test.c

MIPS下的boottloader yamon 的源代码

	          ok && 
	          (arg < argc) && 
		  (token = argv[arg]) &&
                  shell_decode_token( token, &type, &decode );
         arg++ )
    {
        switch( type )
	{
	  case SHELL_TOKEN_OPTION :
            /* Find match */
	    for(i=0; 
	        (i<OPTION_COUNT) &&
		(strcmp(decode.option, options[i].option) != 0);
		i++) ;

	    switch(i)
	    {
	      case OPTION_HELP :
	        *help = TRUE;
		break;
	      case OPTION_LOOP :
	        *until_break = TRUE;
		break;
	      default :
	        error		 = SHELL_ERROR_OPTION;
	        shell_error_data = token;
		ok		 = FALSE;
		break;		      
	    }

	    break;

	  case SHELL_TOKEN_NUMBER :
	  
	     if( count == 0 )
	         *parg1 = decode.number;
	     else if( count == 1 )
	         *parg2 = decode.number;
	     else if( count == 2 )
	         *parg3 = decode.number;
	     else
	         ok = FALSE;

	     count++;

	     break;

	  case SHELL_TOKEN_STRING :
	    /* Use raw token to find match with module name */

	    if( modix != MODULE_ALL )
	        ok = FALSE;
	    else
	    {
	        for(modix=0; 
	            (modix < MODULE_ALL) &&
		    (strcmp(token, modules[modix].t_module_name) != 0);
		    (modix)++) ;
		
		if( modix == MODULE_ALL )
		    ok = FALSE;
	    }

	    break;
        }
    }

    if( !ok )
    {
        return error;
    }

    *pmodule = &modules[modix];

    if( *help )
    {
        return 
            ( *until_break || (count != 0) ) ?
	        SHELL_ERROR_SYNTAX :
		OK;
    }

    if( *until_break )
    {
        return
	    ( *help || (count != 0) || (modix != MODULE_ALL) ) ?
	        SHELL_ERROR_SYNTAX :
		OK;
    }

    /* --- argument special considerations --- */

#define pstart parg1
#define psize  parg2
#define ploops parg3

    if( modix == MODULE_ALL )
	get_default_ram(pstart, psize, ploops);

    if( modix == MODULE_RAM )
    {
        if( count == 0 )
        {
	    get_default_ram(pstart, psize, ploops);
            count = 3;
        }

        if( count == 3 )
	{ 
            /* Check validity of addresses, and adjust if possible */
            rc = ram_range_valid(pstart, psize);

	    if( rc != OK )
	        return rc;
        }
    }

#undef pstart
#undef psize
#undef ploops

    /* --- special considerations end --- */

    return
        ( count != modules[modix].t_arg_count ) ?
            SHELL_ERROR_SYNTAX :
	    OK;
}


/************************************************************************
 *                          test_all
 ************************************************************************/
static bool
test_all( void )
{	  
    UINT32 rambase, srambase, size, loops;

    srambase = 0;

    get_default_ram( &rambase, &size, &loops );
    SYSCON_read( SYSCON_BOARD_SRAM_BASE_ID, &srambase, sizeof(srambase) );

    if( !do_test(&modules[ MODULE_RAM ], TRUE, rambase, size, loops) )
        return FALSE;

    if( SHELL_PUTC( '\n' ) ) return FALSE;
    
    if (srambase)
    {
    	if ( !do_test(&modules[ MODULE_RAM ], TRUE, KSEG1(srambase), size, loops) )
            return FALSE;

    	if ( SHELL_PUTC( '\n' ) ) return FALSE;
    }

    if (!do_test( &modules[ MODULE_FLASH ], TRUE, 0, 0, 0 ))
        return FALSE;

    return TRUE;
}


/************************************************************************
 *                          test_ram
 ************************************************************************/
static bool
test_ram( 
    UINT32 start, 
    UINT32 size,
    UINT32 loops )
{
#define	   TEST_BLOCK	0x80000
    char   msg[80];
    UINT32 (*func)( UINT32, UINT32, UINT32, UINT32 );
    UINT32 cnt;
    UINT32 dummy;
    UINT32 newstart, newend;
    bool   error;
    char   *wheel = "|/-\\";

    printf("Memory test from 0x%08X to 0x%08X, ",
			   start,
			   start + size - 4 );

    if( !loops )	   
        printf("loop indefinitely.\n" );
    else
        printf("%d loop%s\n", loops, loops == 1 ? "." : "s.");

    if (loops != 1 || (size > TEST_BLOCK))
    	printf( "%s\n", shell_msg_ctrl_c);

    error = FALSE;

    for (cnt=0; ((loops == 0) || (cnt<loops)) && !error && !ctrl_c; cnt++)
    {
	printf("\rNow running loop %d %c", 
		cnt+1, wheel[wix = ((wix+1) & 0x3)]);

