory_info->attributes = 0; - if (vma == process->VMManager().vma_map.end()) { - memory_info->base_address = 0; - memory_info->permission = static_cast<u32>(VMAPermission::None); - memory_info->size = 0; - memory_info->type = static_cast<u32>(MemoryState::Unmapped); - } else { - memory_info->base_address = vma->second.base; - memory_info->permission = static_cast<u32>(vma->second.permissions); - memory_info->size = vma->second.size; - memory_info->type = static_cast<u32>(vma->second.meminfo_state); - } + + const auto& vm_manager = process->VMManager(); + const MemoryInfo memory_info = vm_manager.QueryMemory(address); + + Memory::Write64(memory_info_address, memory_info.base_address); + Memory::Write64(memory_info_address + 8, memory_info.size); + Memory::Write32(memory_info_address + 16, memory_info.state); + Memory::Write32(memory_info_address + 20, memory_info.attributes); + Memory::Write32(memory_info_address + 24, memory_info.permission); + Memory::Write32(memory_info_address + 32, memory_info.ipc_ref_count); + Memory::Write32(memory_info_address + 28, memory_info.device_ref_count); + Memory::Write32(memory_info_address + 36, 0); + + // Page info appears to be currently unused by the kernel and is always set to zero. + Memory::Write32(page_info_address, 0); + return RESULT_SUCCESS; } -/// Query memory -static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAddr addr) { - LOG_TRACE(Kernel_SVC, "called, addr={:X}", addr); - return QueryProcessMemory(memory_info, page_info, CurrentProcess, addr); +static ResultCode QueryMemory(VAddr memory_info_address, VAddr page_info_address, + VAddr query_address) { + LOG_TRACE(Kernel_SVC, + "called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, " + "query_address=0x{:016X}", + memory_info_address, page_info_address, query_address); + + return QueryProcessMemory(memory_info_address, page_info_address, CurrentProcess, + query_address); } /// Exits the current process @@ -1204,18 +1292,38 @@ static void ExitThread() { static void SleepThread(s64 nanoseconds) { LOG_TRACE(Kernel_SVC, "called nanoseconds={}", nanoseconds); - // Don't attempt to yield execution if there are no available threads to run, - // this way we avoid a useless reschedule to the idle thread. - if (nanoseconds == 0 && !Core::System::GetInstance().CurrentScheduler().HaveReadyThreads()) - return; + enum class SleepType : s64 { + YieldWithoutLoadBalancing = 0, + YieldWithLoadBalancing = -1, + YieldAndWaitForLoadBalancing = -2, + }; - // Sleep current thread and check for next thread to schedule - WaitCurrentThread_Sleep(); + if (nanoseconds <= 0) { + auto& scheduler{Core::System::GetInstance().CurrentScheduler()}; + switch (static_cast<SleepType>(nanoseconds)) { + case SleepType::YieldWithoutLoadBalancing: + scheduler.YieldWithoutLoadBalancing(GetCurrentThread()); + break; + case SleepType::YieldWithLoadBalancing: + scheduler.YieldWithLoadBalancing(GetCurrentThread()); + break; + case SleepType::YieldAndWaitForLoadBalancing: + scheduler.YieldAndWaitForLoadBalancing(GetCurrentThread()); + break; + default: + UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds); + } + } else { + // Sleep current thread and check for next thread to schedule + WaitCurrentThread_Sleep(); - // Create an event to wake the thread up after the specified nanosecond delay has passed - GetCurrentThread()->WakeAfterDelay(nanoseconds); + // Create an event to wake the thread up after the specified nanosecond delay has passed + GetCurrentThread()->WakeAfterDelay(nanoseconds); + } - Core::System::GetInstance().PrepareReschedule(); + // Reschedule all CPU cores + for (std::size_t i = 0; i < Core::NUM_CPU_CORES; ++i) + Core::System::GetInstance().CpuCore(i).PrepareReschedule(); } /// Wait process wide key atomic @@ -1437,17 +1545,24 @@ static ResultCode CloseHandle(Handle handle) { return handle_table.Close(handle); } -/// Reset an event +/// Clears the signaled state of an event or process. static ResultCode ResetSignal(Handle handle) { LOG_DEBUG(Kernel_SVC, "called handle 0x{:08X}", handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); + auto event = handle_table.Get<ReadableEvent>(handle); + if (event) { + return event->Reset(); + } - ASSERT(event != nullptr); + auto process = handle_table.Get<Process>(handle); + if (process) { + return process->ClearSignalState(); + } - event->Clear(); - return RESULT_SUCCESS; + LOG_ERROR(Kernel_SVC, "Invalid handle (0x{:08X})", handle); + return ERR_INVALID_HANDLE; } /// Creates a TransferMemory object @@ -1480,9 +1595,9 @@ static ResultCode CreateTransferMemory(Handle* handle, VAddr addr, u64 size, u32 } auto& kernel = Core::System::GetInstance().Kernel(); - auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - const auto shared_mem_handle = SharedMemory::Create( - kernel, handle_table.Get<Process>(CurrentProcess), size, perms, perms, addr); + auto process = kernel.CurrentProcess(); + auto& handle_table = process->GetHandleTable(); + const auto shared_mem_handle = SharedMemory::Create(kernel, process, size, perms, perms, addr); CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; @@ -1592,26 +1707,75 @@ static ResultCode CreateSharedMemory(Handle* handle, u64 size, u32 local_permiss } auto& kernel = Core::System::GetInstance().Kernel(); - auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - auto shared_mem_handle = - SharedMemory::Create(kernel, handle_table.Get<Process>(KernelHandle::CurrentProcess), size, - local_perms, remote_perms); + auto process = kernel.CurrentProcess(); + auto& handle_table = process->GetHandleTable(); + auto shared_mem_handle = SharedMemory::Create(kernel, process, size, local_perms, remote_perms); CASCADE_RESULT(*handle, handle_table.Create(shared_mem_handle)); return RESULT_SUCCESS; } +static ResultCode CreateEvent(Handle* write_handle, Handle* read_handle) { + LOG_DEBUG(Kernel_SVC, "called"); + + auto& kernel = Core::System::GetInstance().Kernel(); + const auto [readable_event, writable_event] = + WritableEvent::CreateEventPair(kernel, ResetType::Sticky, "CreateEvent"); + + HandleTable& handle_table = kernel.CurrentProcess()->GetHandleTable(); + + const auto write_create_result = handle_table.Create(writable_event); + if (write_create_result.Failed()) { + return write_create_result.Code(); + } + *write_handle = *write_create_result; + + const auto read_create_result = handle_table.Create(readable_event); + if (read_create_result.Failed()) { + handle_table.Close(*write_create_result); + return read_create_result.Code(); + } + *read_handle = *read_create_result; + + LOG_DEBUG(Kernel_SVC, + "successful. Writable event handle=0x{:08X}, Readable event handle=0x{:08X}", + *write_create_result, *read_create_result); + return RESULT_SUCCESS; +} + static ResultCode ClearEvent(Handle handle) { LOG_TRACE(Kernel_SVC, "called, event=0x{:08X}", handle); const auto& handle_table = Core::CurrentProcess()->GetHandleTable(); - SharedPtr<ReadableEvent> evt = handle_table.Get<ReadableEvent>(handle); - if (evt == nullptr) { - LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle); + + auto writable_event = handle_table.Get<WritableEvent>(handle); + if (writable_event) { + writable_event->Clear(); + return RESULT_SUCCESS; + } + + auto readable_event = handle_table.Get<ReadableEvent>(handle); + if (readable_event) { + readable_event->Clear(); + return RESULT_SUCCESS; + } + + LOG_ERROR(Kernel_SVC, "Event handle does not exist, handle=0x{:08X}", handle); + return ERR_INVALID_HANDLE; +} + +static ResultCode SignalEvent(Handle handle) { + LOG_DEBUG(Kernel_SVC, "called. Handle=0x{:08X}", handle); + + HandleTable& handle_table = Core::CurrentProcess()->GetHandleTable(); + auto writable_event = handle_table.Get<WritableEvent>(handle); + + if (!writable_event) { + LOG_ERROR(Kernel_SVC, "Non-existent writable event handle used (0x{:08X})", handle); return ERR_INVALID_HANDLE; } - evt->Clear(); + writable_event->Signal(); return RESULT_SUCCESS; } @@ -1750,7 +1914,7 @@ static const FunctionDef SVC_Table[] = { {0x0E, SvcWrap<GetThreadCoreMask>, "GetThreadCoreMask"}, {0x0F, SvcWrap<SetThreadCoreMask>, "SetThreadCoreMask"}, {0x10, SvcWrap<GetCurrentProcessorNumber>, "GetCurrentProcessorNumber"}, - {0x11, nullptr, "SignalEvent"}, + {0x11, SvcWrap<SignalEvent>, "SignalEvent"}, {0x12, SvcWrap<ClearEvent>, "ClearEvent"}, {0x13, SvcWrap<MapSharedMemory>, "MapSharedMemory"}, {0x14, SvcWrap<UnmapSharedMemory>, "UnmapSharedMemory"}, @@ -1802,7 +1966,7 @@ static const FunctionDef SVC_Table[] = { {0x42, nullptr, "ReplyAndReceiveLight"}, {0x43, nullptr, "ReplyAndReceive"}, {0x44, nullptr, "ReplyAndReceiveWithUserBuffer"}, - {0x45, nullptr, "CreateEvent"}, + {0x45, SvcWrap<CreateEvent>, "CreateEvent"}, {0x46, nullptr, "Unknown"}, {0x47, nullptr, "Unknown"}, {0x48, nullptr, "MapPhysicalMemoryUnsafe"}, @@ -1851,7 +2015,7 @@ static const FunctionDef SVC_Table[] = { {0x73, nullptr, "SetProcessMemoryPermission"}, {0x74, nullptr, "MapProcessMemory"}, {0x75, nullptr, "UnmapProcessMemory"}, - {0x76, nullptr, "QueryProcessMemory"}, + {0x76, SvcWrap<QueryProcessMemory>, "QueryProcessMemory"}, {0x77, nullptr, "MapProcessCodeMemory"}, {0x78, nullptr, "UnmapProcessCodeMemory"}, {0x79, nullptr, "CreateProcess"}, diff --git a/src/core/hle/kernel/svc.h b/src/core/hle/kernel/svc.h index b06aac4ec..c37ae0f98 100644 --- a/src/core/hle/kernel/svc.h +++ b/src/core/hle/kernel/svc.h @@ -8,22 +8,6 @@ namespace Kernel { -struct MemoryInfo { - u64 base_address; - u64 size; - u32 type; - u32 attributes; - u32 permission; - u32 device_refcount; - u32 ipc_refcount; - INSERT_PADDING_WORDS(1); -}; -static_assert(sizeof(MemoryInfo) == 0x28, "MemoryInfo has incorrect size."); - -struct PageInfo { - u64 flags; -}; - void CallSVC(u32 immediate); } // namespace Kernel diff --git a/src/core/hle/kernel/svc_wrap.h b/src/core/hle/kernel/svc_wrap.h index fa1116624..2a2c2c5ea 100644 --- a/src/core/hle/kernel/svc_wrap.h +++ b/src/core/hle/kernel/svc_wrap.h @@ -7,9 +7,7 @@ #include "common/common_types.h" #include "core/arm/arm_interface.h" #include "core/core.h" -#include "core/hle/kernel/svc.h" #include "core/hle/result.h" -#include "core/memory.h" namespace Kernel { @@ -59,10 +57,31 @@ void SvcWrap() { FuncReturn(retval); } +template <ResultCode func(u32*, u32*)> +void SvcWrap() { + u32 param_1 = 0; + u32 param_2 = 0; + const u32 retval = func(¶m_1, ¶m_2).raw; + + auto& arm_interface = Core::CurrentArmInterface(); + arm_interface.SetReg(1, param_1); + arm_interface.SetReg(2, param_2); + + FuncReturn(retval); +} + template <ResultCode func(u32*, u64)> void SvcWrap() { u32 param_1 = 0; - u32 retval = func(¶m_1, Param(1)).raw; + const u32 retval = func(¶m_1, Param(1)).raw; + Core::CurrentArmInterface().SetReg(1, param_1); + FuncReturn(retval); +} + +template <ResultCode func(u64*, u32)> +void SvcWrap() { + u64 param_1 = 0; + const u32 retval = func(¶m_1, static_cast<u32>(Param(1))).raw; Core::CurrentArmInterface().SetReg(1, param_1); FuncReturn(retval); } @@ -116,7 +135,12 @@ void SvcWrap() { template <ResultCode func(u64, u64, u32, u32)> void SvcWrap() { FuncReturn( - func(Param(0), Param(1), static_cast<u32>(Param(3)), static_cast<u32>(Param(3))).raw); + func(Param(0), Param(1), static_cast<u32>(Param(2)), static_cast<u32>(Param(3))).raw); +} + +template <ResultCode func(u64, u64, u32, u64)> +void SvcWrap() { + FuncReturn(func(Param(0), Param(1), static_cast<u32>(Param(2)), Param(3)).raw); } template <ResultCode func(u32, u64, u32)> @@ -178,21 +202,6 @@ void SvcWrap() { FuncReturn(retval); } -template <ResultCode func(MemoryInfo*, PageInfo*, u64)> -void SvcWrap() { - MemoryInfo memory_info = {}; - PageInfo page_info = {}; - u32 retval = func(&memory_info, &page_info, Param(2)).raw; - - Memory::Write64(Param(0), memory_info.base_address); - Memory::Write64(Param(0) + 8, memory_info.size); - Memory::Write32(Param(0) + 16, memory_info.type); - Memory::Write32(Param(0) + 20, memory_info.attributes); - Memory::Write32(Param(0) + 24, memory_info.permission); - - FuncReturn(retval); -} - template <ResultCode func(u32*, u64, u64, u32)> void SvcWrap() { u32 param_1 = 0; diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 748c45dd7..434655638 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -163,6 +163,9 @@ static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAdd context.cpu_registers[0] = arg; context.pc = entry_point; context.sp = stack_top; + // TODO(merry): Perform a hardware test to determine the below value. + // AHP = 0, DN = 1, FTZ = 1, RMode = Round towards