bootconfig.c

Vxworks下BSP源码

    PPP_STR_PAP_USER_NAME,	/* Set username for PAP auth with peer */
    PPP_STR_PAP_PASSWD,		/* Set password for PAP auth with peer */
    PPP_STR_PAP_RESTART,	/* Set timeout for PAP */
    PPP_STR_PAP_MAX_AUTHREQ,	/* Set max # xmits for PAP auth-reqs */
    PPP_STR_CHAP_FILE,		/* Set the CHAP secrets file */
    PPP_STR_CHAP_RESTART,	/* Set timeout for CHAP */
    PPP_STR_CHAP_INTERVAL,	/* Set interval for CHAP rechallenge */
    PPP_STR_CHAP_MAX_CHALLENGE	/* Set max # xmits for CHAP challenge */
    };
 
#endif  /* INCLUDE_PPP */

#endif  /* INCLUDE_NETWORK */

/* forward declarations */

#ifdef __STDC__

void 		usrRoot (char *pMemPoolStart, unsigned memPoolSize);
void 		usrClock (void);
void		usrKernelInit (void);
LOCAL void	bootCmdLoop (void);
LOCAL char	autoboot (int timeout);
LOCAL void	printBootLogo (void);
LOCAL void	bootHelp (void);
LOCAL STATUS	bootLoad (char *bootString, FUNCPTR *pEntry);
LOCAL void	go (FUNCPTR entry);
LOCAL void	m (char *adrs);
LOCAL void	d (char *adrs, int nwords);
LOCAL void	bootExcHandler (int tid);
LOCAL void	skipSpace (char **strptr);
LOCAL void	printExcMsg (char *string);
LOCAL STATUS	getArg (char **ppString, int *pValue, BOOL defaultHex,
			BOOL optional);
LOCAL void	usrBootLineInit (int startType);
LOCAL STATUS	usrBootLineCrack (char *bootString, BOOT_PARAMS *pParams);

#ifdef  INCLUDE_NETWORK
LOCAL STATUS	netLoad (char *hostName, char *fileName, char *usr, 
			 char *passwd, FUNCPTR *pEntry);
LOCAL void	netifAdrsPrint (char *ifname);
LOCAL STATUS	checkInetAddrField (char *pInetAddr, BOOL subnetMaskOK);
LOCAL STATUS	usrNetIfAttach (char *devName, int unitNum, char *inetAdrs);
LOCAL STATUS	usrNetIfConfig (char *devName, int unitNum, char *inetAdrs, 
                                char *inetName, int netmask);
LOCAL STATUS	usrBpInit (char *devName, int unitNum, u_long startAddr);
LOCAL STATUS	usrSlipInit (char *pBootDev, int unitNum, char *localAddr, 
			     char *peerAddr);
LOCAL STATUS    usrPPPInit (char *pBootDev, int unitNum, char *localAddr, 
                            char *peerAddr);
LOCAL STATUS	bootpGet (char *pNetDev, char *pBootDevAddr, char *pBootFile,
			  char *pHostAddr, int *pMask);

#ifdef INCLUDE_DHCPC
LOCAL STATUS 	dhcpGet (char *pNetDev, char *pBootDevAddr, char *pBootFile,
                         char *pHostAddr, int  *pMask,
                         DHCP_LEASE_DATA *pDhcpLease);
#endif

#endif  /* INCLUDE_NETWORK */

#ifdef	INCLUDE_SCSI_BOOT
LOCAL STATUS	scsiLoad (int bootDevId, int bootDevLUN, char *fileName,
		          FUNCPTR *pEntry);
#endif	/* INCLUDE_SCSI_BOOT */

#ifdef  INCLUDE_FD
LOCAL STATUS    fdLoad (int drive, int type, char *fileName, FUNCPTR *pEntry);
#endif  /* INCLUDE_FD */

#ifdef  INCLUDE_IDE
LOCAL STATUS    ideLoad (int drive, int type, char *fileName, FUNCPTR *pEntry);
#endif  /* INCLUDE_IDE */

#ifdef	INCLUDE_ATA
LOCAL STATUS	ataLoad (int ctrl, int drive, char *fileName, FUNCPTR *pEntry);
#endif	/* INCLUDE_ATA */

#ifdef	INCLUDE_PCMCIA
LOCAL STATUS	pcmciaLoad (int sock, char *fileName, FUNCPTR *pEntry);
#endif	/* INCLUDE_PCMCIA */

#ifdef	INCLUDE_TFFS
LOCAL STATUS    tffsLoad (int drive, int removable, char *fileName, 
			  FUNCPTR *pEntry);
#endif	/* INCLUDE_TFFS */

#ifdef	INCLUDE_TSFS_BOOT
LOCAL STATUS	tsfsLoad (char * fileName, FUNCPTR * pEntry);
LOCAL void	wdbRebootEventGet (void * pNode, WDB_EVT_DATA *	pEvtData);
#endif	/* INCLUDE_TSFS_BOOT */

#else

void		usrRoot ();
void		usrClock ();
void		usrKernelInit ();
LOCAL void	bootCmdLoop ();
LOCAL char	autoboot ();
LOCAL void	printBootLogo ();
LOCAL void	bootHelp ();
LOCAL STATUS	bootLoad ();
LOCAL void	go ();
LOCAL void	m ();
LOCAL void	d ();
LOCAL void	bootExcHandler ();
LOCAL void	skipSpace ();
LOCAL void	printExcMsg ();
LOCAL STATUS	getArg ();
LOCAL void	usrBootLineInit ();
LOCAL STATUS	usrBootLineCrack ();

