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authorLioncash <mathew1800@gmail.com>2019-11-12 09:32:53 +0100
committerLioncash <mathew1800@gmail.com>2019-11-12 13:55:39 +0100
commit12dc918937467b2579b9e2738820c542ae4fdd4f (patch)
tree151f88bb38259f8bb92fe69d79f58f5fb3a78238 /src
parentfile_sys: Resolve sign conversion warnings (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/core/hle/kernel/scheduler.cpp46
-rw-r--r--src/core/hle/kernel/scheduler.h36
-rw-r--r--src/core/hle/kernel/thread.cpp48
-rw-r--r--src/core/hle/kernel/vm_manager.cpp2
4 files changed, 60 insertions, 72 deletions
diff --git a/src/core/hle/kernel/scheduler.cpp b/src/core/hle/kernel/scheduler.cpp
index 0e2dbf13e..16e95381b 100644
--- a/src/core/hle/kernel/scheduler.cpp
+++ b/src/core/hle/kernel/scheduler.cpp
@@ -35,12 +35,12 @@ void GlobalScheduler::RemoveThread(const Thread* thread) {
thread_list.end());
}
-void GlobalScheduler::UnloadThread(s32 core) {
+void GlobalScheduler::UnloadThread(std::size_t core) {
Scheduler& sched = system.Scheduler(core);
sched.UnloadThread();
}
-void GlobalScheduler::SelectThread(u32 core) {
+void GlobalScheduler::SelectThread(std::size_t core) {
const auto update_thread = [](Thread* thread, Scheduler& sched) {
if (thread != sched.selected_thread) {
if (thread == nullptr) {
@@ -77,9 +77,9 @@ void GlobalScheduler::SelectThread(u32 core) {
// if we got a suggested thread, select it, else do a second pass.
if (winner && winner->GetPriority() > 2) {
if (winner->IsRunning()) {
- UnloadThread(winner->GetProcessorID());
+ UnloadThread(static_cast<u32>(winner->GetProcessorID()));
}
- TransferToCore(winner->GetPriority(), core, winner);
+ TransferToCore(winner->GetPriority(), static_cast<s32>(core), winner);
update_thread(winner, sched);
return;
}
@@ -91,9 +91,9 @@ void GlobalScheduler::SelectThread(u32 core) {
Thread* thread_on_core = scheduled_queue[src_core].front();
Thread* to_change = *it;
if (thread_on_core->IsRunning() || to_change->IsRunning()) {
- UnloadThread(src_core);
+ UnloadThread(static_cast<u32>(src_core));
}
- TransferToCore(thread_on_core->GetPriority(), core, thread_on_core);
+ TransferToCore(thread_on_core->GetPriority(), static_cast<s32>(core), thread_on_core);
current_thread = thread_on_core;
break;
}
@@ -154,9 +154,9 @@ bool GlobalScheduler::YieldThreadAndBalanceLoad(Thread* yielding_thread) {
if (winner != nullptr) {
if (winner != yielding_thread) {
if (winner->IsRunning()) {
- UnloadThread(winner->GetProcessorID());
+ UnloadThread(static_cast<u32>(winner->GetProcessorID()));
}
- TransferToCore(winner->GetPriority(), core_id, winner);
+ TransferToCore(winner->GetPriority(), s32(core_id), winner);
}
} else {
winner = next_thread;
@@ -196,9 +196,9 @@ bool GlobalScheduler::YieldThreadAndWaitForLoadBalancing(Thread* yielding_thread
if (winner != nullptr) {
if (winner != yielding_thread) {
if (winner->IsRunning()) {
- UnloadThread(winner->GetProcessorID());
+ UnloadThread(static_cast<u32>(winner->GetProcessorID()));
}
- TransferToCore(winner->GetPriority(), core_id, winner);
+ TransferToCore(winner->GetPriority(), static_cast<s32>(core_id), winner);
}
} else {
winner = yielding_thread;
@@ -248,7 +248,7 @@ void GlobalScheduler::PreemptThreads() {
if (winner != nullptr) {
if (winner->IsRunning()) {
- UnloadThread(winner->GetProcessorID());
+ UnloadThread(static_cast<u32>(winner->GetProcessorID()));
}
