bootconfig.c

这是ARM在Vxworks的驱动源代码

		if(!(((UINT32)ptr) % 0x4000))
			printf("-");
	}
	printf("finish\n");
	
}
#else
void sysLedConfig(void)
{
}
void dv_putc(char c)
{}
void dvStringOut (char *pMsg)
{}
void dvHexOut (UINT32 value)
{}
void dvHexDig (UINT8 value)
{
}
void dv_setbaud()
{
}
void dv_delay()
{
}

void dv_testmem(UINT32 *start, UINT32 *end)
{
}
#endif



/*******************************************************************************
*
* usrRoot - user-defined root task
*
* The root task performs any initialization that should be done
* subsequent to the kernel initialization.
*
* It initializes the I/O system, install drivers, create devices,
* sets up the network, etc., as necessary for the particular configuration.
* It may also create the system symbol table if one is to be included.
* Finally, it spawns the boot command loop task.
*
* NOMANUAL
*/

void usrRoot
    (
    char *      pMemPoolStart,          /* start of system memory partition */
    unsigned    memPoolSize             /* initial size of mem pool */
    )

    {
    char tyName [20];
    int ix;


#ifdef INCLUDE_END
    int count;
    END_TBL_ENTRY* pDevTbl;
#endif /* INCLUDE_END */
    /* 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.                                 
     */
    memInit (pMemPoolStart, memPoolSize);/* XXX select between memPartLibInit */
    /* set up system timer */

    sysClkConnect ((FUNCPTR) usrClock, 0);/* connect clock interrupt routine */
    sysClkRateSet (SYS_CLK_RATE); 	  /* set system clock rate */
    sysClkEnable ();			  /* start it */
    /*
     * 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 hook is not performed
     * for boot ROMs.
     */

#ifdef INCLUDE_SELECT
    selectInit (NUM_FILES);
#endif  /* INCLUDE_SELECT */
    /* initialize I/O and file system */

    iosInit (NUM_DRIVERS, NUM_FILES, "/null");
    consoleFd = NONE;
    /* install driver for on-board serial ports and make devices */

#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_ECHO | OPT_CRMOD | OPT_TANDEM | OPT_7_BIT);
        }
#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_ECHO | OPT_CRMOD | OPT_TANDEM | OPT_7_BIT);
                }
            }

        }
#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_ECHO | OPT_CRMOD | OPT_TANDEM | OPT_7_BIT);
            }
        }
#endif  /* INCLUDE_PC_CONSOLE */

#endif  /* !INCLUDE_TYCODRV_5_2 */
#ifdef INCLUDE_WDB
    wdbConfig();		/* configure and initialize the WDB agent */
    vxBootFile[0] = NULL;	/* clear boot line set by wdbConfig() */

#if defined(INCLUDE_TSFS_BOOT) && defined(INCLUDE_TSFS_BOOT_VIO_CONSOLE)
    consoleFd = open ("/vio/0", O_RDWR, 0);	/* for Target Server Console */
#endif
#endif	/* INCLUDE_WDB */
    ioGlobalStdSet (STD_IN,  consoleFd);
    ioGlobalStdSet (STD_OUT, consoleFd);
    ioGlobalStdSet (STD_ERR, consoleFd);

    pipeDrv ();					/* install pipe driver */
#if     defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK)
#ifdef  INCLUDE_EXC_SHOW
    excShowInit ();			/* init exception show routines */
#endif
    excInit ();				/* initialize exception handling */
#endif  /* defined(INCLUDE_EXC_HANDLING) && defined(INCLUDE_EXC_TASK) */

    excHookAdd ((FUNCPTR) bootExcHandler);	/* install exc handler */
    logInit (consoleFd, 5);			/* initialize logging */
/*	printf("passed logInit\n"); */
/*	printf("passed logInit\n"); */
#if 1
#ifdef	INCLUDE_DOSFS
    hashLibInit ();				/* hashLib used by dosFS */
#endif

    /* initialize object module loader */

#if	defined(INCLUDE_AOUT)
    bootAoutInit ();				/* use a.out format */
#else	/* coff or ecoff */
#if	defined(INCLUDE_ECOFF)
    bootEcoffInit ();				/* use ecoff format */
#else	/* coff */
#if	defined(INCLUDE_COFF)
    bootCoffInit ();				/* use coff format */
#else   /* coff */
#if	defined(INCLUDE_ELF)
    bootElfInit ();				/* use elf format */
#endif
#endif 						/* mips cpp no elif */
#endif
#endif
#endif
/*	printf("passed bootElfInit\n"); */
#ifdef  INCLUDE_PCMCIA                                       
                                                             
    pcmciaInit ();                      /* init PCMCIA Lib */

#endif /* INCLUDE_PCMCIA */
#if 1
#ifdef INCLUDE_END
    /* initialize the MUX */

    muxMaxBinds = MUX_MAX_BINDS;
    if (muxLibInit() == ERROR)
	return;                              /* can't return ERROR */

