diff options
| author | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-02-24 22:04:12 -0400 |
|---|---|---|
| committer | Fernando Sahmkow <fsahmkow27@gmail.com> | 2020-06-27 11:35:06 -0400 |
| commit | e31425df3877636c098ec7426ebd2067920715cb (patch) | |
| tree | 5c0fc518a4ebb8413c491b43a9fdd99450c7bd80 /src/core/hle/kernel/kernel.cpp | |
| parent | 0ea4a8bcc4bca14bb7c65b248ed1899d2e7167cf (diff) | |
General: Recover Prometheus project from harddrive failure
This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host
Timing, Reworks the Kernel's Scheduler, Introduce Idle State and
Suspended State, Recreates the bootmanager, Initializes Multicore
system.
Diffstat (limited to 'src/core/hle/kernel/kernel.cpp')
| -rw-r--r-- | src/core/hle/kernel/kernel.cpp | 84 |
1 files changed, 77 insertions, 7 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp index 7655382fac..ba051a7d80 100644 --- a/src/core/hle/kernel/kernel.cpp +++ b/src/core/hle/kernel/kernel.cpp @@ -13,11 +13,13 @@ #include "common/assert.h" #include "common/logging/log.h" +#include "common/thread.h" #include "core/arm/arm_interface.h" #include "core/arm/exclusive_monitor.h" #include "core/core.h" #include "core/core_timing.h" #include "core/core_timing_util.h" +#include "core/cpu_manager.h" #include "core/device_memory.h" #include "core/hardware_properties.h" #include "core/hle/kernel/client_port.h" @@ -117,7 +119,9 @@ struct KernelCore::Impl { InitializeSystemResourceLimit(kernel); InitializeMemoryLayout(); InitializeThreads(); - InitializePreemption(); + InitializePreemption(kernel); + InitializeSchedulers(); + InitializeSuspendThreads(); } void Shutdown() { @@ -155,6 +159,12 @@ struct KernelCore::Impl { } } + void InitializeSchedulers() { + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + cores[i].Scheduler().Initialize(); + } + } + // Creates the default system resource limit void InitializeSystemResourceLimit(KernelCore& kernel) { system_resource_limit = ResourceLimit::Create(kernel); @@ -178,10 +188,13 @@ struct KernelCore::Impl { Core::Timing::CreateEvent("ThreadWakeupCallback", ThreadWakeupCallback); } - void InitializePreemption() { - preemption_event = - Core::Timing::CreateEvent("PreemptionCallback", [this](u64 userdata, s64 cycles_late) { - global_scheduler.PreemptThreads(); + void InitializePreemption(KernelCore& kernel) { + preemption_event = Core::Timing::CreateEvent( + "PreemptionCallback", [this, &kernel](u64 userdata, s64 cycles_late) { + { + SchedulerLock lock(kernel); + global_scheduler.PreemptThreads(); + } s64 time_interval = Core::Timing::msToCycles(std::chrono::milliseconds(10)); system.CoreTiming().ScheduleEvent(time_interval, preemption_event); }); @@ -190,6 +203,20 @@ struct KernelCore::Impl { system.CoreTiming().ScheduleEvent(time_interval, preemption_event); } + void InitializeSuspendThreads() { + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + std::string name = "Suspend Thread Id:" + std::to_string(i); + std::function<void(void*)> init_func = + system.GetCpuManager().GetSuspendThreadStartFunc(); + void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater(); + ThreadType type = + static_cast<ThreadType>(THREADTYPE_KERNEL | THREADTYPE_HLE | THREADTYPE_SUSPEND); + auto thread_res = Thread::Create(system, type, name, 0, 0, 0, static_cast<u32>(i), 0, + nullptr, std::move(init_func), init_func_parameter); + suspend_threads[i] = std::move(thread_res).Unwrap(); + } + } + void MakeCurrentProcess(Process* process) { current_process = process; @@ -201,7 +228,10 @@ struct KernelCore::Impl { core.SetIs64Bit(process->Is64BitProcess()); } - system.Memory().SetCurrentPageTable(*process); + u32 core_id = GetCurrentHostThreadID(); + if (core_id < Core::Hardware::NUM_CPU_CORES) { + system.Memory().SetCurrentPageTable(*process, core_id); + } } void RegisterCoreThread(std::size_t core_id) { @@ -219,7 +249,9 @@ struct KernelCore::Impl { std::unique_lock lock{register_thread_mutex}; const std::thread::id this_id = std::this_thread::get_id(); const auto it = host_thread_ids.find(this_id); - ASSERT(it == host_thread_ids.end()); + if (it != host_thread_ids.end()) { + return; + } host_thread_ids[this_id] = registered_thread_ids++; } @@ -343,6 +375,8 @@ struct KernelCore::Impl { std::shared_ptr<Kernel::SharedMemory> irs_shared_mem; std::shared_ptr<Kernel::SharedMemory> time_shared_mem; + std::array<std::shared_ptr<Thread>, Core::Hardware::NUM_CPU_CORES> suspend_threads{}; + // System context Core::System& system; }; @@ -412,6 +446,26 @@ const Kernel::PhysicalCore& KernelCore::PhysicalCore(std::size_t id) const { return impl->cores[id]; } +Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return impl->cores[core_id]; +} + +const Kernel::PhysicalCore& KernelCore::CurrentPhysicalCore() const { + u32 core_id = impl->GetCurrentHostThreadID(); + ASSERT(core_id < Core::Hardware::NUM_CPU_CORES); + return impl->cores[core_id]; +} + +Kernel::Scheduler& KernelCore::CurrentScheduler() { + return CurrentPhysicalCore().Scheduler(); +} + +const Kernel::Scheduler& KernelCore::CurrentScheduler() const { + return CurrentPhysicalCore().Scheduler(); +} + Kernel::Synchronization& KernelCore::Synchronization() { return impl->synchronization; } @@ -557,4 +611,20 @@ const Kernel::SharedMemory& KernelCore::GetTimeSharedMem() const { return *impl->time_shared_mem; } +void KernelCore::Suspend(bool in_suspention) { + const bool should_suspend = exception_exited || in_suspention; + { + SchedulerLock lock(*this); + ThreadStatus status = should_suspend ? ThreadStatus::Ready : ThreadStatus::WaitSleep; + for (std::size_t i = 0; i < Core::Hardware::NUM_CPU_CORES; i++) { + impl->suspend_threads[i]->SetStatus(status); + } + } +} + +void KernelCore::ExceptionalExit() { + exception_exited = true; + Suspend(true); +} + } // namespace Kernel |