/*
- * (C) Copyright 2000-2010
+ * (C) Copyright 2000-2013
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
*
* Copyright 2011 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
+#include <cli.h>
#include <command.h>
#include <environment.h>
#include <search.h>
#include <errno.h>
#include <malloc.h>
+#include <mapmem.h>
#include <watchdog.h>
#include <linux/stddef.h>
#include <asm/byteorder.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
!defined(CONFIG_ENV_IS_IN_ONENAND) && \
!defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \
!defined(CONFIG_ENV_IS_IN_REMOTE) && \
+ !defined(CONFIG_ENV_IS_IN_UBI) && \
!defined(CONFIG_ENV_IS_NOWHERE)
# error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\
-SPI_FLASH|NVRAM|MMC|FAT|REMOTE} or CONFIG_ENV_IS_NOWHERE
+SPI_FLASH|NVRAM|MMC|FAT|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE
#endif
/*
static int env_print(char *name, int flag)
{
char *res = NULL;
- size_t len;
+ ssize_t len;
if (name) { /* print a single name */
ENTRY e, *ep;
}
/* should never happen */
+ printf("## Error: cannot export environment\n");
return 0;
}
static int do_env_grep(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
- ENTRY *match;
- unsigned char matched[env_htab.size / 8];
- int rcode = 1, arg = 1, idx;
+ char *res = NULL;
+ int len, grep_how, grep_what;
if (argc < 2)
return CMD_RET_USAGE;
- memset(matched, 0, env_htab.size / 8);
+ grep_how = H_MATCH_SUBSTR; /* default: substring search */
+ grep_what = H_MATCH_BOTH; /* default: grep names and values */
- while (arg <= argc) {
- idx = 0;
- while ((idx = hstrstr_r(argv[arg], idx, &match, &env_htab))) {
- if (!(matched[idx / 8] & (1 << (idx & 7)))) {
- puts(match->key);
- puts("=");
- puts(match->data);
- puts("\n");
+ while (--argc > 0 && **++argv == '-') {
+ char *arg = *argv;
+ while (*++arg) {
+ switch (*arg) {
+#ifdef CONFIG_REGEX
+ case 'e': /* use regex matching */
+ grep_how = H_MATCH_REGEX;
+ break;
+#endif
+ case 'n': /* grep for name */
+ grep_what = H_MATCH_KEY;
+ break;
+ case 'v': /* grep for value */
+ grep_what = H_MATCH_DATA;
+ break;
+ case 'b': /* grep for both */
+ grep_what = H_MATCH_BOTH;
+ break;
+ case '-':
+ goto DONE;
+ default:
+ return CMD_RET_USAGE;
}
- matched[idx / 8] |= 1 << (idx & 7);
- rcode = 0;
}
- arg++;
}
- return rcode;
+DONE:
+ len = hexport_r(&env_htab, '\n',
+ flag | grep_what | grep_how,
+ &res, 0, argc, argv);
+
+ if (len > 0) {
+ puts(res);
+ free(res);
+ }
+
+ if (len < 2)
+ return 1;
+
+ return 0;
}
#endif
#endif /* CONFIG_SPL_BUILD */
* Set a new environment variable,
* or replace or delete an existing one.