    /* Initialize all the available devices. */
    for (count = 0, pDevTbl = endDevTbl; pDevTbl->endLoadFunc != END_TBL_END;
         pDevTbl++, count++)
        {
        printf("uint=%d,endLoadString:%s\n", pDevTbl->unit, pDevTbl->endLoadString);
        cookieTbl[count].pCookie = muxDevLoad (pDevTbl->unit, pDevTbl->endLoadFunc,
                                       pDevTbl->endLoadString,
                                       pDevTbl->endLoan, pDevTbl->pBSP);
        if (cookieTbl[count].pCookie == NULL)
            {
            printf ("muxLoad failed!\n");
            }

        cookieTbl[count].unitNo=pDevTbl->unit;
	bzero((void *)cookieTbl[count].devName,END_NAME_MAX);
	pDevTbl->endLoadFunc((char*)cookieTbl[count].devName, NULL);

        }
#endif /* INCLUDE_END */
#endif
    printf("to create task bootCmdLoop\n");
    taskSpawn ("tBoot", bootCmdTaskPriority, bootCmdTaskOptions,
		bootCmdTaskStackSize, (FUNCPTR) bootCmdLoop,
		0,0,0,0,0,0,0,0,0,0);

    }
/*******************************************************************************
*
* usrClock - user defined system clock interrupt routine
*
* This routine is called at interrupt level on each clock interrupt.  It is
* installed a call to sysClkConnect().  It calls any other facilities that
* need to know about clock ticks, including the kernel itself.
*
* If the application needs anything to happen at clock interrupt level,
* it should be added to this routine.
*
* NOMANUAL
*/

void usrClock (void)

    {
    tickAnnounce ();	/* announce system tick to kernel */
    }
/*******************************************************************************
*
* bootCmdLoop - read and execute user commands forever (until boot)
*/

LOCAL void bootCmdLoop (void)

    {
    BOOT_PARAMS params;
    char line [BOOT_CMD_MAX_LINE];
    char *pLine;
    int nwords;
    int nbytes;
    int value;
    int adr;
    int adr2;
    FUNCPTR entry;
    char key = 0;

    /* flush standard input to get rid of any garbage;
     * E.g. the Heurikon HKV2F gets junk in USART if no terminal connected.
     */
	printf("entered bootCmdLoop!\n");
    /*(void) ioctl (STD_IN, FIOFLUSH, 0 *//*XXX*//*);*/

    if (sysStartType & BOOT_CLEAR)
	printBootLogo ();

    usrBootLineInit (sysStartType);


    /* print out any new exception message -
     * the first byte is zeroed after printing so that we won't print
     * it again automatically.  However, 'e' command will still print out
     * the remainder. */

    printExcMsg (sysExcMsg);
    *sysExcMsg = EOS;		/* indicate exception message is old */



    /* start autoboot, unless no-autoboot specified */

    bootStringToStruct (BOOT_LINE_ADRS, &params);
    sysFlags = params.flags;

#if defined(INCLUDE_TSFS_BOOT) && defined(INCLUDE_TSFS_BOOT_VIO_CONSOLE)

    /* Wait for Target Server connection */

    while (!wdbTargetIsConnected())
    	taskDelay (sysClkRateGet());

    /*
     * disable the auto-boot mechanism, because the Target Server may not have
     * time to start its VIO Console before the end of the auto-boot coutdown.
     */

    sysStartType |= BOOT_NO_AUTOBOOT;
#endif

    if (!(sysStartType & BOOT_NO_AUTOBOOT) &&
	!(sysFlags & SYSFLG_NO_AUTOBOOT))
	{
	int timeout = TIMEOUT;

	if ((sysStartType & BOOT_QUICK_AUTOBOOT) ||
	    (sysFlags & SYSFLG_QUICK_AUTOBOOT))
	    {
	    timeout = 1;
	    }

	key = autoboot (timeout);	/* doesn't return if successful */
	}


    /* If we're here, either we aren't auto-booting, or we got an error
     * auto-booting, or the auto-booting was stopped. */

    /* put console in line mode */

    (void) ioctl (consoleFd, FIOSETOPTIONS, OPT_TERMINAL);

    /* read and execute the ROM commands */

    printf ("\n");

    FOREVER
	{
	if (key == '@')
	    {
	    line [0] = key;
	    line [1] = EOS;
	    key = 0;
	    }
	else
	    {
	    printf ("[VxWorks Boot]: ");
	    fioRdString (STD_IN, line, sizeof (line));
	    }

	adr = adr2 = 0;
	nwords = 0;

	/* take blanks off end of line */

	pLine = line + strlen (line) - 1;		/* point at last char */
	while ((pLine >= line) && (*pLine == ' '))
	    {
	    *pLine = EOS;
	    pLine--;
	    }

	pLine = line;
	skipSpace (&pLine);

	switch (*(pLine++))
	    {
	    case EOS:		/* blank line */
		break;

	    case 'd':		/* display */
		if ((getArg (&pLine, &adr, HEX, OPT) == OK) &&
		    (getArg (&pLine, &nwords, DEC, OPT) == OK))
		    d ((char *) adr, nwords);
		break;

	    case 'e':		/* exception */
		printExcMsg (sysExcMsg + 1);
		break;

	    case 'f':		/* fill */
		if ((getArg (&pLine, &adr, HEX, !OPT) == OK) &&
		    (getArg (&pLine, &nbytes, DEC, !OPT) == OK) &&
		    (getArg (&pLine, &value, DEC, !OPT) == OK))
		    {
		    bfillBytes ((char *) adr, nbytes, value);
		    }