TransferToCore(winner->GetPriority(), s32(core_id), winner);
current_thread =
@@ -281,7 +281,7 @@ void GlobalScheduler::PreemptThreads() {
if (winner != nullptr) {
if (winner->IsRunning()) {
- UnloadThread(winner->GetProcessorID());
+ UnloadThread(static_cast<u32>(winner->GetProcessorID()));
}
TransferToCore(winner->GetPriority(), s32(core_id), winner);
current_thread = winner;
@@ -292,30 +292,30 @@ void GlobalScheduler::PreemptThreads() {
}
}
-void GlobalScheduler::Suggest(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Suggest(u32 priority, std::size_t core, Thread* thread) {
suggested_queue[core].add(thread, priority);
}
-void GlobalScheduler::Unsuggest(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Unsuggest(u32 priority, std::size_t core, Thread* thread) {
suggested_queue[core].remove(thread, priority);
}
-void GlobalScheduler::Schedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Schedule(u32 priority, std::size_t core, Thread* thread) {
ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
scheduled_queue[core].add(thread, priority);
}
-void GlobalScheduler::SchedulePrepend(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::SchedulePrepend(u32 priority, std::size_t core, Thread* thread) {
ASSERT_MSG(thread->GetProcessorID() == s32(core), "Thread must be assigned to this core.");
scheduled_queue[core].add(thread, priority, false);
}
-void GlobalScheduler::Reschedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Reschedule(u32 priority, std::size_t core, Thread* thread) {
scheduled_queue[core].remove(thread, priority);
scheduled_queue[core].add(thread, priority);
}
-void GlobalScheduler::Unschedule(u32 priority, u32 core, Thread* thread) {
+void GlobalScheduler::Unschedule(u32 priority, std::size_t core, Thread* thread) {
scheduled_queue[core].remove(thread, priority);
}
@@ -327,14 +327,14 @@ void GlobalScheduler::TransferToCore(u32 priority, s32 destination_core, Thread*
}
thread->SetProcessorID(destination_core);
if (source_core >= 0) {
- Unschedule(priority, source_core, thread);
+ Unschedule(priority, static_cast<u32>(source_core), thread);
}
if (destination_core >= 0) {
- Unsuggest(priority, destination_core, thread);
- Schedule(priority, destination_core, thread);
+ Unsuggest(priority, static_cast<u32>(destination_core), thread);
+ Schedule(priority, static_cast<u32>(destination_core), thread);
}
if (source_core >= 0) {
- Suggest(priority, source_core, thread);
+ Suggest(priority, static_cast<u32>(source_core), thread);
}
}
@@ -357,7 +357,7 @@ void GlobalScheduler::Shutdown() {
thread_list.clear();
}
-Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id)
+Scheduler::Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, std::size_t core_id)
: system(system), cpu_core(cpu_core), core_id(core_id) {}
Scheduler::~Scheduler() = default;
diff --git a/src/core/hle/kernel/scheduler.h b/src/core/hle/kernel/scheduler.h
index f2d6311b8..311849dfb 100644
--- a/src/core/hle/kernel/scheduler.h
+++ b/src/core/hle/kernel/scheduler.h
@@ -42,41 +42,34 @@ public:
* Add a thread to the suggested queue of a cpu core. Suggested threads may be
* picked if no thread is scheduled to run on the core.
*/
- void Suggest(u32 priority, u32 core, Thread* thread);
+ void Suggest(u32 priority, std::size_t core, Thread* thread);
/**
* Remove a thread to the suggested queue of a cpu core. Suggested threads may be
* picked if no thread is scheduled to run on the core.
