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bootloader/u-boot_2015_04/common/cmd_console.c 1.07 KB
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  /*
   * (C) Copyright 2000
   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  /*
   * Boot support
   */
  #include <common.h>
  #include <command.h>
  #include <stdio_dev.h>
  
  extern void _do_coninfo (void);
  static int do_coninfo(cmd_tbl_t *cmd, int flag, int argc, char * const argv[])
  {
  	int l;
  	struct list_head *list = stdio_get_list();
  	struct list_head *pos;
  	struct stdio_dev *dev;
  
  	/* Scan for valid output and input devices */
  
  	puts ("List of available devices:
  ");
  
  	list_for_each(pos, list) {
  		dev = list_entry(pos, struct stdio_dev, list);
  
  		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 ('
  ');
  	}
  	return 0;
  }
  
  
  /***************************************************/
  
  U_BOOT_CMD(
  	coninfo,	3,	1,	do_coninfo,
  	"print console devices and information",
  	""
  );