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* Kernel/Arbiters: Add stubs for 4.x SignalToAddress/WaitForAddres SVCs.Michael Scire2018-06-211-2/+2
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* Mutex: Do not assert when the mutex waiting threads list isn't empty on mutex release.Subv2018-05-201-1/+0
| | | | A thread may own multiple mutexes at the same time, and only release one of them while other threads are waiting for the other mutexes.
* Kernel: Implemented mutex priority inheritance.Subv2018-04-231-8/+31
| | | | | | | Verified with a hwtest and implemented based on reverse engineering. Thread A's priority will get bumped to the highest priority among all the threads that are waiting for a mutex that A holds. Once A releases the mutex and ownership is transferred to B, A's priority will return to normal and B's priority will be bumped.
* Kernel: Remove old and unused Mutex code.Subv2018-04-211-120/+0
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* Kernel: Corrected the implementation of svcArbitrateLock and svcArbitrateUnlock.Subv2018-04-211-0/+94
| | | | | | | | | | 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.
* mutex: Update hasWaiters on release.bunnei2018-02-061-0/+1
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* mutex: Remove unused call to VerifyGuestState.bunnei2018-01-091-3/+0
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* Kernel: Properly keep track of mutex lock data in the guest memory. This fixes userland locking/unlocking.Subv2018-01-091-54/+43
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* svc: Implement svcLockMutex.bunnei2018-01-011-18/+63
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* Merge remote-tracking branch 'upstream/master' into nxbunnei2017-10-101-2/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | # Conflicts: # src/core/CMakeLists.txt # src/core/arm/dynarmic/arm_dynarmic.cpp # src/core/arm/dyncom/arm_dyncom.cpp # src/core/hle/kernel/process.cpp # src/core/hle/kernel/thread.cpp # src/core/hle/kernel/thread.h # src/core/hle/kernel/vm_manager.cpp # src/core/loader/3dsx.cpp # src/core/loader/elf.cpp # src/core/loader/ncch.cpp # src/core/memory.cpp # src/core/memory.h # src/core/memory_setup.h
| * Fixed type conversion ambiguityHuw Pascoe2017-09-301-1/+1
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* Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexesSubv2017-01-041-38/+22
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* Kernel/Mutex: Update a mutex priority when a thread stops waiting on it.Subv2017-01-041-13/+22
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* Kernel/Mutex: Implemented priority inheritance.Subv2017-01-041-13/+45
| | | | | | | 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.
* Kernel: Object ShouldWait and Acquire calls now take a thread as a parameter.Subv2017-01-041-18/+6
| | | | This will be useful when implementing mutex priority inheritance.
* Kernel/Synch: Do not attempt a reschedule on every syscall.Subv2017-01-041-0/+1
| | | | Not all syscalls should cause reschedules, this commit attempts to remedy that, however, it still does not cover all cases.
* Use negative priorities to avoid special-casing the self-includeYuri Kunde Schlesner2016-09-211-1/+1
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* Remove empty newlines in #include blocks.Emmanuel Gil Peyrot2016-09-211-4/+1
| | | | | | | This makes clang-format useful on those. Also add a bunch of forgotten transitive includes, which otherwise prevented compilation.
* Manually tweak source formatting and then re-run clang-formatYuri Kunde Schlesner2016-09-191-4/+2
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* Sources: Run clang-format on everything.Emmanuel Gil Peyrot2016-09-181-2/+4
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* kernel: Fix svcWaitSynch to always acquire requested wait objects.bunnei2015-06-171-8/+1
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* Kernel: Move reschedules from SVCs to actual mechanisms that reschedule.bunnei2015-05-211-0/+2
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* Common: Remove common.hYuri Kunde Schlesner2015-05-071-1/+1
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* Kernel: Implemented priority inheritance for mutexes.bunnei2015-04-101-1/+9
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* Asserts: break/crash program, fit to style guide; log.h->assert.harchshift2015-02-111-1/+1
| | | | | | | Involves making asserts use printf instead of the log functions (log functions are asynchronous and, as such, the log won't be printed in time) As such, the log type argument was removed (printf obviously can't use it, and it's made obsolete by the file and line printing) Also removed some GEKKO cruft.
