const.h

用于TM1300/PNX1300系列DSP（主要用于视频处理）的操作系统pSOS。包括全部源码

/************************************************************************/
/*									*/
/*   MODULE:  CONST.H							*/
/*   PRODUCT: PSOS/POWERPC						*/
/*   PURPOSE: DEFINE CONSTANTS USED BY PSOS.				*/
/*                                                                     	*/
/*----------------------------------------------------------------------*/
/*                                                                     	*/
/*           Copyright 1991, 1992, 1994, Integrated Systems, Inc.      	*/
/*                      ALL RIGHTS RESERVED                            	*/
/*                                                                     	*/
/*   Permission is hereby granted to licensees of Integrated Systems,  	*/
/*   Inc. products to use or abstract this computer program for the    	*/
/*   sole purpose of implementing a product based on Integrated        	*/
/*   Systems, Inc. products.   No other rights to reproduce, use,      	*/
/*   or disseminate this computer program, whether in part or in       	*/
/*   whole, are granted.                                               	*/
/*                                                                     	*/
/*   Integrated Systems, Inc. makes no representation or warranties    	*/
/*   with respect to the performance of this computer program, and     	*/
/*   specifically disclaims any responsibility for any damages,        	*/
/*   special or consequential, connected with the use of this program. 	*/
/*                                                                     	*/
/************************************************************************/
#ifndef _PSOS_CONST_H
#define _PSOS_CONST_H


#ifdef	_kernel

#ifndef TRUE
#define TRUE    1
#endif

#ifndef FALSE
#define FALSE   0
#endif

#ifndef NO_ERR		/* WvH: TM merge: necessary? */
#define NO_ERR  0
#endif

#ifndef YES
#define YES     TRUE
#endif

#ifndef NO
#define NO      FALSE
#endif

#endif

/*----------------------------------------------------------------------*/
/* KEYS FOR VALIDATION.                                                 */
/*----------------------------------------------------------------------*/
#define ASR_KEY     0x9999      /* ASR KEY*/
#define RPKT_KEY    0x11111111  /* REPLY KEY*/

/*----------------------------------------------------------------------*/
/* SYSTEM COMPATABLITY CODE FOR VERIFY PACKET                           */
/*----------------------------------------------------------------------*/
#define SYS_COMPAT  0x05221993

/*----------------------------------------------------------------------*/
/* REGION 0 ID NUMBER                                                   */
/*----------------------------------------------------------------------*/
#define RGN0_ID 0

/*----------------------------------------------------------------------*/
/* FPU BIT POSITION IN CPUTYPE FIELD OF THE NODE CONFIG TABLE.		*/
/*----------------------------------------------------------------------*/
#define FPU_BIT     8       /* 0 = NO FPU; 1 = FPU PRESENT */
#define FPU_MASK    (1 << FPU_BIT)

#define MMU_BIT     9       /* 0 = NO MMU; 1 = MMU PRESENT */
#define MMU_MASK    (1 << MMU_BIT)

/*----------------------------------------------------------------------*/
/* BIT POSITIONS FOR FLAG FIELD.                                        */
/*----------------------------------------------------------------------*/
#define GLOB_BIT    0       /*   GLOBAL OBJECT*/
#define COP_BIT     1       /*   COPROCESSOR USED BY TASK*/
#define PRI_BIT     1       /*   PRIORITY Q, 0 FIF0*/
#define LMT_BIT     2       /*   QUEUE LIMIT, 0 UNLIMITED*/
#define RESV_BIT    3       /*   RESERVE SYSTEM BUFFERS*/
#define NOWAIT_BIT  0       /*   NO WAIT, 0 WAIT*/
#define ANY_BIT     1       /*   WAITING FOR ANY EVENTS*/
#define DEL_BIT     2       /*   DELETE REGION/PARTITION WITH OUT- */
                            /*   STANDING SEGMENTS OR BUFFERS */
#define BOUND_BIT   2	    /*   BOUNDED SEMAPHORE */
#define SYSOBJ_BIT  4       /*   SYSTEM OBJECT */
#define	NORELMU_BIT 5	    /*   RLEASE ALL THE MUTEXES */
#define	DONTDQ_BIT  2	    /*   DO NOT DEQUEU THE MESSAGE */

/*----------------------------------------------------------------------*/
/* BIT MASKS FOR FLAG FIELD.                                            */
/*----------------------------------------------------------------------*/
#define GLOB_MASK    (1 << GLOB_BIT)
#define COP_MASK     (1 << COP_BIT)
#define PRI_MASK     (1 << PRI_BIT)
#define LMT_MASK     (1 << LMT_BIT)
#define RESV_MASK    (1 << RESV_BIT)
#define NOWAIT_MASK  (1 << NOWAIT_BIT)
#define ANY_MASK     (1 << ANY_BIT)
#define DEL_MASK     (1 << DEL_BIT)
#define SYSOBJ_MASK  (1 << SYSOBJ_BIT)
#define	BOUNDED_MASK (1 << BOUND_BIT)
#define	NORELMU_MASK (1 << NORELMU_BIT)
#define	DONTDQ_MASK  (1 << DONTDQ_BIT)

