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-rw-r--r--src/core/hle/kernel/thread.cpp232
1 files changed, 96 insertions, 136 deletions
diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp
index db7f379ac..8cb3593db 100644
--- a/src/core/hle/kernel/thread.cpp
+++ b/src/core/hle/kernel/thread.cpp
@@ -9,12 +9,14 @@
#include "common/assert.h"
#include "common/common_types.h"
+#include "common/fiber.h"
#include "common/logging/log.h"
#include "common/thread_queue_list.h"
#include "core/arm/arm_interface.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/core_timing_util.h"
+#include "core/cpu_manager.h"
#include "core/hardware_properties.h"
#include "core/hle/kernel/errors.h"
#include "core/hle/kernel/handle_table.h"
@@ -23,6 +25,7 @@
#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"
#include "core/memory.h"
@@ -44,6 +47,7 @@ Thread::Thread(KernelCore& kernel) : SynchronizationObject{kernel} {}
Thread::~Thread() = default;
void Thread::Stop() {
+ SchedulerLock lock(kernel);
// Cancel any outstanding wakeup events for this thread
Core::System::GetInstance().CoreTiming().UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(),
global_handle);
@@ -71,9 +75,8 @@ void Thread::WakeAfterDelay(s64 nanoseconds) {
// This function might be called from any thread so we have to be cautious and use the
// thread-safe version of ScheduleEvent.
- const s64 cycles = Core::Timing::nsToCycles(std::chrono::nanoseconds{nanoseconds});
Core::System::GetInstance().CoreTiming().ScheduleEvent(
- cycles, kernel.ThreadWakeupCallbackEventType(), global_handle);
+ nanoseconds, kernel.ThreadWakeupCallbackEventType(), global_handle);
}
void Thread::CancelWakeupTimer() {
@@ -125,6 +128,16 @@ void Thread::ResumeFromWait() {
SetStatus(ThreadStatus::Ready);
}
+void Thread::OnWakeUp() {
+ SchedulerLock lock(kernel);
+ if (activity == ThreadActivity::Paused) {
+ SetStatus(ThreadStatus::Paused);
+ return;
+ }
+
+ SetStatus(ThreadStatus::Ready);
+}
+
void Thread::CancelWait() {
if (GetSchedulingStatus() != ThreadSchedStatus::Paused) {
is_sync_cancelled = true;
@@ -153,12 +166,29 @@ static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context,
context.fpcr = 0;
}
-ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::string name,
- VAddr entry_point, u32 priority, u64 arg,
- s32 processor_id, VAddr stack_top,
- Process& owner_process) {
+std::shared_ptr<Common::Fiber> Thread::GetHostContext() const {
+ return host_context;
+}
+
+ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags,
+ std::string name, VAddr entry_point, u32 priority,
+ u64 arg, s32 processor_id, VAddr stack_top,
+ Process* owner_process) {
+ std::function<void(void*)> init_func = system.GetCpuManager().GetGuestThreadStartFunc();
+ void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
+ return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top,
+ owner_process, std::move(init_func), init_func_parameter);
+}
+
+ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags,
+ std::string name, VAddr entry_point, u32 priority,
+ u64 arg, s32 processor_id, VAddr stack_top,
+ Process* owner_process,
+ std::function<void(void*)>&& thread_start_func,
+ void* thread_start_parameter) {
+ auto& kernel = system.Kernel();
// Check if priority is in ranged. Lowest priority -> highest priority id.
