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433 Commits

Author SHA1 Message Date
Subv
e52ca85711 Kernel: Implemented Pulse event and timers. 
Closes #1904
 2017-01-05 13:06:17 -05:00
Subv
4251eb26ec 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
dda4ec93be Kernel: Add some asserts to enforce the invariants in the scheduler. 2017-01-05 09:40:18 -05:00
Subv
7f1dca8cd2 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
fd95b6ee26 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
cef5f45de2 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
d3ff5b91e1 Kernel/Mutex: Propagate thread priority changes to other threads inheriting the priority via mutexes 2017-01-04 15:58:48 -05:00
Subv
b6a0355568 Kernel/Mutex: Update a mutex priority when a thread stops waiting on it. 2017-01-04 15:58:47 -05:00
Subv
7abf185390 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
e6a7723f2f 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
38a90882a4 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
8b1e269e58 ThreadContext: Move from "core" to "arm_interface". 2016-12-22 00:27:49 -05:00
bunnei
e26fbfd1d7 core: Replace "AppCore" nomenclature with just "CPU". 2016-12-22 00:27:46 -05:00
bunnei
4fc8b8229e core: Remove HLE module, consolidate code & various cleanups. 2016-12-21 23:48:13 -05:00
bunnei
232ef55c1a core: Consolidate core and system state, remove system module & cleanups. 2016-12-21 23:29:13 -05:00
wwylele
5728e42634 Thread: remove the thread from the thread list when exiting 2016-12-17 19:23:52 +02:00
wwylele
4c9b80cee3 Kernel: remove object's waiting thread if it is dead 2016-12-16 12:33:18 +02:00
bunnei
cda7210fad Merge pull request #2260 from Subv/scheduling 
Threading: Reworked the way our scheduler works.
 2016-12-16 00:41:22 -05:00
Subv
016307ae65 Fixed the codestyle to match our clang-format rules. 2016-12-14 12:45:36 -05:00
Subv
5b1edc6ae7 Fixed the codestyle to match our clang-format rules. 2016-12-14 12:35:01 -05:00
Subv
406907d570 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
ebbb55ec8f Moved the HLE command buffer translation task to ServerSession instead of the HLE handler superclass. 2016-12-09 12:52:12 -05:00
Subv
17b29d8865 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
386112da32 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
f9bcf89510 Use std::move where appropriate. 2016-12-08 11:06:19 -05:00
Subv
7cde5b83bc Use boost remove_erase_if instead of the erase-remove idiom 2016-12-06 19:31:53 -05:00
Subv
1f286b72a1 Improved the algorithm for GetHighestPriorityReadyThread. 2016-12-06 19:15:32 -05:00
Subv
c93c5a72bb 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
00f0c77570 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
29d809b6e1 Kernel: Remove the Redirection handle type. 2016-12-05 11:13:22 -05:00
Subv
dd8887c8cf 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
bdad00c73f Threading: Added some utility functions and const correctness. 2016-12-04 09:58:36 -05:00
Subv
8634b8cb83 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
2ce61344d6 Declare empty ServerSession and ClientSession constructors as default. 2016-12-02 22:58:02 -05:00
Subv
2eceee3a4c Fixed the rebase mistakes. 2016-11-30 23:28:31 -05:00
Subv
009b15b3aa 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
c5e7e0fa26 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
c19afd2118 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
0a33d915f8 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
073653e858 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
3174bfd50c 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
1323ab2f5f 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
4ab8692475 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
13d46f6820 Fix typos 2016-10-20 12:26:59 -02:00
wwylele
85a83158fb move ResetType to kernel.h 2016-09-22 13:52:52 +08:00
wwylele
f69a543110 implement wait tree widget 2016-09-22 13:52:52 +08:00
Yuri Kunde Schlesner
84fbbe2629 Use negative priorities to avoid special-casing the self-include 2016-09-21 00:15:56 -07:00
Emmanuel Gil Peyrot
ebdae19fd2 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
396a8d91a4 Manually tweak source formatting and then re-run clang-format 2016-09-18 21:14:25 -07:00
Emmanuel Gil Peyrot
dc8479928c Sources: Run clang-format on everything. 2016-09-18 09:38:01 +09:00
bunnei
05e120a4cc arm: ResetContext shouldn't be part of ARM_Interface. 2016-09-15 17:49:30 -04:00
Lectem
a94fb932ff fix #1942 and adds a few IPC functions for descriptors 2016-08-02 16:45:15 +02:00
Yuri Kunde Schlesner
de79b6fc48 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
87c07643ff Merge pull request #1867 from mailwl/srv-update 
srv: Update according 3dbrew
 2016-06-28 18:53:10 -04:00
bunnei
8f86cc4df9 Merge pull request #1877 from wwylele/wait-fix-timeout 
Thread: update timeout when reruning WaitSynch
 2016-06-18 01:08:22 -04:00
Subv
7b445ddff0 Kernel/SVC: Implemented svcCreatePort. 2016-06-11 08:37:37 -05:00
Subv
3d9fbffbab Kernel: Added ClientPort and ServerPort classes. 
This is part of an ongoing effort to implement support for multiple processes.
 2016-06-05 09:35:31 -05:00
wwylele
7d56e88369 Thread: update timeout when rerunning WaitSynch 2016-06-04 09:27:16 +03:00
mailwl
e85b22320a Fix parameter name in EnableNotification 2016-05-31 10:06:00 +03:00
wwylele
81d3462a19 Switch context on the same thread if necessary 2016-05-30 07:34:53 +03:00
bunnei
ab4b27f0f5 Merge pull request #1692 from Subv/rm_getpointer2 
Memory: Remove most usages of GetPointer
 2016-05-29 21:57:07 -04:00
MerryMage
80abe6eb08 Memory: Added necessary headers and removed unnecessary header 2016-05-26 18:55:37 +01:00
MerryMage
1ebaaf9bb1 Kernel/Thread: Remove use of Memory::GetPointer 2016-05-21 11:14:11 -05:00
bunnei
a39144050b Merge pull request #1800 from JayFoxRox/set-fpscr 
Set fpscr for new threads
 2016-05-17 21:24:57 -04:00
Jannik Vogel
af37dd0d52 Set fpscr for new threads 2016-05-17 08:59:52 +02:00
Subv
64da2bf0cd Memory: Fixed a regression caused by #1695 and #1689. 
Reserve enough space in the vector that holds the linear heap memory to prevent relocations of the backing memory when growing too much.

