2 * AcessOS Microkernel Version
8 #define NULL ((void*)0)
9 #define PACKED __attribute__ ((packed))
14 // --- Helper Macros ---
19 #define CONCAT(x,y) x ## y
20 #define EXPAND_CONCAT(x,y) CONCAT(x,y)
22 #define EXPAND_STR(x) STR(x)
24 #define VER3(major,minor,patch) ((((major)&0xFF)<<16)|(((minor)&0xFF)<<8)|((patch)&0xFF))
30 * \name Per-Process Configuration Settings
45 #define CFGINT(id) (*Threads_GetCfgPtr(id))
46 #define CFGPTR(id) (*(void**)Threads_GetCfgPtr(id))
52 // --- Memory Flags --
56 * \todo Move to mm_virt.h
58 #define MM_PFLAG_RO 0x01 // Writes disallowed
59 #define MM_PFLAG_EXEC 0x02 // Allow execution
60 #define MM_PFLAG_NOPAGE 0x04 // Prevent from being paged out
61 #define MM_PFLAG_COW 0x08 // Copy-On-Write
62 #define MM_PFLAG_KERNEL 0x10 // Kernel-Only (Ring0)
66 // --- Interface Flags & Macros
70 typedef void (*tThreadFunction)(void*);
72 // === Kernel Export Macros ===
74 * \name Kernel Function
77 typedef struct sKernelSymbol {
81 #define EXPORT(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)_name}
82 #define EXPORTV(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)&_name}
83 #define EXPORTAS(_sym,_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)_sym}
90 extern void System_Init(char *ArgString);
93 extern int IRQ_AddHandler(int Num, void (*Callback)(int));
97 * \name Debugging and Errors
100 extern void Panic(char *Msg, ...);
101 extern void Warning(char *Msg, ...);
102 extern void Log(char *Fmt, ...);
103 extern void LogV(char *Fmt, va_list Args);
104 extern void LogF(char *Fmt, ...);
105 extern void Debug_Enter(char *FuncName, char *ArgTypes, ...);
106 extern void Debug_Log(char *FuncName, char *Fmt, ...);
107 extern void Debug_Leave(char *FuncName, char RetType, ...);
108 extern void Debug_HexDump(char *Header, void *Data, Uint Length);
109 #define UNIMPLEMENTED() Warning("'%s' unimplemented", __func__)
111 # define ENTER(_types...) Debug_Enter((char*)__func__, _types)
112 # define LOG(_fmt...) Debug_Log((char*)__func__, _fmt)
113 # define LEAVE(_t...) Debug_Leave((char*)__func__, _t)
114 # define LEAVE_RET(_t,_v...) do{LEAVE(_t,_v);return _v;}while(0)
115 # define LEAVE_RET0() do{LEAVE('-');return;}while(0)
120 # define LEAVE_RET(_t,_v...) return (_v)
121 # define LEAVE_RET0() return
124 # define ASSERT(expr) do{if(!(expr))Panic("%s: Assertion '"#expr"' failed",(char*)__func__);}while(0)
126 # define ASSERT(expr)
134 * \name I/O Memory Access
137 extern void outb(Uint16 Port, Uint8 Data);
138 extern void outw(Uint16 Port, Uint16 Data);
139 extern void outd(Uint16 Port, Uint32 Data);
140 extern void outq(Uint16 Port, Uint64 Data);
141 extern Uint8 inb(Uint16 Port);
142 extern Uint16 inw(Uint16 Port);
143 extern Uint32 ind(Uint16 Port);
144 extern Uint64 inq(Uint16 Port);
149 // --- Memory Management ---
151 * \name Memory Management
153 * \todo Move to mm_virt.h
156 * \brief Allocate a physical page at \a VAddr
157 * \param VAddr Virtual Address to allocate at
158 * \return Physical address allocated
160 extern tPAddr MM_Allocate(tVAddr VAddr);
162 * \brief Deallocate a page
163 * \param VAddr Virtual address to unmap
165 extern void MM_Deallocate(tVAddr VAddr);
167 * \brief Map a physical page at \a PAddr to \a VAddr
168 * \param VAddr Target virtual address
169 * \param PAddr Physical address to map
170 * \return Boolean Success
172 extern int MM_Map(tVAddr VAddr, tPAddr PAddr);
174 * \brief Get the physical address of \a VAddr
175 * \param VAddr Address of the page to get the physical address of
176 * \return Physical page mapped at \a VAddr
178 extern tPAddr MM_GetPhysAddr(tVAddr VAddr);
180 * \brief Checks is a memory range is user accessable
181 * \param VAddr Base address to check
182 * \return 1 if the memory is all user-accessable, 0 otherwise
184 extern int MM_IsUser(tVAddr VAddr);
186 * \brief Set the access flags on a page
187 * \param VAddr Virtual address of the page
188 * \param Flags New flags value
189 * \param Mask Flags to set
191 extern void MM_SetFlags(tVAddr VAddr, Uint Flags, Uint Mask);
193 * \brief Temporarily map a page into the address space
194 * \param PAddr Physical addres to map
195 * \return Virtual address of page in memory
