#include <console.h>
#include <env.h>
#include <env_internal.h>
-#include <net.h>
+#include <log.h>
#include <search.h>
#include <errno.h>
#include <malloc.h>
#include <mapmem.h>
+#include <asm/global_data.h>
+#include <linux/bitops.h>
#include <u-boot/crc.h>
-#include <watchdog.h>
#include <linux/stddef.h>
#include <asm/byteorder.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
-#if defined(CONFIG_ENV_IS_IN_EEPROM) || \
- defined(CONFIG_ENV_IS_IN_FLASH) || \
- defined(CONFIG_ENV_IS_IN_MMC) || \
- defined(CONFIG_ENV_IS_IN_FAT) || \
- defined(CONFIG_ENV_IS_IN_EXT4) || \
- defined(CONFIG_ENV_IS_IN_NAND) || \
- defined(CONFIG_ENV_IS_IN_NVRAM) || \
- defined(CONFIG_ENV_IS_IN_ONENAND) || \
- defined(CONFIG_ENV_IS_IN_SATA) || \
- defined(CONFIG_ENV_IS_IN_SPI_FLASH) || \
- defined(CONFIG_ENV_IS_IN_REMOTE) || \
- defined(CONFIG_ENV_IS_IN_UBI)
-
-#define ENV_IS_IN_DEVICE
-
-#endif
-
-#if !defined(ENV_IS_IN_DEVICE) && \
- !defined(CONFIG_ENV_IS_NOWHERE)
-# error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|MMC|FAT|EXT4|\
-NAND|NVRAM|ONENAND|SATA|SPI_FLASH|REMOTE|UBI} or CONFIG_ENV_IS_NOWHERE
-#endif
-
/*
* Maximum expected input data size for import command
*/
return 0;
}
-static int do_env_print(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_env_print(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
int i;
int rcode = 0;
}
#ifdef CONFIG_CMD_GREPENV
-static int do_env_grep(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_grep(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
char *res = NULL;
int len, grep_how, grep_what;
* Set a new environment variable,
* or replace or delete an existing one.
*/
-static int _do_env_set(int flag, int argc, char * const argv[], int env_flag)
+static int _do_env_set(int flag, int argc, char *const argv[], int env_flag)
{
int i, len;
char *name, *value, *s;
debug("Initial value for argc=%d\n", argc);
-#if CONFIG_IS_ENABLED(CMD_NVEDIT_EFI)
+#if !IS_ENABLED(CONFIG_SPL_BUILD) && IS_ENABLED(CONFIG_CMD_NVEDIT_EFI)
if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'e')
return do_env_set_efi(NULL, flag, --argc, ++argv);
#endif
/* Delete only ? */
if (argc < 3 || argv[2] == NULL) {
int rc = hdelete_r(name, &env_htab, env_flag);
- return !rc;
+
+ /* If the variable didn't exist, don't report an error */
+ return rc && rc != -ENOENT ? 1 : 0;
}
/*
return _do_env_set(0, 3, (char * const *)argv, H_PROGRAMMATIC);
}
-/**
- * Set an environment variable to an integer value
- *
- * @param varname Environment variable to set
- * @param value Value to set it to
- * @return 0 if ok, 1 on error
- */
-int env_set_ulong(const char *varname, ulong value)
-{
- /* TODO: this should be unsigned */
- char *str = simple_itoa(value);
-
- return env_set(varname, str);
-}
-
-/**
- * Set an environment variable to an value in hex
- *
- * @param varname Environment variable to set
- * @param value Value to set it to
- * @return 0 if ok, 1 on error
- */
-int env_set_hex(const char *varname, ulong value)
-{
- char str[17];
-
- sprintf(str, "%lx", value);
- return env_set(varname, str);
-}
-
-ulong env_get_hex(const char *varname, ulong default_val)
-{
- const char *s;
- ulong value;
- char *endp;
-
- s = env_get(varname);
- if (s)
- value = simple_strtoul(s, &endp, 16);
- if (!s || endp == s)
- return default_val;
-
- return value;
-}
-
-int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr)
-{
- string_to_enetaddr(env_get(name), enetaddr);
- return is_valid_ethaddr(enetaddr);
-}
-
-int eth_env_set_enetaddr(const char *name, const uint8_t *enetaddr)
-{
- char buf[ARP_HLEN_ASCII + 1];
-
- if (eth_env_get_enetaddr(name, (uint8_t *)buf))
- return -EEXIST;
-
- sprintf(buf, "%pM", enetaddr);
-
- return env_set(name, buf);
-}
-
#ifndef CONFIG_SPL_BUILD
-static int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_env_set(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
if (argc < 2)
return CMD_RET_USAGE;
* Prompt for environment variable
*/
#if defined(CONFIG_CMD_ASKENV)
-int do_env_ask(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_env_ask(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
char message[CONFIG_SYS_CBSIZE];
int i, len, pos, size;
* the size. Otherwise we echo it as part of the
* message.
