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nn-usb-fpga/plasma/kernel/rtos.h
Carlos Camargo 22c469585b Adding plasma example
2010-04-21 20:01:38 -05:00

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/*--------------------------------------------------------------------
* TITLE: Plasma Real Time Operating System
* AUTHOR: Steve Rhoads (rhoadss@yahoo.com)
* DATE CREATED: 12/17/05
* FILENAME: rtos.h
* PROJECT: Plasma CPU core
* COPYRIGHT: Software placed into the public domain by the author.
* Software 'as is' without warranty. Author liable for nothing.
* DESCRIPTION:
* Plasma Real Time Operating System
*--------------------------------------------------------------------*/
#ifndef __RTOS_H__
#define __RTOS_H__
// Symmetric Multi-Processing
#define OS_CPU_COUNT 1
// Typedefs
typedef unsigned int uint32;
typedef unsigned short uint16;
typedef unsigned char uint8;
// Memory Access
#ifdef WIN32
uint32 MemoryRead(uint32 Address);
void MemoryWrite(uint32 Address, uint32 Value);
#else
#define MemoryRead(A) (*(volatile uint32*)(A))
#define MemoryWrite(A,V) *(volatile uint32*)(A)=(V)
#endif
/***************** LibC ******************/
#if !defined(_LIBC) && !defined(_CTYPE_DEFINED)
#define printf UartPrintf
//#define printf UartPrintfPoll
#define scanf UartScanf
#ifndef WIN32
#define malloc(S) OS_HeapMalloc(NULL, S)
#define free(S) OS_HeapFree(S)
#endif
#ifndef NULL
#define NULL (void*)0
#endif
#define assert(A) if((A)==0){OS_Assert();UartPrintfCritical("\r\nAssert %s:%d\r\n", __FILE__, __LINE__);}
#define isprint(c) (' '<=(c)&&(c)<='~')
#define isspace(c) ((c)==' '||(c)=='\t'||(c)=='\n'||(c)=='\r')
#define isdigit(c) ('0'<=(c)&&(c)<='9')
#define islower(c) ('a'<=(c)&&(c)<='z')
#define isupper(c) ('A'<=(c)&&(c)<='Z')
#define isalpha(c) (islower(c)||isupper(c))
#define isalnum(c) (isalpha(c)||isdigit(c))
#undef min
#define min(a,b) ((a)<(b)?(a):(b))
#define strcpy strcpy2 //don't use intrinsic functions
#define strcat strcat2
#define strncat strncat2
#define strcmp strcmp2
#define strlen strlen2
#define memcpy memcpy2
#define memcmp memcmp2
#define memset memset2
#define abs abs2
#define atoi atoi2
char *strcpy(char *dst, const char *src);
char *strncpy(char *dst, const char *src, int count);
char *strcat(char *dst, const char *src);
char *strncat(char *dst, const char *src, int count);
int strcmp(const char *string1, const char *string2);
int strncmp(const char *string1, const char *string2, int count);
char *strstr(const char *string, const char *find);
int strlen(const char *string);
void *memcpy(void *dst, const void *src, unsigned long bytes);
void *memmove(void *dst, const void *src, unsigned long bytes);
int memcmp(const void *cs, const void *ct, unsigned long bytes);
void *memset(void *dst, int c, unsigned long bytes);
int abs(int n);
int rand(void);
void srand(unsigned int seed);
long strtol(const char *s, char **end, int base);
int atoi(const char *s);
char *itoa(int num, char *dst, int base);
#ifndef NO_ELLIPSIS
int sprintf(char *s, const char *format, ...);
int sscanf(const char *s, const char *format, ...);
#endif
#ifdef INCLUDE_DUMP
void dump(const unsigned char *data, int length);
#endif
#ifdef INCLUDE_QSORT
void qsort(void *base,
long n,
long size,
int (*cmp)(const void *,const void *));
void *bsearch(const void *key,
const void *base,
long n,
long size,
int (*cmp)(const void *,const void *));
#endif
#ifdef INCLUDE_TIMELIB
#define difftime(time2,time1) (time2-time1)
typedef unsigned long time_t; //start at 1/1/80
struct tm {
int tm_sec; //(0,59)
int tm_min; //(0,59)
int tm_hour; //(0,23)
int tm_mday; //(1,31)
int tm_mon; //(0,11)
int tm_year; //(0,n) from 1900
int tm_wday; //(0,6) calculated
int tm_yday; //(0,365) calculated
int tm_isdst; // calculated
};
time_t mktime(struct tm *tp);
void gmtime_r(const time_t *tp, struct tm *out);
void gmtimeDst(time_t dstTimeIn, time_t dstTimeOut);
void gmtimeDstSet(time_t *tp, time_t *dstTimeIn, time_t *dstTimeOut);
#endif
#define _LIBC
