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(cmdline_ptr: get_cmd_line_ptr(), option, buffer, bufsize); |
28 | } |
29 | int cmdline_find_option_bool(const char *option) |
30 | { |
31 | return __cmdline_find_option_bool(cmdline_ptr: get_cmd_line_ptr(), option); |
32 | } |
33 |