Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 2 | /* |
Wolfgang Denk | ea009d4 | 2013-03-23 23:50:28 +0000 | [diff] [blame] | 3 | * (C) Copyright 2000-2013 |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 5 | * |
| 6 | * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 7 | * Andreas Heppel <aheppel@sysgo.de> |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 8 | * |
| 9 | * Copyright 2011 Freescale Semiconductor, Inc. |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 12 | /* |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 13 | * Support for persistent environment data |
| 14 | * |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 15 | * The "environment" is stored on external storage as a list of '\0' |
| 16 | * terminated "name=value" strings. The end of the list is marked by |
Robert P. J. Day | fc0b594 | 2016-09-07 14:27:59 -0400 | [diff] [blame] | 17 | * a double '\0'. The environment is preceded by a 32 bit CRC over |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 18 | * the data part and, in case of redundant environment, a byte of |
| 19 | * flags. |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 20 | * |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 21 | * This linearized representation will also be used before |
| 22 | * relocation, i. e. as long as we don't have a full C runtime |
| 23 | * environment. After that, we use a hash table. |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 24 | */ |
| 25 | |
| 26 | #include <common.h> |
Simon Glass | 18d6653 | 2014-04-10 20:01:25 -0600 | [diff] [blame] | 27 | #include <cli.h> |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 28 | #include <command.h> |
Simon Glass | 24b852a | 2015-11-08 23:47:45 -0700 | [diff] [blame] | 29 | #include <console.h> |
Simon Glass | f1f0ae6 | 2019-08-01 09:46:41 -0600 | [diff] [blame] | 30 | #include <env.h> |
Simon Glass | f3998fd | 2019-08-02 09:44:25 -0600 | [diff] [blame] | 31 | #include <env_internal.h> |
Simon Glass | 90526e9 | 2020-05-10 11:39:56 -0600 | [diff] [blame] | 32 | #include <net.h> |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 33 | #include <search.h> |
| 34 | #include <errno.h> |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 35 | #include <malloc.h> |
Joe Hershberger | 0eb25b6 | 2015-03-22 17:08:59 -0500 | [diff] [blame] | 36 | #include <mapmem.h> |
Simon Glass | 3db7110 | 2019-11-14 12:57:16 -0700 | [diff] [blame] | 37 | #include <u-boot/crc.h> |
wdenk | 2a3cb02 | 2002-11-05 21:01:48 +0000 | [diff] [blame] | 38 | #include <watchdog.h> |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 39 | #include <linux/stddef.h> |
| 40 | #include <asm/byteorder.h> |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 41 | #include <asm/io.h> |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 42 | |
Wolfgang Denk | d87080b | 2006-03-31 18:32:53 +0200 | [diff] [blame] | 43 | DECLARE_GLOBAL_DATA_PTR; |
| 44 | |
Patrick Delaunay | 2643c85 | 2019-02-18 10:58:16 +0100 | [diff] [blame] | 45 | #if defined(CONFIG_ENV_IS_IN_EEPROM) || \ |
| 46 | defined(CONFIG_ENV_IS_IN_FLASH) || \ |
| 47 | defined(CONFIG_ENV_IS_IN_MMC) || \ |
| 48 | defined(CONFIG_ENV_IS_IN_FAT) || \ |
| 49 | defined(CONFIG_ENV_IS_IN_EXT4) || \ |
| 50 | defined(CONFIG_ENV_IS_IN_NAND) || \ |
| 51 | defined(CONFIG_ENV_IS_IN_NVRAM) || \ |
| 52 | defined(CONFIG_ENV_IS_IN_ONENAND) || \ |
| 53 | defined(CONFIG_ENV_IS_IN_SATA) || \ |
| 54 | defined(CONFIG_ENV_IS_IN_SPI_FLASH) || \ |
| 55 | defined(CONFIG_ENV_IS_IN_REMOTE) || \ |
| 56 | defined(CONFIG_ENV_IS_IN_UBI) |
| 57 | |
| 58 | #define ENV_IS_IN_DEVICE |
| 59 | |
| 60 | #endif |
| 61 | |
| 62 | #if !defined(ENV_IS_IN_DEVICE) && \ |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 63 | !defined(CONFIG_ENV_IS_NOWHERE) |
Tuomas Tynkkynen | 7b7341d | 2017-10-10 21:59:40 +0300 | [diff] [blame] | 64 | # error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|MMC|FAT|EXT4|\ |
Lothar Waßmann | d1b88cd | 2017-06-08 14:16:14 +0200 | [diff] [blame] | 65 | NAND|NVRAM|ONENAND|SATA|SPI_FLASH|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 66 | #endif |
| 67 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 68 | /* |
| 69 | * Maximum expected input data size for import command |
| 70 | */ |
| 71 | #define MAX_ENV_SIZE (1 << 20) /* 1 MiB */ |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 72 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 73 | /* |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 74 | * This variable is incremented on each do_env_set(), so it can |
Simon Glass | f1f0ae6 | 2019-08-01 09:46:41 -0600 | [diff] [blame] | 75 | * be used via env_get_id() as an indication, if the environment |
Heiko Schocher | da95427 | 2009-04-28 08:36:11 +0200 | [diff] [blame] | 76 | * has changed or not. So it is possible to reread an environment |
| 77 | * variable only if the environment was changed ... done so for |
| 78 | * example in NetInitLoop() |
| 79 | */ |
Heiko Schocher | 2f70c49 | 2009-02-10 09:38:52 +0100 | [diff] [blame] | 80 | static int env_id = 1; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 81 | |
Simon Glass | f1f0ae6 | 2019-08-01 09:46:41 -0600 | [diff] [blame] | 82 | int env_get_id(void) |
Heiko Schocher | 2f70c49 | 2009-02-10 09:38:52 +0100 | [diff] [blame] | 83 | { |
| 84 | return env_id; |
| 85 | } |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 86 | |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 87 | #ifndef CONFIG_SPL_BUILD |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 88 | /* |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 89 | * Command interface: print one or all environment variables |
| 90 | * |
| 91 | * Returns 0 in case of error, or length of printed string |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 92 | */ |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 93 | static int env_print(char *name, int flag) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 94 | { |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 95 | char *res = NULL; |
Maxime Larocque | 22a4a6c | 2012-09-28 05:00:13 +0000 | [diff] [blame] | 96 | ssize_t len; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 97 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 98 | if (name) { /* print a single name */ |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 99 | struct env_entry e, *ep; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 100 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 101 | e.key = name; |
| 102 | e.data = NULL; |
Simon Glass | 3f0d680 | 2019-08-01 09:47:09 -0600 | [diff] [blame] | 103 | hsearch_r(e, ENV_FIND, &ep, &env_htab, flag); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 104 | if (ep == NULL) |
| 105 | return 0; |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 106 | len = printf("%s=%s\n", ep->key, ep->data); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 107 | return len; |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 108 | } |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 109 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 110 | /* print whole list */ |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 111 | len = hexport_r(&env_htab, '\n', flag, &res, 0, 0, NULL); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 112 | |
| 113 | if (len > 0) { |
| 114 | puts(res); |
| 115 | free(res); |
| 116 | return len; |
| 117 | } |
| 118 | |
| 119 | /* should never happen */ |
Maxime Larocque | 22a4a6c | 2012-09-28 05:00:13 +0000 | [diff] [blame] | 120 | printf("## Error: cannot export environment\n"); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 121 | return 0; |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 122 | } |
| 123 | |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 124 | static int do_env_print(struct cmd_tbl *cmdtp, int flag, int argc, |
| 125 | char *const argv[]) |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 126 | { |
| 127 | int i; |
| 128 | int rcode = 0; |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 129 | int env_flag = H_HIDE_DOT; |
| 130 | |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 131 | #if defined(CONFIG_CMD_NVEDIT_EFI) |
| 132 | if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e') |
| 133 | return do_env_print_efi(cmdtp, flag, --argc, ++argv); |
| 134 | #endif |
| 135 | |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 136 | if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'a') { |
| 137 | argc--; |
| 138 | argv++; |
| 139 | env_flag &= ~H_HIDE_DOT; |
| 140 | } |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 141 | |
| 142 | if (argc == 1) { |
| 143 | /* print all env vars */ |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 144 | rcode = env_print(NULL, env_flag); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 145 | if (!rcode) |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 146 | return 1; |
| 147 | printf("\nEnvironment size: %d/%ld bytes\n", |
| 148 | rcode, (ulong)ENV_SIZE); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 149 | return 0; |
| 150 | } |
| 151 | |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 152 | /* print selected env vars */ |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 153 | env_flag &= ~H_HIDE_DOT; |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 154 | for (i = 1; i < argc; ++i) { |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 155 | int rc = env_print(argv[i], env_flag); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 156 | if (!rc) { |
| 157 | printf("## Error: \"%s\" not defined\n", argv[i]); |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 158 | ++rcode; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 159 | } |
| 160 | } |
Mike Frysinger | 4c94f6c | 2009-05-24 02:26:19 -0400 | [diff] [blame] | 161 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 162 | return rcode; |
| 163 | } |
| 164 | |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 165 | #ifdef CONFIG_CMD_GREPENV |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 166 | static int do_env_grep(struct cmd_tbl *cmdtp, int flag, |
| 167 | int argc, char *const argv[]) |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 168 | { |
Wolfgang Denk | 5a31ea0 | 2013-03-23 23:50:29 +0000 | [diff] [blame] | 169 | char *res = NULL; |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 170 | int len, grep_how, grep_what; |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 171 | |
| 172 | if (argc < 2) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 173 | return CMD_RET_USAGE; |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 174 | |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 175 | grep_how = H_MATCH_SUBSTR; /* default: substring search */ |
