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Update magic numbers and default identifiers across codebase:
- UUID default value
- Thread magic number
- Amiibo name
- Vulkan cache magic number
- Shader cache magic number
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- Add IoctlNumVsms struct definition
- Implement ioctl 0x13 to return number of SM units (2 for Tegra X1)
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- Remove unused function stubs
- Improve GetCompletionEvent implementation
- Clean up response builder naming
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- Remove Unknown5000 function and related debug commands
- Fix incorrect service name in log message
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- Remove unused function stubs
- Add version information comments
- Add clang-format markers
- Remove duplicate TrySelectUserWithoutInteraction function
- Fix formatting and code style
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- Add implementations for previously stubbed functions:
* Cancel - Handle operation cancellation
* RequestSyncFriendList - Friend list synchronization
* GetUserPresenceView - User presence information
* LoadUserSetting - User settings loading
- Improve GetCompletionEvent implementation:
* Add proper event signaling
* Use clearer variable names
* Improve debug logging
- Enhance logging messages:
* Add more descriptive debug messages
* Include user ID in presence view logging
* Use consistent naming in response builders
- Fix response builder formatting for consistency
These changes improve the friend service implementation by adding
support for more friend-related functionality while enhancing
the debugging experience through better logging and code
organization.
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- Add Unknown5000 implementation to create duplicate controller interface
- Add new debug-related command handlers:
* OverrideDefaultTargetForDebug (50001)
* SetForceOverrideExternalDeviceNameForDebug (50003)
* ClearForceOverrideExternalDeviceNameForDebug (50004)
- Add proper debug logging for interface creation
- Update header with new function declaration
- Fix missing commas in function registration array
These changes improve the audio controller implementation by
adding support for interface duplication and debug override
functionality. The implementation maintains proper interface
lifetime management using SharedFrom.
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- Add CreateServerInterface2 implementation for NIM_ECA service
- Change log level from WARNING to DEBUG for CreateServerInterface
- Add descriptive log message for server interface creation
- Maintain consistent interface creation pattern between both versions
- Fix missing comma in function registration array
These changes improve the NIM service implementation by adding
support for the newer server interface creation method while
making logging more appropriate for stubbed functions.
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- Add missing <vector> include for std::vector usage
- Add Citron copyright notice
- Maintain existing include ordering
This is a minor cleanup change to ensure proper header inclusion
and copyright attribution.
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- Add Nintendo Account related implementations:
* GetNintendoAccountId
* GetNintendoAccountUserResourceCache
* IsLinkedWithNintendoAccount
* StoreSaveDataThumbnailApplication
- Improve version handling:
* Add proper firmware version comments
* Implement deprecated and new TrySelectUserWithoutInteraction
* Update service interface versioning
- Clean up code organization:
* Remove redundant clang-format markers
* Fix constructor formatting
* Improve error handling in InitializeApplicationInfoBase
* Add proper debug logging
* Update copyright headers
- Add proper documentation for buffer types and sizes
These changes improve Nintendo Account integration support while
cleaning up the codebase and improving version compatibility
handling. The implementation provides stubs for network-related
functionality to allow applications to proceed while proper
integration is developed.
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- Add implementations for previously stubbed functions:
* EnumerateNetworkInterfaces
* EnumerateNetworkProfiles
* ConfirmSystemAvailability
* SetBackgroundRequestEnabled
- Add proper debug logging for new implementations
- Update header with new function declarations
- Add Citron copyright notice
- Improve response builder naming for clarity
These implementations return success status with empty results
to allow applications to proceed while proper network interface
management is developed. Debug logging has been added to track
usage of these functions.
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- Reorder error codes to match numerical order
- Rename RegisterClient to Initialize in service registration
to match actual function name
- Update function declaration order in header to match implementation
- Improve QueryPointerBufferSize implementation:
* Add proper documentation comment
* Use constexpr for maximum transfer memory size
* Use std::numeric_limits where appropriate
* Improve debug logging message
* Use meaningful constant name
These changes improve code organization and clarity while making
the service manager interface more consistent with Nintendo's
official naming conventions.