	for ( newstart=start; 
	      (newstart<start+size) && !error && !ctrl_c; 
	      newstart += TEST_BLOCK)
	{
	    if (newstart+TEST_BLOCK < start+size)
		newend = newstart + TEST_BLOCK;
	    else
		newend = start+size;

	    if (dummy = memtest(newstart, (UINT32) &dummy, newend, cnt))
	    {
	    	error = TRUE;
	    	printf("\nFailed at address: 0x%08X\n", dummy);
	    	printf("Written    Read       Difference Re-Read\n");
	    	for (cnt=0; cnt<8; cnt++)
		    printf("0x%08X 0x%08X 0x%08X 0x%08X\n",
			errordump[cnt*2],  errordump[cnt*2+1],
			errordump[cnt*2] ^ errordump[cnt*2+1],
			((UINT32 *) dummy)[cnt]);
	    }
	    
	    if (!error)
	    {
	    	printf("\b%c", wheel[wix = ((wix+1) & 0x3)]);
	    	if ( GETCHAR_CTRLC(DEFAULT_PORT) )
	    	    ctrl_c = TRUE;
	    }
	}
    }

    if (!ctrl_c)
    	printf("\n");

    return !error;
}


/************************************************************************
 *                          test_flash
 ************************************************************************/
static bool
test_flash( void )
{
    UINT32 rc ;
    t_FLASH_ctrl_descriptor   flash_ctrl;

    flash_ctrl.command = FLASH_CTRL_TEST_SYSTEMFLASH;

    
    rc = IO_ctrl( SYS_MAJOR_FLASH_STRATA, 0, (UINT8 *)(&flash_ctrl)) ;
    if (rc)
    {
        err = rc;
        return FALSE ;
    }
    return TRUE;
} 


/************************************************************************
 *                          ram_range_valid
 ************************************************************************/
static UINT32
ram_range_valid(
    UINT32 *pstart,
    UINT32 *psize )
{
    UINT32 adj_start;
    UINT32 adj_size;

    if( *pstart + *psize < MAX( *pstart, *psize ) )
    {
	/* Overflow */
	return SHELL_ERROR_RAM_RANGE;
    }

    /* Adjust start and size to be 0x100 aligned */
    adj_start = (*pstart + 0xff) & ~0xff;
    adj_size  = *psize & ~0xff;

    while  ( (adj_size != 0)  &&
	     (adj_start + adj_size) > (*pstart + *psize) )
    {
	adj_size -= 0x100;
    }

    if( adj_size == 0 )
        return SHELL_ERROR_RAM_RANGE;

    *pstart = adj_start;
    *psize  = adj_size;

    return
        sys_validate_range( adj_start,
			    adj_size,
			    1,
			    TRUE );
}


/* Command definition for help */
static t_cmd cmd_def =
{
    "test",
     test,
    "test [-l] | [-m] [ <module> [ <module arguments> ] ]",

    "The test command can perform a number of self-tests on different\n"
    "modules. If no module is supplied, all available modules are tested\n"
    "and a final pass/fail status is indicated. If a module is specified,\n"
    "only this module is tested.\n"
    "\n"
    "If the option '-m' is applied and no module is specified, a list\n"
    "of the available modules is displayed.\n"
    "\n"
    "If the option '-m' is applied and a module is specified, additional\n"
    "information about the module test and the optional arguments is\n"
    "displayed.\n"
    "\n"
    "If the option '-l' is applied, all available modules are tested\n"
    "repetitively, until Ctrl-C is pressed or a test fails. The '-l'\n"
    "option cannot be specified together with other options or arguments.",

    options,
    OPTION_COUNT,
    FALSE
};

/* Command definitions for SDB 't' command (secret command) */
static t_cmd cmd_def_sdb_lower =
{
    "t",
    test_sdb,
    "t                        (Microsoft SDB command)",
    "Performs self-test as required by Microsoft SDB requirements.\n"
    "Detects and tests RAM and flash memories. A final pass/fail status\n"
    "is indicated.\n"
    "\n"
    "In order to run this test, a minimum of 64 MByte SDRAM and 32 MByte\n"
    "flash must be available. If these requirements are not met, the test\n"
    "will not start at all.",

    NULL,
    0,
    TRUE
};


/************************************************************************
 *  Implementation : Public functions
 ************************************************************************/

/************************************************************************
 *
 *                          shell_test_init
 *  Description :
 *  -------------
 *
 *  Initialise command
 *
 *  Return values :
 *  ---------------
 *
 *  void
 *
 ************************************************************************/
t_cmd *
shell_test_init( void )
{
    return &cmd_def;
}


/************************************************************************
 *
 *                          shell_test_sdb_init
 *  Description :
 *  -------------
 *
 *  Initialise command
 *
 *  Return values :
 *  ---------------
 *
 *  void
 *
 ************************************************************************/
t_cmd *
shell_test_sdb_init( void )
{
    return &cmd_def_sdb_lower;
}