eden-emu/eden
14
3
Fork 4
Code Issues 3 Pull requests 2 Projects Releases 2 Packages Wiki Activity Actions

Revert "kernel: Various improvements to scheduler"

Browse source
This commit is contained in:
bunnei 2021-08-25 20:59:28 -07:00 • committed by GitHub
parent 3843995ceb
commit 0c8594b225
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
23 changed files with 140 additions and 224 deletions
Download patch file Download diff file Expand all files Collapse all files

40
src/core/cpu_manager.cpp
View file

@ -21,25 +21,34 @@ namespace Core {
CpuManager::CpuManager(System& system_) : system{system_} {}
CpuManager::~CpuManager() = default;
void CpuManager::ThreadStart(std::stop_token stop_token, CpuManager& cpu_manager,
std::size_t core) {
cpu_manager.RunThread(stop_token, core);
void CpuManager::ThreadStart(CpuManager& cpu_manager, std::size_t core) {
cpu_manager.RunThread(core);
}
void CpuManager::Initialize() {
running_mode = true;
if (is_multicore) {
for (std::size_t core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
core_data[core].host_thread = std::jthread(ThreadStart, std::ref(*this), core);
core_data[core].host_thread =
std::make_unique<std::thread>(ThreadStart, std::ref(*this), core);
}
} else {
core_data[0].host_thread = std::jthread(ThreadStart, std::ref(*this), 0);
core_data[0].host_thread = std::make_unique<std::thread>(ThreadStart, std::ref(*this), 0);
}
}
void CpuManager::Shutdown() {
running_mode = false;
Pause(false);
if (is_multicore) {
for (auto& data : core_data) {
data.host_thread->join();
data.host_thread.reset();
}
} else {
core_data[0].host_thread->join();
core_data[0].host_thread.reset();
}
}
std::function<void(void*)> CpuManager::GetGuestThreadStartFunc() {
@ -118,18 +127,17 @@ void CpuManager::MultiCoreRunGuestLoop() {
physical_core = &kernel.CurrentPhysicalCore();
}
system.ExitDynarmicProfile();
{
Kernel::KScopedDisableDispatch dd(kernel);
physical_core->ArmInterface().ClearExclusiveState();
}
physical_core->ArmInterface().ClearExclusiveState();
kernel.CurrentScheduler()->RescheduleCurrentCore();
}
}
void CpuManager::MultiCoreRunIdleThread() {
auto& kernel = system.Kernel();
while (true) {
Kernel::KScopedDisableDispatch dd(kernel);
kernel.CurrentPhysicalCore().Idle();
auto& physical_core = kernel.CurrentPhysicalCore();
physical_core.Idle();
kernel.CurrentScheduler()->RescheduleCurrentCore();
}
}
@ -137,12 +145,12 @@ void CpuManager::MultiCoreRunSuspendThread() {
auto& kernel = system.Kernel();
kernel.CurrentScheduler()->OnThreadStart();
while (true) {
auto core = kernel.CurrentPhysicalCoreIndex();
auto core = kernel.GetCurrentHostThreadID();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::KThread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), *core_data[core].host_context);
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.CurrentPhysicalCoreIndex());
ASSERT(core == kernel.GetCurrentHostThreadID());
scheduler.RescheduleCurrentCore();
}
}
@ -309,7 +317,7 @@ void CpuManager::Pause(bool paused) {
}
}
void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
void CpuManager::RunThread(std::size_t core) {
/// Initialization
system.RegisterCoreThread(core);
std::string name;
@ -348,8 +356,8 @@ void CpuManager::RunThread(std::stop_token stop_token, std::size_t core) {
sc_sync_first_use = false;
}
// Emulation was stopped
if (stop_token.stop_requested()) {
// Abort if emulation was killed before the session really starts
if (!system.IsPoweredOn()) {
return;
}