#pragma once // Syscall.h #include #include #include #include #define SYS_STATUS_SUCCESS 0u #define SYS_STATUS_PENDING 4u #define SYS_STATUS_ALERTED 5u #define SYS_STATUS_KERNEL_APC 6u #define SYS_STATUS_USER_APC 7u #define SYS_STATUS_CANCELLED 0x33u // --------------------------------------------------------------------------- // User process/thread environment // --------------------------------------------------------------------------- // GS base points at SYS_TEB. GS:[0] is the process PEB pointer. // This is this OS' ABI, not a Windows compatibility layout. #define SYS_PEB_MAGIC 0x30424550u /* "PEB0" */ #define SYS_TEB_MAGIC 0x30424554u /* "TEB0" */ #define SYS_ENV_VERSION 1u #define SYS_CWD_MAX 520u typedef struct SYS_PEB { uint32_t Magic; uint32_t Version; uint32_t ProcessId; const char* ImagePath; size_t ImagePathLength; const char* CommandLine; size_t CommandLineLength; const char* CurrentDirectory; size_t CurrentDirectoryLength; } SYS_PEB; typedef struct SYS_TEB { SYS_PEB* Peb; void* StackBase; void* StackLimit; struct SYS_TEB* Self; uint32_t ThreadId; uint32_t Magic; } SYS_TEB; static inline SYS_PEB* SysGetPeb(void) { return (SYS_PEB*)(uintptr_t)__readgsqword(0); } static inline SYS_TEB* SysGetTeb(void) { return (SYS_TEB*)(uintptr_t)__readgsqword(offsetof(SYS_TEB, Self)); } // --------------------------------------------------------------------------- // APC and async I/O ABI // --------------------------------------------------------------------------- typedef struct SYS_IO_STATUS_BLOCK { volatile uint32_t Status; volatile uint64_t Information; } SYS_IO_STATUS_BLOCK; typedef void (*SYS_USER_APC_ROUTINE)(void* normalContext, SYS_IO_STATUS_BLOCK* iosb, uint64_t information); typedef struct SYS_ASYNC_FILE_REQUEST { uint32_t FileHandle; uint32_t EventHandle; // optional; 0 means no event signal uint32_t Flags; // reserved, must be 0 for now uint32_t Reserved; uint64_t Offset; // explicit byte offset; does not touch file pointer void* Buffer; size_t Size; SYS_IO_STATUS_BLOCK* Iosb; // required; initialized to SYS_STATUS_PENDING SYS_USER_APC_ROUTINE ApcRoutine; // optional; requires SysSetUserApcDispatcher void* ApcContext; uint32_t* RequestHandleOut; // optional; receives cancel/query handle } SYS_ASYNC_FILE_REQUEST; typedef struct SYS_USER_APC_FRAME { uint64_t Magic; uint64_t OriginalRip; uint64_t OriginalRsp; uint64_t OriginalRflags; uint64_t OriginalRax; uint64_t Routine; uint64_t NormalContext; uint64_t SystemArgument1; uint64_t SystemArgument2; } SYS_USER_APC_FRAME; #define SYS_USER_APC_FRAME_MAGIC 0x3143504152555355ULL void SysUserApcDispatcher(void); // --------------------------------------------------------------------------- // Trap-frame query ABI // --------------------------------------------------------------------------- typedef struct SYS_TRAP_FRAME_INFO { uint32_t Size; uint32_t Kind; uint32_t Vector; uint32_t PreviousMode; uint64_t Rip; uint64_t Cs; uint64_t Rflags; uint64_t Rsp; uint64_t Ss; uint64_t Rax; uint64_t Rcx; uint64_t Rdx; uint64_t R8; uint64_t R9; uint64_t R10; uint64_t R11; } SYS_TRAP_FRAME_INFO; // --------------------------------------------------------------------------- // Process & thread lifecycle (0-14) // --------------------------------------------------------------------------- void SysExitProcess(int exitCode); void SysExitThread(int exitCode); uint32_t SysCreateProcess(const char* path, uint32_t* handleOut, const char* cmdline); uint32_t SysWaitForProcess(uint32_t handle); uint32_t SysGetProcessExitCode(uint32_t handle, int* exitCodeOut); uint32_t SysKillProcess(uint32_t pid, int exitCode); uint32_t SysGetProcessList(uint32_t* pidsOut, size_t maxCount, size_t* countOut); uint32_t SysGetProcessPid(uint32_t handle, uint32_t* pidOut); uint32_t SysCreateThread(uintptr_t entry, uintptr_t arg, uint32_t priority, uint32_t* tidOut); uint32_t SysWaitThread(uint32_t tid); uint32_t SysGetCurrentTid(void); uint32_t SysGetCurrentPid(void); uint32_t SysSetThreadPriority(uint32_t priority); uint32_t SysYield(void); uint32_t SysSleep(uint64_t ms); uint32_t SysSetUserApcDispatcher(void* dispatcher); uint32_t SysApcReturn(const SYS_USER_APC_FRAME* frame); // --------------------------------------------------------------------------- // Memory and handles // --------------------------------------------------------------------------- void* SysAlloc(size_t size); uint32_t SysFree(void* ptr); void* SysRealloc(void* ptr, size_t newSize); uint32_t SysCloseHandle(uint32_t handle); // --------------------------------------------------------------------------- // Synchronization primitives (19-31) // --------------------------------------------------------------------------- uint32_t SysMutexCreate(uint32_t* handleOut); uint32_t SysMutexAcquire(uint32_t handle); uint32_t SysMutexTryAcquire(uint32_t handle); uint32_t SysMutexRelease(uint32_t handle); uint32_t SysSemCreate(int32_t initial, int32_t max, uint32_t* handleOut); uint32_t SysSemWait(uint32_t handle); uint32_t SysSemTryWait(uint32_t handle); uint32_t SysSemSignal(uint32_t handle); uint32_t SysEventCreate(uint32_t type, uint32_t initialState, uint32_t* handleOut); uint32_t SysEventSignal(uint32_t handle); uint32_t SysEventClear(uint32_t handle); uint32_t SysEventWait(uint32_t handle, uint32_t alertable); // --------------------------------------------------------------------------- // Queues and named queues (32-38) // --------------------------------------------------------------------------- uint32_t SysQueueCreate(uint32_t* handleOut); uint32_t SysQueueSend(uint32_t handle, const void* msg, bool blocking); uint32_t SysQueueRecv(uint32_t handle, void* msg, bool blocking); uint32_t SysPublishQueue(const char* name, uint32_t handle); uint32_t SysOpenNamedQueue(const char* name, uint32_t* handleOut); uint32_t SysQueueDuplicate(uint32_t handle, uint32_t targetPid, uint32_t* handleOut); uint32_t SysNamedQueueOwnerPid(const char* name, uint32_t* pidOut); // --------------------------------------------------------------------------- // Files, directories, and current directory (39-56) // --------------------------------------------------------------------------- uint32_t SysOpenFile(const char* path, uint32_t* handleOut); uint32_t SysCreateFile(const char* path, uint32_t* handleOut); uint32_t SysReadFile(uint32_t handle, void* buf, size_t size, size_t* bytesRead); uint32_t SysWriteFile(uint32_t handle, const void* buf, size_t size, size_t* written); uint32_t SysReadFileAsync(const SYS_ASYNC_FILE_REQUEST* request); uint32_t SysWriteFileAsync(const SYS_ASYNC_FILE_REQUEST* request); uint32_t SysCancelIo(uint32_t asyncRequestHandle); uint32_t SysSeekFile(uint32_t handle, uint64_t offset); uint64_t SysGetFilePos(uint32_t handle); uint64_t SysGetFileSize(uint32_t handle); uint32_t SysTruncateFile(uint32_t handle, uint64_t newSize); uint32_t SysDeleteFile(const char* path); uint32_t SysRenameFile(const char* oldPath, const char* newPath); uint32_t SysOpenDir(const char* path, uint32_t* handleOut); uint32_t SysReadDir(uint32_t handle, void* dirEntryBuffer); uint32_t SysCreateDir(const char* path); uint32_t SysRemoveDir(const char* path); uint32_t SysSetCwd(const char* path); uint32_t SysGetCwd(char* buf, size_t size); // --------------------------------------------------------------------------- // Console and graphics (57-61) // --------------------------------------------------------------------------- uint32_t SysWriteConsole(const char* buf, size_t len); uint32_t SysScreenBlit(int x, int y, int w, int h, const uint32_t* pixels); uint32_t SysScreenClear(uint32_t color); uint32_t SysScreenGetSize(int* widthOut, int* heightOut); uint32_t SysScreenPutChar(char c, int x, int y, uint32_t fg, uint32_t bg); // --------------------------------------------------------------------------- // Input (62-69) // --------------------------------------------------------------------------- uint64_t SysKbPoll(void); uint64_t SysKbIsKeyDown(uint8_t scancode, bool extended); char SysKbReadChar(void); uint8_t SysKbReadScancode(void); uint32_t SysKbGetModifiers(void); uint64_t SysMousePoll(void); uint64_t SysMouseRead(int* dx, int* dy, uint8_t* buttons); void SysMouseGetPos(int* x, int* y); // --------------------------------------------------------------------------- // Time and debug (70-72) // --------------------------------------------------------------------------- uint64_t SysGetTick(void); uint32_t SysDebugPrint(const char* str); uint32_t SysQueryTrapFrame(SYS_TRAP_FRAME_INFO* info); uint64_t SysCatchAllDebugBucket(uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5);