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2020-12-06hle: kernel: Rewrite scheduler implementation based on Mesopshere.bunnei1-320/+0
2020-11-29kernel: scheduler: Minor cleanup to remove duplicated code.bunnei1-0/+2
2020-08-14kernel/scheduler: Mark SchedulerLock constructor as nodiscardLioncash1-1/+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.
2020-07-13kernel/scheduler: Use std::mutex instead of spin lockReinUsesLisp1-1/+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.
2020-06-28Core/Common: Address Feedback.Fernando Sahmkow1-0/+4
2020-06-27Kernel: Correct Host Context on Threads and Scheduler.Fernando Sahmkow1-1/+1
2020-06-27SingleCore: Improve Cycle timing Behavior and replace mutex in global scheduler for spinlock.Fernando Sahmkow1-1/+1
2020-06-27CPU_Manager: Unload/Reload threads on preemption on SingleCoreFernando Sahmkow1-0/+10
2020-06-27Kernel: Fixes, corrections and asserts to scheduler and different svcs.Fernando Sahmkow1-2/+3
2020-06-27Scheduler: Release old thread fiber before trying to switch to the next thread fiber.Fernando Sahmkow1-0/+9
2020-06-27Kernel: Corrections to Scheduling.Fernando Sahmkow1-0/+2
2020-06-27General: Add AssertsFernando Sahmkow1-0/+1
2020-06-27SVC: Correct SendSyncRequest.Fernando Sahmkow1-0/+2
2020-06-27General: Recover Prometheus project from harddrive failure Fernando Sahmkow1-38/+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.
2020-03-03core: Implement separate A32/A64 ARM interfaces.bunnei1-2/+1
2020-02-22Kernel: Address Feedback.Fernando Sahmkow1-4/+4
2020-02-22Kernel: Implement Scheduler locksFernando Sahmkow1-0/+41
2020-02-22Kernel: Make global scheduler depend on KernelCoreFernando Sahmkow1-2/+3
2020-02-12Core: Set all hardware emulation constants in a single file.Fernando Sahmkow1-6/+7
2019-12-08kernel: Remove unnecessary includesLioncash1-2/+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.
2019-11-25kernel: Replace usage of boost::intrusive_ptr with std::shared_ptr for kernel objects. (#3154)bunnei1-6/+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.
2019-11-12kernel: Resolve sign conversion warningsLioncash1-18/+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.
2019-10-28scheduler: Mark parameter of AskForReselectionOrMarkRedundant() as constLioncash1-1/+1
This is only compared against, so it can be made const.
2019-10-28scheduler: Initialize class members directly where applicableLioncash1-1/+1
Reduces the overall amount of code.
2019-10-28scheduler: Amend documentation commentsLioncash1-46/+59
Adjusts the formatting of a few of the comments an ensures they get recognized as proper Doxygen comments.
2019-10-15Kernel: Address Feedback.Fernando Sahmkow1-41/+24
2019-10-15Kernel Scheduler: Make sure the global scheduler shutdowns correctly.Fernando Sahmkow1-0/+7
2019-10-15Scheduler: Corrections to YieldAndBalanceLoad and Yield bombing protection.Fernando Sahmkow1-1/+1
2019-10-15Kernel: Initial implementation of thread preemption.Fernando Sahmkow1-0/+4
2019-10-15Scheduler: Add protections for Yield bombingFernando Sahmkow1-4/+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.
2019-10-15Kernel: Style and CorrectionsFernando Sahmkow1-22/+31
2019-10-15Comment and reorganize the schedulerFernando Sahmkow1-5/+33
2019-10-15Implement a new Core SchedulerFernando Sahmkow1-103/+117
2019-03-30kernel/scheduler: Remove unused parameter to AddThread()Lioncash1-1/+1
This was made unused in b404fcdf1443b91ac9994c05ad1fe039fcd9675e, but the parameter itself wasn't removed.
2019-03-27Use MultiLevelQueue instead of old ThreadQueueListFernando Sahmkow1-2/+2
2019-03-04kernel/scheduler: Pass in system instance in constructorLioncash1-2/+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.
2018-12-03scheduler: Only work steal higher priority threads from other coresZach Hilman1-4/+1
2018-11-22scheduler: Add explanations for YieldWith and WithoutLoadBalancingZach Hilman1-2/+68
2018-11-19svc: Implement yield types 0 and -1Zach Hilman1-0/+6
2018-10-26svc: Implement svcGetInfo command 0xF0000002Lioncash1-0/+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; }
2018-09-25kernel/scheduler: Take ARM_Interface instance by reference in the constructorLioncash1-2/+2
It doesn't make sense to allow a scheduler to be constructed around a null pointer.
2018-08-25core: Namespace all code in the arm subdirectory under the Core namespaceLioncash1-2/+4
Gets all of these types and interfaces out of the global namespace.
2018-08-12scheduler: Make HaveReadyThreads() a const member functionLioncash1-1/+1
This function doesn't modify instance state, so the const qualifier can be added to it.
2018-08-02kernel: Move object class to its own source filesLioncash1-0/+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.
2018-07-31kernel: Remove unnecessary includesLioncash1-1/+2
Removes unnecessary direct dependencies in some headers and also gets rid of indirect dependencies that were being relied on to be included.
2018-05-11scheduler: Protect scheduling functions with a global mutex.bunnei1-0/+3
2018-02-19scheduler: Cleanup based on PR feedback.bunnei1-3/+2
2018-02-18kernel: Add Scheduler, which encapsulates the scheduling loading from Thread module.bunnei1-0/+74
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