The autoboot code is complex and long. It deserves its own file with a simple interface from main.c.
Signed-off-by: Simon Glass sjg@chromium.org ---
common/Makefile | 5 + common/autoboot.c | 363 ++++++++++++++++++++++++++++++++++++++++++++++++++++ common/main.c | 366 +---------------------------------------------------- include/autoboot.h | 23 ++++ 4 files changed, 393 insertions(+), 364 deletions(-) create mode 100644 common/autoboot.c create mode 100644 include/autoboot.h
diff --git a/common/Makefile b/common/Makefile index 44967ea..b707e39 100644 --- a/common/Makefile +++ b/common/Makefile @@ -23,6 +23,11 @@ obj-y += s_record.o obj-y += xyzModem.o obj-y += cmd_disk.o
+# This option is not just y/n - it can have a numeric value +ifdef CONFIG_BOOTDELAY +obj-y += autoboot.o +endif + # boards obj-$(CONFIG_SYS_GENERIC_BOARD) += board_f.o obj-$(CONFIG_SYS_GENERIC_BOARD) += board_r.o diff --git a/common/autoboot.c b/common/autoboot.c new file mode 100644 index 0000000..6933e3f --- /dev/null +++ b/common/autoboot.c @@ -0,0 +1,363 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <cli.h> +#include <fdtdec.h> +#include <menu.h> +#include <post.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define MAX_DELAY_STOP_STR 32 + +#ifndef DEBUG_BOOTKEYS +#define DEBUG_BOOTKEYS 0 +#endif +#define debug_bootkeys(fmt, args...) \ + debug_cond(DEBUG_BOOTKEYS, fmt, ##args) + +/*************************************************************************** + * Watch for 'delay' seconds for autoboot stop or autoboot delay string. + * returns: 0 - no key string, allow autoboot 1 - got key string, abort + */ +# if defined(CONFIG_AUTOBOOT_KEYED) +static int abortboot_keyed(int bootdelay) +{ + int abort = 0; + uint64_t etime = endtick(bootdelay); + struct { + char *str; + u_int len; + int retry; + } + delaykey[] = { + { str: getenv("bootdelaykey"), retry: 1 }, + { str: getenv("bootdelaykey2"), retry: 1 }, + { str: getenv("bootstopkey"), retry: 0 }, + { str: getenv("bootstopkey2"), retry: 0 }, + }; + + char presskey[MAX_DELAY_STOP_STR]; + u_int presskey_len = 0; + u_int presskey_max = 0; + u_int i; + +#ifndef CONFIG_ZERO_BOOTDELAY_CHECK + if (bootdelay == 0) + return 0; +#endif + +# ifdef CONFIG_AUTOBOOT_PROMPT + printf(CONFIG_AUTOBOOT_PROMPT); +# endif + +# ifdef CONFIG_AUTOBOOT_DELAY_STR + if (delaykey[0].str == NULL) + delaykey[0].str = CONFIG_AUTOBOOT_DELAY_STR; +# endif +# ifdef CONFIG_AUTOBOOT_DELAY_STR2 + if (delaykey[1].str == NULL) + delaykey[1].str = CONFIG_AUTOBOOT_DELAY_STR2; +# endif +# ifdef CONFIG_AUTOBOOT_STOP_STR + if (delaykey[2].str == NULL) + delaykey[2].str = CONFIG_AUTOBOOT_STOP_STR; +# endif +# ifdef CONFIG_AUTOBOOT_STOP_STR2 + if (delaykey[3].str == NULL) + delaykey[3].str = CONFIG_AUTOBOOT_STOP_STR2; +# endif + + for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i++) { + delaykey[i].len = delaykey[i].str == NULL ? + 0 : strlen(delaykey[i].str); + delaykey[i].len = delaykey[i].len > MAX_DELAY_STOP_STR ? + MAX_DELAY_STOP_STR : delaykey[i].len; + + presskey_max = presskey_max > delaykey[i].len ? + presskey_max : delaykey[i].len; + + debug_bootkeys("%s key:<%s>\n", + delaykey[i].retry ? "delay" : "stop", + delaykey[i].str ? delaykey[i].str : "NULL"); + } + + /* In order to keep up with incoming data, check timeout only + * when catch up. + */ + do { + if (tstc()) { + if (presskey_len < presskey_max) { + presskey[presskey_len++] = getc(); + } else { + for (i = 0; i < presskey_max - 1; i++) + presskey[i] = presskey[i + 1]; + + presskey[i] = getc(); + } + } + + for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i++) { + if (delaykey[i].len > 0 && + presskey_len >= delaykey[i].len && + memcmp(presskey + presskey_len - + delaykey[i].len, delaykey[i].str, + delaykey[i].len) == 0) { + debug_bootkeys("got %skey\n", + delaykey[i].retry ? "delay" : + "stop"); + +# ifdef CONFIG_BOOT_RETRY_TIME + /* don't retry auto boot */ + if (!delaykey[i].retry) + bootretry_dont_retry(); +# endif + abort = 1; + } + } + } while (!abort && get_ticks() <= etime); + + if (!abort) + debug_bootkeys("key timeout\n"); + +#ifdef CONFIG_SILENT_CONSOLE + if (abort) + gd->flags &= ~GD_FLG_SILENT; +#endif + + return abort; +} + +# else /* !defined(CONFIG_AUTOBOOT_KEYED) */ + +#ifdef CONFIG_MENUKEY +static int menukey; +#endif + +static int abortboot_normal(int bootdelay) +{ + int abort = 0; + unsigned long ts; + +#ifdef CONFIG_MENUPROMPT + printf(CONFIG_MENUPROMPT); +#else + if (bootdelay >= 0) + printf("Hit any key to stop autoboot: %2d ", bootdelay); +#endif + +#if defined CONFIG_ZERO_BOOTDELAY_CHECK + /* + * Check if key already pressed + * Don't check if bootdelay < 0 + */ + if (bootdelay >= 0) { + if (tstc()) { /* we got a key press */ + (void) getc(); /* consume input */ + puts("\b\b\b 0"); + abort = 1; /* don't auto boot */ + } + } +#endif + + while ((bootdelay > 0) && (!abort)) { + --bootdelay; + /* delay 1000 ms */ + ts = get_timer(0); + do { + if (tstc()) { /* we got a key press */ + abort = 1; /* don't auto boot */ + bootdelay = 0; /* no more delay */ +# ifdef CONFIG_MENUKEY + menukey = getc(); +# else + (void) getc(); /* consume input */ +# endif + break; + } + udelay(10000); + } while (!abort && get_timer(ts) < 1000); + + printf("\b\b\b%2d ", bootdelay); + } + + putc('\n'); + +#ifdef CONFIG_SILENT_CONSOLE + if (abort) + gd->flags &= ~GD_FLG_SILENT; +#endif + + return abort; +} +# endif /* CONFIG_AUTOBOOT_KEYED */ + +static int abortboot(int bootdelay) +{ +#ifdef CONFIG_AUTOBOOT_KEYED + return abortboot_keyed(bootdelay); +#else + return abortboot_normal(bootdelay); +#endif +} + +/* + * Runs the given boot command securely. Specifically: + * - Doesn't run the command with the shell (run_command or parse_string_outer), + * since that's a lot of code surface that an attacker might exploit. + * Because of this, we don't do any argument parsing--the secure boot command + * has to be a full-fledged u-boot command. + * - Doesn't check for keypresses before booting, since that could be a + * security hole; also disables Ctrl-C. + * - Doesn't allow the command to return. + * + * Upon any failures, this function will drop into an infinite loop after + * printing the error message to console. + */ + +#if defined(CONFIG_OF_CONTROL) +static void secure_boot_cmd(char *cmd) +{ + cmd_tbl_t *cmdtp; + int rc; + + if (!cmd) { + printf("## Error: Secure boot command not specified\n"); + goto err; + } + + /* Disable Ctrl-C just in case some command is used that checks it. */ + disable_ctrlc(1); + + /* Find the command directly. */ + cmdtp = find_cmd(cmd); + if (!cmdtp) { + printf("## Error: "%s" not defined\n", cmd); + goto err; + } + + /* Run the command, forcing no flags and faking argc and argv. */ + rc = (cmdtp->cmd)(cmdtp, 0, 1, &cmd); + + /* Shouldn't ever return from boot