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104 commits

Author SHA1 Message Date
Liam f0c6de7dd2 kernel: signal thread on termination completed 2023-10-21 20:03:41 -04:00
Liam c00faac482 kernel: add missing TLR clear 2023-10-21 20:03:41 -04:00
Liam 62e106dbe8 kernel: update KProcess 2023-10-21 20:03:41 -04:00
liamwhite a28a0c47f8 Merge pull request #10990 from comex/ubsan 
Fixes and workarounds to make UBSan happier on macOS
 2023-07-26 10:33:28 -04:00
lat9nq 30e4e8c2f4 general: Silence -Wshadow{,-uncaptured-local} warnings 
These occur in the latest commits in LLVM Clang.
 2023-07-18 19:31:35 -04:00
comex 85d77f636c Fixes and workarounds to make UBSan happier on macOS 
There are still some other issues not addressed here, but it's a start.

Workarounds for false-positive reports:

- `RasterizerAccelerated`: Put a gigantic array behind a `unique_ptr`,
  because UBSan has a [hardcoded limit](https://stackoverflow.com/questions/64531383/c-runtime-error-using-fsanitize-undefined-object-has-a-possibly-invalid-vp)
  of how big it thinks objects can be, specifically when dealing with
  offset-to-top values used with multiple inheritance.  Hopefully this
  doesn't have a performance impact.

- `QueryCacheBase::QueryCacheBase`: Avoid an operation that UBSan thinks
  is UB even though it at least arguably isn't.  See the link in the
  comment for more information.

Fixes for correct reports:

- `PageTable`, `Memory`: Use `uintptr_t` values instead of pointers to
  avoid UB from pointer overflow (when pointer arithmetic wraps around
  the address space).

- `KScheduler::Reload`: `thread->GetOwnerProcess()` can be `nullptr`;
  avoid calling methods on it in this case.  (The existing code returns
  a garbage reference to a field, which is then passed into
  `LoadWatchpointArray`, and apparently it's never used, so it's
  harmless in practice but still triggers UBSan.)

- `KAutoObject::Close`: This function calls `this->Destroy()`, which
  overwrites the beginning of the object with junk (specifically a free
  list pointer).  Then it calls `this->UnregisterWithKernel()`.  UBSan
  complains about a type mismatch because the vtable has been
  overwritten, and I believe this is indeed UB.  `UnregisterWithKernel`
  also loads `m_kernel` from the 'freed' object, which seems to be
  technically safe (the overwriting doesn't extend as far as that
  field), but seems dubious.  Switch to a `static` method and load
  `m_kernel` in advance.
 2023-07-15 12:00:28 -07:00
Kelebek1 c7430e51e3 Remove memory allocations in some hot paths 2023-06-22 08:05:10 +01:00
lat9nq 59236a458c k_thread: Use a mutex and cond_var to sync bool 
std::atomic<bool> is broken on MinGW and causes deadlocks there.
Use a normal cond var in its stead.
 2023-06-17 15:25:36 -04:00
Liam 6eaef51cf2 memory: rename global memory references to application memory 2023-03-23 20:28:47 -04:00
Liam 156516e399 kernel: use KTypedAddress for addresses 2023-03-22 09:35:16 -04:00
Liam 9d5747fb71 kernel: additional style fixes to KThread, KProcess 2023-03-12 22:10:27 -04:00
Liam 46d09ae364 kernel: convert KThread to new style 2023-03-12 22:09:09 -04:00
Liam d0e11c27d9 kernel: prefer std::addressof 2023-03-12 22:09:09 -04:00
Liam cf0b407daa kernel: remove kernel_ 2023-03-12 22:09:09 -04:00
liamwhite e70d580897 Merge pull request #9923 from liamwhite/kht 
kernel: add timer pointer to KThreadQueue
 2023-03-10 16:19:41 -05:00
Liam 46a6277709 kernel: add timer pointer to KThreadQueue 2023-03-07 20:51:29 -05:00
Liam 1484a6536d kernel: clone fpu status on CreateThread 2023-03-07 19:18:06 -05:00
Liam 63414faea4 kernel: be more careful about kernel address keys 2023-03-01 10:42:45 -05:00
Liam f4e795193b kernel: refactor priority inheritance to represent locks as C++ objects 2023-03-01 10:42:45 -05:00
Liam 1c3a93e7c4 service: refactor server architecture 
Converts services to have their own processes
 2023-02-21 12:19:25 -05:00
Liam 832e1e2ca4 kernel: use GetCurrentProcess 2023-02-13 11:05:14 -05:00
Liam b85a155abd kernel: split SetAddressKey into user and kernel variants 2023-01-23 20:31:03 -05:00
Liam 31945a6e8b kernel: fix incorrect locking order in suspension 2023-01-23 17:14:41 -05:00
Liam affd5c32f9 kernel/svc_types: refresh 2022-11-09 19:05:08 -05:00
Liam c835c254a3 service_thread: register service threads to the logical owner process 2022-11-04 09:18:57 -04:00
Liam e9589c859d k_thread: fix single core 2022-10-30 18:44:29 -04:00
Liam 3980952ab8 kernel: refactor dummy thread wakeups 2022-10-24 19:52:01 -04:00
bunnei 4c2274b2c1 core: hle: kernel: Use result macros for new/changed code. 2022-10-18 19:13:35 -07:00
bunnei 97e4cd1c8f core: hle: kernel: k_thread: Implement thread termination DPC. 2022-10-18 19:13:34 -07:00
Liam dbb1312876 kernel: Ensure all uses of disable_count are balanced 2022-07-14 22:47:18 -04:00
Liam e2be660909 kernel: be more careful about initialization path for HLE threads 2022-07-14 22:47:18 -04:00
Liam 21e2063d7d kernel: fix single-core preemption points 2022-07-14 22:47:18 -04:00
Liam 61b26b386d kernel: fix issues with single core mode 2022-07-14 22:47:18 -04:00
Liam e47bced65d kernel: use KScheduler from mesosphere 2022-07-14 22:47:18 -04:00
Liam 12948cf615 kernel: fix usage of waiter_list in Finalize 2022-07-09 18:54:54 -04:00
liamwhite 79d631b630 Merge pull request #8502 from liamwhite/end-wait 
kernel: clean up waiting implementation
 2022-07-07 17:31:49 -04:00
Liam e551960935 common/fiber: make fibers easier to use 2022-07-02 12:33:49 -04:00
german77 c7890ebccc core: Replace all instances of ResultCode with Result 2022-06-26 20:21:37 -05:00
Liam f70a3ada00 kernel: clean up waiting implementation 2022-06-25 13:36:14 -04:00
Liam 83f1ecb73b kernel: make current thread pointer thread local 2022-06-23 00:28:00 -04:00
bunnei 3f3f5aa93b 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 808ad9eb9f kernel: wait for threads to stop on pause 2022-06-18 16:54:33 -04:00
Liam 6d5cc6b2a2 kernel: fix some uses of disable_count 2022-06-15 20:53:49 -04:00
Liam 59a6d88625 kernel: implement KProcess suspension 2022-06-14 10:04:11 -04:00
Liam c1771c98f3 common: Change semantics of UNREACHABLE to unconditionally crash 2022-06-13 20:09:00 -04:00
Liam b3dce90004 core/debugger: Support reading guest thread names 2022-06-01 21:25:32 -04:00
Morph 2b87305d31 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 03f8a16869 core: hle: kernel: k_thread: Rework dummy thread waiting. 2022-04-11 21:15:38 -07:00
lat9nq 831f022536 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 22e01068e1 core: Reduce unused includes 2022-03-19 02:23:32 -04:00