u-boot/common/autoboot.c

1 // SPDX-License-Identifier: GPL-2.0+
15 #include <u-boot/sha256.h>
35  * Use a "constant-length" time compare function for this
38  * https://crackstation.net/hashing-security.htm
78 	 * We don't know how long the stop-string is, so we need to  in passwd_abort()
144 	/* In order to keep up with incoming data, check timeout only  in passwd_abort()
152 				for (i = 0; i < presskey_max - 1; i++)  in passwd_abort()
162 				memcmp(presskey + presskey_len -  in passwd_abort()
183  * returns: 0 -  no key string, allow autoboot 1 - got key string, abort
200 		debug_bootkeys("key timeout\n");  in __abortboot()
225 	if (tstc()) {	/* we got a key press	*/  in __abortboot()
232 		--bootdelay;  in __abortboot()
233 		/* delay 1000 ms */  in __abortboot()
236 			if (tstc()) {	/* we got a key press	*/  in __abortboot()
267 		gd->flags &= ~GD_FLG_SILENT;  in abortboot()
279 	addr = fdtdec_get_config_int(gd->fdt_blob, "kernel-offset", 0);  in process_fdt_options()
284 	addr = fdtdec_get_config_int(gd->fdt_blob, "rootdisk-offset", 0);  in process_fdt_options()
301 	bootdelay = fdtdec_get_config_int(gd->fdt_blob, "bootdelay",  in bootdelay_process()
313 	if (gd->flags & GD_FLG_POSTFAIL) {  in bootdelay_process()
322 	process_fdt_options(gd->fdt_blob);  in bootdelay_process()
332 	if (stored_bootdelay != -1 && s && !abortboot(stored_bootdelay)) {  in autoboot_command()
337 		run_command_list(s, -1, 0);  in autoboot_command()
348 			run_command_list(s, -1, 0);  in autoboot_command()