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1937 commits

Author SHA1 Message Date
bunnei
3a1a3dd0db hle: kernel: KScheduler: Fix deadlock with core waiting for a thread lock that has migrated. 
- Previously, it was possible for a thread migration to occur from core A to core B.
- Next, core B waits on a guest lock that must be released by a thread queued for core A.
- Meanwhile, core A is still waiting on the core B's current thread lock - resulting in a deadlock.
- Fix this by try-locking the thread lock.
- Fixes softlocks in FF8 and Pokemon Legends Arceus.
 2022-01-27 12:17:14 -08:00
bunnei
adcac857f8
Merge pull request #7762 from bunnei/un-map-improve 
Kernel Memory Updates (Part 4): Improve Un/MapPages, and more.
 2022-01-26 17:54:20 -08:00
Morph
8dbad556ec
Merge pull request #7771 from lioncash/assert 
kernel/k_affinity_mask: Remove duplicated assert
 2022-01-25 16:15:18 -05:00
Lioncash
2f12caccf9 kernel/k_affinity_mask: Remove duplicated assert 
This is already checked inside GetCoreBit()
 2022-01-24 10:35:22 -05:00
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
e791da9791 core: hle: kernel: KPageTable: Various improvements to MapPages and UnmapPages. 2022-01-22 20:51:34 -08:00
bunnei
07add23251 core: hle: kernel: KPageTable: MapProcessCode: Various cleanup. 2022-01-22 20:51:34 -08:00
bunnei
ee25e0a40b core: hle: kernel: KPageTable: ReserveTransferMemory: Various cleanup. 2022-01-22 20:51:34 -08:00
bunnei
0cee5e1af8 core: hle: kernel: KPageTable: ResetTransferMemory: Various cleanup. 2022-01-22 20:51:34 -08:00
bunnei
ffcaf5af90 core: hle: kernel: KPageTable: SetMemoryAttribute: Various cleanup. 2022-01-22 20:51:34 -08:00
bunnei
2935c9d8de core: hle: kernel: KPageTable: Assert valid address on GetPhysicalAddr. 2022-01-22 01:33:26 -08:00
bunnei
264bb5abf7 core: hle: kernel: KPageTable: Operate: Assert lock ownership. 2022-01-22 01:33:26 -08:00
bunnei
0137f2e6e1 core: hle: kernel: KPageTable: SetHeapSize: Cleanup & take physical memory lock. 2022-01-22 01:33:26 -08:00
bunnei
6d8e498f76 core: hle: kernel: Refactor Un/MapPhysicalMemory to remove unnecessary methods. 2022-01-22 01:33:26 -08:00
bunnei
b8b1b58f36 core: hle: kernel: Rename Un/Map to Un/MapMeory. 2022-01-22 01:33:26 -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
f6815086a1 hle: kernel: Remove redundant tracking of dummy threads. 
- These are already tracked by kernel's registered_objects member.
 2022-01-20 17:08:00 -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
0b37e7cb39 hle: kernel: service_thread: Ensure dummy thread is closed & destroyed on thread exit. 2022-01-20 17:08:00 -08:00
bunnei
384e24d3e9 hle: kernel: KServerSession: Remove hack for CompleteSyncRequest. 
- This does not appear to be necessary anymore.
 2022-01-20 17:08:00 -08:00
bunnei
ad53dc22fd hle: kernel: KServerSession: Simplify CompleteSyncRequest EndWait. 
- Considering is_thread_waiting is never set, so we can remove IsThreadWaiting.
- KThread::EndWait will take the scheduler lock, so we can remove the redundant lock.
 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
11a380c3da hle: kernel: KScheduler: Ensure dummy threads are never scheduled. 
- These are only used by host threads for locking.
 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
b5e83bcc7b
Merge pull request #7701 from bunnei/clear-mem-pages 
Kernel Memory Updates (Part 3): Clear KMemoryManager pages & other fixes
 2022-01-18 21:20:42 -08:00
bunnei
101d86897b
Merge pull request #7712 from bunnei/fix-thread-exit 
Accurately implement thread exit
 2022-01-17 18:08:24 -08:00
Valeri
84786dde00
hle: remove no-op code 
Found by static analysis with PVS-Studio. Nobody seems to really know what was it doing there.
