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Author SHA1 Message Date
Subv 5224cc49c4 Kernel/Mutex: Don't duplicate threads in the mutex waiter list. 
Exit from AddMutexWaiter early if the thread is already waiting for a mutex owned by the owner thread.

This accounts for the possibility of a thread that is waiting on a condition variable being awakened twice in a row.

Also added more validation asserts.

This should fix one of the random crashes in Breath Of The Wild.
 2018-08-12 16:35:27 -05:00
Lioncash e850ff63bc scheduler: Make HaveReadyThreads() a const member function 
This function doesn't modify instance state, so the const qualifier can
be added to it.
 2018-08-12 12:55:58 -04:00
bunnei ca4bf671ce server_session: Provide more useful information and don't crash on bad IPC request. 2018-08-11 21:15:24 -04:00
Lioncash ff5024ee2a hle_ipc: Make WriteToOutgoingCommandBuffer()'s reference parameter const 
This function doesn't modify anything within the reference Thread
instance.
 2018-08-09 02:51:38 -04:00
Lioncash da2f00ab7d client_port: Make all data members private 
These members don't need to be entirely exposed, we can instead expose
an API to operate on them without directly needing to mutate them

We can also guard against overflow/API misuse this way as well, given
active_sessions is an unsigned value.
 2018-08-06 23:05:17 -04:00
Lioncash 2feb1a8ba6 kernel/event: Make data members private 
Instead we can simply provide accessors to the required data instead of
giving external read/write access to the variables directly.
 2018-08-06 12:53:02 -04:00
Lioncash 7a77d0a71e address_arbiter: Return by value from GetThreadsWaitingOnAddress() 
In all cases the vector being supplied is empty, so we can just return
by value in these instances.
 2018-08-05 16:29:17 -04:00
bunnei 206f2e3436
Merge pull request #914 from lioncash/codeset 
kernel/process: Use accessors instead of class members for referencing segment array
 2018-08-04 02:17:25 -04:00
Lioncash e93fa7f2cc kernel/thread: Fix potential crashes introduced in 26de4bb521 
This amends cases where crashes can occur that were missed due to the
odd way the previous code was set up (using 3DS memory regions that
don't exist).
 2018-08-03 23:49:10 -04:00
Lioncash e649db8c6b kernel/process: Use std::array where applicable 2018-08-03 14:46:30 -04:00
Lioncash 2beda7c2b3 kernel/process: Use accessors instead of class members for referencing segment array 
Using member variables for referencing the segments array increases the
size of the class in memory for little benefit. The same behavior can be
achieved through the use of accessors that just return the relevant
segment.
 2018-08-03 14:45:45 -04:00
Lioncash 26de4bb521 core/memory: Get rid of 3DS leftovers 
Removes leftover code from citra that isn't needed.
 2018-08-03 11:22:47 -04:00
bunnei 4c3c608d59
Merge pull request #894 from lioncash/object 
kernel: Move object class to its own source files
 2018-08-03 00:28:43 -04:00
bunnei 4b84d5bcec
Merge pull request #904 from lioncash/static 
kernel/thread: Minor changes
 2018-08-03 00:19:29 -04:00
Lioncash d94a173877 kernel/vm_manager: Convert loop into std::any_of() 2018-08-02 12:46:15 -04:00
Lioncash c4e0c3d76c kernel/vm_manager: Use const where applicable 
Makes our immutable state explicit.
 2018-08-02 12:21:46 -04:00
Lioncash ce5ad45278 kernel/vm_manager: Use the VAddr type alias in CarveVMA() 
These two variables correspond to address ranges.
 2018-08-02 12:15:50 -04:00
Lioncash 6058c84b79 kernel/thread: Make GetFreeThreadLocalSlot()'s loop indices size_t 
Avoids using a u32 to compare against a range of size_t, which can be a
source of warnings. While we're at it, compress a std::tie into a
structured binding.
 2018-08-02 12:01:25 -04:00
Lioncash fac0e42b2f kernel/thread: Make GetFreeThreadLocalSlot() reference parameter a const reference 
This function only reads the data being referenced, it doesn't modify
it, so we can turn the reference into a const reference.
 2018-08-02 11:56:11 -04:00
Lioncash 9a50a4f2cc kernel/thread: Make GetFreeThreadLocalSlot() internally linked 
This function isn't used outside of this translation unit, so we can
make it internally linked.