#define COND_MASK   2
#define FNOWAIT     1       /*   NOWAIT OPTION SET*/

/*----------------------------------------------------------------------*/
/* BIT POSITIONS FOR RACE CONDITIONS, AGENTS, TICKS & PACKETS.		*/
/*----------------------------------------------------------------------*/
#define TICK_BIT    0       /* A TICK TO BE PROCESSED*/
#define AGT_BIT     1       /* AN AGENT TO BE PROCESSED.*/
#define PKT_BIT     2       /* A PACKET TO BE PROCESSED.*/
#define EV_BIT      4       /* EV_SEND/EV_RECEIVE RACE*/
#define QX_BIT      5       /* Q_SEND/Q_RECEIVE RACE*/
#define TERM_BIT    6       /* TERMINATED NODES TO BE PROCESSED */
#define QVX_BIT     7       /* Q_VSEND/Q_VRECEIVE RACE*/
#define	CV_BIT	    8	    /* DEFERRED CV WAKEUP */

/*----------------------------------------------------------------------*/
/* BIT MASKS FOR RACE CONDITIONS, AGENTS, TICKS & PACKETS.		*/
/*----------------------------------------------------------------------*/
#define TICK_MASK   (1 << TICK_BIT)	/* A TICK TO BE PROCESSED*/
#define AGT_MASK    (1 << AGT_BIT)   	/* AN AGENT TO BE PROCESSED.*/
#define PKT_MASK    (1 << PKT_BIT)   	/* A PACKET TO BE PROCESSED.*/
#define EV_MASK     (1 << EV_BIT)     	/* EV_SEND/EV_RECEIVE RACE*/
#define QX_MASK     (1 << QX_BIT)    	/* Q_SEND/Q_RECEIVE RACE*/
#define TERM_MASK   (1 << TERM_BIT)   	/* TERMINATED NODES TO BE PROCESSED */
#define QVX_MASK    (1 << QVX_BIT)    	/* Q_VSEND/Q_VRECEIVE RACE*/
#define	CV_MASK	    (1 << CV_BIT)	/* DEFERRED CV WAKEUP */

/*----------------------------------------------------------------------*/
/* TIMER BUCKETS > MUST BE POWER OF 2 <                                 */
/*----------------------------------------------------------------------*/
#define WHEELSIZE   64

/*----------------------------------------------------------------------*/
/* Number of software registers (both user & system) defined in TCB 	*/
/*----------------------------------------------------------------------*/
#define MAX_REGS   	16

/*----------------------------------------------------------------------*/
/* Maximun task priority						*/
/*----------------------------------------------------------------------*/
#define MAX_PRIORITY   	255

/*----------------------------------------------------------------------*/
/* Maximum time slice value						*/
/*----------------------------------------------------------------------*/
#define MAX_TSLICE	0xFFFF

/*----------------------------------------------------------------------*/
/* DEFAULT ROOT TASK PRIORITY						*/
/*----------------------------------------------------------------------*/
#define DFLT_ROOTPRI    230

/*----------------------------------------------------------------------*/
/* MAX. # OF PACKET TYPES.                                              */
/*----------------------------------------------------------------------*/
#define MAX_PKTYPE      16            /* MAX. # OF PACKET TYPES. */

/*----------------------------------------------------------------------*/
/* STATE INDICATOR (KD_STATE) ENUMERATIONS				*/
/*----------------------------------------------------------------------*/
#define JOINING         0	/* NODE IS WAITING FOR JOIN REPLY PACKET */
#define ALIVE           1	/* NODE IS OPERATING NORMALLY */
#define SUICIDE         2	/* NODE HAS CALLED KI TO SEND A SUICIDE PKT */
#define USRHNDLR        3	/* NODE HAS CALLED USR PROVIDED FATAL ERROR */
				/* HANDLER */
#define PRBHNDLR        4	/* NODE HAS CALLED pROBE FATAL ERROR HANDLER */
#define ZERODIV         5	/* NODE HAS EXECUTED ZERO-DIVIDE INSTRUCTION */
#define STOPPED         6	/* NODE HAS EXECUTED A STOP INSTRUCTION */

/*----------------------------------------------------------------------*/
/* BIT NUMBERS FOR KD_MCFLAGS (MPCT ENTRY)				*/
/*----------------------------------------------------------------------*/
#define KICALLOUT_MASK  1	/* TELLS WHETHER TO CALL KI_ROSTER SERVICE */