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authorLiam <byteslice@airmail.cc>2022-12-18 22:50:02 +0100
committerLiam <byteslice@airmail.cc>2022-12-19 02:21:24 +0100
commitc770f25ccb4755f6a6861037fbfdfdac55191348 (patch)
treeeccc5140afa7a979800e8c27c1f4a2847adb283f /src/core/hle/kernel
parentkernel: add KHardwareTimer (diff)
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Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/k_address_arbiter.cpp1
-rw-r--r--src/core/hle/kernel/k_hardware_timer.cpp7
-rw-r--r--src/core/hle/kernel/k_hardware_timer.h8
-rw-r--r--src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h4
-rw-r--r--src/core/hle/kernel/k_thread.h8
-rw-r--r--src/core/hle/kernel/k_thread_queue.cpp6
-rw-r--r--src/core/hle/kernel/kernel.cpp20
-rw-r--r--src/core/hle/kernel/kernel.h9
-rw-r--r--src/core/hle/kernel/time_manager.cpp44
-rw-r--r--src/core/hle/kernel/time_manager.h41
10 files changed, 33 insertions, 115 deletions
diff --git a/src/core/hle/kernel/k_address_arbiter.cpp b/src/core/hle/kernel/k_address_arbiter.cpp
index f85b11557..a442a3b98 100644
--- a/src/core/hle/kernel/k_address_arbiter.cpp
+++ b/src/core/hle/kernel/k_address_arbiter.cpp
@@ -10,7 +10,6 @@
#include "core/hle/kernel/k_thread_queue.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/svc_results.h"
-#include "core/hle/kernel/time_manager.h"
#include "core/memory.h"
namespace Kernel {
diff --git a/src/core/hle/kernel/k_hardware_timer.cpp b/src/core/hle/kernel/k_hardware_timer.cpp
index afa777f9a..6bba79ea0 100644
--- a/src/core/hle/kernel/k_hardware_timer.cpp
+++ b/src/core/hle/kernel/k_hardware_timer.cpp
@@ -5,15 +5,13 @@
#include "core/core_timing.h"
#include "core/hle/kernel/k_hardware_timer.h"
#include "core/hle/kernel/k_scheduler.h"
-#include "core/hle/kernel/time_manager.h"
namespace Kernel {
void KHardwareTimer::Initialize() {
// Create the timing callback to register with CoreTiming.
m_event_type = Core::Timing::CreateEvent(
- "KHardwareTimer::Callback",
- [this](std::uintptr_t timer_handle, s64, std::chrono::nanoseconds) {
+ "KHardwareTimer::Callback", [](std::uintptr_t timer_handle, s64, std::chrono::nanoseconds) {
reinterpret_cast<KHardwareTimer*>(timer_handle)->DoTask();
return std::nullopt;
});
@@ -21,6 +19,7 @@ void KHardwareTimer::Initialize() {
void KHardwareTimer::Finalize() {
this->DisableInterrupt();
+ m_event_type.reset();
}
void KHardwareTimer::DoTask() {
@@ -64,7 +63,7 @@ void KHardwareTimer::DisableInterrupt() {
m_wakeup_time = std::numeric_limits<s64>::max();
}
-s64 KHardwareTimer::GetTick() {
+s64 KHardwareTimer::GetTick() const {
return m_kernel.System().CoreTiming().GetGlobalTimeNs().count();
}
diff --git a/src/core/hle/kernel/k_hardware_timer.h b/src/core/hle/kernel/k_hardware_timer.h
index 2c88876b3..00bef6ea1 100644
--- a/src/core/hle/kernel/k_hardware_timer.h
+++ b/src/core/hle/kernel/k_hardware_timer.h
@@ -19,10 +19,14 @@ public:
void Initialize();
void Finalize();
- s64 GetCount() {
+ s64 GetCount() const {
return GetTick();
}
+ void RegisterTask(KTimerTask* task, s64 time_from_now) {
+ this->RegisterAbsoluteTask(task, GetTick() + time_from_now);
+ }
+
void RegisterAbsoluteTask(KTimerTask* task, s64 task_time) {
KScopedDisableDispatch dd{m_kernel};
KScopedSpinLock lk{this->GetLock()};
@@ -38,7 +42,7 @@ private:
void EnableInterrupt(s64 wakeup_time);
void DisableInterrupt();
bool GetInterruptEnabled();
- s64 GetTick();
+ s64 GetTick() const;
void DoTask();
private:
diff --git a/src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h b/src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h
index 76c095e69..76db65a4d 100644
--- a/src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h
+++ b/src/core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h
@@ -5,9 +5,9 @@
#include "common/common_types.h"
#include "core/hle/kernel/global_scheduler_context.h"
+#include "core/hle/kernel/k_hardware_timer.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/time_manager.h"
namespace Kernel {
@@ -22,7 +22,7 @@ public:
~KScopedSchedulerLockAndSleep() {
// Register the sleep.