 2018-08-02 11:54:23 -04:00
Lioncash bf45092c61 kernel: Move object class to its own source files 
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.
 2018-08-01 23:34:42 -04:00
Lioncash 49e198b20d kernel/thread: Remove unimplemented function prototype 
Given there's no implementation, we may as well remove the code
entirely.
 2018-07-31 23:21:38 -04:00
bunnei ff2c1b0a94
Merge pull request #877 from lioncash/remove 
kernel: Remove unused object_address_table.cpp/.h
 2018-07-31 20:11:39 -07:00
Lioncash 369f6e58aa kernel: Remove unused object_address_table.cpp/.h 
These source files were entirely unused throughout the rest of the
codebase. This also has the benefit of getting rid of a global variable
as well.
 2018-07-31 11:03:08 -04:00
Lioncash a2304fad16 kernel: Remove unnecessary includes 
Removes unnecessary direct dependencies in some headers and also gets
rid of indirect dependencies that were being relied on to be included.
 2018-07-31 10:15:17 -04:00
Lioncash 0cd843151f kernel/timer: Make data members private where applicable 
Instead, we can just expose functions that return the queryable state
instead of letting anything modify it.
 2018-07-26 09:51:44 -04:00
Mat M d3fd0351a7
Merge pull request #804 from lioncash/log 
svc: Log parameters in SetMemoryAttribute()
 2018-07-25 14:43:24 -04:00
bunnei 657bd113e3
Merge pull request #803 from MerryMage/core_timing_util 
core_timing: Split off utility functions into core_timing_util
 2018-07-25 11:09:31 -07:00
Lioncash c73410bf2c svc: Resolve sign comparison warnings in WaitSynchronization() 
The loop's induction variable was signed, but we were comparing against
an unsigned variable.
 2018-07-24 09:55:17 -04:00
Lioncash 8e8e906432 svc: Log parameters in SetMemoryAttribute() 
Provides slightly more context than only logging out the address value.
 2018-07-24 09:46:46 -04:00
bunnei d092ea0870
Merge pull request #794 from lioncash/ref 
mutex: Pass SharedPtr to GetHighestPriorityMutexWaitingThread() by reference
 2018-07-24 04:45:34 -07:00
MerryMage 44646e2ea0 core_timing: Split off utility functions into core_timing_util 2018-07-24 11:03:24 +01:00
Lioncash 42b5158c96 mutex: Pass SharedPtr to GetHighestPriorityMutexWaitingThread() by reference 
The pointed to thread's members are simply observed in this case, so we
don't need to copy it here.
 2018-07-23 22:54:35 -04:00
Lioncash 22fd3f0026 hle_ipc: Make constructors explicit where applicable 2018-07-23 22:40:24 -04:00
Lioncash cbe841c9c9 hle: Remove config_mem.h/.cpp 
This is just an unused hold-over from citra, so we can get rid of this
to trim off an exposed global, among other things.
 2018-07-23 12:57:34 -04:00
Lioncash 1f3889a290 hle: Remove shared_page.h/.cpp 
This is a holdover from citra that's essentially unused.
 2018-07-23 12:53:07 -04:00
Subv 7841447cf0 Kernel/SVC: Perform atomic accesses in SignalProcessWideKey as per the real kernel. 2018-07-22 12:27:24 -05:00
bunnei fe2498a650
Merge pull request #751 from Subv/tpidr_el0 
CPU: Save and restore the TPIDR_EL0 system register on every context switch
 2018-07-21 10:48:30 -07:00
Subv d84eb9dac6 CPU: Save and restore the TPIDR_EL0 system register on every context switch. 
Note that there's currently a dynarmic bug preventing this register from being written.
 2018-07-20 19:57:45 -05:00
Lioncash dbfe82773d thread: Convert ThreadStatus into an enum class 
Makes the thread status strongly typed, so implicit conversions can't
happen. It also makes it easier to catch mistakes at compile time.
 2018-07-19 22:08:56 -04:00
bunnei d3cfaf95c8
Merge pull request #726 from lioncash/overload 
hle_ipc: Introduce generic WriteBuffer overload for multiple container types
 2018-07-19 16:18:38 -07:00
bunnei 2194308245
Merge pull request #721 from lioncash/svc 
svc: Correct always true assertion case in SetThreadCoreMask
 2018-07-19 16:11:40 -07:00
Lioncash ff500a7b68 hle_ipc: Introduce generic WriteBuffer overload for multiple container types 
This introduces a slightly more generic variant of WriteBuffer().
Notably, this variant doesn't constrain the arguments to only accepting
std::vector instances. It accepts whatever adheres to the
ContiguousContainer concept in the C++ standard library.

