2014-05-10 02:11:18 +00:00
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// Copyright 2014 Citra Emulator Project / PPSSPP Project
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2014-12-17 05:38:14 +00:00
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// Licensed under GPLv2 or any later version
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2014-11-19 08:49:13 +00:00
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// Refer to the license.txt file included.
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2014-05-10 02:11:18 +00:00
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2014-06-06 02:35:36 +00:00
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#include <algorithm>
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2018-02-14 05:33:15 +00:00
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#include <cinttypes>
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2018-10-30 04:03:25 +00:00
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#include <optional>
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2014-08-18 03:03:22 +00:00
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#include <vector>
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2018-07-31 12:06:09 +00:00
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2015-05-06 07:06:12 +00:00
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#include "common/assert.h"
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#include "common/common_types.h"
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2020-02-25 02:04:12 +00:00
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#include "common/fiber.h"
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2015-05-06 07:06:12 +00:00
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#include "common/logging/log.h"
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2014-05-15 22:27:08 +00:00
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#include "common/thread_queue_list.h"
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2014-05-14 02:00:11 +00:00
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#include "core/core.h"
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2020-02-25 02:04:12 +00:00
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#include "core/cpu_manager.h"
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2020-02-11 23:56:24 +00:00
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#include "core/hardware_properties.h"
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2017-05-21 07:11:36 +00:00
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#include "core/hle/kernel/errors.h"
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2017-05-29 23:45:42 +00:00
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#include "core/hle/kernel/handle_table.h"
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2020-12-03 02:08:35 +00:00
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#include "core/hle/kernel/k_scheduler.h"
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2020-12-04 05:56:02 +00:00
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#include "core/hle/kernel/k_scoped_scheduler_lock_and_sleep.h"
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2018-08-28 16:30:33 +00:00
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#include "core/hle/kernel/kernel.h"
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2018-08-02 02:40:00 +00:00
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#include "core/hle/kernel/object.h"
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2016-09-18 00:38:01 +00:00
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#include "core/hle/kernel/process.h"
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2016-09-21 06:52:38 +00:00
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#include "core/hle/kernel/thread.h"
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2020-02-25 02:04:12 +00:00
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#include "core/hle/kernel/time_manager.h"
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2014-10-23 03:20:01 +00:00
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#include "core/hle/result.h"
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2015-05-13 01:38:29 +00:00
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#include "core/memory.h"
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2014-05-10 02:11:18 +00:00
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2020-07-15 17:13:31 +00:00
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#ifdef ARCHITECTURE_x86_64
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#include "core/arm/dynarmic/arm_dynarmic_32.h"
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#include "core/arm/dynarmic/arm_dynarmic_64.h"
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#endif
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2014-05-20 23:37:46 +00:00
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namespace Kernel {
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2014-05-14 02:00:11 +00:00
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2020-02-11 21:36:39 +00:00
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bool Thread::IsSignaled() const {
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2020-12-22 06:36:53 +00:00
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return signaled;
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2020-02-11 21:36:39 +00:00
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}
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2020-12-22 06:36:53 +00:00
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Thread::Thread(KernelCore& kernel) : KSynchronizationObject{kernel} {}
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2018-08-28 16:30:33 +00:00
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Thread::~Thread() = default;
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2015-01-31 21:22:40 +00:00
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2015-01-26 06:56:17 +00:00
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void Thread::Stop() {
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2020-03-03 17:02:50 +00:00
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{
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2020-12-22 06:36:53 +00:00
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SetState(ThreadStatus::Dead);
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signaled = true;
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NotifyAvailable();
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2020-03-03 17:37:11 +00:00
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kernel.GlobalHandleTable().Close(global_handle);
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2020-03-03 17:02:50 +00:00
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2020-03-12 00:44:53 +00:00
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if (owner_process) {
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owner_process->UnregisterThread(this);
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2020-03-03 17:02:50 +00:00
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2020-03-12 00:44:53 +00:00
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// Mark the TLS slot in the thread's page as free.
