2 * AcessOS Microkernel Version
8 #define NULL ((void*)0)
9 #define PACKED __attribute__((packed))
10 #define UNUSED(x) UNUSED_##x __attribute__((unused))
11 #define offsetof(st, m) ((Uint)((char *)&((st *)(0))->m - (char *)0 ))
22 typedef Sint64 tTimestamp;
24 typedef struct sShortSpinlock tShortSpinlock;
26 // --- Helper Macros ---
31 #define CONCAT(x,y) x ## y
32 #define EXPAND_CONCAT(x,y) CONCAT(x,y)
34 #define EXPAND_STR(x) STR(x)
36 #define VER2(major,minor) ((((major)&0xFF)<<8)|((minor)&0xFF))
42 * \name Per-Thread Configuration Settings
58 #define CFGINT(id) (*Threads_GetCfgPtr(id))
59 #define CFGPTR(id) (*(void**)Threads_GetCfgPtr(id))
61 #define errno (CFGINT(CFG_ERRNO))
67 // --- Memory Flags --
71 * \todo Move to mm_virt.h
73 #define MM_PFLAG_RO 0x01 // Writes disallowed
74 #define MM_PFLAG_EXEC 0x02 // Allow execution
75 #define MM_PFLAG_NOPAGE 0x04 // Prevent from being paged out
76 #define MM_PFLAG_COW 0x08 // Copy-On-Write
77 #define MM_PFLAG_KERNEL 0x10 // Kernel-Only (Ring0)
81 // --- Interface Flags & Macros
85 typedef void (*tThreadFunction)(void*);
87 // === Kernel Export Macros ===
89 * \name Kernel Function
92 typedef struct sKernelSymbol {
96 #define EXPORT(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)_name}
97 #define EXPORTV(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)&_name}
98 #define EXPORTAS(_sym,_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)_sym}
105 extern int IRQ_AddHandler(int Num, void (*Callback)(int));
106 extern void IRQ_RemHandler(int Handle);
109 extern void Log_KernelPanic(const char *Ident, const char *Message, ...);
110 extern void Log_Panic(const char *Ident, const char *Message, ...);
111 extern void Log_Error(const char *Ident, const char *Message, ...);
112 extern void Log_Warning(const char *Ident, const char *Message, ...);
113 extern void Log_Notice(const char *Ident, const char *Message, ...);
114 extern void Log_Log(const char *Ident, const char *Message, ...);
115 extern void Log_Debug(const char *Ident, const char *Message, ...);
119 * \name Debugging and Errors
122 extern void Debug_KernelPanic(void); //!< Initiate a kernel panic
123 extern void Panic(const char *Msg, ...); //!< Print a panic message (initiates a kernel panic)
124 extern void Warning(const char *Msg, ...); //!< Print a warning message
125 extern void LogF(const char *Fmt, ...); //!< Print a log message without a trailing newline
126 extern void Log(const char *Fmt, ...); //!< Print a log message
127 extern void Debug(const char *Fmt, ...); //!< Print a debug message (doesn't go to KTerm)
128 extern void LogV(const char *Fmt, va_list Args); //!< va_list Log message
129 extern void Debug_Enter(const char *FuncName, const char *ArgTypes, ...);
130 extern void Debug_Log(const char *FuncName, const char *Fmt, ...);
131 extern void Debug_Leave(const char *FuncName, char RetType, ...);
132 extern void Debug_HexDump(const char *Header, const void *Data, Uint Length);
133 #define UNIMPLEMENTED() Warning("'%s' unimplemented", __func__)
135 # define ENTER(_types...) Debug_Enter((char*)__func__, _types)
136 # define LOG(_fmt...) Debug_Log((char*)__func__, _fmt)
137 # define LEAVE(_t...) Debug_Leave((char*)__func__, _t)
138 # define LEAVE_RET(_t,_v...) do{LEAVE(_t,_v);return _v;}while(0)
139 # define LEAVE_RET0() do{LEAVE('-');return;}while(0)
144 # define LEAVE_RET(_t,_v...) return (_v)
145 # define LEAVE_RET0() return
148 # define ASSERT(expr) do{if(!(expr))Panic("%s: Assertion '"#expr"' failed",(char*)__func__);}while(0)
150 # define ASSERT(expr)
158 * \name I/O Memory Access
161 extern void outb(Uint16 Port, Uint8 Data);
162 extern void outw(Uint16 Port, Uint16 Data);
163 extern void outd(Uint16 Port, Uint32 Data);
164 extern void outq(Uint16 Port, Uint64 Data);
165 extern Uint8 inb(Uint16 Port);
166 extern Uint16 inw(Uint16 Port);
167 extern Uint32 ind(Uint16 Port);
168 extern Uint64 inq(Uint16 Port);
173 // --- Memory Management ---
175 * \name Memory Management
177 * \todo Move to mm_virt.h
180 * \brief Allocate a physical page at \a VAddr
181 * \param VAddr Virtual Address to allocate at
