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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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50
src/core/hle/kernel/thread.cpp
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@ -17,10 +17,10 @@
#include "core/hardware_properties.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/k_scheduler.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/object.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/time_manager.h"
#include "core/hle/result.h"
@ -186,9 +186,11 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
thread->status = ThreadStatus::Dormant;
thread->entry_point = entry_point;
thread->stack_top = stack_top;
thread->disable_count = 1;
thread->tpidr_el0 = 0;
thread->nominal_priority = thread->current_priority = priority;
thread->last_running_ticks = 0;
thread->schedule_count = -1;
thread->last_scheduled_tick = 0;
thread->processor_id = processor_id;
thread->ideal_core = processor_id;
thread->affinity_mask.SetAffinity(processor_id, true);
@ -201,7 +203,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadTy
thread->owner_process = owner_process;
thread->type = type_flags;
if ((type_flags & THREADTYPE_IDLE) == 0) {
auto& scheduler = kernel.GlobalScheduler();
auto& scheduler = kernel.GlobalSchedulerContext();
scheduler.AddThread(thread);
}
if (owner_process) {
@ -402,39 +404,12 @@ ResultCode Thread::Sleep(s64 nanoseconds) {
return RESULT_SUCCESS;
}
std::pair<ResultCode, bool> Thread::YieldSimple() {
bool is_redundant = false;
{
SchedulerLock lock(kernel);
is_redundant = kernel.GlobalScheduler().YieldThread(this);
}
return {RESULT_SUCCESS, is_redundant};
}
std::pair<ResultCode, bool> Thread::YieldAndBalanceLoad() {
bool is_redundant = false;
{
SchedulerLock lock(kernel);
is_redundant = kernel.GlobalScheduler().YieldThreadAndBalanceLoad(this);
}
return {RESULT_SUCCESS, is_redundant};
}
std::pair<ResultCode, bool> Thread::YieldAndWaitForLoadBalancing() {
bool is_redundant = false;
{
SchedulerLock lock(kernel);
is_redundant = kernel.GlobalScheduler().YieldThreadAndWaitForLoadBalancing(this);
}
return {RESULT_SUCCESS, is_redundant};
}
void Thread::AddSchedulingFlag(ThreadSchedFlags flag) {
const u32 old_state = scheduling_state;
pausing_state |= static_cast<u32>(flag);
const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus());
scheduling_state = base_scheduling | pausing_state;
kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
KScheduler::OnThreadStateChanged(kernel, this, old_state);
}
void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) {
@ -442,19 +417,20 @@ void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) {
pausing_state &= ~static_cast<u32>(flag);
const u32 base_scheduling = static_cast<u32>(GetSchedulingStatus());
scheduling_state = base_scheduling | pausing_state;
kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
KScheduler::OnThreadStateChanged(kernel, this, old_state);
}
void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) {
const u32 old_state = scheduling_state;
scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) |
static_cast<u32>(new_status);
kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_state);
KScheduler::OnThreadStateChanged(kernel, this, old_state);
}
void Thread::SetCurrentPriority(u32 new_priority) {
const u32 old_priority = std::exchange(current_priority, new_priority);
kernel.GlobalScheduler().AdjustSchedulingOnPriority(this, old_priority);
KScheduler::OnThreadPriorityChanged(kernel, this, kernel.CurrentScheduler()->GetCurrentThread(),
old_priority);
}
ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
@ -480,10 +456,10 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
if (use_override) {
ideal_core_override = new_core;
} else {
const auto old_affinity_mask = affinity_mask.GetAffinityMask();
const auto old_affinity_mask = affinity_mask;
affinity_mask.SetAffinityMask(new_affinity_mask);
ideal_core = new_core;
if (old_affinity_mask != new_affinity_mask) {
if (old_affinity_mask.GetAffinityMask() != new_affinity_mask) {
const s32 old_core = processor_id;
if (processor_id >= 0 && !affinity_mask.GetAffinity(processor_id)) {
if (static_cast<s32>(ideal_core) < 0) {
@ -493,7 +469,7 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
processor_id = ideal_core;
}
}
kernel.GlobalScheduler().AdjustSchedulingOnAffinity(this, old_affinity_mask, old_core);
KScheduler::OnThreadAffinityMaskChanged(kernel, this, old_affinity_mask, old_core);
}
}
return RESULT_SUCCESS;