2014-05-10 06:11:18 +04:00
|
|
|
// Copyright 2014 Citra Emulator Project / PPSSPP Project
|
2014-12-17 08:38:14 +03:00
|
|
|
// Licensed under GPLv2 or any later version
|
2014-11-19 11:49:13 +03:00
|
|
|
// Refer to the license.txt file included.
|
2014-05-10 06:11:18 +04:00
|
|
|
|
2014-06-06 06:35:36 +04:00
|
|
|
#include <algorithm>
|
2018-02-14 08:33:15 +03:00
|
|
|
#include <cinttypes>
|
2014-08-18 07:03:22 +04:00
|
|
|
#include <vector>
|
2018-07-31 15:06:09 +03:00
|
|
|
|
|
|
|
#include <boost/optional.hpp>
|
|
|
|
#include <boost/range/algorithm_ext/erase.hpp>
|
|
|
|
|
2015-05-06 10:06:12 +03:00
|
|
|
#include "common/assert.h"
|
|
|
|
#include "common/common_types.h"
|
|
|
|
#include "common/logging/log.h"
|
2015-02-19 09:46:21 +03:00
|
|
|
#include "common/math_util.h"
|
2014-05-16 02:27:08 +04:00
|
|
|
#include "common/thread_queue_list.h"
|
2014-12-22 09:30:09 +03:00
|
|
|
#include "core/arm/arm_interface.h"
|
2014-05-14 06:00:11 +04:00
|
|
|
#include "core/core.h"
|
2018-08-31 19:21:34 +03:00
|
|
|
#include "core/core_cpu.h"
|
2015-01-07 18:10:58 +03:00
|
|
|
#include "core/core_timing.h"
|
2018-07-24 13:03:24 +03:00
|
|
|
#include "core/core_timing_util.h"
|
2017-05-21 10:11:36 +03:00
|
|
|
#include "core/hle/kernel/errors.h"
|
2017-05-30 02:45:42 +03:00
|
|
|
#include "core/hle/kernel/handle_table.h"
|
2018-08-28 19:30:33 +03:00
|
|
|
#include "core/hle/kernel/kernel.h"
|
2018-08-02 05:40:00 +03:00
|
|
|
#include "core/hle/kernel/object.h"
|
2016-09-18 03:38:01 +03:00
|
|
|
#include "core/hle/kernel/process.h"
|
2018-08-31 19:21:34 +03:00
|
|
|
#include "core/hle/kernel/scheduler.h"
|
2016-09-21 09:52:38 +03:00
|
|
|
#include "core/hle/kernel/thread.h"
|
2014-10-23 07:20:01 +04:00
|
|
|
#include "core/hle/result.h"
|
2015-05-13 04:38:29 +03:00
|
|
|
#include "core/memory.h"
|
2014-05-10 06:11:18 +04:00
|
|
|
|
2014-05-21 03:37:46 +04:00
|
|
|
namespace Kernel {
|
2014-05-14 06:00:11 +04:00
|
|
|
|
2017-01-02 00:53:22 +03:00
|
|
|
bool Thread::ShouldWait(Thread* thread) const {
|
2018-07-20 04:39:05 +03:00
|
|
|
return status != ThreadStatus::Dead;
|
2014-12-22 09:32:03 +03:00
|
|
|
}
|
2014-05-10 06:11:18 +04:00
|
|
|
|
2017-01-02 00:53:22 +03:00
|
|
|
void Thread::Acquire(Thread* thread) {
|
|
|
|
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
|
2015-01-18 06:23:49 +03:00
|
|
|
}
|
|
|
|
|
2018-08-28 19:30:33 +03:00
|
|
|
Thread::Thread(KernelCore& kernel) : WaitObject{kernel} {}
|
|
|
|
Thread::~Thread() = default;
|