*/
- i = simple_strtoul(argv[argc - 1], &endptr, 10);
+ i = dectoul(argv[argc - 1], &endptr);
if (*endptr != '\0') { /* no size */
size = CONFIG_SYS_CBSIZE - 1;
} else { /* size given */
/*
* Print the callbacks available and what they are bound to
*/
-int do_env_callback(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_env_callback(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
struct env_clbk_tbl *clbkp;
int i;
/*
* Print the flags available and what variables have flags
*/
-int do_env_flags(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_env_flags(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
/* Print the available variable types */
printf("Available variable type flags (position %d):\n",
* Interactively edit an environment variable
*/
#if defined(CONFIG_CMD_EDITENV)
-static int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_env_edit(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
char buffer[CONFIG_SYS_CBSIZE];
char *init_val;
}
}
#endif /* CONFIG_CMD_EDITENV */
-#endif /* CONFIG_SPL_BUILD */
-
-/*
- * Look up variable from environment,
- * return address of storage for that variable,
- * or NULL if not found
- */
-char *env_get(const char *name)
-{
- if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */
- struct env_entry e, *ep;
-
- WATCHDOG_RESET();
-
- e.key = name;
- e.data = NULL;
- hsearch_r(e, ENV_FIND, &ep, &env_htab, 0);
-
- return ep ? ep->data : NULL;
- }
-
- /* restricted capabilities before import */
- if (env_get_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0)
- return (char *)(gd->env_buf);
-
- return NULL;
-}
-/*
- * Like env_get, but prints an error if envvar isn't defined in the
- * environment. It always returns what env_get does, so it can be used in
- * place of env_get without changing error handling otherwise.
- */
-char *from_env(const char *envvar)
-{
- char *ret;
-
- ret = env_get(envvar);
-
- if (!ret)
- printf("missing environment variable: %s\n", envvar);
-
- return ret;
-}
-
-/*
- * Look up variable from environment for restricted C runtime env.
- */
-int env_get_f(const char *name, char *buf, unsigned len)
-{
- int i, nxt, c;
-
- for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
- int val, n;
-
- for (nxt = i; (c = env_get_char(nxt)) != '\0'; ++nxt) {
- if (c < 0)
- return c;
- if (nxt >= CONFIG_ENV_SIZE)
- return -1;
- }
-
- val = env_match((uchar *)name, i);
- if (val < 0)
- continue;
-
- /* found; copy out */
- for (n = 0; n < len; ++n, ++buf) {
- c = env_get_char(val++);
- if (c < 0)
- return c;
- *buf = c;
- if (*buf == '\0')
- return n;
- }
-
- if (n)
- *--buf = '\0';
-
- printf("env_buf [%u bytes] too small for value of \"%s\"\n",
- len, name);
-
- return n;
- }
-
- return -1;
-}
-
-/**
- * Decode the integer value of an environment variable and return it.
- *
- * @param name Name of environment variable
- * @param base Number base to use (normally 10, or 16 for hex)
- * @param default_val Default value to return if the variable is not
- * found
- * @return the decoded value, or default_val if not found
- */
-ulong env_get_ulong(const char *name, int base, ulong default_val)
-{
- /*
- * We can use env_get() here, even before relocation, since the
- * environment variable value is an integer and thus short.
