int offset        /* byte offset into non-volatile RAM         */    )    {    offset += NV_BOOT_OFFSET;   /* boot line begins at <offset> = 0 */    if ((offset < 0)     || (strLen < 0)     || ((offset + strLen) > NV_RAM_SIZE))        return ERROR;    NV_RAM_WR_ENBL;    return (sysFlashSet (string, strLen, offset));    }/******************************************************************************** sysFlashBoardDelay - create a delay** This routine is used by flashMem.c to produce specified delays. It* appears that the Flash driver cannot use taskDelay() at certain* points.** RETURNS: N/A*/void sysFlashBoardDelay (void)    {    return;    }#endif /* INCLUDE_FLASH */#ifdef INCLUDE_CACHE_SUPPORT/******************************************************************************** sngks32cCacheLibInit - initialize ARM cache library function pointers** This routine initializes the cache library for SNG32C processor.  It* initializes the function pointers and configures the caches to the* specified cache modes.  Modes should be set before caching is* enabled.  If two complementary flags are set (enable/disable), no* action is taken for any of the input flags.** INTERNAL* This routine is called (from cacheLibInit()), before sysHwInit has* been called, and before BSS has been cleared.** RETURNS: OK always**/STATUS sngks32cCacheLibInit    (    CACHE_MODE    instMode,    /* instruction cache mode */    CACHE_MODE    dataMode    /* data cache mode */    )    {#if ((ARMCACHE == ARMCACHE_KS32C))    cacheLib.enableRtn               = (FUNCPTR) sngks32cCacheEnable;    cacheLib.disableRtn              = (FUNCPTR) sngks32cCacheDisable;    cacheLib.flushRtn                = (FUNCPTR) sngks32cCacheFlush;    cacheLib.invalidateRtn           = (FUNCPTR) NULL;    cacheLib.clearRtn                = (FUNCPTR) NULL;    cacheLib.textUpdateRtn           = (FUNCPTR) NULL;    cacheLib.pipeFlushRtn            = (FUNCPTR) NULL;    cacheLib.dmaMallocRtn            = (FUNCPTR) sngks32cCacheDmaMalloc;    cacheLib.dmaFreeRtn              = (FUNCPTR) sngks32cCacheDmaFree;    sngks32cCacheFuncs.virtToPhysRtn = (FUNCPTR) sngks32cVirtToPhysRtn;    sngks32cCacheFuncs.physToVirtRtn = (FUNCPTR) sngks32cPhysToVirtRtn;    if (    (instMode & CACHE_WRITEALLOCATE)    ||    (dataMode & CACHE_WRITEALLOCATE)    ||    (instMode & CACHE_NO_WRITEALLOCATE)    ||    (dataMode & CACHE_NO_WRITEALLOCATE)    ||    (instMode & CACHE_SNOOP_ENABLE)        ||    (dataMode & CACHE_SNOOP_ENABLE)        ||    (instMode & CACHE_SNOOP_DISABLE)    ||    (dataMode & CACHE_SNOOP_DISABLE)    ||    (instMode & CACHE_BURST_ENABLE)        ||    (dataMode & CACHE_BURST_ENABLE)        ||    (instMode & CACHE_BURST_DISABLE)    ||    (dataMode & CACHE_BURST_DISABLE))        return ERROR;    /* This has combined Instruction and Data caches */    if (instMode != dataMode)        return ERROR;#else#error ARMCACHE type not supported here#endif    return OK;    }/******************************************************************************** sngks32cCacheDmaMalloc - allocate a cache-safe buffer** This routine attempts to return a pointer to a section of memory* that will not experience cache coherency problems.  