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* kernel: Move object class to its own source filesLioncash2018-08-021-1/+1
| | | | | | General moving to keep kernel object types separate from the direct kernel code. Also essentially a preliminary cleanup before eliminating global kernel state in the kernel code.
* kernel/thread: Remove unimplemented function prototypeLioncash2018-08-011-6/+0
| | | | | Given there's no implementation, we may as well remove the code entirely.
* kernel: Remove unnecessary includesLioncash2018-07-311-3/+2
| | | | | Removes unnecessary direct dependencies in some headers and also gets rid of indirect dependencies that were being relied on to be included.
* Merge pull request #751 from Subv/tpidr_el0bunnei2018-07-211-0/+9
|\ | | | | CPU: Save and restore the TPIDR_EL0 system register on every context switch
| * CPU: Save and restore the TPIDR_EL0 system register on every context switch.Subv2018-07-211-0/+9
| | | | | | | | Note that there's currently a dynarmic bug preventing this register from being written.
* | thread: Convert ThreadStatus into an enum classLioncash2018-07-201-14/+14
|/ | | | | Makes the thread status strongly typed, so implicit conversions can't happen. It also makes it easier to catch mistakes at compile time.
* Run clang-format on PR.Michael Scire2018-06-221-2/+2
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* Kernel/Arbiters: HLE is atomic, adjust code to reflect that.Michael Scire2018-06-221-1/+0
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* Kernel/Arbiters: Initialize arb_wait_address in thread struct.Michael Scire2018-06-211-1/+1
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* Kernel/Arbiters: Mostly implement SignalToAddressMichael Scire2018-06-211-2/+4
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* Kernel/Arbiters: Implement WaitForAddressMichael Scire2018-06-211-2/+4
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* Kernel/Arbiters: Add stubs for 4.x SignalToAddress/WaitForAddres SVCs.Michael Scire2018-06-211-0/+1
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* thread: Rename mask to affinity_masks.bunnei2018-05-111-1/+1
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* thread: Implement ChangeCore function.bunnei2018-05-111-0/+6
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* core: Implement multicore support.bunnei2018-05-111-0/+4
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* Kernel: Implemented mutex priority inheritance.Subv2018-04-231-0/+15
| | | | | | | 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: Use 0x2C as default main thread priority for homebrew and lone NRO/NSOsSubv2018-04-211-1/+1
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* Kernel: Remove unused ConditionVariable class.Subv2018-04-211-6/+0
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* Kernel: Remove old and unused Mutex code.Subv2018-04-211-7/+0
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* Kernel: Corrected the implementation of svcArbitrateLock and svcArbitrateUnlock.Subv2018-04-211-1/+5
| | | | | | | | | | 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.
* thread: Add THREADSTATUS_WAIT_HLE_EVENT, remove THREADSTATUS_WAIT_ARB.bunnei2018-03-191-1/+1
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* kernel: Use Scheduler class for threading.bunnei2018-02-181-15/+0
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* kernel: Remove unused address_arbiter code.bunnei2018-02-181-12/+0
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* Kernel/IPC: Add a small delay after each SyncRequest to prevent thread starvation.Subv2018-02-181-0/+1
| | | | | | | | Ported from citra PR #3091 The delay specified here is from a Nintendo 3DS, and should be measured in a Nintendo Switch. This change is enough to prevent Puyo Puyo Tetris's main thread starvation.
* Threads: Added enum values for the Switch's 4 cpu cores and implemented svcGetInfo(AllowedCpuIdBitmask)Subv2018-01-101-4/+9
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* Kernel: Allow chaining WaitSynchronization calls inside a wakeup callback.Subv2018-01-091-3/+7
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* thread: Keep track of the initially created handle.bunnei2017-12-311-0/+3
| | | | This is kinda crufty, but we need it for now to update guest state variables.
* kernel: Various 64-bit fixes in memory/process/threadbunnei2017-12-291-2/+2
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* Merge remote-tracking branch 'upstream/master' into nxbunnei2017-10-101-15/+33
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | # 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
| * Merge pull request #2971 from Subv/per_process_memopsSebastian Valle2017-10-011-0/+6
| |\ | | | | | | Memory: Add overloads for ReadBlock and WriteBlock that operate on a specific process.
| | * Kernel/Thread: Added a helper function to get a thread's command buffer VAddr.Subv2017-10-011-0/+6
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| * | Merge pull request #2967 from Subv/thread_wakeup_callbacksSebastian Valle2017-09-301-3/+12
| |\ \ | | |/ | |/| Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken
| | * Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken.Subv2017-09-281-3/+12
| | | | | | | | | | | | | | | | | | 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.
| * | Fixed type conversion ambiguityHuw Pascoe2017-09-301-7/+7
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| * | Kernel/Thread: Allow specifying which process a thread belongs to when creating it.Subv2017-09-271-6/+9
| |/ | | | | | | 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.
