cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

cmdline.c (747B)

      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}