X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Finclude%2Facess.h;h=31664769589bb3fe7946cbffb7c054d6faedd5c3;hb=4ac38b7ae3d361dc2456b866bdd1effb0dfa6ca0;hp=2bb60ca64b906d1dc5f605f583323d268d70468c;hpb=a79ebcb3a2e206251f44e99376ec2ed6c2bacc63;p=tpg%2Facess2.git diff --git a/Kernel/include/acess.h b/Kernel/include/acess.h index 2bb60ca6..31664769 100644 --- a/Kernel/include/acess.h +++ b/Kernel/include/acess.h @@ -1,14 +1,15 @@ /* * AcessOS Microkernel Version - * common.h + * acess.h */ -#ifndef _COMMON_H -#define _COMMON_H +#ifndef _ACESS_H +#define _ACESS_H #define NULL ((void*)0) -#define PACKED __attribute__ ((packed)) +#define PACKED __attribute__((packed)) +#define UNUSED(x) UNUSED_##x __attribute__((unused)) +#define offsetof(st, m) ((Uint)((char *)&((st *)(0))->m - (char *)0 )) -//#include #include #include #include "errno.h" @@ -19,6 +20,8 @@ typedef int tTID; typedef Uint tUID; typedef Uint tGID; typedef Sint64 tTimestamp; +typedef Sint64 tTime; +typedef struct sShortSpinlock tShortSpinlock; // --- Helper Macros --- /** @@ -84,12 +87,12 @@ typedef void (*tThreadFunction)(void*); * \{ */ typedef struct sKernelSymbol { - char *Name; - Uint Value; + const char *Name; + tVAddr Value; } tKernelSymbol; -#define EXPORT(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)_name} -#define EXPORTV(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)&_name} -#define EXPORTAS(_sym,_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (Uint)_sym} +#define EXPORT(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)_name} +#define EXPORTV(_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)&_name} +#define EXPORTAS(_sym,_name) tKernelSymbol _kexp_##_name __attribute__((section ("KEXPORT"),unused))={#_name, (tVAddr)_sym} /** * \} */ @@ -97,31 +100,33 @@ typedef struct sKernelSymbol { // === FUNCTIONS === // --- IRQs --- extern int IRQ_AddHandler(int Num, void (*Callback)(int)); +extern void IRQ_RemHandler(int Handle); // --- Logging --- -extern void Log_KernelPanic(char *Ident, char *Message, ...); -extern void Log_Panic(char *Ident, char *Message, ...); -extern void Log_Error(char *Ident, char *Message, ...); -extern void Log_Warning(char *Ident, char *Message, ...); -extern void Log_Notice(char *Ident, char *Message, ...); -extern void Log_Log(char *Ident, char *Message, ...); -extern void Log_Debug(char *Ident, char *Message, ...); +extern void Log_KernelPanic(const char *Ident, const char *Message, ...); +extern void Log_Panic(const char *Ident, const char *Message, ...); +extern void Log_Error(const char *Ident, const char *Message, ...); +extern void Log_Warning(const char *Ident, const char *Message, ...); +extern void Log_Notice(const char *Ident, const char *Message, ...); +extern void Log_Log(const char *Ident, const char *Message, ...); +extern void Log_Debug(const char *Ident, const char *Message, ...); // --- Debug --- /** * \name Debugging and Errors * \{ */ -extern void Debug_KernelPanic(); //!< Initiate a kernel panic -extern void Panic(char *Msg, ...); //!< Print a panic message (initiates a kernel panic) -extern void Warning(char *Msg, ...); //!< Print a warning message -extern void LogF(char *Fmt, ...); //!< Print a log message without a trailing newline -extern void Log(char *Fmt, ...); //!< Print a log message -extern void LogV(char *Fmt, va_list Args); //!< va_list Log message -extern void Debug_Enter(char *FuncName, char *ArgTypes, ...); -extern void Debug_Log(char *FuncName, char *Fmt, ...); -extern void Debug_Leave(char *FuncName, char RetType, ...); -extern void Debug_HexDump(char *Header, void *Data, Uint Length); +extern void Debug_KernelPanic(void); //!< Initiate a kernel panic +extern void Panic(const char *Msg, ...); //!< Print a panic message (initiates a kernel panic) +extern void Warning(const char *Msg, ...); //!< Print a warning message +extern void LogF(const char *Fmt, ...); //!< Print a log message without a trailing newline +extern void Log(const char *Fmt, ...); //!< Print a log message +extern void Debug(const char *Fmt, ...); //!