2015-02-01 00:22:40 +03:00
|
|
|
|
2015-01-26 09:56:17 +03:00
|
|
|
void Thread::Stop() {
|
|
|
|
// Cancel any outstanding wakeup events for this thread
|
2018-08-28 19:30:33 +03:00
|
|
|
CoreTiming::UnscheduleEvent(kernel.ThreadWakeupCallbackEventType(), callback_handle);
|
|
|
|
kernel.ThreadWakeupCallbackHandleTable().Close(callback_handle);
|
2015-07-17 08:24:13 +03:00
|
|
|
callback_handle = 0;
|
2015-01-26 09:56:17 +03:00
|
|
|
|
|
|
|
// Clean up thread from ready queue
|
2018-08-28 19:30:33 +03:00
|
|
|
// This is only needed when the thread is terminated forcefully (SVC TerminateProcess)
|
2018-07-20 04:39:05 +03:00
|
|
|
if (status == ThreadStatus::Ready) {
|
2018-05-03 05:36:51 +03:00
|
|
|
scheduler->UnscheduleThread(this, current_priority);
|
2015-01-26 09:56:17 +03:00
|
|
|
}
|
|
|
|
|
2018-07-20 04:39:05 +03:00
|
|
|
status = ThreadStatus::Dead;
|
2015-05-25 21:34:09 +03:00
|
|
|
|
2015-01-21 02:20:47 +03:00
|
|
|
WakeupAllWaitingThreads();
|
2014-06-10 06:14:03 +04:00
|
|
|
|
2015-01-26 09:56:17 +03:00
|
|
|
// Clean up any dangling references in objects that this thread was waiting for
|
2015-02-01 04:26:16 +03:00
|
|
|
for (auto& wait_object : wait_objects) {
|
|
|
|
wait_object->RemoveWaitingThread(this);
|
|
|
|
}
|
2015-07-17 08:24:13 +03:00
|
|
|
wait_objects.clear();
|
2015-05-11 07:19:54 +03:00
|
|
|
|
2016-04-20 01:12:48 +03:00
|
|
|
// Mark the TLS slot in the thread's page as free.
|
2018-09-21 08:26:29 +03:00
|
|
|
owner_process->FreeTLSSlot(tls_address);
|
2014-05-14 06:00:11 +04:00
|
|
|
}
|
|
|
|
|
2015-01-18 21:56:40 +03:00
|
|
|
void WaitCurrentThread_Sleep() {
|
2015-01-17 10:03:44 +03:00
|
|
|
Thread* thread = GetCurrentThread();
|
2018-10-04 01:47:57 +03:00
|
|
|
thread->SetStatus(ThreadStatus::WaitSleep);
|
2015-01-17 10:03:44 +03:00
|
|
|
}
|
|
|
|
|
2016-12-17 14:08:38 +03:00
|
|
|
void ExitCurrentThread() {
|
|
|
|
Thread* thread = GetCurrentThread();
|
|
|
|
thread->Stop();
|
2018-05-03 05:36:51 +03:00
|
|
|
Core::System::GetInstance().CurrentScheduler().RemoveThread(thread);
|
2016-12-17 14:08:38 +03:00
|
|
|
}
|
|
|
|
|
2015-01-31 04:07:54 +03:00
|
|
|
void Thread::WakeAfterDelay(s64 nanoseconds) {
|
2015-01-08 00:40:08 +03:00
|
|
|
// Don't schedule a wakeup if the thread wants to wait forever
|
|
|
|
if (nanoseconds == -1)
|
|
|
|
return;
|
|
|
|
|
2018-08-13 01:47:15 +03:00
|
|
|
// This function might be called from any thread so we have to be cautious and use the
|
|
|
|
// thread-safe version of ScheduleEvent.
