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219 commits

Author SHA1 Message Date
Subv
c68adb787b Kernel/Arbiters: When doing ArbitrateAddress(Signal), always pick the highest priority thread, using the first one that was put to sleep if more than one thread with the same highest priority exists. 
This is consistent with hardware behavior as shown by this test https://gist.github.com/ds84182/40e46129bd38b46a5100f15f96ba5eaf
 2017-11-08 18:47:08 -05:00
Subv
5f92dc963c Kernel/SVC: Implement LLE command buffer translation in ReplyAndReceive. 
The real kernel's ReplyAndReceive will retry the call until one of the objects can be acquired without causing a translation error, this is not currently implemented and the code will instead assert that the translation was a success.
 2017-11-06 10:47:04 -05:00
Subv
8f108367c9 Kernel/IPC: Put a thread to sleep when performing an LLE IPC request. 
It will be awoken when the server replies to the request via svcReplyAndReceive.
 2017-11-06 10:46:19 -05:00
Subv
68dba11805 Kernel/SVC: Don't let svcReleaseMutex release a mutex owned by another thread. 
This behavior was reverse engineered from the 3DS kernel.
 2017-11-04 10:05:18 -05:00
Subv
97f262c1f5 SVC: Removed GetPointer usage in the GetResourceLimit functions. 2017-10-04 14:04:27 -05:00
Subv
46fc7595b4 SVC: Remove GetPointer usage in CreatePort. 2017-10-04 14:04:03 -05:00
Subv
7b09b30ef1 SVC: Replace GetPointer usage with ReadCString in ConnectToPort. 2017-10-04 14:03:59 -05:00
Subv
3c0113632d SVC: Replace GetPointer usage with ReadBlock in OutputDebugString. 2017-10-04 12:30:33 -05:00
Subv
0cfb231e00 SVC: Replace GetPointer usage with Read32 in ReplyAndReceive. 2017-10-04 12:30:33 -05:00
Subv
b863d6c860 SVC: Replace GetPointer usage with Read32 in WaitSynchronizationN. 2017-10-04 12:30:32 -05:00
Huw Pascoe
529f4a0131 Moved down_count to CoreTiming 2017-09-30 17:38:14 +01:00
Sebastian Valle
db752b52e8 Merge pull request #2967 from Subv/thread_wakeup_callbacks 
Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken
 2017-09-30 09:12:18 -05:00
Huw Pascoe
a13ab958cb Fixed type conversion ambiguity 2017-09-30 09:34:35 +01:00
Subv
8432749db7 Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken. 
This change makes for a clearer (less confusing) path of execution in the scheduler, now the code to execute when a thread awakes is closer to the code that puts the thread to sleep (WaitSynch1, WaitSynchN). It also allows us to implement the special wake up behavior of ReplyAndReceive without hacking up WaitObject::WakeupAllWaitingThreads.

If savestates are desired in the future, we can change this implementation to one similar to the CoreTiming event system, where we first register the callback functions at startup and assign their identifiers to the Thread callback variable instead of directly assigning a lambda to the wake up callback variable.
 2017-09-28 11:53:32 -05:00
Subv
3165466b66 Kernel/Thread: Allow specifying which process a thread belongs to when creating it. 
Don't automatically assume that Thread::Create will only be called when the parent process is currently scheduled. This assumption will be broken when applets or system modules are loaded.
 2017-09-26 17:40:49 -05:00
danzel
8266064796 Use recursive_mutex instead of mutex to fix #2902 2017-08-29 20:39:55 +12:00
Subv
bca8916cea Kernel/HLE: Use a mutex to synchronize access to the HLE kernel state between the cpu thread and any other possible threads that might touch the kernel (network thread, etc). 
This mutex is acquired in SVC::CallSVC, ie, as soon as the guest application enters the HLE kernel, and should be acquired by the aforementioned threads before modifying kernel structures.
 2017-08-22 09:30:55 -05:00
Sebastian Valle
56d718b2a1 Merge pull request #2793 from Subv/replyandreceive 
Kernel/SVC: Partially implemented svcReplyAndReceive
 2017-06-29 17:05:22 -05:00
Subv
b53fa9514f Kernel/SVC: Pass the current thread as a parameter to ClientSession::SendSyncRequest. 2017-06-29 12:30:34 -05:00
Subv
88c93a7436 Kernel/SVC: Partially implemented svcReplyAndReceive. 
It behaves mostly as WaitSynchronizationN with wait_all = false, except for IPC buffer translation.