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owner_process->FreeTLSRegion(tls_address);
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}
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2020-03-07 18:16:25 +00:00
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has_exited = true;
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2020-03-03 17:02:50 +00:00
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}
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2020-02-14 13:30:53 +00:00
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global_handle = 0;
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2014-05-14 02:00:11 +00:00
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}
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2020-12-22 06:36:53 +00:00
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void Thread::Wakeup() {
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2015-01-26 06:56:17 +00:00
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switch (status) {
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2020-04-15 17:48:14 +00:00
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case ThreadStatus::Paused:
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2019-04-17 11:21:19 +00:00
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case ThreadStatus::WaitSynch:
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2018-07-20 01:39:05 +00:00
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case ThreadStatus::WaitHLEEvent:
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case ThreadStatus::WaitSleep:
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case ThreadStatus::WaitIPC:
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case ThreadStatus::WaitMutex:
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2019-03-13 23:55:04 +00:00
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case ThreadStatus::WaitCondVar:
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2018-07-20 01:39:05 +00:00
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case ThreadStatus::WaitArb:
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2020-04-15 17:48:14 +00:00
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case ThreadStatus::Dormant:
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2016-09-18 00:38:01 +00:00
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break;
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2018-07-20 01:39:05 +00:00
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case ThreadStatus::Ready:
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2016-09-18 00:38:01 +00:00
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// If the thread is waiting on multiple wait objects, it might be awoken more than once
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// before actually resuming. We can ignore subsequent wakeups if the thread status has
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2018-07-20 01:39:05 +00:00
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// already been set to ThreadStatus::Ready.
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2016-09-18 00:38:01 +00:00
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return;
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2018-07-20 01:39:05 +00:00
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case ThreadStatus::Dead:
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2016-09-18 00:38:01 +00:00
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// This should never happen, as threads must complete before being stopped.
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2018-04-27 11:54:05 +00:00
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DEBUG_ASSERT_MSG(false, "Thread with object id {} cannot be resumed because it's DEAD.",
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2016-09-18 00:38:01 +00:00
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GetObjectId());
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return;
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2014-05-20 23:37:46 +00:00
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}
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2015-05-25 18:34:09 +00:00
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2020-12-22 06:36:53 +00:00
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SetState(ThreadStatus::Ready);
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2014-05-20 23:37:46 +00:00
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}
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2020-02-25 02:04:12 +00:00
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void Thread::OnWakeUp() {
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2020-12-22 06:36:53 +00:00
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SetState(ThreadStatus::Ready);
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2020-02-25 02:04:12 +00:00
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}
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2020-02-25 16:40:33 +00:00
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ResultCode Thread::Start() {
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2020-12-22 06:36:53 +00:00
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SetState(ThreadStatus::Ready);
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2020-02-25 16:40:33 +00:00
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return RESULT_SUCCESS;
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}
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2019-04-17 11:08:12 +00:00
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void Thread::CancelWait() {
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2020-12-22 06:36:53 +00:00
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if (GetState() != ThreadSchedStatus::Paused || !is_cancellable) {
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2019-11-16 15:05:39 +00:00
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is_sync_cancelled = true;
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return;
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}
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2020-03-07 16:44:35 +00:00
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// TODO(Blinkhawk): Implement cancel of server session
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2019-11-16 15:05:39 +00:00
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is_sync_cancelled = false;
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2020-02-25 20:38:33 +00:00
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SetSynchronizationResults(nullptr, ERR_SYNCHRONIZATION_CANCELED);
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2020-12-22 06:36:53 +00:00
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SetState(ThreadStatus::Ready);
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2019-04-17 11:08:12 +00:00
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}
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2020-03-02 04:46:10 +00:00
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static void ResetThreadContext32(Core::ARM_Interface::ThreadContext32& context, u32 stack_top,
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u32 entry_point, u32 arg) {
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context = {};
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context.cpu_registers[0] = arg;
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context.cpu_registers[15] = entry_point;
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context.cpu_registers[13] = stack_top;
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}
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static void ResetThreadContext64(Core::ARM_Interface::ThreadContext64& context, VAddr stack_top,
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VAddr entry_point, u64 arg) {
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2018-10-12 14:57:28 +00:00
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context = {};
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2016-09-02 12:53:42 +00:00
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context.cpu_registers[0] = arg;
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context.pc = entry_point;
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context.sp = stack_top;
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2018-12-17 23:04:02 +00:00
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// TODO(merry): Perform a hardware test to determine the below value.
