LXR linux/arch/x86/boot/compressed/cmdline.c

   1#include "misc.h"
   2
   3#ifdef CONFIG_EARLY_PRINTK
   4
   5static unsigned long fs;
   6static inline void set_fs(unsigned long seg)
   7{
   8        fs = seg << 4;  /* shift it back */
   9}
  10typedef unsigned long addr_t;
  11static inline char rdfs8(addr_t addr)
  12{
  13        return *((char *)(fs + addr));
  14}
  15#include "../cmdline.c"
  16static unsigned long get_cmd_line_ptr(void)
  17{
  18        unsigned long cmd_line_ptr = real_mode->hdr.cmd_line_ptr;
  19
  20        cmd_line_ptr |= (u64)real_mode->ext_cmd_line_ptr << 32;
  21
  22        return cmd_line_ptr;
  23}
  24int cmdline_find_option(const char *option, char *buffer, int bufsize)
  25{
  26        return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
  27}
  28int cmdline_find_option_bool(const char *option)
  29{
  30        return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
  31}
  32
  33#endif
  34