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- Update default console serial number prefix from "YUZ" to "CIT"
- Improve GetSettingsItemValueImpl template implementation:
* Add proper buffer management using std::vector
* Fix potential buffer overflow issues
* Use clearer variable naming
* Add proper size handling with actual_size
* Use memcpy for safer data copying
These changes improve the safety of settings handling while
updating the emulator's identity to use the Citron prefix
instead of yuzu's.
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- Move SetGestureOutputRanges function registration to be with other
gesture-related functions (next to ActivateGesture)
- Move SetGestureOutputRanges implementation to be with other
gesture-related implementations
- Change log level from WARNING to DEBUG for SetGestureOutputRanges
- Move function declaration to private section with other IPC handlers
- Update function ordering to match service registration order
These changes improve code organization by grouping related
functionality together and maintain consistency between the
interface registration and implementation ordering.
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Fix spelling of "GetStateChangeEvent" function name in both INpnsSystem
and INpnsUser interfaces. The function was incorrectly spelled as
"GetStateChangeEVent" with a capital 'V'.
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Buffer Queue Changes:
- Add assertion for buffer state in free slots
- Improve error handling for buffer dequeuing
- Add buffer count validation checks
- Update log levels for better diagnostics
NVDRV Changes:
- Add host1x reference to nvhost_nvdec_common
- Improve ioctl error reporting with more detailed messages
- Reorder function declarations in nvhost_ctrl_gpu
- Add stub for unimplemented ioctl command 0x13
- Clean up initialization of boolean flags
These changes improve error handling and debugging capabilities
while adding additional safety checks for buffer management.
The nvdrv interface is also made more robust with better error
reporting and proper hardware access patterns.
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Reorder the Errno enum values to be in ascending numerical order,
moving NOMEM (12) to be between AGAIN (11) and INVAL (22). This
improves readability and makes it easier to verify completeness
of the error code list.
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Update the Atmosphere release version minor number from 0 to 8 to match
newer firmware versions. Also add copyright notice for citron Emulator
Project.
This change maintains compatibility with newer system versions while
preserving the existing version number format.
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Improve the validation logic in UnmapProcessCodeMemory by:
- Add missing size validation check at the start
- Reorganize validation checks into logical groups
- Simplify error handling using R_UNLESS macros
- Remove redundant page table range check
- Add copyright notice for Citron Emulator Project
- Add ResultInvalidSize constant definition
The changes make the validation code more concise and easier to follow
while maintaining the same validation requirements. Error handling is now
more consistent with other SVC implementations.
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Add more detailed debug logging and validation to the InvalidateNCE function:
- Add entry debug log showing NCE invalidation request details
- Add upfront validation of memory region before proceeding
- Add debug logs for rasterizer and separate heap handling cases
- Add warning logs for invalid address ranges and failed invalidations
- Improve error message formatting and clarity
- Group related operations with descriptive comments
These changes make it easier to debug NCE invalidation issues by providing
more visibility into the validation steps and failure cases.
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Implements several improvements to memory handling and validation:
- host_memory: Add IsValidMapping() and IsDirectMappingEnabled() methods to
validate memory access
- host_memory: Fix virtual base offset calculation to use proper pointer
arithmetic
- host_memory: Add size field to track allocation size
- nvhost_ctrl_gpu: Return InvalidState instead of InvalidValue for TPC mask
buffer size validation
- Update copyright year for citron
The changes improve memory safety by adding explicit validation checks and
fixing pointer arithmetic in the virtual memory implementation.
