AddressArbiter: Changed to Kernel::Object, big cleanup, removed code that made no sense.

This commit is contained in:
bunnei 2015-01-18 13:56:40 -05:00
parent e5a9f1c644
commit 254e4ebd58
5 changed files with 45 additions and 38 deletions

View file

@ -83,8 +83,8 @@ static void ChangeReadyState(Thread* t, bool ready) {
}
}
/// Check if a thread is blocking on a the specified object
static bool CheckWaitType(const Thread* thread, Object* wait_object) {
/// Check if a thread is waiting on a the specified wait object
static bool CheckWait_WaitObject(const Thread* thread, WaitObject* wait_object) {
for (auto itr = thread->wait_objects.begin(); itr != thread->wait_objects.end(); ++itr) {
if (*itr == wait_object)
return (thread->IsWaiting());
@ -92,9 +92,9 @@ static bool CheckWaitType(const Thread* thread, Object* wait_object) {
return false;
}
/// Check if a thread is blocking on a the specified object and an address
static bool CheckWaitType(const Thread* thread, Object* wait_object, VAddr wait_address) {
return CheckWaitType(thread, wait_object) && (wait_address == thread->wait_address);
/// Check if the specified thread is waiting on the specified address to be arbitrated
static bool CheckWait_AddressArbiter(const Thread* thread, VAddr wait_address) {
return thread->IsWaiting() && thread->wait_objects.empty() && wait_address == thread->wait_address;
}
/// Stops the current thread
@ -121,17 +121,17 @@ static void ChangeThreadState(Thread* t, ThreadStatus new_status) {
}
/// Arbitrate the highest priority thread that is waiting
Thread* ArbitrateHighestPriorityThread(WaitObject* arbiter, u32 address) {
Thread* ArbitrateHighestPriorityThread(u32 address) {
Thread* highest_priority_thread = nullptr;
s32 priority = THREADPRIO_LOWEST;
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
for (auto& thread : thread_list) {
if (!CheckWaitType(thread.get(), arbiter, address))
if (!CheckWait_AddressArbiter(thread.get(), address))
continue;
if (thread == nullptr)
continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
continue;
if(thread->current_priority <= priority) {
highest_priority_thread = thread.get();
@ -141,19 +141,19 @@ Thread* ArbitrateHighestPriorityThread(WaitObject* arbiter, u32 address) {
// If a thread was arbitrated, resume it
if (nullptr != highest_priority_thread) {
highest_priority_thread->ReleaseFromWait(arbiter);
highest_priority_thread->ResumeFromWait();
}
return highest_priority_thread;
}
/// Arbitrate all threads currently waiting
void ArbitrateAllThreads(WaitObject* arbiter, u32 address) {
void ArbitrateAllThreads(u32 address) {
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
for (auto& thread : thread_list) {
if (CheckWaitType(thread.get(), arbiter, address))
thread->ReleaseFromWait(arbiter);
if (CheckWait_AddressArbiter(thread.get(), address))
thread->ResumeFromWait();
}
}
@ -202,21 +202,28 @@ static Thread* NextThread() {
return next;
}
void WaitCurrentThread() {
void WaitCurrentThread_Sleep() {
Thread* thread = GetCurrentThread();
thread->wait_all = false;
thread->wait_address = 0;
thread->wait_objects.clear();
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
void WaitCurrentThread_WaitSynchronization(WaitObject* wait_object, bool wait_all) {
Thread* thread = GetCurrentThread();
thread->wait_all = wait_all;
thread->wait_address = 0;
thread->wait_objects.push_back(wait_object);
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
void WaitCurrentThread_ArbitrateAddress(WaitObject* wait_object, VAddr wait_address) {
WaitCurrentThread_WaitSynchronization(wait_object);
GetCurrentThread()->wait_address = wait_address;
void WaitCurrentThread_ArbitrateAddress(VAddr wait_address) {
Thread* thread = GetCurrentThread();
thread->wait_all = false;
thread->wait_address = wait_address;
thread->wait_objects.clear();
ChangeThreadState(thread, ThreadStatus(THREADSTATUS_WAIT | (thread->status & THREADSTATUS_SUSPEND)));
}
/// Event type for the thread wake up event
@ -248,7 +255,7 @@ void WakeThreadAfterDelay(Thread* thread, s64 nanoseconds) {
CoreTiming::ScheduleEvent(usToCycles(microseconds), ThreadWakeupEventType, thread->GetHandle());
}
void Thread::ReleaseFromWait(WaitObject* wait_object) {
void Thread::ReleaseWaitObject(WaitObject* wait_object) {
if (wait_objects.empty()) {
LOG_CRITICAL(Kernel, "thread is not waiting on any objects!");
return;
@ -298,6 +305,7 @@ void Thread::ResumeFromWait() {
wait_objects.clear();
wait_all = false;
wait_address = 0;
if (!(status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
ChangeReadyState(this, true);