diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 20 | ||||
| -rw-r--r-- | common/autoboot.c | 303 | ||||
| -rw-r--r-- | common/board_r.c | 14 | ||||
| -rw-r--r-- | common/bootretry.c | 59 | ||||
| -rw-r--r-- | common/cli.c | 194 | ||||
| -rw-r--r-- | common/cli_hush.c (renamed from common/hush.c) | 17 | ||||
| -rw-r--r-- | common/cli_readline.c | 621 | ||||
| -rw-r--r-- | common/cli_simple.c | 337 | ||||
| -rw-r--r-- | common/cmd_bedbug.c | 29 | ||||
| -rw-r--r-- | common/cmd_bootm.c | 4 | ||||
| -rw-r--r-- | common/cmd_bootmenu.c | 1 | ||||
| -rw-r--r-- | common/cmd_dcr.c | 3 | ||||
| -rw-r--r-- | common/cmd_demo.c | 4 | ||||
| -rw-r--r-- | common/cmd_gpio.c | 4 | ||||
| -rw-r--r-- | common/cmd_i2c.c | 17 | ||||
| -rw-r--r-- | common/cmd_mem.c | 17 | ||||
| -rw-r--r-- | common/cmd_nvedit.c | 5 | ||||
| -rw-r--r-- | common/cmd_pci.c | 13 | ||||
| -rw-r--r-- | common/main.c | 1533 | ||||
| -rw-r--r-- | common/menu.c | 6 |
20 files changed, 1620 insertions, 1581 deletions
diff --git a/common/Makefile b/common/Makefile index 219cb51..391a8d6 100644 --- a/common/Makefile +++ b/common/Makefile @@ -11,11 +11,29 @@ obj-y += main.o obj-y += command.o obj-y += exports.o obj-y += hash.o -obj-$(CONFIG_SYS_HUSH_PARSER) += hush.o +ifdef CONFIG_SYS_HUSH_PARSER +obj-y += cli_hush.o +endif + +# We always have this since drivers/ddr/fs/interactive.c needs it +obj-y += cli_simple.o + +obj-y += cli.o +obj-y += cli_readline.o obj-y += s_record.o obj-y += xyzModem.o obj-y += cmd_disk.o +# This option is not just y/n - it can have a numeric value +ifdef CONFIG_BOOTDELAY +obj-y += autoboot.o +endif + +# This option is not just y/n - it can have a numeric value +ifdef CONFIG_BOOT_RETRY_TIME +obj-y += bootretry.o +endif + # boards obj-$(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..dc24cae --- /dev/null +++ b/common/autoboot.c @@ -0,0 +1,303 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <bootretry.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) + +/* Stored value of bootdelay, used by autoboot_command() */ +static int stored_bootdelay; + +/*************************************************************************** + * 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"); + + /* don't retry auto boot */ + if (!delaykey[i].retry) + bootretry_dont_retry(); + 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 +} + +static void process_fdt_options(const void *blob) +{ +#if defined(CONFIG_OF_CONTROL) + 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 */ +} + +const char *bootdelay_process(void) +{ + 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 + bootretry_init_cmd_timeout(); + +#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"); + + process_fdt_options(gd->fdt_blob); + stored_bootdelay = bootdelay; + + return s; +} + +void autoboot_command(const char *s) +{ + debug("### main_loop: bootcmd=\"%s\"\n", s ? s : "<UNDEFINED>"); + + if (stored_bootdelay != -1 && s && !abortboot(stored_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/board_r.c b/common/board_r.c index d1f0aa9..602a239 100644 --- a/common/board_r.c +++ b/common/board_r.c @@ -704,17 +704,6 @@ static int initr_kbd(void) } #endif -#ifdef CONFIG_MODEM_SUPPORT -static int initr_modem(void) -{ - /* TODO: with new initcalls, move this into the driver */ - extern int do_mdm_init; - - do_mdm_init = gd->do_mdm_init; - return 0; -} -#endif - static int run_main_loop(void) { #ifdef CONFIG_SANDBOX @@ -929,9 +918,6 @@ init_fnc_t init_sequence_r[] = { #ifdef CONFIG_PS2KBD initr_kbd, #endif -#ifdef CONFIG_MODEM_SUPPORT - initr_modem, -#endif run_main_loop, }; diff --git a/common/bootretry.c b/common/bootretry.c new file mode 100644 index 0000000..2d82798 --- /dev/null +++ b/common/bootretry.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <bootretry.h> +#include <cli.h> +#include <errno.h> +#include <watchdog.h> + +#ifndef CONFIG_BOOT_RETRY_MIN +#define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME +#endif + +static uint64_t endtime; /* must be set, default is instant timeout */ +static int retry_time = -1; /* -1 so can call readline before main_loop */ + +/*************************************************************************** + * initialize command line timeout + */ +void bootretry_init_cmd_timeout(void) +{ + char *s = getenv("bootretry"); + + if (s != NULL) + retry_time = (int)simple_strtol(s, NULL, 10); + else + retry_time = CONFIG_BOOT_RETRY_TIME; + + if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN) + retry_time = CONFIG_BOOT_RETRY_MIN; +} + +/*************************************************************************** + * reset command line timeout to retry_time seconds + */ +void bootretry_reset_cmd_timeout(void) +{ + endtime = endtick(retry_time); +} + +int bootretry_tstc_timeout(void) +{ + while (!tstc()) { /* while no incoming data */ + if (retry_time >= 0 && get_ticks() > endtime) + return -ETIMEDOUT; + WATCHDOG_RESET(); + } + + return 0; +} + +void bootretry_dont_retry(void) +{ + retry_time = -1; +} diff --git a/common/cli.c b/common/cli.c new file mode 100644 index 0000000..ea6bfb3 --- /dev/null +++ b/common/cli.c @@ -0,0 +1,194 @@ +/* + * (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+ + */ + +#include <common.h> +#include <cli.h> +#include <cli_hush.h> +#include <fdtdec.h> +#include <malloc.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Run a command using the selected parser. + * + * @param cmd Command to run + * @param flag Execution flags (CMD_FLAG_...) + * @return 0 on success, or != 0 on error. + */ +int run_command(const char *cmd, int flag) +{ +#ifndef CONFIG_SYS_HUSH_PARSER + /* + * cli_run_command can return 0 or 1 for success, so clean up + * its result. + */ + if (cli_simple_run_command(cmd, flag) == -1) + return 1; + + return 0; +#else + return parse_string_outer(cmd, + FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); +#endif +} + +int run_command_list(const char *cmd, int len, int flag) +{ + int need_buff = 1; + char *buff = (char *)cmd; /* cast away const */ + int rcode = 0; + + if (len == -1) { + len = strlen(cmd); +#ifdef CONFIG_SYS_HUSH_PARSER + /* hush will never change our string */ + need_buff = 0; +#else + /* the built-in parser will change our string if it sees \n */ + need_buff = strchr(cmd, '\n') != NULL; +#endif + } + if (need_buff) { + buff = malloc(len + 1); + if (!buff) + return 1; + memcpy(buff, cmd, len); + buff[len] = '\0'; + } +#ifdef CONFIG_SYS_HUSH_PARSER + rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON); +#else + /* + * This function will overwrite any \n it sees with a \0, which + * is why it can't work with a const char *. Here we are making + * using of internal knowledge of this function, to avoid always + * doing a malloc() which is actually required only in a case that + * is pretty rare. + */ + rcode = cli_simple_run_command_list(buff, flag); + if (need_buff) + free(buff); +#endif + + return rcode; +} + +/****************************************************************************/ + +#if defined(CONFIG_CMD_RUN) +int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int i; + + if (argc < 2) + return CMD_RET_USAGE; + + for (i = 1; i < argc; ++i) { + char *arg; + + arg = getenv(argv[i]); + if (arg == NULL) { + printf("## Error: \"%s\" not defined\n", argv[i]); + return 1; + } + + if (run_command(arg, flag) != 0) + return 1; + } + return 0; +} +#endif + +#ifdef CONFIG_OF_CONTROL +bool cli_process_fdt(const char **cmdp) +{ + /* Allow the fdt to override the boot command */ + char *env = fdtdec_get_config_string(gd->fdt_blob, "bootcmd"); + if (env) + *cmdp = env; + /* + * 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. + */ + return fdtdec_get_config_int(gd->fdt_blob, "bootsecure", 0) != 0; +} + +/* + * 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. + */ +void cli_secure_boot_cmd(const 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, (char **)&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(); +} +#endif /* CONFIG_OF_CONTROL */ + +void cli_loop(void) +{ +#ifdef CONFIG_SYS_HUSH_PARSER + parse_file_outer(); + /* This point is never reached */ + for (;;); +#else + cli_simple_loop(); +#endif /*CONFIG_SYS_HUSH_PARSER*/ +} + +void cli_init(void) +{ +#ifdef CONFIG_SYS_HUSH_PARSER + u_boot_hush_start(); +#endif + +#if defined(CONFIG_HUSH_INIT_VAR) + hush_init_var(); +#endif +} diff --git a/common/hush.c b/common/cli_hush.c index 5b43224..0f069b0 100644 --- a/common/hush.c +++ b/common/cli_hush.c @@ -79,7 +79,9 @@ #include <malloc.h> /* malloc, free, realloc*/ #include <linux/ctype.h> /* isalpha, isdigit */ #include <common.h> /* readline */ -#include <hush.h> +#include <bootretry.h> +#include <cli.h> +#include <cli_hush.h> #include <command.h> /* find_cmd */ #ifndef CONFIG_SYS_PROMPT_HUSH_PS2 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> " @@ -222,7 +224,7 @@ struct child_prog { #endif char **argv; /* program name and arguments */ /* was quoted when parsed; copy of struct o_string.nonnull field */ - int *argv_nonnull; + int *argv_nonnull; #ifdef __U_BOOT__ int argc; /* number of program arguments */ #endif @@ -998,17 +1000,12 @@ static void get_user_input(struct in_str *i) int n; static char the_command[CONFIG_SYS_CBSIZE + 1]; -#ifdef CONFIG_BOOT_RETRY_TIME -# ifndef CONFIG_RESET_TO_RETRY -# error "This currently only works with CONFIG_RESET_TO_RETRY enabled" -# endif - reset_cmd_timeout(); -#endif + bootretry_reset_cmd_timeout(); i->__promptme = 1; if (i->promptmode == 1) { - n = readline(CONFIG_SYS_PROMPT); + n = cli_readline(CONFIG_SYS_PROMPT); } else { - n = readline(CONFIG_SYS_PROMPT_HUSH_PS2); + n = cli_readline(CONFIG_SYS_PROMPT_HUSH_PS2); } #ifdef CONFIG_BOOT_RETRY_TIME if (n == -2) { diff --git a/common/cli_readline.c b/common/cli_readline.c new file mode 100644 index 0000000..9a9fb35 --- /dev/null +++ b/common/cli_readline.c @@ -0,0 +1,621 @@ +/* + * (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+ + */ + +#include <common.h> +#include <bootretry.h> +#include <cli.h> +#include <watchdog.h> + +DECLARE_GLOBAL_DATA_PTR; + +static const char erase_seq[] = "\b \b"; /* erase sequence */ +static const char tab_seq[] = " "; /* used to expand TABs */ + +char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */ + +static char *delete_char (char *buffer, char *p, int *colp, int *np, int plen) +{ + char *s; + + if (*np == 0) + return p; + + if (*(--p) == '\t') { /* will retype the whole line */ + while (*colp > plen) { + puts(erase_seq); + (*colp)--; + } + for (s = buffer; s < p; ++s) { + if (*s == '\t') { + puts(tab_seq + ((*colp) & 07)); + *colp += 8 - ((*colp) & 07); + } else { + ++(*colp); + putc(*s); + } + } + } else { + puts(erase_seq); + (*colp)--; + } + (*np)--; + + return p; +} + +#ifdef CONFIG_CMDLINE_EDITING + +/* + * cmdline-editing related codes from vivi. + * Author: Janghoon Lyu <nandy@mizi.com> + */ + +#define putnstr(str, n) printf("%.*s", (int)n, str) + +#define CTL_CH(c) ((c) - 'a' + 1) +#define CTL_BACKSPACE ('\b') +#define DEL ((char)255) +#define DEL7 ((char)127) +#define CREAD_HIST_CHAR ('!') + +#define getcmd_putch(ch) putc(ch) +#define getcmd_getch() getc() +#define getcmd_cbeep() getcmd_putch('\a') + +#define HIST_MAX 20 +#define HIST_SIZE CONFIG_SYS_CBSIZE + +static int hist_max; +static int hist_add_idx; +static int hist_cur = -1; +static unsigned hist_num; + +static char *hist_list[HIST_MAX]; +static char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */ + +#define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) + +static void hist_init(void) +{ + int i; + + hist_max = 0; + hist_add_idx = 0; + hist_cur = -1; + hist_num = 0; + + for (i = 0; i < HIST_MAX; i++) { + hist_list[i] = hist_lines[i]; + hist_list[i][0] = '\0'; + } +} + +static void cread_add_to_hist(char *line) +{ + strcpy(hist_list[hist_add_idx], line); + + if (++hist_add_idx >= HIST_MAX) + hist_add_idx = 0; + + if (hist_add_idx > hist_max) + hist_max = hist_add_idx; + + hist_num++; +} + +static char *hist_prev(void) +{ + char *ret; + int old_cur; + + if (hist_cur < 0) + return NULL; + + old_cur = hist_cur; + if (--hist_cur < 0) + hist_cur = hist_max; + + if (hist_cur == hist_add_idx) { + hist_cur = old_cur; + ret = NULL; + } else { + ret = hist_list[hist_cur]; + } + + return ret; +} + +static char *hist_next(void) +{ + char *ret; + + if (hist_cur < 0) + return NULL; + + if (hist_cur == hist_add_idx) + return NULL; + + if (++hist_cur > hist_max) + hist_cur = 0; + + if (hist_cur == hist_add_idx) + ret = ""; + else + ret = hist_list[hist_cur]; + + return ret; +} + +#ifndef CONFIG_CMDLINE_EDITING +static void cread_print_hist_list(void) +{ + int i; + unsigned long n; + + n = hist_num - hist_max; + + i = hist_add_idx + 1; + while (1) { + if (i > hist_max) + i = 0; + if (i == hist_add_idx) + break; + printf("%s\n", hist_list[i]); + n++; + i++; + } +} +#endif /* CONFIG_CMDLINE_EDITING */ + +#define BEGINNING_OF_LINE() { \ + while (num) { \ + getcmd_putch(CTL_BACKSPACE); \ + num--; \ + } \ +} + +#define ERASE_TO_EOL() { \ + if (num < eol_num) { \ + printf("%*s", (int)(eol_num - num), ""); \ + do { \ + getcmd_putch(CTL_BACKSPACE); \ + } while (--eol_num > num); \ + } \ +} + +#define REFRESH_TO_EOL() { \ + if (num < eol_num) { \ + wlen = eol_num - num; \ + putnstr(buf + num, wlen); \ + num = eol_num; \ + } \ +} + +static void cread_add_char(char ichar, int insert, unsigned long *num, + unsigned long *eol_num, char *buf, unsigned long len) +{ + unsigned long wlen; + + /* room ??? */ + if (insert || *num == *eol_num) { + if (*eol_num > len - 1) { + getcmd_cbeep(); + return; + } + (*eol_num)++; + } + + if (insert) { + wlen = *eol_num - *num; + if (wlen > 1) + memmove(&buf[*num+1], &buf[*num], wlen-1); + + buf[*num] = ichar; + putnstr(buf + *num, wlen); + (*num)++; + while (--wlen) + getcmd_putch(CTL_BACKSPACE); + } else { + /* echo the character */ + wlen = 1; + buf[*num] = ichar; + putnstr(buf + *num, wlen); + (*num)++; + } +} + +static void cread_add_str(char *str, int strsize, int insert, + unsigned long *num, unsigned long *eol_num, + char *buf, unsigned long len) +{ + while (strsize--) { + cread_add_char(*str, insert, num, eol_num, buf, len); + str++; + } +} + +static int cread_line(const char *const prompt, char *buf, unsigned int *len, + int timeout) +{ + unsigned long num = 0; + unsigned long eol_num = 0; + unsigned long wlen; + char ichar; + int insert = 1; + int esc_len = 0; + char esc_save[8]; + int init_len = strlen(buf); + int first = 1; + + if (init_len) + cread_add_str(buf, init_len, 1, &num, &eol_num, buf, *len); + + while (1) { + if (bootretry_tstc_timeout()) + return -2; /* timed out */ + if (first && timeout) { + uint64_t etime = endtick(timeout); + + while (!tstc()) { /* while no incoming data */ + if (get_ticks() >= etime) + return -2; /* timed out */ + WATCHDOG_RESET(); + } + first = 0; + } + + ichar = getcmd_getch(); + + if ((ichar == '\n') || (ichar == '\r')) { + putc('\n'); + break; + } + + /* + * handle standard linux xterm esc sequences for arrow key, etc. + */ + if (esc_len != 0) { + if (esc_len == 1) { + if (ichar == '[') { + esc_save[esc_len] = ichar; + esc_len = 2; + } else { + cread_add_str(esc_save, esc_len, + insert, &num, &eol_num, + buf, *len); + esc_len = 0; + } + continue; + } + + switch (ichar) { + case 'D': /* <- key */ + ichar = CTL_CH('b'); + esc_len = 0; + break; + case 'C': /* -> key */ + ichar = CTL_CH('f'); + esc_len = 0; + break; /* pass off to ^F handler */ + case 'H': /* Home key */ + ichar = CTL_CH('a'); + esc_len = 0; + break; /* pass off to ^A handler */ + case 'A': /* up arrow */ + ichar = CTL_CH('p'); + esc_len = 0; + break; /* pass off to ^P handler */ + case 'B': /* down arrow */ + ichar = CTL_CH('n'); + esc_len = 0; + break; /* pass off to ^N handler */ + default: + esc_save[esc_len++] = ichar; + cread_add_str(esc_save, esc_len, insert, + &num, &eol_num, buf, *len); + esc_len = 0; + continue; + } + } + + switch (ichar) { + case 0x1b: + if (esc_len == 0) { + esc_save[esc_len] = ichar; + esc_len = 1; + } else { + puts("impossible condition #876\n"); + esc_len = 0; + } + break; + + case CTL_CH('a'): + BEGINNING_OF_LINE(); + break; + case CTL_CH('c'): /* ^C - break */ + *buf = '\0'; /* discard input */ + return -1; + case CTL_CH('f'): + if (num < eol_num) { + getcmd_putch(buf[num]); + num++; + } + break; + case CTL_CH('b'): + if (num) { + getcmd_putch(CTL_BACKSPACE); + num--; + } + break; + case CTL_CH('d'): + if (num < eol_num) { + wlen = eol_num - num - 1; + if (wlen) { + memmove(&buf[num], &buf[num+1], wlen); + putnstr(buf + num, wlen); + } + + getcmd_putch(' '); + do { + getcmd_putch(CTL_BACKSPACE); + } while (wlen--); + eol_num--; + } + break; + case CTL_CH('k'): + ERASE_TO_EOL(); + break; + case CTL_CH('e'): + REFRESH_TO_EOL(); + break; + case CTL_CH('o'): + insert = !insert; + break; + case CTL_CH('x'): + case CTL_CH('u'): + BEGINNING_OF_LINE(); + ERASE_TO_EOL(); + break; + case DEL: + case DEL7: + case 8: + if (num) { + wlen = eol_num - num; + num--; + memmove(&buf[num], &buf[num+1], wlen); + getcmd_putch(CTL_BACKSPACE); + putnstr(buf + num, wlen); + getcmd_putch(' '); + do { + getcmd_putch(CTL_BACKSPACE); + } while (wlen--); + eol_num--; + } + break; + case CTL_CH('p'): + case CTL_CH('n'): + { + char *hline; + + esc_len = 0; + + if (ichar == CTL_CH('p')) + hline = hist_prev(); + else + hline = hist_next(); + + if (!hline) { + getcmd_cbeep(); + continue; + } + + /* nuke the current line */ + /* first, go home */ + BEGINNING_OF_LINE(); + + /* erase to end of line */ + ERASE_TO_EOL(); + + /* copy new line into place and display */ + strcpy(buf, hline); + eol_num = strlen(buf); + REFRESH_TO_EOL(); + continue; + } +#ifdef CONFIG_AUTO_COMPLETE + case '\t': { + int num2, col; + + /* do not autocomplete when in the middle */ + if (num < eol_num) { + getcmd_cbeep(); + break; + } + + buf[num] = '\0'; + col = strlen(prompt) + eol_num; + num2 = num; + if (cmd_auto_complete(prompt, buf, &num2, &col)) { + col = num2 - num; + num += col; + eol_num += col; + } + break; + } +#endif + default: + cread_add_char(ichar, insert, &num, &eol_num, buf, + *len); + break; + } + } + *len = eol_num; + buf[eol_num] = '\0'; /* lose the newline */ + + if (buf[0] && buf[0] != CREAD_HIST_CHAR) + cread_add_to_hist(buf); + hist_cur = hist_add_idx; + + return 0; +} + +#endif /* CONFIG_CMDLINE_EDITING */ + +/****************************************************************************/ + +int cli_readline(const char *const prompt) +{ + /* + * If console_buffer isn't 0-length the user will be prompted to modify + * it instead of entering it from scratch as desired. + */ + console_buffer[0] = '\0'; + + return cli_readline_into_buffer(prompt, console_buffer, 0); +} + + +int cli_readline_into_buffer(const char *const prompt, char *buffer, + int timeout) +{ + char *p = buffer; +#ifdef CONFIG_CMDLINE_EDITING + unsigned int len = CONFIG_SYS_CBSIZE; + int rc; + static int initted; + + /* + * History uses a global array which is not + * writable until after relocation to RAM. + * Revert to non-history version if still + * running from flash. + */ + if (gd->flags & GD_FLG_RELOC) { + if (!initted) { + hist_init(); + initted = 1; + } + + if (prompt) + puts(prompt); + + rc = cread_line(prompt, p, &len, timeout); + return rc < 0 ? rc : len; + + } else { +#endif /* CONFIG_CMDLINE_EDITING */ + char *p_buf = p; + int n = 0; /* buffer index */ + int plen = 0; /* prompt length */ + int col; /* output column cnt */ + char c; + + /* print prompt */ + if (prompt) { + plen = strlen(prompt); + puts(prompt); + } + col = plen; + + for (;;) { + if (bootretry_tstc_timeout()) + return -2; /* timed out */ + WATCHDOG_RESET(); /* Trigger watchdog, if needed */ + +#ifdef CONFIG_SHOW_ACTIVITY + while (!tstc()) { + show_activity(0); + WATCHDOG_RESET(); + } +#endif + c = getc(); + + /* + * Special character handling + */ + switch (c) { + case '\r': /* Enter */ + case '\n': + *p = '\0'; + puts("\r\n"); + return p - p_buf; + + case '\0': /* nul */ + continue; + + case 0x03: /* ^C - break */ + p_buf[0] = '\0'; /* discard input */ + return -1; + + case 0x15: /* ^U - erase line */ + while (col > plen) { + puts(erase_seq); + --col; + } + p = p_buf; + n = 0; + continue; + + case 0x17: /* ^W - erase word */ + p = delete_char(p_buf, p, &col, &n, plen); + while ((n > 0) && (*p != ' ')) + p = delete_char(p_buf, p, &col, &n, plen); + continue; + + case 0x08: /* ^H - backspace */ + case 0x7F: /* DEL - backspace */ + p = delete_char(p_buf, p, &col, &n, plen); + continue; + + default: + /* + * Must be a normal character then + */ + if (n < CONFIG_SYS_CBSIZE-2) { + if (c == '\t') { /* expand TABs */ +#ifdef CONFIG_AUTO_COMPLETE + /* + * if auto completion triggered just + * continue + */ + *p = '\0'; + if (cmd_auto_complete(prompt, + console_buffer, + &n, &col)) { + p = p_buf + n; /* reset */ + continue; + } +#endif + puts(tab_seq + (col & 07)); + col += 8 - (col & 07); + } else { + char buf[2]; + + /* + * Echo input using puts() to force an + * LCD flush if we are using an LCD + */ + ++col; + buf[0] = c; + buf[1] = '\0'; + puts(buf); + } + *p++ = c; + ++n; + } else { /* Buffer full */ + putc('\a'); + } + } + } +#ifdef CONFIG_CMDLINE_EDITING + } +#endif +} diff --git a/common/cli_simple.c b/common/cli_simple.c new file mode 100644 index 0000000..413c2eb --- /dev/null +++ b/common/cli_simple.c @@ -0,0 +1,337 @@ +/* + * (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+ + */ + +#include <common.h> +#include <bootretry.h> +#include <cli.h> +#include <linux/ctype.h> + +#define DEBUG_PARSER 0 /* set to 1 to debug */ + +#define debug_parser(fmt, args...) \ + debug_cond(DEBUG_PARSER, fmt, ##args) + + +int cli_simple_parse_line(char *line, char *argv[]) +{ + int nargs = 0; + + debug_parser("%s: \"%s\"\n", __func__, line); + while (nargs < CONFIG_SYS_MAXARGS) { + /* skip any white space */ + while (isblank(*line)) + ++line; + + if (*line == '\0') { /* end of line, no more args */ + argv[nargs] = NULL; + debug_parser("%s: nargs=%d\n", __func__, nargs); + return nargs; + } + + argv[nargs++] = line; /* begin of argument string */ + + /* find end of string */ + while (*line && !isblank(*line)) + ++line; + + if (*line == '\0') { /* end of line, no more args */ + argv[nargs] = NULL; + debug_parser("parse_line: nargs=%d\n", nargs); + return nargs; + } + + *line++ = '\0'; /* terminate current arg */ + } + + printf("** Too many args (max. %d) **\n", CONFIG_SYS_MAXARGS); + + debug_parser("%s: nargs=%d\n", __func__, nargs); + return nargs; +} + +static void process_macros(const char *input, char *output) +{ + char c, prev; + const char *varname_start = NULL; + int inputcnt = strlen(input); + int outputcnt = CONFIG_SYS_CBSIZE; + int state = 0; /* 0 = waiting for '$' */ + + /* 1 = waiting for '(' or '{' */ + /* 2 = waiting for ')' or '}' */ + /* 3 = waiting for ''' */ + char *output_start = output; + + debug_parser("[PROCESS_MACROS] INPUT len %zd: \"%s\"\n", strlen(input), + input); + + prev = '\0'; /* previous character */ + + while (inputcnt && outputcnt) { + c = *input++; + inputcnt--; + + if (state != 3) { + /* remove one level of escape characters */ + if ((c == '\\') && (prev != '\\')) { + if (inputcnt-- == 0) + break; + prev = c; + c = *input++; + } + } + + switch (state) { + case 0: /* Waiting for (unescaped) $ */ + if ((c == '\'') && (prev != '\\')) { + state = 3; + break; + } + if ((c == '$') && (prev != '\\')) { + state++; + } else { + *(output++) = c; + outputcnt--; + } + break; + case 1: /* Waiting for ( */ + if (c == '(' || c == '{') { + state++; + varname_start = input; + } else { + state = 0; + *(output++) = '$'; + outputcnt--; + + if (outputcnt) { + *(output++) = c; + outputcnt--; + } + } + break; + case 2: /* Waiting for ) */ + if (c == ')' || c == '}') { + int i; + char envname[CONFIG_SYS_CBSIZE], *envval; + /* Varname # of chars */ + int envcnt = input - varname_start - 1; + + /* Get the varname */ + for (i = 0; i < envcnt; i++) + envname[i] = varname_start[i]; + envname[i] = 0; + + /* Get its value */ + envval = getenv(envname); + + /* Copy into the line if it exists */ + if (envval != NULL) + while ((*envval) && outputcnt) { + *(output++) = *(envval++); + outputcnt--; + } + /* Look for another '$' */ + state = 0; + } + break; + case 3: /* Waiting for ' */ + if ((c == '\'') && (prev != '\\')) { + state = 0; + } else { + *(output++) = c; + outputcnt--; + } + break; + } + prev = c; + } + + if (outputcnt) + *output = 0; + else + *(output - 1) = 0; + + debug_parser("[PROCESS_MACROS] OUTPUT len %zd: \"%s\"\n", + strlen(output_start), output_start); +} + + /* + * WARNING: + * + * We must create a temporary copy of the command since the command we get + * may be the result from getenv(), which returns a pointer directly to + * the environment data, which may change magicly when the command we run + * creates or modifies environment variables (like "bootp" does). + */ +int cli_simple_run_command(const char *cmd, int flag) +{ + char cmdbuf[CONFIG_SYS_CBSIZE]; /* working copy of cmd */ + char *token; /* start of token in cmdbuf */ + char *sep; /* end of token (separator) in cmdbuf */ + char finaltoken[CONFIG_SYS_CBSIZE]; + char *str = cmdbuf; + char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ + int argc, inquotes; + int repeatable = 1; + int rc = 0; + + debug_parser("[RUN_COMMAND] cmd[%p]=\"", cmd); + if (DEBUG_PARSER) { + /* use puts - string may be loooong */ + puts(cmd ? cmd : "NULL"); + puts("\"\n"); + } + clear_ctrlc(); /* forget any previous Control C */ + + if (!cmd || !*cmd) + return -1; /* empty command */ + + if (strlen(cmd) >= CONFIG_SYS_CBSIZE) { + puts("## Command too long!