command. */ + printf("## Error: "%s" returned (code %d)\n", cmd, rc); + +err: + /* + * Not a whole lot to do here. Rebooting won't help much, since we'll + * just end up right back here. Just loop. + */ + hang(); +} + +static void process_fdt_options(const void *blob) +{ + ulong addr; + + /* Add an env variable to point to a kernel payload, if available */ + addr = fdtdec_get_config_int(gd->fdt_blob, "kernel-offset", 0); + if (addr) + setenv_addr("kernaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); + + /* Add an env variable to point to a root disk, if available */ + addr = fdtdec_get_config_int(gd->fdt_blob, "rootdisk-offset", 0); + if (addr) + setenv_addr("rootaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); +} +#endif /* CONFIG_OF_CONTROL */ + +void bootdelay_process(void) +{ +#ifdef CONFIG_OF_CONTROL + char *env; +#endif + char *s; + int bootdelay; +#ifdef CONFIG_BOOTCOUNT_LIMIT + unsigned long bootcount = 0; + unsigned long bootlimit = 0; +#endif /* CONFIG_BOOTCOUNT_LIMIT */ + +#ifdef CONFIG_BOOTCOUNT_LIMIT + bootcount = bootcount_load(); + bootcount++; + bootcount_store(bootcount); + setenv_ulong("bootcount", bootcount); + bootlimit = getenv_ulong("bootlimit", 10, 0); +#endif /* CONFIG_BOOTCOUNT_LIMIT */ + + s = getenv("bootdelay"); + bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY; + +#ifdef CONFIG_OF_CONTROL + bootdelay = fdtdec_get_config_int(gd->fdt_blob, "bootdelay", + bootdelay); +#endif + + debug("### main_loop entered: bootdelay=%d\n\n", bootdelay); + +#if defined(CONFIG_MENU_SHOW) + bootdelay = menu_show(bootdelay); +#endif +# ifdef CONFIG_BOOT_RETRY_TIME + init_cmd_timeout(); +# endif /* CONFIG_BOOT_RETRY_TIME */ + +#ifdef CONFIG_POST + if (gd->flags & GD_FLG_POSTFAIL) { + s = getenv("failbootcmd"); + } else +#endif /* CONFIG_POST */ +#ifdef CONFIG_BOOTCOUNT_LIMIT + if (bootlimit && (bootcount > bootlimit)) { + printf("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n", + (unsigned)bootlimit); + s = getenv("altbootcmd"); + } else +#endif /* CONFIG_BOOTCOUNT_LIMIT */ + s = getenv("bootcmd"); +#ifdef CONFIG_OF_CONTROL + /* Allow the fdt to override the boot command */ + env = fdtdec_get_config_string(gd->fdt_blob, "bootcmd"); + if (env) + s = env; + + process_fdt_options(gd->fdt_blob); + + /* + * If the bootsecure option was chosen, use secure_boot_cmd(). + * Always use 'env' in this case, since bootsecure requres that the + * bootcmd was specified in the FDT too. + */ + if (fdtdec_get_config_int(gd->fdt_blob, "bootsecure", 0)) + secure_boot_cmd(env); + +#endif /* CONFIG_OF_CONTROL */ + + debug("### main_loop: bootcmd="%s"\n", s ? s : "<UNDEFINED>"); + + if (bootdelay != -1 && s && !abortboot(bootdelay)) { +#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) + int prev = disable_ctrlc(1); /* disable Control C checking */ +#endif + + run_command_list(s, -1, 0); + +#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) + disable_ctrlc(prev); /* restore Control C checking */ +#endif + } + +#ifdef CONFIG_MENUKEY + if (menukey == CONFIG_MENUKEY) { + s = getenv("menucmd"); + if (s) + run_command_list(s, -1, 0); + } +#endif /* CONFIG_MENUKEY */ +} diff --git a/common/main.c b/common/main.c index 9470e47..45f1b5c 100644 --- a/common/main.c +++ b/common/main.c @@ -8,384 +8,24 @@ /* #define DEBUG */
