Adds initial support for rebootless system update related functionality:
- Add system archive title IDs for ApplicationBlackList, RebootlessSystemUpdateVersion,
and ContentActionTable
- Add NS service result codes for system update operations
- Implement stubs for ISystemUpdateControl::SetupToReceiveSystemUpdate and
RequestCheckLatestUpdateIncludesRebootlessUpdate
- Add RebootlessSystemUpdateVersion settings type and implement
GetRebootlessSystemUpdateVersion in SET service
- Fix GetSettingsItemValueImpl template implementation
This provides basic infrastructure for handling system updates, particularly
the rebootless update feature, though actual update functionality remains
stubbed.
- Replace stubbed InitialProcessIdRange implementation with proper bounds (1-0x50)
- Add handle and info_sub_id validation for InitialProcessIdRange
- Replace process exit ASSERT with graceful error handling and logging
- Add try-catch block around system.Exit() for safer shutdown
- Add atomic header inclusion for binder.h
This improves system call reliability by properly implementing process ID
range checks and adding safer process exit handling with proper error logging.
Implements support for ENOMEM (errno 12) across the network stack:
- Added NOMEM to Network::Errno enum
- Added NOMEM = 12 to sockets Errno enum
- Added translation case in sockets_translate.cpp
This is the first step towards addressing the 0.0 FPS bug that occurs
when the system runs out of memory during socket operations. Previously,
these operations would trigger an unimplemented assertion, causing the
emulator to halt. Now the error will be properly propagated to the guest
application.
Implements several IPC commands in IApplicationFunctions related to GPU error
handling and system events:
- EnableApplicationAllThreadDumpOnCrash (cmd 124)
- SetDelayTimeToAbortOnGpuError (cmd 131)
- TryPopFromNotificationStorageChannel (cmd 151)
- SetHdcpAuthenticationActivated (cmd 170)
- GetLaunchRequiredVersion (cmd 180)
- UpgradeLaunchRequiredVersion (cmd 181)
Also adds the LaunchRequiredVersion struct definition to the header file.
These are currently stubbed implementations that log warnings when called.
REFS: switchbrew.org/wiki/Applet_Manager_services#GetGpuErrorDetectedSystemEvent
Implements proper reference counting for binder objects based on the official
documentation. This adds both weak and strong reference counting support to
the IBinder interface and its implementations (BufferQueueProducer and
BufferQueueConsumer).
The implementation follows the documented behavior where:
- type 0 affects weak references
- type 1 affects strong references
- During initialization: {addval=1, type=0} followed by {addval=1, type=1}
- For onFirstRef: {addval=1, type=1}
- For onLastStrongRef: {addval=-1, type=1}
Reference counters are implemented using std::atomic to ensure thread safety.
REFS: switchbrew.org/wiki/Nvnflinger_services#AdjustRefcount
Implements missing functions and improves permission handling in the VI
(Visual Interface) IApplicationDisplayService based on official documentation.
Key changes:
- Add session type enum to properly handle vi:u/vi:s/vi:m permissions
- Implement GetIndirectLayerImageCropMap for handling cropped layer images
- Implement GetDisplayVsyncEventForDebug for debug vsync event handling
- Add proper permission checks for GetSystemDisplayService and GetManagerDisplayService
- Improve AppletResourceUserId validation in OpenLayer
- Clean up logging and error handling
The changes follow the official documentation for permission handling:
- vi:u sessions can only use GetRelayService
- vi:s sessions can use everything except GetManagerDisplayService
- vi:m sessions can use all commands
REFS: switchbrew.org/wiki/Display_services#IApplicationDisplayService
Updates the SM service implementation to better match the official
"nn::sm::detail::IUserInterface" interface. Key changes include:
- Replace Initialize with RegisterClient command (cmd 0)
- Add DetachClient command implementation (cmd 4)
- Update service name handling to use u64-encoded names
- Add proper PID descriptor handling for RegisterClient/DetachClient
- Add ResultNotAllowed error code
- Update handler registration for both CMIF and TIPC
This brings the implementation closer to the official documentation while
maintaining compatibility with existing code.
Refs: switchbrew.org/wiki/Services_API#sm:
Refactors the MM (Memory Management) service implementation with improved:
- Session management using a vector of Session objects instead of global vars
- Type safety with proper enums and member encapsulation
- Error handling with consistent patterns
- Modern C++ features (std::erase_if, std::find_if, emplace_back)
- Logging with detailed debug messages
- Code organization and const correctness
Key changes:
- Add Session class with proper encapsulation
- Add EventClearMode enum (Manual = 0, Auto = 1)
- Update Module enum naming for consistency
- Implement proper session tracking and lookup
- Add detailed parameter logging
- Use modern C++ algorithms for session management
The implementation now properly handles multiple sessions and matches
the documented nn::mmnv::IRequest interface more closely.
Refs: switchbrew.org/wiki/Display_services#mm:u
Add proper type definitions and parameter handling for the Memory Management
(mm:u) service based on the Switch documentation:
- Add Module enum for hardware components (CPU, GPU, EMC, etc)
- Add Priority and Setting type definitions as u32
- Add EventClearMode enum for initialization
- Implement proper parameter handling for all IPC calls
- Add detailed logging with parameter values
The Module enum now properly reflects the documented hardware components:
CPU, GPU, EMC, System Bus, Memory Select, and NVIDIA modules (NVDEC,
NVENC, NVJPG).
