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Author SHA1 Message Date
Sebastian Valle
f0027e9996
Merge pull request #3096 from Subv/arbitrateaddress 
Kernel/Arbiters: When doing ArbitrateAddress(Signal), always pick the highest priority thread, using the first one that was put to sleep if more than one thread with the same highest priority exists.
 2017-11-15 09:16:16 -05:00
Sebastian Valle
93742ec510
Merge pull request #3088 from Subv/clientsession_closing 
Kernel/Sessions: Wake up any threads waiting on a ServerSession when its client is closed
 2017-11-15 09:15:34 -05:00
Subv
c68adb787b Kernel/Arbiters: When doing ArbitrateAddress(Signal), always pick the highest priority thread, using the first one that was put to sleep if more than one thread with the same highest priority exists. 
This is consistent with hardware behavior as shown by this test https://gist.github.com/ds84182/40e46129bd38b46a5100f15f96ba5eaf
 2017-11-08 18:47:08 -05:00
Subv
06a2e0b591 Kernel/Sessions: Wake up any threads waiting on a ServerSession when its client is closed 
The error code 0xC920181A will be returned by svcReplyAndReceive when the wakeup callback runs.
This lets LLE services be properly notified of clients closing the connection so they can end their handler threads instead of letting them linger indefinitely, taking up connection slots in their parent port.
 2017-11-06 23:07:08 -05:00
Subv
980df62397 Kernel/Thread: Run the main thread in the CPU specified by the process' exheader. 
System services usually have Core1 in this field, but citra was running them in Core0 regardless.
 2017-11-06 13:14:31 -05:00
Sebastian Valle
d55a13c35d
Merge pull request #2981 from Subv/replyreceive 
Kernel/SVC: Implement LLE command buffer translation in ReplyAndReceive
 2017-11-06 13:02:30 -05:00
Subv
23deae4785 Debugging: Implement GetName for Kernel::ServerSession. 
Fixes the "[UNKNOWN KERNEL OBJECT]" message in the wait tree when inspecting a server session.
 2017-11-06 10:47:06 -05:00
Subv
8f108367c9 Kernel/IPC: Put a thread to sleep when performing an LLE IPC request. 
It will be awoken when the server replies to the request via svcReplyAndReceive.
 2017-11-06 10:46:19 -05:00
Subv
33c5982f6d Kernel/Threads: Added a new thread status to identify threads waiting for an IPC reply from svcSendSyncRequest. 2017-11-06 10:46:19 -05:00
Subv
8e2d9f48f5 Kernel/IPC: Remove dead buffer translation code. 
This is all implemented elsewhere, HLERequestContext for HLE requests, and svcReplyAndReceive for LLE requests.
 2017-11-06 10:46:18 -05:00
Subv
7cf7999e02 Kernel/IPC: Added a function to translate the IPC command buffer from one process to another. 
Currently only CopyHandle, MoveHandle and CallingPid descriptors are implemented.
 2017-11-06 10:46:12 -05:00
wwylele
4fdc877626 remove trailing spaces 2017-11-06 13:57:06 +02:00
Sebastian Valle
ff17773c28
Kernel/Mutex: Add a missing return in Mutex::Release 
Fixes a regression in #3042.
Closes #3079
 2017-11-05 21:31:22 -05:00
Weiyi Wang
4fc0448093
Merge pull request #3064 from wwylele/printf-warnings 
Clean all format warnings
 2017-11-05 10:32:46 +02:00
Subv
68dba11805 Kernel/SVC: Don't let svcReleaseMutex release a mutex owned by another thread. 
This behavior was reverse engineered from the 3DS kernel.
 2017-11-04 10:05:18 -05:00
wwylele
499508389c core: clear format warnings 2017-11-01 12:35:32 +02:00
bunnei
15c7641bef Merge pull request #2977 from Subv/shmem_create 
SharedMemory: Don't take over and unmap the source memory block when creating a shared memory, just reference it
 2017-10-03 16:21:49 -04:00
Subv
b18589ecf7 Kernel/SharedMemory: Don't take over and unmap the source memory block when creating a shared memory, just reference it. 
Also reference the right offset into the backing block for the requested address.
 2017-10-02 15:16:16 -05:00
Sebastian Valle
30fabc41c6 Merge pull request #2971 from Subv/per_process_memops 
Memory: Add overloads for ReadBlock and WriteBlock that operate on a specific process.
 2017-10-01 14:44:06 -05:00
Subv
8217ed7acb Kernel/Thread: Added a helper function to get a thread's command buffer VAddr. 2017-10-01 14:18:35 -05:00
Sebastian Valle
db752b52e8 Merge pull request #2967 from Subv/thread_wakeup_callbacks 
Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken
 2017-09-30 09:12:18 -05:00
Huw Pascoe
a13ab958cb Fixed type conversion ambiguity 2017-09-30 09:34:35 +01:00
Subv
8432749db7 Kernel/Threads: When putting a thread to wait, specify a function to execute when it is awoken. 
This change makes for a clearer (less confusing) path of execution in the scheduler, now the code to execute when a thread awakes is closer to the code that puts the thread to sleep (WaitSynch1, WaitSynchN). It also allows us to implement the special wake up behavior of ReplyAndReceive without hacking up WaitObject::WakeupAllWaitingThreads.

If savestates are desired in the future, we can change this implementation to one similar to the CoreTiming event system, where we first register the callback functions at startup and assign their identifiers to the Thread callback variable instead of directly assigning a lambda to the wake up callback variable.
 2017-09-28 11:53:32 -05:00
Subv
3165466b66 Kernel/Thread: Allow specifying which process a thread belongs to when creating it. 