| 176 | grep_what = H_MATCH_BOTH; /* default: grep names and values */ |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 177 | |
Pierre Aubert | 9a83233 | 2013-10-08 14:20:27 +0200 | [diff] [blame] | 178 | while (--argc > 0 && **++argv == '-') { |
| 179 | char *arg = *argv; |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 180 | while (*++arg) { |
| 181 | switch (*arg) { |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 182 | #ifdef CONFIG_REGEX |
| 183 | case 'e': /* use regex matching */ |
| 184 | grep_how = H_MATCH_REGEX; |
| 185 | break; |
| 186 | #endif |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 187 | case 'n': /* grep for name */ |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 188 | grep_what = H_MATCH_KEY; |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 189 | break; |
| 190 | case 'v': /* grep for value */ |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 191 | grep_what = H_MATCH_DATA; |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 192 | break; |
| 193 | case 'b': /* grep for both */ |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 194 | grep_what = H_MATCH_BOTH; |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 195 | break; |
| 196 | case '-': |
| 197 | goto DONE; |
| 198 | default: |
| 199 | return CMD_RET_USAGE; |
| 200 | } |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | DONE: |
Wolfgang Denk | 5a31ea0 | 2013-03-23 23:50:29 +0000 | [diff] [blame] | 205 | len = hexport_r(&env_htab, '\n', |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 206 | flag | grep_what | grep_how, |
Wolfgang Denk | 5a31ea0 | 2013-03-23 23:50:29 +0000 | [diff] [blame] | 207 | &res, 0, argc, argv); |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 208 | |
Wolfgang Denk | 5a31ea0 | 2013-03-23 23:50:29 +0000 | [diff] [blame] | 209 | if (len > 0) { |
| 210 | puts(res); |
| 211 | free(res); |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Wolfgang Denk | 5a31ea0 | 2013-03-23 23:50:29 +0000 | [diff] [blame] | 214 | if (len < 2) |
| 215 | return 1; |
| 216 | |
| 217 | return 0; |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 218 | } |
| 219 | #endif |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 220 | #endif /* CONFIG_SPL_BUILD */ |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 221 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 222 | /* |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 223 | * Set a new environment variable, |
| 224 | * or replace or delete an existing one. |
Joe Hershberger | 2598090 | 2012-12-11 22:16:31 -0600 | [diff] [blame] | 225 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 226 | static int _do_env_set(int flag, int argc, char *const argv[], int env_flag) |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 227 | { |
| 228 | int i, len; |
| 229 | char *name, *value, *s; |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 230 | struct env_entry e, *ep; |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 231 | |
Joe Hershberger | 24ab5a1 | 2012-12-11 22:16:35 -0600 | [diff] [blame] | 232 | debug("Initial value for argc=%d\n", argc); |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 233 | |
| 234 | #if CONFIG_IS_ENABLED(CMD_NVEDIT_EFI) |
| 235 | if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e') |
| 236 | return do_env_set_efi(NULL, flag, --argc, ++argv); |
| 237 | #endif |
| 238 | |
Joe Hershberger | 24ab5a1 | 2012-12-11 22:16:35 -0600 | [diff] [blame] | 239 | while (argc > 1 && **(argv + 1) == '-') { |
| 240 | char *arg = *++argv; |
| 241 | |
| 242 | --argc; |
| 243 | while (*++arg) { |
| 244 | switch (*arg) { |
| 245 | case 'f': /* force */ |
| 246 | env_flag |= H_FORCE; |
| 247 | break; |
| 248 | default: |
| 249 | return CMD_RET_USAGE; |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | debug("Final value for argc=%d\n", argc); |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 254 | name = argv[1]; |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 255 | |
| 256 | if (strchr(name, '=')) { |
| 257 | printf("## Error: illegal character '='" |
| 258 | "in variable name \"%s\"\n", name); |
| 259 | return 1; |
| 260 | } |
| 261 | |
| 262 | env_id++; |
Gerlando Falauto | c3f6525 | 2012-08-24 00:11:37 +0000 | [diff] [blame] | 263 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 264 | /* Delete only ? */ |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 265 | if (argc < 3 || argv[2] == NULL) { |
Joe Hershberger | 24ab5a1 | 2012-12-11 22:16:35 -0600 | [diff] [blame] | 266 | int rc = hdelete_r(name, &env_htab, env_flag); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 267 | return !rc; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | /* |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 271 | * Insert / replace new value |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 272 | */ |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 273 | for (i = 2, len = 0; i < argc; ++i) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 274 | len += strlen(argv[i]) + 1; |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 275 | |
| 276 | value = malloc(len); |
| 277 | if (value == NULL) { |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 278 | printf("## Can't malloc %d bytes\n", len); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 279 | return 1; |
| 280 | } |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 281 | for (i = 2, s = value; i < argc; ++i) { |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 282 | char *v = argv[i]; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 283 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 284 | while ((*s++ = *v++) != '\0') |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 285 | ; |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 286 | *(s - 1) = ' '; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 287 | } |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 288 | if (s != value) |
| 289 | *--s = '\0'; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 290 | |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 291 | e.key = name; |
| 292 | e.data = value; |
Simon Glass | 3f0d680 | 2019-08-01 09:47:09 -0600 | [diff] [blame] | 293 | hsearch_r(e, ENV_ENTER, &ep, &env_htab, env_flag); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 294 | free(value); |
| 295 | if (!ep) { |
| 296 | printf("## Error inserting \"%s\" variable, errno=%d\n", |
| 297 | name, errno); |
| 298 | return 1; |
| 299 | } |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 300 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 301 | return 0; |
| 302 | } |
| 303 | |
Simon Glass | 382bee5 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 304 | int env_set(const char *varname, const char *varvalue) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 305 | { |
Wolfgang Denk | 84b5e80 | 2011-07-29 14:42:18 +0200 | [diff] [blame] | 306 | const char * const argv[4] = { "setenv", varname, varvalue, NULL }; |
| 307 | |
Joe Hershberger | a7eb1d6 | 2013-04-08 10:32:50 +0000 | [diff] [blame] | 308 | /* before import into hashtable */ |
| 309 | if (!(gd->flags & GD_FLG_ENV_READY)) |
| 310 | return 1; |
| 311 | |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 312 | if (varvalue == NULL || varvalue[0] == '\0') |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 313 | return _do_env_set(0, 2, (char * const *)argv, H_PROGRAMMATIC); |
Jeffrey Mann | 9ffd451 | 2007-04-23 14:00:11 +0200 | [diff] [blame] | 314 | else |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 315 | return _do_env_set(0, 3, (char * const *)argv, H_PROGRAMMATIC); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 316 | } |
| 317 | |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 318 | /** |
| 319 | * Set an environment variable to an integer value |
| 320 | * |
Simon Glass | 9602286 | 2013-05-07 06:11:45 +0000 | [diff] [blame] | 321 | * @param varname Environment variable to set |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 322 | * @param value Value to set it to |
| 323 | * @return 0 if ok, 1 on error |
| 324 | */ |
Simon Glass | 018f530 | 2017-08-03 12:22:10 -0600 | [diff] [blame] | 325 | int env_set_ulong(const char *varname, ulong value) |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 326 | { |
| 327 | /* TODO: this should be unsigned */ |
| 328 | char *str = simple_itoa(value); |
| 329 | |
Simon Glass | 382bee5 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 330 | return env_set(varname, str); |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | /** |
Simon Glass | bfc5996 | 2013-02-24 17:33:21 +0000 | [diff] [blame] | 334 | * Set an environment variable to an value in hex |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 335 | * |
Simon Glass | 9602286 | 2013-05-07 06:11:45 +0000 | [diff] [blame] | 336 | * @param varname Environment variable to set |
Simon Glass | bfc5996 | 2013-02-24 17:33:21 +0000 | [diff] [blame] | 337 | * @param value Value to set it to |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 338 | * @return 0 if ok, 1 on error |
| 339 | */ |
Simon Glass | 018f530 | 2017-08-03 12:22:10 -0600 | [diff] [blame] | 340 | int env_set_hex(const char *varname, ulong value) |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 341 | { |
| 342 | char str[17]; |
| 343 | |
Simon Glass | bfc5996 | 2013-02-24 17:33:21 +0000 | [diff] [blame] | 344 | sprintf(str, "%lx", value); |
Simon Glass | 382bee5 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 345 | return env_set(varname, str); |
Simon Glass | d67f10c | 2011-10-24 17:59:59 +0000 | [diff] [blame] | 346 | } |
| 347 | |
Simon Glass | bfebc8c | 2017-08-03 12:22:13 -0600 | [diff] [blame] | 348 | ulong env_get_hex(const char *varname, ulong default_val) |
Simon Glass | 76b8f79 | 2013-04-20 08:42:43 +0000 | [diff] [blame] | 349 | { |
| 350 | const char *s; |
| 351 | ulong value; |
| 352 | char *endp; |
| 353 | |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 354 | s = env_get(varname); |
Simon Glass | 76b8f79 | 2013-04-20 08:42:43 +0000 | [diff] [blame] | 355 | if (s) |
| 356 | value = simple_strtoul(s, &endp, 16); |
| 357 | if (!s || endp == s) |
| 358 | return default_val; |
| 359 | |
| 360 | return value; |
| 361 | } |
| 362 | |
Alex Kiernan | 9925f1d | 2018-04-01 09:22:38 +0000 | [diff] [blame] | 363 | int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr) |
| 364 | { |
Joe Hershberger | fb8977c | 2019-09-13 19:21:16 -0500 | [diff] [blame] | 365 | string_to_enetaddr(env_get(name), enetaddr); |