if (timeout_tick > 0) {
- kernel.TimeManager().ScheduleTimeEvent(thread, timeout_tick);
+ kernel.HardwareTimer().RegisterTask(thread, timeout_tick);
}
// Unlock the scheduler.
diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index 1320451c0..7cd94a340 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -662,7 +662,7 @@ private:
union SyncObjectBuffer {
std::array<KSynchronizationObject*, Svc::ArgumentHandleCountMax> sync_objects{};
std::array<Handle,
- Svc::ArgumentHandleCountMax * (sizeof(KSynchronizationObject*) / sizeof(Handle))>
+ Svc::ArgumentHandleCountMax*(sizeof(KSynchronizationObject*) / sizeof(Handle))>
handles;
constexpr SyncObjectBuffer() {}
};
@@ -683,8 +683,10 @@ private:
};
template <typename T>
- requires(std::same_as<T, KThread> || std::same_as<T, RedBlackKeyType>)
- static constexpr int Compare(const T& lhs, const KThread& rhs) {
+ requires(
+ std::same_as<T, KThread> ||
+ std::same_as<T, RedBlackKeyType>) static constexpr int Compare(const T& lhs,
+ const KThread& rhs) {
const u64 l_key = lhs.GetConditionVariableKey();
const u64 r_key = rhs.GetConditionVariableKey();
diff --git a/src/core/hle/kernel/k_thread_queue.cpp b/src/core/hle/kernel/k_thread_queue.cpp
index 9f4e081ba..5f1dc97eb 100644
--- a/src/core/hle/kernel/k_thread_queue.cpp
+++ b/src/core/hle/kernel/k_thread_queue.cpp
@@ -1,9 +1,9 @@
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
+#include "core/hle/kernel/k_hardware_timer.h"
#include "core/hle/kernel/k_thread_queue.h"
#include "core/hle/kernel/kernel.h"
-#include "core/hle/kernel/time_manager.h"
namespace Kernel {
@@ -22,7 +22,7 @@ void KThreadQueue::EndWait(KThread* waiting_thread, Result wait_result) {
waiting_thread->ClearWaitQueue();
// Cancel the thread task.
- kernel.TimeManager().UnscheduleTimeEvent(waiting_thread);
+ kernel.HardwareTimer().CancelTask(waiting_thread);
}
void KThreadQueue::CancelWait(KThread* waiting_thread, Result wait_result, bool cancel_timer_task) {
@@ -37,7 +37,7 @@ void KThreadQueue::CancelWait(KThread* waiting_thread, Result wait_result, bool
// Cancel the thread task.
if (cancel_timer_task) {
- kernel.TimeManager().UnscheduleTimeEvent(waiting_thread);
+ kernel.HardwareTimer().CancelTask(waiting_thread);
}
}
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 0eb74a422..b75bac5df 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -26,6 +26,7 @@
#include "core/hle/kernel/k_client_port.h"
#include "core/hle/kernel/k_dynamic_resource_manager.h"
#include "core/hle/kernel/k_handle_table.h"
+#include "core/hle/kernel/k_hardware_timer.h"
#include "core/hle/kernel/k_memory_layout.h"
#include "core/hle/kernel/k_memory_manager.h"
#include "core/hle/kernel/k_page_buffer.h"
@@ -39,7 +40,6 @@
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/service_thread.h"
-#include "core/hle/kernel/time_manager.h"
#include "core/hle/result.h"
#include "core/hle/service/sm/sm.h"
#include "core/memory.h"
@@ -55,7 +55,7 @@ struct KernelCore::Impl {
static constexpr size_t ReservedDynamicPageCount = 64;
explicit Impl(Core::System& system_, KernelCore& kernel_)
- : time_manager{system_}, service_threads_manager{1, "ServiceThreadsManager"},
+ : service_threads_manager{1, "ServiceThreadsManager"},
service_thread_barrier{2}, system{system_} {}
void SetMulticore(bool is_multi) {
@@ -63,6 +63,9 @@ struct KernelCore::Impl {
}
void Initialize(KernelCore& kernel) {
+ hardware_timer = std::make_unique<Kernel::KHardwareTimer>(kernel);
+ hardware_timer->Initialize();
+
global_object_list_container = std::make_unique<KAutoObjectWithListContainer>(kernel);
global_scheduler_context = std::make_unique<Kernel::GlobalSchedulerContext>(kernel);
global_handle_table = std::make_unique<Kernel::KHandleTable>(kernel);
@@ -193,6 +196,9 @@ struct KernelCore::Impl {
// Ensure that the object list container is finalized and properly shutdown.
