core/writestr.c

   1 /*
   2  * -----------------------------------------------------------------------
   3  *
   4  *   Copyright 1994-2008 H. Peter Anvin - All Rights Reserved
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   9  *   Boston MA 02111-1307, USA; either version 2 of the License, or
  10  *   (at your option) any later version; incorporated herein by reference.
  11  *
  12  * -----------------------------------------------------------------------
  13  *
  14  *
  15  * writestr.c
  16  *
  17  * Code to write a simple string.
  18  */
  19 #include <com32.h>
  20 #include <core.h>
  21
  22 /*
  23  * crlf: Print a newline
  24  */
  25 void crlf(void)
  26 {
  27         writechr('\r');
  28         writechr('\n');
  29 }
  30
  31 /*
  32  * writestr: write a null-terminated string to the console, saving
  33  *            registers on entry.
  34  *
  35  * Note: writestr_early and writestr are distinct in
  36  * SYSLINUX and EXTLINUX, but not PXELINUX and ISOLINUX
  37  */
  38 void writestr(char *str)
  39 {
  40         while (*str)
  41                 writechr(*str++);
  42 }
  43
  44 void pm_writestr(com32sys_t *regs)
  45 {
  46         writestr(MK_PTR(regs->ds, regs->esi.w[0]));
  47 }