|
2018-08-28 19:30:33 +03:00
|
|
|
CoreTiming::ScheduleEventThreadsafe(CoreTiming::nsToCycles(nanoseconds),
|
|
|
|
kernel.ThreadWakeupCallbackEventType(), callback_handle);
|
2015-01-08 00:40:08 +03:00
|
|
|
}
|
|
|
|
|
2018-01-08 19:35:03 +03:00
|
|
|
void Thread::CancelWakeupTimer() {
|
2018-08-28 19:30:33 +03:00
|
|
|
CoreTiming::UnscheduleEventThreadsafe(kernel.ThreadWakeupCallbackEventType(), callback_handle);
|
2018-01-08 19:35:03 +03:00
|
|
|
}
|
|
|
|
|
2018-05-08 05:29:48 +03:00
|
|
|
static boost::optional<s32> GetNextProcessorId(u64 mask) {
|
|
|
|
for (s32 index = 0; index < Core::NUM_CPU_CORES; ++index) {
|
|
|
|
if (mask & (1ULL << index)) {
|
2018-07-19 01:10:06 +03:00
|
|
|
if (!Core::System::GetInstance().Scheduler(index)->GetCurrentThread()) {
|
2018-05-08 05:29:48 +03:00
|
|
|
// Core is enabled and not running any threads, use this one
|
|
|
|
return index;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return {};
|
|
|
|
}
|
|
|
|
|
2014-12-22 16:07:22 +03:00
|
|
|
void Thread::ResumeFromWait() {
|
2017-01-04 20:48:13 +03:00
|
|
|
ASSERT_MSG(wait_objects.empty(), "Thread is waking up while waiting for objects");
|
|
|
|
|
2015-01-26 09:56:17 +03:00
|
|
|
switch (status) {
|
2018-07-20 04:39:05 +03:00
|
|
|
case ThreadStatus::WaitSynchAll:
|
|
|
|
case ThreadStatus::WaitSynchAny:
|
|
|
|
case ThreadStatus::WaitHLEEvent:
|
|
|
|
case ThreadStatus::WaitSleep:
|
|
|
|
case ThreadStatus::WaitIPC:
|
|
|
|
case ThreadStatus::WaitMutex:
|
|
|
|
case ThreadStatus::WaitArb:
|
2016-09-18 03:38:01 +03:00
|
|
|
break;
|
|
|
|
|
2018-07-20 04:39:05 +03:00
|
|
|
case ThreadStatus::Ready:
|
2017-09-28 19:53:32 +03:00
|
|
|
// The thread's wakeup callback must have already been cleared when the thread was first
|
|
|
|
// awoken.
|
|
|
|
ASSERT(wakeup_callback == nullptr);
|
2016-09-18 03:38:01 +03:00
|
|
|
// If the thread is waiting on multiple wait objects, it might be awoken more than once
|
|
|
|
// before actually resuming. We can ignore subsequent wakeups if the thread status has
|
2018-07-20 04:39:05 +03:00
|
|
|
// already been set to ThreadStatus::Ready.
|
2016-09-18 03:38:01 +03:00
|
|
|
return;
|
|
|
|
|
2018-07-20 04:39:05 +03:00
|
|
|
case ThreadStatus::Running:
|
2018-04-27 14:54:05 +03:00
|
|
|
DEBUG_ASSERT_MSG(false, "Thread with object id {} has already resumed.", GetObjectId());
|
2016-09-18 03:38:01 +03:00
|
|
|
return;
|
2018-07-20 04:39:05 +03:00
|
|
|
case ThreadStatus::Dead:
|
2016-09-18 03:38:01 +03:00
|
|
|
// This should never happen, as threads must complete before being stopped.