#include <common.h> +#include <autoboot.h> #include <cli.h> #include <command.h> -#include <fdtdec.h> #include <cli_hush.h> #include <malloc.h> -#include <menu.h> -#include <post.h> #include <version.h>
-DECLARE_GLOBAL_DATA_PTR; - /* * Board-specific Platform code can reimplement show_boot_progress () if needed */ void inline __show_boot_progress (int val) {} void show_boot_progress (int val) __attribute__((weak, alias("__show_boot_progress")));
-#define MAX_DELAY_STOP_STR 32 - -#ifndef DEBUG_BOOTKEYS -#define DEBUG_BOOTKEYS 0 -#endif -#define debug_bootkeys(fmt, args...) \ - debug_cond(DEBUG_BOOTKEYS, fmt, ##args) - #ifdef CONFIG_MODEM_SUPPORT int do_mdm_init = 0; extern void mdm_init(void); /* defined in board.c */ #endif
-/*************************************************************************** - * Watch for 'delay' seconds for autoboot stop or autoboot delay string. - * returns: 0 - no key string, allow autoboot 1 - got key string, abort - */ -#if defined(CONFIG_BOOTDELAY) -# if defined(CONFIG_AUTOBOOT_KEYED) -static int abortboot_keyed(int bootdelay) -{ - int abort = 0; - uint64_t etime = endtick(bootdelay); - struct { - char* str; - u_int len; - int retry; - } - delaykey [] = { - { str: getenv ("bootdelaykey"), retry: 1 }, - { str: getenv ("bootdelaykey2"), retry: 1 }, - { str: getenv ("bootstopkey"), retry: 0 }, - { str: getenv ("bootstopkey2"), retry: 0 }, - }; - - char presskey [MAX_DELAY_STOP_STR]; - u_int presskey_len = 0; - u_int presskey_max = 0; - u_int i; - -#ifndef CONFIG_ZERO_BOOTDELAY_CHECK - if (bootdelay == 0) - return 0; -#endif - -# ifdef CONFIG_AUTOBOOT_PROMPT - printf(CONFIG_AUTOBOOT_PROMPT); -# endif - -# ifdef CONFIG_AUTOBOOT_DELAY_STR - if (delaykey[0].str == NULL) - delaykey[0].str = CONFIG_AUTOBOOT_DELAY_STR; -# endif -# ifdef CONFIG_AUTOBOOT_DELAY_STR2 - if (delaykey[1].str == NULL) - delaykey[1].str = CONFIG_AUTOBOOT_DELAY_STR2; -# endif -# ifdef CONFIG_AUTOBOOT_STOP_STR - if (delaykey[2].str == NULL) - delaykey[2].str = CONFIG_AUTOBOOT_STOP_STR; -# endif -# ifdef CONFIG_AUTOBOOT_STOP_STR2 - if (delaykey[3].str == NULL) - delaykey[3].str = CONFIG_AUTOBOOT_STOP_STR2; -# endif - - for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { - delaykey[i].len = delaykey[i].str == NULL ? - 0 : strlen (delaykey[i].str); - delaykey[i].len = delaykey[i].len > MAX_DELAY_STOP_STR ? - MAX_DELAY_STOP_STR : delaykey[i].len; - - presskey_max = presskey_max > delaykey[i].len ? - presskey_max : delaykey[i].len; - - debug_bootkeys("%s key:<%s>\n", - delaykey[i].retry ? "delay" : "stop", - delaykey[i].str ? delaykey[i].str : "NULL"); - } - - /* In order to keep up with incoming data, check timeout only - * when catch up. - */ - do { - if (tstc()) { - if (presskey_len < presskey_max) { - presskey [presskey_len ++] = getc(); - } - else { - for (i = 0; i < presskey_max - 1; i ++) - presskey [i] = presskey [i + 1]; - - presskey [i] = getc(); - } - } - - for (i = 0; i < sizeof(delaykey) / sizeof(delaykey[0]); i ++) { - if (delaykey[i].len > 0 && - presskey_len >= delaykey[i].len && - memcmp (presskey + presskey_len - delaykey[i].len, - delaykey[i].str, - delaykey[i].len) == 0) { - debug_bootkeys("got %skey\n", - delaykey[i].retry ? "delay" : - "stop"); - -# ifdef CONFIG_BOOT_RETRY_TIME - /* don't retry auto boot */ - if (! delaykey[i].retry) - bootretry_dont_retry(); -# endif - abort = 1; - } - } - } while (!abort && get_ticks() <= etime); - - if (!abort) - debug_bootkeys("key timeout\n"); - -#ifdef