 2022-01-17 13:51:12 +03:00
bunnei
b54cbc985e hle: kernel: k_memory_manager: Clear pages on allocation & free. 
- Heap pages should be zero'd.
- Also explicitly passed along heap allocation option.
 2022-01-14 21:16:33 -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
d8b3f665db core: hle: kernel: KProcess: Integrate with KWorkerTask and add unimplemented DoWorkerTaskImpl. 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
c905044e1b core: hle: kernel: Instantiate a kernel instance of KWorkerTaskManager. 2022-01-14 16:44:14 -08:00
bunnei
bf32fcc817 core: hle: kernel: Add KWorkerTask and KWorkerTaskManager. 
- These primitives are used to dispatch asynchronous kernel tasks from KThread and KProcess.
 2022-01-14 16:43:59 -08:00
bunnei
cc112f971e hle: kernel: Fix service_threads access to be thread safe V2. 
- PR #7699 attempted to fix CreateServiceThread and ReleaseServiceThread to be thread safe, but inadvertently introduced a possible dead-lock.
- With this PR, we use a worker thread to manage the service thread list, allowing it only to be accessed by a single thread, and guaranteeing threads will not destroy themselves.
- Fixes a rare crash in Pokemon Sword/Shield, I've now run this game for ~12 hours non-stop and am quite confident this is a good solution for this issue.
 2022-01-14 16:02:57 -08:00
Mai M
b2d45a4072
Merge pull request #7699 from bunnei/fix-service-thread-race 
hle: kernel: Fix service_threads access to be thread safe.
 2022-01-14 00:46:16 -05:00
bunnei
2147240e47 hle: kernel: Fix service_threads access to be thread safe. 
- CreateServiceThread and ReleaseServiceThread can be accessed by different threads, uses a lock to make this thread safe.
- Fixes a rare crash in Pokemon Sword/Shield that can occur when a new service thread is being created while an old one is being destroyed.
 2022-01-13 21:26:10 -08:00
bunnei
49a0e4330e hle: kernel: k_page_table: Update SetProcessMemoryPermission. 2022-01-11 16:28:11 -08:00
bunnei
6123b6ea45 hle: kernel: k_page_table: ReadAndWrite -> UserReadWrite. 2022-01-11 16:28:11 -08:00
bunnei
081669c334 hle: kernel: k_page_table: Rename *ProcessCodeMemory -> *CodeMemory. 2022-01-11 16:28:11 -08:00
bunnei
af4696657c core: hle: kernel: svc: Updates to SetMemoryAttribute and SetMemoryPermission. 2022-01-08 12:18:14 -08:00
bunnei
b9a313057e core: hle: kernel: k_page_table: Update CheckMemoryState. 2022-01-08 03:20:57 -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
091463a429 core: hle: kernel: Updated implementation of svcSetHeapSize. 
- Updates our svcSetHeapSize with latest HOS, furthermore allowing heap size to properly be extended/shrunk.
- Validated with tests https://github.com/Atmosphere-NX/Atmosphere/blob/master/tests/TestSvc/source/test_set_heap_size.cpp.
 2021-12-28 01:25:20 -08:00
bunnei
9a0648ff0a
Merge pull request #7621 from bunnei/set-mem-perm 
core: hle: kernel: Implement SetMemoryPermission.
 2021-12-27 23:33:11 -08:00
bunnei
4e7a6639d2 core: hle: kernel: Implement SetMemoryPermission. 
- Not seen in any games yet, but validated with kernel tests.
 2021-12-23 01:10:36 -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
49e3c073a5 hle: kernel: svc: GetInfo: Fix error checking with IdleTickCount. 
- Enforce tha the supplied handle is invalid, not valid.
- This gets Witcher 3 booting.
 2021-12-21 22:41:23 -08:00
bunnei
ee6d40d414
Merge pull request #7597 from bunnei/remove-global-lock 
core: hle: Remove global HLE lock.
 2021-12-20 14:24:50 -08:00
ameerj
55650c5b75 kernel: Manually destroy the current process during shut down 
Avoids a memory leak.
 2021-12-19 01:38:25 -05:00