|
2018-04-27 14:54:05 +03:00
|
|
|
DEBUG_ASSERT_MSG(false, "Thread with object id {} cannot be resumed because it's DEAD.",
|
2016-09-18 03:38:01 +03:00
|
|
|
GetObjectId());
|
|
|
|
return;
|
2014-05-21 03:37:46 +04:00
|
|
|
}
|
2015-05-25 21:34:09 +03:00
|
|
|
|
2017-09-28 19:53:32 +03:00
|
|
|
wakeup_callback = nullptr;
|
|
|
|
|
2018-07-20 04:39:05 +03:00
|
|
|
status = ThreadStatus::Ready;
|
2018-05-08 05:29:48 +03:00
|
|
|
|
2018-05-11 02:12:46 +03:00
|
|
|
boost::optional<s32> new_processor_id = GetNextProcessorId(affinity_mask);
|
2018-05-08 05:29:48 +03:00
|
|
|
if (!new_processor_id) {
|
|
|
|
new_processor_id = processor_id;
|
|
|
|
}
|
|
|
|
if (ideal_core != -1 &&
|
2018-07-19 01:10:06 +03:00
|
|
|
Core::System::GetInstance().Scheduler(ideal_core)->GetCurrentThread() == nullptr) {
|
2018-05-08 05:29:48 +03:00
|
|
|
new_processor_id = ideal_core;
|
|
|
|
}
|
|
|
|
|
|
|
|
ASSERT(*new_processor_id < 4);
|
|
|
|
|
|
|
|
// Add thread to new core's scheduler
|
2018-07-19 01:10:06 +03:00
|
|
|
auto& next_scheduler = Core::System::GetInstance().Scheduler(*new_processor_id);
|
2018-05-08 05:29:48 +03:00
|
|
|
|
|
|
|
if (*new_processor_id != processor_id) {
|
|
|
|
// Remove thread from previous core's scheduler
|
|
|
|
scheduler->RemoveThread(this);
|
|
|
|
next_scheduler->AddThread(this, current_priority);
|
|
|
|
}
|
|
|
|
|
|
|
|
processor_id = *new_processor_id;
|
|
|
|
|
|
|
|
// If the thread was ready, unschedule from the previous core and schedule on the new core
|
|
|
|
scheduler->UnscheduleThread(this, current_priority);
|
|
|
|
next_scheduler->ScheduleThread(this, current_priority);
|
|
|
|
|
|
|
|
// Change thread's scheduler
|
2018-10-05 21:51:16 +03:00
|
|
|
scheduler = next_scheduler.get();
|
2018-05-08 05:29:48 +03:00
|
|
|
|
2018-05-06 06:54:43 +03:00
|
|
|
Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
|
2014-05-21 03:37:46 +04:00
|
|
|
}
|
|
|
|
|
2016-09-02 15:53:42 +03:00
|
|
|
/**
|
|
|
|
* Resets a thread context, making it ready to be scheduled and run by the CPU
|
|
|
|
* @param context Thread context to reset
|
|
|
|
* @param stack_top Address of the top of the stack
|
|
|
|
* @param entry_point Address of entry point for execution
|
|
|
|
* @param arg User argument for thread
|
|
|
|
*/
|
2018-08-25 04:43:32 +03:00
|
|
|
static void ResetThreadContext(Core::ARM_Interface::ThreadContext& context, VAddr stack_top,
|
2017-09-21 06:14:06 +03:00
|
|
|
VAddr entry_point, u64 arg) {
|
2018-08-25 04:43:32 +03:00
|
|
|
memset(&context, 0, sizeof(Core::ARM_Interface::ThreadContext));
|
2016-09-02 15:53:42 +03:00
|
|
|
|
|
|
|
context.cpu_registers[0] = arg;
|
|
|
|
context.pc = entry_point;
|
|
|
|
context.sp = stack_top;
|
2018-09-18 09:49:40 +03:00
|
|
|
context.pstate = 0;
|
|
|
|
context.fpcr = 0;
|
2016-09-02 15:53:42 +03:00
|
|
|
}
|
|
|
|
|
2018-08-28 19:30:33 +03:00
|
|
|
ResultVal<SharedPtr<Thread>> Thread::Create(KernelCore& kernel, std::string name, VAddr entry_point,
|
|
|
|
u32 priority, u64 arg, s32 processor_id,
|
|
|
|
VAddr stack_top, SharedPtr<Process> owner_process) {
|
2017-05-21 10:11:36 +03:00
|
|
|
// Check if priority is in ranged. Lowest priority -> highest priority id.