*/
-static int _do_env_set(int flag, int argc, char * const argv[])
+static int _do_env_set(int flag, int argc, char * const argv[], int env_flag)
{
int i, len;
char *name, *value, *s;
ENTRY e, *ep;
- int env_flag = H_INTERACTIVE;
debug("Initial value for argc=%d\n", argc);
while (argc > 1 && **(argv + 1) == '-') {
{
const char * const argv[4] = { "setenv", varname, varvalue, NULL };
+ /* before import into hashtable */
+ if (!(gd->flags & GD_FLG_ENV_READY))
+ return 1;
+
if (varvalue == NULL || varvalue[0] == '\0')
- return _do_env_set(0, 2, (char * const *)argv);
+ return _do_env_set(0, 2, (char * const *)argv, H_PROGRAMMATIC);
else
- return _do_env_set(0, 3, (char * const *)argv);
+ return _do_env_set(0, 3, (char * const *)argv, H_PROGRAMMATIC);
}
/**
* Set an environment variable to an integer value
*
- * @param varname Environmet variable to set
+ * @param varname Environment variable to set
* @param value Value to set it to
* @return 0 if ok, 1 on error
*/
/**
* Set an environment variable to an value in hex
*
- * @param varname Environmet variable to set
+ * @param varname Environment variable to set
* @param value Value to set it to
* @return 0 if ok, 1 on error
*/
return setenv(varname, str);
}
+ulong getenv_hex(const char *varname, ulong default_val)
+{
+ const char *s;
+ ulong value;
+ char *endp;
+
+ s = getenv(varname);
+ if (s)
+ value = simple_strtoul(s, &endp, 16);
+ if (!s || endp == s)
+ return default_val;
+
+ return value;
+}
+
#ifndef CONFIG_SPL_BUILD
static int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
return CMD_RET_USAGE;
- return _do_env_set(flag, argc, argv);
+ return _do_env_set(flag, argc, argv, H_INTERACTIVE);
}
/*
int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
char message[CONFIG_SYS_CBSIZE];
- int size = CONFIG_SYS_CBSIZE - 1;
- int i, len, pos;
+ int i, len, pos, size;
char *local_args[4];
+ char *endptr;
local_args[0] = argv[0];
local_args[1] = argv[1];
local_args[2] = NULL;
local_args[3] = NULL;
- /* Check the syntax */
- switch (argc) {
- case 1:
+ /*
+ * Check the syntax:
+ *
+ * env_ask envname [message1 ...] [size]
+ */
+ if (argc == 1)
return CMD_RET_USAGE;
- case 2: /* env_ask envname */
- sprintf(message, "Please enter '%s':", argv[1]);
- break;
-
- case 3: /* env_ask envname size */
- sprintf(message, "Please enter '%s':", argv[1]);
- size = simple_strtoul(argv[2], NULL, 10);
- break;
+ /*
+ * We test the last argument if it can be converted
+ * into a decimal number. If yes, we assume it's
+ * the size. Otherwise we echo it as part of the
+ * message.
+ */
+ i = simple_strtoul(argv[argc - 1], &endptr, 10);
+ if (*endptr != '\0') { /* no size */
+ size = CONFIG_SYS_CBSIZE - 1;
+ } else { /* size given */
+ size = i;
+ --argc;
+ }
- default: /* env_ask envname message1 ... messagen size */
- for (i = 2, pos = 0; i < argc - 1; i++) {
+ if (argc <= 2) {
+ sprintf(message, "Please enter '%s': ", argv[1]);
+ } else {
+ /* env_ask envname message1 ... messagen [size] */
+ for (i = 2, pos = 0; i < argc; i++) {
if (pos)
message[pos++] = ' ';
strcpy(message + pos, argv[i]);
pos += strlen(argv[i]);
}
-
+ message[pos++] = ' ';
message[pos] = '\0';
- size = simple_strtoul(argv[argc - 1], NULL, 10);
- break;
}
if (size >= CONFIG_SYS_CBSIZE)
return 1;
/* prompt for input */
- len = readline(message);
+ len = cli_readline(message);
if (size < len)
console_buffer[size] = '\0';
}
/* Continue calling setenv code */
- return _do_env_set(flag, len, local_args);
+ return _do_env_set(flag, len, local_args, H_INTERACTIVE);
}
#endif
#if defined(CONFIG_CMD_ENV_CALLBACK)
-static int print_static_binding(const char *var_name, const char *callback_name)
+static int print_static_binding(const char *var_name, const char *callback_name,
