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729 commits

Author SHA1 Message Date
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
Subv
4c4f50dfaf Fixed the rebase mistakes. 2016-11-30 23:28:31 -05:00
Subv
4f2326c8a9 A bit of a redesign. 
Sessions and Ports are now detached from each other.
HLE services are handled by means of a SessionRequestHandler class, Interface now inherits from this class.
The File and Directory classes are no longer kernel objects, but SessionRequestHandlers instead, bound to a ServerSession when requested.
File::OpenLinkFile now creates a new session pair and binds the File instance to it.
 2016-11-30 23:12:35 -05:00
Subv
d2305d375f IPC/HLE: Associate the ClientSessions with their parent port's HLE interface if it exists. 
Pass the triggering ServerSession to the HLE command handler to differentiate which session caused the request.
 2016-11-30 23:04:00 -05:00
Subv
edcacd7cdd Kernel/HLE: Service::Interface no longer inherits from any Kernel object, and is now its own standalone class. 
Interface is now used by aggregation in ClientPort, to forward service commands to their HLE implementation if needed.
 2016-11-30 23:03:59 -05:00
Subv
96df92e98f fixup! Kernel/IPC: Use Ports and Sessions as the fundamental building block of Inter Process Communication. 2016-11-30 23:02:06 -05:00
Subv
302ef594a6 Kernel/IPC: Use Ports and Sessions as the fundamental building block of Inter Process Communication. 
All handles obtained via srv::GetServiceHandle or svcConnectToPort are references to ClientSessions.
Service modules will wait on the counterpart of those ClientSessions (Called ServerSessions) using svcReplyAndReceive or svcWaitSynchronization[1|N], and will be awoken when a SyncRequest is performed.

HLE Interfaces are now ClientPorts which override the HandleSyncRequest virtual member function to perform command handling immediately.
 2016-11-30 23:02:05 -05:00
Yuri Kunde Schlesner
e8dec36ad5 Merge pull request #2196 from Subv/system_mode 
Kernel/Loader: Grab the system mode from the NCCH ExHeader.
 2016-11-27 17:04:11 -08:00
Subv
d00d0d61e0 Kernel/Loader: Grab the system mode from the NCCH ExHeader. 
3dsx and elf files default to system mode 2 (96MB allocated to the application).

This allows Home Menu to boot without modifications.
Closes #1849
 2016-11-19 20:40:04 -05:00
Subv
bb93931096 Kernel/Events: Log an error when trying to create Pulse events and timers. 
Related to #1904
 2016-11-19 14:00:08 -05:00
Ricardo de Almeida Gonzaga
07fdcf150d Fix typos 2016-10-20 12:26:59 -02:00
wwylele
1dedb87851 move ResetType to kernel.h 2016-09-22 13:52:52 +08:00
wwylele
8b25c12ce8 implement wait tree widget 2016-09-22 13:52:52 +08:00
Yuri Kunde Schlesner
fa5d9d8266 Use negative priorities to avoid special-casing the self-include 2016-09-21 00:15:56 -07:00
Emmanuel Gil Peyrot
1138ec0d49 Remove empty newlines in #include blocks. 
This makes clang-format useful on those.

Also add a bunch of forgotten transitive includes, which otherwise
prevented compilation.
 2016-09-21 11:15:47 +09:00
Yuri Kunde Schlesner
1e4a5da9f4 Manually tweak source formatting and then re-run clang-format 2016-09-18 21:14:25 -07:00
Emmanuel Gil Peyrot
628ed4376a Sources: Run clang-format on everything. 2016-09-18 09:38:01 +09:00
bunnei
acdc361fc0 arm: ResetContext shouldn't be part of ARM_Interface. 2016-09-15 17:49:30 -04:00
Lectem
7df4925923 fix #1942 and adds a few IPC functions for descriptors 2016-08-02 16:45:15 +02:00
Yuri Kunde Schlesner
6bc2f3e2a8 Merge pull request #1869 from wwylele/dont-be-lazy 
Switch context to the same thread if necessary
 2016-06-28 21:03:52 -07:00
bunnei
2270d7b0f0 Merge pull request #1867 from mailwl/srv-update 
srv: Update according 3dbrew
 2016-06-28 18:53:10 -04:00