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399 commits

Author SHA1 Message Date
Yuri Kunde Schlesner
03ad0ec0e5 DSP: Create backing memory for entire DSP RAM 
Also move address space mapping out of video_core.
 2017-05-09 21:44:00 -07:00
wwylele
67ead14445 Timer: restore missing signaled=true from #2421 2017-02-27 22:49:46 +02:00
B3n30
3fef6c1b0b Fix log entry in timer::signal (#2600) 2017-02-27 11:04:03 -05:00
Mat M
dc1927a9d1 Doxygen: Amend minor issues (#2593) 
Corrects a few issues with regards to Doxygen documentation, for example:

- Incorrect parameter referencing.
- Missing @param tags.
- Typos in @param tags.

and a few minor other issues.
 2017-02-26 17:58:51 -08:00
Yuri Kunde Schlesner
9a88ab50f7 Merge pull request #2587 from yuriks/status-bar 
Replace built-in Profiler with indicators in status bar
 2017-02-26 17:51:15 -08:00
Yuri Kunde Schlesner
28c24c2c6e Core: Remove unnecessary include in thread.h 2017-02-26 17:22:01 -08:00
Subv
f814a914b0 Timers: Immediately signal the timer if it was started with an initial value of 0. 2017-02-21 20:51:54 -05:00
Subv
a81290ffb4 Threads: Check the process' resource limit for the max allowed priority when creating a thread and remove the priority clamping code. 2017-01-11 16:38:05 -05:00
Subv
fbe090645c Thread: Added priority range checking to svcSetThreadPriority and removed priority clamping code from Thread::SetPriority. 2017-01-11 16:38:04 -05:00
bunnei
cb38ee3497 Merge pull request #2397 from Subv/pulse 
Kernel: Implemented Pulse event and timers.
 2017-01-10 10:45:00 -05:00
bunnei
961bb24cf9 Merge pull request #2410 from Subv/sleepthread 
Don't yield execution in SleepThread(0) if there are no available threads to run
 2017-01-06 22:01:33 -05:00
bunnei
ba71c889f0 Merge pull request #2396 from Subv/sema_acquire 
Kernel/Semaphore: Fixed a regression in semaphore waits.
 2017-01-06 22:00:12 -05:00
bunnei
cff8e614bd Merge pull request #2408 from Subv/priority_boosting 
Kernel: Removed the priority boost code for starved threads.
 2017-01-06 00:40:39 -05:00
Subv
6c6117868a Kernel: Don't attempt to yield execution in SleepThread(0) if there are no available threads to run. 
With this we avoid an useless temporary deschedule of the current thread.
 2017-01-05 19:11:34 -05:00
Subv
975f3e0853 Kernel: Remove some unused functions. 2017-01-05 13:17:06 -05:00
Subv
d27ef4a5d3 Kernel: Removed the priority boost code for starved threads. 
After hwtesting and reverse engineering the kernel, it was found that the CTROS scheduler performs no priority boosting for threads like this, although some other forms of scheduling priority-starved threads might take place.

For example, it was found that hardware interrupts might cause low-priority threads to run if the CPU is preempted in the middle of an SVC handler that deschedules the current (high priority) thread before scheduling it again.
 2017-01-05 13:12:39 -05:00
Subv
c6ccb7c6f2 Kernel: Implemented Pulse event and timers. 
Closes #1904
 2017-01-05 13:06:17 -05:00
Subv
f8d98e241d Kernel/Semaphore: Fixed a regression in semaphore waits. 
The regression was caused by a missing check in #2260.

The new behavior is consistent with the real kernel.
 2017-01-05 13:00:05 -05:00
Subv
a0ae8f7c26 Kernel: Add some asserts to enforce the invariants in the scheduler. 2017-01-05 09:40:18 -05:00
Subv
1ba3dd032e Kernel: Remove a thread from all of its waiting objects' waiting_threads list when it is awoken. 
This fixes a potential bug where threads would not get removed from said list if they awoke after waiting with WaitSynchronizationN with wait_all = false
 2017-01-05 09:40:15 -05:00
Subv
3ce2c24665 Kernel: Remove Thread::wait_objects_index and use wait_objects to hold all the objects that a thread is waiting on. 2017-01-05 09:40:14 -05:00
Subv
bcad1d6f12 Kernel: Use different thread statuses when a thread calls WaitSynchronization1 and WaitSynchronizationN with wait_all = true. 
This commit removes the overly general THREADSTATUS_WAIT_SYNCH and replaces it with two more granular statuses:

THREADSTATUS_WAIT_SYNCH_ANY when a thread waits on objects via WaitSynchronization1 or WaitSynchronizationN with wait_all = false.

THREADSTATUS_WAIT_SYNCH_ALL when a thread waits on objects via WaitSynchronizationN with wait_all = true.
 2017-01-04 15:58:50 -05:00
Subv
8503e56689 Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexes 2017-01-04 15:58:48 -05:00
Subv
d33885b60b Kernel/Mutex: Update a mutex priority when a thread stops waiting on it. 2017-01-04 15:58:47 -05:00
Subv
4e6369d41d Kernel/Mutex: Implemented priority inheritance. 
The implementation is based on reverse engineering of the 3DS's kernel.

