core_cpu: Make Cpu scheduler instances unique_ptrs instead of shared_ptrs

This commit is contained in:
Lioncash 2018-10-15 09:25:11 -04:00
parent 59f872a8e0
commit 5484742fda
10 changed files with 50 additions and 31 deletions

View file

@ -355,12 +355,15 @@ std::size_t System::CurrentCoreIndex() {
}
Kernel::Scheduler& System::CurrentScheduler() {
return *CurrentCpuCore().Scheduler();
return CurrentCpuCore().Scheduler();
}
const std::shared_ptr<Kernel::Scheduler>& System::Scheduler(std::size_t core_index) {
ASSERT(core_index < NUM_CPU_CORES);
return impl->cpu_cores[core_index]->Scheduler();
Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
return CpuCore(core_index).Scheduler();
}
const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
return CpuCore(core_index).Scheduler();
}
Kernel::Process* System::CurrentProcess() {
@ -381,6 +384,11 @@ Cpu& System::CpuCore(std::size_t core_index) {
return *impl->cpu_cores[core_index];
}
const Cpu& System::CpuCore(std::size_t core_index) const {
ASSERT(core_index < NUM_CPU_CORES);
return *impl->cpu_cores[core_index];
}
ExclusiveMonitor& System::Monitor() {
return *impl->cpu_exclusive_monitor;
}

View file

@ -156,6 +156,9 @@ public:
/// Gets a CPU interface to the CPU core with the specified index
Cpu& CpuCore(std::size_t core_index);
/// Gets a CPU interface to the CPU core with the specified index
const Cpu& CpuCore(std::size_t core_index) const;
/// Gets the exclusive monitor
ExclusiveMonitor& Monitor();
@ -172,7 +175,10 @@ public:
const VideoCore::RendererBase& Renderer() const;
/// Gets the scheduler for the CPU core with the specified index
const std::shared_ptr<Kernel::Scheduler>& Scheduler(std::size_t core_index);
Kernel::Scheduler& Scheduler(std::size_t core_index);
/// Gets the scheduler for the CPU core with the specified index
const Kernel::Scheduler& Scheduler(std::size_t core_index) const;
/// Provides a pointer to the current process
Kernel::Process* CurrentProcess();

View file

@ -62,7 +62,7 @@ Cpu::Cpu(ExclusiveMonitor& exclusive_monitor, CpuBarrier& cpu_barrier, std::size
arm_interface = std::make_unique<ARM_Unicorn>();
}
scheduler = std::make_shared<Kernel::Scheduler>(*arm_interface);
scheduler = std::make_unique<Kernel::Scheduler>(*arm_interface);
}
Cpu::~Cpu() = default;

View file

@ -58,8 +58,12 @@ public:
return *arm_interface;
}
const std::shared_ptr<Kernel::Scheduler>& Scheduler() const {
return scheduler;
Kernel::Scheduler& Scheduler() {
return *scheduler;
}
const Kernel::Scheduler& Scheduler() const {
return *scheduler;
}
bool IsMainCore() const {
@ -77,7 +81,7 @@ private:
std::unique_ptr<ARM_Interface> arm_interface;
CpuBarrier& cpu_barrier;
std::shared_ptr<Kernel::Scheduler> scheduler;
std::unique_ptr<Kernel::Scheduler> scheduler;
std::atomic<bool> reschedule_pending = false;
std::size_t core_index;

View file

@ -207,7 +207,7 @@ void RegisterModule(std::string name, VAddr beg, VAddr end, bool add_elf_ext) {
static Kernel::Thread* FindThreadById(int id) {
for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
const auto& threads = Core::System::GetInstance().Scheduler(core)->GetThreadList();
const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
for (auto& thread : threads) {
if (thread->GetThreadID() == static_cast<u32>(id)) {
current_core = core;
@ -597,7 +597,7 @@ static void HandleQuery() {
} else if (strncmp(query, "fThreadInfo", strlen("fThreadInfo")) == 0) {
std::string val = "m";
for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
const auto& threads = Core::System::GetInstance().Scheduler(core)->GetThreadList();
const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
for (const auto& thread : threads) {
val += fmt::format("{:x}", thread->GetThreadID());
val += ",";
@ -612,7 +612,7 @@ static void HandleQuery() {
buffer += "l<?xml version=\"1.0\"?>";
buffer += "<threads>";
for (u32 core = 0; core < Core::NUM_CPU_CORES; core++) {
const auto& threads = Core::System::GetInstance().Scheduler(core)->GetThreadList();
const auto& threads = Core::System::GetInstance().Scheduler(core).GetThreadList();
for (const auto& thread : threads) {
buffer +=
fmt::format(R"*(<thread id="{:x}" core="{:d}" name="Thread {:x}"></thread>)*",