+ void *priv)
{
printf("\t%-20s %-20s\n", var_name, callback_name);
puts("Static callback bindings:\n");
printf("\t%-20s %-20s\n", "Variable Name", "Callback Name");
printf("\t%-20s %-20s\n", "-------------", "-------------");
- env_attr_walk(ENV_CALLBACK_LIST_STATIC, print_static_binding);
+ env_attr_walk(ENV_CALLBACK_LIST_STATIC, print_static_binding, NULL);
puts("\n");
/* walk through each variable and print the callback if it has one */
#endif
#if defined(CONFIG_CMD_ENV_FLAGS)
-static int print_static_flags(const char *var_name, const char *flags)
+static int print_static_flags(const char *var_name, const char *flags,
+ void *priv)
{
enum env_flags_vartype type = env_flags_parse_vartype(flags);
enum env_flags_varaccess access = env_flags_parse_varaccess(flags);
"Variable Access");
printf("\t%-20s %-20s %-20s\n", "-------------", "-------------",
"---------------");
- env_attr_walk(ENV_FLAGS_LIST_STATIC, print_static_flags);
+ env_attr_walk(ENV_FLAGS_LIST_STATIC, print_static_flags, NULL);
puts("\n");
/* walk through each variable and print the flags if non-default */
if (argc < 2)
return CMD_RET_USAGE;
+ /* before import into hashtable */
+ if (!(gd->flags & GD_FLG_ENV_READY))
+ return 1;
+
/* Set read buffer to initial value or empty sting */
init_val = getenv(argv[1]);
if (init_val)
else
buffer[0] = '\0';
- readline_into_buffer("edit: ", buffer, 0);
+ if (cli_readline_into_buffer("edit: ", buffer, 0) < 0)
+ return 1;
+
+ if (buffer[0] == '\0') {
+ const char * const _argv[3] = { "setenv", argv[1], NULL };
+
+ return _do_env_set(0, 2, (char * const *)_argv, H_INTERACTIVE);
+ } else {
+ const char * const _argv[4] = { "setenv", argv[1], buffer,
+ NULL };
- return setenv(argv[1], buffer);
+ return _do_env_set(0, 3, (char * const *)_argv, H_INTERACTIVE);
+ }
}
#endif /* CONFIG_CMD_EDITENV */
#endif /* CONFIG_SPL_BUILD */
int argc, char * const argv[])
{
char buf[32];
- char *addr, *cmd, *res;
+ ulong addr;
+ char *ptr, *cmd, *res;
size_t size = 0;
ssize_t len;
env_t *envp;
if (argc < 1)
return CMD_RET_USAGE;
- addr = (char *)simple_strtoul(argv[0], NULL, 16);
+ addr = simple_strtoul(argv[0], NULL, 16);
+ ptr = map_sysmem(addr, size);
if (size)
- memset(addr, '\0', size);
+ memset(ptr, '\0', size);
argc--;
argv++;
if (sep) { /* export as text file */
- len = hexport_r(&env_htab, sep, 0, &addr, size, argc, argv);
+ len = hexport_r(&env_htab, sep,
+ H_MATCH_KEY | H_MATCH_IDENT,
+ &ptr, size, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
return 0;
}
- envp = (env_t *)addr;
+ envp = (env_t *)ptr;
if (chk) /* export as checksum protected block */
res = (char *)envp->data;
else /* export as raw binary data */
- res = addr;
+ res = ptr;
- len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, argc, argv);
+ len = hexport_r(&env_htab, '\0',
+ H_MATCH_KEY | H_MATCH_IDENT,
+ &res, ENV_SIZE, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
envp->flags = ACTIVE_FLAG;
#endif
}
- sprintf(buf, "%zX", (size_t)(len + offsetof(env_t, data)));
- setenv("filesize", buf);
+ setenv_hex("filesize", len + offsetof(env_t, data));
return 0;
#ifdef CONFIG_CMD_IMPORTENV
/*
- * env import [-d] [-t | -b | -c] addr [size]
+ * env import [-d] [-t [-r] | -b | -c] addr [size]
* -d: delete existing environment before importing;
* otherwise overwrite / append to existion definitions
* -t: assume text format; either "size" must be given or the
* text data must be '\0' terminated
+ * -r: handle CRLF like LF, that means exported variables with
+ * a content which ends with \r won't get imported. Used
+ * to import text files created with editors which are using CRLF
+ * for line endings. Only effective in addition to -t.
