include/autoboot.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2000
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  *
   6  * Add to readline cmdline-editing by
   7  * (C) Copyright 2005
   8  * JinHua Luo, GuangDong Linux Center, <luo.jinhua@gd-linux.com>
   9  */
  10
  11 #ifndef __AUTOBOOT_H
  12 #define __AUTOBOOT_H
  13
  14 #include <stdbool.h>
  15 #include <stddef.h>
  16
  17 #ifdef CONFIG_SANDBOX
  18
  19 /**
  20  * autoboot_keyed() - check whether keyed autoboot should be used
  21  *
  22  * This is only implemented for sandbox since other platforms don't have a way
  23  * of controlling the feature at runtime.
  24  *
  25  * Return: true if enabled, false if not
  26  */
  27 bool autoboot_keyed(void);
  28
  29 /**
  30  * autoboot_set_keyed() - set whether keyed autoboot should be used
  31  *
  32  * @autoboot_keyed: true to enable the feature, false to disable
  33  * Return: old value of the flag
  34  */
  35 bool autoboot_set_keyed(bool autoboot_keyed);
  36 #else
  37 static inline bool autoboot_keyed(void)
  38 {
  39         /* There is no runtime flag, so just use the CONFIG */
  40         return IS_ENABLED(CONFIG_AUTOBOOT_KEYED);
  41 }
  42
  43 static inline bool autoboot_set_keyed(bool autoboot_keyed)
  44 {
  45         /* There is no runtime flag to set */
  46         return false;
  47 }
  48
  49 #endif
  50
  51 #ifdef CONFIG_AUTOBOOT
  52 /**
  53  * bootdelay_process() - process the bootd delay
  54  *
  55  * Process the boot delay, boot limit, then get the value of either
  56  * bootcmd, failbootcmd or altbootcmd depending on the current state.
  57  * Return this command so it can be executed.
  58  *
  59  * Return: command to executed
  60  */
  61 const char *bootdelay_process(void);
  62
  63 /**
  64  * autoboot_command() - run the autoboot command
  65  *
  66  * If enabled, run the autoboot command returned from bootdelay_process().
  67  * Also do the CONFIG_AUTOBOOT_MENUKEY processing if enabled.
  68  *
  69  * @cmd: Command to run
  70  */
  71 void autoboot_command(const char *cmd);
  72 #else
  73 static inline const char *bootdelay_process(void)
  74 {
  75         return NULL;
  76 }
  77
  78 static inline void autoboot_command(const char *s)
  79 {
  80 }
  81 #endif
  82
  83 #endif