View file

@ -39,7 +39,7 @@ static std::vector<SharedPtr<Thread>> GetThreadsWaitingOnAddress(VAddr address)
std::vector<SharedPtr<Thread>>& waiting_threads,
VAddr arb_addr) {
const auto& scheduler = Core::System::GetInstance().Scheduler(core_index);
const auto& thread_list = scheduler->GetThreadList();
const auto& thread_list = scheduler.GetThreadList();
for (const auto& thread : thread_list) {
if (thread->GetArbiterWaitAddress() == arb_addr)

View file

@ -153,11 +153,11 @@ void Process::PrepareForTermination() {
}
};
auto& system = Core::System::GetInstance();
stop_threads(system.Scheduler(0)->GetThreadList());
stop_threads(system.Scheduler(1)->GetThreadList());
stop_threads(system.Scheduler(2)->GetThreadList());
stop_threads(system.Scheduler(3)->GetThreadList());
const auto& system = Core::System::GetInstance();
stop_threads(system.Scheduler(0).GetThreadList());
stop_threads(system.Scheduler(1).GetThreadList());
stop_threads(system.Scheduler(2).GetThreadList());
stop_threads(system.Scheduler(3).GetThreadList());
}
/**

View file

@ -809,7 +809,7 @@ static ResultCode SignalProcessWideKey(VAddr condition_variable_addr, s32 target
std::vector<SharedPtr<Thread>>& waiting_threads,
VAddr condvar_addr) {
const auto& scheduler = Core::System::GetInstance().Scheduler(core_index);
const auto& thread_list = scheduler->GetThreadList();
const auto& thread_list = scheduler.GetThreadList();
for (const auto& thread : thread_list) {
if (thread->GetCondVarWaitAddress() == condvar_addr)

View file

@ -97,7 +97,7 @@ void Thread::CancelWakeupTimer() {
static boost::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()) {
if (!Core::System::GetInstance().Scheduler(index).GetCurrentThread()) {
// Core is enabled and not running any threads, use this one
return index;
}
@ -147,14 +147,14 @@ void Thread::ResumeFromWait() {
new_processor_id = processor_id;
}
if (ideal_core != -1 &&
Core::System::GetInstance().Scheduler(ideal_core)->GetCurrentThread() == nullptr) {
Core::System::GetInstance().Scheduler(ideal_core).GetCurrentThread() == nullptr) {
new_processor_id = ideal_core;
}
ASSERT(*new_processor_id < 4);
// Add thread to new core's scheduler
auto& next_scheduler = Core::System::GetInstance().Scheduler(*new_processor_id);
auto* next_scheduler = &Core::System::GetInstance().Scheduler(*new_processor_id);
if (*new_processor_id != processor_id) {
// Remove thread from previous core's scheduler
@ -169,7 +169,7 @@ void Thread::ResumeFromWait() {
next_scheduler->ScheduleThread(this, current_priority);
// Change thread's scheduler
scheduler = next_scheduler.get();
scheduler = next_scheduler;
Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
}
@ -230,7 +230,7 @@ ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name
thread->name = std::move(name);
thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
thread->owner_process = &owner_process;
thread->scheduler = Core::System::GetInstance().Scheduler(processor_id).get();
thread->scheduler = &Core::System::GetInstance().Scheduler(processor_id);
thread->scheduler->AddThread(thread, priority);
thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
@ -375,14 +375,14 @@ void Thread::ChangeCore(u32 core, u64 mask) {
new_processor_id = processor_id;
}
if (ideal_core != -1 &&
Core::System::GetInstance().Scheduler(ideal_core)->GetCurrentThread() == nullptr) {
Core::System::GetInstance().Scheduler(ideal_core).GetCurrentThread() == nullptr) {
new_processor_id = ideal_core;
}
ASSERT(*new_processor_id < 4);
// Add thread to new core's scheduler
auto& next_scheduler = Core::System::GetInstance().Scheduler(*new_processor_id);
auto* next_scheduler = &Core::System::GetInstance().Scheduler(*new_processor_id);
if (*new_processor_id != processor_id) {
// Remove thread from previous core's scheduler
@ -397,7 +397,7 @@ void Thread::ChangeCore(u32 core, u64 mask) {
next_scheduler->ScheduleThread(this, current_priority);
// Change thread's scheduler
scheduler = next_scheduler.get();
scheduler = next_scheduler;
Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
}

View file

@ -66,10 +66,11 @@ std::vector<std::unique_ptr<WaitTreeThread>> WaitTreeItem::MakeThreadItemList()
}
};
add_threads(Core::System::GetInstance().Scheduler(0)->GetThreadList());
add_threads(Core::System::GetInstance().Scheduler(1)->GetThreadList());
add_threads(Core::System::GetInstance().Scheduler(2)->GetThreadList());
add_threads(Core::System::GetInstance().Scheduler(3)->GetThreadList());
const auto& system = Core::System::GetInstance();
add_threads(system.Scheduler(0).GetThreadList());
add_threads(system.Scheduler(1).GetThreadList());
add_threads(system.Scheduler(2).GetThreadList());
add_threads(system.Scheduler(3).GetThreadList());
return item_list;
}