usrconfig.c

au1500开发的应用程序

    cacheEnable (BRANCH_CACHE);			/* enable branch cache */
#endif	/* USER_B_CACHE_ENABLE */
#endif	/* (CPU == MC68060) */
#endif  /* INCLUDE_CACHE_SUPPORT */

    DEBUG_PRINTSTR("calling kernelInit...\n");
    
    /* start the kernel specifying usrRoot as the root task */

    kernelInit ((FUNCPTR) usrRoot, ROOT_STACK_SIZE,
		(char *) MEM_POOL_START_ADRS,
		sysMemTop (), ISR_STACK_SIZE, INT_LOCK_LEVEL);
    }

/*******************************************************************************
*
* usrRoot - the root task
*
* This is the first task to run under the multitasking kernel.  It performs
* all final initialization and then starts other tasks.
*
* It initializes the I/O system, installs drivers, creates devices, and sets
* up the network, etc., as necessary for a particular configuration.  It
* may also create and load the system symbol table, if one is to be included.
* It may then load and spawn additional tasks as needed.  In the default
* configuration, it simply initializes the VxWorks shell.
*
* RETURNS: N/A
*/

void usrRoot
    (
    char *	pMemPoolStart,		/* start of system memory partition */
    unsigned	memPoolSize		/* initial size of mem pool */
    )
    {
    char tyName [20];
    int  ix;

    DEBUG_PRINTSTR("entering usrRoot...\n");

    taskSRInit(DEFAULT_SR);

    /* Initialize the memory pool before initializing any other package.
     * The memory associated with the root task will be reclaimed at the
     * completion of its activities.
     */

#ifdef INCLUDE_MEM_MGR_FULL
    memInit (pMemPoolStart, memPoolSize);	/* initialize memory pool */
#else
    memPartLibInit (pMemPoolStart, memPoolSize);/* initialize memory pool */
#endif /* INCLUDE_MEM_MGR_FULL */

#ifdef	INCLUDE_SHOW_ROUTINES
    memShowInit ();				/* initialize memShow routine */
#endif	/* INCLUDE_SHOW_ROUTINES */

#if	defined(INCLUDE_MMU_BASIC) || defined(INCLUDE_MMU_FULL) || \
	defined(INCLUDE_MMU_MPU)
    usrMmuInit ();				/* initialize the mmu */
#endif	/* defined(INCLUDE_MMU_BASIC, INCLUDE_MMU_FULL, INCLUDE_MMU_MPU) */

    /* set up system timer */

    sysClkConnect ((FUNCPTR) usrClock, 0);	/* connect clock ISR */
    sysClkRateSet (SYS_CLK_RATE);	/* set system clock rate */
    sysClkEnable ();				/* start it */

#ifdef INCLUDE_FAST_DRAM
/*
 * make use of data cache as fast DRAM,
 * establish parameters in config.h, MMU
 * must be initialed before data cache is
 * initialized as data ram...
 */
  cacheCreateInternalDataRAM((UINT32 *)FD_ORIGIN, FD_NUMLINES);
#endif

    /*
     * The select library needs to be initialized before the tyLib module
     * since the _func_selWakeupListInit FUNCPTR is required (SPR #3314).
     * The installation of the select task delete hooks is performed
     * later in usrRoot() after NFS and RPC have been initialized.
     */

#ifdef  INCLUDE_SELECT
    selectInit (NUM_FILES);
#endif	/* INCLUDE_SELECT */

    /* initialize I/O system */

#ifdef  INCLUDE_IO_SYSTEM
    iosInit (NUM_DRIVERS, NUM_FILES, "/null");

    consoleFd = NONE;                           /* assume no console device */

#ifdef  INCLUDE_TYCODRV_5_2
#ifdef  INCLUDE_TTY_DEV
    if (NUM_TTY > 0)
	{
	tyCoDrv ();				/* install console driver */

	for (ix = 0; ix < NUM_TTY; ix++)	/* create serial devices */
	    {
	    sprintf (tyName, "%s%d", "/tyCo/", ix);

	    (void) tyCoDevCreate (tyName, ix, 512, 512);

	    if (ix == CONSOLE_TTY)
		strcpy (consoleName, tyName);	/* store console name */
	    }

	consoleFd = open (consoleName, O_RDWR, 0);

	/* set baud rate */

	(void) ioctl (consoleFd, FIOBAUDRATE, CONSOLE_BAUD_RATE);
	(void) ioctl (consoleFd, FIOSETOPTIONS, OPT_TERMINAL);
	}
#endif	/* INCLUDE_TTY_DEV */