* / kernel: Various threading fixes to support 64-bit addressing.bunnei2017-09-301-5/+5
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* Kernel: Move WaitObject to a separate fileYuri Kunde Schlesner2017-05-301-0/+1
| | | | | Now that HandleTable doesn't directly depend on WaitObject anymore, this can be separated from the main kernel.h header.
* Kernel: Centralize error definitions in errors.hYuri Kunde Schlesner2017-05-251-1/+1
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* Core: Remove unnecessary include in thread.hYuri Kunde Schlesner2017-02-271-1/+0
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* Merge pull request #2410 from Subv/sleepthreadbunnei2017-01-071-0/+5
|\ | | | | Don't yield execution in SleepThread(0) if there are no available threads to run
| * Kernel: Don't attempt to yield execution in SleepThread(0) if there are no available threads to run.Subv2017-01-061-0/+5
| | | | | | | | With this we avoid an useless temporary deschedule of the current thread.
* | Kernel: Remove some unused functions.Subv2017-01-051-9/+0
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* Kernel: Remove Thread::wait_objects_index and use wait_objects to hold all the objects that a thread is waiting on.Subv2017-01-051-9/+7
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* Kernel: Use different thread statuses when a thread calls WaitSynchronization1 and WaitSynchronizationN with wait_all = true.Subv2017-01-041-9/+10
| | | | | | | | 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.
* Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexesSubv2017-01-041-0/+9
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* Kernel: Object ShouldWait and Acquire calls now take a thread as a parameter.Subv2017-01-041-2/+2
| | | | This will be useful when implementing mutex priority inheritance.
* ThreadContext: Move from "core" to "arm_interface".bunnei2016-12-221-1/+2
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* core: Remove HLE module, consolidate code & various cleanups.bunnei2016-12-221-1/+0
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* Thread: remove the thread from the thread list when exitingwwylele2016-12-171-0/+5
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* Fixed the codestyle to match our clang-format rules.Subv2016-12-141-4/+6
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* WaitSynch: Removed unused variables and reduced SharedPtr copies.Subv2016-12-091-2/+3
| | | | | | Define a variable with the value of the sync timeout error code. Use a boost::flat_map instead of an unordered_map to hold the equivalence of objects and wait indices in a WaitSynchN call.
* Threading: Added some utility functions and const correctness.Subv2016-12-041-3/+16
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* Threading: Reworked the way our scheduler works.Subv2016-12-041-6/+16
| | | | | | | | | | Threads will now be awakened when the objects they're waiting on are signaled, instead of repeating the WaitSynchronization call every now and then. The scheduler is now called once after every SVC call, and once after a thread is awakened from sleep by its timeout callback. This new implementation is based off reverse-engineering of the real kernel. See https://gist.github.com/Subv/02f29bd9f1e5deb7aceea1e8f019c8f4 for a more detailed description of how the real kernel handles rescheduling.
* implement wait tree widgetwwylele2016-09-221-0/+5
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* Remove empty newlines in #include blocks.Emmanuel Gil Peyrot2016-09-211-4/+0
| | | | | | | This makes clang-format useful on those. Also add a bunch of forgotten transitive includes, which otherwise prevented compilation.
* Sources: Run clang-format on everything.Emmanuel Gil Peyrot2016-09-181-32/+46
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* Kernel/Threads: Dynamically allocate the TLS region for threads in the BASE region of the linear heap.Subv2016-05-071-2/+2
| | | | | | Each thread gets a 0x200-byte area from the 0x1000-sized page, when all 8 thread slots in a single page are used up, the kernel allocates a new page to hold another 8 entries. This is consistent with what the real kernel does.
* General: Fix up doxygen commentsLioncash2015-09-101-1/+0
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* Common: Cleanup key_map includes.Emmanuel Gil Peyrot2015-06-281-0/+1
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* kernel: Fix svcWaitSynch to always acquire requested wait objects.bunnei2015-06-171-9/+5
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* Remove every trailing whitespace from the project (but externals).Emmanuel Gil Peyrot2015-05-291-1/+1
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* Memmap: Re-organize memory function in two filesYuri Kunde Schlesner2015-05-151-1/+0
| | | | | | | memory.cpp/h contains definitions related to acessing memory and configuring the address space mem_map.cpp/h contains higher-level definitions related to configuring the address space accoording to the kernel and allocating memory.
* Merge pull request #748 from Subv/tls_maxbunnei2015-05-121-1/+1
|\ | | | | Core/Memory: Add TLS support for creating up to 300 threads
| * Core/Memory: Add TLS support for creating up to 300 threadsSubv2015-05-121-1/+1
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* | Merge pull request #751 from yuriks/idle-threadbunnei2015-05-121-17/+0
|\ \ | |/ |/| Thread: Remove the idle thread
| * Thread: Remove the idle threadYuri Kunde Schlesner2015-05-121-17/+0
| | | | | | | | Instead just use nullptr to represent no thread is active.