zero + context.fpcr = 0x03C00000; } ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point, diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index 268bf845b..fe5398d56 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -26,6 +26,7 @@ enum ThreadPriority : u32 { THREADPRIO_USERLAND_MAX = 24, ///< Highest thread priority for userland apps THREADPRIO_DEFAULT = 44, ///< Default thread priority for userland apps THREADPRIO_LOWEST = 63, ///< Lowest thread priority + THREADPRIO_COUNT = 64, ///< Total number of possible thread priorities. }; enum ThreadProcessorId : s32 { @@ -156,7 +157,7 @@ public: * Gets the thread's thread ID * @return The thread's ID */ - u32 GetThreadID() const { + u64 GetThreadID() const { return thread_id; } @@ -390,7 +391,7 @@ private: Core::ARM_Interface::ThreadContext context{}; - u32 thread_id = 0; + u64 thread_id = 0; ThreadStatus status = ThreadStatus::Dormant; diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 100f8f6bf..f39e096ca 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -25,19 +25,19 @@ static const char* GetMemoryStateName(MemoryState state) { "CodeMutable", "Heap", "Shared", "Unknown1", "ModuleCodeStatic", "ModuleCodeMutable", - "IpcBuffer0", "Mapped", + "IpcBuffer0", "Stack", "ThreadLocal", "TransferMemoryIsolated", "TransferMemory", "ProcessMemory", - "Unknown2", "IpcBuffer1", + "Inaccessible", "IpcBuffer1", "IpcBuffer3", "KernelStack", }; - return names[static_cast<int>(state)]; + return names[ToSvcMemoryState(state)]; } bool VirtualMemoryArea::CanBeMergedWith(const VirtualMemoryArea& next) const { ASSERT(base + size == next.base); - if (permissions != next.permissions || meminfo_state != next.meminfo_state || + if (permissions != next.permissions || state != next.state || attribute != next.attribute || type != next.type) { return false; } @@ -87,6 +87,10 @@ VMManager::VMAHandle VMManager::FindVMA(VAddr target) const { } } +bool VMManager::IsValidHandle(VMAHandle handle) const { + return handle != vma_map.cend(); +} + ResultVal<VMManager::VMAHandle> VMManager::MapMemoryBlock(VAddr target, std::shared_ptr<std::vector<u8>> block, std::size_t offset, u64 size, @@ -111,7 +115,7 @@ ResultVal<VMManager::VMAHandle> VMManager::MapMemoryBlock(VAddr target, final_vma.type = VMAType::AllocatedMemoryBlock; final_vma.permissions = VMAPermission::ReadWrite; - final_vma.meminfo_state = state; + final_vma.state = state; final_vma.backing_block = std::move(block); final_vma.offset = offset; UpdatePageTableForVMA(final_vma); @@ -136,7 +140,7 @@ ResultVal<VMManager::VMAHandle> VMManager::MapBackingMemory(VAddr target, u8* me final_vma.type = VMAType::BackingMemory; final_vma.permissions = VMAPermission::ReadWrite; - final_vma.meminfo_state = state; + final_vma.state = state; final_vma.backing_memory = memory; UpdatePageTableForVMA(final_vma); @@ -173,7 +177,7 @@ ResultVal<VMManager::VMAHandle> VMManager::MapMMIO(VAddr target, PAddr paddr, u6 final_vma.type = VMAType::MMIO; final_vma.permissions = VMAPermission::ReadWrite; - final_vma.meminfo_state = state; + final_vma.state = state; final_vma.paddr = paddr; final_vma.mmio_handler = std::move(mmio_handler); UpdatePageTableForVMA(final_vma); @@ -185,7 +189,7 @@ VMManager::VMAIter VMManager::Unmap(VMAIter vma_handle) { VirtualMemoryArea& vma = vma_handle->second; vma.type = VMAType::Free; vma.permissions = VMAPermission::None; - vma.meminfo_state = MemoryState::Unmapped; + vma.state = MemoryState::Unmapped; vma.backing_block = nullptr; vma.offset = 0; @@ -298,6 +302,54 @@ ResultCode VMManager::HeapFree(VAddr target, u64 size) { return RESULT_SUCCESS; } +MemoryInfo VMManager::QueryMemory(VAddr address) const { + const auto vma = FindVMA(address); + MemoryInfo memory_info{}; + + if (IsValidHandle(vma)) { + memory_info.base_address = vma->second.base; + memory_info.attributes = ToSvcMemoryAttribute(vma->second.attribute); + memory_info.permission = static_cast<u32>(vma->second.permissions); + memory_info.size = vma->second.size; + memory_info.state = ToSvcMemoryState(vma->second.state); + } else { + memory_info.base_address = address_space_end; + memory_info.permission = static_cast<u32>(VMAPermission::None); + memory_info.size = 0 - address_space_end; + memory_info.state = static_cast<u32>(MemoryState::Inaccessible); + } + + return memory_info; +} + +ResultCode VMManager::SetMemoryAttribute(VAddr address, u64 size, MemoryAttribute mask, + MemoryAttribute attribute) { + constexpr auto ignore_mask = MemoryAttribute::Uncached | MemoryAttribute::DeviceMapped; + constexpr auto attribute_mask = ~ignore_mask; + + const auto result = CheckRangeState( + address, size, MemoryState::FlagUncached, MemoryState::FlagUncached, VMAPermission::None, + VMAPermission::None, attribute_mask, MemoryAttribute::None, ignore_mask); + + if (result.Failed()) { + return result.Code(); + } + + const auto [prev_state, prev_permissions, prev_attributes] = *result; + const auto new_attribute = (prev_attributes & ~mask) | (mask & attribute); + + const auto carve_result = CarveVMARange(address, size); + if (carve_result.Failed()) { + return carve_result.Code(); + } + + auto vma_iter = *carve_result; + vma_iter->second.attribute = new_attribute; + + MergeAdjacent(vma_iter); + return RESULT_SUCCESS; +} + ResultCode VMManager::MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state) { const auto vma = FindVMA(src_addr); @@ -341,7 +393,7 @@ void VMManager::LogLayout() const { (u8)vma.permissions & (u8)VMAPermission::Read ? 'R' : '-', (u8)vma.permissions & (u8)VMAPermission::Write ? 'W' : '-', (u8)vma.permissions & (u8)VMAPermission::Execute ? 'X' : '-', - GetMemoryStateName(vma.meminfo_state)); + GetMemoryStateName(vma.state)); } } @@ -568,6 +620,66 @@ void VMManager::ClearPageTable() { Memory::PageType::Unmapped); } +VMManager::CheckResults VMManager::CheckRangeState(VAddr address, u64 size, MemoryState state_mask, + MemoryState state, VMAPermission permission_mask, + VMAPermission permissions, + MemoryAttribute attribute_mask, + MemoryAttribute attribute, + MemoryAttribute ignore_mask) const { + auto iter = FindVMA(address); + + // If we don't have a valid VMA handle at this point, then it means this is + // being called with an address outside of the address space, which is definitely + // indicative of a bug, as this function only operates on mapped memory regions. + DEBUG_ASSERT(IsValidHandle(iter)); + + const VAddr end_address = address + size - 1; + const MemoryAttribute initial_attributes = iter->second.attribute; + const VMAPermission initial_permissions = iter->second.permissions; + const MemoryState initial_state = iter->second.state; + + while (true) { + // The iterator should be valid throughout the traversal. Hitting the end of + // the mapped VMA regions is unquestionably indicative of a bug. + DEBUG_ASSERT(IsValidHandle(iter)); + + const auto& vma = iter->second; + + if (vma.state != initial_state) { + return ERR_INVALID_ADDRESS_STATE; + } + + if ((vma.state & state_mask) != state) { + return ERR_INVALID_ADDRESS_STATE; + } + + if (vma.permissions != initial_permissions) { + return ERR_INVALID_ADDRESS_STATE; + } + + if ((vma.permissions & permission_mask) != permissions) { + return ERR_INVALID_ADDRESS_STATE; + } + + if ((vma.attribute | ignore_mask) != (initial_attributes | ignore_mask)) { + return ERR_INVALID_ADDRESS_STATE; + } + + if ((vma.attribute & attribute_mask) != attribute) { + return ERR_INVALID_ADDRESS_STATE; + } + + if (end_address <= vma.EndAddress()) { + break; + } + + ++iter; + } + + return MakeResult( + std::make_tuple(initial_state, initial_permissions, initial_attributes & ~ignore_mask)); +} + u64 VMManager::GetTotalMemoryUsage() const { LOG_WARNING(Kernel, "(STUBBED) called"); return 0xF8000000; diff --git a/src/core/hle/kernel/vm_manager.h b/src/core/hle/kernel/vm_manager.h index d522404fe..6091533bc 100644 --- a/src/core/hle/kernel/vm_manager.h +++ b/src/core/hle/kernel/vm_manager.h @@ -6,6 +6,7 @@ #include <map> #include <memory> +#include <tuple> #include <vector> #include "common/common_types.h" #include "core/hle/result.h" @@ -43,26 +44,211 @@ enum class VMAPermission : u8 { ReadWriteExecute = Read | Write | Execute, }; -/// Set of values returned in MemoryInfo.state by svcQueryMemory. +constexpr VMAPermission operator|(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) | u32(rhs)); +} + +constexpr