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2020-04-19 07:37:20 +00:00
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context.fpcr = 0;
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2016-09-02 12:53:42 +00:00
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}
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2020-05-13 18:17:34 +00:00
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std::shared_ptr<Common::Fiber>& Thread::GetHostContext() {
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2020-02-25 02:04:12 +00:00
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return host_context;
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}
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ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags,
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std::string name, VAddr entry_point, u32 priority,
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u64 arg, s32 processor_id, VAddr stack_top,
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Process* owner_process) {
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2020-07-16 17:28:10 +00:00
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std::function<void(void*)> init_func = Core::CpuManager::GetGuestThreadStartFunc();
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2020-02-25 02:04:12 +00:00
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void* init_func_parameter = system.GetCpuManager().GetStartFuncParamater();
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return Create(system, type_flags, name, entry_point, priority, arg, processor_id, stack_top,
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owner_process, std::move(init_func), init_func_parameter);
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}
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ResultVal<std::shared_ptr<Thread>> Thread::Create(Core::System& system, ThreadType type_flags,
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std::string name, VAddr entry_point, u32 priority,
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u64 arg, s32 processor_id, VAddr stack_top,
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Process* owner_process,
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std::function<void(void*)>&& thread_start_func,
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void* thread_start_parameter) {
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auto& kernel = system.Kernel();
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2017-05-21 07:11:36 +00:00
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// Check if priority is in ranged. Lowest priority -> highest priority id.
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2020-02-25 16:40:33 +00:00
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if (priority > THREADPRIO_LOWEST && ((type_flags & THREADTYPE_IDLE) == 0)) {
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2018-07-02 16:13:26 +00:00
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LOG_ERROR(Kernel_SVC, "Invalid thread priority: {}", priority);
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2018-09-12 08:25:53 +00:00
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return ERR_INVALID_THREAD_PRIORITY;
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2017-05-21 07:11:36 +00:00
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}
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if (processor_id > THREADPROCESSORID_MAX) {
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2018-07-02 16:13:26 +00:00
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LOG_ERROR(Kernel_SVC, "Invalid processor id: {}", processor_id);
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2018-09-12 08:25:53 +00:00
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return ERR_INVALID_PROCESSOR_ID;
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2017-05-21 07:11:36 +00:00
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}
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2020-02-25 02:04:12 +00:00
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if (owner_process) {
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if (!system.Memory().IsValidVirtualAddress(*owner_process, entry_point)) {
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LOG_ERROR(Kernel_SVC, "(name={}): invalid entry {:016X}", name, entry_point);
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// TODO (bunnei): Find the correct error code to use here
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return RESULT_UNKNOWN;
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}
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2014-12-22 13:07:22 +00:00
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}
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2014-05-21 01:02:35 +00:00
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2019-11-25 01:15:51 +00:00
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std::shared_ptr<Thread> thread = std::make_shared<Thread>(kernel);
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2014-06-06 02:35:36 +00:00
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2018-08-28 16:30:33 +00:00
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thread->thread_id = kernel.CreateNewThreadID();
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2018-07-20 01:39:05 +00:00
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thread->status = ThreadStatus::Dormant;
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2014-06-10 02:14:03 +00:00
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thread->entry_point = entry_point;
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thread->stack_top = stack_top;
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2020-12-03 02:08:35 +00:00
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thread->disable_count = 1;
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2018-07-21 00:57:45 +00:00
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thread->tpidr_el0 = 0;
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2015-03-24 03:55:21 +00:00
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thread->nominal_priority = thread->current_priority = priority;
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2020-12-03 02:08:35 +00:00
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thread->schedule_count = -1;