This essentially means, std::array, std::string, and std::vector can be
used directly with this interface. The interface no longer forces you to
solely use containers that dynamically allocate.

To ensure our overloads play nice with one another, we only enable the
container-based WriteBuffer if the argument is not a pointer, otherwise
we fall back to the pointer-based one.
 2018-07-19 17:05:12 -04:00
Lioncash b879fb84a2 svc: Correct always true assertion case in SetThreadCoreMask 
The reason this would never be true is that ideal_processor is a u8 and
THREADPROCESSORID_DEFAULT is an s32. In this case, it boils down to how
arithmetic conversions are performed before performing the comparison.

If an unsigned value has a lesser conversion rank (aka smaller size)
than the signed type being compared, then the unsigned value is promoted
to the signed value (i.e. u8 -> s32 happens before the comparison). No
sign-extension occurs here either.

An alternative phrasing:

Say we have a variable named core and it's given a value of -2.

u8 core = -2;

This becomes 254 due to the lack of sign. During integral promotion to
the signed type, this still remains as 254, and therefore the condition
will always be true, because no matter what value the u8 is given it
will never be -2 in terms of 32 bits.

Now, if one type was a s32 and one was a u32, this would be entirely
different, since they have the same bit width (and the signed type would
be converted to unsigned instead of the other way around) but would
still have its representation preserved in terms of bits, allowing the
comparison to be false in some cases, as opposed to being true all the
time.

---

We also get rid of two signed/unsigned comparison warnings while we're
at it.
 2018-07-19 15:46:17 -04:00
Lioncash af2698dcea hle_ipc: Amend usage of buffer_index within one of HLERequestContext's WriteBuffer() overloads 
Previously, the buffer_index parameter was unused, causing all writes to
use the buffer index of zero, which is not necessarily what is wanted
all the time.

Thankfully, all current usages don't use a buffer index other than zero,
so this just prevents a bug before it has a chance to spring.
 2018-07-19 11:10:16 -04:00
bunnei 368e1d25be
Merge pull request #692 from lioncash/assign 
address_arbiter: Correct assignment within an assertion statement in WakeThreads()
 2018-07-18 20:56:28 -07:00
bunnei 85421f3406
Merge pull request #690 from lioncash/move 
core/memory, core/hle/kernel: Use std::move where applicable
 2018-07-18 20:55:55 -07:00
bunnei 90ce935f3d
Merge pull request #688 from lioncash/comma 
vm_manager: Add missing commas to string literal array elements in GetMemoryStateName()
 2018-07-18 18:59:09 -07:00
Lioncash 2cd3141c30 address_arbiter: Correct assignment within an assertion statement in WakeThreads() 
This was introduced within 4f81bc4e1b, and
considering there's no comment indicating that this is intentional, this
is very likely a bug.
 2018-07-18 19:46:46 -04:00
Lioncash 93cba6f699 vm_manager: Add missing commas to string literal array elements in GetMemoryStateName() 
Without these, this would perform concatenation, which is definitely not
what we want here.
 2018-07-18 19:37:19 -04:00
Lioncash 46458e7284 core/memory, core/hle/kernel: Use std::move where applicable 
Avoids pointless copies
 2018-07-18 19:34:31 -04:00
Lioncash 3a4841e403 core: Don't construct instance of Core::System, just to access its live instance 
This would result in a lot of allocations and related object
construction, just to toss it all away immediately after the call.

