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

   1// SPDX-License-Identifier: GPL-2.0
   2#include "misc.h"
   3
   4static unsigned long fs;
   5static inline void set_fs(unsigned long seg)
   6{
   7        fs = seg << 4;  /* shift it back */
   8}
   9typedef unsigned long addr_t;
  10static inline char rdfs8(addr_t addr)
  11{
  12        return *((char *)(fs + addr));
  13}
  14#include "../cmdline.c"
  15unsigned long get_cmd_line_ptr(void)
  16{
  17        unsigned long cmd_line_ptr = boot_params->hdr.cmd_line_ptr;
  18
  19        cmd_line_ptr |= (u64)boot_params->ext_cmd_line_ptr << 32;
  20
  21        return cmd_line_ptr;
  22}
  23int cmdline_find_option(const char *option, char *buffer, int bufsize)
  24{
  25        return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
  26}
  27int cmdline_find_option_bool(const char *option)
  28{
  29        return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
  30}
  31