cmdline.c

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/*
 * cmdline.c: read the command line passed to us by the PROM.
 *
 * Copyright (C) 1998 Harald Koerfgen
 * Copyright (C) 2002, 2004  Maciej W. Rozycki
 */
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/types.h>

#include <asm/bootinfo.h>
#include <asm/dec/prom.h>

#undef PROM_DEBUG

void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic)
{
    char *arg;
    int start_arg, i;

    /*
     * collect args and prepare cmd_line
     */
    if (!prom_is_rex(magic))
        start_arg = 1;
    else
        start_arg = 2;
    for (i = start_arg; i < argc; i++) {
        arg = (void *)(long)(argv[i]);
        strcat(arcs_cmdline, arg);
        if (i < (argc - 1))
            strcat(arcs_cmdline, " ");
    }

#ifdef PROM_DEBUG
    printk("arcs_cmdline: %s\n", &(arcs_cmdline[0]));
#endif
}