These are definitely not intentional, and it was intended that all of
these should have been accessing the static function GetInstance()
through the name itself, not constructed instances.
 2018-07-18 18:18:27 -04:00
bunnei 88a3140c9b
Merge pull request #671 from MerryMage/clear-exclusive-state 
scheduler: Clear exclusive state when switching contexts
 2018-07-17 07:33:32 -07:00
bunnei 519035db3d
Merge pull request #672 from SciresM/to_address_fix 
svc:: Fix bug in svcWaitForAddress
 2018-07-17 07:32:42 -07:00
bunnei 170e19d4ea nvflinger: Fix for BufferQueue event handling. 2018-07-17 00:26:23 -04:00
Michael Scire 3b885691a1 Kernel/Arbiter: Fix bug in WaitIfLessThan 2018-07-16 20:55:53 -06:00
MerryMage 56cc1c11ec scheduler: Clear exclusive state when switching contexts 2018-07-16 11:24:00 +01:00
David Marcec a7d6c0d6ea No need to use ASSERT_MSG with an empty message 2018-07-14 23:13:16 +10:00
James Rowe 0d46f0df12 Update clang format 2018-07-02 21:45:47 -04:00
James Rowe 638956aa81 Rename logging macro back to LOG_* 2018-07-02 21:45:47 -04:00
bunnei 6d7941042b
Merge pull request #579 from SciresM/master 
svc: Fully implement svcSignalToAddress and svcWaitForAddress
 2018-06-22 12:08:39 -04:00
mailwl a27befe456 IPC: skip empty buffer write 
prevent yuzu crash, if games, like Axiom Verge, trying to read 0 bytes from file
 2018-06-22 11:28:10 +03:00
Michael Scire 067ac434ba Kernel/Arbiters: Fix casts, cleanup comments/magic numbers 2018-06-22 00:47:59 -06:00
Michael Scire 5f8aa02584 Add additional missing format. 2018-06-21 21:09:51 -06:00
Michael Scire 08d454e30d Run clang-format on PR. 2018-06-21 21:05:34 -06:00
Michael Scire dc70a87af1 Kernel/Arbiters: HLE is atomic, adjust code to reflect that. 2018-06-21 20:25:57 -06:00
Michael Scire 8f8fe62a19 Kernel/Arbiters: Initialize arb_wait_address in thread struct. 2018-06-21 05:13:06 -06:00
Michael Scire 62bd1299ea Kernel/Arbiters: Clear WaitAddress in SignalToAddress 2018-06-21 04:20:39 -06:00
Michael Scire 4f81bc4e1b Kernel/Arbiters: Mostly implement SignalToAddress 2018-06-21 04:10:11 -06:00
Michael Scire 9d71ce88ce Kernel/Arbiters: Implement WaitForAddress 2018-06-21 01:40:29 -06:00
Michael Scire 7e191dccc1 Kernel/Arbiters: Add stubs for 4.x SignalToAddress/WaitForAddres SVCs. 2018-06-21 00:49:43 -06:00
Subv a3d82ef5d9 Build: Fixed some MSVC warnings in various parts of the code. 2018-06-20 11:39:10 -05:00
bunnei 4ac4b308e4
Merge pull request #572 from Armada651/user-except-stub 
svc: Add a stub for UserExceptionContextAddr.
 2018-06-18 11:37:13 -04:00
Jules Blok bf4e2b2f0b svc: Add a stub for UserExceptionContextAddr. 2018-06-18 09:29:11 +02:00
Subv 9cd87a6352 Kernel/Threads: A thread waking up by timeout from a WaitProcessWideKey may already have an assigned lock owner. 
This situation may happen like so:
Thread 1 with low priority calls WaitProcessWideKey with timeout.
Thread 2 with high priority calls WaitProcessWideKey without timeout.
Thread 3 calls SignalProcessWideKey
- Thread 2 acquires the lock and awakens.
- Thread 1 can't acquire the lock and is put to sleep with the lock owner being Thread 2.
Thread 1's timeout expires, with the lock owner still being set to Thread 2.
 2018-06-02 14:06:35 -05:00
Subv c02d7c8ce7 Kernel/Thread: Corrected a typo that caused the affinity mask to never be changed. 2018-05-30 21:36:29 -05:00
Subv 3957b0c34e Kernel/SVC: Support special core values -2 and -3 in svcSetThreadCoreMask. 
Also added some proper error handling.
 2018-05-30 21:36:29 -05:00
Subv d1f9c750a6 Kernel/Thread: Corrected a typo in an assert about the processor id. 2018-05-30 11:32:46 -05:00
greggameplayer b16e5c6a81 Add & correct miscellaneous things (#470) 
* add some InfoType