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thread->last_scheduled_tick = 0;
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2014-06-10 02:14:03 +00:00
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thread->processor_id = processor_id;
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2018-05-08 01:57:42 +00:00
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thread->ideal_core = processor_id;
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2020-11-17 05:02:45 +00:00
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thread->affinity_mask.SetAffinity(processor_id, true);
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2018-04-20 17:01:14 +00:00
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thread->mutex_wait_address = 0;
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thread->condvar_wait_address = 0;
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thread->wait_handle = 0;
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2014-12-29 12:55:30 +00:00
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thread->name = std::move(name);
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2020-02-14 13:30:53 +00:00
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thread->global_handle = kernel.GlobalHandleTable().Create(thread).Unwrap();
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2020-02-25 02:04:12 +00:00
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thread->owner_process = owner_process;
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thread->type = type_flags;
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2020-12-22 06:36:53 +00:00
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thread->signaled = false;
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2020-02-25 02:04:12 +00:00
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if ((type_flags & THREADTYPE_IDLE) == 0) {
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2020-12-03 02:08:35 +00:00
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auto& scheduler = kernel.GlobalSchedulerContext();
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2020-02-25 02:04:12 +00:00
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scheduler.AddThread(thread);
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}
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if (owner_process) {
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thread->tls_address = thread->owner_process->CreateTLSRegion();
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thread->owner_process->RegisterThread(thread.get());
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} else {
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thread->tls_address = 0;
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}
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2020-11-04 00:54:53 +00:00
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2020-11-13 19:11:12 +00:00
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// TODO(peachum): move to ScheduleThread() when scheduler is added so selected core is used
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// to initialize the context
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2020-02-25 02:04:12 +00:00
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if ((type_flags & THREADTYPE_HLE) == 0) {
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ResetThreadContext32(thread->context_32, static_cast<u32>(stack_top),
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static_cast<u32>(entry_point), static_cast<u32>(arg));
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ResetThreadContext64(thread->context_64, stack_top, entry_point, arg);
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}
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thread->host_context =
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2020-03-07 22:59:42 +00:00
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std::make_shared<Common::Fiber>(std::move(thread_start_func), thread_start_parameter);
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2015-01-26 06:56:17 +00:00
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2019-11-25 01:15:51 +00:00
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return MakeResult<std::shared_ptr<Thread>>(std::move(thread));
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2014-06-02 02:12:54 +00:00
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}
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2017-09-26 23:26:09 +00:00
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void Thread::SetPriority(u32 priority) {
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2020-12-04 06:26:42 +00:00
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KScopedSchedulerLock lock(kernel);
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2017-01-11 17:08:10 +00:00
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ASSERT_MSG(priority <= THREADPRIO_LOWEST && priority >= THREADPRIO_HIGHEST,
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"Invalid priority value.");
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2018-04-21 01:15:16 +00:00
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nominal_priority = priority;
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UpdatePriority();
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2014-06-02 02:12:54 +00:00
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}
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2020-12-22 06:36:53 +00:00
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void Thread::SetSynchronizationResults(KSynchronizationObject* object, ResultCode result) {
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2020-02-25 20:38:33 +00:00
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signaling_object = object;
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signaling_result = result;
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2015-01-17 07:03:44 +00:00
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}
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2017-09-29 19:47:52 +00:00
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VAddr Thread::GetCommandBufferAddress() const {
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// Offset from the start of TLS at which the IPC command buffer begins.
