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73 Commits

Author SHA1 Message Date
Liam da07e13e07 kernel: fix single-core preemption points 2022-07-14 22:47:18 -04:00
Liam 21945ae127 kernel: fix issues with single core mode 2022-07-14 22:47:18 -04:00
Liam 0624c880bd kernel: use KScheduler from mesosphere 2022-07-14 22:47:18 -04:00
Liam 1611c53c12 kernel: fix usage of waiter_list in Finalize 2022-07-09 18:54:54 -04:00
liamwhite 7e75593c20
Merge pull request #8502 from liamwhite/end-wait 
kernel: clean up waiting implementation
 2022-07-07 17:31:49 -04:00
Liam ed0319cfed common/fiber: make fibers easier to use 2022-07-02 12:33:49 -04:00
german77 a7d9be1384 core: Replace all instances of ResultCode with Result 2022-06-26 20:21:37 -05:00
Liam 075155022e kernel: clean up waiting implementation 2022-06-25 13:36:14 -04:00
Liam 2c56e94702 kernel: make current thread pointer thread local 2022-06-23 00:28:00 -04:00
bunnei 9da4e62573
Merge pull request #8483 from liamwhite/fire-emblem-three-semaphores 
kernel: wait for threads to stop on pause
 2022-06-22 14:46:33 -07:00
Liam 24d7aaf43c kernel: wait for threads to stop on pause 2022-06-18 16:54:33 -04:00
Liam 744a208763 kernel: fix some uses of disable_count 2022-06-15 20:53:49 -04:00
Liam 888f499188 kernel: implement KProcess suspension 2022-06-14 10:04:11 -04:00
Liam 084d7d6b01 common: Change semantics of UNREACHABLE to unconditionally crash 2022-06-13 20:09:00 -04:00
Liam 07922abffc core/debugger: Support reading guest thread names 2022-06-01 21:25:32 -04:00
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX 
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
 2022-04-23 05:55:32 -04:00
bunnei 3f0b93925f core: hle: kernel: k_thread: Rework dummy thread waiting. 2022-04-11 21:15:38 -07:00
lat9nq 6bcbbb29e7 k_thread: Fix data race 
TSan reports a data race between writing at cpp:1162 and reading at
h:262. Make the thread_state atomic to prevent this.
 2022-04-03 21:47:58 -04:00
ameerj ade596121b core: Reduce unused includes 2022-03-19 02:23:32 -04:00
bunnei 813b2ef253 core: hle: kernel: k_process: Implement thread local storage accurately. 2022-03-14 18:14:54 -07:00
bunnei 4a28d8cebb core: hle: kernel: k_thread: Ensure host Fiber is freed. 2022-03-14 18:14:53 -07:00
bunnei 59add00d4a hle: kernel: KThread: Improve Increment/Decrement RunningThreadCount. 
- Previously implementation was incorrect, and would occasionally underflow.
 2022-01-22 21:09:45 -08:00
bunnei 615fb40416 hle: kernel: KThread: Ensure host (dummy) threads block on locking. 
- But do not enter the priority queue, as otherwise they will be scheduled.
- Allows dummy threads to use guest synchronization primitives.
 2022-01-21 17:12:06 -08:00
bunnei 91ff6d4cb3 hle: kernel: KThread: DummyThread can be waited, ensure wait_queue is not nullptr. 2022-01-20 17:08:00 -08:00
bunnei 46a620f9d7 hle: kernel: KThread: Decrease DummyThread priority to ensure it is never scheduled. 2022-01-20 17:08:00 -08:00
bunnei 5ffec69dc7 hle: kernel: KThread: Ensure dummy threads never call EndWait. 
- These are only used by host threads for locking and will never have a wait_queue.
 2022-01-20 17:08:00 -08:00
bunnei f6cbb14dce hle: kernel: KThread: Rename thread_type_for_debugging -> thread_type. 
- This will be used to ensure that we do not schedule dummy threads.
 2022-01-20 17:08:00 -08:00
bunnei f499c8177e core: hle: kernel: KThread: Integrate with KWorkerTask and implement DoWorkerTaskImpl. 
- This is used to terminate a thread asynchronously after it has been exited.