global_object_list_container->Finalize();
global_object_list_container.reset();
+
+ hardware_timer->Finalize();
+ hardware_timer.reset();
}
void CloseServices() {
@@ -832,7 +838,7 @@ struct KernelCore::Impl {
std::vector<KProcess*> process_list;
std::atomic<KProcess*> current_process{};
std::unique_ptr<Kernel::GlobalSchedulerContext> global_scheduler_context;
- Kernel::TimeManager time_manager;
+ std::unique_ptr<Kernel::KHardwareTimer> hardware_timer;
Init::KSlabResourceCounts slab_resource_counts{};
KResourceLimit* system_resource_limit{};
@@ -1019,12 +1025,8 @@ Kernel::KScheduler* KernelCore::CurrentScheduler() {
return impl->schedulers[core_id].get();
}
-Kernel::TimeManager& KernelCore::TimeManager() {
- return impl->time_manager;
-}
-
-const Kernel::TimeManager& KernelCore::TimeManager() const {
- return impl->time_manager;
+Kernel::KHardwareTimer& KernelCore::HardwareTimer() {
+ return *impl->hardware_timer;
}
Core::ExclusiveMonitor& KernelCore::GetExclusiveMonitor() {
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 2e22fe0f6..8d22f8d2c 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -39,6 +39,7 @@ class KDynamicPageManager;
class KEvent;
class KEventInfo;
class KHandleTable;
+class KHardwareTimer;
class KLinkedListNode;
class KMemoryLayout;
class KMemoryManager;
@@ -63,7 +64,6 @@ class KCodeMemory;
class PhysicalCore;
class ServiceThread;
class Synchronization;
-class TimeManager;
using ServiceInterfaceFactory =
std::function<KClientPort&(Service::SM::ServiceManager&, Core::System&)>;
@@ -175,11 +175,8 @@ public:
/// Gets the an instance of the current physical CPU core.
const Kernel::PhysicalCore& CurrentPhysicalCore() const;
- /// Gets the an instance of the TimeManager Interface.
- Kernel::TimeManager& TimeManager();
-
- /// Gets the an instance of the TimeManager Interface.
- const Kernel::TimeManager& TimeManager() const;
+ /// Gets the an instance of the hardware timer.
+ Kernel::KHardwareTimer& HardwareTimer();
/// Stops execution of 'id' core, in order to reschedule a new thread.
void PrepareReschedule(std::size_t id);
diff --git a/src/core/hle/kernel/time_manager.cpp b/src/core/hle/kernel/time_manager.cpp
deleted file mode 100644
index 5ee72c432..000000000
--- a/src/core/hle/kernel/time_manager.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include "common/assert.h"
-#include "core/core.h"
-#include "core/core_timing.h"
-#include "core/hle/kernel/k_scheduler.h"
-#include "core/hle/kernel/k_thread.h"
-#include "core/hle/kernel/time_manager.h"
-
-namespace Kernel {
-
-TimeManager::TimeManager(Core::System& system_) : system{system_} {
- time_manager_event_type = Core::Timing::CreateEvent(
- "Kernel::TimeManagerCallback",
- [this](std::uintptr_t thread_handle, s64 time,
- std::chrono::nanoseconds) -> std::optional<std::chrono::nanoseconds> {
- KThread* thread = reinterpret_cast<KThread*>(thread_handle);
- {
- KScopedSchedulerLock sl(system.Kernel());
- thread->OnTimer();
- }
- return std::nullopt;
- });
-}
-
-void TimeManager::ScheduleTimeEvent(KThread* thread, s64 nanoseconds) {
- std::scoped_lock lock{mutex};
- if (nanoseconds > 0) {
- ASSERT(thread);
- ASSERT(thread->GetState() != ThreadState::Runnable);
- system.CoreTiming().ScheduleEvent(std::chrono::nanoseconds{nanoseconds},
- time_manager_event_type,
- reinterpret_cast<uintptr_t>(thread));
- }
-}
-
-void TimeManager::UnscheduleTimeEvent(KThread* thread) {
- std::scoped_lock lock{mutex};
- system.CoreTiming().UnscheduleEvent(time_manager_event_type,
- reinterpret_cast<uintptr_t>(thread));
-}
-
-} // namespace Kernel
diff --git a/src/core/hle/kernel/time_manager.h b/src/core/hle/kernel/time_manager.h
deleted file mode 100644
index 94d16b3b4..000000000
--- a/src/core/hle/kernel/time_manager.h
+++ /dev/null
@@ -1,41 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#pragma once
-
-#include <memory>
-#include <mutex>
-
-namespace Core {
-class System;
-} // namespace Core
-
-namespace Core::Timing {
-struct EventType;
-} // namespace Core::Timing
-
-namespace Kernel {
-
-class KThread;
-
-/**
- * The `TimeManager` takes care of scheduling time events on threads and executes their TimeUp
- * method when the event is triggered.
- */
-class TimeManager {
-public:
- explicit TimeManager(Core::System& system);
-
- /// Schedule a time event on `timetask` thread that will expire in 'nanoseconds'
- void ScheduleTimeEvent(KThread* time_task, s64 nanoseconds);
-
- /// Unschedule an existing time event
- void UnscheduleTimeEvent(KThread* thread);
-
-private:
- Core::System& system;
- std::shared_ptr<Core::Timing::EventType> time_manager_event_type;
- std::mutex mutex;
-};
-
-} // namespace Kernel