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1179 commits

Author SHA1 Message Date
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
Sebastian Valle
35aea29a77 Merge pull request #2393 from Subv/synch 
Kernel: Mutex priority inheritance and synchronization improvements.
 2017-01-05 12:55:01 -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
Jonathan Hao
1df720ed08 Fix some warnings (#2399) 2017-01-04 13:48:29 -03:00
mailwl
45b03ee367 Service/NFC: stub GetTagInRangeEvent 
Fix Fatal Error in Mini-Mario & Friends - amiibo Challenge
 2016-12-30 09:40:54 +03:00
bunnei
7b3737d9bd Merge pull request #2240 from wwylele/auto-region 
Config: auto-select region and language
 2016-12-29 22:09:01 -05:00
wwylele
bf96d8c561 Core: remove unused hle.cpp 2016-12-27 10:27:48 +02:00
MerryMage
4aaaea9758 core: Move emu_window and key_map into core 
* Removes circular dependences (common should not depend on core)
 2016-12-23 13:42:39 +00:00
mailwl
3a05b161bc Service/NWM: add nwm services 2016-12-22 22:51:27 +03:00
bunnei
37e91013ec Merge pull request #2343 from bunnei/core-cleanup 
Core: Top-level consolidate & misc cleanup
 2016-12-22 11:47:44 -05:00
bunnei
09b7c9788d Merge pull request #2285 from mailwl/csnd-format 
csnd:SND: Reformat source code
 2016-12-22 00:47:50 -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
1fd7cfb69e Address clang-format issues. 2016-12-21 23:48:14 -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
Yuri Kunde Schlesner
89a8f963ce Merge pull request #2328 from wwylele/fix-trace 
Fix debug build from #2249
 2016-12-15 21:06:12 -08:00
Yuri Kunde Schlesner
ceed2efb4e Merge pull request #2320 from mailwl/cecd-update 
Service/CECD: Add cecd:ndm service
 2016-12-15 21:01:51 -08:00
bunnei
7aa9f479d2 Merge pull request #2331 from lioncash/trunc 
hid: Get rid of a double -> float truncation warning
 2016-12-15 17:45:24 -05:00
wwylele
267f26d7df FS: fix debug build from #2249 2016-12-16 00:22:36 +02:00
Sebastian Valle
9df75ff6d6 Merge pull request #2330 from lioncash/pragma 
core: Add missing #pragma once directives where applicable
 2016-12-15 16:06:43 -05:00
Lioncash
7c1a069ab6 hid: Get rid of a double -> float truncation warning 
float literals need to have the 'f' prefix.
 2016-12-15 15:52:15 -05:00
Lioncash
cb4293adf1 core: Add missing #pragma once directives where applicable 2016-12-15 15:40:51 -05:00
Lioncash
8e6bf2478f act: Fix docstring typo 
These aren't the AM services.
 2016-12-15 14:51:45 -05:00
bunnei
338e24ae80 Merge pull request #2314 from mailwl/account 
Service/ACT: move ACT services to folder
 2016-12-15 13:51:29 -05:00
mailwl
c7a28acce4 Service/CECD: Add cecd:ndm service 2016-12-15 09:52:40 +03:00
Yuri Kunde Schlesner
c99b5e3122 Merge pull request #2249 from Subv/sessions_v3 
Kernel/IPC: Use Ports and Sessions as the fundamental building block of Inter Process Communication.
 2016-12-14 20:35:33 -08:00
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
mailwl
11e9681df2 Service/ACT: move ACT services to folder 2016-12-14 09:05:46 +03:00
JamePeng
7af1081bb0 Minor amendment of GSP_GPU::ImportDisplayCaptureInfo code 2016-12-13 17:01:53 +08:00
mailwl
a88468d683 csnd:SND reformat source code 2016-12-12 21:19:36 +03:00
mailwl
e3828ed7fa APT::GetStartupArgument: force clear startup argument 2016-12-11 22:36:12 +03:00
Lioncash
b0ebdfae34 Add all services to the Service namespace 
Previously there was a split where some of the services were in the
Service namespace and others were not.
 2016-12-11 00:07:27 +00:00
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
bunnei
1a981fe1ea Merge pull request #2291 from lioncash/svc 
service: Add the cfg:nor service
 2016-12-09 14:15:20 -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
79f53e6daa Kernel/IPC: Small codestyle cleanup 2016-12-09 12:39:12 -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