- */
- const char *str = env_get(name);
-
- return str ? simple_strtoul(str, NULL, base) : default_val;
-}
-
-#ifndef CONFIG_SPL_BUILD
-#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
-static int do_env_save(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+#if defined(CONFIG_CMD_SAVEENV) && !IS_ENABLED(CONFIG_ENV_IS_DEFAULT)
+static int do_env_save(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
return env_save() ? 1 : 0;
}
);
#if defined(CONFIG_CMD_ERASEENV)
-static int do_env_erase(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_env_erase(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
return env_erase() ? 1 : 0;
}
);
#endif
#endif
-#endif /* CONFIG_SPL_BUILD */
-int env_match(uchar *s1, int i2)
+#if defined(CONFIG_CMD_NVEDIT_LOAD)
+static int do_env_load(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
- if (s1 == NULL)
- return -1;
-
- while (*s1 == env_get_char(i2++))
- if (*s1++ == '=')
- return i2;
-
- if (*s1 == '\0' && env_get_char(i2-1) == '=')
- return i2;
+ return env_reload() ? 1 : 0;
+}
+#endif
- return -1;
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+static int do_env_select(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ return env_select(argv[1]) ? 1 : 0;
}
+#endif
+
+#endif /* CONFIG_SPL_BUILD */
#ifndef CONFIG_SPL_BUILD
-static int do_env_default(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_default(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
int all = 0, env_flag = H_INTERACTIVE;
return cmd_usage(cmdtp);
}
-static int do_env_delete(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_delete(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
int env_flag = H_INTERACTIVE;
int ret = 0;
while (--argc > 0) {
char *name = *++argv;
- if (!hdelete_r(name, &env_htab, env_flag))
+ if (hdelete_r(name, &env_htab, env_flag))
ret = 1;
}
*
* => env import -d -t ${backup_addr}
*/
-static int do_env_export(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_export(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
char buf[32];
ulong addr;
case 's': /* size given */
if (--argc <= 0)
return cmd_usage(cmdtp);
- size = simple_strtoul(*++argv, NULL, 16);
+ size = hextoul(*++argv, NULL);
goto NXTARG;
case 't': /* text format */
if (fmt++)
if (argc < 1)
return CMD_RET_USAGE;
- addr = simple_strtoul(argv[0], NULL, 16);
+ addr = hextoul(argv[0], NULL);
ptr = map_sysmem(addr, size);
if (size)
* the environment at address 'addr'. Without arguments, the whole
* environment gets imported.
*/
-static int do_env_import(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_import(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
ulong addr;
char *cmd, *ptr;
if (sep != '\n' && crlf_is_lf )
crlf_is_lf = 0;
- addr = simple_strtoul(argv[0], NULL, 16);
+ addr = hextoul(argv[0], NULL);
ptr = map_sysmem(addr, 0);
if (argc >= 2 && strcmp(argv[1], "-")) {
- size = simple_strtoul(argv[1], NULL, 16);
+ size = hextoul(argv[1], NULL);
} else if (chk) {
puts("## Error: external checksum format must pass size\n");
return CMD_RET_FAILURE;
uint32_t crc;
env_t *ep = (env_t *)ptr;
+ if (size <= offsetof(env_t, data)) {
+ printf("## Error: Invalid size 0x%zX\n", size);
+ return 1;
+ }
+
size -= offsetof(env_t, data);
memcpy(&crc, &ep->crc, sizeof(crc));
}
#endif
+#if defined(CONFIG_CMD_NVEDIT_INDIRECT)
+static int do_env_indirect(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
+{
+ char *to = argv[1];
+ char *from = argv[2];