* Mutex: Locks should be recursive.bunnei2015-02-101-14/+19
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* Kernel: Stop creating useless Handles during object creationYuri Kunde Schlesner2015-02-021-4/+2
| | | | | They're finally unnecessary, and will stop cluttering the application's handle table.
* Kernel: Make WaitObjects share ownership of Threads waiting on themYuri Kunde Schlesner2015-02-021-2/+2
| | | | | | | | | | | | | | | | During normal operation, a thread waiting on an WaitObject and the object hold mutual references to each other for the duration of the wait. If a process is forcefully terminated (The CTR kernel has a SVC to do this, TerminateProcess, though no equivalent exists for threads.) its threads would also be stopped and destroyed, leaving dangling pointers in the WaitObjects. The solution is to simply have the Thread remove itself from WaitObjects when it is stopped. The vector of Threads in WaitObject has also been changed to hold SharedPtrs, just in case. (Better to have a reference cycle than a crash.)
* Explicitly instantiate constructors/destructors for Kernel objectsYuri Kunde Schlesner2015-02-021-0/+3
| | | | | | This should speed up compile times a bit, as well as enable more liberal use of forward declarations. (Due to SharedPtr not trying to emit the destructor anymore.)
* Mutex: Replace g_mutex_held_locks with a set inside ThreadYuri Kunde Schlesner2015-02-021-21/+7
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* Kernel: Convert Mutex to not use HandlesYuri Kunde Schlesner2015-01-301-88/+43
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* Kernel: Remove useless/duplicated comments; mark functions staticYuri Kunde Schlesner2015-01-301-14/+4
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* Mutex: Cleanup and remove redundant code.bunnei2015-01-221-45/+27
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* Kernel: Renamed some functions for clarity.bunnei2015-01-221-1/+1
| | | | | - ReleaseNextThread->WakeupNextThread - ReleaseAllWaitingThreads->WakeupAllWaitingThreads.
* Kernel: Changed "ShouldWait" to return bool and "Acquire" to return void.bunnei2015-01-221-15/+9
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* WaitObject: Renamed "Wait" to "ShouldWait", made "ShouldWait" and "Acquire" pure virtual.bunnei2015-01-221-2/+2
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* Mutex: Fix a bug where the thread should not wait if it already has the mutex.bunnei2015-01-221-1/+4
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* Kernel: Get rid of WaitTypes and simplify lots of code, removing hacks.bunnei2015-01-221-7/+2
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* WaitSynchronizationN: Refactor to fix several bugsbunnei2015-01-221-4/+4
| | | | | | - Separate wait checking from waiting the current thread - Resume thread when wait_all=true only if all objects are available at once - Set output to correct wait object index when there are duplicate handles
* Kernel: Separate WaitSynchronization into Wait and Acquire methods.bunnei2015-01-221-5/+14
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* WaitSynchronizationN: Implement return valuesbunnei2015-01-221-4/+4
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* Kernel: Added WaitObject and changed "waitable" objects inherit from it.bunnei2015-01-221-23/+6
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* Kernel: Start using boost::intrusive_ptr for lifetime managementYuri Kunde Schlesner2015-01-091-3/+3
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* Thread: Reduce use of Handles and move some funcs to inside the class.Yuri Kunde Schlesner2015-01-091-6/+13
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* Mutex: Add the calling thread to the waiting list when neededSubv2015-01-041-2/+2
| | | | This will happen when the mutex is already owned by another thread. Should fix some issues with games being stuck due to waiting threads not being awoken.
* Kernel: New handle managerYuri Kunde Schlesner2014-12-281-2/+3
| | | | | | | | | | | This handle manager more closely mirrors the behaviour of the CTR-OS one. In addition object ref-counts and support for DuplicateHandle have been added. Note that support for DuplicateHandle is still experimental, since parts of the kernel still use Handles internally, which will likely cause troubles if two different handles to the same object are used to e.g. wait on a synchronization primitive.
* Kernel: Replace GetStaticHandleType by HANDLE_TYPE constantsYuri Kunde Schlesner2014-12-281-2/+2
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* Rename ObjectPool to HandleTableYuri Kunde Schlesner2014-12-281-3/+3
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* License changepurpasmart962014-12-211-1/+1
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* Mutex: Remove some forward declarationsSubv2014-12-071-16/+15
| | | | Moved Mutex::WaitSynchronization to the end of the file.