#else   /* !INCLUDE_TYCODRV_5_2 */
#ifdef  INCLUDE_TTY_DEV
    if (NUM_TTY > 0)
	{
	ttyDrv();				/* install console driver */

	for (ix = 0; ix < NUM_TTY; ix++)	/* create serial devices */
	    {
#if     (defined(INCLUDE_WDB) && (WDB_COMM_TYPE == WDB_COMM_SERIAL))
	    if (ix == WDB_TTY_CHANNEL)		/* don't use WDBs channel */
		continue;
#endif
	    sprintf (tyName, "%s%d", "/tyCo/", ix);
	    (void) ttyDevCreate (tyName, sysSerialChanGet(ix), 512, 512);

	    if (ix == CONSOLE_TTY)		/* init the tty console */
		{
		strcpy (consoleName, tyName);
		consoleFd = open (consoleName, O_RDWR, 0);
		(void) ioctl (consoleFd, FIOBAUDRATE, CONSOLE_BAUD_RATE);
		(void) ioctl (consoleFd, FIOSETOPTIONS, OPT_TERMINAL);
		}
	    }
	}
#endif  /* INCLUDE_TTY_DEV */

#ifdef INCLUDE_PC_CONSOLE
    pcConDrv ();
    for (ix = 0; ix < N_VIRTUAL_CONSOLES; ix++)
	{
	sprintf (tyName, "%s%d", "/pcConsole/", ix);
	(void) pcConDevCreate (tyName,ix, 512, 512);
	if (ix == PC_CONSOLE)		/* init the console device */
	    {
	    strcpy (consoleName, tyName);
	    consoleFd = open (consoleName, O_RDWR, 0);
	    (void) ioctl (consoleFd, FIOBAUDRATE, CONSOLE_BAUD_RATE);
	    (void) ioctl (consoleFd, FIOSETOPTIONS, OPT_TERMINAL);
	    }
	}
#endif	/* INCLUDE_PC_CONSOLE */

#endif  /* !INCLUDE_TYCODRV_5_2 */

    ioGlobalStdSet (STD_IN,  consoleFd);
    ioGlobalStdSet (STD_OUT, consoleFd);
    ioGlobalStdSet (STD_ERR, consoleFd);
#endif  /* INCLUDE_IO_SYSTEM */

    /*----------------------------------------------------------------------
      !AFTER THIS POINT, CONSOLE SHOULD BE WORKING!
    ----------------------------------------------------------------------*/

    /* initialize symbol table facilities */

#ifdef	INCLUDE_SYM_TBL
    hashLibInit ();			/* initialize hash table package */
    symLibInit ();			/* initialize symbol table package */
#ifdef 	INCLUDE_SHOW_ROUTINES
    symShowInit ();			/* initialize symbol table show */
#endif	/* INCLUDE_SHOW_ROUTINES */
#endif	/* INCLUDE_SYM_TBL */

    /* initialize exception handling */

#if     defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK)
#ifdef	INCLUDE_EXC_SHOW
    excShowInit ();
#endif
    excInit ();				/* initialize exception handling */
#endif  /* defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK) */

#ifdef	INCLUDE_LSTLIB
    lstLibInit ();
#endif

#ifdef	INCLUDE_LOGGING
    logInit (consoleFd, MAX_LOG_MSGS);	/* initialize logging */
# ifdef	INCLUDE_LOG_STARTUP
    logMsg ("logging started to %s [%d], queue size %d\n",
            consoleName, consoleFd, MAX_LOG_MSGS, 4,5,6);
    taskDelay (2);	/* allow time for message to be displayed */
# endif	/* INCLUDE_LOG_STARTUP */
#endif	/* INCLUDE_LOGGING */

    /*----------------------------------------------------------------------
      !AFTER THIS POINT, YOU CAN USE LOGMSG!
    ----------------------------------------------------------------------*/

#ifdef	INCLUDE_SIGNALS
    sigInit ();				/* initialize signals */
#endif	/* INCLUDE_SIGNALS */

    /* initialize debugging */

#ifdef	INCLUDE_DEBUG
    dbgInit ();				/* initialize debugging */
#endif	/* INCLUDE_DEBUG */

    /* initialize pipe driver */

#ifdef	INCLUDE_PIPES
    pipeDrv ();				/* install pipe driver */
#endif	/* INCLUDE_PIPES */