182 * \return Physical address allocated
184 extern tPAddr MM_Allocate(tVAddr VAddr) __attribute__ ((warn_unused_result));
186 * \brief Deallocate a page
187 * \param VAddr Virtual address to unmap
189 extern void MM_Deallocate(tVAddr VAddr);
191 * \brief Map a physical page at \a PAddr to \a VAddr
192 * \param VAddr Target virtual address
193 * \param PAddr Physical address to map
194 * \return Boolean Success
196 extern int MM_Map(tVAddr VAddr, tPAddr PAddr);
198 * \brief Get the physical address of \a Addr
199 * \param Addr Address of the page to get the physical address of
200 * \return Physical page mapped at \a Addr
202 extern tPAddr MM_GetPhysAddr(tVAddr Addr);
204 * \brief Set the access flags on a page
205 * \param VAddr Virtual address of the page
206 * \param Flags New flags value
207 * \param Mask Flags to set
209 extern void MM_SetFlags(tVAddr VAddr, Uint Flags, Uint Mask);
211 * \brief Get the flags on a flag
212 * \param VAddr Virtual address of page
213 * \return Flags value of the page
215 extern Uint MM_GetFlags(tVAddr VAddr);
217 * \brief Checks is a memory range is user accessable
218 * \param VAddr Base address to check
219 * \return 1 if the memory is all user-accessable, 0 otherwise
221 #define MM_IsUser(VAddr) (!(MM_GetFlags((VAddr))&MM_PFLAG_KERNEL))
223 * \brief Temporarily map a page into the address space
224 * \param PAddr Physical addres to map
225 * \return Virtual address of page in memory
226 * \note There is only a limited ammount of slots avaliable
228 extern tVAddr MM_MapTemp(tPAddr PAddr);
230 * \brief Free a temporarily mapped page
231 * \param VAddr Allocate virtual addres of page
233 extern void MM_FreeTemp(tVAddr VAddr);
235 * \brief Map a physcal address range into the virtual address space
236 * \param PAddr Physical address to map in
237 * \param Number Number of pages to map
239 extern tVAddr MM_MapHWPages(tPAddr PAddr, Uint Number);
241 * \brief Allocates DMA physical memory
242 * \param Pages Number of pages required
243 * \param MaxBits Maximum number of bits the physical address can have
244 * \param PhysAddr Pointer to the location to place the physical address allocated
245 * \return Virtual address allocate
247 extern tVAddr MM_AllocDMA(int Pages, int MaxBits, tPAddr *PhysAddr);
249 * \brief Unmaps an allocated hardware range
250 * \param VAddr Virtual address allocate by ::MM_MapHWPage or ::MM_AllocDMA
251 * \param Number Number of pages to free
253 extern void MM_UnmapHWPages(tVAddr VAddr, Uint Number);
255 * \brief Allocate a single physical page
256 * \return Physical address allocated
258 extern tPAddr MM_AllocPhys(void);
260 * \brief Allocate a contiguous range of physical pages
261 * \param Pages Number of pages to allocate
262 * \param MaxBits Maximum number of address bits allowed
263 * \return First physical address allocated
265 extern tPAddr MM_AllocPhysRange(int Pages, int MaxBits);
267 * \brief Reference a physical page
268 * \param PAddr Page to mark as referenced
270 extern void MM_RefPhys(tPAddr PAddr);
272 * \brief Dereference a physical page
273 * \param PAddr Page to dereference
275 extern void MM_DerefPhys(tPAddr PAddr);
277 * \brief Get the number of times a page has been referenced
278 * \param PAddr Address to check
279 * \return Reference count for the page
281 extern int MM_GetRefCount(tPAddr PAddr);
283 * \brief Set the node/offset associated with a page
284 * \param PAddr Physical address of page
285 * \param Node Node pointer (tVFS_Node)
286 * \param Offset File offset
287 * \return Boolean failure
289 * \retval 1 Page not allocated
291 extern int MM_SetPageInfo(tPAddr PAddr, void *Node, Uint64 Offset);
293 * \brief Get the node/offset associated with a page
294 * \param PAddr Physical address of page
295 * \param Node Node pointer (tVFS_Node) destination
296 * \param Offset File offset destination (pointer)
297 * \return Boolean failure
299 * \retval 1 Page not allocated
301 extern int MM_GetPageInfo(tPAddr PAddr, void **Node, Uint64 *Offset);
306 // --- Memory Manipulation ---
308 * \name Memory Manipulation
311 extern int memcmp(const void *m1, const void *m2, size_t count);
