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Extend SVC table with names
This extend a descriptor table for the SVCs with names for every SVC alongside their function pointer. The names are then used for logging and eventually tracing.
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PixelyIon
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df3427a8c0
@ -229,136 +229,157 @@ namespace skyline::kernel::svc {
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void SignalToAddress(const DeviceState &state);
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/**
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* @brief The SVC Table maps all SVCs to their corresponding functions
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* @brief A per-SVC descriptor with it's name and a function pointer
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* @note The descriptor is nullable, the validity of the descriptor can be checked with the boolean operator
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*/
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static std::array<void (*)(const DeviceState &), 0x80> SvcTable{
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nullptr, // 0x00 (Does not exist)
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SetHeapSize, // 0x01
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nullptr, // 0x02
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SetMemoryAttribute, // 0x03
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MapMemory, // 0x04
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UnmapMemory, // 0x05
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QueryMemory, // 0x06
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ExitProcess, // 0x07
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CreateThread, // 0x08
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StartThread, // 0x09
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ExitThread, // 0x0A
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SleepThread, // 0x0B
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GetThreadPriority, // 0x0C
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SetThreadPriority, // 0x0D
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GetThreadCoreMask, // 0x0E
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SetThreadCoreMask, // 0x0F
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GetCurrentProcessorNumber, // 0x10
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nullptr, // 0x11
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ClearEvent, // 0x12
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MapSharedMemory, // 0x13
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nullptr, // 0x14
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CreateTransferMemory, // 0x15
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CloseHandle, // 0x16
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ResetSignal, // 0x17
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WaitSynchronization, // 0x18
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CancelSynchronization, // 0x19
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ArbitrateLock, // 0x1A
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ArbitrateUnlock, // 0x1B
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WaitProcessWideKeyAtomic, // 0x1C
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SignalProcessWideKey, // 0x1D
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GetSystemTick, // 0x1E
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ConnectToNamedPort, // 0x1F
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nullptr, // 0x20
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SendSyncRequest, // 0x21
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nullptr, // 0x22
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nullptr, // 0x23
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nullptr, // 0x24
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GetThreadId, // 0x25
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Break, // 0x26
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OutputDebugString, // 0x27
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nullptr, // 0x28
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GetInfo, // 0x29
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nullptr, // 0x2A
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nullptr, // 0x2B
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MapPhysicalMemory, // 0x2C
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UnmapPhysicalMemory, // 0x2D
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nullptr, // 0x2E
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nullptr, // 0x2F
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nullptr, // 0x30
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nullptr, // 0x31
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nullptr, // 0x32
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nullptr, // 0x33
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WaitForAddress, // 0x34
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SignalToAddress, // 0x35
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nullptr, // 0x36
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nullptr, // 0x37
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nullptr, // 0x38
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nullptr, // 0x39
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nullptr, // 0x3A
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nullptr, // 0x3B
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nullptr, // 0x3C
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nullptr, // 0x3D
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nullptr, // 0x3E
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nullptr, // 0x3F
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nullptr, // 0x40
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nullptr, // 0x41
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nullptr, // 0x42
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nullptr, // 0x43
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nullptr, // 0x44
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nullptr, // 0x45
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nullptr, // 0x46
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nullptr, // 0x47
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nullptr, // 0x48
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nullptr, // 0x49
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nullptr, // 0x4A
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nullptr, // 0x4B
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nullptr, // 0x4C
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nullptr, // 0x4D
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nullptr, // 0x4E
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nullptr, // 0x4F
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nullptr, // 0x50
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nullptr, // 0x51
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nullptr, // 0x52
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nullptr, // 0x53
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nullptr, // 0x54
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nullptr, // 0x55
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nullptr, // 0x56
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nullptr, // 0x57
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nullptr, // 0x58
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nullptr, // 0x59
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nullptr, // 0x5A
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nullptr, // 0x5B
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nullptr, // 0x5C
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nullptr, // 0x5D
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nullptr, // 0x5E
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nullptr, // 0x5F
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nullptr, // 0x60
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nullptr, // 0x61
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nullptr, // 0x62
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nullptr, // 0x63
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nullptr, // 0x64
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nullptr, // 0x65
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nullptr, // 0x66
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nullptr, // 0x67
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nullptr, // 0x68
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nullptr, // 0x69