#ifdef  INCLUDE_NETWORK
LOCAL STATUS	netLoad ();
LOCAL void	netifAdrsPrint ();
LOCAL STATUS	checkInetAddrField ();
LOCAL STATUS	usrNetIfAttach ();
LOCAL STATUS	usrNetIfConfig ();
LOCAL STATUS	usrBpInit ();
LOCAL STATUS	usrSlipInit ();
LOCAL STATUS	usrPPPInit ();
LOCAL STATUS	bootpGet ();

#endif  /* INCLUDE_NETWORK */

#ifdef	INCLUDE_SCSI_BOOT
LOCAL STATUS	scsiLoad();
#endif	/* INCLUDE_SCSI_BOOT */

#ifdef  INCLUDE_FD
LOCAL STATUS    fdLoad ();
#endif  /* INCLUDE_FD */

#ifdef  INCLUDE_IDE
LOCAL STATUS    ideLoad ();
#endif  /* INCLUDE_IDE */

#ifdef	INCLUDE_ATA
LOCAL STATUS	ataLoad ();
#endif	/* INCLUDE_ATA */

#ifdef	INCLUDE_PCMCIA
LOCAL STATUS	pcmciaLoad ();
#endif	/* INCLUDE_PCMCIA */

#ifdef	INCLUDE_TFFS
LOCAL STATUS    tffsLoad ();
#endif	/* INCLUDE_TFFS */

#ifdef	INCLUDE_TSFS_BOOT
LOCAL STATUS	tsfsLoad ();
LOCAL void	wdbRebootEventGet ();
#endif	/* INCLUDE_TSFS_BOOT */

#endif	/* __STDC__ */

/*******************************************************************************
*
* usrInit - user-defined system initialization routine
*
* This routine is called by the start-up code in romStart().  It is called
* before kernel multi-tasking is enabled, with the interrupts locked out.
*
* It starts by clearing BSS, so all variables are initialized to 0 as per
* the C specification.  Then it sets up exception vectors, initializes the
* hardware by calling sysHwInit(), and finally starts the kernel with the
* usrRoot() task to do the remainder of the initialization.
*
* NOMANUAL
*/

void usrInit 
    (
    int startType
    )
    {
    /*
     * This trap will catch improper loading of the data section.
     * We check the magic cookie values to make sure the data section is
     * in the expected memory location. We do not want
     * to proceed further if the data segment is not correct.
     *
     * It should be easy to detect entry into the trap using an ICE, JTAG,
     * or logic analyzer. Without the trap, the processor is likely to run
     * away out of control.
     *
     * Data section misalignment can occur when there is a change in tool
     * chain, build rules, compiler, host utilites,  etc. 
     */

    while (trapValue1 != TRAP_VALUE_1 || trapValue2 != TRAP_VALUE_2)
	{
	/* infinite loop */;
	}
    
#if (CPU_FAMILY == SPARC)
    excWindowInit ();				/* SPARC window management */
#endif

#if	(CPU_FAMILY == MIPS)
    sysGpInit ();				/* MIPS global pointer */
#endif	/* (CPU_FAMILY == MIPS) */

#ifdef INCLUDE_SYS_HW_INIT_0
    /*
     * Perform any BSP-specific initialisation that must be done before
     * cacheLibInit() is called and/or BSS is cleared.
     */

    SYS_HW_INIT_0 ();
#endif /* INCLUDE_SYS_HW_INIT_0 */

    /* configure data and instruction cache if available and leave disabled */

#ifdef	INCLUDE_CACHE_SUPPORT
    /*
     * SPR 73609:  If a cache is not to be enabled, don't require
     * its mode to be defined.  Instead, default it to disabled.
     */
# if (!defined(USER_D_CACHE_ENABLE) && !defined(USER_D_CACHE_MODE))
#  define USER_D_CACHE_MODE CACHE_DISABLED
# endif	/* !USER_D_CACHE_ENABLE && !USER_D_CACHE_MODE */
# if (!defined(USER_I_CACHE_ENABLE) && !defined(USER_I_CACHE_MODE))
#  define USER_I_CACHE_MODE CACHE_DISABLED
# endif	/* !USER_I_CACHE_ENABLE && !USER_I_CACHE_MODE */

    cacheLibInit (USER_I_CACHE_MODE, USER_D_CACHE_MODE);
#endif	/* INCLUDE_CACHE_SUPPORT */

#if (CPU == SPARClite)
    cacheLib.textUpdateRtn = NULL;		/* XXX - mod hist 07u */
#endif

    /* don't assume bss variables are zero before this call */

    bzero (edata, end - edata);		/* zero out bss variables */

    sysStartType = startType;

    intVecBaseSet ((FUNCPTR *) VEC_BASE_ADRS);	/* set vector base table */

#if (CPU_FAMILY == AM29XXX)
    excSpillFillInit ();                        /* am29k stack cache managemt */
#endif

    excVecInit ();				/* install exception vectors */

    sysHwInit ();				/* initialize system hardware */

    usrKernelInit ();				/* configure the Wind kernel */


#if	(CPU==SPARC) || (CPU_FAMILY==I80X86)	/* XXX workaround for sun1e */
#undef USER_I_CACHE_ENABLE	/* XXX disable instruction cache */
#endif	/* (CPU==SPARC) || (CPU_FAMILY==I80X86)	*/

#ifdef	INCLUDE_CACHE_SUPPORT
#ifdef 	USER_I_CACHE_ENABLE
    cacheEnable (INSTRUCTION_CACHE);		/* enable instruction cache */
#endif	/* USER_I_CACHE_ENABLE */
#endif	/* INCLUDE_CACHE_SUPPORT */

    /* 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 - 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); /*拼接字符*/

            (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);