|
|
|
|
if (priority > THREADPRIO_LOWEST) {
|
2018-07-02 19:13:26 +03:00
|
|
|
LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
|
2018-09-12 11:25:53 +03:00
|
|
|
return ERR_INVALID_THREAD_PRIORITY;
|
2017-05-21 10:11:36 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
if (processor_id > THREADPROCESSORID_MAX) {
|
2018-07-02 19:13:26 +03:00
|
|
|
LOG_ERROR(Kernel_SVC, "Invalid processor id: {}", processor_id);
|
2018-09-12 11:25:53 +03:00
|
|
|
return ERR_INVALID_PROCESSOR_ID;
|
2017-05-21 10:11:36 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
// TODO(yuriks): Other checks, returning 0xD9001BEA
|
2014-05-17 08:56:00 +04:00
|
|
|
|
2017-09-27 01:40:49 +03:00
|
|
|
if (!Memory::IsValidVirtualAddress(*owner_process, entry_point)) {
|
2018-07-02 19:13:26 +03:00
|
|
|
LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
|
2017-11-01 02:26:11 +03:00
|
|
|
// TODO (bunnei): Find the correct error code to use here
|
|
|
|
return ResultCode(-1);
|
2014-12-22 16:07:22 +03:00
|
|
|
}
|
2014-05-21 05:02:35 +04:00
|
|
|
|
2018-08-28 19:30:33 +03:00
|
|
|
SharedPtr<Thread> thread(new Thread(kernel));
|
2014-06-06 06:35:36 +04:00
|
|
|
|
2018-08-28 19:30:33 +03:00
|
|
|
thread->thread_id = kernel.CreateNewThreadID();
|
2018-07-20 04:39:05 +03:00
|
|
|
thread->status = ThreadStatus::Dormant;
|
2014-06-10 06:14:03 +04:00
|
|
|
thread->entry_point = entry_point;
|
|
|
|
thread->stack_top = stack_top;
|
2018-07-21 03:57:45 +03:00
|
|
|
thread->tpidr_el0 = 0;
|
2015-03-24 06:55:21 +03:00
|
|
|
thread->nominal_priority = thread->current_priority = priority;
|
|
|
|
thread->last_running_ticks = CoreTiming::GetTicks();
|
2014-06-10 06:14:03 +04:00
|
|
|
thread->processor_id = processor_id;
|
2018-05-08 04:57:42 +03:00
|
|
|
thread->ideal_core = processor_id;
|
2018-05-11 02:12:46 +03:00
|
|
|
thread->affinity_mask = 1ULL << processor_id;
|
2015-01-15 07:41:33 +03:00
|
|
|
thread->wait_objects.clear();
|
2018-04-20 20:01:14 +03:00
|
|
|
thread->mutex_wait_address = 0;
|
|
|
|
thread->condvar_wait_address = 0;
|
|
|
|
thread->wait_handle = 0;
|
2014-12-29 15:55:30 +03:00
|
|
|
thread->name = std::move(name);
|
2018-08-28 19:30:33 +03:00
|
|
|
thread->callback_handle = kernel.ThreadWakeupCallbackHandleTable().Create(thread).Unwrap();
|
2017-09-27 01:40:49 +03:00
|
|
|
thread->owner_process = owner_process;
|
2018-10-05 21:51:16 +03:00
|
|
|
thread->scheduler = Core::System::GetInstance().Scheduler(processor_id).get();
|
2018-05-03 05:36:51 +03:00
|
|
|
thread->scheduler->AddThread(thread, priority);
|
2018-09-21 08:26:29 +03:00
|
|
|
thread->tls_address = thread->owner_process->MarkNextAvailableTLSSlotAsUsed(*thread);
|
2015-05-11 02:43:59 +03:00
|
|
|
|
2015-01-26 09:56:17 +03:00
|
|
|
// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
|
|
|
|
// to initialize the context
|
2016-09-02 15:53:42 +03:00
|
|
|
ResetThreadContext(thread->context, stack_top, entry_point, arg);
|
2015-01-26 09:56:17 +03:00
|
|
|
|
2014-12-29 15:55:30 +03:00
|
|
|
return MakeResult<SharedPtr<Thread>>(std::move(thread));
|
2014-06-02 06:12:54 +04:00
|
|
|
}
|
|
|
|
|
