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hle: kernel: Rewrite scheduler implementation based on Mesopshere.

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This commit is contained in:
bunnei 2020-12-02 18:08:35 -08:00
parent c10a37e5b6
commit 9e29e36a78
26 changed files with 1217 additions and 1225 deletions
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55
src/core/cpu_manager.cpp
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@ -10,9 +10,9 @@
#include "core/core.h"
#include "core/core_timing.h"
#include "core/cpu_manager.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "video_core/gpu.h"
@ -109,11 +109,8 @@ void* CpuManager::GetStartFuncParamater() {
void CpuManager::MultiCoreRunGuestThread() {
auto& kernel = system.Kernel();
{
auto& sched = kernel.CurrentScheduler();
sched.OnThreadStart();
}
auto* thread = kernel.CurrentScheduler().GetCurrentThread();
kernel.CurrentScheduler()->OnThreadStart();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
auto& host_context = thread->GetHostContext();
host_context->SetRewindPoint(GuestRewindFunction, this);
MultiCoreRunGuestLoop();
@ -130,8 +127,8 @@ void CpuManager::MultiCoreRunGuestLoop() {
physical_core = &kernel.CurrentPhysicalCore();
}
system.ExitDynarmicProfile();
auto& scheduler = kernel.CurrentScheduler();
scheduler.TryDoContextSwitch();
physical_core->ArmInterface().ClearExclusiveState();
kernel.CurrentScheduler()->RescheduleCurrentCore();
}
}
@ -140,25 +137,21 @@ void CpuManager::MultiCoreRunIdleThread() {
while (true) {
auto& physical_core = kernel.CurrentPhysicalCore();
physical_core.Idle();
auto& scheduler = kernel.CurrentScheduler();
scheduler.TryDoContextSwitch();
kernel.CurrentScheduler()->RescheduleCurrentCore();
}
}
void CpuManager::MultiCoreRunSuspendThread() {
auto& kernel = system.Kernel();
{
auto& sched = kernel.CurrentScheduler();
sched.OnThreadStart();
}
kernel.CurrentScheduler()->OnThreadStart();
while (true) {
auto core = kernel.GetCurrentHostThreadID();
auto& scheduler = kernel.CurrentScheduler();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::Thread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[core].host_context);
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.GetCurrentHostThreadID());
scheduler.TryDoContextSwitch();
scheduler.RescheduleCurrentCore();
}
}
@ -206,11 +199,8 @@ void CpuManager::MultiCorePause(bool paused) {
void CpuManager::SingleCoreRunGuestThread() {
auto& kernel = system.Kernel();
{
auto& sched = kernel.CurrentScheduler();
sched.OnThreadStart();
}
auto* thread = kernel.CurrentScheduler().GetCurrentThread();
kernel.CurrentScheduler()->OnThreadStart();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
auto& host_context = thread->GetHostContext();
host_context->SetRewindPoint(GuestRewindFunction, this);
SingleCoreRunGuestLoop();
@ -218,7 +208,7 @@ void CpuManager::SingleCoreRunGuestThread() {
void CpuManager::SingleCoreRunGuestLoop() {
auto& kernel = system.Kernel();
auto* thread = kernel.CurrentScheduler().GetCurrentThread();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
while (true) {
auto* physical_core = &kernel.CurrentPhysicalCore();
system.EnterDynarmicProfile();
@ -230,9 +220,10 @@ void CpuManager::SingleCoreRunGuestLoop() {
thread->SetPhantomMode(true);
system.CoreTiming().Advance();
thread->SetPhantomMode(false);
physical_core->ArmInterface().ClearExclusiveState();
PreemptSingleCore();
auto& scheduler = kernel.Scheduler(current_core);
scheduler.TryDoContextSwitch();
scheduler.RescheduleCurrentCore();
}
}
@ -244,24 +235,21 @@ void CpuManager::SingleCoreRunIdleThread() {
system.CoreTiming().AddTicks(1000U);
idle_count++;
auto& scheduler = physical_core.Scheduler();
scheduler.TryDoContextSwitch();
scheduler.RescheduleCurrentCore();
}
}
void CpuManager::SingleCoreRunSuspendThread() {
auto& kernel = system.Kernel();
{
auto& sched = kernel.CurrentScheduler();
sched.OnThreadStart();
}
kernel.CurrentScheduler()->OnThreadStart();
while (true) {
auto core = kernel.GetCurrentHostThreadID();
auto& scheduler = kernel.CurrentScheduler();
auto& scheduler = *kernel.CurrentScheduler();
Kernel::Thread* current_thread = scheduler.GetCurrentThread();
Common::Fiber::YieldTo(current_thread->GetHostContext(), core_data[0].host_context);
ASSERT(scheduler.ContextSwitchPending());
ASSERT(core == kernel.GetCurrentHostThreadID());
scheduler.TryDoContextSwitch();
scheduler.RescheduleCurrentCore();
}
}
@ -280,12 +268,12 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
}
current_core.store((current_core + 1) % Core::Hardware::NUM_CPU_CORES);
system.CoreTiming().ResetTicks();
scheduler.Unload();
scheduler.Unload(scheduler.GetCurrentThread());
auto& next_scheduler = system.Kernel().Scheduler(current_core);
Common::Fiber::YieldTo(current_thread->GetHostContext(), next_scheduler.ControlContext());
/// May have changed scheduler
auto& current_scheduler = system.Kernel().Scheduler(current_core);
current_scheduler.Reload();
current_scheduler.Reload(scheduler.GetCurrentThread());
auto* currrent_thread2 = current_scheduler.GetCurrentThread();
if (!currrent_thread2->IsIdleThread()) {
idle_count = 0;
@ -369,8 +357,7 @@ void CpuManager::RunThread(std::size_t core) {
return;
}
auto& scheduler = system.Kernel().CurrentScheduler();
Kernel::Thread* current_thread = scheduler.GetCurrentThread();
auto current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
data.is_running = true;
Common::Fiber::YieldTo(data.host_context, current_thread->GetHostContext());
data.is_running = false;