- if (priority > THREADPRIO_LOWEST) {
+ if (priority > THREADPRIO_LOWEST && (type_flags & THREADTYPE_IDLE == 0)) {
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
return ERR_INVALID_THREAD_PRIORITY;
}
@@ -168,11 +198,12 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin
return ERR_INVALID_PROCESSOR_ID;
}
- auto& system = Core::System::GetInstance();
- if (!system.Memory().IsValidVirtualAddress(owner_process, entry_point)) {
- LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
- // TODO (bunnei): Find the correct error code to use here
- return RESULT_UNKNOWN;
+ if (owner_process) {
+ if (!system.Memory().IsValidVirtualAddress(*owner_process, entry_point)) {
+ LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
+ // TODO (bunnei): Find the correct error code to use here
+ return RESULT_UNKNOWN;
+ }
}
std::shared_ptr<Thread> thread = std::make_shared<Thread>(kernel);
@@ -183,7 +214,7 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin
thread->stack_top = stack_top;
thread->tpidr_el0 = 0;
thread->nominal_priority = thread->current_priority = priority;
- thread->last_running_ticks = system.CoreTiming().GetTicks();
+ thread->last_running_ticks = 0;
thread->processor_id = processor_id;
thread->ideal_core = processor_id;
thread->affinity_mask = 1ULL << processor_id;
@@ -193,16 +224,27 @@ ResultVal<std::shared_ptr<Thread>> Thread::Create(KernelCore& kernel, std::strin
thread->wait_handle = 0;
thread->name = std::move(name);
thread->global_handle = kernel.GlobalHandleTable().Create(thread).Unwrap();
- thread->owner_process = &owner_process;
- auto& scheduler = kernel.GlobalScheduler();
- scheduler.AddThread(thread);
- thread->tls_address = thread->owner_process->CreateTLSRegion();
-
- thread->owner_process->RegisterThread(thread.get());
-
- ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top),
- static_cast<u32>(entry_point), static_cast<u32>(arg));
- ResetThreadContext64(thread->context_64, stack_top, entry_point, arg);
+ thread->owner_process = owner_process;
+ thread->type = type_flags;
+ if ((type_flags & THREADTYPE_IDLE) == 0) {
+ auto& scheduler = kernel.GlobalScheduler();
+ scheduler.AddThread(thread);
+ }
+ if (owner_process) {
+ thread->tls_address = thread->owner_process->CreateTLSRegion();
+ thread->owner_process->RegisterThread(thread.get());
+ } else {
+ thread->tls_address = 0;
+ }
+ // TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
+ // to initialize the context
+ if ((type_flags & THREADTYPE_HLE) == 0) {
+ ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top),
+ static_cast<u32>(entry_point), static_cast<u32>(arg));
+ ResetThreadContext64(thread->context_64, stack_top, entry_point, arg);
+ }
+ thread->host_context =
+ std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
return MakeResult<std::shared_ptr<Thread>>(std::move(thread));
}
@@ -258,7 +300,7 @@ void Thread::SetStatus(ThreadStatus new_status) {
}
if (status == ThreadStatus::Running) {
- last_running_ticks = Core::System::GetInstance().CoreTiming().GetTicks();
+ last_running_ticks = Core::System::GetInstance().CoreTiming().GetCPUTicks();
}
status = new_status;
@@ -375,38 +417,55 @@ void Thread::SetActivity(ThreadActivity value) {
}
void Thread::Sleep(s64 nanoseconds) {
- // Sleep current thread and check for next thread to schedule
- SetStatus(ThreadStatus::WaitSleep);
+ Handle event_handle{};
+ {
+ SchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds);
+ SetStatus(ThreadStatus::WaitSleep);
+ }
- // Create an event to wake the thread up after the specified nanosecond delay has passed
- WakeAfterDelay(nanoseconds);
+ if (event_handle != InvalidHandle) {
+ auto& time_manager = kernel.TimeManager();
+ time_manager.UnscheduleTimeEvent(event_handle);
+ }
}
bool Thread::YieldSimple() {
- auto& scheduler = kernel.GlobalScheduler();
- return scheduler.YieldThread(this);
+ bool result{};
+ {
+ SchedulerLock lock(kernel);
+ result = kernel.GlobalScheduler().YieldThread(this);
+ }
+ return result;
}
bool Thread::YieldAndBalanceLoad() {
- auto& scheduler = kernel.GlobalScheduler();
- return scheduler.YieldThreadAndBalanceLoad(this);
+ bool result{};
+ {
