kernel/scheduler: Take ARM_Interface instance by reference in the constructor
It doesn't make sense to allow a scheduler to be constructed around a null pointer.
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93fea4e179
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@ -64,7 +64,7 @@ Cpu::Cpu(std::shared_ptr<ExclusiveMonitor> exclusive_monitor,
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arm_interface = std::make_shared<ARM_Unicorn>();
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arm_interface = std::make_shared<ARM_Unicorn>();
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}
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}
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scheduler = std::make_shared<Kernel::Scheduler>(arm_interface.get());
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scheduler = std::make_shared<Kernel::Scheduler>(*arm_interface);
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}
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}
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Cpu::~Cpu() = default;
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Cpu::~Cpu() = default;
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@ -17,7 +17,7 @@ namespace Kernel {
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std::mutex Scheduler::scheduler_mutex;
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std::mutex Scheduler::scheduler_mutex;
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Scheduler::Scheduler(Core::ARM_Interface* cpu_core) : cpu_core(cpu_core) {}
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Scheduler::Scheduler(Core::ARM_Interface& cpu_core) : cpu_core(cpu_core) {}
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Scheduler::~Scheduler() {
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Scheduler::~Scheduler() {
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for (auto& thread : thread_list) {
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for (auto& thread : thread_list) {
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@ -59,9 +59,9 @@ void Scheduler::SwitchContext(Thread* new_thread) {
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// Save context for previous thread
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// Save context for previous thread
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if (previous_thread) {
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if (previous_thread) {
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previous_thread->last_running_ticks = CoreTiming::GetTicks();
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previous_thread->last_running_ticks = CoreTiming::GetTicks();
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cpu_core->SaveContext(previous_thread->context);
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cpu_core.SaveContext(previous_thread->context);
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// Save the TPIDR_EL0 system register in case it was modified.
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// Save the TPIDR_EL0 system register in case it was modified.
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previous_thread->tpidr_el0 = cpu_core->GetTPIDR_EL0();
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previous_thread->tpidr_el0 = cpu_core.GetTPIDR_EL0();
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if (previous_thread->status == ThreadStatus::Running) {
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if (previous_thread->status == ThreadStatus::Running) {
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// This is only the case when a reschedule is triggered without the current thread
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// This is only the case when a reschedule is triggered without the current thread
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@ -91,10 +91,10 @@ void Scheduler::SwitchContext(Thread* new_thread) {
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SetCurrentPageTable(&Core::CurrentProcess()->vm_manager.page_table);
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SetCurrentPageTable(&Core::CurrentProcess()->vm_manager.page_table);
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}
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}
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cpu_core->LoadContext(new_thread->context);
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cpu_core.LoadContext(new_thread->context);
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cpu_core->SetTlsAddress(new_thread->GetTLSAddress());
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cpu_core.SetTlsAddress(new_thread->GetTLSAddress());
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cpu_core->SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
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cpu_core.SetTPIDR_EL0(new_thread->GetTPIDR_EL0());
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cpu_core->ClearExclusiveState();
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cpu_core.ClearExclusiveState();
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} else {
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} else {
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current_thread = nullptr;
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current_thread = nullptr;
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// Note: We do not reset the current process and current page table when idling because
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// Note: We do not reset the current process and current page table when idling because
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@ -19,7 +19,7 @@ namespace Kernel {
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class Scheduler final {
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class Scheduler final {
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public:
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public:
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explicit Scheduler(Core::ARM_Interface* cpu_core);
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explicit Scheduler(Core::ARM_Interface& cpu_core);
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~Scheduler();
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~Scheduler();
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/// Returns whether there are any threads that are ready to run.
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/// Returns whether there are any threads that are ready to run.
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@ -72,7 +72,7 @@ private:
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SharedPtr<Thread> current_thread = nullptr;
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SharedPtr<Thread> current_thread = nullptr;
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Core::ARM_Interface* cpu_core;
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Core::ARM_Interface& cpu_core;
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static std::mutex scheduler_mutex;
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static std::mutex scheduler_mutex;
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};
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};
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