* | Merge pull request #750 from Subv/process_svcYuri Kunde Schlesner2015-05-121-0/+2
|\ \ | |/ |/| Core/HLE: Implemented the SVCs GetProcessId and GetProcessIdOfThread
| * Core/HLE: Implemented the SVCs GetProcessId and GetProcessIdOfThreadSubv2015-05-111-0/+2
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* | Thread: Correctly set main thread initial stack positionYuri Kunde Schlesner2015-05-111-2/+1
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* fixup! Set the TLS address in the schedulerSubv2015-05-111-0/+2
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* Core/Memory: Give every emulated thread it's own TLS area.Subv2015-05-111-0/+6
| | | | | The TLS area for thread T with id Ti is located at TLS_AREA_VADDR + (Ti - 1) * 0x200. This allows some games like Mario Kart 7 to continue further.
* Kernel: Remove unused g_main_thread variableYuri Kunde Schlesner2015-05-091-2/+0
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* Kernel: Implemented priority inheritance for mutexes.bunnei2015-04-101-0/+6
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* Thread: Implement priority boost for starved threads.bunnei2015-04-101-10/+15
| | | | | | SVC: Return correct error code on invalid CreateThread processor ID. SVC: Assert when creating a thread with an invalid userland priority.
* Kernel: Fixed default thread priority.bunnei2015-04-101-4/+3
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* Scheduler refactor Pt. 1Kevin Hartman2015-02-101-33/+82
| | | | | | | | | | | | | * Simplifies scheduling logic, specifically regarding thread status. It should be much clearer which statuses are valid for a thread at any given point in the system. * Removes dead code from thread.cpp. * Moves the implementation of resetting a ThreadContext to the corresponding core's implementation. Other changes: * Fixed comments in arm interfaces. * Updated comments in thread.cpp * Removed confusing, useless, functions like MakeReady() and ChangeStatus() from thread.cpp. * Removed stack_size from Thread. In the CTR kernel, the thread's stack would be allocated before thread creation.
* Kernel: Make WaitObjects share ownership of Threads waiting on themYuri Kunde Schlesner2015-02-021-0/+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/+1
| | | | | | 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 Schlesner2015-02-021-2/+8
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* Kernel: Use separate Handle tables for CoreTiming userdataYuri Kunde Schlesner2015-02-021-0/+3
| | | | This is to support the removal of GetHandle soon
* Thread: Modernize two functions that slipped through previous rebasesYuri Kunde Schlesner2015-02-021-8/+7
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* Kernel: Mark all appropriate kernel objects as "final"Yuri Kunde Schlesner2015-01-301-2/+1
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* Thread: Fix WaitSynchronization1 to not set register 1 on thread wakeup.bunnei2015-01-221-7/+14
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* Kernel: Changed "ShouldWait" to return bool and "Acquire" to return void.bunnei2015-01-221-2/+2
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* WaitObject: Renamed "Wait" to "ShouldWait", made "ShouldWait" and "Acquire" pure virtual.bunnei2015-01-221-1/+1
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* Kernel: Moved Wait and Acquire to WaitObject, added way to retrieve a WaitObject safely.bunnei2015-01-221-1/+1
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* AddressArbiter: Changed to Kernel::Object, big cleanup, removed code that made no sense.bunnei2015-01-221-9/+8
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* Kernel: Get rid of WaitTypes and simplify lots of code, removing hacks.bunnei2015-01-221-31/+10
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* WaitSynchronizationN: Refactor to fix several bugsbunnei2015-01-221-2/+2
| | | | | | - 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.bunnei2015-01-221-1/+2
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* WaitSynchronizationN: Implement return valuesbunnei2015-01-221-16/+42
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* Thread: Keep track of multiple wait objects.bunnei2015-01-221-3/+3
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* Kernel: Added WaitObject and changed "waitable" objects inherit from it.bunnei2015-01-221-3/+1
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* core: Fix a few docstringsLioncash2015-01-201-1/+1
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* Kernel: Start using boost::intrusive_ptr for lifetime managementYuri Kunde Schlesner2015-01-091-4/+4
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* Thread: Reduce use of Handles and move some funcs to inside the class.Yuri Kunde Schlesner2015-01-091-46/+22
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* Kernel: Move Thread's definition to the header fileYuri Kunde Schlesner2015-01-091-0/+57
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* Merge pull request #255 from Subv/cbranch_3bunnei2015-01-091-0/+1
|\ | | | | Implemented timers
| * SVC: Implemented the Timer service calls.Subv2015-01-091-0/+1
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* | SVC: Fixed SleepThread.Subv2015-01-091-0/+7
| | | | | | | | It will now properly wait the specified number of nanoseconds and then wake up the thread.