VMAPermission operator&(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) & u32(rhs)); +} + +constexpr VMAPermission operator^(VMAPermission lhs, VMAPermission rhs) { + return static_cast<VMAPermission>(u32(lhs) ^ u32(rhs)); +} + +constexpr VMAPermission operator~(VMAPermission permission) { + return static_cast<VMAPermission>(~u32(permission)); +} + +constexpr VMAPermission& operator|=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr VMAPermission& operator&=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr VMAPermission& operator^=(VMAPermission& lhs, VMAPermission rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +/// Attribute flags that can be applied to a VMA +enum class MemoryAttribute : u32 { + Mask = 0xFF, + + /// No particular qualities + None = 0, + /// Memory locked/borrowed for use. e.g. This would be used by transfer memory. + Locked = 1, + /// Memory locked for use by IPC-related internals. + LockedForIPC = 2, + /// Mapped as part of the device address space. + DeviceMapped = 4, + /// Uncached memory + Uncached = 8, +}; + +constexpr MemoryAttribute operator|(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) | u32(rhs)); +} + +constexpr MemoryAttribute operator&(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) & u32(rhs)); +} + +constexpr MemoryAttribute operator^(MemoryAttribute lhs, MemoryAttribute rhs) { + return static_cast<MemoryAttribute>(u32(lhs) ^ u32(rhs)); +} + +constexpr MemoryAttribute operator~(MemoryAttribute attribute) { + return static_cast<MemoryAttribute>(~u32(attribute)); +} + +constexpr MemoryAttribute& operator|=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr MemoryAttribute& operator&=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr MemoryAttribute& operator^=(MemoryAttribute& lhs, MemoryAttribute rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +constexpr u32 ToSvcMemoryAttribute(MemoryAttribute attribute) { + return static_cast<u32>(attribute & MemoryAttribute::Mask); +} + +// clang-format off +/// Represents memory states and any relevant flags, as used by the kernel. +/// svcQueryMemory interprets these by masking away all but the first eight +/// bits when storing memory state into a MemoryInfo instance. enum class MemoryState : u32 { - Unmapped = 0x0, - Io = 0x1, - Normal = 0x2, - CodeStatic = 0x3, - CodeMutable = 0x4, - Heap = 0x5, - Shared = 0x6, - ModuleCodeStatic = 0x8, - ModuleCodeMutable = 0x9, - IpcBuffer0 = 0xA, - Mapped = 0xB, - ThreadLocal = 0xC, - TransferMemoryIsolated = 0xD, - TransferMemory = 0xE, - ProcessMemory = 0xF, - IpcBuffer1 = 0x11, - IpcBuffer3 = 0x12, - KernelStack = 0x13, + Mask = 0xFF, + FlagProtect = 1U << 8, + FlagDebug = 1U << 9, + FlagIPC0 = 1U << 10, + FlagIPC3 = 1U << 11, + FlagIPC1 = 1U << 12, + FlagMapped = 1U << 13, + FlagCode = 1U << 14, + FlagAlias = 1U << 15, + FlagModule = 1U << 16, + FlagTransfer = 1U << 17, + FlagQueryPhysicalAddressAllowed = 1U << 18, + FlagSharedDevice = 1U << 19, + FlagSharedDeviceAligned = 1U << 20, + FlagIPCBuffer = 1U << 21, + FlagMemoryPoolAllocated = 1U << 22, + FlagMapProcess = 1U << 23, + FlagUncached = 1U << 24, + FlagCodeMemory = 1U << 25, + + // Convenience flag sets to reduce repetition + IPCFlags = FlagIPC0 | FlagIPC3 | FlagIPC1, + + CodeFlags = FlagDebug | IPCFlags | FlagMapped | FlagCode | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + DataFlags = FlagProtect | IPCFlags | FlagMapped | FlagAlias | FlagTransfer | + FlagQueryPhysicalAddressAllowed | FlagSharedDevice | FlagSharedDeviceAligned | + FlagMemoryPoolAllocated | FlagIPCBuffer | FlagUncached, + + Unmapped = 0x00, + Io = 0x01 | FlagMapped, + Normal = 0x02 | FlagMapped | FlagQueryPhysicalAddressAllowed, + CodeStatic = 0x03 | CodeFlags | FlagMapProcess, + CodeMutable = 0x04 | CodeFlags | FlagMapProcess | FlagCodeMemory, + Heap = 0x05 | DataFlags | FlagCodeMemory, + Shared = 0x06 | FlagMapped | FlagMemoryPoolAllocated, + ModuleCodeStatic = 0x08 | CodeFlags | FlagModule | FlagMapProcess, + ModuleCodeMutable = 0x09 | DataFlags | FlagModule | FlagMapProcess | FlagCodeMemory, + + IpcBuffer0 = 0x0A | FlagMapped | FlagQueryPhysicalAddressAllowed | FlagMemoryPoolAllocated | + IPCFlags | FlagSharedDevice | FlagSharedDeviceAligned, + + Stack = 0x0B | FlagMapped | IPCFlags | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + ThreadLocal = 0x0C | FlagMapped | FlagMemoryPoolAllocated, + + TransferMemoryIsolated = 0x0D | IPCFlags | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated | + FlagUncached, + + TransferMemory = 0x0E | FlagIPC3 | FlagIPC1 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + ProcessMemory = 0x0F | FlagIPC3 | FlagIPC1 | FlagMapped | FlagMemoryPoolAllocated, + + // Used to signify an inaccessible or invalid memory region with memory queries + Inaccessible = 0x10, + + IpcBuffer1 = 0x11 | FlagIPC3 | FlagIPC1 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDevice | FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + IpcBuffer3 = 0x12 | FlagIPC3 | FlagMapped | FlagQueryPhysicalAddressAllowed | + FlagSharedDeviceAligned | FlagMemoryPoolAllocated, + + KernelStack = 0x13 | FlagMapped, +}; +// clang-format on + +constexpr MemoryState operator|(MemoryState lhs, MemoryState rhs) { + return static_cast<MemoryState>(u32(lhs) | u32(rhs)); +} + +constexpr MemoryState operator&(MemoryState lhs, MemoryState rhs) { + return static_cast<MemoryState>(u32(lhs) & u32(rhs)); +} + +constexpr MemoryState operator^(MemoryState lhs, MemoryState rhs) { + return static_cast<MemoryState>(u32(lhs) ^ u32(rhs)); +} + +constexpr MemoryState operator~(MemoryState lhs) { + return static_cast<MemoryState>(~u32(lhs)); +} + +constexpr MemoryState& operator|=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs | rhs; + return lhs; +} + +constexpr MemoryState& operator&=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs & rhs; + return lhs; +} + +constexpr MemoryState& operator^=(MemoryState& lhs, MemoryState rhs) { + lhs = lhs ^ rhs; + return lhs; +} + +constexpr u32 ToSvcMemoryState(MemoryState state) { + return static_cast<u32>(state & MemoryState::Mask); +} + +struct MemoryInfo { + u64 base_address; + u64 size; + u32 state; + u32 attributes; + u32 permission; + u32 ipc_ref_count; + u32 device_ref_count; +}; +static_assert(sizeof(MemoryInfo) == 0x28, "MemoryInfo has incorrect size."); + +struct PageInfo { + u32 flags; }; /** @@ -71,6 +257,16 @@ enum class MemoryState : u32 { * also backed by a single host memory allocation. */ struct VirtualMemoryArea { + /// Gets the starting (base) address of this VMA. + VAddr StartAddress() const { + return base; + } + + /// Gets the ending address of this VMA. + VAddr EndAddress() const { + return base + size - 1; + } + /// Virtual base address of the region. VAddr base = 0; /// Size of the region. @@ -78,8 +274,8 @@ struct VirtualMemoryArea { VMAType type = VMAType::Free; VMAPermission permissions = VMAPermission::None; - /// Tag returned by svcQueryMemory. Not otherwise used. - MemoryState meminfo_state = MemoryState::Unmapped; + MemoryState state = MemoryState::Unmapped; + MemoryAttribute attribute = MemoryAttribute::None; // Settings for type = AllocatedMemoryBlock /// Memory block backing this VMA. @@ -113,16 +309,10 @@ struct VirtualMemoryArea { * - http://duartes.org/gustavo/blog/post/page-cache-the-affair-between-memory-and-files/ */ class VMManager final { + using VMAMap = std::map<VAddr, VirtualMemoryArea>; + public: - /** - * A map covering the entirety of the managed address space, keyed by the `base` field of each - * VMA. It must always be modified by splitting or merging VMAs, so that the invariant - * `elem.base + elem.size == next.base` is preserved, and mergeable regions must always be - * merged when possible so that no two similar and adjacent regions exist that have not been - * merged. - */ - std::map<VAddr, VirtualMemoryArea> vma_map; - using VMAHandle = decltype(vma_map)::const_iterator; + using VMAHandle = VMAMap::const_iterator; VMManager(); ~VMManager(); @@ -133,6 +323,9 @@ public: /// Finds the VMA in which the given address is included in, or `vma_map.end()`. VMAHandle FindVMA(VAddr target) const; + /// Indicates whether or not the given handle is within the VMA map. + bool IsValidHandle(VMAHandle handle) const; + // TODO(yuriks): Should these functions