2017-09-27 02:26:09 +03:00
|
|
|
void Thread::SetPriority(u32 priority) {
|
2017-01-11 20:08:10 +03:00
|
|
|
ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
|
|
|
|
"Invalid priority value.");
|
2018-04-21 04:15:16 +03:00
|
|
|
nominal_priority = priority;
|
|
|
|
UpdatePriority();
|
2014-06-02 06:12:54 +04:00
|
|
|
}
|
|
|
|
|
2017-09-27 02:26:09 +03:00
|
|
|
void Thread::BoostPriority(u32 priority) {
|
2018-05-03 05:36:51 +03:00
|
|
|
scheduler->SetThreadPriority(this, priority);
|
2015-04-04 01:40:16 +03:00
|
|
|
current_priority = priority;
|
|
|
|
}
|
|
|
|
|
2018-08-28 19:30:33 +03:00
|
|
|
SharedPtr<Thread> SetupMainThread(KernelCore& kernel, VAddr entry_point, u32 priority,
|
2018-09-21 04:09:57 +03:00
|
|
|
Process& owner_process) {
|
2017-10-10 06:56:20 +03:00
|
|
|
// Setup page table so we can write to memory
|
2018-09-30 01:47:00 +03:00
|
|
|
SetCurrentPageTable(&owner_process.VMManager().page_table);
|
2015-01-26 09:56:17 +03:00
|
|
|
|
2014-05-16 02:27:08 +04:00
|
|
|
// Initialize new "main" thread
|
2018-09-30 01:47:00 +03:00
|
|
|
const VAddr stack_top = owner_process.VMManager().GetTLSIORegionEndAddress();
|
2018-08-28 19:30:33 +03:00
|
|
|
auto thread_res = Thread::Create(kernel, "main", entry_point, priority, 0, THREADPROCESSORID_0,
|
2018-09-25 03:01:45 +03:00
|
|
|
stack_top, &owner_process);
|
2015-01-26 09:56:17 +03:00
|
|
|
|
2017-06-19 05:03:15 +03:00
|
|
|
SharedPtr<Thread> thread = std::move(thread_res).Unwrap();
|
2014-11-19 11:49:13 +03:00
|
|
|
|
2017-12-30 20:10:58 +03:00
|
|
|
// Register 1 must be a handle to the main thread
|
2018-10-04 01:47:57 +03:00
|
|
|
const Handle guest_handle = kernel.HandleTable().Create(thread).Unwrap();
|
|
|
|
thread->SetGuestHandle(guest_handle);
|
|
|
|
thread->GetContext().cpu_registers[1] = guest_handle;
|
2016-05-14 16:45:04 +03:00
|
|
|
|
2017-12-30 20:05:10 +03:00
|
|
|
// Threads by default are dormant, wake up the main thread so it runs when the scheduler fires
|
|
|
|
thread->ResumeFromWait();
|
|
|
|
|
2014-12-22 16:07:22 +03:00
|
|
|
return thread;
|
2014-05-16 02:27:08 +04:00
|
|
|
}
|
2014-05-15 04:50:30 +04:00
|
|
|
|
2015-01-21 04:53:52 +03:00
|
|
|
void Thread::SetWaitSynchronizationResult(ResultCode result) {
|
|
|
|
context.cpu_registers[0] = result.raw;
|
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::SetWaitSynchronizationOutput(s32 output) {
|
|
|
|
context.cpu_registers[1] = output;
|
2015-01-17 10:03:44 +03:00
|
|
|
}
|
|
|
|
|
2017-01-04 18:53:01 +03:00
|
|
|
s32 Thread::GetWaitObjectIndex(WaitObject* object) const {
|
2017-01-04 20:48:13 +03:00
|
|
|
ASSERT_MSG(!wait_objects.empty(), "Thread is not waiting for anything");
|
2017-01-04 18:53:01 +03:00
|
|
|
auto match = std::find(wait_objects.rbegin(), wait_objects.rend(), object);
|
2017-09-27 02:26:09 +03:00
|
|
|
return static_cast<s32>(std::distance(match, wait_objects.rend()) - 1);
|
2017-01-04 18:53:01 +03:00
|
|
|
}
|
|
|
|
|
2017-09-29 22:47:52 +03:00
|
|
|
VAddr Thread::GetCommandBufferAddress() const {
|
|
|
|
// Offset from the start of TLS at which the IPC command buffer begins.