\n"); + return -1; + } + + strcpy(cmdbuf, cmd); + + /* Process separators and check for invalid + * repeatable commands + */ + + debug_parser("[PROCESS_SEPARATORS] %s\n", cmd); + while (*str) { + /* + * Find separator, or string end + * Allow simple escape of ';' by writing "\;" + */ + for (inquotes = 0, sep = str; *sep; sep++) { + if ((*sep == '\'') && + (*(sep - 1) != '\\')) + inquotes = !inquotes; + + if (!inquotes && + (*sep == ';') && /* separator */ + (sep != str) && /* past string start */ + (*(sep - 1) != '\\')) /* and NOT escaped */ + break; + } + + /* + * Limit the token to data between separators + */ + token = str; + if (*sep) { + str = sep + 1; /* start of command for next pass */ + *sep = '\0'; + } else { + str = sep; /* no more commands for next pass */ + } + debug_parser("token: \"%s\"\n", token); + + /* find macros in this token and replace them */ + process_macros(token, finaltoken); + + /* Extract arguments */ + argc = cli_simple_parse_line(finaltoken, argv); + if (argc == 0) { + rc = -1; /* no command at all */ + continue; + } + + if (cmd_process(flag, argc, argv, &repeatable, NULL)) + rc = -1; + + /* Did the user stop this? */ + if (had_ctrlc()) + return -1; /* if stopped then not repeatable */ + } + + return rc ? rc : repeatable; +} + +void cli_simple_loop(void) +{ + static char lastcommand[CONFIG_SYS_CBSIZE] = { 0, }; + + int len; + int flag; + int rc = 1; + + for (;;) { + if (rc >= 0) { + /* Saw enough of a valid command to + * restart the timeout. + */ + bootretry_reset_cmd_timeout(); + } + len = cli_readline(CONFIG_SYS_PROMPT); + + flag = 0; /* assume no special flags for now */ + if (len > 0) + strcpy(lastcommand, console_buffer); + else if (len == 0) + flag |= CMD_FLAG_REPEAT; +#ifdef CONFIG_BOOT_RETRY_TIME + else if (len == -2) { + /* -2 means timed out, retry autoboot + */ + puts("\nTimed out waiting for command\n"); +# ifdef CONFIG_RESET_TO_RETRY + /* Reinit board to run initialization code again */ + do_reset(NULL, 0, 0, NULL); +# else + return; /* retry autoboot */ +# endif + } +#endif + + if (len == -1) + puts("<INTERRUPT>\n"); + else + rc = run_command(lastcommand, flag); + + if (rc <= 0) { + /* invalid command or not repeatable, forget it */ + lastcommand[0] = 0; + } + } +} + +int cli_simple_run_command_list(char *cmd, int flag) +{ + char *line, *next; + int rcode = 0; + + /* + * Break into individual lines, and execute each line; terminate on + * error. + */ + next = cmd; + line = cmd; + while (*next) { + if (*next == '\n') { + *next = '\0'; + /* run only non-empty commands */ + if (*line) { + debug("** exec: \"%s\"\n", line); + if (cli_simple_run_command(line, 0) < 0) { + rcode = 1; + break; + } + } + line = next + 1; + } + ++next; + } + if (rcode == 0 && *line) + rcode = (cli_simple_run_command(line, 0) >= 0); + + return rcode; +} diff --git a/common/cmd_bedbug.c b/common/cmd_bedbug.c index 77b6e3e..bdcf712 100644 --- a/common/cmd_bedbug.c +++ b/common/cmd_bedbug.c @@ -3,6 +3,7 @@ */ #include <common.h> +#include <cli.h> #include <command.h> #include <linux/ctype.h> #include <net.h> @@ -19,7 +20,7 @@ extern int run_command __P ((const char *, int)); ulong dis_last_addr = 0; /* Last address disassembled */ ulong dis_last_len = 20; /* Default disassembler length */ CPU_DEBUG_CTX bug_ctx; /* Bedbug context structure */ - + /* ====================================================================== * U-Boot's puts function does not append a newline, so the bedbug stuff @@ -33,7 +34,7 @@ int bedbug_puts (const char *str) printf ("%s\r\n", str); return 0; } /* bedbug_puts */ - + /* ====================================================================== @@ -65,7 +66,7 @@ void bedbug_init (void) return; } /* bedbug_init */ - + /* ====================================================================== @@ -106,7 +107,7 @@ int do_bedbug_dis (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD (ds, 3, 1, do_bedbug_dis, "disassemble memory", "ds <address> [# instructions]"); - + /* ====================================================================== * Entry point from the interpreter to the assembler. Assembles * instructions in consecutive memory locations until a '.' (period) is @@ -134,7 +135,7 @@ int do_bedbug_asm (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) F_RADHEX); sprintf (prompt, "%08lx: ", mem_addr); - readline (prompt); + cli_readline(prompt); if (console_buffer[0] && strcmp (console_buffer, ".")) { if ((instr = @@ -156,7 +157,7 @@ int do_bedbug_asm (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD (as, 2, 0, do_bedbug_asm, "assemble memory", "as <address>"); - + /* ====================================================================== * Used to set a break point from the interpreter. Simply calls into the * CPU-specific break point set routine. @@ -177,7 +178,7 @@ U_BOOT_CMD (break, 3, 0, do_bedbug_break, "break <address> - Break at an address\n" "break off <bp#> - Disable breakpoint.\n" "break show - List breakpoints."); - + /* ====================================================================== * Called from the debug interrupt routine. Simply calls the CPU-specific * breakpoint handling routine. @@ -192,7 +193,7 @@ void do_bedbug_breakpoint (struct pt_regs *regs) return; } /* do_bedbug_breakpoint */ - + /* ====================================================================== @@ -225,7 +226,7 @@ void bedbug_main_loop (unsigned long addr, struct pt_regs *regs) /* A miniature main loop */ while (bug_ctx.stopped) { - len = readline (prompt_str); + len = cli_readline(prompt_str); flag = 0; /* assume no special flags for now */ @@ -250,7 +251,7 @@ void bedbug_main_loop (unsigned long addr, struct pt_regs *regs) return; } /* bedbug_main_loop */ - + /* ====================================================================== @@ -274,7 +275,7 @@ int do_bedbug_continue (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv U_BOOT_CMD (continue, 1, 0, do_bedbug_continue, "continue from a breakpoint", ""); - + /* ====================================================================== * Interpreter command to continue to the next instruction, stepping into * subroutines. Works by calling the find_next_addr() routine to compute @@ -305,7 +306,7 @@ int do_bedbug_step (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD (step, 1, 1, do_bedbug_step, "single step execution.", ""); - + /* ====================================================================== * Interpreter command to continue to the next instruction, stepping over * subroutines. Works by calling the find_next_addr() routine to compute @@ -336,7 +337,7 @@ int do_bedbug_next (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD (next, 1, 1, do_bedbug_next, "single step execution, stepping over subroutines.", ""); - + /* ====================================================================== * Interpreter command to print the current stack. This assumes an EABI * architecture, so it starts with GPR R1 and works back up the stack. @@ -381,7 +382,7 @@ int do_bedbug_stack (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) U_BOOT_CMD (where, 1, 1, do_bedbug_stack, "Print the running stack.", ""); - + /* ====================================================================== * Interpreter command to dump the registers. Calls the CPU-specific * show registers routine. diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index 34b4b58..449bb36 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -32,10 +32,6 @@ #include <usb.h> #endif -#ifdef CONFIG_SYS_HUSH_PARSER -#include <hush.h> -#endif - #if defined(CONFIG_OF_LIBFDT) #include <libfdt.h> #include <fdt_support.h> diff --git a/common/cmd_bootmenu.c b/common/cmd_bootmenu.c index 163d5b2..5879065 100644 --- a/common/cmd_bootmenu.c +++ b/common/cmd_bootmenu.c @@ -8,7 +8,6 @@ #include <command.h> #include <ansi.h> #include <menu.h> -#include <hush.h> #include <watchdog.h> #include <malloc.h> #include <linux/string.h> diff --git a/common/cmd_dcr.c b/common/cmd_dcr.c index 896f79f..4fddd80 100644 --- a/common/cmd_dcr.c +++ b/common/cmd_dcr.c @@ -10,6 +10,7 @@ */ #include <common.h> +#include <cli.h> #include <config.h> #include <command.h> @@ -62,7 +63,7 @@ int do_setdcr (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) do { value = get_dcr (dcrn); printf ("%04x: %08lx", dcrn, value); - nbytes = readline (" ? "); + nbytes = cli_readline(" ? "); if (nbytes == 0) { /* * <CR> pressed as only input, don't modify current diff --git a/common/cmd_demo.c