actually return the handle? /** @@ -189,8 +382,28 @@ public: ResultVal<VAddr> HeapAllocate(VAddr target, u64 size, VMAPermission perms); ResultCode HeapFree(VAddr target, u64 size); - ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, - MemoryState state = MemoryState::Mapped); + ResultCode MirrorMemory(VAddr dst_addr, VAddr src_addr, u64 size, MemoryState state); + + /// Queries the memory manager for information about the given address. + /// + /// @param address The address to query the memory manager about for information. + /// + /// @return A MemoryInfo instance containing information about the given address. + /// + MemoryInfo QueryMemory(VAddr address) const; + + /// Sets an attribute across the given address range. + /// + /// @param address The starting address + /// @param size The size of the range to set the attribute on. + /// @param mask The attribute mask + /// @param attribute The attribute to set across the given address range + /// + /// @returns RESULT_SUCCESS if successful + /// @returns ERR_INVALID_ADDRESS_STATE if the attribute could not be set. + /// + ResultCode SetMemoryAttribute(VAddr address, u64 size, MemoryAttribute mask, + MemoryAttribute attribute); /** * Scans all VMAs and updates the page table range of any that use the given vector as backing @@ -281,7 +494,7 @@ public: Memory::PageTable page_table; private: - using VMAIter = decltype(vma_map)::iterator; + using VMAIter = VMAMap::iterator; /// Converts a VMAHandle to a mutable VMAIter. VMAIter StripIterConstness(const VMAHandle& iter); @@ -328,6 +541,44 @@ private: /// Clears out the page table void ClearPageTable(); + using CheckResults = ResultVal<std::tuple<MemoryState, VMAPermission, MemoryAttribute>>; + + /// Checks if an address range adheres to the specified states provided. + /// + /// @param address The starting address of the address range. + /// @param size The size of the address range. + /// @param state_mask The memory state mask. + /// @param state The state to compare the individual VMA states against, + /// which is done in the form of: (vma.state & state_mask) != state. + /// @param permission_mask The memory permissions mask. + /// @param permissions The permission to compare the individual VMA permissions against, + /// which is done in the form of: + /// (vma.permission & permission_mask) != permission. + /// @param attribute_mask The memory attribute mask. + /// @param attribute The memory attributes to compare the individual VMA attributes + /// against, which is done in the form of: + /// (vma.attributes & attribute_mask) != attribute. + /// @param ignore_mask The memory attributes to ignore during the check. + /// + /// @returns If successful, returns a tuple containing the memory attributes + /// (with ignored bits specified by ignore_mask unset), memory permissions, and + /// memory state across the memory range. + /// @returns If not successful, returns ERR_INVALID_ADDRESS_STATE. + /// + CheckResults CheckRangeState(VAddr address, u64 size, MemoryState state_mask, MemoryState state, + VMAPermission permission_mask, VMAPermission permissions, + MemoryAttribute attribute_mask, MemoryAttribute attribute, + MemoryAttribute ignore_mask) const; + + /** + * A map covering the entirety of the managed address space, keyed by the `base` field of each + * VMA. It must always be modified by splitting or merging VMAs, so that the invariant + * `elem.base + elem.size == next.base` is preserved, and mergeable regions must always be + * merged when possible so that no two similar and adjacent regions exist that have not been + * merged. + */ + VMAMap vma_map; + u32 address_space_width = 0; VAddr address_space_base = 0; VAddr address_space_end = 0; diff --git a/src/core/hle/kernel/writable_event.h b/src/core/hle/kernel/writable_event.h index fc57d18d7..8fa8d68ee 100644 --- a/src/core/hle/kernel/writable_event.h +++ b/src/core/hle/kernel/writable_event.h @@ -39,7 +39,7 @@ public: return name; } - static const HandleType HANDLE_TYPE = HandleType::Event; + static const HandleType HANDLE_TYPE = HandleType::WritableEvent; HandleType GetHandleType() const override { return HANDLE_TYPE; } |