Closes #1790
 2016-05-14 11:24:19 -05:00
bunnei
18b517e236 Merge pull request #1689 from Subv/shmem 
Kernel: Implemented shared memory.
 2016-05-13 15:33:44 -04:00
bunnei
0d8bd3ba36 Merge pull request #1695 from Subv/tls_alloc 
Kernel/Threads: Dynamically allocate the TLS region for threads.
 2016-05-12 21:51:35 -04:00
Subv
ac2de12ed8 HLE/Applets: Give each applet its own block of heap memory, and use that when creating the framebuffer shared memory block. 2016-05-12 20:01:59 -05:00
Subv
d261984f54 Kernel: Account for automatically-allocated shared memories in the amount of used linear heap memory. 2016-05-12 20:01:59 -05:00
Subv
5679d066b5 Kernel/SharedMemory: Log an error when Map fails. 2016-05-12 20:01:27 -05:00
Subv
0fb6d2a247 Kernel: Implemented shared memory permissions. 2016-05-12 20:01:26 -05:00
Subv
f72bd57212 Kernel/Memory: Remove the Shared Memory region from the legacy memory map. 2016-05-12 20:00:33 -05:00
Subv
1bd0cf542f Kernel/SharedMemory: Properly implemented shared memory support. 
Applications can request the kernel to allocate a piece of the linear heap for them when creating a shared memory object.
Shared memory areas are now properly mapped into the target processes when calling svcMapMemoryBlock.

Removed the APT Shared Font hack as it is no longer needed.
 2016-05-12 20:00:32 -05:00
Subv
42a50da76b Kernel/SVC: Fixed the register order for svcCreateMemoryBlock. 
R0 is used as the last parameter instead of R4.
 2016-05-12 20:00:29 -05:00
bunnei
282a2ad539 Merge pull request #1766 from Subv/log_cpu 
Kernel/Threading: Warn when a thread can be scheduled in the Syscore (Core 1)
 2016-05-08 15:03:08 -04:00
Subv
5b7f86708c Kernel/Threading: Warn when a thread can be scheduled in the Syscore (Core 1). 
We do not currently implement any cores other than the AppCore (Core 0).
 2016-05-07 10:23:03 -05:00
Subv
d192fb066d Kernel/Threads: Dynamically allocate the TLS region for threads in the BASE region of the linear heap. 
Each thread gets a 0x200-byte area from the 0x1000-sized page, when all 8 thread slots in a single page are used up, the kernel allocates a new page to hold another 8 entries.