b/common/cmd_demo.c index a3bba7f..652c61c 100644 --- a/common/cmd_demo.c +++ b/common/cmd_demo.c @@ -11,7 +11,7 @@ #include <dm-demo.h> #include <asm/io.h> -struct device *demo_dev; +struct udevice *demo_dev; static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) @@ -41,7 +41,7 @@ static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc, int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - struct device *dev; + struct udevice *dev; int i, ret; puts("Demo uclass entries:\n"); diff --git a/common/cmd_gpio.c b/common/cmd_gpio.c index aff0445..4634f91 100644 --- a/common/cmd_gpio.c +++ b/common/cmd_gpio.c @@ -30,7 +30,7 @@ static const char * const gpio_function[] = { "unknown", }; -static void show_gpio(struct device *dev, const char *bank_name, int offset) +static void show_gpio(struct udevice *dev, const char *bank_name, int offset) { struct dm_gpio_ops *ops = gpio_get_ops(dev); char buf[80]; @@ -62,7 +62,7 @@ static void show_gpio(struct device *dev, const char *bank_name, int offset) static int do_gpio_status(const char *gpio_name) { - struct device *dev; + struct udevice *dev; int newline = 0; int ret; diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c index ebce7d4..d714658 100644 --- a/common/cmd_i2c.c +++ b/common/cmd_i2c.c @@ -66,6 +66,8 @@ */ #include <common.h> +#include <bootretry.h> +#include <cli.h> #include <command.h> #include <edid.h> #include <environment.h> @@ -562,9 +564,7 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg if (argc != 3) return CMD_RET_USAGE; -#ifdef CONFIG_BOOT_RETRY_TIME - reset_cmd_timeout(); /* got a good command to get here */ -#endif + bootretry_reset_cmd_timeout(); /* got a good command to get here */ /* * We use the last specified parameters, unless new ones are * entered. @@ -612,7 +612,7 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg printf(" %08lx", data); } - nbytes = readline (" ? "); + nbytes = cli_readline(" ? "); if (nbytes == 0) { /* * <CR> pressed as only input, don't modify current @@ -621,9 +621,8 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg if (incrflag) addr += size; nbytes = size; -#ifdef CONFIG_BOOT_RETRY_TIME - reset_cmd_timeout(); /* good enough to not time out */ -#endif + /* good enough to not time out */ + bootretry_reset_cmd_timeout(); } #ifdef CONFIG_BOOT_RETRY_TIME else if (nbytes == -2) @@ -640,12 +639,10 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg data = be32_to_cpu(data); nbytes = endp - console_buffer; if (nbytes) { -#ifdef CONFIG_BOOT_RETRY_TIME /* * good enough to not time out */ - reset_cmd_timeout(); -#endif + bootretry_reset_cmd_timeout(); if (i2c_write(chip, addr, alen, (uchar *)&data, size) != 0) puts ("Error writing the chip.\n"); #ifdef CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS diff --git a/common/cmd_mem.c b/common/cmd_mem.c index 5b03c2d..1febddb 100644 --- a/common/cmd_mem.c +++ b/common/cmd_mem.c @@ -12,6 +12,8 @@ */ #include <common.h> +#include <bootretry.h> +#include <cli.h> #include <command.h> #ifdef CONFIG_HAS_DATAFLASH #include <dataflash.h> @@ -1096,9 +1098,7 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[]) if (argc != 2) return CMD_RET_USAGE; -#ifdef CONFIG_BOOT_RETRY_TIME - reset_cmd_timeout(); /* got a good command to get here */ -#endif + bootretry_reset_cmd_timeout(); /* got a good command to get here */ /* We use the last specified parameters, unless new ones are * entered. */ @@ -1149,7 +1149,7 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[]) else printf(" %02x", *((u8 *)ptr)); - nbytes = readline (" ? "); + nbytes = cli_readline(" ? "); if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) { /* <CR> pressed as only input, don't modify current * location and move to next. "-" pressed will go back. @@ -1157,9 +1157,8 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[]) if (incrflag) addr += nbytes ? -size : size; nbytes = 1; -#ifdef CONFIG_BOOT_RETRY_TIME - reset_cmd_timeout(); /* good enough to not time out */ -#endif + /* good enough to not time out */ + bootretry_reset_cmd_timeout(); } #ifdef CONFIG_BOOT_RETRY_TIME else if (nbytes == -2) { @@ -1175,11 +1174,9 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[]) #endif nbytes = endp - console_buffer; if (nbytes) { -#ifdef CONFIG_BOOT_RETRY_TIME /* good enough to not time out */ - reset_cmd_timeout(); -#endif + bootretry_reset_cmd_timeout(); if (size == 4) *((u32 *)ptr) = i; #ifdef CONFIG_SYS_SUPPORT_64BIT_DATA diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index f4e306c..e6c3395 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -25,6 +25,7 @@ */ #include <common.h> +#include <cli.h> #include <command.h> #include <environment.h> #include <search.h> @@ -408,7 +409,7 @@ int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; /* prompt for input */ - len = readline(message); + len = cli_readline(message); if (size < len) console_buffer[size] = '\0'; @@ -591,7 +592,7 @@ static int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, else buffer[0] = '\0'; - if (readline_into_buffer("edit: ", buffer, 0) < 0) + if (cli_readline_into_buffer("edit: ", buffer, 0) < 0) return 1; return setenv(argv[1], buffer); diff --git a/common/cmd_pci.c b/common/cmd_pci.c index d3e7c08..a1ba42e 100644 --- a/common/cmd_pci.c +++ b/common/cmd_pci.c @@ -14,6 +14,8 @@ */ #include <common.h> +#include <bootretry.h> +#include <cli.h> #include <command.h> #include <asm/processor.h> #include <asm/io.h> @@ -345,7 +347,7 @@ pci_cfg_modify (pci_dev_t bdf, ulong addr, ulong size, ulong value, int incrflag printf(" %02x", val1); } - nbytes = readline (" ? "); + nbytes = cli_readline(" ? "); if (nbytes == 0 || (nbytes == 1 && console_buffer[0] == '-')) { /* <CR> pressed as only input, don't modify current * location and move to next. "-" pressed will go back. @@ -353,9 +355,8 @@ pci_cfg_modify (pci_dev_t bdf, ulong addr, ulong size, ulong value, int incrflag if (incrflag) addr += nbytes ? -size : size; nbytes = 1; -#ifdef CONFIG_BOOT_RETRY_TIME - reset_cmd_timeout(); /* good enough to not time out */ -#endif + /* good enough to not time out */ + bootretry_reset_cmd_timeout(); } #ifdef CONFIG_BOOT_RETRY_TIME else if (nbytes == -2) { @@ -367,11 +368,9 @@ pci_cfg_modify (pci_dev_t bdf, ulong addr, ulong size, ulong value, int incrflag i = simple_strtoul(console_buffer, &endp, 16); nbytes = endp - console_buffer; if (nbytes) { -#ifdef CONFIG_BOOT_RETRY_TIME /* good enough to not time out */ - reset_cmd_timeout(); -#endif + bootretry_reset_cmd_timeout(); pci_cfg_write (bdf, addr, size, i); if (incrflag) addr += size; diff --git a/common/main.c b/common/main.c index 9bee7bd..32618f1 100644 --- a/common/main.c +++ b/common/main.c @@ -2,25 +2,15 @@ * (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+ */ /* #define DEBUG */ #include <common.h> -#include <command.h> -#include <fdtdec.h> -#include <hush.h> -#include <malloc.h> -#include <menu.h> -#include <post.h> +#include <autoboot.h> +#include <cli.h> #include <version.h> -#include <watchdog.h> -#include <linux/ctype.h> DECLARE_GLOBAL_DATA_PTR; @@ -30,400 +20,43 @@ DECLARE_GLOBAL_DATA_PTR; 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 - -#define DEBUG_PARSER 0 /* set to 1 to debug */ - -#define debug_parser(fmt, args...) \ - debug_cond(DEBUG_PARSER, fmt, ##args) - -#ifndef DEBUG_BOOTKEYS -#define DEBUG_BOOTKEYS 0 -#endif -#define debug_bootkeys(fmt, args...) \ - debug_cond(DEBUG_BOOTKEYS, fmt, ##args) - -char console_buffer[CONFIG_SYS_CBSIZE + 1]; /* console I/O buffer */ - -static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen); -static const char erase_seq[] = "\b \b"; /* erase sequence */ -static const char tab_seq[] = " "; /* used to expand TABs */ - -#ifdef CONFIG_BOOT_RETRY_TIME -static uint64_t endtime = 0; /* must be set, default is instant timeout */ -static int retry_time = -1; /* -1 so can call readline before main_loop */ -#endif - -#define endtick(seconds) (get_ticks() + (uint64_t)(seconds) * get_tbclk()) - -#ifndef CONFIG_BOOT_RETRY_MIN -#define CONFIG_BOOT_RETRY_MIN CONFIG_BOOT_RETRY_TIME -#endif - -#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) - retry_time = -1; -# 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) +static void modem_init(void) { - 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); +#ifdef CONFIG_MODEM_SUPPORT + debug("DEBUG: main_loop: gd->do_mdm_init=%lu\n", gd->do_mdm_init); + if (gd->do_mdm_init) { + char *str = getenv("mdm_cmd"); - /* Find the command directly. */ - cmdtp = find_cmd(cmd); - if (!cmdtp) { - printf("## Error: \"%s\" not defined\n", cmd); - goto err; + setenv("preboot", str); /* set or delete definition */ + mdm_init(); /* wait for modem connection */ } - - /* 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_MODEM_SUPPORT */ } -#endif /* CONFIG_OF_CONTROL */ -#ifdef CONFIG_BOOTDELAY -static void process_boot_delay(void) +static void run_preboot_environment_command(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>"); +#ifdef CONFIG_PREBOOT + char *p; - if (bootdelay != -1 && s && !abortboot(bootdelay)) { -#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) + p = getenv("preboot"); + if (p != NULL) { +# ifdef CONFIG_AUTOBOOT_KEYED int prev = disable_ctrlc(1); /* disable Control C checking */ -#endif +# endif - run_command_list(s, -1, 0); + run_command_list(p, -1, 0); -#if defined(CONFIG_AUTOBOOT_KEYED) && !defined(CONFIG_AUTOBOOT_KEYED_CTRLC) +# ifdef CONFIG_AUTOBOOT_KEYED 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 } -#endif /* CONFIG_MENUKEY */ +#endif /* CONFIG_PREBOOT */ } -#endif /* CONFIG_BOOTDELAY */ +/* We come here after U-Boot is initialised and ready to process commands */ void main_loop(void) { -#ifndef CONFIG_SYS_HUSH_PARSER - static char lastcommand[CONFIG_SYS_CBSIZE] = { 0, }; - int len; - int rc = 1; - int flag; -#endif -#ifdef CONFIG_PREBOOT - char *p; -#endif + const char *s; bootstage_mark_name(BOOTSTAGE_ID_MAIN_LOOP, "main_loop"); @@ -433,1126 +66,24 @@ void main_loop(void) puts("upgraded by the late 2014 may break or be removed.\n"); #endif -#ifdef CONFIG_MODEM_SUPPORT - debug("DEBUG: main_loop: do_mdm_init=%d\n", do_mdm_init); - if (do_mdm_init) { - char *str = strdup(getenv("mdm_cmd")); - setenv("preboot", str); /* set or delete definition */ - if (str != NULL) - free(str); - mdm_init(); /* wait for modem connection */ - } -#endif /* CONFIG_MODEM_SUPPORT */ - + modem_init(); #ifdef CONFIG_VERSION_VARIABLE - { - setenv("ver", version_string); /* set version variable */ - } + setenv("ver", version_string); /* set version variable */ #endif /* CONFIG_VERSION_VARIABLE */ -#ifdef CONFIG_SYS_HUSH_PARSER - u_boot_hush_start(); -#endif - -#if defined(CONFIG_HUSH_INIT_VAR) - hush_init_var(); -#endif - -#ifdef CONFIG_PREBOOT - p = getenv("preboot"); - if (p != NULL) { -# ifdef CONFIG_AUTOBOOT_KEYED - int prev = disable_ctrlc(1); /* disable Control C checking */ -# endif + cli_init(); - run_command_list(p, -1, 0); - -# ifdef CONFIG_AUTOBOOT_KEYED - disable_ctrlc(prev); /* restore Control C checking */ -# endif - } -#endif /* CONFIG_PREBOOT */ + run_preboot_environment_command(); #if defined(CONFIG_UPDATE_TFTP) update_tftp(0UL); #endif /* CONFIG_UPDATE_TFTP */ -#ifdef CONFIG_BOOTDELAY - process_boot_delay(); -#endif - /* - * Main Loop for Monitor Command Processing - */ -#ifdef CONFIG_SYS_HUSH_PARSER - parse_file_outer(); - /* This point is never reached */ - for (;;); -#else - for (;;) { -#ifdef CONFIG_BOOT_RETRY_TIME - if (rc >= 0) { - /* Saw enough of a valid command to - * restart the timeout. - */ - reset_cmd_timeout(); - } -#endif - len = readline (CONFIG_SYS_PROMPT); - - flag = 0; /* assume no special flags for now */ - if (len > 0) - strcpy (lastcommand, console_buffer); - else if (len == 0) - flag |= CMD_FLAG_REPEAT; -#ifdef CONFIG_BOOT_RETRY_TIME - else if (len == -2) { - /* -2 means timed out, retry autoboot - */ - puts ("\nTimed out waiting for command\n"); -# ifdef CONFIG_RESET_TO_RETRY - /* Reinit board to run initialization code again */ - do_reset (NULL, 0, 0, NULL); -# else - return; /* retry autoboot */ -# endif - } -#endif - - if (len == -1) - puts ("<INTERRUPT>\n"); - else - rc = run_command(lastcommand, flag); - - if (rc <= 0) { - /* invalid command or not repeatable, forget it */ - lastcommand[0] = 0; - } - } -#endif /*CONFIG_SYS_HUSH_PARSER*/ -} - -#ifdef CONFIG_BOOT_RETRY_TIME -/*************************************************************************** - * initialize command line timeout - */ -void init_cmd_timeout(void) -{ - char *s = getenv ("bootretry"); - - if (s != NULL) - retry_time = (int)simple_strtol(s, NULL, 10); - else - retry_time = CONFIG_BOOT_RETRY_TIME; - - if (retry_time >= 0 && retry_time < CONFIG_BOOT_RETRY_MIN) - retry_time = CONFIG_BOOT_RETRY_MIN; -} - -/*************************************************************************** - * reset command line timeout to retry_time seconds - */ -void reset_cmd_timeout(void) -{ - endtime = endtick(retry_time); -} -#endif - -#ifdef CONFIG_CMDLINE_EDITING - -/* - * cmdline-editing related codes from vivi. - * Author: Janghoon Lyu <nandy@mizi.com> - */ - -#define putnstr(str,n) do { \ - printf ("%.*s", (int)n, str); \ - } while (0) - -#define CTL_CH(c) ((c) - 'a' + 1) -#define CTL_BACKSPACE ('\b') -#define DEL ((char)255) -#define DEL7 ((char)127) -#define CREAD_HIST_CHAR ('!') - -#define getcmd_putch(ch) putc(ch) -#define getcmd_getch() getc() -#define getcmd_cbeep() getcmd_putch('\a') - -#define HIST_MAX 20 -#define HIST_SIZE CONFIG_SYS_CBSIZE - -static int hist_max; -static int hist_add_idx; -static int hist_cur = -1; -static unsigned hist_num; - -static char *hist_list[HIST_MAX]; -static char hist_lines[HIST_MAX][HIST_SIZE + 1]; /* Save room for NULL */ - -#define add_idx_minus_one() ((hist_add_idx == 0) ? hist_max : hist_add_idx-1) - -static void hist_init(void) -{ - int i; - - hist_max = 0; - hist_add_idx = 0; - hist_cur = -1; - hist_num = 0; - - for (i = 0; i < HIST_MAX; i++) { - hist_list[i] = hist_lines[i]; - hist_list[i][0] = '\0'; - } -} - -static void cread_add_to_hist(char *line) -{ - strcpy(hist_list[hist_add_idx], line); - - if (++hist_add_idx >= HIST_MAX) - hist_add_idx = 0; - - if (hist_add_idx > hist_max) - hist_max = hist_add_idx; - - hist_num++; -} - -static char* hist_prev(void) -{ - char *ret; - int old_cur; - - if (hist_cur < 0) - return NULL; - - old_cur = hist_cur; - if (--hist_cur < 0) - hist_cur = hist_max; - - if (hist_cur == hist_add_idx) { - hist_cur = old_cur; - ret = NULL; - } else - ret = hist_list[hist_cur]; - - return (ret); -} - -static char* hist_next(void) -{ - char *ret; - - if (hist_cur < 0) - return NULL; - - if (hist_cur == hist_add_idx) - return NULL; - - if (++hist_cur > hist_max) - hist_cur = 0; - - if (hist_cur == hist_add_idx) { - ret = ""; - } else - ret = hist_list[hist_cur]; - - return (ret); -} - -#ifndef CONFIG_CMDLINE_EDITING -static void cread_print_hist_list(void) -{ - int i; - unsigned long n; - - n = hist_num - hist_max; - - i = hist_add_idx + 1; - while (1) { - if (i > hist_max) - i = 0; - if (i == hist_add_idx) - break; - printf("%s\n", hist_list[i]); - n++; - i++; - } -} -#endif /* CONFIG_CMDLINE_EDITING */ - -#define BEGINNING_OF_LINE() { \ - while (num) { \ - getcmd_putch(CTL_BACKSPACE); \ - num--; \ - } \ -} - -#define ERASE_TO_EOL() { \ - if (num < eol_num) { \ - printf("%*s", (int)(eol_num - num), ""); \ - do { \ - getcmd_putch(CTL_BACKSPACE); \ - } while (--eol_num > num); \ - } \ -} - -#define REFRESH_TO_EOL() { \ - if (num < eol_num) { \ - wlen = eol_num - num; \ - putnstr(buf + num, wlen); \ - num = eol_num; \ - } \ -} - -static void cread_add_char(char ichar, int insert, unsigned long *num, - unsigned long *eol_num, char *buf, unsigned long len) -{ - unsigned long wlen; - - /* room ??? */ - if (insert || *num == *eol_num) { - if (*eol_num > len - 1) { - getcmd_cbeep(); - return; - } - (*eol_num)++; - } - - if (insert) { - wlen = *eol_num - *num; - if (wlen > 1) { - memmove(&buf[*num+1], &buf[*num], wlen-1); - } + s = bootdelay_process(); + if (cli_process_fdt(&s)) + cli_secure_boot_cmd(s); - buf[*num] = ichar; - putnstr(buf + *num, wlen); - (*num)++; - while (--wlen) { - getcmd_putch(CTL_BACKSPACE); - } - } else { - /* echo the character */ - wlen = 1; - buf[*num] = ichar; - putnstr(buf + *num, wlen); - (*num)++; - } -} + autoboot_command(s); -static void cread_add_str(char *str, int strsize, int insert, unsigned long *num, - unsigned long *eol_num, char *buf, unsigned long len) -{ - while (strsize--) { - cread_add_char(*str, insert, num, eol_num, buf, len); - str++; - } + cli_loop(); } - -static int cread_line(const char *const prompt, char *buf, unsigned int *len, - int timeout) -{ - unsigned long num = 0; - unsigned long eol_num = 0; - unsigned long wlen; - char ichar; - int insert = 1; - int esc_len = 0; - char esc_save[8]; - int init_len = strlen(buf); - int first = 1; - - if (init_len) - cread_add_str(buf, init_len, 1, &num, &eol_num, buf, *len); - - while (1) { -#ifdef CONFIG_BOOT_RETRY_TIME - while (!tstc()) { /* while no incoming data */ - if (retry_time >= 0 && get_ticks() > endtime) - return (-2); /* timed out */ - WATCHDOG_RESET(); - } -#endif - if (first && timeout) { - uint64_t etime = endtick(timeout); - - while (!tstc()) { /* while no incoming data */ - if (get_ticks() >= etime) - return -2; /* timed out */ - WATCHDOG_RESET(); - } - first = 0; - } - - ichar = getcmd_getch(); - - if ((ichar == '\n') || (ichar == '\r')) { - putc('\n'); - break; - } - - /* - * handle standard linux xterm esc sequences for arrow key, etc. - */ - if (esc_len != 0) { - if (esc_len == 1) { - if (ichar == '[') { - esc_save[esc_len] = ichar; - esc_len = 2; - } else { - cread_add_str(esc_save, esc_len, insert, - &num, &eol_num, buf, *len); - esc_len = 0; - } - continue; - } - - switch (ichar) { - - case 'D': /* <- key */ - ichar = CTL_CH('b'); - esc_len = 0; - break; - case 'C': /* -> key */ - ichar = CTL_CH('f'); - esc_len = 0; - break; /* pass off to ^F handler */ - case 'H': /* Home key */ - ichar = CTL_CH('a'); - esc_len = 0; - break; /* pass off to ^A handler */ - case 'A': /* up arrow */ - ichar = CTL_CH('p'); - esc_len = 0; - break; /* pass off to ^P handler */ - case 'B': /* down arrow */ - ichar = CTL_CH('n'); - esc_len = 0; - break; /* pass off to ^N handler */ - default: - esc_save[esc_len++] = ichar; - cread_add_str(esc_save, esc_len, insert, - &num, &eol_num, buf, *len); - esc_len = 0; - continue; - } - } - - switch (ichar) { - case 0x1b: - if (esc_len == 0) { - esc_save[esc_len] = ichar; - esc_len = 1; - } else { - puts("impossible condition #876\n"); - esc_len = 0; - } - break; - - case CTL_CH('a'): - BEGINNING_OF_LINE(); - break; - case CTL_CH('c'): /* ^C - break */ - *buf = '\0'; /* discard input */ - return (-1); - case CTL_CH('f'): - if (num < eol_num) { - getcmd_putch(buf[num]); - num++; - } - break; - case CTL_CH('b'): - if (num) { - getcmd_putch(CTL_BACKSPACE); - num--; - } - break; - case CTL_CH('d'): - if (num < eol_num) { - wlen = eol_num - num - 1; - if (wlen) { - memmove(&buf[num], &buf[num+1], wlen); - putnstr(buf + num, wlen); - } - - getcmd_putch(' '); - do { - getcmd_putch(CTL_BACKSPACE); - } while (wlen--); - eol_num--; - } - break; - case CTL_CH('k'): - ERASE_TO_EOL(); - break; - case CTL_CH('e'): - REFRESH_TO_EOL(); - break; - case CTL_CH('o'): - insert = !insert; - break; - case CTL_CH('x'): - case CTL_CH('u'): - BEGINNING_OF_LINE(); - ERASE_TO_EOL(); - break; - case DEL: - case DEL7: - case 8: - if (num) { - wlen = eol_num - num; - num--; - memmove(&buf[num], &buf[num+1], wlen); - getcmd_putch(CTL_BACKSPACE); - putnstr(buf + num, wlen); - getcmd_putch(' '); - do { - getcmd_putch(CTL_BACKSPACE); - } while (wlen--); - eol_num--; - } - break; - case CTL_CH('p'): - case CTL_CH('n'): - { - char * hline; - - esc_len = 0; - - if (ichar == CTL_CH('p')) - hline = hist_prev(); - else - hline = hist_next(); - - if (!hline) { - getcmd_cbeep(); - continue; - } - - /* nuke the current line */ - /* first, go home */ - BEGINNING_OF_LINE(); - - /* erase to end of line */ - ERASE_TO_EOL(); - - /* copy new line into place and display */ - strcpy(buf, hline); - eol_num = strlen(buf); - REFRESH_TO_EOL(); - continue; - } -#ifdef CONFIG_AUTO_COMPLETE - case '\t': { - int num2, col; - - /* do not autocomplete when in the middle */ - if (num < eol_num) { - getcmd_cbeep(); - break; - } - - buf[num] = '\0'; - col = strlen(prompt) + eol_num; - num2 = num; - if (cmd_auto_complete(prompt, buf, &num2, &col)) { - col = num2 - num; - num += col; - eol_num += col; - } - break; - } -#endif - default: - cread_add_char(ichar, insert, &num, &eol_num, buf, *len); - break; - } - } - *len = eol_num; - buf[eol_num] = '\0'; /* lose the newline */ - - if (buf[0] && buf[0] != CREAD_HIST_CHAR) - cread_add_to_hist(buf); - hist_cur = hist_add_idx; - - return 0; -} - -#endif /* CONFIG_CMDLINE_EDITING */ - -/****************************************************************************/ - -/* - * Prompt for input and read a line. - * If CONFIG_BOOT_RETRY_TIME is defined and retry_time >= 0, - * time out when time goes past endtime (timebase time in ticks). - * Return: number of read characters - * -1 if break - * -2 if timed out - */ -int readline (const char *const prompt) -{ - /* - * If console_buffer isn't 0-length the user will be prompted to modify - * it instead of entering it from scratch as desired. - */ - console_buffer[0] = '\0'; - - return readline_into_buffer(prompt, console_buffer, 0); -} - - -int readline_into_buffer(const char *const prompt, char *buffer, int timeout) -{ - char *p = buffer; -#ifdef CONFIG_CMDLINE_EDITING - unsigned int len = CONFIG_SYS_CBSIZE; - int rc; - static int initted = 0; - - /* - * History uses a global array which is not - * writable until after relocation to RAM. - * Revert to non-history version if still - * running from flash. - */ - if (gd->flags & GD_FLG_RELOC) { - if (!initted) { - hist_init(); - initted = 1; - } - - if (prompt) - puts (prompt); - - rc = cread_line(prompt, p, &len, timeout); - return rc < 0 ? rc : len; - - } else { -#endif /* CONFIG_CMDLINE_EDITING */ - char * p_buf = p; - int n = 0; /* buffer index */ - int plen = 0; /* prompt length */ - int col; /* output column cnt */ - char c; - - /* print prompt */ - if (prompt) { - plen = strlen (prompt); - puts (prompt); - } - col = plen; - - for (;;) { -#ifdef CONFIG_BOOT_RETRY_TIME - while (!tstc()) { /* while no incoming data */ - if (retry_time >= 0 && get_ticks() > endtime) - return (-2); /* timed out */ - WATCHDOG_RESET(); - } -#endif - WATCHDOG_RESET(); /* Trigger watchdog, if needed */ - -#ifdef CONFIG_SHOW_ACTIVITY - while (!tstc()) { - show_activity(0); - WATCHDOG_RESET(); - } -#endif - c = getc(); - - /* - * Special character handling - */ - switch (c) { - case '\r': /* Enter */ - case '\n': - *p = '\0'; - puts ("\r\n"); - return p - p_buf; - - case '\0': /* nul */ - continue; - - case 0x03: /* ^C - break */ - p_buf[0] = '\0'; /* discard input */ - return -1; - - case 0x15: /* ^U - erase line */ - while (col > plen) { - puts (erase_seq); - --col; - } - p = p_buf; - n = 0; - continue; - - case 0x17: /* ^W - erase word */ - p=delete_char(p_buf, p, &col, &n, plen); - while ((n > 0) && (*p != ' ')) { - p=delete_char(p_buf, p, &col, &n, plen); - } - continue; - - case 0x08: /* ^H - backspace */ - case 0x7F: /* DEL - backspace */ - p=delete_char(p_buf, p, &col, &n, plen); - continue; - - default: - /* - * Must be a normal character then - */ - if (n < CONFIG_SYS_CBSIZE-2) { - if (c == '\t') { /* expand TABs */ -#ifdef CONFIG_AUTO_COMPLETE - /* if auto completion triggered just continue */ - *p = '\0'; - if (cmd_auto_complete(prompt, console_buffer, &n, &col)) { - p = p_buf + n; /* reset */ - continue; - } -#endif - puts (tab_seq+(col&07)); - col += 8 - (col&07); - } else { - char buf[2]; - - /* - * Echo input using puts() to force an - * LCD flush if we are using an LCD - */ - ++col; - buf[0] = c; - buf[1] = '\0'; - puts(buf); - } - *p++ = c; - ++n; - } else { /* Buffer full */ - putc ('\a'); - } - } - } -#ifdef CONFIG_CMDLINE_EDITING - } -#endif -} - -/****************************************************************************/ - -static char * delete_char (char *buffer, char *p, int *colp, int *np, int plen) -{ - char *s; - - if (*np == 0) { - return (p); - } - - if (*(--p) == '\t') { /* will retype the whole line */ - while (*colp > plen) { - puts (erase_seq); - (*colp)--; - } - for (s=buffer; s<p; ++s) { - if (*s == '\t') { - puts (tab_seq+((*colp) & 07)); - *colp += 8 - ((*colp) & 07); - } else { - ++(*colp); - putc (*s); - } - } - } else { - puts (erase_seq); - (*colp)--; - } - (*np)--; - return (p); -} - -/****************************************************************************/ - -int parse_line (char *line, char *argv[]) -{ - int nargs = 0; - - debug_parser("parse_line: \"%s\"\n", line); - while (nargs < CONFIG_SYS_MAXARGS) { - - /* skip any white space */ - while (isblank(*line)) - ++line; - - if (*line == '\0') { /* end of line, no more args */ - argv[nargs] = NULL; - debug_parser("parse_line: nargs=%d\n", nargs); - return nargs; - } - - argv[nargs++] = line; /* begin of argument string */ - - /* find end of string */ - while (*line && !isblank(*line)) - ++line; - - if (*line == '\0') { /* end of line, no more args */ - argv[nargs] = NULL; - debug_parser("parse_line: nargs=%d\n", nargs); - return nargs; - } - - *line++ = '\0'; /* terminate current arg */ - } - - printf ("** Too many args (max. %d) **\n", CONFIG_SYS_MAXARGS); - - debug_parser("parse_line: nargs=%d\n", nargs); - return (nargs); -} - -/****************************************************************************/ - -#ifndef CONFIG_SYS_HUSH_PARSER -static void process_macros (const char *input, char *output) -{ - char c, prev; - const char *varname_start = NULL; - int inputcnt = strlen (input); - int outputcnt = CONFIG_SYS_CBSIZE; - int state = 0; /* 0 = waiting for '$' */ - - /* 1 = waiting for '(' or '{' */ - /* 2 = waiting for ')' or '}' */ - /* 3 = waiting for ''' */ - char *output_start = output; - - debug_parser("[PROCESS_MACROS] INPUT len %zd: \"%s\"\n", strlen(input), - input); - - prev = '\0'; /* previous character */ - - while (inputcnt && outputcnt) { - c = *input++; - inputcnt--; - - if (state != 3) { - /* remove one level of escape characters */ - if ((c == '\\') && (prev != '\\')) { - if (inputcnt-- == 0) - break; - prev = c; - c = *input++; - } - } - - switch (state) { - case 0: /* Waiting for (unescaped) $ */ - if ((c == '\'') && (prev != '\\')) { - state = 3; - break; - } - if ((c == '$') && (prev != '\\')) { - state++; - } else { - *(output++) = c; - outputcnt--; - } - break; - case 1: /* Waiting for ( */ - if (c == '(' || c == '{') { - state++; - varname_start = input; - } else { - state = 0; - *(output++) = '$'; - outputcnt--; - - if (outputcnt) { - *(output++) = c; - outputcnt--; - } - } - break; - case 2: /* Waiting for ) */ - if (c == ')' || c == '}') { - int i; - char envname[CONFIG_SYS_CBSIZE], *envval; - int envcnt = input - varname_start - 1; /* Varname # of chars */ - - /* Get the varname */ - for (i = 0; i < envcnt; i++) { - envname[i] = varname_start[i]; - } - envname[i] = 0; - - /* Get its value */ - envval = getenv (envname); - - /* Copy into the line if it exists */ - if (envval != NULL) - while ((*envval) && outputcnt) { - *(output++) = *(envval++); - outputcnt--; - } - /* Look for another '$' */ - state = 0; - } - break; - case 3: /* Waiting for ' */ - if ((c == '\'') && (prev != '\\')) { - state = 0; - } else { - *(output++) = c; - outputcnt--; - } - break; - } - prev = c; - } - - if (outputcnt) - *output = 0; - else - *(output - 1) = 0; - - debug_parser("[PROCESS_MACROS] OUTPUT len %zd: \"%s\"\n", - strlen(output_start), output_start); -} - -/**************************************************************************** - * returns: - * 1 - command executed, repeatable - * 0 - command executed but not repeatable, interrupted commands are - * always considered not repeatable - * -1 - not executed (unrecognized, bootd recursion or too many args) - * (If cmd is NULL or "" or longer than CONFIG_SYS_CBSIZE-1 it is - * considered unrecognized) - * - * WARNING: - * - * We must create a temporary copy of the command since the command we get - * may be the result from getenv(), which returns a pointer directly to - * the environment data, which may change magicly when the command we run - * creates or modifies environment variables (like "bootp" does). - */ -static int builtin_run_command(const char *cmd, int flag) -{ - char cmdbuf[CONFIG_SYS_CBSIZE]; /* working copy of cmd */ - char *token; /* start of token in cmdbuf */ - char *sep; /* end of token (separator) in cmdbuf */ - char finaltoken[CONFIG_SYS_CBSIZE]; - char *str = cmdbuf; - char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */ - int argc, inquotes; - int repeatable = 1; - int rc = 0; - - debug_parser("[RUN_COMMAND] cmd[%p]=\"", cmd); - if (DEBUG_PARSER) { - /* use puts - string may be loooong */ - puts(cmd ? cmd : "NULL"); - puts("\"\n"); - } - clear_ctrlc(); /* forget any previous Control C */ - - if (!cmd || !*cmd) { - return -1; /* empty command */ - } - - if (strlen(cmd) >= CONFIG_SYS_CBSIZE) { - puts ("## Command too long!\n"); - return -1; - } - - strcpy (cmdbuf, cmd); - - /* Process separators and check for invalid - * repeatable commands - */ - - debug_parser("[PROCESS_SEPARATORS] %s\n", cmd); - while (*str) { - - /* - * Find separator, or string end - * Allow simple escape of ';' by writing "\;" - */ - for (inquotes = 0, sep = str; *sep; sep++) { - if ((*sep=='\'') && - (*(sep-1) != '\\')) - inquotes=!inquotes; - - if (!inquotes && - (*sep == ';') && /* separator */ - ( sep != str) && /* past string start */ - (*(sep-1) != '\\')) /* and NOT escaped */ - break; - } - - /* - * Limit the token to data between separators - */ - token = str; - if (*sep) { - str = sep + 1; /* start of command for next pass */ - *sep = '\0'; - } - else - str = sep; /* no more commands for next pass */ - debug_parser("token: \"%s\"\n", token); - - /* find macros in this token and replace them */ - process_macros (token, finaltoken); - - /* Extract arguments */ - if ((argc = parse_line (finaltoken, argv)) == 0) { - rc = -1; /* no command at all */ - continue; - } - - if (cmd_process(flag, argc, argv, &repeatable, NULL)) - rc = -1; - - /* Did the user stop this? */ - if (had_ctrlc ()) - return -1; /* if stopped then not repeatable */ - } - - return rc ? rc : repeatable; -} -#endif - -/* - * Run a command using the selected parser. - * - * @param cmd Command to run - * @param flag Execution flags (CMD_FLAG_...) - * @return 0 on success, or != 0 on error. - */ -int run_command(const char *cmd, int flag) -{ -#ifndef CONFIG_SYS_HUSH_PARSER - /* - * builtin_run_command can return 0 or 1 for success, so clean up - * its result. - */ - if (builtin_run_command(cmd, flag) == -1) - return 1; - - return 0; -#else - return parse_string_outer(cmd, - FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP); -#endif -} - -#ifndef CONFIG_SYS_HUSH_PARSER -/** - * Execute a list of command separated by ; or \n using the built-in parser. - * - * This function cannot take a const char * for the command, since if it - * finds newlines in the string, it replaces them with \0. - * - * @param cmd String containing list of commands - * @param flag Execution flags (CMD_FLAG_...) - * @return 0 on success, or != 0 on error. - */ -static int builtin_run_command_list(char *cmd, int flag) -{ - char *line, *next; - int rcode = 0; - - /* - * Break into individual lines, and execute each line; terminate on - * error. - */ - line = next = cmd; - while (*next) { - if (*next == '\n') { - *next = '\0'; - /* run only non-empty commands */ - if (*line) { - debug("** exec: \"%s\"\n", line); - if (builtin_run_command(line, 0) < 0) { - rcode = 1; - break; - } - } - line = next + 1; - } - ++next; - } - if (rcode == 0 && *line) - rcode = (builtin_run_command(line, 0) >= 0); - - return rcode; -} -#endif - -int run_command_list(const char *cmd, int len, int flag) -{ - int need_buff = 1; - char *buff = (char *)cmd; /* cast away const */ - int rcode = 0; - - if (len == -1) { - len = strlen(cmd); -#ifdef CONFIG_SYS_HUSH_PARSER - /* hush will never change our string */ - need_buff = 0; -#else - /* the built-in parser will change our string if it sees \n */ - need_buff = strchr(cmd, '\n') != NULL; -#endif - } - if (need_buff) { - buff = malloc(len + 1); - if (!buff) - return 1; - memcpy(buff, cmd, len); - buff[len] = '\0'; - } -#ifdef CONFIG_SYS_HUSH_PARSER - rcode = parse_string_outer(buff, FLAG_PARSE_SEMICOLON); -#else - /* - * This function will overwrite any \n it sees with a \0, which - * is why it can't work with a const char *. Here we are making - * using of internal knowledge of this function, to avoid always - * doing a malloc() which is actually required only in a case that - * is pretty rare. - */ - rcode = builtin_run_command_list(buff, flag); - if (need_buff) - free(buff); -#endif - - return rcode; -} - -/****************************************************************************/ - -#if defined(CONFIG_CMD_RUN) -int do_run (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) -{ - int i; - - if (argc < 2) - return CMD_RET_USAGE; - - for (i=1; i<argc; ++i) { - char *arg; - - if ((arg = getenv (argv[i])) == NULL) { - printf ("## Error: \"%s\" not defined\n", argv[i]); - return 1; - } - - if (run_command_list(arg, -1, flag) != 0) - return 1; - } - return 0; -} -#endif diff --git a/common/menu.c b/common/menu.c index ba393ad..94afeb2 100644 --- a/common/menu.c +++ b/common/menu.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <cli.h> #include <malloc.h> #include <errno.h> #include <linux/list.h> @@ -196,8 +197,9 @@ static inline int menu_interactive_choice(struct menu *m, void **choice) menu_display(m); if (!m->item_choice) { - readret = readline_into_buffer("Enter choice: ", cbuf, - m->timeout / 10); + readret = cli_readline_into_buffer("Enter choice: ", + cbuf, + m->timeout / 10); if (readret >= 0) { choice_item = menu_item_by_key(m, cbuf); |