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2019-04-01 21:59:43 +00:00
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constexpr u64 command_header_offset = 0x80;
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return GetTLSAddress() + command_header_offset;
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2017-01-04 15:53:01 +00:00
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}
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2020-12-22 06:36:53 +00:00
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void Thread::SetState(ThreadStatus new_status) {
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2018-10-03 22:47:57 +00:00
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if (new_status == status) {
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return;
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}
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2019-03-29 21:01:46 +00:00
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switch (new_status) {
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case ThreadStatus::Ready:
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SetSchedulingStatus(ThreadSchedStatus::Runnable);
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break;
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case ThreadStatus::Dormant:
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SetSchedulingStatus(ThreadSchedStatus::None);
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break;
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case ThreadStatus::Dead:
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SetSchedulingStatus(ThreadSchedStatus::Exited);
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break;
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default:
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|
SetSchedulingStatus(ThreadSchedStatus::Paused);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2018-10-03 22:47:57 +00:00
|
|
|
status = new_status;
|
|
|
|
}
|
|
|
|
|
2019-11-25 01:15:51 +00:00
|
|
|
void Thread::AddMutexWaiter(std::shared_ptr<Thread> thread) {
|
|
|
|
if (thread->lock_owner.get() == this) {
|
2018-08-12 21:35:27 +00:00
|
|
|
// 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.
|
2019-03-15 05:02:13 +00:00
|
|
|
const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(iter != wait_mutex_threads.end());
|
2018-08-12 21:35:27 +00:00
|
|
|
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
|
2019-03-15 05:02:13 +00:00
|
|
|
const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(iter == wait_mutex_threads.end());
|
|
|
|
|
|
|
|
// Keep the list in an ordered fashion
|
|
|
|
const auto insertion_point = std::find_if(
|
|
|
|
wait_mutex_threads.begin(), wait_mutex_threads.end(),
|
|
|
|
[&thread](const auto& entry) { return entry->GetPriority() > thread->GetPriority(); });
|
|
|
|
wait_mutex_threads.insert(insertion_point, thread);
|
2019-11-25 01:15:51 +00:00
|
|
|
thread->lock_owner = SharedFrom(this);
|
2019-03-15 05:02:13 +00:00
|
|
|
|
2018-04-21 01:15:16 +00:00
|
|
|
UpdatePriority();
|
|
|
|
}
|
|
|
|
|
2019-11-25 01:15:51 +00:00
|
|
|
void Thread::RemoveMutexWaiter(std::shared_ptr<Thread> thread) {
|
|
|
|
ASSERT(thread->lock_owner.get() == this);
|
2018-08-12 21:35:27 +00:00
|
|
|
|
|
|
|
// Ensure that the thread is in the list of mutex waiters
|
2019-03-15 05:02:13 +00:00
|
|
|
const auto iter = std::find(wait_mutex_threads.begin(), wait_mutex_threads.end(), thread);
|
|
|
|
ASSERT(iter != wait_mutex_threads.end());
|
|
|
|
|
|
|
|
wait_mutex_threads.erase(iter);
|
2018-08-12 21:35:27 +00:00
|
|
|
|
2018-04-21 01:15:16 +00:00
|
|
|
thread->lock_owner = nullptr;
|
|
|
|
UpdatePriority();
|
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::UpdatePriority() {
|
2019-03-15 01:58:23 +00:00
|
|
|
// If any of the threads waiting on the mutex have a higher priority
|
|
|
|
// (taking into account priority inheritance), then this thread inherits
|
|
|
|
// that thread's priority.