+ char *default_value = NULL;
+ int ret = 0;
+ char *val;
+
+ if (argc < 3 || argc > 4) {
+ return CMD_RET_USAGE;
+ }
+
+ if (argc == 4) {
+ default_value = argv[3];
+ }
+
+ val = env_get(from) ?: default_value;
+ if (!val) {
+ printf("## env indirect: Environment variable for <from> (%s) does not exist.\n", from);
+
+ return CMD_RET_FAILURE;
+ }
+
+ ret = env_set(to, val);
+
+ if (ret == 0) {
+ return CMD_RET_SUCCESS;
+ }
+ else {
+ return CMD_RET_FAILURE;
+ }
+}
+#endif
+
#if defined(CONFIG_CMD_NVEDIT_INFO)
/*
* print_env_info - print environment information
* env info - display environment information
* env info [-d] - evaluate whether default environment is used
* env info [-p] - evaluate whether environment can be persisted
+ * Add [-q] - quiet mode, use only for command result, for test by example:
+ * test env info -p -d -q
*/
-static int do_env_info(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_env_info(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
int eval_flags = 0;
int eval_results = 0;
+ bool quiet = false;
+#if defined(CONFIG_CMD_SAVEENV) && !IS_ENABLED(CONFIG_ENV_IS_DEFAULT)
+ enum env_location loc;
+#endif
/* display environment information */
if (argc <= 1)
case 'p':
eval_flags |= ENV_INFO_IS_PERSISTED;
break;
+ case 'q':
+ quiet = true;
+ break;
default:
return CMD_RET_USAGE;
}
/* evaluate whether default environment is used */
if (eval_flags & ENV_INFO_IS_DEFAULT) {
if (gd->flags & GD_FLG_ENV_DEFAULT) {
- printf("Default environment is used\n");
+ if (!quiet)
+ printf("Default environment is used\n");
eval_results |= ENV_INFO_IS_DEFAULT;
} else {
- printf("Environment was loaded from persistent storage\n");
+ if (!quiet)
+ printf("Environment was loaded from persistent storage\n");
}
}
/* evaluate whether environment can be persisted */
if (eval_flags & ENV_INFO_IS_PERSISTED) {
-#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
- printf("Environment can be persisted\n");
- eval_results |= ENV_INFO_IS_PERSISTED;
+#if defined(CONFIG_CMD_SAVEENV) && !IS_ENABLED(CONFIG_ENV_IS_DEFAULT)
+ loc = env_get_location(ENVOP_SAVE, gd->env_load_prio);
+ if (ENVL_NOWHERE != loc && ENVL_UNKNOWN != loc) {
+ if (!quiet)
+ printf("Environment can be persisted\n");
+ eval_results |= ENV_INFO_IS_PERSISTED;
+ } else {
+ if (!quiet)
+ printf("Environment cannot be persisted\n");
+ }
#else
- printf("Environment cannot be persisted\n");
+ if (!quiet)
+ printf("Environment cannot be persisted\n");
#endif
}
#endif
#if defined(CONFIG_CMD_ENV_EXISTS)
-static int do_env_exists(cmd_tbl_t *cmdtp, int flag, int argc,
- char * const argv[])
+static int do_env_exists(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
struct env_entry e, *ep;
/*
* New command line interface: "env" command with subcommands
*/
-static cmd_tbl_t cmd_env_sub[] = {
+static struct cmd_tbl cmd_env_sub[] = {
#if defined(CONFIG_CMD_ASKENV)
U_BOOT_CMD_MKENT(ask, CONFIG_SYS_MAXARGS, 1, do_env_ask, "", ""),
#endif
#if defined(CONFIG_CMD_IMPORTENV)
U_BOOT_CMD_MKENT(import, 5, 0, do_env_import, "", ""),
#endif
+#if defined(CONFIG_CMD_NVEDIT_INDIRECT)
+ U_BOOT_CMD_MKENT(indirect, 3, 0, do_env_indirect, "", ""),
+#endif
#if defined(CONFIG_CMD_NVEDIT_INFO)
- U_BOOT_CMD_MKENT(info, 2, 0, do_env_info, "", ""),
+ U_BOOT_CMD_MKENT(info, 3, 0, do_env_info, "", ""),
+#endif
+#if defined(CONFIG_CMD_NVEDIT_LOAD)
+ U_BOOT_CMD_MKENT(load, 1, 0, do_env_load, "", ""),
#endif
U_BOOT_CMD_MKENT(print, CONFIG_SYS_MAXARGS, 1, do_env_print, "", ""),