CONFIG_SILENT_CONSOLE - if (abort) - gd->flags &= ~GD_FLG_SILENT; -#endif - - return abort; -} - -# else /* !defined(CONFIG_AUTOBOOT_KEYED) */ - -#ifdef CONFIG_MENUKEY -static int menukey = 0; -#endif - -static int abortboot_normal(int bootdelay) -{ - int abort = 0; - unsigned long ts; - -#ifdef CONFIG_MENUPROMPT - printf(CONFIG_MENUPROMPT); -#else - if (bootdelay >= 0) - printf("Hit any key to stop autoboot: %2d ", bootdelay); -#endif - -#if defined CONFIG_ZERO_BOOTDELAY_CHECK - /* - * Check if key already pressed - * Don't check if bootdelay < 0 - */ - if (bootdelay >= 0) { - if (tstc()) { /* we got a key press */ - (void) getc(); /* consume input */ - puts ("\b\b\b 0"); - abort = 1; /* don't auto boot */ - } - } -#endif - - while ((bootdelay > 0) && (!abort)) { - --bootdelay; - /* delay 1000 ms */ - ts = get_timer(0); - do { - if (tstc()) { /* we got a key press */ - abort = 1; /* don't auto boot */ - bootdelay = 0; /* no more delay */ -# ifdef CONFIG_MENUKEY - menukey = getc(); -# else - (void) getc(); /* consume input */ -# endif - break; - } - udelay(10000); - } while (!abort && get_timer(ts) < 1000); - - printf("\b\b\b%2d ", bootdelay); - } - - putc('\n'); - -#ifdef CONFIG_SILENT_CONSOLE - if (abort) - gd->flags &= ~GD_FLG_SILENT; -#endif - - return abort; -} -# endif /* CONFIG_AUTOBOOT_KEYED */ - -static int abortboot(int bootdelay) -{ -#ifdef CONFIG_AUTOBOOT_KEYED - return abortboot_keyed(bootdelay); -#else - return abortboot_normal(bootdelay); -#endif -} -#endif /* CONFIG_BOOTDELAY */ - -/* - * Runs the given boot command securely. Specifically: - * - Doesn't run the command with the shell (run_command or parse_string_outer), - * since that's a lot of code surface that an attacker might exploit. - * Because of this, we don't do any argument parsing--the secure boot command - * has to be a full-fledged u-boot command. - * - Doesn't check for keypresses before booting, since that could be a - * security hole; also disables Ctrl-C. - * - Doesn't allow the command to return. - * - * Upon any failures, this function will drop into an infinite loop after - * printing the error message to console. - */ - -#if defined(CONFIG_BOOTDELAY) && defined(CONFIG_OF_CONTROL) -static void secure_boot_cmd(char *cmd) -{ - cmd_tbl_t *cmdtp; - int rc; - - if (!cmd) { - printf("## Error: Secure boot command not specified\n"); - goto err; - } - - /* Disable Ctrl-C just in case some command is used that checks it. */ - disable_ctrlc(1); - - /* Find the command directly. */ - cmdtp = find_cmd(cmd); - if (!cmdtp) { - printf("## Error: "%s" not defined\n", cmd); - goto err; - } - - /* Run the command, forcing no flags and faking argc and argv. */ - rc = (cmdtp->cmd)(cmdtp, 0, 1, &cmd); - - /* Shouldn't ever return from boot command. */ - printf("## Error: "%s" returned (code %d)\n", cmd, rc); - -err: - /* - * Not a whole lot to do here. Rebooting won't help much, since we'll - * just end up right back here. Just loop. - */ - hang(); -} - -static void process_fdt_options(const void *blob) -{ - ulong addr; - - /* Add an env variable to point to a kernel payload, if available */ - addr = fdtdec_get_config_int(gd->fdt_blob, "kernel-offset", 0); - if (addr) - setenv_addr("kernaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); - - /* Add an env variable to point to a root disk, if available */ - addr = fdtdec_get_config_int(gd->fdt_blob, "rootdisk-offset", 