< Print a debug message (doesn't go to KTerm) +extern void LogV(const char *Fmt, va_list Args); //!< va_list Log message +extern void Debug_Enter(const char *FuncName, const char *ArgTypes, ...); +extern void Debug_Log(const char *FuncName, const char *Fmt, ...); +extern void Debug_Leave(const char *FuncName, char RetType, ...); +extern void Debug_HexDump(const char *Header, const void *Data, Uint Length); #define UNIMPLEMENTED() Warning("'%s' unimplemented", __func__) #if DEBUG # define ENTER(_types...) Debug_Enter((char*)__func__, _types) @@ -173,7 +178,7 @@ extern Uint64 inq(Uint16 Port); * \param VAddr Virtual Address to allocate at * \return Physical address allocated */ -extern tPAddr MM_Allocate(tVAddr VAddr); +extern tPAddr MM_Allocate(tVAddr VAddr) __attribute__ ((warn_unused_result)); /** * \brief Deallocate a page * \param VAddr Virtual address to unmap @@ -192,12 +197,6 @@ extern int MM_Map(tVAddr VAddr, tPAddr PAddr); * \return Physical page mapped at \a Addr */ extern tPAddr MM_GetPhysAddr(tVAddr Addr); -/** - * \brief Checks is a memory range is user accessable - * \param VAddr Base address to check - * \return 1 if the memory is all user-accessable, 0 otherwise - */ -extern int MM_IsUser(tVAddr VAddr); /** * \brief Set the access flags on a page * \param VAddr Virtual address of the page @@ -205,6 +204,18 @@ extern int MM_IsUser(tVAddr VAddr); * \param Mask Flags to set */ extern void MM_SetFlags(tVAddr VAddr, Uint Flags, Uint Mask); +/** + * \brief Get the flags on a flag + * \param VAddr Virtual address of page + * \return Flags value of the page + */ +extern Uint MM_GetFlags(tVAddr VAddr); +/** + * \brief Checks is a memory range is user accessable + * \param VAddr Base address to check + * \return 1 if the memory is all user-accessable, 0 otherwise + */ +#define MM_IsUser(VAddr) (!(MM_GetFlags((VAddr))&MM_PFLAG_KERNEL)) /** * \brief Temporarily map a page into the address space * \param PAddr Physical addres to map @@ -241,10 +252,11 @@ extern void MM_UnmapHWPages(tVAddr VAddr, Uint Number); * \brief Allocate a single physical page * \return Physical address allocated */ -extern tPAddr MM_AllocPhys(); +extern tPAddr MM_AllocPhys(void); /** * \brief Allocate a contiguous range of physical pages * \param Pages Number of pages to allocate + * \param MaxBits Maximum number of address bits allowed * \return First physical address allocated */ extern tPAddr MM_AllocPhysRange(int Pages, int MaxBits); @@ -258,6 +270,12 @@ extern void MM_RefPhys(tPAddr PAddr); * \param PAddr Page to dereference */ extern void MM_DerefPhys(tPAddr PAddr); +/** + * \brief Get the number of times a page has been referenced + * \param PAddr Address to check + * \return Reference count for the page + */ +extern int MM_GetRefCount(tPAddr PAddr); /** * \} */ @@ -279,8 +297,8 @@ extern void *memsetd(void *dest, Uint32 val, size_t count); * \name Memory Validation * \{ */ -extern int CheckString(char *String); -extern int CheckMem(void *Mem, int Num); +extern int CheckString(const char *String); +extern int CheckMem(const void *Mem, int Num); /** * \} */ @@ -290,10 +308,19 @@ extern int CheckMem(void *Mem, int Num); * \name Endianness Swapping * \{ */ -extern Uint16 LittleEndian16(Uint16 Val); -extern Uint16 BigEndian16(Uint16 Val); -extern Uint32 LittleEndian32(Uint32 Val); -extern Uint32 BigEndian32(Uint32 Val); +#ifdef __BIG_ENDIAN__ +#define LittleEndian16(_val) SwapEndian16(_val) +#define LittleEndian32(_val) SwapEndian32(_val) +#define BigEndian16(_val) (_val) +#define BigEndian32(_val) (_val) +#else +#define LittleEndian16(_val) (_val) +#define LittleEndian32(_val) (_val) +#define BigEndian16(_val) SwapEndian16(_val) +#define BigEndian32(_val) SwapEndian32(_val) +#endif +extern Uint16 SwapEndian16(Uint16 Val); +extern Uint32 SwapEndian32(Uint32 Val); /** * \} */ @@ -305,51 +332,44 @@ extern Uint32 BigEndian32(Uint32 Val); */ extern int vsnprintf(char *__s, size_t __maxlen, const char *__format, va_list args); extern int sprintf(char *__s, const char *__format, ...); -extern Uint strlen(const char *Str); +extern size_t strlen(const char *Str); extern char *strcpy(char *__dest, const char *__src); extern char *strncpy(char *__dest, const char *__src, size_t max); extern int strcmp(const char *__str1, const char *__str2); extern int strncmp(const char *Str1, const char *Str2, size_t num); extern int strucmp(const char *Str1, const char *Str2); -extern char *strdup(const char *Str); +// strdup macro is defined in heap.h +extern char *_strdup(const char *File, int Line, const char *Str); extern char **str_split(const char *__str, char __ch); +extern char *strchr(const char *__s, int __c); extern int strpos(const char *Str, char Ch); extern int strpos8(const char *str, Uint32 search); -extern void itoa(char *buf, Uint num, int base, int minLength, char pad); +extern void itoa(char *buf, Uint64 num, int base, int minLength, char pad); extern int atoi(const char *string); -extern int ReadUTF8(Uint8 *str, Uint32 *Val); +extern int ReadUTF8(const Uint8 *str, Uint32 *Val); extern int WriteUTF8(Uint8 *str, Uint32 Val); -extern int ModUtil_SetIdent(char *Dest, char *Value); -extern int ModUtil_LookupString(char **Array, char *Needle); -extern Uint8 ByteSum(void *Ptr, int Size); +extern int ModUtil_SetIdent(char *Dest, const char *Value); +extern int ModUtil_LookupString(const char **Array, const char *Needle); + +extern Uint8 ByteSum(const void *Ptr, int Size); +extern int UnHex(Uint8 *Dest, size_t DestSize, const char *SourceString); /** * \} */ -extern Uint rand(); +extern int rand(void); extern int CallWithArgArray(void *Function, int NArgs, Uint *Args); // --- Heap --- -/** - * \name Heap - * \{ - */ -extern void *malloc(size_t size); -extern void *calloc(size_t num, size_t size); -extern void *realloc(void *ptr, size_t size); -extern void free(void *Ptr); -extern int IsHeap(void *Ptr); -/** - * \} - */ +#include // --- Modules --- /** * \name Modules * \{ */ -extern int Module_LoadMem(void *Buffer, Uint Length, char *ArgStr); -extern int Module_LoadFile(char *Path, char *ArgStr); +extern int Module_LoadMem(void *Buffer, Uint Length, const char *ArgStr); +extern int Module_LoadFile(const char *Path, const char *ArgStr); /** * \} */ @@ -363,9 +383,28 @@ extern int Module_LoadFile(char *Path, char *ArgStr); * \brief Create a timestamp from a time */ extern Sint64 timestamp(int sec, int mins, int hrs, int day, int month, int year); -extern Sint64 now(); -extern int Time_CreateTimer(int Delta, void *Callback, void *Argument); +/** + * \brief Gets the current timestamp (miliseconds since Midnight 1st January 1970) + */ +extern Sint64 now(void); +/** + * \brief Timer callback function + */ +typedef void (tTimerCallback)(void *); +/** + * \brief Creates a one-shot timer + * \param Delta Period of the timer + * \param Callback Function to call each time + * \param Argument Argument to pass to the callback + */ +extern int Time_CreateTimer(int Delta, tTimerCallback *Callback, void *Argument); +/** + * \brief Removed an active timer + */ extern void Time_RemoveTimer(int ID); +/** + * \brief Wait for a period of milliseconds + */ extern void Time_Delay(int Delay); /** * \} @@ -376,19 +415,19 @@ extern void Time_Delay(int Delay); * \name Threads and Processes * \{ */ -extern int Proc_SpawnWorker(); +extern int Proc_SpawnWorker(void); extern int Proc_Spawn(char *Path); -extern void Threads_Exit(); -extern void Threads_Yield(); -extern void Threads_Sleep(); -extern void Threads_WakeTID(tTID Thread); -extern tPID Threads_GetPID(); -extern tTID Threads_GetTID(); -extern tUID Threads_GetUID(); -extern tGID Threads_GetGID(); +extern void Threads_Exit(int TID, int Status); +extern void Threads_Yield(void); +extern void Threads_Sleep(void); +extern int Threads_WakeTID(tTID Thread); +extern tPID Threads_GetPID(void); +extern tTID Threads_GetTID(void); +extern tUID Threads_GetUID(void); +extern tGID Threads_GetGID(void); extern int SpawnTask(tThreadFunction Function, void *Arg); extern Uint *Threads_GetCfgPtr(int Id); -extern int Threads_SetName(char *NewName); +extern int Threads_SetName(const char *NewName); /** * \} */ @@ -399,5 +438,6 @@ extern int DivUp(int num, int dem); #include #include #include +#include #endif