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* hle: kernel: Rewrite scheduler implementation based on Mesopshere.bunnei2020-12-061-320/+0
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* kernel: scheduler: Minor cleanup to remove duplicated code.bunnei2020-11-291-0/+2
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* Merge pull request #4323 from ReinUsesLisp/no-spinbunnei2020-09-121-1/+1
|\ | | | | kernel/scheduler: Use std::mutex instead of spin lock
| * kernel/scheduler: Use std::mutex instead of spin lockReinUsesLisp2020-07-131-1/+1
| | | | | | | | | | | | | | | | Profiling shows that this is a highly contested mutex, causing dimishing results compared to a OS lock. std::mutex implementations can spin for a while before falling back to an OS lock. This avoids wasting precious CPU cycles in a no-op.
* | kernel/scheduler: Mark SchedulerLock constructor as nodiscardLioncash2020-08-141-1/+1
|/ | | | | | Allows the compiler to warn about cases where the constructor is used but then immediately discarded, which is a potential cause of locking/unlocking bugs.
* Core/Common: Address Feedback.Fernando Sahmkow2020-06-281-0/+4
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* Kernel: Correct Host Context on Threads and Scheduler.Fernando Sahmkow2020-06-271-1/+1
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* SingleCore: Improve Cycle timing Behavior and replace mutex in global scheduler for spinlock.Fernando Sahmkow2020-06-271-1/+1
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* CPU_Manager: Unload/Reload threads on preemption on SingleCoreFernando Sahmkow2020-06-271-0/+10
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* Kernel: Fixes, corrections and asserts to scheduler and different svcs.Fernando Sahmkow2020-06-271-2/+3
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* Scheduler: Release old thread fiber before trying to switch to the next thread fiber.Fernando Sahmkow2020-06-271-0/+9
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* Kernel: Corrections to Scheduling.Fernando Sahmkow2020-06-271-0/+2
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* General: Add AssertsFernando Sahmkow2020-06-271-0/+1
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* SVC: Correct SendSyncRequest.Fernando Sahmkow2020-06-271-0/+2
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* General: Recover Prometheus project from harddrive failure Fernando Sahmkow2020-06-271-38/+56
| | | | | | | This commit: Implements CPU Interrupts, Replaces Cycle Timing for Host Timing, Reworks the Kernel's Scheduler, Introduce Idle State and Suspended State, Recreates the bootmanager, Initializes Multicore system.
* core: Implement separate A32/A64 ARM interfaces.bunnei2020-03-031-2/+1
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* Kernel: Address Feedback.Fernando Sahmkow2020-02-221-4/+4
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* Kernel: Implement Scheduler locksFernando Sahmkow2020-02-221-0/+41
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* Kernel: Make global scheduler depend on KernelCoreFernando Sahmkow2020-02-221-2/+3
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* Core: Set all hardware emulation constants in a single file.Fernando Sahmkow2020-02-121-6/+7
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* kernel: Remove unnecessary includesLioncash2019-12-081-2/+3
| | | | | | Over the course of the changes to the kernel code, a few includes are no longer necessary, particularly with the change over to std::shared_ptr from Boost's intrusive_ptr.
* kernel: Replace usage of boost::intrusive_ptr with std::shared_ptr for kernel objects. (#3154)bunnei2019-11-251-6/+6
| | | | | | * kernel: Replace usage of boost::intrusive_ptr with std::shared_ptr for kernel objects. - See https://github.com/citra-emu/citra/pull/4710 for details.
* kernel: Resolve sign conversion warningsLioncash2019-11-121-18/+18
| | | | | | | | | Uncovered a bug within Thread's SetCoreAndAffinityMask() where an unsigned variable (ideal_core) was being compared against "< 0", which would always be a false condition. We can also get rid of an unused function (GetNextProcessorId) which contained a sign mismatch warning.
* scheduler: Mark parameter of AskForReselectionOrMarkRedundant() as constLioncash2019-10-281-1/+1
| | | | This is only compared against, so it can be made const.
* scheduler: Initialize class members directly where applicableLioncash2019-10-281-1/+1
| | | | Reduces the overall amount of code.
* scheduler: Amend documentation commentsLioncash2019-10-281-46/+59
| | | | | Adjusts the formatting of a few of the comments an ensures they get recognized as proper Doxygen comments.
* Kernel: Address Feedback.Fernando Sahmkow2019-10-151-41/+24
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* Kernel Scheduler: Make sure the global scheduler shutdowns correctly.Fernando Sahmkow2019-10-151-0/+7
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* Scheduler: Corrections to YieldAndBalanceLoad and Yield bombing protection.Fernando Sahmkow2019-10-151-1/+1
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* Kernel: Initial implementation of thread preemption.Fernando Sahmkow2019-10-151-0/+4
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* Scheduler: Add protections for Yield bombingFernando Sahmkow2019-10-151-4/+4
| | | | | | In case of redundant yields, the scheduler will now idle the core for it's timeslice, in order to avoid continuously yielding the same thing over and over.
* Kernel: Style and CorrectionsFernando Sahmkow2019-10-151-22/+31
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* Comment and reorganize the schedulerFernando Sahmkow2019-10-151-5/+33
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* Implement a new Core SchedulerFernando Sahmkow2019-10-151-103/+117
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* kernel/scheduler: Remove unused parameter to AddThread()Lioncash2019-03-301-1/+1
| | | | | This was made unused in b404fcdf1443b91ac9994c05ad1fe039fcd9675e, but the parameter itself wasn't removed.
* Use MultiLevelQueue instead of old ThreadQueueListFernando Sahmkow2019-03-271-2/+2
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* kernel/scheduler: Pass in system instance in constructorLioncash2019-03-041-2/+4
| | | | | | | | Avoids directly relying on the global system instance and instead makes an arbitrary system instance an explicit dependency on construction. This also allows removing dependencies on some global accessor functions as well.
* scheduler: Only work steal higher priority threads from other coresZach Hilman2018-12-031-4/+1
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* scheduler: Add explanations for YieldWith and WithoutLoadBalancingZach Hilman2018-11-221-2/+68
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* svc: Implement yield types 0 and -1Zach Hilman2018-11-191-0/+6
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* svc: Implement svcGetInfo command 0xF0000002Lioncash2018-10-261-0/+19
| | | | | | | | | | This retrieves: if (curr_thread == handle_thread) { result = total_thread_ticks + (hardware_tick_count - last_context_switch_ticks); } else if (curr_thread == handle_thread && sub_id == current_core_index) { result = hardware_tick_count - last_context_switch_ticks; }
* kernel/scheduler: Take ARM_Interface instance by reference in the constructorLioncash2018-09-251-2/+2
| | | | | It doesn't make sense to allow a scheduler to be constructed around a null pointer.
* core: Namespace all code in the arm subdirectory under the Core namespaceLioncash2018-08-251-2/+4
| | | | Gets all of these types and interfaces out of the global namespace.
* scheduler: Make HaveReadyThreads() a const member functionLioncash2018-08-121-1/+1
| | | | | This function doesn't modify instance state, so the const qualifier can be added to it.
* kernel: Move object class to its own source filesLioncash2018-08-021-0/+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: Remove unnecessary includesLioncash2018-07-311-1/+2
| | | | | Removes unnecessary direct dependencies in some headers and also gets rid of indirect dependencies that were being relied on to be included.
* scheduler: Protect scheduling functions with a global mutex.bunnei2018-05-111-0/+3
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* scheduler: Cleanup based on PR feedback.bunnei2018-02-191-3/+2
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* kernel: Add Scheduler, which encapsulates the scheduling loading from Thread module.bunnei2018-02-181-0/+74
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