Alex Kiernan | 9925f1d | 2018-04-01 09:22:38 +0000 | [diff] [blame] | 366 | return is_valid_ethaddr(enetaddr); |
| 367 | } |
| 368 | |
| 369 | int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr) |
| 370 | { |
| 371 | char buf[ARP_HLEN_ASCII + 1]; |
| 372 | |
| 373 | if (eth_env_get_enetaddr(name, (uint8_t *)buf)) |
| 374 | return -EEXIST; |
| 375 | |
| 376 | sprintf(buf, "%pM", enetaddr); |
| 377 | |
| 378 | return env_set(name, buf); |
| 379 | } |
| 380 | |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 381 | #ifndef CONFIG_SPL_BUILD |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 382 | static int do_env_set(struct cmd_tbl *cmdtp, int flag, int argc, |
| 383 | char *const argv[]) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 384 | { |
Wolfgang Denk | 47e26b1 | 2010-07-17 01:06:04 +0200 | [diff] [blame] | 385 | if (argc < 2) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 386 | return CMD_RET_USAGE; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 387 | |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 388 | return _do_env_set(flag, argc, argv, H_INTERACTIVE); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 389 | } |
| 390 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 391 | /* |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 392 | * Prompt for environment variable |
| 393 | */ |
Jon Loeliger | c76fe47 | 2007-07-08 18:02:23 -0500 | [diff] [blame] | 394 | #if defined(CONFIG_CMD_ASKENV) |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 395 | int do_env_ask(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 396 | { |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 397 | char message[CONFIG_SYS_CBSIZE]; |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 398 | int i, len, pos, size; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 399 | char *local_args[4]; |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 400 | char *endptr; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 401 | |
| 402 | local_args[0] = argv[0]; |
| 403 | local_args[1] = argv[1]; |
| 404 | local_args[2] = NULL; |
| 405 | local_args[3] = NULL; |
| 406 | |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 407 | /* |
| 408 | * Check the syntax: |
| 409 | * |
| 410 | * env_ask envname [message1 ...] [size] |
| 411 | */ |
| 412 | if (argc == 1) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 413 | return CMD_RET_USAGE; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 414 | |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 415 | /* |
| 416 | * We test the last argument if it can be converted |
| 417 | * into a decimal number. If yes, we assume it's |
| 418 | * the size. Otherwise we echo it as part of the |
| 419 | * message. |
| 420 | */ |
| 421 | i = simple_strtoul(argv[argc - 1], &endptr, 10); |
| 422 | if (*endptr != '\0') { /* no size */ |
| 423 | size = CONFIG_SYS_CBSIZE - 1; |
| 424 | } else { /* size given */ |
| 425 | size = i; |
| 426 | --argc; |
| 427 | } |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 428 | |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 429 | if (argc <= 2) { |
| 430 | sprintf(message, "Please enter '%s': ", argv[1]); |
| 431 | } else { |
| 432 | /* env_ask envname message1 ... messagen [size] */ |
Tom Rini | bf52fcd | 2017-10-07 11:27:59 -0400 | [diff] [blame] | 433 | for (i = 2, pos = 0; i < argc && pos+1 < sizeof(message); i++) { |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 434 | if (pos) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 435 | message[pos++] = ' '; |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 436 | |
Tom Rini | c667723 | 2017-09-26 19:37:11 -0400 | [diff] [blame] | 437 | strncpy(message + pos, argv[i], sizeof(message) - pos); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 438 | pos += strlen(argv[i]); |
| 439 | } |
Tom Rini | c667723 | 2017-09-26 19:37:11 -0400 | [diff] [blame] | 440 | if (pos < sizeof(message) - 1) { |
| 441 | message[pos++] = ' '; |
| 442 | message[pos] = '\0'; |
| 443 | } else |
| 444 | message[CONFIG_SYS_CBSIZE - 1] = '\0'; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 445 | } |
| 446 | |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 447 | if (size >= CONFIG_SYS_CBSIZE) |
| 448 | size = CONFIG_SYS_CBSIZE - 1; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 449 | |
| 450 | if (size <= 0) |
| 451 | return 1; |
| 452 | |
| 453 | /* prompt for input */ |
Simon Glass | e1bf824 | 2014-04-10 20:01:27 -0600 | [diff] [blame] | 454 | len = cli_readline(message); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 455 | |
| 456 | if (size < len) |
| 457 | console_buffer[size] = '\0'; |
| 458 | |
| 459 | len = 2; |
| 460 | if (console_buffer[0] != '\0') { |
| 461 | local_args[2] = console_buffer; |
| 462 | len = 3; |
| 463 | } |
| 464 | |
| 465 | /* Continue calling setenv code */ |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 466 | return _do_env_set(flag, len, local_args, H_INTERACTIVE); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 467 | } |
Jon Loeliger | 9025317 | 2007-07-10 11:02:44 -0500 | [diff] [blame] | 468 | #endif |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 469 | |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 470 | #if defined(CONFIG_CMD_ENV_CALLBACK) |
Joe Hershberger | cca98fd | 2015-05-20 14:27:19 -0500 | [diff] [blame] | 471 | static int print_static_binding(const char *var_name, const char *callback_name, |
| 472 | void *priv) |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 473 | { |
| 474 | printf("\t%-20s %-20s\n", var_name, callback_name); |
| 475 | |
| 476 | return 0; |
| 477 | } |
| 478 | |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 479 | static int print_active_callback(struct env_entry *entry) |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 480 | { |
| 481 | struct env_clbk_tbl *clbkp; |
| 482 | int i; |
| 483 | int num_callbacks; |
| 484 | |
| 485 | if (entry->callback == NULL) |
| 486 | return 0; |
| 487 | |
| 488 | /* look up the callback in the linker-list */ |
| 489 | num_callbacks = ll_entry_count(struct env_clbk_tbl, env_clbk); |
| 490 | for (i = 0, clbkp = ll_entry_start(struct env_clbk_tbl, env_clbk); |
| 491 | i < num_callbacks; |
| 492 | i++, clbkp++) { |
| 493 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
| 494 | if (entry->callback == clbkp->callback + gd->reloc_off) |
| 495 | #else |
| 496 | if (entry->callback == clbkp->callback) |
| 497 | #endif |
| 498 | break; |
| 499 | } |
| 500 | |
| 501 | if (i == num_callbacks) |
| 502 | /* this should probably never happen, but just in case... */ |
| 503 | printf("\t%-20s %p\n", entry->key, entry->callback); |
| 504 | else |
| 505 | printf("\t%-20s %-20s\n", entry->key, clbkp->name); |
| 506 | |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | /* |
| 511 | * Print the callbacks available and what they are bound to |
| 512 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 513 | int do_env_callback(struct cmd_tbl *cmdtp, int flag, int argc, |
| 514 | char *const argv[]) |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 515 | { |
| 516 | struct env_clbk_tbl *clbkp; |
| 517 | int i; |
| 518 | int num_callbacks; |
| 519 | |
| 520 | /* Print the available callbacks */ |
| 521 | puts("Available callbacks:\n"); |
| 522 | puts("\tCallback Name\n"); |
| 523 | puts("\t-------------\n"); |
| 524 | num_callbacks = ll_entry_count(struct env_clbk_tbl, env_clbk); |
| 525 | for (i = 0, clbkp = ll_entry_start(struct env_clbk_tbl, env_clbk); |
| 526 | i < num_callbacks; |
| 527 | i++, clbkp++) |
| 528 | printf("\t%s\n", clbkp->name); |
| 529 | puts("\n"); |
| 530 | |
| 531 | /* Print the static bindings that may exist */ |
| 532 | puts("Static callback bindings:\n"); |
| 533 | printf("\t%-20s %-20s\n", "Variable Name", "Callback Name"); |
| 534 | printf("\t%-20s %-20s\n", "-------------", "-------------"); |
Joe Hershberger | cca98fd | 2015-05-20 14:27:19 -0500 | [diff] [blame] | 535 | env_attr_walk(ENV_CALLBACK_LIST_STATIC, print_static_binding, NULL); |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 536 | puts("\n"); |
| 537 | |
| 538 | /* walk through each variable and print the callback if it has one */ |
| 539 | puts("Active callback bindings:\n"); |
| 540 | printf("\t%-20s %-20s\n", "Variable Name", "Callback Name"); |
| 541 | printf("\t%-20s %-20s\n", "-------------", "-------------"); |
| 542 | hwalk_r(&env_htab, print_active_callback); |
| 543 | return 0; |
| 544 | } |
| 545 | #endif |
| 546 | |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 547 | #if defined(CONFIG_CMD_ENV_FLAGS) |
Joe Hershberger | cca98fd | 2015-05-20 14:27:19 -0500 | [diff] [blame] | 548 | static int print_static_flags(const char *var_name, const char *flags, |
| 549 | void *priv) |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 550 | { |
| 551 | enum env_flags_vartype type = env_flags_parse_vartype(flags); |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 552 | enum env_flags_varaccess access = env_flags_parse_varaccess(flags); |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 553 | |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 554 | printf("\t%-20s %-20s %-20s\n", var_name, |
| 555 | env_flags_get_vartype_name(type), |
| 556 | env_flags_get_varaccess_name(access)); |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 561 | static int print_active_flags(struct env_entry *entry) |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 562 | { |
| 563 | enum env_flags_vartype type; |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 564 | enum env_flags_varaccess access; |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 565 | |
| 566 | if (entry->flags == 0) |
| 567 | return 0; |
| 568 | |
| 569 | type = (enum env_flags_vartype) |
| 570 | (entry->flags & ENV_FLAGS_VARTYPE_BIN_MASK); |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 571 | access = env_flags_parse_varaccess_from_binflags(entry->flags); |
| 572 | printf("\t%-20s %-20s %-20s\n", entry->key, |
| 573 | env_flags_get_vartype_name(type), |
| 574 | env_flags_get_varaccess_name(access)); |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 575 | |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | /* |
| 580 | * Print the flags available and what variables have flags |
| 581 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 582 | int do_env_flags(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 583 | { |
| 584 | /* Print the available variable types */ |
| 585 | printf("Available variable type flags (position %d):\n", |
| 586 | ENV_FLAGS_VARTYPE_LOC); |