This is consistent with what the real kernel does.
 2016-05-07 10:18:47 -05:00
bunnei
75cbfeee58 Merge pull request #1762 from bunnei/global 
hle: Get rid of direct global access to g_reschedule
 2016-05-05 21:45:57 -04:00
Mathew Maidment
aa6380e5bc Merge pull request #1643 from MerryMage/make_unique 
Common: Remove Common::make_unique, use std::make_unique
 2016-04-05 20:10:11 -04:00
MerryMage
a06dcfeb61 Common: Remove Common::make_unique, use std::make_unique 2016-04-05 13:31:17 +01:00
Lioncash
04f8d39a96 session: Make helper functions constexpr 2016-03-21 04:07:03 -04:00
Lioncash
6b7ebb3f82 hle: Get rid of global access to g_reschedule 
This shouldn't be directly exposed if there's already a partial API that operates on it.
We can just provide the rest of that API.
 2016-03-21 02:57:12 -04:00
Lioncash
856a1d0386 svc: Move ResetType enum to the kernel event header 2016-03-12 21:47:41 -05:00
Lioncash
12e92f17de svc: Make ResetType an enum class 2016-03-12 15:06:31 -05:00
Yuri Kunde Schlesner
6aa90e13f9 Memory: Do correct Phys->Virt address translation for non-APP linheap 2016-03-05 22:09:59 -08:00
MerryMage
8b00954ec7 AudioCore: Skeleton Implementation 
This commit:
* Adds a new subproject, audio_core.
* Defines structures that exist in DSP shared memory.
* Hooks up various other parts of the emulator into audio core.

This sets the foundation for a later HLE DSP implementation.
 2016-02-21 13:13:52 +00:00
MerryMage
6c71858c5c BitField: Make trivially copyable and remove assignment operator 2016-02-12 19:51:16 +00:00
MerryMage
2b93313348 Memory: Implement MMIO 2016-01-30 18:41:04 +00:00
Subv
d90d5a0ee6 HLE/SVC: Implement UnmapMemoryBlock. 
This implementation will need to be (almost completely) changed when we implement multiprocess support.
 2016-01-14 11:29:19 -05:00
Subv
6cccc36505 HLE/Timers: Reset OneShot timers when they are acquired instead of when they're triggered. 
Closes #1139
 2015-12-29 20:35:25 -05:00
Subv
29032ce9b6 SVC: Fixed ArbitrateAddress to behave as it does on hardware. 
This was verified with hwtests that i plan to upload later on.
 2015-12-27 18:44:42 -05:00
Yuri Kunde Schlesner
84a22cb594 Kernel: Implement svcGetSystemInfo 
This makes smealum/ctrulib@b96dd51d33 work
with Citra.
 2015-11-30 19:49:44 -08:00
Rohit Nirmal
32391cffdd Silence -Wsign-compare warnings. 2015-10-06 22:16:15 -05:00
Lioncash
751fbfdcc3 general: Silence some warnings when using clang 2015-09-16 08:51:53 -04:00
Lioncash
d3efa637b4 General: Fix up doxygen comments 2015-09-10 11:20:21 -04:00
Yuri Kunde Schlesner
0ee3e2c25e Kernel: Fix wrong linear heap base on titles using newer kernels 
Typo which sneaked in through review on #1025
 2015-08-27 23:52:40 -03:00
Yuri Kunde Schlesner
12390eb155 Kernel: Fix assertion failure when ControlMemory is called with size=0 2015-08-26 21:29:05 -03:00
Yuri Kunde Schlesner
687d973980 Core: Improve APT Shared Font hack 
Should fix invalid read loops in some games
 2015-08-26 21:28:58 -03:00
Yuri Kunde Schlesner
840b85690b Kernel: Remove unused legacy heap MapBlock_* functions 2015-08-16 01:03:49 -03:00