*/
- void Unsuggest(u32 priority, u32 core, Thread* thread);
+ void Unsuggest(u32 priority, std::size_t core, Thread* thread);
/**
* Add a thread to the scheduling queue of a cpu core. The thread is added at the
* back the queue in its priority level.
*/
- void Schedule(u32 priority, u32 core, Thread* thread);
+ void Schedule(u32 priority, std::size_t core, Thread* thread);
/**
* Add a thread to the scheduling queue of a cpu core. The thread is added at the
* front the queue in its priority level.
*/
- void SchedulePrepend(u32 priority, u32 core, Thread* thread);
+ void SchedulePrepend(u32 priority, std::size_t core, Thread* thread);
/// Reschedule an already scheduled thread based on a new priority
- void Reschedule(u32 priority, u32 core, Thread* thread);
+ void Reschedule(u32 priority, std::size_t core, Thread* thread);
/// Unschedules a thread.
- void Unschedule(u32 priority, u32 core, Thread* thread);
-
- /**
- * Transfers a thread into an specific core. If the destination_core is -1
- * it will be unscheduled from its source code and added into its suggested
- * queue.
- */
- void TransferToCore(u32 priority, s32 destination_core, Thread* thread);
+ void Unschedule(u32 priority, std::size_t core, Thread* thread);
/// Selects a core and forces it to unload its current thread's context
- void UnloadThread(s32 core);
+ void UnloadThread(std::size_t core);
/**
* Takes care of selecting the new scheduled thread in three steps:
@@ -90,9 +83,9 @@ public:
* 3. Third is no suggested thread is found, we do a second pass and pick a running
* thread in another core and swap it with its current thread.
*/
- void SelectThread(u32 core);
+ void SelectThread(std::size_t core);
- bool HaveReadyThreads(u32 core_id) const {
+ bool HaveReadyThreads(std::size_t core_id) const {
return !scheduled_queue[core_id].empty();
}
@@ -145,6 +138,13 @@ public:
void Shutdown();
private:
+ /**
+ * Transfers a thread into an specific core. If the destination_core is -1
+ * it will be unscheduled from its source code and added into its suggested
+ * queue.
+ */
+ void TransferToCore(u32 priority, s32 destination_core, Thread* thread);
+
bool AskForReselectionOrMarkRedundant(Thread* current_thread, const Thread* winner);
static constexpr u32 min_regular_priority = 2;
@@ -163,7 +163,7 @@ private:
class Scheduler final {
public:
- explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, u32 core_id);
+ explicit Scheduler(Core::System& system, Core::ARM_Interface& cpu_core, std::size_t core_id);
~Scheduler();
/// Returns whether there are any threads that are ready to run.
@@ -220,7 +220,7 @@ private:
Core::ARM_Interface& cpu_core;
u64 last_context_switch_time = 0;
u64 idle_selection_count = 0;
- const u32 core_id;
+ const std::size_t core_id;
bool is_context_switch_pending = false;
};
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index 962530d2d..ee7531f2d 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -77,18 +77,6 @@ void Thread::CancelWakeupTimer() {
callback_handle);
}
-static std::optional<s32> GetNextProcessorId(u64 mask) {
- for (s32 index = 0; index < Core::NUM_CPU_CORES; ++index) {
- if (mask & (1ULL << index)) {
- if (!Core::System::GetInstance().Scheduler(index).GetCurrentThread()) {
- // Core is enabled and not running any threads, use this one
- return index;
- }
- }
- }
- return {};
-}
-
void Thread::ResumeFromWait() {
ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects");
@@ -173,7 +161,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
if (!Memory::IsValidVirtualAddress(owner_process, entry_point)) {
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
// TODO (bunnei): Find the correct error code to use here
- return ResultCode(-1);
+ return RESULT_UNKNOWN;
}
auto& system = Core::System::GetInstance();
@@ -401,7 +389,7 @@ void Thread::SetCurrentPriority(u32 new_priority) {
ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
const auto HighestSetCore = [](u64 mask, u32 max_cores) {
- for (s32 core = max_cores - 1; core >= 0; core--) {
+ for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) {