| 587 | puts("\tFlag\tVariable Type Name\n"); |
| 588 | puts("\t----\t------------------\n"); |
| 589 | env_flags_print_vartypes(); |
| 590 | puts("\n"); |
| 591 | |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 592 | /* Print the available variable access types */ |
| 593 | printf("Available variable access flags (position %d):\n", |
| 594 | ENV_FLAGS_VARACCESS_LOC); |
| 595 | puts("\tFlag\tVariable Access Name\n"); |
| 596 | puts("\t----\t--------------------\n"); |
| 597 | env_flags_print_varaccess(); |
| 598 | puts("\n"); |
| 599 | |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 600 | /* Print the static flags that may exist */ |
| 601 | puts("Static flags:\n"); |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 602 | printf("\t%-20s %-20s %-20s\n", "Variable Name", "Variable Type", |
| 603 | "Variable Access"); |
| 604 | printf("\t%-20s %-20s %-20s\n", "-------------", "-------------", |
| 605 | "---------------"); |
Joe Hershberger | cca98fd | 2015-05-20 14:27:19 -0500 | [diff] [blame] | 606 | env_attr_walk(ENV_FLAGS_LIST_STATIC, print_static_flags, NULL); |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 607 | puts("\n"); |
| 608 | |
| 609 | /* walk through each variable and print the flags if non-default */ |
| 610 | puts("Active flags:\n"); |
Joe Hershberger | 267541f | 2012-12-11 22:16:34 -0600 | [diff] [blame] | 611 | printf("\t%-20s %-20s %-20s\n", "Variable Name", "Variable Type", |
| 612 | "Variable Access"); |
| 613 | printf("\t%-20s %-20s %-20s\n", "-------------", "-------------", |
| 614 | "---------------"); |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 615 | hwalk_r(&env_htab, print_active_flags); |
| 616 | return 0; |
| 617 | } |
| 618 | #endif |
| 619 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 620 | /* |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 621 | * Interactively edit an environment variable |
| 622 | */ |
| 623 | #if defined(CONFIG_CMD_EDITENV) |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 624 | static int do_env_edit(struct cmd_tbl *cmdtp, int flag, int argc, |
| 625 | char *const argv[]) |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 626 | { |
| 627 | char buffer[CONFIG_SYS_CBSIZE]; |
| 628 | char *init_val; |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 629 | |
Wolfgang Denk | 47e26b1 | 2010-07-17 01:06:04 +0200 | [diff] [blame] | 630 | if (argc < 2) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 631 | return CMD_RET_USAGE; |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 632 | |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 633 | /* before import into hashtable */ |
| 634 | if (!(gd->flags & GD_FLG_ENV_READY)) |
| 635 | return 1; |
| 636 | |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 637 | /* Set read buffer to initial value or empty sting */ |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 638 | init_val = env_get(argv[1]); |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 639 | if (init_val) |
Peng Fan | 5d49b4c | 2015-12-23 12:08:09 +0800 | [diff] [blame] | 640 | snprintf(buffer, CONFIG_SYS_CBSIZE, "%s", init_val); |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 641 | else |
| 642 | buffer[0] = '\0'; |
| 643 | |
Simon Glass | e1bf824 | 2014-04-10 20:01:27 -0600 | [diff] [blame] | 644 | if (cli_readline_into_buffer("edit: ", buffer, 0) < 0) |
Joe Hershberger | 18a3cce | 2013-02-08 10:12:34 +0000 | [diff] [blame] | 645 | return 1; |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 646 | |
Joe Hershberger | 94b467b | 2015-05-20 14:27:21 -0500 | [diff] [blame] | 647 | if (buffer[0] == '\0') { |
| 648 | const char * const _argv[3] = { "setenv", argv[1], NULL }; |
| 649 | |
| 650 | return _do_env_set(0, 2, (char * const *)_argv, H_INTERACTIVE); |
| 651 | } else { |
| 652 | const char * const _argv[4] = { "setenv", argv[1], buffer, |
| 653 | NULL }; |
| 654 | |
| 655 | return _do_env_set(0, 3, (char * const *)_argv, H_INTERACTIVE); |
| 656 | } |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 657 | } |
| 658 | #endif /* CONFIG_CMD_EDITENV */ |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 659 | #endif /* CONFIG_SPL_BUILD */ |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 660 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 661 | /* |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 662 | * Look up variable from environment, |
| 663 | * return address of storage for that variable, |
| 664 | * or NULL if not found |
| 665 | */ |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 666 | char *env_get(const char *name) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 667 | { |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 668 | if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */ |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 669 | struct env_entry e, *ep; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 670 | |
Wolfgang Denk | 91a7675 | 2010-07-24 20:22:02 +0200 | [diff] [blame] | 671 | WATCHDOG_RESET(); |
wdenk | 2a3cb02 | 2002-11-05 21:01:48 +0000 | [diff] [blame] | 672 | |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 673 | e.key = name; |
| 674 | e.data = NULL; |
Simon Glass | 3f0d680 | 2019-08-01 09:47:09 -0600 | [diff] [blame] | 675 | hsearch_r(e, ENV_FIND, &ep, &env_htab, 0); |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 676 | |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 677 | return ep ? ep->data : NULL; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 678 | } |
| 679 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 680 | /* restricted capabilities before import */ |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 681 | if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 682 | return (char *)(gd->env_buf); |
| 683 | |
| 684 | return NULL; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 685 | } |
| 686 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 687 | /* |
Patrice Chotard | 1ac2cb9 | 2019-11-25 09:07:36 +0100 | [diff] [blame] | 688 | * Like env_get, but prints an error if envvar isn't defined in the |
| 689 | * environment. It always returns what env_get does, so it can be used in |
| 690 | * place of env_get without changing error handling otherwise. |
| 691 | */ |
| 692 | char *from_env(const char *envvar) |
| 693 | { |
| 694 | char *ret; |
| 695 | |
| 696 | ret = env_get(envvar); |
| 697 | |
| 698 | if (!ret) |
| 699 | printf("missing environment variable: %s\n", envvar); |
| 700 | |
| 701 | return ret; |
| 702 | } |
| 703 | |
| 704 | /* |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 705 | * Look up variable from environment for restricted C runtime env. |
| 706 | */ |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 707 | int env_get_f(const char *name, char *buf, unsigned len) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 708 | { |
Simon Goldschmidt | 87c7fb3 | 2018-01-31 07:56:48 +0100 | [diff] [blame] | 709 | int i, nxt, c; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 710 | |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 711 | for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) { |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 712 | int val, n; |
| 713 | |
Simon Goldschmidt | 87c7fb3 | 2018-01-31 07:56:48 +0100 | [diff] [blame] | 714 | for (nxt = i; (c = env_get_char(nxt)) != '\0'; ++nxt) { |
| 715 | if (c < 0) |
| 716 | return c; |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 717 | if (nxt >= CONFIG_ENV_SIZE) |
| 718 | return -1; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 719 | } |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 720 | |
Simon Glass | b9ca02c | 2019-08-01 09:46:45 -0600 | [diff] [blame] | 721 | val = env_match((uchar *)name, i); |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 722 | if (val < 0) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 723 | continue; |
Wolfgang Denk | 9ed4a95 | 2010-07-24 22:16:20 +0200 | [diff] [blame] | 724 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 725 | /* found; copy out */ |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 726 | for (n = 0; n < len; ++n, ++buf) { |
Simon Goldschmidt | 87c7fb3 | 2018-01-31 07:56:48 +0100 | [diff] [blame] | 727 | c = env_get_char(val++); |
| 728 | if (c < 0) |
| 729 | return c; |
| 730 | *buf = c; |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 731 | if (*buf == '\0') |
Wolfgang Denk | 9ed4a95 | 2010-07-24 22:16:20 +0200 | [diff] [blame] | 732 | return n; |
| 733 | } |
| 734 | |
| 735 | if (n) |
| 736 | *--buf = '\0'; |
| 737 | |
Heinrich Schuchardt | 8291951 | 2019-01-06 11:52:06 +0100 | [diff] [blame] | 738 | printf("env_buf [%u bytes] too small for value of \"%s\"\n", |
| 739 | len, name); |
Wolfgang Denk | 9ed4a95 | 2010-07-24 22:16:20 +0200 | [diff] [blame] | 740 | |
| 741 | return n; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 742 | } |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 743 | |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 744 | return -1; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 745 | } |
| 746 | |
Simon Glass | 4a9b413 | 2011-10-14 13:25:18 +0000 | [diff] [blame] | 747 | /** |
| 748 | * Decode the integer value of an environment variable and return it. |
| 749 | * |
Shyam Saini | 919d25c | 2018-06-07 19:47:19 +0530 | [diff] [blame] | 750 | * @param name Name of environment variable |
Simon Glass | 4a9b413 | 2011-10-14 13:25:18 +0000 | [diff] [blame] | 751 | * @param base Number base to use (normally 10, or 16 for hex) |
| 752 | * @param default_val Default value to return if the variable is not |
| 753 | * found |
| 754 | * @return the decoded value, or default_val if not found |
| 755 | */ |
Simon Glass | bfebc8c | 2017-08-03 12:22:13 -0600 | [diff] [blame] | 756 | ulong env_get_ulong(const char *name, int base, ulong default_val) |
Simon Glass | 4a9b413 | 2011-10-14 13:25:18 +0000 | [diff] [blame] | 757 | { |
| 758 | /* |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 759 | * We can use env_get() here, even before relocation, since the |
Simon Glass | 4a9b413 | 2011-10-14 13:25:18 +0000 | [diff] [blame] | 760 | * environment variable value is an integer and thus short. |
| 761 | */ |
Simon Glass | 00caae6 | 2017-08-03 12:22:12 -0600 | [diff] [blame] | 762 | const char *str = env_get(name); |
Simon Glass | 4a9b413 | 2011-10-14 13:25:18 +0000 | [diff] [blame] | 763 | |
| 764 | return str ? simple_strtoul(str, NULL, base) : default_val; |
| 765 | } |
| 766 | |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 767 | #ifndef CONFIG_SPL_BUILD |