- This fixes a crash that can occur in Pokemon Sword/Shield because a thread is incorrectly closed on svcExitThread, then, the thread is destroyed on svcCloseHandle while it is still scheduled.
- Instead, we now wait for the thread to no longer be scheduled on all cores before destroying it from KWorkerTaskManager, which is accurate to HOS behavior.
 2022-01-14 16:44:14 -08:00
bunnei 03884b7ea6 core: hle: kernel: KThread: Replace Suspend with UpdateState & various updates. 
- This makes our implementations of these more closely match HOS.
 2022-01-14 16:44:14 -08:00
bunnei 3a89723d97 core: hle: kernel: Implement thread pinning. 
- We largely had the mechanics in place for thread pinning, this change hooks these up.
- Validated with tests https://github.com/Atmosphere-NX/Atmosphere/blob/master/tests/TestSvc/source/test_thread_pinning.cpp.
 2021-12-30 15:50:45 -08:00
bunnei a0c7d93b84 core: hle: kernel: KThread: X18 should be a cryptographically random number. 
- This was added with firmware 11.0.0 (https://switchbrew.org/wiki/11.0.0).
    - X18 is OR'd by kernel with 1, to make sure it is odd.
 2021-12-23 00:03:39 -08:00
bunnei 0d1bdfc1d4 hle: kernel: Remove unnecessary virtual specifier on CancelWait. 2021-12-06 16:39:18 -08:00
bunnei a2384a18fa hle: kernel: k_thread: Skip reschedule on DisableDispatch with SC. 2021-12-06 16:39:18 -08:00
bunnei 42697527ba hle: kernel: k_thread: Rename sleeping_queue -> wait_queue. 2021-12-06 16:39:18 -08:00
bunnei 0d9afdedc4 hle: kernel: k_thread: Treat dummy threads as a special type. 2021-12-06 16:39:18 -08:00
bunnei abbea575cf hle: kernel: Add a flag for indicating that the kernel is currently shutting down. 2021-12-06 16:39:17 -08:00
bunnei 8f4ff06c4c hle: kernel: Cleanup to match coding style. 2021-12-06 16:39:17 -08:00
bunnei f62c7091a2 hle: kernel: KThread: Migrate to updated KThreadQueue (part 2). 2021-12-06 16:39:17 -08:00
bunnei b0671c7cfa hle: kernel: KThread: Migrate to updated KThreadQueue (part 1). 2021-12-06 16:39:17 -08:00
bunnei 2f89456041 hle: kernel: KThread: Remove tracking of sync object from threads. 2021-12-06 16:39:17 -08:00
bunnei bc1399204b hle: kernel: Update KThreadQueue and migrate KSynchronizationObject. 2021-12-06 16:39:17 -08:00
bunnei 3dc803a430 core: hle: kernel: Disable dispatch count tracking on single core. 
- This would have limited value, and would be a mess to handle properly.
 2021-12-06 16:39:17 -08:00
bunnei 04daefa488 core: hle: kernel: k_thread: Add KScopedDisableDispatch. 2021-12-06 16:39:16 -08:00
ameerj 7c4b6aab2e core: Remove unused includes 2021-11-03 21:42:57 -04:00
bunnei 0c8594b225
Revert "kernel: Various improvements to scheduler" 2021-08-25 20:59:28 -07:00
bunnei aef0ca6f0d core: hle: kernel: Disable dispatch count tracking on single core. 
- This would have limited value, and would be a mess to handle properly.
 2021-08-14 02:14:19 -07:00
bunnei 01af2f4162 core: hle: kernel: k_thread: Add KScopedDisableDispatch. 2021-08-07 12:18:47 -07:00
Morph 12c1766997 general: Replace RESULT_SUCCESS with ResultSuccess 
Transition to PascalCase for result names.
 2021-06-02 00:39:27 -04:00
Lioncash 16ff0161b3 k_thread: Move dereference after null check in Initialize() 
Prevents a -Wnonnull warning on GCC.
 2021-05-29 00:31:38 -04:00
Lioncash 2f62bae9e3 kernel: Eliminate variable shadowing 
Now that the large kernel refactor is merged, we can eliminate the
remaining variable shadowing cases.
 2021-05-08 12:33:26 -04:00