    /* initialize standard I/O package */

#ifdef	INCLUDE_STDIO
    stdioInit ();			/* initialize standard I/O library */
#ifdef  INCLUDE_SHOW_ROUTINES
    stdioShowInit ();
#endif  /* INCLUDE_SHOW_ROUTINES */
#endif	/* INCLUDE_STDIO */

    /*----------------------------------------------------------------------
      !AFTER THIS POINT, YOU CAN USE STDIO ROUTINES(PRINTF, VSPRINTF ETC)!
    ----------------------------------------------------------------------*/

    /* initialize POSIX queued signals */

#if defined(INCLUDE_POSIX_SIGNALS) && defined(INCLUDE_SIGNALS)
    sigqueueInit (NUM_SIGNAL_QUEUES); /* initialize queued signals */
#endif

    /* initialize POSIX semaphores */

#ifdef  INCLUDE_POSIX_SEM
    semPxLibInit ();
#ifdef INCLUDE_SHOW_ROUTINES
    semPxShowInit ();
#endif  /* INCLUDE_SHOW_POUTINES */
#endif  /* INCLUDE_POSIX_SEM */

    /* initialize POSIX threads */

#ifdef INCLUDE_POSIX_PTHREADS
    pthreadLibInit ();
#endif  /* INCLUDE_POSIX_PTHREADS */

    /* initialize POSIX message queues */

#ifdef INCLUDE_POSIX_MQ
    mqPxLibInit (MQ_HASH_SIZE);
#ifdef INCLUDE_SHOW_ROUTINES
    mqPxShowInit ();
#endif  /* INCLUDE_SHOW_ROUTINES */
#endif  /* INCLUDE_POSIX_MQ */

    /* initialize POSIX async I/O support */

#ifdef INCLUDE_POSIX_AIO
    aioPxLibInit (MAX_LIO_CALLS);
#ifdef INCLUDE_POSIX_AIO_SYSDRV
    aioSysInit (MAX_AIO_SYS_TASKS, AIO_TASK_PRIORITY, AIO_TASK_STACK_SIZE);
#endif  /* INCLUDE_POSIX_AIO_SYSDRV */
#endif  /* INCLUDE_POSIX_AIO */

#ifdef INCLUDE_CBIO /* init main CBIO module, cbioLib() */
    cbioLibInit();
#endif INCLUDE_CBIO

    /* initialize filesystems and disk drivers */

#ifdef INCLUDE_DOSFS_MAIN  /* dosFs2 file system initialization */

    hashLibInit ();			/* initialize hash table package */

    /* First initialize the main dosFs module */

    dosFsLibInit( 0 );

    /* Initialize sub-modules */

    /* ensure that at least one directory handler is defined */

#   if ((!defined INCLUDE_DOSFS_DIR_VFAT) && \
        (!defined INCLUDE_DOSFS_DIR_FIXED))

#       define INCLUDE_DOSFS_DIR_VFAT  

#   endif 

    /* init VFAT (MS long file names) module */

#   ifdef INCLUDE_DOSFS_DIR_VFAT

    /* Sub-module: VFAT Directory Handler */

    dosVDirLibInit();

#   endif /* INCLUDE_DOSFS_DIR_VFAT */

    /* init strict 8.3 and vxLongNames handler */

#   ifdef INCLUDE_DOSFS_DIR_FIXED

    /* Sub-module: Vintage 8.3 and VxLong Directory Handler */

    dosDirOldLibInit();

#   endif /* INCLUDE_DOSFS_DIR_FIXED */

    /* Sub-module: FAT12/FAT16/FAT32 FAT Handler */

    dosFsFatInit();

#   ifdef INCLUDE_DOSFS_CHKDSK 

    /* Sub-module: Consistency check handler */

    dosChkLibInit();

#   endif /* INCLUDE_DOSFS_CHKDSK */

#   ifdef INCLUDE_DOSFS_FMT

    /* Sub-module: Formatter */

    dosFsFmtLibInit();           /* init dosFs scalable formatter */

#   endif /* INCLUDE_DOSFS_FMT */

#endif /* INCLUDE_DOSFS_MAIN */

    /* dosFs1 legacy code, dosFsInit(), usrDosFsOld.c */

#ifdef	INCLUDE_DOSFS
    hashLibInit ();			/* initialize hash table package */
    dosFsInit (NUM_DOSFS_FILES); 	/* init dosFs filesystem */
#endif	/* INCLUDE_DOSFS */

#ifdef	INCLUDE_RAWFS
    rawFsInit (NUM_RAWFS_FILES); 	/* init rawFs filesystem */
#endif	/* INCLUDE_RAWFS */

#ifdef	INCLUDE_RT11FS