* Mutex: Release all held mutexes when a thread exits.Subv2014-12-071-22/+46
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* Mutex: Properly lock the mutex when a thread enters itSubv2014-12-061-12/+9
| | | | Also resume only the next immediate thread waiting for the mutex when it is released, instead of resuming them all.
* Mutex: Changed behavior to always release mutex for all threads.bunnei2014-11-261-8/+7
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* Remove duplicated docs/update them for changed parameters.Yuri Kunde Schlesner2014-11-241-10/+0
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* HLE: Revamp error handling throrough the HLE codeYuri Kunde Schlesner2014-11-241-12/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | All service calls in the CTR OS return result codes indicating the success or failure of the call. Previous to this commit, Citra's HLE emulation of services and the kernel universally either ignored errors or returned dummy -1 error codes. This commit makes an initial effort to provide an infrastructure for error reporting and propagation which can be use going forward to make HLE calls accurately return errors as the original system. A few parts of the code have been updated to use the new system where applicable. One part of this effort is the definition of the `ResultCode` type, which provides facilities for constructing and parsing error codes in the structured format used by the CTR. The `ResultVal` type builds on `ResultCode` by providing a container for values returned by function that can report errors. It enforces that correct error checking will be done on function returns by preventing the use of the return value if the function returned an error code. Currently this change is mostly internal since errors are still suppressed on the ARM<->HLE border, as a temporary compatibility hack. As functionality is implemented and tested this hack can be eventually removed.
* Remove trailing spaces in every file but the ones imported from SkyEye, AOSP or generatedEmmanuel Gil Peyrot2014-11-191-2/+2
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* Add `override` keyword through the code.Yuri Kunde Schlesner2014-10-261-5/+5
| | | | This was automated using `clang-modernize`.
* Core: Alter the kernel string functions to use std::string instead of const char*.Lioncash2014-08-181-2/+2
| | | | Most functions already operate on std::strings. This also removes the need to manually null terminate thread names.
* Kernel: Updated Event and Mutex to specify handle that they are blocking for.bunnei2014-08-061-1/+1
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* HLE: Updated all uses of NULL to nullptr (to be C++11 compliant)bunnei2014-06-131-1/+1
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* Kernel: Updated various kernel function "name" arguments to be const references.bunnei2014-06-131-2/+2
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* HLE: Updated various handle debug assertions to be more clear.bunnei2014-06-131-1/+1
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* Mutex: Moved ReleaseMutex iterator declaration to be inside while loop.bunnei2014-06-131-2/+1
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* Kernel: Updated several member functions to be constbunnei2014-06-131-3/+3
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* Kernel: Added real support for thread and event blockingbunnei2014-06-131-0/+5
| | | | | | | | | | | | | - SVC: Added ExitThread support - SVC: Added SignalEvent support - Thread: Added WAITTYPE_EVENT for waiting threads for event signals - Thread: Added support for blocking on other threads to finish (e.g. Thread::Join) - Thread: Added debug function for printing current threads ready for execution - Thread: Removed hack/broken thread ready state code from Kernel::Reschedule - Mutex: Moved WaitCurrentThread from SVC to Mutex::WaitSynchronization - Event: Added support for blocking threads on event signalling Kernel: Added missing algorithm #include for use of std::find on non-Windows platforms.
* svc: added optional name field to Event and Mutex (used for debugging)bunnei2014-06-031-3/+9
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* mutex: fixed typo in ReleaseMutexbunnei2014-05-301-1/+3
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* mutex: added preliminary SyncRequest/WaitSynchronization, added some comments/assertionsbunnei2014-05-281-0/+6
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* kernel: added WaitSynchronization method to Kernel::Objectbunnei2014-05-271-0/+11
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* kernel: updated SyncRequest to take boolean thread wait result as a parameterbunnei2014-05-271-2/+6
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* kernel: add a SyncRequest method to KernelObject for use with svcSendSyncRequestbunnei2014-05-271-0/+5
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* kernel: refactored function naming to remove "__" prefixbunnei2014-05-231-14/+14
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* mutex: refactored the interface to code to return a Mutex* handlebunnei2014-05-211-2/+12
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* mutex: initial commit of HLE modulebunnei2014-05-211-0/+122
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