196 * \note There is only a limited ammount of slots avaliable
198 extern tVAddr MM_MapTemp(tPAddr PAddr);
200 * \brief Free a temporarily mapped page
201 * \param VAddr Allocate virtual addres of page
203 extern void MM_FreeTemp(tVAddr VAddr);
205 * \brief Map a physcal address range into the virtual address space
206 * \param PAddr Physical address to map in
207 * \param Number Number of pages to map
209 extern tVAddr MM_MapHWPage(tPAddr PAddr, Uint Number);
211 * \brief Allocates DMA physical memory
212 * \param Pages Number of pages required
213 * \param MaxBits Maximum number of bits the physical address can have
214 * \param PhysAddr Pointer to the location to place the physical address allocated
215 * \return Virtual address allocate
217 extern tVAddr MM_AllocDMA(int Pages, int MaxBits, tPAddr *PhysAddr);
219 * \brief Unmaps an allocated hardware range
220 * \param VAddr Virtual address allocate by ::MM_MapHWPage or ::MM_AllocDMA
221 * \param Number Number of pages to free
223 extern void MM_UnmapHWPage(tVAddr VAddr, Uint Number);
225 * \brief Allocate a single physical page
226 * \return Physical address allocated
228 extern tPAddr MM_AllocPhys();
230 * \brief Allocate a contiguous range of physical pages
231 * \param Pages Number of pages to allocate
232 * \return First physical address allocated
234 extern tPAddr MM_AllocPhysRange(int Pages, int MaxBits);
236 * \brief Reference a physical page
237 * \param PAddr Page to mark as referenced
239 extern void MM_RefPhys(tPAddr PAddr);
241 * \brief Dereference a physical page
242 * \param PAddr Page to dereference
244 extern void MM_DerefPhys(tPAddr PAddr);
249 // --- Memory Manipulation ---
251 * \name Memory Manipulation
254 extern int memcmp(const void *m1, const void *m2, Uint count);
255 extern void *memcpy(void *dest, const void *src, Uint count);
256 extern void *memcpyd(void *dest, const void *src, Uint count);
257 extern void *memset(void *dest, int val, Uint count);
258 extern void *memsetd(void *dest, Uint val, Uint count);
263 * \name Memory Validation
266 extern int CheckString(char *String);
267 extern int CheckMem(void *Mem, int Num);
272 // --- Endianness ---
274 * \name Endianness Swapping
277 extern Uint16 LittleEndian16(Uint16 Val);
278 extern Uint16 BigEndian16(Uint16 Val);
279 extern Uint32 LittleEndian32(Uint32 Val);
280 extern Uint32 BigEndian32(Uint32 Val);
290 extern Uint strlen(const char *Str);
291 extern char *strcpy(char *__dest, const char *__src);
292 extern int strcmp(const char *__str1, const char *__str2);
293 extern int strncmp(const char *Str1, const char *Str2, size_t num);
294 extern int strucmp(const char *Str1, const char *Str2);
295 extern char *strdup(const char *Str);
296 extern int strpos(const char *Str, char Ch);
297 extern int strpos8(const char *str, Uint32 search);
298 extern void itoa(char *buf, Uint num, int base, int minLength, char pad);
299 extern int ReadUTF8(Uint8 *str, Uint32 *Val);
300 extern int WriteUTF8(Uint8 *str, Uint32 Val);
301 extern int LookupString(char **Array, char *Needle);
302 extern Uint8 ByteSum(void *Ptr, int Size);
314 extern void *malloc(size_t size);
315 extern void *calloc(size_t num, size_t size);
316 extern void *realloc(void *ptr, size_t size);
317 extern void free(void *Ptr);
318 extern int IsHeap(void *Ptr);
328 extern int Module_LoadMem(void *Buffer, Uint Length, char *ArgStr);
329 extern int Module_LoadFile(char *Path, char *ArgStr);
336 * \name Time and Timing
340 * \brief Create a timestamp from a time
342 extern Sint64 timestamp(int sec, int mins, int hrs, int day, int month, int year);
344 extern int Time_CreateTimer(int Delta, void *Callback, void *Argument);
345 extern void Time_RemoveTimer(int ID);
346 extern void Time_Delay(int Delay);
353 * \name Threads and Processes
356 extern int Proc_SpawnWorker();
357 extern int Proc_Spawn(char *Path);
358 extern void Threads_Exit();
359 extern void Threads_Yield();
360 extern void Threads_Sleep();
361 extern int Threads_GetUID();
362 extern int Threads_GetGID();
363 extern int SpawnTask(tThreadFunction Function, void *Arg);
364 extern Uint *Threads_GetCfgPtr(int Id);
369 // --- Simple Math ---
370 extern int DivUp(int num, int dem);
372 #include <binary_ext.h>