This makes the implementation match the documented nn::mmnv::IRequest
interface.
Refs: switchbrew.org/wiki/Display_services#mm:u
Relaxes validation checks in the NVDRV GPU service and improves error notifier
handling to prevent potential hangs. Key changes:
- Remove strict size validation in SetErrorNotifier
- Relax GPFIFO entry count validation to only check for non-zero values
- Add proper error notifier state tracking in GPU class
- Improve debug logging messages
The previous strict validation was causing issues with some games like ACNH.
These changes maintain necessary checks while being more permissive with
edge cases that don't impact functionality.
Technical changes:
- Store error notifier state in GPU class for future implementation
- Remove upper bound check on GPFIFO entries
- Simplify error notifier setup flow
This should resolve hanging issues while maintaining core functionality.
Implements several previously stubbed functions in the NVDRV service:
- Initialize proper transfer memory handling
- Add error notifier configuration
- Implement channel timeout and timeslice management
- Add object context allocation and tracking
- Add GPU interface stubs for new functionality
The changes improve the accuracy of GPU-related operations while maintaining
compatibility with the existing codebase. All functions now properly validate
parameters and handle endianness correctly using _le types.
- The GetManagerDisplayService function in IApplicationDisplayService is fully implemented, so remove the stubbed warning and change the log level to DEBUG to match its implementation status.
- Updated the QueryPointerBufferSize function to return the correct u16 pointer buffer size.
- Ensured the function logs its call at the debug level.
- Used IPC::ResponseBuilder to construct the response with the correct buffer size.
This change addresses the stubbed implementation and ensures compliance with the HIPC protocol.
- Added the SetGestureOutputRanges function to the IHidServer class to address the unimplemented function '92' error.
- This fix was discovered through log analysis, which showed a critical assertion failure in the HID service for an unknown function '92'.
- The log indicated a userspace panic and backtrace, pointing to the need for implementing this function to prevent execution breaks.
- Updated CMakeLists.txt to remove specific version requirements for several packages, enhancing flexibility.
- Updated subproject commit references for VulkanMemoryAllocator and vcpkg.
- REF: https://switchbrew.org/wiki/HID_services#ActivateGesture
- In commit b3facaa6bb, the copyright header was
updated to include "Citron Homebrew Project" across multiple files, regardless
of whether any contributions were made.
- This commit removes the incorrect attribution and reverts the copyright header
to its previous state.
- Copyright attribution should only be added when meaningful contributions have
been made to the file.
- This commit ensures proper compliance with copyright standards and maintains
correct attribution to the respective contributors.
- Special thanks to Tachi for pointing out the need for these corrections and
ensuring that proper attribution practices are followed.
Add conditional compilation directives to handle packed struct definitions
differently between MSVC and other compilers. MSVC uses #pragma pack
while GCC/Clang use __attribute__((packed)). This change affects:
- ZBCColorEntry
- ZBCDepthEntry
- IoctlZbcSetTable
The functionality remains the same, but ensures proper struct packing
across different compiler environments.
This commit makes several improvements to device memory management and buffer
queue handling:
DeviceMemoryManager:
- Add null pointer and size checks for ReadBlock
- Fill unmapped memory with a known pattern (0xCC) instead of zeros
- Add better error logging for invalid memory accesses
- Add null pointer check for source pointer in memcpy
BufferQueueProducer:
- Improve error handling in WaitForFreeSlotThenRelock
- Add proper abandoned state checking during wait conditions
- Clean up and simplify buffer scanning logic
- Improve logging messages with more descriptive information
- Remove redundant buffer count validation
- Fix potential infinite loop condition during wait
These changes improve stability and error handling while making the code more
maintainable and debuggable. The use of a known pattern for unmapped memory
helps identify uninitialized memory access issues.
Implements TryPopFromFriendInvitationStorageChannel to properly handle
friend invitation data storage and retrieval. This includes:
- Add ResultNoData error code to am_results.h
- Add friend_invitation_storage_channel storage queue to Applet struct
- Implement proper data handling in TryPopFromFriendInvitationStorageChannel
The implementation now properly manages a queue of friend invitation data
and returns appropriate results based on data availability.
Resolves a build failure caused by a mismatch between the defined and expected size of the `IoctlZbcSetTable` structure in `nvhost_ctrl_gpu`. The `static_assert` incorrectly expected the size to be 44 bytes, while the actual size was 48 bytes.
Changes include:
- Updated `static_assert` to correctly reflect the 48-byte size of `IoctlZbcSetTable`.
- Verified packing and alignment to ensure compliance with hardware specifications.
- Reviewed and confirmed correctness of `u32` type definitions.
This fix addresses a regression introduced in commit 9be4bf9aa5, which implemented ZBCSetTable functionality, and ensures successful compilation and adherence to the ZBC table implementation's design.
Implements basic Zero Bandwidth Clear (ZBC) table support in nvhost_ctrl_gpu.
This adds storage and validation for both color and depth clear values,
replacing the previous stub implementation. ZBC is a hardware optimization
technique used by NVIDIA GPUs to efficiently handle buffer clearing operations.
Changes include:
- Added ZBC table storage structures
- Implemented parameter validation
- Added separate handling for color and depth modes
- Improved debug logging
- Added documentation explaining ZBC functionality
