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author | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:21:52 +0800 |
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committer | Iru Cai <mytbk920423@gmail.com> | 2019-10-30 14:48:38 +0800 |
commit | ae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch) | |
tree | 6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/bootretry.h | |
download | uext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz |
import the U-Boot code and make it compile
Diffstat (limited to 'include/bootretry.h')
-rw-r--r-- | include/bootretry.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/bootretry.h b/include/bootretry.h new file mode 100644 index 0000000..0cedd30 --- /dev/null +++ b/include/bootretry.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + */ + +#ifndef __BOOTRETRY_H +#define __BOOTRETRY_H + +#ifdef CONFIG_BOOT_RETRY_TIME +/** + * bootretry_tstc_timeout() - ensure we get a keypress before timeout + * + * Check for a keypress repeatedly, resetting the watchdog each time. If a + * keypress is not received within the command timeout, return an error. + * + * @return 0 if a key is received in time, -ETIMEDOUT if not + */ +int bootretry_tstc_timeout(void); + +/** + * bootretry_init_cmd_timeout() - set up command timeout + * + * Get the required command timeout from the environment. + */ +void bootretry_init_cmd_timeout(void); + +/** + * bootretry_reset_cmd_timeout() - reset command timeout + * + * Reset the command timeout so that the user has a fresh start. This is + * typically used when input is received from the user. + */ +void bootretry_reset_cmd_timeout(void); + +/** bootretry_dont_retry() - Indicate that we should not retry the boot */ +void bootretry_dont_retry(void); +#else +static inline int bootretry_tstc_timeout(void) +{ + return 0; +} + +static inline void bootretry_init_cmd_timeout(void) +{ +} + +static inline void bootretry_reset_cmd_timeout(void) +{ +} + +static inline void bootretry_dont_retry(void) +{ +} + +#endif + +#endif |