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
  17 void __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 }