INSANEMODE/yuzu-android
1
0
Fork 0
mirror of https://github.com/yuzu-emu/yuzu-android.git synced 2025-06-11 05:17:58 -05:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Corrected the implementation of svcArbitrateLock and svcArbitrateUnlock.

Browse Source 
Switch mutexes are no longer kernel objects, they are managed in userland and only use the kernel to handle the contention case.
Mutex addresses store a special flag value (0x40000000) to notify the guest code that there are still some threads waiting for the mutex to be released. This flag is updated when a thread calls ArbitrateUnlock.

TODO:
* Fix svcWaitProcessWideKey
* Fix svcSignalProcessWideKey
* Remove the Mutex class.
This commit is contained in:
Subv
2018-04-20 12:01:14 -05:00
parent 326b044c19
commit e81a2080eb
6 changed files with 126 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/core/hle/kernel/thread.cpp
View File

@ -126,6 +126,14 @@ static void ThreadWakeupCallback(u64 thread_handle, int cycles_late) {
resume = thread->wakeup_callback(ThreadWakeupReason::Timeout, thread, nullptr, 0);
}
if (thread->mutex_wait_address != 0 || thread->condvar_wait_address != 0 ||
thread->wait_handle) {
ASSERT(thread->status == THREADSTATUS_WAIT_MUTEX);
thread->mutex_wait_address = 0;
thread->condvar_wait_address = 0;
thread->wait_handle = 0;
}
if (resume)
thread->ResumeFromWait();
}
@ -151,6 +159,7 @@ void Thread::ResumeFromWait() {
case THREADSTATUS_WAIT_HLE_EVENT:
case THREADSTATUS_WAIT_SLEEP:
case THREADSTATUS_WAIT_IPC:
case THREADSTATUS_WAIT_MUTEX:
break;
case THREADSTATUS_READY:
@ -256,7 +265,9 @@ ResultVal<SharedPtr<Thread>> Thread::Create(std::string name, VAddr entry_point,
thread->last_running_ticks = CoreTiming::GetTicks();
thread->processor_id = processor_id;
thread->wait_objects.clear();
thread->wait_address = 0;
thread->mutex_wait_address = 0;
thread->condvar_wait_address = 0;
thread->wait_handle = 0;
thread->name = std::move(name);
thread->callback_handle = wakeup_callback_handle_table.Create(thread).Unwrap();
thread->owner_process = owner_process;