Patrick Delaunay | 2643c85 | 2019-02-18 10:58:16 +0100 | [diff] [blame] | 768 | #if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 769 | static int do_env_save(struct cmd_tbl *cmdtp, int flag, int argc, |
| 770 | char *const argv[]) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 771 | { |
Simon Glass | 0151009 | 2017-08-03 12:22:08 -0600 | [diff] [blame] | 772 | return env_save() ? 1 : 0; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 773 | } |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 774 | |
Mike Frysinger | ba69dc2 | 2008-12-30 02:59:25 -0500 | [diff] [blame] | 775 | U_BOOT_CMD( |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 776 | saveenv, 1, 0, do_env_save, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 777 | "save environment variables to persistent storage", |
Wolfgang Denk | a89c33d | 2009-05-24 17:06:54 +0200 | [diff] [blame] | 778 | "" |
Mike Frysinger | ba69dc2 | 2008-12-30 02:59:25 -0500 | [diff] [blame] | 779 | ); |
Frank Wunderlich | cd121bd | 2019-06-29 11:36:19 +0200 | [diff] [blame] | 780 | |
| 781 | #if defined(CONFIG_CMD_ERASEENV) |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 782 | static int do_env_erase(struct cmd_tbl *cmdtp, int flag, int argc, |
| 783 | char *const argv[]) |
Frank Wunderlich | cd121bd | 2019-06-29 11:36:19 +0200 | [diff] [blame] | 784 | { |
| 785 | return env_erase() ? 1 : 0; |
| 786 | } |
| 787 | |
| 788 | U_BOOT_CMD( |
| 789 | eraseenv, 1, 0, do_env_erase, |
| 790 | "erase environment variables from persistent storage", |
| 791 | "" |
| 792 | ); |
| 793 | #endif |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 794 | #endif |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 795 | #endif /* CONFIG_SPL_BUILD */ |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 796 | |
Simon Glass | b9ca02c | 2019-08-01 09:46:45 -0600 | [diff] [blame] | 797 | int env_match(uchar *s1, int i2) |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 798 | { |
Joe Hershberger | 586197d | 2012-10-03 09:38:50 +0000 | [diff] [blame] | 799 | if (s1 == NULL) |
| 800 | return -1; |
| 801 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 802 | while (*s1 == env_get_char(i2++)) |
| 803 | if (*s1++ == '=') |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 804 | return i2; |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 805 | |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 806 | if (*s1 == '\0' && env_get_char(i2-1) == '=') |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 807 | return i2; |
Igor Grinberg | d09b178 | 2011-11-07 01:13:59 +0000 | [diff] [blame] | 808 | |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 809 | return -1; |
wdenk | a68d3ed | 2002-10-11 08:38:32 +0000 | [diff] [blame] | 810 | } |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 811 | |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 812 | #ifndef CONFIG_SPL_BUILD |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 813 | static int do_env_default(struct cmd_tbl *cmdtp, int flag, |
| 814 | int argc, char *const argv[]) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 815 | { |
Yaniv Levinsky | 5a04264 | 2018-06-24 19:16:56 +0300 | [diff] [blame] | 816 | int all = 0, env_flag = H_INTERACTIVE; |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 817 | |
Gerlando Falauto | b64b7c3 | 2012-08-24 00:11:41 +0000 | [diff] [blame] | 818 | debug("Initial value for argc=%d\n", argc); |
| 819 | while (--argc > 0 && **++argv == '-') { |
| 820 | char *arg = *argv; |
| 821 | |
| 822 | while (*++arg) { |
| 823 | switch (*arg) { |
| 824 | case 'a': /* default all */ |
| 825 | all = 1; |
| 826 | break; |
| 827 | case 'f': /* force */ |
Yaniv Levinsky | 3009149 | 2018-06-24 19:16:54 +0300 | [diff] [blame] | 828 | env_flag |= H_FORCE; |
Gerlando Falauto | b64b7c3 | 2012-08-24 00:11:41 +0000 | [diff] [blame] | 829 | break; |
| 830 | default: |
| 831 | return cmd_usage(cmdtp); |
| 832 | } |
| 833 | } |
| 834 | } |
| 835 | debug("Final value for argc=%d\n", argc); |
| 836 | if (all && (argc == 0)) { |
| 837 | /* Reset the whole environment */ |
Simon Glass | 0ac7d72 | 2019-08-01 09:47:00 -0600 | [diff] [blame] | 838 | env_set_default("## Resetting to default environment\n", |
Yaniv Levinsky | c5d548a | 2018-06-24 19:16:57 +0300 | [diff] [blame] | 839 | env_flag); |
Gerlando Falauto | b64b7c3 | 2012-08-24 00:11:41 +0000 | [diff] [blame] | 840 | return 0; |
| 841 | } |
| 842 | if (!all && (argc > 0)) { |
| 843 | /* Reset individual variables */ |
Simon Glass | 0b9d8a0 | 2019-08-01 09:46:56 -0600 | [diff] [blame] | 844 | env_set_default_vars(argc, argv, env_flag); |
Gerlando Falauto | b64b7c3 | 2012-08-24 00:11:41 +0000 | [diff] [blame] | 845 | return 0; |
| 846 | } |
| 847 | |
| 848 | return cmd_usage(cmdtp); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 849 | } |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 850 | |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 851 | static int do_env_delete(struct cmd_tbl *cmdtp, int flag, |
| 852 | int argc, char *const argv[]) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 853 | { |
Joe Hershberger | 9d8d661 | 2012-12-11 22:16:36 -0600 | [diff] [blame] | 854 | int env_flag = H_INTERACTIVE; |
| 855 | int ret = 0; |
| 856 | |
| 857 | debug("Initial value for argc=%d\n", argc); |
| 858 | while (argc > 1 && **(argv + 1) == '-') { |
| 859 | char *arg = *++argv; |
| 860 | |
| 861 | --argc; |
| 862 | while (*++arg) { |
| 863 | switch (*arg) { |
| 864 | case 'f': /* force */ |
| 865 | env_flag |= H_FORCE; |
| 866 | break; |
| 867 | default: |
| 868 | return CMD_RET_USAGE; |
| 869 | } |
| 870 | } |
| 871 | } |
| 872 | debug("Final value for argc=%d\n", argc); |
| 873 | |
| 874 | env_id++; |
| 875 | |
| 876 | while (--argc > 0) { |
| 877 | char *name = *++argv; |
| 878 | |
| 879 | if (!hdelete_r(name, &env_htab, env_flag)) |
| 880 | ret = 1; |
| 881 | } |
| 882 | |
| 883 | return ret; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 884 | } |
| 885 | |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 886 | #ifdef CONFIG_CMD_EXPORTENV |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 887 | /* |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 888 | * env export [-t | -b | -c] [-s size] addr [var ...] |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 889 | * -t: export as text format; if size is given, data will be |
| 890 | * padded with '\0' bytes; if not, one terminating '\0' |
| 891 | * will be added (which is included in the "filesize" |
| 892 | * setting so you can for exmple copy this to flash and |
| 893 | * keep the termination). |
| 894 | * -b: export as binary format (name=value pairs separated by |
| 895 | * '\0', list end marked by double "\0\0") |
| 896 | * -c: export as checksum protected environment format as |
| 897 | * used for example by "saveenv" command |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 898 | * -s size: |
| 899 | * size of output buffer |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 900 | * addr: memory address where environment gets stored |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 901 | * var... List of variable names that get included into the |
| 902 | * export. Without arguments, the whole environment gets |
| 903 | * exported. |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 904 | * |
| 905 | * With "-c" and size is NOT given, then the export command will |
| 906 | * format the data as currently used for the persistent storage, |
| 907 | * i. e. it will use CONFIG_ENV_SECT_SIZE as output block size and |
Robert P. J. Day | fc0b594 | 2016-09-07 14:27:59 -0400 | [diff] [blame] | 908 | * prepend a valid CRC32 checksum and, in case of redundant |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 909 | * environment, a "current" redundancy flag. If size is given, this |
| 910 | * value will be used instead of CONFIG_ENV_SECT_SIZE; again, CRC32 |
| 911 | * checksum and redundancy flag will be inserted. |
| 912 | * |
| 913 | * With "-b" and "-t", always only the real data (including a |
| 914 | * terminating '\0' byte) will be written; here the optional size |
| 915 | * argument will be used to make sure not to overflow the user |
| 916 | * provided buffer; the command will abort if the size is not |
Robert P. J. Day | fc0b594 | 2016-09-07 14:27:59 -0400 | [diff] [blame] | 917 | * sufficient. Any remaining space will be '\0' padded. |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 918 | * |
| 919 | * On successful return, the variable "filesize" will be set. |
| 920 | * Note that filesize includes the trailing/terminating '\0' byte(s). |
| 921 | * |
Robert P. J. Day | fc0b594 | 2016-09-07 14:27:59 -0400 | [diff] [blame] | 922 | * Usage scenario: create a text snapshot/backup of the current settings: |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 923 | * |
| 924 | * => env export -t 100000 |
| 925 | * => era ${backup_addr} +${filesize} |
| 926 | * => cp.b 100000 ${backup_addr} ${filesize} |
| 927 | * |
| 928 | * Re-import this snapshot, deleting all other settings: |
| 929 | * |
| 930 | * => env import -d -t ${backup_addr} |
| 931 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 932 | static int do_env_export(struct cmd_tbl *cmdtp, int flag, |
| 933 | int argc, char *const argv[]) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 934 | { |
| 935 | char buf[32]; |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 936 | ulong addr; |
| 937 | char *ptr, *cmd, *res; |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 938 | size_t size = 0; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 939 | ssize_t len; |
| 940 | env_t *envp; |
| 941 | char sep = '\n'; |
| 942 | int chk = 0; |
| 943 | int fmt = 0; |
| 944 | |
| 945 | cmd = *argv; |
| 946 | |
| 947 | while (--argc > 0 && **++argv == '-') { |
| 948 | char *arg = *argv; |
| 949 | while (*++arg) { |
| 950 | switch (*arg) { |
| 951 | case 'b': /* raw binary format */ |
| 952 | if (fmt++) |
| 953 | goto sep_err; |
| 954 | sep = '\0'; |
| 955 | break; |
| 956 | case 'c': /* external checksum format */ |
| 957 | if (fmt++) |
| 958 | goto sep_err; |
| 959 | sep = '\0'; |
| 960 | chk = 1; |
| 961 | break; |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 962 | case 's': /* size given */ |
| 963 | if (--argc <= 0) |
| 964 | return cmd_usage(cmdtp); |
| 965 | size = simple_strtoul(*++argv, NULL, 16); |
| 966 | goto NXTARG; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 967 | case 't': /* text format */ |
| 968 | if (fmt++) |
| 969 | goto sep_err; |
| 970 | sep = '\n'; |
| 971 | break; |
| 972 | default: |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 973 | return CMD_RET_USAGE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 974 | } |