#endif //_LIBC
/***************** Assembly **************/
typedef uint32 jmp_buf[20];
extern uint32 OS_AsmInterruptEnable(uint32 state);
extern void OS_AsmInterruptInit(void);
extern int setjmp(jmp_buf env);
extern void longjmp(jmp_buf env, int val);
extern uint32 OS_AsmMult(uint32 a, uint32 b, unsigned long *hi);
extern void *OS_Syscall();
/***************** Heap ******************/
#define HEAP_USER (void*)0
#define HEAP_SYSTEM (void*)1
#define HEAP_SMALL (void*)2
#define HEAP_UI (void*)3
typedef struct OS_Heap_s OS_Heap_t;
OS_Heap_t *OS_HeapCreate(const char *name, void *memory, uint32 size);
void OS_HeapDestroy(OS_Heap_t *heap);
void *OS_HeapMalloc(OS_Heap_t *heap, int bytes);
void OS_HeapFree(void *block);
void OS_HeapAlternate(OS_Heap_t *heap, OS_Heap_t *alternate);
void OS_HeapRegister(void *index, OS_Heap_t *heap);
/***************** Critical Sections *****************/
#if OS_CPU_COUNT <= 1
// Single CPU
#define OS_CpuIndex() 0
#define OS_CriticalBegin() OS_AsmInterruptEnable(0)
#define OS_CriticalEnd(S) OS_AsmInterruptEnable(S)
#define OS_SpinLock() 0
#define OS_SpinUnlock(S)
#else
// Symmetric multiprocessing
uint32 OS_CpuIndex(void);
#define OS_CriticalBegin() OS_SpinLock()
#define OS_CriticalEnd(S) OS_SpinUnlock(S)
uint32 OS_SpinLock(void);
void OS_SpinUnlock(uint32 state);
#endif
/***************** Thread *****************/
#ifdef WIN32
#define STACK_SIZE_MINIMUM (1024*4)
#else
#define STACK_SIZE_MINIMUM (1024*1)
#endif
#define STACK_SIZE_DEFAULT 1024*2
#undef THREAD_PRIORITY_IDLE
#define THREAD_PRIORITY_IDLE 0
#define THREAD_PRIORITY_MAX 255
typedef void (*OS_FuncPtr_t)(void *arg);
typedef struct OS_Thread_s OS_Thread_t;
OS_Thread_t *OS_ThreadCreate(const char *name,
OS_FuncPtr_t funcPtr,
void *arg,
uint32 priority,
uint32 stackSize);
void OS_ThreadExit(void);
OS_Thread_t *OS_ThreadSelf(void);
void OS_ThreadSleep(int ticks);
uint32 OS_ThreadTime(void);
void OS_ThreadInfoSet(OS_Thread_t *thread, uint32 index, void *info);
void *OS_ThreadInfoGet(OS_Thread_t *thread, uint32 index);
uint32 OS_ThreadPriorityGet(OS_Thread_t *thread);
void OS_ThreadPrioritySet(OS_Thread_t *thread, uint32 priority);
void OS_ThreadProcessId(OS_Thread_t *thread, uint32 processId, OS_Heap_t *heap);
void OS_ThreadTick(void *arg);
void OS_ThreadCpuLock(OS_Thread_t *thread, int cpuIndex);
/***************** Semaphore **************/
#define OS_SUCCESS 0
#define OS_ERROR -1
#define OS_WAIT_FOREVER -1
#define OS_NO_WAIT 0
typedef struct OS_Semaphore_s OS_Semaphore_t;
OS_Semaphore_t *OS_SemaphoreCreate(const char *name, uint32 count);
void OS_SemaphoreDelete(OS_Semaphore_t *semaphore);
int OS_SemaphorePend(OS_Semaphore_t *semaphore, int ticks); //tick ~= 10ms
void OS_SemaphorePost(OS_Semaphore_t *semaphore);
/***************** Mutex ******************/
typedef struct OS_Mutex_s OS_Mutex_t;
OS_Mutex_t *OS_MutexCreate(const char *name);
void OS_MutexDelete(OS_Mutex_t *semaphore);
void OS_MutexPend(OS_Mutex_t *semaphore);
void OS_MutexPost(OS_Mutex_t *semaphore);
/***************** MQueue *****************/
enum {
MESSAGE_TYPE_USER = 0,
MESSAGE_TYPE_TIMER = 5
};
typedef struct OS_MQueue_s OS_MQueue_t;
OS_MQueue_t *OS_MQueueCreate(const char *name,
int messageCount,
int messageBytes);
void OS_MQueueDelete(OS_MQueue_t *mQueue);
int OS_MQueueSend(OS_MQueue_t *mQueue, void *message);
int OS_MQueueGet(OS_MQueue_t *mQueue, void *message, int ticks);
/***************** Job ********************/
void OS_Job(void (*funcPtr)(), void *arg0, void *arg1, void *arg2);
/***************** Timer ******************/
typedef struct OS_Timer_s OS_Timer_t;
typedef void (*OS_TimerFuncPtr_t)(OS_Timer_t *timer, uint32 info);
OS_Timer_t *OS_TimerCreate(const char *name, OS_MQueue_t *mQueue, uint32 info);
void OS_TimerDelete(OS_Timer_t *timer);
void OS_TimerCallback(OS_Timer_t *timer, OS_TimerFuncPtr_t callback);
void OS_TimerStart(OS_Timer_t *timer, uint32 ticks, uint32 ticksRestart);
void OS_TimerStop(OS_Timer_t *timer);
