*
* 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;
grep_how = H_MATCH_SUBSTR; /* default: substring search */
grep_what = H_MATCH_BOTH; /* default: grep names and values */
- while (argc > 1 && **(argv + 1) == '-') {
- char *arg = *++argv;
-
- --argc;
+ while (--argc > 0 && **++argv == '-') {
+ char *arg = *argv;
while (*++arg) {
switch (*arg) {
#ifdef CONFIG_REGEX
* 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) == '-') {
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);
}
/**
if (argc < 2)
return CMD_RET_USAGE;
- return _do_env_set(flag, argc, argv);
+ return _do_env_set(flag, argc, argv, H_INTERACTIVE);
}
/*
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';
- if (readline_into_buffer("edit: ", buffer, 0) < 0)
+ if (cli_readline_into_buffer("edit: ", buffer, 0) < 0)
return 1;
- return setenv(argv[1], buffer);
+ 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 _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,
H_MATCH_KEY | H_MATCH_IDENT,
- &addr, size, argc, argv);
+ &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',
H_MATCH_KEY | H_MATCH_IDENT,
#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
#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)
projects / J-u-boot.git / blobdiff