#if defined(CONFIG_CMD_RUN)
U_BOOT_CMD_MKENT(run, CONFIG_SYS_MAXARGS, 1, do_run, "", ""),
#endif
-#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
+#if defined(CONFIG_CMD_SAVEENV) && !IS_ENABLED(CONFIG_ENV_IS_DEFAULT)
U_BOOT_CMD_MKENT(save, 1, 0, do_env_save, "", ""),
#if defined(CONFIG_CMD_ERASEENV)
U_BOOT_CMD_MKENT(erase, 1, 0, do_env_erase, "", ""),
#endif
#endif
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+ U_BOOT_CMD_MKENT(select, 2, 0, do_env_select, "", ""),
+#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
-static int do_env(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_env(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
- cmd_tbl_t *cp;
+ struct cmd_tbl *cp;
if (argc < 2)
return CMD_RET_USAGE;
#if defined(CONFIG_CMD_IMPORTENV)
"env import [-d] [-t [-r] | -b | -c] addr [size] [var ...] - import environment\n"
#endif
+#if defined(CONFIG_CMD_NVEDIT_INDIRECT)
+ "env indirect <to> <from> [default] - sets <to> to the value of <from>, using [default] when unset\n"
+#endif
#if defined(CONFIG_CMD_NVEDIT_INFO)
"env info - display environment information\n"
- "env info [-d] - whether default environment is used\n"
- "env info [-p] - whether environment can be persisted\n"
+ "env info [-d] [-p] [-q] - evaluate environment information\n"
+ " \"-d\": default environment is used\n"
+ " \"-p\": environment can be persisted\n"
+ " \"-q\": quiet output\n"
#endif
"env print [-a | name ...] - print environment\n"
#if defined(CONFIG_CMD_NVEDIT_EFI)
- "env print -e [-guid guid|-all][-n] [name ...] - print UEFI environment\n"
+ "env print -e [-guid guid] [-n] [name ...] - print UEFI environment\n"
#endif
#if defined(CONFIG_CMD_RUN)
"env run var [...] - run commands in an environment variable\n"
#endif
-#if defined(CONFIG_CMD_SAVEENV) && defined(ENV_IS_IN_DEVICE)
+#if defined(CONFIG_CMD_SAVEENV) && !IS_ENABLED(CONFIG_ENV_IS_DEFAULT)
"env save - save environment\n"
#if defined(CONFIG_CMD_ERASEENV)
"env erase - erase environment\n"
#endif
#endif
+#if defined(CONFIG_CMD_NVEDIT_LOAD)
+ "env load - load environment\n"
+#endif
+#if defined(CONFIG_CMD_NVEDIT_SELECT)
+ "env select [target] - select environment target\n"
+#endif
#if defined(CONFIG_CMD_NVEDIT_EFI)
- "env set -e [-nv][-bs][-rt][-at][-a][-i addr,size][-v] name [arg ...]\n"
+ "env set -e [-nv][-bs][-rt][-at][-a][-i addr:size][-v] name [arg ...]\n"
" - set UEFI variable; unset if '-i' or 'arg' not specified\n"
#endif
"env set [-f] name [arg ...]\n";
"print environment variables",
"[-a]\n - print [all] values of all environment variables\n"
#if defined(CONFIG_CMD_NVEDIT_EFI)
- "printenv -e [-guid guid|-all][-n] [name ...]\n"
+ "printenv -e [-guid guid][-n] [name ...]\n"
" - print UEFI variable 'name' or all the variables\n"
+ " \"-guid\": GUID xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\n"
" \"-n\": suppress dumping variable's value\n"
#endif
"printenv name ...\n"
"set environment variables",
#if defined(CONFIG_CMD_NVEDIT_EFI)
"-e [-guid guid][-nv][-bs][-rt][-at][-a][-v]\n"
- " [-i addr,size name], or [name [value ...]]\n"
+ " [-i addr:size name], or [name [value ...]]\n"
" - set UEFI variable 'name' to 'value' ...'\n"
- " \"-guid\": set vendor guid\n"
+ " \"-guid\": GUID xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx\n"
" \"-nv\": set non-volatile attribute\n"
" \"-bs\": set boot-service attribute\n"
" \"-rt\": set runtime attribute\n"
projects / platform / kernel / u-boot.git / blobdiff