1 // SPDX-License-Identifier: GPL-2.0
2 #include "misc.h"
3
4 #include <asm/bootparam.h>
5
6 static unsigned long fs;
7 static inline void set_fs(unsigned long seg)
8 {
9 fs = seg << 4; /* shift it back */
10 }
11 typedef unsigned long addr_t;
12 static inline char rdfs8(addr_t addr)
13 {
14 return *((char *)(fs + addr));
15 }
16 #include "../cmdline.c"
17 unsigned long get_cmd_line_ptr(void)
18 {
19 unsigned long cmd_line_ptr = boot_params_ptr->hdr.cmd_line_ptr;
20
21 cmd_line_ptr |= (u64)boot_params_ptr->ext_cmd_line_ptr << 32;
22
23 return cmd_line_ptr;
24 }
25 int cmdline_find_option(const char *option, char *buffer, int bufsize)
26 {
27 return __cmdline_find_option(get_cmd_line_ptr(), option, buffer, bufsize);
28 }
29 int cmdline_find_option_bool(const char *option)
30 {
31 return __cmdline_find_option_bool(get_cmd_line_ptr(), option);
32 }
33
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