312 extern void *memcpy(void *dest, const void *src, size_t count);
313 extern void *memcpyd(void *dest, const void *src, size_t count);
314 extern void *memset(void *dest, int val, size_t count);
315 extern void *memsetd(void *dest, Uint32 val, size_t count);
320 * \name Memory Validation
323 extern int CheckString(const char *String);
324 extern int CheckMem(const void *Mem, int Num);
329 // --- Endianness ---
331 * \name Endianness Swapping
334 #ifdef __BIG_ENDIAN__
335 #define LittleEndian16(_val) SwapEndian16(_val)
336 #define LittleEndian32(_val) SwapEndian32(_val)
337 #define BigEndian16(_val) (_val)
338 #define BigEndian32(_val) (_val)
340 #define LittleEndian16(_val) (_val)
341 #define LittleEndian32(_val) (_val)
342 #define BigEndian16(_val) SwapEndian16(_val)
343 #define BigEndian32(_val) SwapEndian32(_val)
345 extern Uint16 SwapEndian16(Uint16 Val);
346 extern Uint32 SwapEndian32(Uint32 Val);
356 extern int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args);
357 extern int sprintf(char *__s, const char *__format, ...);
358 extern size_t strlen(const char *Str);
359 extern char *strcpy(char *__dest, const char *__src);
360 extern char *strncpy(char *__dest, const char *__src, size_t max);
361 extern char *strcat(char *__dest, const char *__src);
362 extern char *strncat(char *__dest, const char *__src, size_t n);
363 extern int strcmp(const char *__str1, const char *__str2);
364 extern int strncmp(const char *Str1, const char *Str2, size_t num);
365 extern int strucmp(const char *Str1, const char *Str2);
366 // strdup macro is defined in heap.h
367 extern char *_strdup(const char *File, int Line, const char *Str);
368 extern char **str_split(const char *__str, char __ch);
369 extern char *strchr(const char *__s, int __c);
370 extern int strpos(const char *Str, char Ch);
371 extern int strpos8(const char *str, Uint32 search);
372 extern void itoa(char *buf, Uint64 num, int base, int minLength, char pad);
373 extern int atoi(const char *string);
374 extern int ReadUTF8(const Uint8 *str, Uint32 *Val);
375 extern int WriteUTF8(Uint8 *str, Uint32 Val);
376 extern int ModUtil_SetIdent(char *Dest, const char *Value);
377 extern int ModUtil_LookupString(const char **Array, const char *Needle);
379 extern Uint8 ByteSum(const void *Ptr, int Size);
380 extern int UnHex(Uint8 *Dest, size_t DestSize, const char *SourceString);
385 extern int rand(void);
386 extern int CallWithArgArray(void *Function, int NArgs, Uint *Args);
396 extern int Module_LoadMem(void *Buffer, Uint Length, const char *ArgStr);
397 extern int Module_LoadFile(const char *Path, const char *ArgStr);
404 * \name Time and Timing
408 * \brief Create a timestamp from a time
410 extern Sint64 timestamp(int sec, int mins, int hrs, int day, int month, int year);
412 * \brief Gets the current timestamp (miliseconds since Midnight 1st January 1970)
414 extern Sint64 now(void);
416 * \brief Timer callback function
418 typedef void (tTimerCallback)(void *);
420 * \brief Creates a one-shot timer
421 * \param Delta Period of the timer
422 * \param Callback Function to call each time
423 * \param Argument Argument to pass to the callback
425 extern int Time_CreateTimer(int Delta, tTimerCallback *Callback, void *Argument);
427 * \brief Removed an active timer
429 extern void Time_RemoveTimer(int ID);
431 * \brief Wait for a period of milliseconds
433 extern void Time_Delay(int Delay);
440 * \name Threads and Processes
443 extern int Proc_SpawnWorker(void);
444 extern int Proc_Spawn(char *Path);
445 extern void Threads_Exit(int TID, int Status);
446 extern void Threads_Yield(void);
447 extern void Threads_Sleep(void);
448 extern int Threads_WakeTID(tTID Thread);
449 extern tPID Threads_GetPID(void);
450 extern tTID Threads_GetTID(void);
451 extern tUID Threads_GetUID(void);
452 extern tGID Threads_GetGID(void);
453 extern int SpawnTask(tThreadFunction Function, void *Arg);
454 extern Uint *Threads_GetCfgPtr(int Id);
455 extern int Threads_SetName(const char *NewName);
460 // --- Simple Math ---
461 extern int DivUp(int num, int dem);
463 #include <binary_ext.h>