|
2018-04-21 01:15:16 +00:00
|
|
|
u32 new_priority = nominal_priority;
|
2019-03-15 01:47:46 +00:00
|
|
|
if (!wait_mutex_threads.empty()) {
|
2019-03-15 01:51:03 +00:00
|
|
|
if (wait_mutex_threads.front()->current_priority < new_priority) {
|
2019-03-15 01:47:46 +00:00
|
|
|
new_priority = wait_mutex_threads.front()->current_priority;
|
2019-03-15 01:51:03 +00:00
|
|
|
}
|
2018-04-21 01:15:16 +00:00
|
|
|
}
|
|
|
|
|
2019-03-15 01:51:03 +00:00
|
|
|
if (new_priority == current_priority) {
|
2018-04-21 01:15:16 +00:00
|
|
|
return;
|
2019-03-15 01:51:03 +00:00
|
|
|
}
|
2018-04-21 01:15:16 +00:00
|
|
|
|
2019-11-15 00:13:18 +00:00
|
|
|
if (GetStatus() == ThreadStatus::WaitCondVar) {
|
2019-11-25 01:15:51 +00:00
|
|
|
owner_process->RemoveConditionVariableThread(SharedFrom(this));
|
2019-11-15 00:13:18 +00:00
|
|
|
}
|
|
|
|
|
2019-03-29 21:01:46 +00:00
|
|
|
SetCurrentPriority(new_priority);
|
2018-04-21 01:15:16 +00:00
|
|
|
|
2019-11-15 00:13:18 +00:00
|
|
|
if (GetStatus() == ThreadStatus::WaitCondVar) {
|
2019-11-25 01:15:51 +00:00
|
|
|
owner_process->InsertConditionVariableThread(SharedFrom(this));
|
2019-11-15 00:13:18 +00:00
|
|
|
}
|
|
|
|
|
2019-03-15 05:02:13 +00:00
|
|
|
if (!lock_owner) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Ensure that the thread is within the correct location in the waiting list.
|
2019-03-20 02:45:34 +00:00
|
|
|
auto old_owner = lock_owner;
|
2019-11-25 01:15:51 +00:00
|
|
|
lock_owner->RemoveMutexWaiter(SharedFrom(this));
|
|
|
|
old_owner->AddMutexWaiter(SharedFrom(this));
|
2019-03-15 05:02:13 +00:00
|
|
|
|
2018-04-21 01:15:16 +00:00
|
|
|
// Recursively update the priority of the thread that depends on the priority of this one.
|
2019-03-15 05:02:13 +00:00
|
|
|
lock_owner->UpdatePriority();
|
2018-04-21 01:15:16 +00:00
|
|
|
}
|
|
|
|
|
2020-03-07 16:44:35 +00:00
|
|
|
ResultCode Thread::SetActivity(ThreadActivity value) {
|
2020-12-04 06:26:42 +00:00
|
|
|
KScopedSchedulerLock lock(kernel);
|
2020-03-07 16:44:35 +00:00
|
|
|
|
2020-12-22 06:36:53 +00:00
|
|
|
auto sched_status = GetState();
|
2020-03-07 16:44:35 +00:00
|
|
|
|
|
|
|
if (sched_status != ThreadSchedStatus::Runnable && sched_status != ThreadSchedStatus::Paused) {
|
|
|
|
return ERR_INVALID_STATE;
|
|
|
|
}
|
|
|
|
|
2020-12-22 06:36:53 +00:00
|
|
|
if (IsTerminationRequested()) {
|
2020-03-07 16:44:35 +00:00
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
2018-12-03 17:25:27 +00:00
|
|
|
|
|
|
|
if (value == ThreadActivity::Paused) {
|
2020-03-07 22:59:42 +00:00
|
|
|
if ((pausing_state & static_cast<u32>(ThreadSchedFlags::ThreadPauseFlag)) != 0) {
|
2020-03-07 16:44:35 +00:00
|
|
|
return ERR_INVALID_STATE;
|
2018-12-03 17:25:27 +00:00
|
|