if (((mask >> core) & 1) != 0) {
return core;
}
@@ -425,7 +413,7 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
if (old_affinity_mask != new_affinity_mask) {
const s32 old_core = processor_id;
if (processor_id >= 0 && ((affinity_mask >> processor_id) & 1) == 0) {
- if (ideal_core < 0) {
+ if (static_cast<s32>(ideal_core) < 0) {
processor_id = HighestSetCore(affinity_mask, GlobalScheduler::NUM_CPU_CORES);
} else {
processor_id = ideal_core;
@@ -447,23 +435,23 @@ void Thread::AdjustSchedulingOnStatus(u32 old_flags) {
ThreadSchedStatus::Runnable) {
// In this case the thread was running, now it's pausing/exitting
if (processor_id >= 0) {
- scheduler.Unschedule(current_priority, processor_id, this);
+ scheduler.Unschedule(current_priority, static_cast<u32>(processor_id), this);
}
- for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
- if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Unsuggest(current_priority, static_cast<u32>(core), this);
+ for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+ if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
+ scheduler.Unsuggest(current_priority, core, this);
}
}
} else if (GetSchedulingStatus() == ThreadSchedStatus::Runnable) {
// The thread is now set to running from being stopped
if (processor_id >= 0) {
- scheduler.Schedule(current_priority, processor_id, this);
+ scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
}
- for (s32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
- if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Suggest(current_priority, static_cast<u32>(core), this);
+ for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
+ if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
+ scheduler.Suggest(current_priority, core, this);
}
}
}
@@ -477,11 +465,11 @@ void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
}
auto& scheduler = Core::System::GetInstance().GlobalScheduler();
if (processor_id >= 0) {
- scheduler.Unschedule(old_priority, processor_id, this);
+ scheduler.Unschedule(old_priority, static_cast<u32>(processor_id), this);
}
for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
- if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+ if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
scheduler.Unsuggest(old_priority, core, this);
}
}
@@ -491,14 +479,14 @@ void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
if (processor_id >= 0) {
if (current_thread == this) {
- scheduler.SchedulePrepend(current_priority, processor_id, this);
+ scheduler.SchedulePrepend(current_priority, static_cast<u32>(processor_id), this);
} else {
- scheduler.Schedule(current_priority, processor_id, this);
+ scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
}
}
for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
- if (core != processor_id && ((affinity_mask >> core) & 1) != 0) {
+ if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
scheduler.Suggest(current_priority, core, this);
}
}
@@ -515,7 +503,7 @@ void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
if (((old_affinity_mask >> core) & 1) != 0) {
- if (core == old_core) {
+ if (core == static_cast<u32>(old_core)) {
scheduler.Unschedule(current_priority, core, this);
} else {
scheduler.Unsuggest(current_priority, core, this);
@@ -525,7 +513,7 @@ void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
for (u32 core = 0; core < GlobalScheduler::NUM_CPU_CORES; core++) {
if (((affinity_mask >> core) & 1) != 0) {
- if (core == processor_id) {
+ if (core == static_cast<u32>(processor_id)) {
scheduler.Schedule(current_priority, core, this);
} else {
scheduler.Suggest(current_priority, core, this);
diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp
index c7af87073..e6eee09d7 100644
--- a/src/core/hle/kernel/vm_manager.cpp
+++ b/src/core/hle/kernel/vm_manager.cpp
@@ -167,7 +167,7 @@ ResultVal<VAddr> VMManager::FindFreeRegion(VAddr begin, VAddr end, u64 size) con
if (vma_handle == vma_map.cend()) {
// TODO(Subv): Find the correct error code here.
- return ResultCode(-1);
+ return RESULT_UNKNOWN;
}
const VAddr target = std::max(begin, vma_handle->second.base);