Logo Search packages:      
Sourcecode: linux version File versions  Download package

cmdline.c

/*
 * Based on Ocelot Linux port, which is
 * Copyright 2001 MontaVista Software Inc.
 * Author: jsun@mvista.com or jsun@junsun.net
 *
 * Copyright 2003 ICT CAS
 * Author: Michael Guo <guoyi@ict.ac.cn>
 *
 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
 * Author: Fuxin Zhang, zhangfx@lemote.com
 *
 * Copyright (C) 2009 Lemote Inc. & Insititute of Computing Technology
 * Author: Wu Zhangjin, wuzj@lemote.com
 *
 * 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.
 */
#include <asm/bootinfo.h>

#include <loongson.h>

int prom_argc;
/* pmon passes arguments in 32bit pointers */
int *_prom_argv;

void __init prom_init_cmdline(void)
{
      int i;
      long l;

      /* firmware arguments are initialized in head.S */
      prom_argc = fw_arg0;
      _prom_argv = (int *)fw_arg1;

      /* arg[0] is "g", the rest is boot parameters */
      arcs_cmdline[0] = '\0';
      for (i = 1; i < prom_argc; i++) {
            l = (long)_prom_argv[i];
            if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
                >= sizeof(arcs_cmdline))
                  break;
            strcat(arcs_cmdline, ((char *)l));
            strcat(arcs_cmdline, " ");
      }

      if ((strstr(arcs_cmdline, "console=")) == NULL)
            strcat(arcs_cmdline, " console=ttyS0,115200");
      if ((strstr(arcs_cmdline, "root=")) == NULL)
            strcat(arcs_cmdline, " root=/dev/hda1");
}

Generated by  Doxygen 1.6.0   Back to index