|
}
|
2020-03-07 16:44:35 +00:00
|
|
|
AddSchedulingFlag(ThreadSchedFlags::ThreadPauseFlag);
|
|
|
|
} else {
|
2020-03-07 22:59:42 +00:00
|
|
|
if ((pausing_state & static_cast<u32>(ThreadSchedFlags::ThreadPauseFlag)) == 0) {
|
2020-03-07 16:44:35 +00:00
|
|
|
return ERR_INVALID_STATE;
|
|
|
|
}
|
|
|
|
RemoveSchedulingFlag(ThreadSchedFlags::ThreadPauseFlag);
|
2018-12-03 17:25:27 +00:00
|
|
|
}
|
2020-03-07 16:44:35 +00:00
|
|
|
return RESULT_SUCCESS;
|
2018-12-03 17:25:27 +00:00
|
|
|
}
|
|
|
|
|
2020-02-25 16:40:33 +00:00
|
|
|
ResultCode Thread::Sleep(s64 nanoseconds) {
|
2020-02-25 02:04:12 +00:00
|
|
|
Handle event_handle{};
|
|
|
|
{
|
2020-12-04 05:56:02 +00:00
|
|
|
KScopedSchedulerLockAndSleep lock(kernel, event_handle, this, nanoseconds);
|
2020-12-22 06:36:53 +00:00
|
|
|
SetState(ThreadStatus::WaitSleep);
|
2020-02-25 02:04:12 +00:00
|
|
|
}
|
2019-03-16 03:28:29 +00:00
|
|
|
|
2020-02-25 02:04:12 +00:00
|
|
|
if (event_handle != InvalidHandle) {
|
|
|
|
auto& time_manager = kernel.TimeManager();
|
|
|
|
time_manager.UnscheduleTimeEvent(event_handle);
|
|
|
|
}
|
2020-02-25 16:40:33 +00:00
|
|
|
return RESULT_SUCCESS;
|
2019-03-16 03:28:29 +00:00
|
|
|
}
|
|
|
|
|
2020-03-07 16:44:35 +00:00
|
|
|
void Thread::AddSchedulingFlag(ThreadSchedFlags flag) {
|
|
|
|
const u32 old_state = scheduling_state;
|
|
|
|
pausing_state |= static_cast<u32>(flag);
|
2020-12-22 06:36:53 +00:00
|
|
|
const u32 base_scheduling = static_cast<u32>(GetState());
|
2020-03-07 16:44:35 +00:00
|
|
|
scheduling_state = base_scheduling | pausing_state;
|
2020-12-03 02:08:35 +00:00
|
|
|
KScheduler::OnThreadStateChanged(kernel, this, old_state);
|
2020-03-07 16:44:35 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::RemoveSchedulingFlag(ThreadSchedFlags flag) {
|
|
|
|
const u32 old_state = scheduling_state;
|
|
|
|
pausing_state &= ~static_cast<u32>(flag);
|
2020-12-22 06:36:53 +00:00
|
|
|
const u32 base_scheduling = static_cast<u32>(GetState());
|
2020-03-07 16:44:35 +00:00
|
|
|
scheduling_state = base_scheduling | pausing_state;
|
2020-12-03 02:08:35 +00:00
|
|
|
KScheduler::OnThreadStateChanged(kernel, this, old_state);
|
2020-03-07 16:44:35 +00:00
|
|
|
}
|
|
|
|
|
2019-03-29 21:01:46 +00:00
|
|
|
void Thread::SetSchedulingStatus(ThreadSchedStatus new_status) {
|
2020-03-07 16:44:35 +00:00
|
|
|
const u32 old_state = scheduling_state;
|
2019-10-12 14:13:25 +00:00
|
|
|
scheduling_state = (scheduling_state & static_cast<u32>(ThreadSchedMasks::HighMask)) |
|
|
|
|
static_cast<u32>(new_status);
|
2020-12-03 02:08:35 +00:00
|
|
|
KScheduler::OnThreadStateChanged(kernel, this, old_state);
|
2019-03-29 21:01:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void Thread::SetCurrentPriority(u32 new_priority) {