This routine* is only called when MMU support is available for cache control.** RETURNS: A pointer to a cache-safe buffer, or NULL.** SEE ALSO: sngks32cCacheDmaFree(), cacheDmaMalloc()** NOMANUAL*/void * sngks32cCacheDmaMalloc    (    size_t    bytes    /* size of cache-safe buffer */    )    {    void   *ptr;    UINT32  foo;    ptr = malloc (bytes);    foo = (UINT32)ptr;    foo |= NON_CACHE_REGION;    ptr = (void *)foo;    return (ptr);    } /* cacheArchDmaMalloc() *//******************************************************************************** sngks32cCacheDmaFree - free the buffer acquired by cacheArchDmaMalloc()** This routine returns to the free memory pool a block of memory previously* allocated with cacheArchDmaMalloc().  The buffer is marked cacheable.** RETURNS: OK, or ERROR if cacheArchDmaMalloc() cannot be undone.** SEE ALSO: sngks32cCacheDmaMalloc(), cacheDmaFree()** NOMANUAL*/STATUS sngks32cCacheDmaFree    (    void *    pBuf        /* ptr returned by cacheArchDmaMalloc() */    )    {    UINT32 foo;    foo = (UINT32) pBuf;    foo &= ~NON_CACHE_REGION;    pBuf = (void *)foo;	    free (pBuf);    /* free buffer after modified */    return OK;    } /* cacheArchDmaFree() *//******************************************************************************** sngks32cCacheEnable - enable cache** This routine enables cache** RETURNS: void** SEE ALSO: sngks32cCacheDisable(), sngks32cCacheFlush()** NOMANUAL*/void sngks32cCacheEnable    (     void    )    {    UINT32    result;    /* Clear cache-related bits */    SBCARM7_CTRL_REG_READ (S3C44B0X_SYSCFG, result);    /*-SBCARM7_CTRL_REG_WRITE (SNGKS32C_SYSCFG, (result & 0xffffffC0));*/	/* Amine: deleted and added */    SBCARM7_CTRL_REG_WRITE (S3C44B0X_SYSCFG, (result & (~SBCARM7_CACHE_MODE)));    SBCARM7_CTRL_REG_READ (S3C44B0X_SYSCFG, result);	/* Amine: added */	SBCARM7_CTRL_REG_WRITE (S3C44B0X_NCACHBE0, 0xC0000000);	/*SBCARM7_CTRL_REG_WRITE (S3C44B0X_NCACHBE0, 0xC0002000);*/	/*SBCARM7_CTRL_REG_WRITE (S3C44B0X_NCACHBE1, 0xFFFFC800);*/#if (SBCARM7_CACHE_SIZE == SBCARM7_CACHE_4K)    result &= ~SBCARM7_CACHE_MODE;        /* For 4K Cache */    /*-SBCARM7_CTRL_REG_WRITE (SNGKS32C_SYSCFG, (result | SBCARM7_WRITE_BUFF));*/    sngks32cCacheFlush();	/* Amine: added */	SBCARM7_CTRL_REG_WRITE (S3C44B0X_SYSCFG, (result | SBCARM7_WRITE_BUFF | SBCARM7_CACHE_4K));    /*-SBCARM7_CTRL_REG_READ (S3C44B0X_SYSCFG, result);    SBCARM7_CTRL_REG_WRITE (S3C44B0X_SYSCFG, (result | SBCARM7_CACHE_ENABLE));*/#endif /* (SBCARM7_CACHE_SIZE == SBCARM7_CACHE_4K) */#if (SBCARM7_CACHE_SIZE == SBCARM7_CACHE_8K)	    result &= ~SBCARM7_CACHE_MODE;        /* Clear mode bits */    /*-SBCARM7_CTRL_REG_WRITE (SNGKS32C_SYSCFG,                            (result | SBCARM7_WRITE_BUFF | SBCARM7_CACHE_8K));*/    sngks32cCacheFlush();	/* Amine: added */		SBCARM7_CTRL_REG_WRITE (S3C44B0X_SYSCFG, (result | SBCARM7_WRITE_BUFF | SBCARM7_CACHE_8K));    /*-SBCARM7_CTRL_REG_READ (S3C44B0X_SYSCFG, result);    SBCARM7_CTRL_REG_WRITE(S3C44B0X_SYSCFG, (result | SBCARM7_CACHE_ENABLE));*/#endif /* (SBCARM7_CACHE_SIZE == SBCARM7_CACHE_8K) */    }/******************************************************************************** sngks32cCacheDisable - disable cache** This routine disables cache** RETURNS: void** SEE ALSO: sngks32cCacheEnable(), sngks32cCacheFlush()** NOMANUAL*/void sngks32cCacheDisable    (    void    )    {    UINT32 result;    SBCARM7_CTRL_REG_READ(S3C44B0X_SYSCFG, result);    /* Amine: SBCARM7_CACHE_ENABLE->SBCARM7_CACHE_MODE */    SBCARM7_CTRL_REG_WRITE(S3C44B0X_SYSCFG,                           (result & ~(SBCARM7_CACHE_MODE)));    }/******************************************************************************** sngks32cCacheFlush - flush the cache** This routine flushes the cache** RETURNS: void** SEE ALSO: sngks32cCacheEnable(), sngks32cCacheDisable()** NOMANUAL*//* Amine: 修改較多,如循環次數,地址進位,重新使能等 */void sngks32cCacheFlush(void){    int i, num;    UINT32 *tagram;	UINT32 addr;	addr = SBCARM7_TAGRAM_BEG;	num = (SBCARM7_TAGRAM_END - SBCARM7_TAGRAM_BEG)/16;    sngks32cCacheDisable();    for(i=0; i < num; i++)    {        tagram = (UINT32 *)addr;        *tagram = 0x00000000;         addr += 16;    }	SBCARM7_CTRL_REG_WRITE (S3C44B0X_SYSCFG, (SBCARM7_WRITE_BUFF | SBCARM7_CACHE_8K));}/******************************************************************************** sngks32cPhysToVirtRtn - force memory to cacheable region** This routine clears the "non-cache" bit on an address to force it to use* the cacheable region of memory** RETURNS: void** SEE ALSO: sngks32cCacheEnable(), sngks32cCacheDisable()** NOMANUAL*/void * sngks32cPhysToVirtRtn     (    void *adrs    )    {    UINT32 foo;    foo = (UINT32)adrs;    foo &= ~NON_CACHE_REGION;    adrs = (void *) foo;    return adrs;    }/******************************************************************************** sngks32cVirtToPhysRtn - force memory to non-cacheable region** This routine sets the "non-cache" bit on an address to force it to use* the non-cacheable region of memory** RETURNS: void** SEE ALSO: sngks32cCacheEnable(), sngks32cCacheDisable()** NOMANUAL*/void * sngks32cVirtToPhysRtn     (    void *adrs    )        {    UINT32 foo;    foo = (UINT32)adrs;    foo |= NON_CACHE_REGION;    adrs = (void *) foo;    return adrs;    }#endif    /* INCLUDE_CACHE_SUPPORT */#ifdef DEBUG/******************************************************************************** sysDebug - print message using polled serial driver** Use the polled driver to print debug messages.  Useful before the full* hardware initialization is complete (but only after sysHwInit).** RETURNS: N/A.** NOMANUAL*/void sysDebug    (    char *str    )    {    int msgSize;    int msgIx;    LOCAL SIO_CHAN * pSioChan;        /* serial I/O channel */    LOCAL BOOL beenHere = FALSE;    msgSize = strlen (str);    if (!beenHere)        {        sysSerialHwInit ();        pSioChan = sysSerialChanGet (0);        sioIoctl (pSioChan, SIO_BAUD_SET, (void *)CONSOLE_BAUD_RATE);        sioIoctl (pSioChan, SIO_MODE_SET, (void *) SIO_MODE_POLL);        beenHere = TRUE;	}    for (msgIx = 0; msgIx < msgSize; msgIx++)        {        while (sioPollOutput (pSioChan, str[msgIx]) == EAGAIN)            /* do nothing */;        }    }#endif /* DEBUG */