* correct OpenApplicationProxy cmd number

* add IDisplayController functions

* fix clang-format

* add more system languages
 2018-05-25 22:31:54 -04:00
bunnei 3825b703fa
Merge pull request #454 from Subv/signal_processwide 
Kernel/SVC: Signal the highest priority threads first in svcSignalProcessWideKey
 2018-05-23 10:28:23 -04:00
bunnei 693f78e6c2
Merge pull request #457 from Subv/mutex_waiters 
Mutex: Do not assert when the mutex waiting threads list isn't empty on mutex release.
 2018-05-20 23:44:44 -04:00
Subv fd500d3da6 Mutex: Do not assert when the mutex waiting threads list isn't empty on mutex release. 
A thread may own multiple mutexes at the same time, and only release one of them while other threads are waiting for the other mutexes.
 2018-05-20 14:41:58 -05:00
Subv 2a35a36251 Kernel/SVC: Signal the highest priority threads first in svcSignalProcessWideKey. 2018-05-19 16:58:30 -05:00
Subv c74f2555b6 Kernel/Threads: Reschedule the proper core when operating on that core's threads. 2018-05-19 16:57:44 -05:00
Subv fab3dd98fe SVC: Removed unused WaitSynchronization1 function 2018-05-19 16:56:33 -05:00
David Marcec fd86cdb2e2 Added RequestWithContext & ControlWithContext 2018-05-17 14:03:52 -07:00
bunnei 46ec9a9bc9 thread: Rename mask to affinity_masks. 2018-05-10 19:34:53 -04:00
bunnei fbd7afefaa thread: Support core change on ResumeFromWait and improve ChangeCore. 2018-05-10 19:34:53 -04:00
bunnei 91af2f94e8 scheduler: Protect scheduling functions with a global mutex. 2018-05-10 19:34:52 -04:00
bunnei 4822765fef thread: Initialize ideal_core and mask members. 2018-05-10 19:34:52 -04:00
bunnei 8aa5d25f82 threading: Reschedule only on cores that are necessary. 2018-05-10 19:34:52 -04:00
bunnei d6e3cd9a17 svc: Implement GetThreadCoreMask and SetThreadCoreMask. 2018-05-10 19:34:51 -04:00
bunnei 6ea8b3ef60 thread: Implement ChangeCore function. 2018-05-10 19:34:50 -04:00
bunnei 1c36f2a798 svc: SignalProcessWideKey should apply to all cores. 2018-05-10 19:34:49 -04:00
bunnei 6a890023e9 svc: Implement GetCurrentProcessorNumber. 2018-05-10 19:34:49 -04:00
bunnei a434fdcb10 core: Implement multicore support. 2018-05-10 19:34:46 -04:00
bunnei 1147db9dd1
Merge pull request #431 from lioncash/fmt 
general: Make formatting of logged hex values more straightforward
 2018-05-02 15:24:41 -04:00
Lioncash 7c9644646f
general: Make formatting of logged hex values more straightforward 
This makes the formatting expectations more obvious (e.g. any zero padding specified
is padding that's entirely dedicated to the value being printed, not any pretty-printing
that also gets tacked on).
 2018-05-02 09:49:36 -04:00
bunnei fadab1d5f3 ipc: Add support for PopIpcInterface() method. 
- This can be used for domain objects as inputs to service functions.
 2018-05-01 21:57:44 -04:00
David ff2f0d980a GetSharedFontInOrderOfPriority (#381) 
* GetSharedFontInOrderOfPriority

* Update pl_u.cpp

* Ability to use ReadBuffer and WriteBuffer with different buffer indexes, fixed up GetSharedFontInOrderOfPriority

* switched to NGLOG

* Update pl_u.cpp

* Update pl_u.cpp

* language_code is actually language code and not index

* u32->u64

* final cleanups
 2018-05-01 16:28:36 -04:00