|
2019-10-12 14:13:25 +00:00
|
|
|
const u32 old_priority = std::exchange(current_priority, new_priority);
|
2020-12-03 02:08:35 +00:00
|
|
|
KScheduler::OnThreadPriorityChanged(kernel, this, kernel.CurrentScheduler()->GetCurrentThread(),
|
|
|
|
old_priority);
|
2019-03-29 21:01:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
ResultCode Thread::SetCoreAndAffinityMask(s32 new_core, u64 new_affinity_mask) {
|
2020-12-04 06:26:42 +00:00
|
|
|
KScopedSchedulerLock lock(kernel);
|
2019-06-19 13:11:18 +00:00
|
|
|
const auto HighestSetCore = [](u64 mask, u32 max_cores) {
|
2019-11-12 08:32:53 +00:00
|
|
|
for (s32 core = static_cast<s32>(max_cores - 1); core >= 0; core--) {
|
2019-06-19 13:11:18 +00:00
|
|
|
if (((mask >> core) & 1) != 0) {
|
2019-03-29 21:01:46 +00:00
|
|
|
return core;
|
2019-06-19 13:11:18 +00:00
|
|
|
}
|
2019-03-29 21:01:46 +00:00
|
|
|
}
|
|
|
|
return -1;
|
|
|
|
};
|
2019-06-19 13:11:18 +00:00
|
|
|
|
|
|
|
const bool use_override = affinity_override_count != 0;
|
2019-10-12 14:55:34 +00:00
|
|
|
if (new_core == THREADPROCESSORID_DONT_UPDATE) {
|
2019-03-29 21:01:46 +00:00
|
|
|
new_core = use_override ? ideal_core_override : ideal_core;
|
2019-10-12 14:13:25 +00:00
|
|
|
if ((new_affinity_mask & (1ULL << new_core)) == 0) {
|
2020-04-29 04:53:53 +00:00
|
|
|
LOG_ERROR(Kernel, "New affinity mask is incorrect! new_core={}, new_affinity_mask={}",
|
|
|
|
new_core, new_affinity_mask);
|
2019-03-29 21:01:46 +00:00
|
|
|
return ERR_INVALID_COMBINATION;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (use_override) {
|
|
|
|
ideal_core_override = new_core;
|
|
|
|
} else {
|
2020-12-03 02:08:35 +00:00
|
|
|
const auto old_affinity_mask = affinity_mask;
|
2020-11-17 05:02:45 +00:00
|
|
|
affinity_mask.SetAffinityMask(new_affinity_mask);
|
2019-03-29 21:01:46 +00:00
|
|
|
ideal_core = new_core;
|
2020-12-03 02:08:35 +00:00
|
|
|
if (old_affinity_mask.GetAffinityMask() != new_affinity_mask) {
|
2019-06-19 13:11:18 +00:00
|
|
|
const s32 old_core = processor_id;
|
2020-11-17 05:02:45 +00:00
|
|
|
if (processor_id >= 0 && !affinity_mask.GetAffinity(processor_id)) {
|
2020-10-21 02:07:39 +00:00
|
|
|
if (static_cast<s32>(ideal_core) < 0) {
|
2020-11-17 05:02:45 +00:00
|
|
|
processor_id = HighestSetCore(affinity_mask.GetAffinityMask(),
|
|
|
|
Core::Hardware::NUM_CPU_CORES);
|
2019-03-29 21:01:46 +00:00
|
|
|
} else {
|
|
|
|
processor_id = ideal_core;
|
|
|
|
}
|
|
|
|
}
|
2020-12-03 02:08:35 +00:00
|
|
|
KScheduler::OnThreadAffinityMaskChanged(kernel, this, old_affinity_mask, old_core);
|
2019-03-29 21:01:46 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
2018-01-08 16:35:03 +00:00
|
|
|
} // namespace Kernel
|