The target thread of an IPC response will now wake up when responding.
IPC buffer translation is currently not implemented.
Error passing back to svcSendSyncRequest is currently not implemented.
 2017-06-25 23:38:28 -05:00
Yuri Kunde Schlesner
e192d417ec Kernel: Implement AcceptSession SVC 2017-06-23 11:26:37 -07:00
Yuri Kunde Schlesner
aa0f3047d3 Kernel: Implement CreateSessionToPort SVC 2017-06-23 11:22:02 -07:00
Yuri Kunde Schlesner
f94093d0fd Kernel: Implement CreateSession SVC 2017-06-22 00:39:27 -07:00
Yuri Kunde Schlesner
be031989ee Kernel: Move HandleTable to a separate file 2017-05-29 17:34:39 -07:00
Yuri Kunde Schlesner
64ecf81a3c Kernel: Move WaitObject to a separate file 
Now that HandleTable doesn't directly depend on WaitObject anymore, this
can be separated from the main kernel.h header.
 2017-05-29 16:16:46 -07:00
Yuri Kunde Schlesner
9453223075 Kernel: Removed HandleTable::GetWaitObject 
This isn't necessary anymore since plain Get works correctly for
WaitObjects.
 2017-05-29 15:10:06 -07:00
Yuri Kunde Schlesner
2cdb40d709 Kernel: Centralize error definitions in errors.h 2017-05-24 21:06:00 -07:00
Yuri Kunde Schlesner
6577bbc3c5 Remove ability to load symbol maps 
This was now mostly unused except by thread creation, which used a
symbol of the entrypoint, if available, to name the thread.
 2017-05-07 15:33:07 -07:00
Michael Theall
31f9c1ab5d Fix OutputDebugString syscall 2017-04-01 04:09:39 -05:00
Fernando Sahmkow
b5dbc6cb98 Refined thread launch on syscore error messages 2017-03-09 08:18:18 -05:00
Subv
0be77c3ae4 Timers: Return an error when calling SetTimer with negative timeouts. 2017-02-21 20:51:56 -05:00
Subv
1ddff14511 Threads: Check the process' resource limit for the max allowed priority when creating a thread and remove the priority clamping code. 2017-01-11 16:38:05 -05:00
Subv
f2f2572fed Thread: Added priority range checking to svcSetThreadPriority and removed priority clamping code from Thread::SetPriority. 2017-01-11 16:38:04 -05:00
bunnei
b5eac78b43 Merge pull request #2410 from Subv/sleepthread 
Don't yield execution in SleepThread(0) if there are no available threads to run
 2017-01-06 22:01:33 -05:00
Hyper
f0199a17f6 Kernel: Fix SharedMemory objects always returning error when addr = 0 (#2404) 
Closes #2400
 2017-01-06 08:21:22 -05:00
Subv
fc2266130b Kernel: Don't attempt to yield execution in SleepThread(0) if there are no available threads to run. 
With this we avoid an useless temporary deschedule of the current thread.
 2017-01-05 19:11:34 -05:00
Subv
fd95b6ee26 Kernel: Remove Thread::wait_objects_index and use wait_objects to hold all the objects that a thread is waiting on. 2017-01-05 09:40:14 -05:00
Subv
cef5f45de2 Kernel: Use different thread statuses when a thread calls WaitSynchronization1 and WaitSynchronizationN with wait_all = true. 
This commit removes the overly general THREADSTATUS_WAIT_SYNCH and replaces it with two more granular statuses:

THREADSTATUS_WAIT_SYNCH_ANY when a thread waits on objects via WaitSynchronization1 or WaitSynchronizationN with wait_all = false.

THREADSTATUS_WAIT_SYNCH_ALL when a thread waits on objects via WaitSynchronizationN with wait_all = true.
 2017-01-04 15:58:50 -05:00
Subv
d3ff5b91e1 Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexes 2017-01-04 15:58:48 -05:00
Subv
b6a0355568 Kernel/Mutex: Update a mutex priority when a thread stops waiting on it. 2017-01-04 15:58:47 -05:00
Subv
7abf185390 Kernel/Mutex: Implemented priority inheritance. 
The implementation is based on reverse engineering of the 3DS's kernel.

A mutex holder's priority will be temporarily boosted to the best priority among any threads that want to acquire any of its held mutexes.
When the holder releases the mutex, it's priority will be boosted to the best priority among the threads that want to acquire any of its remaining held mutexes.
 2017-01-04 15:58:46 -05:00
Subv
e6a7723f2f Kernel: Object ShouldWait and Acquire calls now take a thread as a parameter. 
This will be useful when implementing mutex priority inheritance.
 2017-01-04 15:58:45 -05:00
Subv
38a90882a4 Kernel/Synch: Do not attempt a reschedule on every syscall. 
Not all syscalls should cause reschedules, this commit attempts to remedy that, however, it still does not cover all cases.
 2017-01-04 15:58:44 -05:00
bunnei
e26fbfd1d7 core: Replace "AppCore" nomenclature with just "CPU". 2016-12-22 00:27:46 -05:00
bunnei
5ac5cbeab7 Address clang-format issues. 2016-12-21 23:48:14 -05:00
bunnei
4fc8b8229e core: Remove HLE module, consolidate code & various cleanups. 2016-12-21 23:48:13 -05:00
bunnei
232ef55c1a core: Consolidate core and system state, remove system module & cleanups. 2016-12-21 23:29:13 -05:00
wwylele
5728e42634 Thread: remove the thread from the thread list when exiting 2016-12-17 19:23:52 +02:00
bunnei
cda7210fad Merge pull request #2260 from Subv/scheduling 
Threading: Reworked the way our scheduler works.
 2016-12-16 00:41:22 -05:00
Subv
016307ae65 Fixed the codestyle to match our clang-format rules. 2016-12-14 12:45:36 -05:00