| 975 | } |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 976 | NXTARG: ; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 977 | } |
| 978 | |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 979 | if (argc < 1) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 980 | return CMD_RET_USAGE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 981 | |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 982 | addr = simple_strtoul(argv[0], NULL, 16); |
| 983 | ptr = map_sysmem(addr, size); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 984 | |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 985 | if (size) |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 986 | memset(ptr, '\0', size); |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 987 | |
| 988 | argc--; |
| 989 | argv++; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 990 | |
| 991 | if (sep) { /* export as text file */ |
Wolfgang Denk | ea009d4 | 2013-03-23 23:50:28 +0000 | [diff] [blame] | 992 | len = hexport_r(&env_htab, sep, |
| 993 | H_MATCH_KEY | H_MATCH_IDENT, |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 994 | &ptr, size, argc, argv); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 995 | if (len < 0) { |
Quentin Schulz | 6c90f62 | 2018-07-09 19:16:25 +0200 | [diff] [blame] | 996 | pr_err("## Error: Cannot export environment: errno = %d\n", |
| 997 | errno); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 998 | return 1; |
| 999 | } |
Andreas Bießmann | 8c3aff5 | 2011-02-09 15:10:29 +0100 | [diff] [blame] | 1000 | sprintf(buf, "%zX", (size_t)len); |
Simon Glass | 382bee5 | 2017-08-03 12:22:09 -0600 | [diff] [blame] | 1001 | env_set("filesize", buf); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1002 | |
| 1003 | return 0; |
| 1004 | } |
| 1005 | |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1006 | envp = (env_t *)ptr; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1007 | |
| 1008 | if (chk) /* export as checksum protected block */ |
| 1009 | res = (char *)envp->data; |
| 1010 | else /* export as raw binary data */ |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1011 | res = ptr; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1012 | |
Wolfgang Denk | ea009d4 | 2013-03-23 23:50:28 +0000 | [diff] [blame] | 1013 | len = hexport_r(&env_htab, '\0', |
| 1014 | H_MATCH_KEY | H_MATCH_IDENT, |
| 1015 | &res, ENV_SIZE, argc, argv); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1016 | if (len < 0) { |
Quentin Schulz | 6c90f62 | 2018-07-09 19:16:25 +0200 | [diff] [blame] | 1017 | pr_err("## Error: Cannot export environment: errno = %d\n", |
| 1018 | errno); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1019 | return 1; |
| 1020 | } |
| 1021 | |
| 1022 | if (chk) { |
Neil Stainton | d71b029 | 2018-09-12 11:02:51 +0000 | [diff] [blame] | 1023 | envp->crc = crc32(0, envp->data, |
| 1024 | size ? size - offsetof(env_t, data) : ENV_SIZE); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1025 | #ifdef CONFIG_ENV_ADDR_REDUND |
Simon Glass | d3716dd | 2019-08-01 09:47:08 -0600 | [diff] [blame] | 1026 | envp->flags = ENV_REDUND_ACTIVE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1027 | #endif |
| 1028 | } |
Simon Glass | 018f530 | 2017-08-03 12:22:10 -0600 | [diff] [blame] | 1029 | env_set_hex("filesize", len + offsetof(env_t, data)); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1030 | |
| 1031 | return 0; |
| 1032 | |
| 1033 | sep_err: |
Quentin Schulz | 6c90f62 | 2018-07-09 19:16:25 +0200 | [diff] [blame] | 1034 | printf("## Error: %s: only one of \"-b\", \"-c\" or \"-t\" allowed\n", |
| 1035 | cmd); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1036 | return 1; |
| 1037 | } |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1038 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1039 | |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1040 | #ifdef CONFIG_CMD_IMPORTENV |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1041 | /* |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1042 | * env import [-d] [-t [-r] | -b | -c] addr [size] [var ...] |
| 1043 | * -d: delete existing environment before importing if no var is |
| 1044 | * passed; if vars are passed, if one var is in the current |
| 1045 | * environment but not in the environment at addr, delete var from |
| 1046 | * current environment; |
Robert P. J. Day | fc0b594 | 2016-09-07 14:27:59 -0400 | [diff] [blame] | 1047 | * otherwise overwrite / append to existing definitions |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1048 | * -t: assume text format; either "size" must be given or the |
| 1049 | * text data must be '\0' terminated |
Alexander Holler | ecd1446 | 2014-07-14 17:49:55 +0200 | [diff] [blame] | 1050 | * -r: handle CRLF like LF, that means exported variables with |
| 1051 | * a content which ends with \r won't get imported. Used |
| 1052 | * to import text files created with editors which are using CRLF |
| 1053 | * for line endings. Only effective in addition to -t. |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1054 | * -b: assume binary format ('\0' separated, "\0\0" terminated) |
| 1055 | * -c: assume checksum protected environment format |
| 1056 | * addr: memory address to read from |
| 1057 | * size: length of input data; if missing, proper '\0' |
| 1058 | * termination is mandatory |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1059 | * if var is set and size should be missing (i.e. '\0' |
| 1060 | * termination), set size to '-' |
| 1061 | * var... List of the names of the only variables that get imported from |
| 1062 | * the environment at address 'addr'. Without arguments, the whole |
| 1063 | * environment gets imported. |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1064 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1065 | static int do_env_import(struct cmd_tbl *cmdtp, int flag, |
| 1066 | int argc, char *const argv[]) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1067 | { |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1068 | ulong addr; |
| 1069 | char *cmd, *ptr; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1070 | char sep = '\n'; |
| 1071 | int chk = 0; |
| 1072 | int fmt = 0; |
| 1073 | int del = 0; |
Alexander Holler | ecd1446 | 2014-07-14 17:49:55 +0200 | [diff] [blame] | 1074 | int crlf_is_lf = 0; |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1075 | int wl = 0; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1076 | size_t size; |
| 1077 | |
| 1078 | cmd = *argv; |
| 1079 | |
| 1080 | while (--argc > 0 && **++argv == '-') { |
| 1081 | char *arg = *argv; |
| 1082 | while (*++arg) { |
| 1083 | switch (*arg) { |
| 1084 | case 'b': /* raw binary format */ |
| 1085 | if (fmt++) |
| 1086 | goto sep_err; |
| 1087 | sep = '\0'; |
| 1088 | break; |
| 1089 | case 'c': /* external checksum format */ |
| 1090 | if (fmt++) |
| 1091 | goto sep_err; |
| 1092 | sep = '\0'; |
| 1093 | chk = 1; |
| 1094 | break; |
| 1095 | case 't': /* text format */ |
| 1096 | if (fmt++) |
| 1097 | goto sep_err; |
| 1098 | sep = '\n'; |
| 1099 | break; |
Alexander Holler | ecd1446 | 2014-07-14 17:49:55 +0200 | [diff] [blame] | 1100 | case 'r': /* handle CRLF like LF */ |
| 1101 | crlf_is_lf = 1; |
| 1102 | break; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1103 | case 'd': |
| 1104 | del = 1; |
| 1105 | break; |
| 1106 | default: |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 1107 | return CMD_RET_USAGE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | |
Macpaul Lin | f3c615b | 2011-04-26 16:16:45 +0000 | [diff] [blame] | 1112 | if (argc < 1) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 1113 | return CMD_RET_USAGE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1114 | |
| 1115 | if (!fmt) |
| 1116 | printf("## Warning: defaulting to text format\n"); |
| 1117 | |
Alexander Holler | ecd1446 | 2014-07-14 17:49:55 +0200 | [diff] [blame] | 1118 | if (sep != '\n' && crlf_is_lf ) |
| 1119 | crlf_is_lf = 0; |
| 1120 | |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1121 | addr = simple_strtoul(argv[0], NULL, 16); |
| 1122 | ptr = map_sysmem(addr, 0); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1123 | |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1124 | if (argc >= 2 && strcmp(argv[1], "-")) { |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1125 | size = simple_strtoul(argv[1], NULL, 16); |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1126 | } else if (chk) { |
Tom Rini | 3775dcd | 2014-03-04 15:52:35 -0500 | [diff] [blame] | 1127 | puts("## Error: external checksum format must pass size\n"); |
| 1128 | return CMD_RET_FAILURE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1129 | } else { |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1130 | char *s = ptr; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1131 | |
| 1132 | size = 0; |
| 1133 | |
| 1134 | while (size < MAX_ENV_SIZE) { |
| 1135 | if ((*s == sep) && (*(s+1) == '\0')) |
| 1136 | break; |
| 1137 | ++s; |
| 1138 | ++size; |
| 1139 | } |
| 1140 | if (size == MAX_ENV_SIZE) { |
| 1141 | printf("## Warning: Input data exceeds %d bytes" |
| 1142 | " - truncated\n", MAX_ENV_SIZE); |
| 1143 | } |
Horst Kronstorfer | d3f80c7 | 2011-12-16 23:33:10 +0000 | [diff] [blame] | 1144 | size += 2; |
Simon Glass | 79afc88 | 2011-11-04 06:42:36 +0000 | [diff] [blame] | 1145 | printf("## Info: input data size = %zu = 0x%zX\n", size, size); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1146 | } |
| 1147 | |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1148 | if (argc > 2) |
| 1149 | wl = 1; |
| 1150 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1151 | if (chk) { |
| 1152 | uint32_t crc; |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1153 | env_t *ep = (env_t *)ptr; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1154 | |
| 1155 | size -= offsetof(env_t, data); |
| 1156 | memcpy(&crc, &ep->crc, sizeof(crc)); |
| 1157 | |
| 1158 | if (crc32(0, ep->data, size) != crc) { |
| 1159 | puts("## Error: bad CRC, import failed\n"); |
| 1160 | return 1; |
| 1161 | } |
Simon Glass | fd37dac | 2013-10-25 23:01:31 -0600 | [diff] [blame] | 1162 | ptr = (char *)ep->data; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1163 | } |
| 1164 | |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1165 | if (!himport_r(&env_htab, ptr, size, sep, del ? 0 : H_NOCLEAR, |
| 1166 | crlf_is_lf, wl ? argc - 2 : 0, wl ? &argv[2] : NULL)) { |
Quentin Schulz | 6c90f62 | 2018-07-09 19:16:25 +0200 | [diff] [blame] | 1167 | pr_err("## Error: Environment import failed: errno = %d\n", |
