cmdline.c

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/*
 * Based on Ocelot Linux port, which is
 * Copyright 2001 MontaVista Software Inc.
 * Author: [email protected] or [email protected]
 *
 * Copyright 2003 ICT CAS
 * Author: Michael Guo <[email protected]>
 *
 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
 * Author: Fuxin Zhang, [email protected]
 *
 * Copyright (C) 2009 Lemote Inc.
 * Author: Wu Zhangjin, [email protected]
 *
 * 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>

void __init prom_init_cmdline(void)
{
    int prom_argc;
    /* pmon passes arguments in 32bit pointers */
    int *_prom_argv;
    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, " ");
    }

    prom_init_machtype();
}