+ SchedulerLock lock(kernel);
+ result = kernel.GlobalScheduler().YieldThreadAndBalanceLoad(this);
+ }
+ return result;
}
bool Thread::YieldAndWaitForLoadBalancing() {
- auto& scheduler = kernel.GlobalScheduler();
- return scheduler.YieldThreadAndWaitForLoadBalancing(this);
+ bool result{};
+ {
+ SchedulerLock lock(kernel);
+ result = kernel.GlobalScheduler().YieldThreadAndWaitForLoadBalancing(this);
+ }
+ return result;
}
void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) {
const u32 old_flags = scheduling_state;
scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) |
static_cast<u32>(new_status);
- AdjustSchedulingOnStatus(old_flags);
+ kernel.GlobalScheduler().AdjustSchedulingOnStatus(this, old_flags);
}
void Thread::SetCurrentPriority(u32 new_priority) {
const u32 old_priority = std::exchange(current_priority, new_priority);
- AdjustSchedulingOnPriority(old_priority);
+ kernel.GlobalScheduler().AdjustSchedulingOnPriority(this, old_priority);
}
ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
@@ -443,111 +502,12 @@ ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
processor_id = ideal_core;
}
}
- AdjustSchedulingOnAffinity(old_affinity_mask, old_core);
+ kernel.GlobalScheduler().AdjustSchedulingOnAffinity(this, old_affinity_mask, old_core);
}
}
return RESULT_SUCCESS;
}
-void Thread::AdjustSchedulingOnStatus(u32 old_flags) {
- if (old_flags == scheduling_state) {
- return;
- }
-
- auto& scheduler = kernel.GlobalScheduler();
- if (static_cast<ThreadSchedStatus>(old_flags & static_cast<u32>(ThreadSchedMasks::LowMask)) ==
- ThreadSchedStatus::Runnable) {
- // In this case the thread was running, now it's pausing/exitting
- if (processor_id >= 0) {
- scheduler.Unschedule(current_priority, static_cast<u32>(processor_id), this);
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Unsuggest(current_priority, core, this);
- }
- }
- } else if (GetSchedulingStatus() == ThreadSchedStatus::Runnable) {
- // The thread is now set to running from being stopped
- if (processor_id >= 0) {
- scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Suggest(current_priority, core, this);
- }
- }
- }
-
- scheduler.SetReselectionPending();
-}
-
-void Thread::AdjustSchedulingOnPriority(u32 old_priority) {
- if (GetSchedulingStatus() != ThreadSchedStatus::Runnable) {
- return;
- }
- auto& scheduler = kernel.GlobalScheduler();
- if (processor_id >= 0) {
- scheduler.Unschedule(old_priority, static_cast<u32>(processor_id), this);
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Unsuggest(old_priority, core, this);
- }
- }
-
- // Add thread to the new priority queues.
- Thread* current_thread = GetCurrentThread();
-
- if (processor_id >= 0) {
- if (current_thread == this) {
- scheduler.SchedulePrepend(current_priority, static_cast<u32>(processor_id), this);
- } else {
- scheduler.Schedule(current_priority, static_cast<u32>(processor_id), this);
- }
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (core != static_cast<u32>(processor_id) && ((affinity_mask >> core) & 1) != 0) {
- scheduler.Suggest(current_priority, core, this);
- }
- }
-
- scheduler.SetReselectionPending();
-}
-
-void Thread::AdjustSchedulingOnAffinity(u64 old_affinity_mask, s32 old_core) {
- auto& scheduler = kernel.GlobalScheduler();
- if (GetSchedulingStatus() != ThreadSchedStatus::Runnable ||
- current_priority >= THREADPRIO_COUNT) {
- return;
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (((old_affinity_mask >> core) & 1) != 0) {
- if (core == static_cast<u32>(old_core)) {
- scheduler.Unschedule(current_priority, core, this);
- } else {
- scheduler.Unsuggest(current_priority, core, this);
- }
- }
- }
-
- for (u32 core = 0; core < Core::Hardware::NUM_CPU_CORES; core++) {
- if (((affinity_mask >> core) & 1) != 0) {
- if (core == static_cast<u32>(processor_id)) {
- scheduler.Schedule(current_priority, core, this);
- } else {
- scheduler.Suggest(current_priority, core, this);
- }
- }
- }
-
- scheduler.SetReselectionPending();
-}
-
////////////////////////////////////////////////////////////////////////////////////////////////////
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-04 05:07:47 +0200