| 1168 | errno); |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1169 | return 1; |
| 1170 | } |
| 1171 | gd->flags |= GD_FLG_ENV_READY; |
| 1172 | |
| 1173 | return 0; |
| 1174 | |
| 1175 | sep_err: |
| 1176 | printf("## %s: only one of \"-b\", \"-c\" or \"-t\" allowed\n", |
| 1177 | cmd); |
| 1178 | return 1; |
| 1179 | } |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1180 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1181 | |
Leo Ruan | 8e92120 | 2019-05-24 17:20:19 +0200 | [diff] [blame] | 1182 | #if defined(CONFIG_CMD_NVEDIT_INFO) |
| 1183 | /* |
| 1184 | * print_env_info - print environment information |
| 1185 | */ |
| 1186 | static int print_env_info(void) |
| 1187 | { |
| 1188 | const char *value; |
| 1189 | |
| 1190 | /* print environment validity value */ |
| 1191 | switch (gd->env_valid) { |
| 1192 | case ENV_INVALID: |
| 1193 | value = "invalid"; |
| 1194 | break; |
| 1195 | case ENV_VALID: |
| 1196 | value = "valid"; |
| 1197 | break; |
| 1198 | case ENV_REDUND: |
| 1199 | value = "redundant"; |
| 1200 | break; |
| 1201 | default: |
| 1202 | value = "unknown"; |
| 1203 | break; |
| 1204 | } |
| 1205 | printf("env_valid = %s\n", value); |
| 1206 | |
| 1207 | /* print environment ready flag */ |
| 1208 | value = gd->flags & GD_FLG_ENV_READY ? "true" : "false"; |
| 1209 | printf("env_ready = %s\n", value); |
| 1210 | |
| 1211 | /* print environment using default flag */ |
| 1212 | value = gd->flags & GD_FLG_ENV_DEFAULT ? "true" : "false"; |
| 1213 | printf("env_use_default = %s\n", value); |
| 1214 | |
| 1215 | return CMD_RET_SUCCESS; |
| 1216 | } |
| 1217 | |
| 1218 | #define ENV_INFO_IS_DEFAULT BIT(0) /* default environment bit mask */ |
| 1219 | #define ENV_INFO_IS_PERSISTED BIT(1) /* environment persistence bit mask */ |
| 1220 | |
| 1221 | /* |
| 1222 | * env info - display environment information |
| 1223 | * env info [-d] - evaluate whether default environment is used |
| 1224 | * env info [-p] - evaluate whether environment can be persisted |
| 1225 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1226 | static int do_env_info(struct cmd_tbl *cmdtp, int flag, |
| 1227 | int argc, char *const argv[]) |
Leo Ruan | 8e92120 | 2019-05-24 17:20:19 +0200 | [diff] [blame] | 1228 | { |
| 1229 | int eval_flags = 0; |
| 1230 | int eval_results = 0; |
| 1231 | |
| 1232 | /* display environment information */ |
| 1233 | if (argc <= 1) |
| 1234 | return print_env_info(); |
| 1235 | |
| 1236 | /* process options */ |
| 1237 | while (--argc > 0 && **++argv == '-') { |
| 1238 | char *arg = *argv; |
| 1239 | |
| 1240 | while (*++arg) { |
| 1241 | switch (*arg) { |
| 1242 | case 'd': |
| 1243 | eval_flags |= ENV_INFO_IS_DEFAULT; |
| 1244 | break; |
| 1245 | case 'p': |
| 1246 | eval_flags |= ENV_INFO_IS_PERSISTED; |
| 1247 | break; |
| 1248 | default: |
| 1249 | return CMD_RET_USAGE; |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | |
| 1254 | /* evaluate whether default environment is used */ |
| 1255 | if (eval_flags & ENV_INFO_IS_DEFAULT) { |
| 1256 | if (gd->flags & GD_FLG_ENV_DEFAULT) { |
| 1257 | printf("Default environment is used\n"); |
| 1258 | eval_results |= ENV_INFO_IS_DEFAULT; |
| 1259 | } else { |
| 1260 | printf("Environment was loaded from persistent storage\n"); |
| 1261 | } |
| 1262 | } |
| 1263 | |
| 1264 | /* evaluate whether environment can be persisted */ |
| 1265 | if (eval_flags & ENV_INFO_IS_PERSISTED) { |
| 1266 | #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE) |
| 1267 | printf("Environment can be persisted\n"); |
| 1268 | eval_results |= ENV_INFO_IS_PERSISTED; |
| 1269 | #else |
| 1270 | printf("Environment cannot be persisted\n"); |
| 1271 | #endif |
| 1272 | } |
| 1273 | |
| 1274 | /* The result of evaluations is combined with AND */ |
| 1275 | if (eval_flags != eval_results) |
| 1276 | return CMD_RET_FAILURE; |
| 1277 | |
| 1278 | return CMD_RET_SUCCESS; |
| 1279 | } |
| 1280 | #endif |
| 1281 | |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1282 | #if defined(CONFIG_CMD_ENV_EXISTS) |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1283 | static int do_env_exists(struct cmd_tbl *cmdtp, int flag, int argc, |
| 1284 | char *const argv[]) |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1285 | { |
Simon Glass | dd2408c | 2019-08-02 09:44:18 -0600 | [diff] [blame] | 1286 | struct env_entry e, *ep; |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1287 | |
| 1288 | if (argc < 2) |
| 1289 | return CMD_RET_USAGE; |
| 1290 | |
| 1291 | e.key = argv[1]; |
| 1292 | e.data = NULL; |
Simon Glass | 3f0d680 | 2019-08-01 09:47:09 -0600 | [diff] [blame] | 1293 | hsearch_r(e, ENV_FIND, &ep, &env_htab, 0); |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1294 | |
| 1295 | return (ep == NULL) ? 1 : 0; |
| 1296 | } |
| 1297 | #endif |
| 1298 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1299 | /* |
| 1300 | * New command line interface: "env" command with subcommands |
| 1301 | */ |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1302 | static struct cmd_tbl cmd_env_sub[] = { |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1303 | #if defined(CONFIG_CMD_ASKENV) |
| 1304 | U_BOOT_CMD_MKENT(ask, CONFIG_SYS_MAXARGS, 1, do_env_ask, "", ""), |
| 1305 | #endif |
| 1306 | U_BOOT_CMD_MKENT(default, 1, 0, do_env_default, "", ""), |
Joe Hershberger | 9d8d661 | 2012-12-11 22:16:36 -0600 | [diff] [blame] | 1307 | U_BOOT_CMD_MKENT(delete, CONFIG_SYS_MAXARGS, 0, do_env_delete, "", ""), |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1308 | #if defined(CONFIG_CMD_EDITENV) |
| 1309 | U_BOOT_CMD_MKENT(edit, 2, 0, do_env_edit, "", ""), |
| 1310 | #endif |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 1311 | #if defined(CONFIG_CMD_ENV_CALLBACK) |
| 1312 | U_BOOT_CMD_MKENT(callbacks, 1, 0, do_env_callback, "", ""), |
| 1313 | #endif |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 1314 | #if defined(CONFIG_CMD_ENV_FLAGS) |
| 1315 | U_BOOT_CMD_MKENT(flags, 1, 0, do_env_flags, "", ""), |
| 1316 | #endif |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1317 | #if defined(CONFIG_CMD_EXPORTENV) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1318 | U_BOOT_CMD_MKENT(export, 4, 0, do_env_export, "", ""), |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1319 | #endif |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 1320 | #if defined(CONFIG_CMD_GREPENV) |
| 1321 | U_BOOT_CMD_MKENT(grep, CONFIG_SYS_MAXARGS, 1, do_env_grep, "", ""), |
| 1322 | #endif |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1323 | #if defined(CONFIG_CMD_IMPORTENV) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1324 | U_BOOT_CMD_MKENT(import, 5, 0, do_env_import, "", ""), |
Mike Frysinger | 0c79cda | 2010-12-26 23:09:45 -0500 | [diff] [blame] | 1325 | #endif |
Leo Ruan | 8e92120 | 2019-05-24 17:20:19 +0200 | [diff] [blame] | 1326 | #if defined(CONFIG_CMD_NVEDIT_INFO) |
| 1327 | U_BOOT_CMD_MKENT(info, 2, 0, do_env_info, "", ""), |
| 1328 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1329 | U_BOOT_CMD_MKENT(print, CONFIG_SYS_MAXARGS, 1, do_env_print, "", ""), |
| 1330 | #if defined(CONFIG_CMD_RUN) |
| 1331 | U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""), |
| 1332 | #endif |
Patrick Delaunay | 2643c85 | 2019-02-18 10:58:16 +0100 | [diff] [blame] | 1333 | #if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1334 | U_BOOT_CMD_MKENT(save, 1, 0, do_env_save, "", ""), |
Frank Wunderlich | cd121bd | 2019-06-29 11:36:19 +0200 | [diff] [blame] | 1335 | #if defined(CONFIG_CMD_ERASEENV) |
| 1336 | U_BOOT_CMD_MKENT(erase, 1, 0, do_env_erase, "", ""), |
| 1337 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1338 | #endif |
| 1339 | U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 0, do_env_set, "", ""), |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1340 | #if defined(CONFIG_CMD_ENV_EXISTS) |
| 1341 | U_BOOT_CMD_MKENT(exists, 2, 0, do_env_exists, "", ""), |
| 1342 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1343 | }; |
| 1344 | |
Wolfgang Denk | 2e5167c | 2010-10-28 20:00:11 +0200 | [diff] [blame] | 1345 | #if defined(CONFIG_NEEDS_MANUAL_RELOC) |
Heiko Schocher | 60f7da1 | 2010-10-05 14:17:00 +0200 | [diff] [blame] | 1346 | void env_reloc(void) |
| 1347 | { |
| 1348 | fixup_cmdtable(cmd_env_sub, ARRAY_SIZE(cmd_env_sub)); |
| 1349 | } |
| 1350 | #endif |
| 1351 | |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1352 | static int do_env(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1353 | { |
Simon Glass | 0914011 | 2020-05-10 11:40:03 -0600 | [diff] [blame^] | 1354 | struct cmd_tbl *cp; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1355 | |
Thomas Weber | 5904da0 | 2010-11-24 13:07:52 +0100 | [diff] [blame] | 1356 | if (argc < 2) |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 1357 | return CMD_RET_USAGE; |
Thomas Weber | 5904da0 | 2010-11-24 13:07:52 +0100 | [diff] [blame] | 1358 | |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1359 | /* drop initial "env" arg */ |
| 1360 | argc--; |
| 1361 | argv++; |
| 1362 | |
| 1363 | cp = find_cmd_tbl(argv[0], cmd_env_sub, ARRAY_SIZE(cmd_env_sub)); |
| 1364 | |
| 1365 | if (cp) |
| 1366 | return cp->cmd(cmdtp, flag, argc, argv); |
| 1367 | |
Simon Glass | 4c12eeb | 2011-12-10 08:44:01 +0000 | [diff] [blame] | 1368 | return CMD_RET_USAGE; |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1369 | } |
| 1370 | |
Kim Phillips | 088f1b1 | 2012-10-29 13:34:31 +0000 | [diff] [blame] | 1371 | #ifdef CONFIG_SYS_LONGHELP |
| 1372 | static char env_help_text[] = |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1373 | #if defined(CONFIG_CMD_ASKENV) |
| 1374 | "ask name [message] [size] - ask for environment variable\nenv " |
| 1375 | #endif |
Joe Hershberger | 5e2b3e0 | 2012-12-11 22:16:25 -0600 | [diff] [blame] | 1376 | #if defined(CONFIG_CMD_ENV_CALLBACK) |
| 1377 | "callbacks - print callbacks and their associated variables\nenv " |
| 1378 | #endif |
Gerlando Falauto | b64b7c3 | 2012-08-24 00:11:41 +0000 | [diff] [blame] | 1379 | "default [-f] -a - [forcibly] reset default environment\n" |
| 1380 | "env default [-f] var [...] - [forcibly] reset variable(s) to their default values\n" |
Joe Hershberger | 9d8d661 | 2012-12-11 22:16:36 -0600 | [diff] [blame] | 1381 | "env delete [-f] var [...] - [forcibly] delete variable(s)\n" |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1382 | #if defined(CONFIG_CMD_EDITENV) |
| 1383 | "env edit name - edit environment variable\n" |
| 1384 | #endif |
Andrew Ruder | 88733e2 | 2013-10-22 19:07:34 -0500 | [diff] [blame] | 1385 | #if defined(CONFIG_CMD_ENV_EXISTS) |
