1// SPDX-License-Identifier: GPL-3.0-or-later
2
3#include "mos/misc/setup.hpp"
4
5#include "mos/misc/cmdline.hpp"
6#include "mos/syslog/printk.hpp"
7
8void startup_invoke_autoinit(init_target_t target)
9{
10 extern const mos_init_t __MOS_INIT_START[];
11 extern const mos_init_t __MOS_INIT_END[];
12
13 for (const mos_init_t *init = __MOS_INIT_START; init < __MOS_INIT_END; init++)
14 {
15 if (init->target == target)
16 init->init_fn();
17 }
18}
19
20static void do_invoke_setup(const mos_cmdline_hook_t start[], const mos_cmdline_hook_t end[])
21{
22 for (const mos_cmdline_hook_t *func = start; func < end; func++)
23 {
24 cmdline_option_t *option = cmdline_get_option(option_name: func->param);
25
26 if (unlikely(!option))
27 {
28 pr_dinfo2(setup, "no option given for '%s'", func->param);
29 continue;
30 }
31
32 if (unlikely(option->used))
33 {
34 pr_warn("option '%s' already used", func->param);
35 continue;
36 }
37
38 pr_dinfo2(setup, "invoking setup function for '%s'", func->param);
39 if (unlikely(!func->hook(option->arg ?: "")))
40 {
41 pr_warn("setup function for '%s' failed", func->param);
42 continue;
43 }
44
45 option->used = true;
46 }
47}
48
49void startup_invoke_cmdline_hooks(void)
50{
51 extern const mos_cmdline_hook_t __MOS_SETUP_START[]; // defined in linker script
52 extern const mos_cmdline_hook_t __MOS_SETUP_END[];
53 do_invoke_setup(start: __MOS_SETUP_START, end: __MOS_SETUP_END);
54}
55
56void startup_invoke_early_cmdline_hooks(void)
57{
58 extern const mos_cmdline_hook_t __MOS_EARLY_SETUP_START[]; // defined in linker script
59 extern const mos_cmdline_hook_t __MOS_EARLY_SETUP_END[];
60 do_invoke_setup(start: __MOS_EARLY_SETUP_START, end: __MOS_EARLY_SETUP_END);
61}
62