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nullptr, // 0x6A
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nullptr, // 0x6B
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nullptr, // 0x6C
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nullptr, // 0x6D
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nullptr, // 0x6E
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nullptr, // 0x6F
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nullptr, // 0x70
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nullptr, // 0x71
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nullptr, // 0x72
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nullptr, // 0x73
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nullptr, // 0x74
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nullptr, // 0x75
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nullptr, // 0x76
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nullptr, // 0x77
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nullptr, // 0x78
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nullptr, // 0x79
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nullptr, // 0x7A
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nullptr, // 0x7B
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nullptr, // 0x7C
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nullptr, // 0x7D
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nullptr, // 0x7E
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nullptr // 0x7F
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struct SvcDescriptor {
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void (*function)(const DeviceState &); //!< A function pointer to a HLE implementation of the SVC
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const char* name; //!< A pointer to a static string of the SVC name, the underlying data should not be mutated
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operator bool() {
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return function;
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}
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};
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#define SVC_NONE SvcDescriptor{} //!< A macro with a placeholder value for the SVC not being implemented or not existing
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#define SVC_STRINGIFY(name) #name
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#define SVC_ENTRY(function) SvcDescriptor{function, SVC_STRINGIFY(Svc ## function)} //!< A macro which automatically stringifies the function name as the name to prevent pointless duplication
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/**
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* @brief The SVC table maps all SVCs to their corresponding functions
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*/
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static constexpr std::array<SvcDescriptor, 0x80> SvcTable{
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SVC_NONE, // 0x00 (Does not exist)
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SVC_ENTRY(SetHeapSize), // 0x01
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SVC_NONE, // 0x02
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SVC_ENTRY(SetMemoryAttribute), // 0x03
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SVC_ENTRY(MapMemory), // 0x04
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SVC_ENTRY(UnmapMemory), // 0x05
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SVC_ENTRY(QueryMemory), // 0x06
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SVC_ENTRY(ExitProcess), // 0x07
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SVC_ENTRY(CreateThread), // 0x08
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SVC_ENTRY(StartThread), // 0x09
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SVC_ENTRY(ExitThread), // 0x0A
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SVC_ENTRY(SleepThread), // 0x0B
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SVC_ENTRY(GetThreadPriority), // 0x0C
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SVC_ENTRY(SetThreadPriority), // 0x0D
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SVC_ENTRY(GetThreadCoreMask), // 0x0E
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SVC_ENTRY(SetThreadCoreMask), // 0x0F
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SVC_ENTRY(GetCurrentProcessorNumber), // 0x10
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SVC_NONE, // 0x11
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SVC_ENTRY(ClearEvent), // 0x12
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SVC_ENTRY(MapSharedMemory), // 0x13
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SVC_NONE, // 0x14
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SVC_ENTRY(CreateTransferMemory), // 0x15
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SVC_ENTRY(CloseHandle), // 0x16
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SVC_ENTRY(ResetSignal), // 0x17
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SVC_ENTRY(WaitSynchronization), // 0x18
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SVC_ENTRY(CancelSynchronization), // 0x19
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SVC_ENTRY(ArbitrateLock), // 0x1A
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SVC_ENTRY(ArbitrateUnlock), // 0x1B
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SVC_ENTRY(WaitProcessWideKeyAtomic), // 0x1C
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SVC_ENTRY(SignalProcessWideKey), // 0x1D
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SVC_ENTRY(GetSystemTick), // 0x1E
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SVC_ENTRY(ConnectToNamedPort), // 0x1F
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SVC_NONE, // 0x20
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SVC_ENTRY(SendSyncRequest), // 0x21
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SVC_NONE, // 0x22
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SVC_NONE, // 0x23
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SVC_NONE, // 0x24
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SVC_ENTRY(GetThreadId), // 0x25
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SVC_ENTRY(Break), // 0x26
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SVC_ENTRY(OutputDebugString), // 0x27
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SVC_NONE, // 0x28
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SVC_ENTRY(GetInfo), // 0x29
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SVC_NONE, // 0x2A
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SVC_NONE, // 0x2B
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SVC_ENTRY(MapPhysicalMemory), // 0x2C
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SVC_ENTRY(UnmapPhysicalMemory), // 0x2D
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SVC_NONE, // 0x2E
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SVC_NONE, // 0x2F
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SVC_NONE, // 0x30
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SVC_NONE, // 0x31
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SVC_NONE, // 0x32
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SVC_NONE, // 0x33
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SVC_ENTRY(WaitForAddress), // 0x34
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SVC_ENTRY(SignalToAddress), // 0x35
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SVC_NONE, // 0x36
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SVC_NONE, // 0x37
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SVC_NONE, // 0x38
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SVC_NONE, // 0x39
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SVC_NONE, // 0x3A
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SVC_NONE, // 0x3B
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SVC_NONE, // 0x3C
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SVC_NONE, // 0x3D
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SVC_NONE, // 0x3E
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SVC_NONE, // 0x3F
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SVC_NONE, // 0x40
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SVC_NONE, // 0x41
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SVC_NONE, // 0x42
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SVC_NONE, // 0x43
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SVC_NONE, // 0x44
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SVC_NONE, // 0x45
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SVC_NONE, // 0x46
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SVC_NONE, // 0x47
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SVC_NONE, // 0x48