* -b: assume binary format ('\0' separated, "\0\0" terminated)
* -c: assume checksum protected environment format
* addr: memory address to read from
static int do_env_import(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
- char *cmd, *addr;
+ ulong addr;
+ char *cmd, *ptr;
char sep = '\n';
int chk = 0;
int fmt = 0;
int del = 0;
+ int crlf_is_lf = 0;
size_t size;
cmd = *argv;
goto sep_err;
sep = '\n';
break;
+ case 'r': /* handle CRLF like LF */
+ crlf_is_lf = 1;
+ break;
case 'd':
del = 1;
break;
if (!fmt)
printf("## Warning: defaulting to text format\n");
- addr = (char *)simple_strtoul(argv[0], NULL, 16);
+ if (sep != '\n' && crlf_is_lf )
+ crlf_is_lf = 0;
+
+ addr = simple_strtoul(argv[0], NULL, 16);
+ ptr = map_sysmem(addr, 0);
if (argc == 2) {
size = simple_strtoul(argv[1], NULL, 16);
+ } else if (argc == 1 && chk) {
+ puts("## Error: external checksum format must pass size\n");
+ return CMD_RET_FAILURE;
} else {
- char *s = addr;
+ char *s = ptr;
size = 0;
if (chk) {
uint32_t crc;
- env_t *ep = (env_t *)addr;
+ env_t *ep = (env_t *)ptr;
size -= offsetof(env_t, data);
memcpy(&crc, &ep->crc, sizeof(crc));
puts("## Error: bad CRC, import failed\n");
return 1;
}
- addr = (char *)ep->data;
+ ptr = (char *)ep->data;
}
- if (himport_r(&env_htab, addr, size, sep, del ? 0 : H_NOCLEAR,
- 0, NULL) == 0) {
+ if (himport_r(&env_htab, ptr, size, sep, del ? 0 : H_NOCLEAR,
+ crlf_is_lf, 0, NULL) == 0) {
error("Environment import failed: errno = %d\n", errno);
return 1;
}
}
#endif
+#if defined(CONFIG_CMD_ENV_EXISTS)
+static int do_env_exists(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ ENTRY e, *ep;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ e.key = argv[1];
+ e.data = NULL;
+ hsearch_r(e, FIND, &ep, &env_htab, 0);
+
+ return (ep == NULL) ? 1 : 0;
+}
+#endif
+
/*
* New command line interface: "env" command with subcommands
*/
U_BOOT_CMD_MKENT(save, 1, 0, do_env_save, "", ""),
#endif
U_BOOT_CMD_MKENT(set, CONFIG_SYS_MAXARGS, 0, do_env_set, "", ""),
+#if defined(CONFIG_CMD_ENV_EXISTS)
+ U_BOOT_CMD_MKENT(exists, 2, 0, do_env_exists, "", ""),
+#endif
};
#if defined(CONFIG_NEEDS_MANUAL_RELOC)
#if defined(CONFIG_CMD_EDITENV)
"env edit name - edit environment variable\n"
#endif
+#if defined(CONFIG_CMD_ENV_EXISTS)
+ "env exists name - tests for existence of variable\n"
+#endif
#if defined(CONFIG_CMD_EXPORTENV)
"env export [-t | -b | -c] [-s size] addr [var ...] - export environment\n"
#endif
"env flags - print variables that have non-default flags\n"
#endif
#if defined(CONFIG_CMD_GREPENV)
- "env grep string [...] - search environment\n"
+#ifdef CONFIG_REGEX
+ "env grep [-e] [-n | -v | -b] string [...] - search environment\n"
+#else
+ "env grep [-n | -v | -b] string [...] - search environment\n"
+#endif
#endif
#if defined(CONFIG_CMD_IMPORTENV)
- "env import [-d] [-t | -b | -c] addr [size] - import environment\n"
+ "env import [-d] [-t [-r] | -b | -c] addr [size] - import environment\n"
#endif
"env print [-a | name ...] - print environment\n"
#if defined(CONFIG_CMD_RUN)
U_BOOT_CMD_COMPLETE(
grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep,
"search environment variables",
- "string ...\n"
- " - list environment name=value pairs matching 'string'",
+#ifdef CONFIG_REGEX
+ "[-e] [-n | -v | -b] string ...\n"
+#else
+ "[-n | -v | -b] string ...\n"
+#endif
+ " - list environment name=value pairs matching 'string'\n"
+#ifdef CONFIG_REGEX
+ " \"-e\": enable regular expressions;\n"
+#endif
+ " \"-n\": search variable names; \"-v\": search values;\n"
+ " \"-b\": search both names and values (default)",
var_complete
);
#endif
askenv, CONFIG_SYS_MAXARGS, 1, do_env_ask,
"get environment variables from stdin",
"name [message] [size]\n"
- " - get environment variable 'name' from stdin (max 'size' chars)\n"
- "askenv name\n"
- " - get environment variable 'name' from stdin\n"
- "askenv name size\n"
- " - get environment variable 'name' from stdin (max 'size' chars)\n"
- "askenv name [message] size\n"
- " - display 'message' string and get environment variable 'name'"
- "from stdin (max 'size' chars)"
+ " - get environment variable 'name' from stdin (max 'size' chars)"
);
#endif
projects / karo-tx-uboot.git / blobdiff