|
|
|
|
static constexpr int CommandHeaderOffset = 0x80;
|
|
|
|
return GetTLSAddress() + CommandHeaderOffset;
|
2017-01-04 18:53:01 +03:00
|
|
|
}
|
|
|
|
|
2018-10-04 01:47:57 +03:00
|
|
|
void Thread::SetStatus(ThreadStatus new_status) {
|
|
|
|
if (new_status == status) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (status == ThreadStatus::Running) {
|
|
|
|
last_running_ticks = CoreTiming::GetTicks();
|
|
|
|
}
|
|
|
|
|
|
|
|
status = new_status;
|
|
|
|
}
|
|
|
|
|
2018-04-21 04:15:16 +03:00
|
|
|
void Thread::AddMutexWaiter(SharedPtr<Thread> thread) {
|
2018-08-13 00:35:27 +03:00
|
|
|
if (thread->lock_owner == this) {
|
|
|
|
// If the thread is already waiting for this thread to release the mutex, ensure that the
|
|
|
|
// waiters list is consistent and return without doing anything.
|
|
|
|
auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(itr != wait_mutex_threads.end());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// A thread can't wait on two different mutexes at the same time.
|
|
|
|
ASSERT(thread->lock_owner == nullptr);
|
|
|
|
|
|
|
|
// Ensure that the thread is not already in the list of mutex waiters
|
|
|
|
auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(itr == wait_mutex_threads.end());
|
|
|
|
|
2018-04-21 04:15:16 +03:00
|
|
|
thread->lock_owner = this;
|
|
|
|
wait_mutex_threads.emplace_back(std::move(thread));
|
|
|
|
UpdatePriority();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::RemoveMutexWaiter(SharedPtr<Thread> thread) {
|
2018-08-13 00:35:27 +03:00
|
|
|
ASSERT(thread->lock_owner == this);
|
|
|
|
|
|
|
|
// Ensure that the thread is in the list of mutex waiters
|
|
|
|
auto itr = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(itr != wait_mutex_threads.end());
|
|
|
|
|
2018-04-21 04:15:16 +03:00
|
|
|
boost::remove_erase(wait_mutex_threads, thread);
|
|
|
|
thread->lock_owner = nullptr;
|
|
|
|
UpdatePriority();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::UpdatePriority() {
|
|
|
|
// Find the highest priority among all the threads that are waiting for this thread's lock
|
|
|
|
u32 new_priority = nominal_priority;
|
|
|
|
for (const auto& thread : wait_mutex_threads) {
|
|
|
|
if (thread->nominal_priority < new_priority)
|
|
|
|
new_priority = thread->nominal_priority;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (new_priority == current_priority)
|
|
|
|
return;
|
|
|
|
|
2018-05-03 05:36:51 +03:00
|
|
|
scheduler->SetThreadPriority(this, new_priority);
|
2018-04-21 04:15:16 +03:00
|
|
|
|
|
|
|
current_priority = new_priority;
|
|
|
|
|
|
|
|
// Recursively update the priority of the thread that depends on the priority of this one.