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This commit makes two main changes:
1. Adds support for GetTpcMasks2 (ioctl 0x13) in nvhost_ctrl_gpu:
- Implements new GetTpcMasks2 method to handle TPC mask queries
- Adds IoctlGetTpcMasks structure to store mask parameters
- Returns conservative single TPC configuration for compatibility
2. Enhances memory mapping validation in HostMemory:
- Adds verification check after memory mapping operations
- Improves error handling for direct mapped address enabling
- Adds logging for mapping and direct address failures
Additional changes:
- Updates copyright headers to include citron Emulator Project
- Improves error handling and validation in several paths
- Adds debug logging for TPC mask operations
This improves GPU virtualization support and memory mapping reliability.
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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.
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- 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.
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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.
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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
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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
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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
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This reverts commit b55be320b75d01bdc1320bc78179542b2ce10fb2.
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Reorganizes the ErrorModule enum in result.h by grouping error codes into
numerical ranges with descriptive comments. This improves readability and
makes it easier to:
- Find specific modules by their number
- See which numbers are used/unused in each range
- Understand the overall distribution of module numbers
Also standardizes naming conventions across modules and fixes some
inconsistent casing (e.g. FS -> Fs, HDCP -> Hdcp).
REFS: switchbrew.org/w/index.php?title=Error_codes
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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:
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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
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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
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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.
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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.
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- Prevents propagation of panic conditions when setting termination results
- Previously, panic error codes could trigger cascading crashes
- Only stores non-error termination results while allowing successful completion
- Fixes crash when applications set panic-related termination codes (0x1A80A)
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- 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.
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Two main changes in this commit:
1. Replace NVIDIA-specific GL_NV_gpu_shader5 extension with the more widely
supported GL_EXT_shader_explicit_arithmetic_types_float16 in the scaleforce
shader. This improves compatibility across different GPU vendors.
2. Refactor ARM32 exception handling:
- Restructure exception cases for better readability
- Update exception handling to match current Dynarmic API
- Fix indentation in switch statement
- Remove AccessViolation case as it's no longer supported in current API
These changes improve shader compatibility and align the exception handling
with the current Dynarmic implementation.
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- Update vcpkg baseline to a42af01b72c28a8e1d7b48107b33e4f286a55ef6
- Add SPIRV-Tools and SPIRV-Headers as submodules
- Update Vulkan-related submodules to latest stable versions
- Improve memory access error handling:
- Add specific handling for null pointer accesses in ARM32 emulation
- Return 0 for null pointer reads instead of undefined behavior
- Silently ignore writes to null pointers
- Add more detailed error messages distinguishing between null pointer
access and other unmapped memory errors
- Treat addresses below 0x1000 as potential null pointer accesses
These changes should provide more graceful handling of null pointer
accesses and improve stability when running games that attempt invalid
memory operations.
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- 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.
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- 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
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- In commit b3facaa6bb30cdc39f2b7d632fef1e3bfeee7785, 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.
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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.
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Adds support for InfoType::SystemResourceSize (0x1C) which is required for
proper initialization of the Virtual Address Memory Manager (VAMM). This
implementation:
1. Adds SystemResourceSize to the InfoType enum in svc_types.h
2. Implements the GetInfo handler for SystemResourceSize in svc_info.cpp
3. Returns 512MB (0x20000000 bytes) as the system resource size
4. Adds debug logging for the SVC call
The 512MB value is chosen based on typical system resource allocations
needed for VAMM initialization on the Nintendo Switch.
This fixes crashes in games that rely on VAMM functionality, particularly
during nn::os::detail::VammManager::InitializeIfEnabled().
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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.
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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.
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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.
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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
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- Add Memory_10Gb and Memory_12Gb to MemoryLayout enum
- Update memory layout settings to support up to 12GB
- Add SMC enums for 10GB and 12GB memory sizes and arrangements
- Increase MainMemorySizeMax from 8GB to 12GB
- Add memory pool size calculations for 10GB and 12GB configurations
- Update UI translations for new memory options
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Adds logic to track and skip duplicate consecutive addresses when logging
backtraces. This improves log readability by removing redundant entries
that point to the same address in sequence.
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