A mutex holder's priority will be temporarily boosted to the best priority among any threads that want to acquire any of its held mutexes.
When the holder releases the mutex, it's priority will be boosted to the best priority among the threads that want to acquire any of its remaining held mutexes.
 2017-01-04 15:58:46 -05:00
Subv
90570c153b Kernel: Object ShouldWait and Acquire calls now take a thread as a parameter. 
This will be useful when implementing mutex priority inheritance.
 2017-01-04 15:58:45 -05:00
Subv
a1718862e3 Kernel/Synch: Do not attempt a reschedule on every syscall. 
Not all syscalls should cause reschedules, this commit attempts to remedy that, however, it still does not cover all cases.
 2017-01-04 15:58:44 -05:00
bunnei
d445aad022 ThreadContext: Move from "core" to "arm_interface". 2016-12-22 00:27:49 -05:00
bunnei
8cfd0762fd core: Replace "AppCore" nomenclature with just "CPU". 2016-12-22 00:27:46 -05:00
bunnei
5d22844f3e core: Remove HLE module, consolidate code & various cleanups. 2016-12-21 23:48:13 -05:00
bunnei
d504f6cf08 core: Consolidate core and system state, remove system module & cleanups. 2016-12-21 23:29:13 -05:00
wwylele
c62bc4e616 Thread: remove the thread from the thread list when exiting 2016-12-17 19:23:52 +02:00
wwylele
ea4217939a Kernel: remove object's waiting thread if it is dead 2016-12-16 12:33:18 +02:00
bunnei
034651fa7f Merge pull request #2260 from Subv/scheduling 
Threading: Reworked the way our scheduler works.
 2016-12-16 00:41:22 -05:00
Subv
3e80a1a1c1 Fixed the codestyle to match our clang-format rules. 2016-12-14 12:45:36 -05:00
Subv
00decc1180 Fixed the codestyle to match our clang-format rules. 2016-12-14 12:35:01 -05:00
Subv
7066deff78 Properly remove a thread from its wait_objects' waitlist when it is awoken by a timeout. 2016-12-10 13:29:31 -05:00
Subv
6df6ad46c4 Moved the HLE command buffer translation task to ServerSession instead of the HLE handler superclass. 2016-12-09 12:52:12 -05:00
Subv
d4815e828d WaitSynch: Removed unused variables and reduced SharedPtr copies. 
Define a variable with the value of the sync timeout error code.

Use a boost::flat_map instead of an unordered_map to hold the equivalence of objects and wait indices in a WaitSynchN call.
 2016-12-09 12:23:09 -05:00
Subv
17d8d69c6e Added a framework for partially handling Session disconnections. 
Further implementation will happen in a future commit.

Fixes a regression.
 2016-12-08 15:01:10 -05:00
Subv
021e732815 Use std::move where appropriate. 2016-12-08 11:06:19 -05:00
Subv
fdf1d042e0 Use boost remove_erase_if instead of the erase-remove idiom 2016-12-06 19:31:53 -05:00
Subv
bf232b89f3 Improved the algorithm for GetHighestPriorityReadyThread. 2016-12-06 19:15:32 -05:00
Subv
06b2b80d31 Return an error code when connecting to a saturated port. 
The error code was taken from the 3DS kernel.
 2016-12-05 13:59:57 -05:00
Subv
708ece3fff Split SessionRequestHandler::HandleSyncRequest into HandleSyncRequest, TranslateRequest and HandleSyncRequestImpl. 
HandleSyncRequest now takes care of calling the command buffer translate function before actually invoking the command handler for HLE services.
 2016-12-05 12:05:00 -05:00
Subv
728bb5f40b Kernel: Remove the Redirection handle type. 2016-12-05 11:13:22 -05:00
Subv
977039e722 KServerPorts now have an HLE handler "template", which is inherited by all ServerSessions created from it. 2016-12-05 11:02:08 -05:00
Subv
44c59feca6 Threading: Added some utility functions and const correctness. 2016-12-04 09:58:36 -05:00
Subv
5bc10a74f6 Threading: Reworked the way our scheduler works. 
Threads will now be awakened when the objects they're waiting on are signaled, instead of repeating the WaitSynchronization call every now and then.

The scheduler is now called once after every SVC call, and once after a thread is awakened from sleep by its timeout callback.

This new implementation is based off reverse-engineering of the real kernel.

See https://gist.github.com/Subv/02f29bd9f1e5deb7aceea1e8f019c8f4 for a more detailed description of how the real kernel handles rescheduling.
 2016-12-03 22:38:14 -05:00
Subv
4703561c9e Declare empty ServerSession and ClientSession constructors as default. 2016-12-02 22:58:02 -05:00