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SVC_NONE, // 0x49
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SVC_NONE, // 0x4A
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SVC_NONE, // 0x4B
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SVC_NONE, // 0x4C
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SVC_NONE, // 0x4D
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SVC_NONE, // 0x4E
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SVC_NONE, // 0x4F
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SVC_NONE, // 0x50
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SVC_NONE, // 0x51
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SVC_NONE, // 0x52
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SVC_NONE, // 0x53
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SVC_NONE, // 0x54
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SVC_NONE, // 0x55
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SVC_NONE, // 0x56
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SVC_NONE, // 0x57
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SVC_NONE, // 0x58
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SVC_NONE, // 0x59
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SVC_NONE, // 0x5A
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SVC_NONE, // 0x5B
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SVC_NONE, // 0x5C
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SVC_NONE, // 0x5D
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SVC_NONE, // 0x5E
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SVC_NONE, // 0x5F
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SVC_NONE, // 0x60
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SVC_NONE, // 0x61
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SVC_NONE, // 0x62
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SVC_NONE, // 0x63
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SVC_NONE, // 0x64
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SVC_NONE, // 0x65
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SVC_NONE, // 0x66
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SVC_NONE, // 0x67
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SVC_NONE, // 0x68
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SVC_NONE, // 0x69
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SVC_NONE, // 0x6A
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SVC_NONE, // 0x6B
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SVC_NONE, // 0x6C
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SVC_NONE, // 0x6D
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SVC_NONE, // 0x6E
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SVC_NONE, // 0x6F
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SVC_NONE, // 0x70
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SVC_NONE, // 0x71
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SVC_NONE, // 0x72
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SVC_NONE, // 0x73
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SVC_NONE, // 0x74
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SVC_NONE, // 0x75
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SVC_NONE, // 0x76
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SVC_NONE, // 0x77
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SVC_NONE, // 0x78
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SVC_NONE, // 0x79
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SVC_NONE, // 0x7A
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SVC_NONE, // 0x7B
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SVC_NONE, // 0x7C
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SVC_NONE, // 0x7D
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SVC_NONE, // 0x7E
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SVC_NONE // 0x7F
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};
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#undef SVC_NONE
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#undef SVC_STRINGIFY
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#undef SVC_ENTRY
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}
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@ -14,18 +14,16 @@
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#include "nce.h"
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namespace skyline::nce {
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void NCE::SvcHandler(u16 svc, ThreadContext *ctx) {
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void NCE::SvcHandler(u16 svcId, ThreadContext *ctx) {
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TRACE_EVENT_END("guest");
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const auto &state{*ctx->state};
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auto svc{kernel::svc::SvcTable[svcId]};
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try {
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auto function{kernel::svc::SvcTable[svc]};
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if (function) [[likely]] {
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TRACE_EVENT("kernel", "SVC");
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state.logger->Debug("SVC called 0x{:X}", svc);
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(*function)(state);
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if (svc) [[likely]] {
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(svc.function)(state);
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} else [[unlikely]] {
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throw exception("Unimplemented SVC 0x{:X}", svc);
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throw exception("Unimplemented SVC 0x{:X}", svcId);
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}
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while (kernel::Scheduler::YieldPending) [[unlikely]] {
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@ -35,7 +33,7 @@ namespace skyline::nce {
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}
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} catch (const signal::SignalException &e) {
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if (e.signal != SIGINT) {
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state.logger->Error("{} (SVC: 0x{:X})\nStack Trace:{}", e.what(), svc, state.loader->GetStackTrace(e.frames));
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state.logger->ErrorNoPrefix("{} (SVC: 0x{:X})\nStack Trace:{}", e.what(), svc.name, state.loader->GetStackTrace(e.frames));
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if (state.thread->id) {
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signal::BlockSignal({SIGINT});
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state.process->Kill(false);
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@ -44,7 +42,11 @@ namespace skyline::nce {
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abi::__cxa_end_catch(); // We call this prior to the longjmp to cause the exception object to be destroyed
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std::longjmp(state.thread->originalCtx, true);
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} catch (const std::exception &e) {
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state.logger->Error("{} (SVC: 0x{:X})\nStack Trace:{}", e.what(), svc, state.loader->GetStackTrace());
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if (svc)
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state.logger->ErrorNoPrefix("{} (SVC: {})\nStack Trace:{}", e.what(), svc.name, state.loader->GetStackTrace());
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else
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state.logger->ErrorNoPrefix("{} (SVC: 0x{:X})\nStack Trace:{}", e.what(), svcId, state.loader->GetStackTrace());
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if (state.thread->id) {
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signal::BlockSignal({SIGINT});
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state.process->Kill(false);
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@ -14,7 +14,7 @@ namespace skyline::nce {
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private:
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const DeviceState &state;
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static void SvcHandler(u16 svc, ThreadContext *ctx);
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static void SvcHandler(u16 svcId, ThreadContext *ctx);
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public:
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static void SignalHandler(int signal, siginfo *info, ucontext *ctx, void **tls);
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