| 1386 | "env exists name - tests for existence of variable\n" |
| 1387 | #endif |
Benoît Thébaudeau | 4796bc4 | 2012-08-10 07:45:44 +0000 | [diff] [blame] | 1388 | #if defined(CONFIG_CMD_EXPORTENV) |
Wolfgang Denk | 37f2fe7 | 2011-11-06 22:49:44 +0100 | [diff] [blame] | 1389 | "env export [-t | -b | -c] [-s size] addr [var ...] - export environment\n" |
Benoît Thébaudeau | 4796bc4 | 2012-08-10 07:45:44 +0000 | [diff] [blame] | 1390 | #endif |
Joe Hershberger | fffad71 | 2012-12-11 22:16:33 -0600 | [diff] [blame] | 1391 | #if defined(CONFIG_CMD_ENV_FLAGS) |
| 1392 | "env flags - print variables that have non-default flags\n" |
| 1393 | #endif |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 1394 | #if defined(CONFIG_CMD_GREPENV) |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 1395 | #ifdef CONFIG_REGEX |
| 1396 | "env grep [-e] [-n | -v | -b] string [...] - search environment\n" |
| 1397 | #else |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 1398 | "env grep [-n | -v | -b] string [...] - search environment\n" |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 1399 | #endif |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 1400 | #endif |
Benoît Thébaudeau | 4796bc4 | 2012-08-10 07:45:44 +0000 | [diff] [blame] | 1401 | #if defined(CONFIG_CMD_IMPORTENV) |
Quentin Schulz | eaf7347 | 2018-07-09 19:16:29 +0200 | [diff] [blame] | 1402 | "env import [-d] [-t [-r] | -b | -c] addr [size] [var ...] - import environment\n" |
Benoît Thébaudeau | 4796bc4 | 2012-08-10 07:45:44 +0000 | [diff] [blame] | 1403 | #endif |
Leo Ruan | 8e92120 | 2019-05-24 17:20:19 +0200 | [diff] [blame] | 1404 | #if defined(CONFIG_CMD_NVEDIT_INFO) |
| 1405 | "env info - display environment information\n" |
| 1406 | "env info [-d] - whether default environment is used\n" |
| 1407 | "env info [-p] - whether environment can be persisted\n" |
| 1408 | #endif |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 1409 | "env print [-a | name ...] - print environment\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1410 | #if defined(CONFIG_CMD_NVEDIT_EFI) |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1411 | "env print -e [-guid guid|-all][-n] [name ...] - print UEFI environment\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1412 | #endif |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1413 | #if defined(CONFIG_CMD_RUN) |
| 1414 | "env run var [...] - run commands in an environment variable\n" |
| 1415 | #endif |
Patrick Delaunay | 2643c85 | 2019-02-18 10:58:16 +0100 | [diff] [blame] | 1416 | #if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE) |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1417 | "env save - save environment\n" |
Frank Wunderlich | cd121bd | 2019-06-29 11:36:19 +0200 | [diff] [blame] | 1418 | #if defined(CONFIG_CMD_ERASEENV) |
| 1419 | "env erase - erase environment\n" |
| 1420 | #endif |
Horst Kronstorfer | d798a9b | 2011-12-10 02:25:19 +0000 | [diff] [blame] | 1421 | #endif |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1422 | #if defined(CONFIG_CMD_NVEDIT_EFI) |
AKASHI Takahiro | e50e287 | 2020-04-14 11:51:47 +0900 | [diff] [blame] | 1423 | "env set -e [-nv][-bs][-rt][-at][-a][-i addr,size][-v] name [arg ...]\n" |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1424 | " - set UEFI variable; unset if '-i' or 'arg' not specified\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1425 | #endif |
Kim Phillips | 088f1b1 | 2012-10-29 13:34:31 +0000 | [diff] [blame] | 1426 | "env set [-f] name [arg ...]\n"; |
| 1427 | #endif |
| 1428 | |
| 1429 | U_BOOT_CMD( |
| 1430 | env, CONFIG_SYS_MAXARGS, 1, do_env, |
| 1431 | "environment handling commands", env_help_text |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1432 | ); |
| 1433 | |
| 1434 | /* |
| 1435 | * Old command line interface, kept for compatibility |
| 1436 | */ |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1437 | |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 1438 | #if defined(CONFIG_CMD_EDITENV) |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1439 | U_BOOT_CMD_COMPLETE( |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1440 | editenv, 2, 0, do_env_edit, |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 1441 | "edit environment variable", |
| 1442 | "name\n" |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1443 | " - edit environment variable 'name'", |
| 1444 | var_complete |
Peter Tyser | 246c692 | 2009-10-25 15:12:56 -0500 | [diff] [blame] | 1445 | ); |
| 1446 | #endif |
| 1447 | |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1448 | U_BOOT_CMD_COMPLETE( |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1449 | printenv, CONFIG_SYS_MAXARGS, 1, do_env_print, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 1450 | "print environment variables", |
Joe Hershberger | be11235 | 2012-12-11 22:16:23 -0600 | [diff] [blame] | 1451 | "[-a]\n - print [all] values of all environment variables\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1452 | #if defined(CONFIG_CMD_NVEDIT_EFI) |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1453 | "printenv -e [-guid guid|-all][-n] [name ...]\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1454 | " - print UEFI variable 'name' or all the variables\n" |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1455 | " \"-n\": suppress dumping variable's value\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1456 | #endif |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1457 | "printenv name ...\n" |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1458 | " - print value of environment variable 'name'", |
| 1459 | var_complete |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1460 | ); |
| 1461 | |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 1462 | #ifdef CONFIG_CMD_GREPENV |
| 1463 | U_BOOT_CMD_COMPLETE( |
| 1464 | grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep, |
| 1465 | "search environment variables", |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 1466 | #ifdef CONFIG_REGEX |
| 1467 | "[-e] [-n | -v | -b] string ...\n" |
| 1468 | #else |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 1469 | "[-n | -v | -b] string ...\n" |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 1470 | #endif |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 1471 | " - list environment name=value pairs matching 'string'\n" |
Wolfgang Denk | be29df6 | 2013-03-23 23:50:32 +0000 | [diff] [blame] | 1472 | #ifdef CONFIG_REGEX |
| 1473 | " \"-e\": enable regular expressions;\n" |
| 1474 | #endif |
Wolfgang Denk | d87244d | 2013-03-23 23:50:30 +0000 | [diff] [blame] | 1475 | " \"-n\": search variable names; \"-v\": search values;\n" |
| 1476 | " \"-b\": search both names and values (default)", |
Kim Phillips | a000b79 | 2011-04-05 07:15:14 +0000 | [diff] [blame] | 1477 | var_complete |
| 1478 | ); |
| 1479 | #endif |
| 1480 | |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1481 | U_BOOT_CMD_COMPLETE( |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1482 | setenv, CONFIG_SYS_MAXARGS, 0, do_env_set, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 1483 | "set environment variables", |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1484 | #if defined(CONFIG_CMD_NVEDIT_EFI) |
AKASHI Takahiro | e50e287 | 2020-04-14 11:51:47 +0900 | [diff] [blame] | 1485 | "-e [-guid guid][-nv][-bs][-rt][-at][-a][-v]\n" |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1486 | " [-i addr,size name], or [name [value ...]]\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1487 | " - set UEFI variable 'name' to 'value' ...'\n" |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1488 | " \"-guid\": set vendor guid\n" |
| 1489 | " \"-nv\": set non-volatile attribute\n" |
| 1490 | " \"-bs\": set boot-service attribute\n" |
| 1491 | " \"-rt\": set runtime attribute\n" |
AKASHI Takahiro | e50e287 | 2020-04-14 11:51:47 +0900 | [diff] [blame] | 1492 | " \"-at\": set time-based authentication attribute\n" |
AKASHI Takahiro | 051aa89 | 2019-10-24 15:17:13 +0900 | [diff] [blame] | 1493 | " \"-a\": append-write\n" |
| 1494 | " \"-i addr,size\": use <addr,size> as variable's value\n" |
| 1495 | " \"-v\": verbose message\n" |
AKASHI Takahiro | 49d81fd | 2019-02-25 15:54:36 +0900 | [diff] [blame] | 1496 | " - delete UEFI variable 'name' if 'value' not specified\n" |
| 1497 | #endif |
| 1498 | "setenv [-f] name value ...\n" |
Joe Hershberger | 24ab5a1 | 2012-12-11 22:16:35 -0600 | [diff] [blame] | 1499 | " - [forcibly] set environment variable 'name' to 'value ...'\n" |
| 1500 | "setenv [-f] name\n" |
| 1501 | " - [forcibly] delete environment variable 'name'", |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1502 | var_complete |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1503 | ); |
| 1504 | |
Jon Loeliger | c76fe47 | 2007-07-08 18:02:23 -0500 | [diff] [blame] | 1505 | #if defined(CONFIG_CMD_ASKENV) |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1506 | |
wdenk | 0d49839 | 2003-07-01 21:06:45 +0000 | [diff] [blame] | 1507 | U_BOOT_CMD( |
Wolfgang Denk | ea882ba | 2010-06-20 23:33:59 +0200 | [diff] [blame] | 1508 | askenv, CONFIG_SYS_MAXARGS, 1, do_env_ask, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 1509 | "get environment variables from stdin", |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1510 | "name [message] [size]\n" |
Wolfgang Denk | 7d85591 | 2013-02-20 04:53:16 +0000 | [diff] [blame] | 1511 | " - get environment variable 'name' from stdin (max 'size' chars)" |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1512 | ); |
Jon Loeliger | 9025317 | 2007-07-10 11:02:44 -0500 | [diff] [blame] | 1513 | #endif |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1514 | |
Jon Loeliger | c76fe47 | 2007-07-08 18:02:23 -0500 | [diff] [blame] | 1515 | #if defined(CONFIG_CMD_RUN) |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1516 | U_BOOT_CMD_COMPLETE( |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 1517 | run, CONFIG_SYS_MAXARGS, 1, do_run, |
Peter Tyser | 2fb2604 | 2009-01-27 18:03:12 -0600 | [diff] [blame] | 1518 | "run commands in an environment variable", |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1519 | "var [...]\n" |
Mike Frysinger | 722b061 | 2010-10-20 03:52:39 -0400 | [diff] [blame] | 1520 | " - run the commands in the environment variable(s) 'var'", |
| 1521 | var_complete |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 1522 | ); |
Jon Loeliger | 9025317 | 2007-07-10 11:02:44 -0500 | [diff] [blame] | 1523 | #endif |
Ilya Yanok | 7ac2fe2 | 2012-09-18 00:22:50 +0000 | [diff] [blame] | 1524 | #endif /* CONFIG_SPL_BUILD */ |