cmd_console.c

嵌入式ARM的一些源代码

/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, [e-mail].
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * Boot support
 */
#include <ppcboot.h>
#include <command.h>
#include <devices.h>

#if (CONFIG_COMMANDS & CFG_CMD_CONSOLE)

extern void _do_coninfo (void) ;

void do_coninfo (cmd_tbl_t *cmd, bd_t *bd, int flag, int argc, char *argv[])
{
    int i,l ;
    	
    // Scan for valid output and input devices

    printf("List of available devices:\n");

    for (i=1; i<=ListNumItems(devlist); i++)
    {
	device_t	*dev = ListGetPtrToItem (devlist, i);
	
	printf("%-8s %08x %c%c%c ",
	    dev->name,
	    dev->flags,
	    (dev->flags & DEV_FLAGS_SYSTEM) 	? 'S' : '.',
	    (dev->flags & DEV_FLAGS_INPUT) 	? 'I' : '.',
	    (dev->flags & DEV_FLAGS_OUTPUT)	? 'O' : '.'
	    );    

	for (l=0 ; l< MAX_FILES; l++)
	    if (stdio_devices[l] == dev)
		printf("%s ", stdio_names[l]);
	
	putc('\n');
    }
}

#endif	/* CFG_CMD_CONSOLE */