Don't automatically assume that Thread::Create will only be called when the parent process is currently scheduled. This assumption will be broken when applets or system modules are loaded.
 2017-09-26 17:40:49 -05:00
MerryMage
c02bbb7030 memory: Add GetCurrentPageTable/SetCurrentPageTable 
Don't expose Memory::current_page_table as a global.
 2017-09-24 22:42:42 +01:00
B3n30
813837c5cf Merge pull request #2842 from Subv/switchable_page_table 
Kernel/Memory: Give each process its own page table and allow switching the current page table upon reschedule
 2017-09-15 22:41:45 +02:00
Subv
b178089251 Kernel/Threads: Don't clear the CPU instruction cache when performing a context switch from an idle thread into a thread in the same process. 
We were unnecessarily clearing the cache when going from Process A -> Idle -> Process A, this caused extreme performance regressions.
 2017-09-15 14:26:15 -05:00
Subv
214150f00c Kernel/Memory: Changed GetPhysicalPointer so that it doesn't go through the current process' page table to obtain a pointer. 2017-09-15 14:26:13 -05:00
Subv
c34ec5e77c Kernel/Memory: Switch the current page table when a new process is scheduled. 2017-09-10 15:14:31 -05:00
Subv
6d2734a074 Kernel/Memory: Give each Process its own page table. 
The loader is in charge of setting the newly created process's page table as the main one during the loading process.
 2017-09-10 15:13:41 -05:00
James Rowe
61442d6afb Merge pull request #2839 from Subv/global_kernel_lock 
Kernel/HLE: Use a mutex  to synchronize access to the HLE kernel state between the cpu thread and any other possible threads that might touch the kernel (network thread, etc).
 2017-08-23 18:17:44 -06:00
bunnei
2bbff9fa96 Merge pull request #2893 from Subv/not_schedule_main_thread 
Kernel/Threads: Don't immediately switch to the new main thread when loading a new process.
 2017-08-22 17:45:47 -04:00
Subv
bca8916cea Kernel/HLE: Use a mutex to synchronize access to the HLE kernel state between the cpu thread and any other possible threads that might touch the kernel (network thread, etc). 
This mutex is acquired in SVC::CallSVC, ie, as soon as the guest application enters the HLE kernel, and should be acquired by the aforementioned threads before modifying kernel structures.
 2017-08-22 09:30:55 -05:00
Subv
fa228ca637 Kernel/Threads: Don't immediately switch to the new main thread when loading a new process. 
This is necessary for loading multiple processes at the same time.
The main thread will be automatically scheduled when necessary once the scheduler runs.
 2017-08-21 20:54:29 -05:00
Subv
65f19b51c4 Warnings: Add UNREACHABLE macros to switches that contemplate all possible values. 2017-08-21 08:34:28 -05:00
Weiyi Wang
045d0b5bbd Merge pull request #2799 from yuriks/virtual-cached-range-flush 
Add address conversion functions returning optional, Add function to flush virtual region from rasterizer cache
 2017-07-22 10:15:52 +03:00
Sebastian Valle
56d718b2a1 Merge pull request #2793 from Subv/replyandreceive 
Kernel/SVC: Partially implemented svcReplyAndReceive
 2017-06-29 17:05:22 -05:00
Subv
b53fa9514f Kernel/SVC: Pass the current thread as a parameter to ClientSession::SendSyncRequest. 2017-06-29 12:30:34 -05:00
Subv
c3c9175a1c Kernel/Sessions: Clean up the list of pending request threads of a session when the client endpoint is closed. 2017-06-25 23:38:29 -05:00
Subv
8feeb81af2 Kernel/ServerSession: Keep track of which threads have issued sync requests. 2017-06-25 14:47:25 -05:00
Yuri Kunde Schlesner
e192d417ec Kernel: Implement AcceptSession SVC 2017-06-23 11:26:37 -07:00
Yuri Kunde Schlesner
326e7c7020 Memory: Make PhysicalToVirtualAddress return a boost::optional 
And fix a few places in the code to take advantage of that.
 2017-06-21 22:55:17 -07:00
Yuri Kunde Schlesner
f64d0b3f26 Kernel/IPC: Support translation of null handles 
Missed this in my first implementation. Thanks to @wwylele for pointing
out that this was missing.
 2017-06-21 14:27:03 -07:00
Weiyi Wang
c4f0927a62 Merge pull request #2789 from yuriks/misc-kernel 
Trivial no-op additions
 2017-06-21 20:34:12 +03:00
Yuri Kunde Schlesner
b21dfbb295 Merge pull request #2790 from yuriks/remove-movefrom 
Remove ResultVal::MoveFrom
 2017-06-20 22:04:09 -07:00
Yuri Kunde Schlesner
723dc644fa ResultVal: Remove MoveFrom() 
Replace it with std::move(result_val).Unwrap(), or Foo().Unwrap() in
case you already have an rvalue.
 2017-06-18 19:03:15 -07:00
Yuri Kunde Schlesner
90b8d4dd36 Kernel: Add comment about the extended linear heap area 2017-06-18 18:38:40 -07:00
Yuri Kunde Schlesner
0dfafdbe59 Kernel/IPC: Make HLERequestContext usable from outside kernel 2017-06-18 16:05:12 -07:00
Yuri Kunde Schlesner
d8f6000f54 Kernel/IPC: Use boost::small_vector for HLE context objects 2017-06-11 16:34:13 -07:00
Yuri Kunde Schlesner
92ca422088 Kernel: Allow clearing request_objects to re-use buffer space 
Reduces the necessary allocation to max(in_handles, out_handles) rather
than (in_handles + out_handles).
 2017-06-11 13:10:21 -07:00