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

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * cmdline.c: read the command line passed to us by the PROM.
   4 *
   5 * Copyright (C) 1998 Harald Koerfgen
   6 * Copyright (C) 2002, 2004  Maciej W. Rozycki
   7 */
   8#include <linux/init.h>
   9#include <linux/kernel.h>
  10#include <linux/string.h>
  11#include <linux/types.h>
  12
  13#include <asm/bootinfo.h>
  14#include <asm/dec/prom.h>
  15
  16#undef PROM_DEBUG
  17
  18void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic)
  19{
  20        char *arg;
  21        int start_arg, i;
  22
  23        /*
  24         * collect args and prepare cmd_line
  25         */
  26        if (!prom_is_rex(magic))
  27                start_arg = 1;
  28        else
  29                start_arg = 2;
  30        for (i = start_arg; i < argc; i++) {
  31                arg = (void *)(long)(argv[i]);
  32                strcat(arcs_cmdline, arg);
  33                if (i < (argc - 1))
  34                        strcat(arcs_cmdline, " ");
  35        }
  36
  37#ifdef PROM_DEBUG
  38        printk("arcs_cmdline: %s\n", &(arcs_cmdline[0]));
  39#endif
  40}
  41