0); - if (addr) - setenv_addr("rootaddr", (void *)(CONFIG_SYS_TEXT_BASE + addr)); -} -#endif /* CONFIG_OF_CONTROL */ - -#ifdef CONFIG_BOOTDELAY -static void process_boot_delay(void) -{ -#ifdef CONFIG_OF_CONTROL - char *env; -#endif - char *s; - int bootdelay; -#ifdef CONFIG_BOOTCOUNT_LIMIT - unsigned long bootcount = 0; - unsigned long bootlimit = 0; -#endif /* CONFIG_BOOTCOUNT_LIMIT */ - -#ifdef CONFIG_BOOTCOUNT_LIMIT - bootcount = bootcount_load(); - bootcount++; - bootcount_store (bootcount); - setenv_ulong("bootcount", bootcount); - bootlimit = getenv_ulong("bootlimit", 10, 0); -#endif /* CONFIG_BOOTCOUNT_LIMIT */ - - s = getenv ("bootdelay"); - bootdelay = s ? (int)simple_strtol(s, NULL, 10) : CONFIG_BOOTDELAY; - -#ifdef CONFIG_OF_CONTROL - bootdelay = fdtdec_get_config_int(gd->fdt_blob, "bootdelay", - bootdelay); -#endif - - debug ("### main_loop entered: bootdelay=%d\n\n", bootdelay); - -#if defined(CONFIG_MENU_SHOW) - bootdelay = menu_show(bootdelay); -#endif -# ifdef CONFIG_BOOT_RETRY_TIME - init_cmd_timeout (); -# endif /* CONFIG_BOOT_RETRY_TIME */ - -#ifdef CONFIG_POST - if (gd->flags & GD_FLG_POSTFAIL) { - s = getenv("failbootcmd"); - } - else -#endif /* CONFIG_POST */ -#ifdef CONFIG_BOOTCOUNT_LIMIT - if (bootlimit && (bootcount > bootlimit)) { - printf ("Warning: Bootlimit (%u) exceeded. Using altbootcmd.\n", - (unsigned)bootlimit); - s = getenv ("altbootcmd"); - } - else -#endif /* CONFIG_BOOTCOUNT_LIMIT */ - s = getenv ("bootcmd"); -#ifdef CONFIG_OF_CONTROL - /* Allow the fdt to override the boot command */ - env = fdtdec_get_config_string(gd->fdt_blob, "bootcmd"); - if (env) - s = env; - - process_fdt_options(gd->fdt_blob); - - /* - * If the bootsecure option was chosen, use secure_boot_cmd(). - * Always use 'env' in this case, since bootsecure requres that the - * bootcmd was specified in the FDT too. - */ - if (fdtdec_get_config_int(gd->fdt_blob, "bootsecure", 0)) - secure_boot_cmd(env); - -#endif /* CONFIG_OF_CONTROL */ - - debug ("### main_loop: bootcmd="%s"\n", s ? s : "<UNDEFINED>"); - - if (bootdelay != -1 && s && !abortboot(bootdelay)) { -#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) - int prev = disable_ctrlc(1); /* disable Control C checking */ -#endif - - run_command_list(s, -1, 0); - -#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) - disable_ctrlc(prev); /* restore Control C checking */ -#endif - } - -#ifdef CONFIG_MENUKEY - if (menukey == CONFIG_MENUKEY) { - s = getenv("menucmd"); - if (s) - run_command_list(s, -1, 0); - } -#endif /* CONFIG_MENUKEY */ -} -#endif /* CONFIG_BOOTDELAY */ - void main_loop(void) { #ifdef CONFIG_PREBOOT @@ -438,9 +78,7 @@ void main_loop(void) update_tftp(0UL); #endif /* CONFIG_UPDATE_TFTP */
-#ifdef CONFIG_BOOTDELAY - process_boot_delay(); -#endif + bootdelay_process(); /* * Main Loop for Monitor Command Processing */ diff --git a/include/autoboot.h b/include/autoboot.h new file mode 100644 index 0000000..aaae4af --- /dev/null +++ b/include/autoboot.h @@ -0,0 +1,23 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Add to readline cmdline-editing by + * (C) Copyright 2005 + * JinHua Luo, GuangDong Linux Center, luo.jinhua@gd-linux.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __AUTOBOOT_H +#define __AUTOBOOT_H + +#ifdef CONFIG_BOOTDELAY +void bootdelay_process(void); +#else +static inline void bootdelay_process(void) +{ +} +#endif + +#endif