|
|
|
|
if (lock_owner)
|
|
|
|
lock_owner->UpdatePriority();
|
|
|
|
}
|
|
|
|
|
2018-05-06 06:03:01 +03:00
|
|
|
void Thread::ChangeCore(u32 core, u64 mask) {
|
2018-05-08 05:29:48 +03:00
|
|
|
ideal_core = core;
|
2018-05-30 21:33:57 +03:00
|
|
|
affinity_mask = mask;
|
2018-05-06 06:03:01 +03:00
|
|
|
|
2018-07-20 04:39:05 +03:00
|
|
|
if (status != ThreadStatus::Ready) {
|
2018-05-06 06:03:01 +03:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-05-30 21:33:57 +03:00
|
|
|
boost::optional<s32> new_processor_id{GetNextProcessorId(affinity_mask)};
|
2018-05-06 06:03:01 +03:00
|
|
|
|
2018-05-08 05:29:48 +03:00
|
|
|
if (!new_processor_id) {
|
|
|
|
new_processor_id = processor_id;
|
|
|
|
}
|
|
|
|
if (ideal_core != -1 &&
|
2018-07-19 01:10:06 +03:00
|
|
|
Core::System::GetInstance().Scheduler(ideal_core)->GetCurrentThread() == nullptr) {
|
2018-05-08 05:29:48 +03:00
|
|
|
new_processor_id = ideal_core;
|
|
|
|
}
|
|
|
|
|
2018-05-30 19:32:46 +03:00
|
|
|
ASSERT(*new_processor_id < 4);
|
2018-05-06 06:03:01 +03:00
|
|
|
|
|
|
|
// Add thread to new core's scheduler
|
2018-07-19 01:10:06 +03:00
|
|
|
auto& next_scheduler = Core::System::GetInstance().Scheduler(*new_processor_id);
|
2018-05-06 06:03:01 +03:00
|
|
|
|
2018-05-08 05:29:48 +03:00
|
|
|
if (*new_processor_id != processor_id) {
|
|
|
|
// Remove thread from previous core's scheduler
|
|
|
|
scheduler->RemoveThread(this);
|
|
|
|
next_scheduler->AddThread(this, current_priority);
|
2018-05-06 06:03:01 +03:00
|
|
|
}
|
|
|
|
|
2018-05-08 05:29:48 +03:00
|
|
|
processor_id = *new_processor_id;
|
|
|
|
|
|
|
|
// If the thread was ready, unschedule from the previous core and schedule on the new core
|
|
|
|
scheduler->UnscheduleThread(this, current_priority);
|
|
|
|
next_scheduler->ScheduleThread(this, current_priority);
|
2018-05-06 06:03:01 +03:00
|
|
|
|
|
|
|
// Change thread's scheduler
|
2018-10-05 21:51:16 +03:00
|
|
|
scheduler = next_scheduler.get();
|
2018-05-08 05:29:48 +03:00
|
|
|
|
|
|
|
Core::System::GetInstance().CpuCore(processor_id).PrepareReschedule();
|
2018-05-06 06:03:01 +03:00
|
|
|
}
|
|
|
|
|
2018-10-04 01:47:57 +03:00
|
|
|
bool Thread::AllWaitObjectsReady() {
|
|
|
|
return std::none_of(
|
|
|
|
wait_objects.begin(), wait_objects.end(),
|
|
|
|
[this](const SharedPtr<WaitObject>& object) { return object->ShouldWait(this); });
|
|
|
|
}
|
|
|
|
|
|
|
|
bool Thread::InvokeWakeupCallback(ThreadWakeupReason reason, SharedPtr<Thread> thread,
|
|
|
|
SharedPtr<WaitObject> object, std::size_t index) {
|
|
|
|
ASSERT(wakeup_callback);
|
|
|
|
return wakeup_callback(reason, std::move(thread), std::move(object), index);
|
|
|
|
}
|
|
|
|
|
2014-05-17 08:56:00 +04:00
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
2014-05-16 02:27:08 +04:00
|
|
|
|
2018-02-18 23:17:16 +03:00
|
|
|
/**
|
|
|
|
* Gets the current thread
|
|
|
|
*/
|
|
|
|
Thread* GetCurrentThread() {
|
2018-05-03 05:36:51 +03:00
|
|
|
return Core::System::GetInstance().CurrentScheduler().GetCurrentThread();
|
2018-02-18 23:17:16 +03:00
|
|
|
}
|
|
|
|
|
2018-01-08 19:35:03 +03:00
|
|
|
} // namespace Kernel
|