LXR linux/arch/mips/dec/prom/cmdline.c

   1/*
   2 * cmdline.c: read the command line passed to us by the PROM.
   3 *
   4 * Copyright (C) 1998 Harald Koerfgen
   5 * Copyright (C) 2002, 2004  Maciej W. Rozycki
   6 */
   7#include <linux/init.h>
   8#include <linux/kernel.h>
   9#include <linux/string.h>
  10#include <linux/types.h>
  11
  12#include <asm/bootinfo.h>
  13#include <asm/dec/prom.h>
  14
  15#undef PROM_DEBUG
  16
  17void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic)
  18{
  19        char *arg;
  20        int start_arg, i;
  21
  22        /*
  23         * collect args and prepare cmd_line
  24         */
  25        if (!prom_is_rex(magic))
  26                start_arg = 1;
  27        else
  28                start_arg = 2;
  29        for (i = start_arg; i < argc; i++) {
  30                arg = (void *)(long)(argv[i]);
  31                strcat(arcs_cmdline, arg);
  32                if (i < (argc - 1))
  33                        strcat(arcs_cmdline, " ");
  34        }
  35
  36#ifdef PROM_DEBUG
  37        printk("arcs_cmdline: %s\n", &(arcs_cmdline[0]));
  38#endif
  39}
  40