* | Threads: Use a dummy idle thread when no other are ready.Subv2015-01-081-0/+11
|/ | | | This thread will not actually execute instructions, it will only advance the timing/events and try to yield immediately to the next ready thread, if there aren't any ready threads then it will be rescheduled and start its job again.
* Kernel: New handle managerYuri Kunde Schlesner2014-12-281-3/+0
| | | | | | | | | | | 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.
* Merge pull request #291 from purpasmart96/licensebunnei2014-12-211-1/+1
|\ | | | | License change
| * License changepurpasmart962014-12-211-1/+1
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* | Thread: Wait current thread on svc_SleepThreadbunnei2014-12-211-1/+0
| | | | | | | | | | | | - Removed unused VBLANK sleep mode - Added error log for bad context switch - Renamed VerifyWait to CheckWaitType to be more clear
* | Kernel: Implement support for current thread pseudo-handleYuri Kunde Schlesner2014-12-201-0/+3
|/ | | | This boots a few (mostly Nintendo 1st party) games further.
* Thread: Fixed to wait on address when in arbitration.bunnei2014-12-091-0/+11
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* Threads: Implemented a sequential thread idSubv2014-12-041-1/+6
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* SVC: Implemented GetThreadId.Subv2014-12-041-0/+3
| | | | For now threads are using their Handle value as their Id, it should not really cause any problems because Handle values are unique in Citra, but it should be changed. I left a ToDo there because this is not correct behavior as per hardware.
* HLE: Revamp error handling throrough the HLE codeYuri Kunde Schlesner2014-11-241-3/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | 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 Peyrot2014-11-191-1/+1
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* Thread: Added more descriptive comment to WaitCurrentThread.bunnei2014-08-071-1/+5
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* Thread: Added functions to resume threads from address arbitration.bunnei2014-07-091-0/+7
| | | | | | Thread: Cleaned up arbitrate address functions. Thread: Cleaned up ArbitrateAllThreads function.
* Kernel: Added real support for thread and event blockingbunnei2014-06-131-3/+6
| | | | | | | | | | | | | - 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 GetThreadPriority and SetThreadPriority, added (incomplete) DuplicateHandle supportbunnei2014-06-021-0/+6
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* thread: renamed "WaitCurThread" to "WaitCurrentThread", removed unused "reason" argumentbunnei2014-05-231-2/+2
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* thread: removed unused SwitchContext/Reschedule reason field, added missing arg parameter to SVC CreateThreadbunnei2014-05-231-1/+1
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* kernel: refactored function naming to remove "__" prefixbunnei2014-05-231-2/+2
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* thread: moved ThreadStatus/WaitType to header, added support for arg on CreateThread, added correct CPSR resetbunnei2014-05-231-1/+25
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* thread: added correct lowest thread priority, added a thread priority check, and added some commentsbunnei2014-05-211-6/+7
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* thread: exposed ResumeThreadFromWait function for use in other kernel modulesbunnei2014-05-211-0/+3
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* thread: moved threading calls to the Kernel namespacebunnei2014-05-211-9/+17
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* thread: whitespace change - fixed * and & placementbunnei2014-05-211-2/+2
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* - created a Kernel namespacebunnei2014-05-211-2/+2
| | | | | - cleaned up Kernel code a bit (moved stuff into namespace, fixed whitespace issues) - added handle types for all different CTROS handles
* thread: added declaration for __KernelReschedule to be used by syscall modulebunnei2014-05-201-0/+3
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* changed a commentbunnei2014-05-171-1/+1
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* - added enum ThreadProcessorIdbunnei2014-05-171-2/+17
| | | | | - reorganized some kernel thread functions - added placeholder __KernelWaitThread_Synchronization function
* - replaced KERNELOBJECT_MAX_NAME_LENGTH with KERNEL_MAX_NAME_LENGTHbunnei2014-05-171-1/+5
| | | | - added KERNEL_DEFAULT_STACK_SIZE definition (0x4000)
* completely gutted/refactored threading code to be simplerbunnei2014-05-161-42/+2
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* - added helper function for __KernelCreateThreadbunnei2014-05-151-0/+6
| | | | | - added __KernelSwitchToThread for enabling a thread - added __KernelRotateThreadReadyQueue
* various cleanups / remove unused codebunnei2014-05-141-0/+1
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* added a bunch of threading code, recycled from PPSSPP, with lots of hacks in for 3DS... doesn't really do much yet. Just a jumping off pointbunnei2014-05-141-6/+19
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* added initial kernel/thread modulesbunnei2014-05-101-0/+36
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