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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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57
src/core/hle/kernel/svc.cpp
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@ -24,6 +24,7 @@
#include "core/hle/kernel/client_session.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/memory/memory_block.h"
#include "core/hle/kernel/memory/page_table.h"
@ -32,7 +33,6 @@
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/readable_event.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/shared_memory.h"
#include "core/hle/kernel/svc.h"
#include "core/hle/kernel/svc_types.h"
@ -332,7 +332,8 @@ static ResultCode ConnectToNamedPort32(Core::System& system, Handle* out_handle,
/// Makes a blocking IPC call to an OS service.
static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
auto& kernel = system.Kernel();
const auto& handle_table = kernel.CurrentProcess()->GetHandleTable();
std::shared_ptr<ClientSession> session = handle_table.Get<ClientSession>(handle);
if (!session) {
LOG_ERROR(Kernel_SVC, "called with invalid handle=0x{:08X}", handle);
@ -341,9 +342,9 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
LOG_TRACE(Kernel_SVC, "called handle=0x{:08X}({})", handle, session->GetName());
auto thread = system.CurrentScheduler().GetCurrentThread();
auto thread = kernel.CurrentScheduler()->GetCurrentThread();
{
SchedulerLock lock(system.Kernel());
SchedulerLock lock(kernel);
thread->InvalidateHLECallback();
thread->SetStatus(ThreadStatus::WaitIPC);
session->SendSyncRequest(SharedFrom(thread), system.Memory(), system.CoreTiming());
@ -352,12 +353,12 @@ static ResultCode SendSyncRequest(Core::System& system, Handle handle) {
if (thread->HasHLECallback()) {
Handle event_handle = thread->GetHLETimeEvent();
if (event_handle != InvalidHandle) {
auto& time_manager = system.Kernel().TimeManager();
auto& time_manager = kernel.TimeManager();
time_manager.UnscheduleTimeEvent(event_handle);
}
{
SchedulerLock lock(system.Kernel());
SchedulerLock lock(kernel);
auto* sync_object = thread->GetHLESyncObject();
sync_object->RemoveWaitingThread(SharedFrom(thread));
}
@ -665,7 +666,7 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
handle_debug_buffer(info1, info2);
auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
const auto thread_processor_id = current_thread->GetProcessorID();
system.ArmInterface(static_cast<std::size_t>(thread_processor_id)).LogBacktrace();
}
@ -917,7 +918,7 @@ static ResultCode GetInfo(Core::System& system, u64* result, u64 info_id, u64 ha
}
const auto& core_timing = system.CoreTiming();
const auto& scheduler = system.CurrentScheduler();
const auto& scheduler = *system.Kernel().CurrentScheduler();
const auto* const current_thread = scheduler.GetCurrentThread();
const bool same_thread = current_thread == thread.get();
@ -1085,7 +1086,7 @@ static ResultCode SetThreadActivity(Core::System& system, Handle handle, u32 act
return ERR_INVALID_HANDLE;
}
if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
if (thread.get() == system.Kernel().CurrentScheduler()->GetCurrentThread()) {
LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
return ERR_BUSY;
}
@ -1118,7 +1119,7 @@ static ResultCode GetThreadContext(Core::System& system, VAddr thread_context, H
return ERR_INVALID_HANDLE;
}
if (thread.get() == system.CurrentScheduler().GetCurrentThread()) {
if (thread.get() == system.Kernel().CurrentScheduler()->GetCurrentThread()) {
LOG_ERROR(Kernel_SVC, "The thread handle specified is the current running thread");
return ERR_BUSY;
}
@ -1475,7 +1476,7 @@ static void ExitProcess(Core::System& system) {
current_process->PrepareForTermination();
// Kill the current thread
system.CurrentScheduler().GetCurrentThread()->Stop();
system.Kernel().CurrentScheduler()->GetCurrentThread()->Stop();
}
static void ExitProcess32(Core::System& system) {
@ -1576,8 +1577,8 @@ static ResultCode StartThread32(Core::System& system, Handle thread_handle) {
static void ExitThread(Core::System& system) {
LOG_DEBUG(Kernel_SVC, "called, pc=0x{:08X}", system.CurrentArmInterface().GetPC());
auto* const current_thread = system.CurrentScheduler().GetCurrentThread();
system.GlobalScheduler().RemoveThread(SharedFrom(current_thread));
auto* const current_thread = system.Kernel().CurrentScheduler()->GetCurrentThread();
system.GlobalSchedulerContext().RemoveThread(SharedFrom(current_thread));
current_thread->Stop();
}
@ -1590,37 +1591,31 @@ static void SleepThread(Core::System& system, s64 nanoseconds) {
LOG_DEBUG(Kernel_SVC, "called nanoseconds={}", nanoseconds);
enum class SleepType : s64 {
YieldWithoutLoadBalancing = 0,
YieldWithLoadBalancing = -1,
YieldWithoutCoreMigration = 0,
YieldWithCoreMigration = -1,
YieldAndWaitForLoadBalancing = -2,
};
auto& scheduler = system.CurrentScheduler();
auto* const current_thread = scheduler.GetCurrentThread();
bool is_redundant = false;
auto& scheduler = *system.Kernel().CurrentScheduler();
if (nanoseconds <= 0) {
switch (static_cast<SleepType>(nanoseconds)) {
case SleepType::YieldWithoutLoadBalancing: {
auto pair = current_thread->YieldSimple();
is_redundant = pair.second;
case SleepType::YieldWithoutCoreMigration: {
scheduler.YieldWithoutCoreMigration();
break;
}
case SleepType::YieldWithLoadBalancing: {
auto pair = current_thread->YieldAndBalanceLoad();
is_redundant = pair.second;
case SleepType::YieldWithCoreMigration: {
scheduler.YieldWithCoreMigration();
break;
}
case SleepType::YieldAndWaitForLoadBalancing: {
auto pair = current_thread->YieldAndWaitForLoadBalancing();
is_redundant = pair.second;
scheduler.YieldToAnyThread();
break;
}
default:
UNREACHABLE_MSG("Unimplemented sleep yield type '{:016X}'!", nanoseconds);
}
} else {
current_thread->Sleep(nanoseconds);
scheduler.GetCurrentThread()->Sleep(nanoseconds);
}
}
@ -1656,8 +1651,8 @@ static ResultCode WaitProcessWideKeyAtomic(Core::System& system, VAddr mutex_add
ASSERT(condition_variable_addr == Common::AlignDown(condition_variable_addr, 4));
auto& kernel = system.Kernel();
Handle event_handle;
Thread* current_thread = system.CurrentScheduler().GetCurrentThread();
auto* const current_process = system.Kernel().CurrentProcess();
Thread* current_thread = kernel.CurrentScheduler()->GetCurrentThread();
auto* const current_process = kernel.CurrentProcess();
{
SchedulerLockAndSleep lock(kernel, event_handle, current_thread, nano_seconds);
const auto& handle_table = current_process->GetHandleTable();
@ -2627,7 +2622,7 @@ void Call(Core::System& system, u32 immediate) {
auto& kernel = system.Kernel();
kernel.EnterSVCProfile();
auto* thread = system.CurrentScheduler().GetCurrentThread();
auto* thread = kernel.CurrentScheduler()->GetCurrentThread();
thread->SetContinuousOnSVC(true);
const FunctionDef* info = system.CurrentProcess()->Is64BitProcess() ? GetSVCInfo64(immediate)