/***************** ISR ********************/
#define STACK_EPC 88/4
void OS_InterruptServiceRoutine(uint32 status, uint32 *stack);
void OS_InterruptRegister(uint32 mask, OS_FuncPtr_t funcPtr);
uint32 OS_InterruptStatus(void);
uint32 OS_InterruptMaskSet(uint32 mask);
uint32 OS_InterruptMaskClear(uint32 mask);
/***************** Init ******************/
void OS_Init(uint32 *heapStorage, uint32 bytes);
void OS_Start(void);
void OS_Assert(void);
void OS_DebuggerInit(void);
void MainThread(void *Arg);
/***************** MMU ******************/
typedef struct {
const char *name;
OS_FuncPtr_t funcPtr;
void *arg;
uint32 priority;
uint32 stackSize;
uint32 heapSize;
uint32 processId;
OS_Semaphore_t *semaphoreDone;
uint8 *memory; //private
OS_Heap_t *heap; //private
OS_Thread_t *thread; //private
} OS_Process_t;
void OS_MMUInit(void);
void OS_MMUMemoryRegister(uint32 processId,
uint32 virtualAddress,
uint32 physicalAddress,
uint32 size,
uint32 writable);
OS_Process_t *OS_MMUProcessCreate(OS_Process_t *process);
void OS_MMUProcessDelete(OS_Process_t *process);
void OS_MMUUartPrintf();
void OS_MMUUartScanf();
void OS_MMUUartPrintfCritical();
/***************** UART ******************/
typedef uint8* (*PacketGetFunc_t)(void);
void UartInit(void);
void UartWrite(int ch);
uint8 UartRead(void);
void UartWriteData(uint8 *data, int length);
void UartReadData(uint8 *data, int length);
#ifndef NO_ELLIPSIS2
void UartPrintf(const char *format, ...);
void UartPrintfPoll(const char *format, ...);
void UartPrintfCritical(const char *format, ...);
void UartPrintfNull(const char *format, ...);
void UartScanf(const char *format, ...);
#endif
void UartPacketConfig(PacketGetFunc_t packetGetFunc,
int packetSize,
OS_MQueue_t *mQueue);
void UartPacketSend(uint8 *data, int bytes);
#ifdef WIN32
#define puts puts2
#define getch getch2
#define kbhit kbhit2
#endif
int puts(const char *string);
int getch(void);
int kbhit(void);
void LogWrite(int a);
void LogDump(void);
void Led(int mask, int value);
/***************** Keyboard **************/
#define KEYBOARD_RAW 0x100
#define KEYBOARD_E0 0x200
#define KEYBOARD_RELEASE 0x400
void KeyboardInit(void);
int KeyboardGetch(void);
/***************** Math ******************/
//IEEE single precision floating point math
#ifndef WIN32
#define FP_Neg __negsf2
#define FP_Add __addsf3
#define FP_Sub __subsf3
#define FP_Mult __mulsf3
#define FP_Div __divsf3
#define FP_ToLong __fixsfsi
#define FP_ToFloat __floatsisf
#define sqrt FP_Sqrt
#define cos FP_Cos
#define sin FP_Sin
#define atan FP_Atan
#define log FP_Log
#define exp FP_Exp
#endif
float FP_Neg(float a_fp);
float FP_Add(float a_fp, float b_fp);
float FP_Sub(float a_fp, float b_fp);
float FP_Mult(float a_fp, float b_fp);
float FP_Div(float a_fp, float b_fp);
long FP_ToLong(float a_fp);
float FP_ToFloat(long af);
int FP_Cmp(float a_fp, float b_fp);
float FP_Sqrt(float a);
float FP_Cos(float rad);
float FP_Sin(float rad);
float FP_Atan(float x);
float FP_Atan2(float y, float x);
float FP_Exp(float x);
float FP_Log(float x);
float FP_Pow(float x, float y);
/***************** Filesys ******************/
#ifdef INCLUDE_FILESYS
#define FILE OS_FILE
#define fopen OS_fopen
#define fclose OS_fclose
#define fread OS_fread
#define fwrite OS_fwrite
#define fseek OS_fseek
#endif
#define _FILESYS_
typedef struct OS_FILE_s OS_FILE;
OS_FILE *OS_fopen(char *name, char *mode);
void OS_fclose(OS_FILE *file);
int OS_fread(void *buffer, int size, int count, OS_FILE *file);
int OS_fwrite(void *buffer, int size, int count, OS_FILE *file);
int OS_fseek(OS_FILE *file, int offset, int mode);
int OS_fmkdir(char *name);
int OS_fdir(OS_FILE *dir, char name[64]);
void OS_fdelete(char *name);
int OS_flength(char *entry);
/***************** Flash ******************/
void FlashRead(uint16 *dst, uint32 byteOffset, int bytes);
void FlashWrite(uint16 *src, uint32 byteOffset, int bytes);
void FlashErase(uint32 byteOffset);
#endif //__RTOS_H__
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