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kernel/linux-rt-4.4.41/arch/mips/fw/arc/arc_con.c 973 Bytes
5113f6f70   김현기   kernel add
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  /*
   * Wrap-around code for a console using the
   * ARC io-routines.
   *
   * Copyright (c) 1998 Harald Koerfgen
   * Copyright (c) 2001 Ralf Baechle
   * Copyright (c) 2002 Thiemo Seufer
   */
  #include <linux/tty.h>
  #include <linux/major.h>
  #include <linux/init.h>
  #include <linux/console.h>
  #include <linux/fs.h>
  #include <asm/sgialib.h>
  
  static void prom_console_write(struct console *co, const char *s,
  			       unsigned count)
  {
  	/* Do each character */
  	while (count--) {
  		if (*s == '
  ')
  			prom_putchar('\r');
  		prom_putchar(*s++);
  	}
  }
  
  static int prom_console_setup(struct console *co, char *options)
  {
  	return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
  }
  
  static struct console arc_cons = {
  	.name		= "arc",
  	.write		= prom_console_write,
  	.setup		= prom_console_setup,
  	.flags		= CON_PRINTBUFFER,
  	.index		= -1,
  };
  
  /*
   *    Register console.
   */
  
  static int __init arc_console_init(void)
  {
  	register_console(&arc_cons);
  
  	return 0;
  }
  console_initcall(arc_console_init);