*
* (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Andreas Heppel <aheppel@sysgo.de>
-
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
* See file CREDITS for list of people who contributed to this
* project.
*
DECLARE_GLOBAL_DATA_PTR;
-#if !defined(CONFIG_ENV_IS_IN_EEPROM) && \
- !defined(CONFIG_ENV_IS_IN_FLASH) && \
- !defined(CONFIG_ENV_IS_IN_DATAFLASH) && \
- !defined(CONFIG_ENV_IS_IN_MG_DISK) && \
- !defined(CONFIG_ENV_IS_IN_MMC) && \
- !defined(CONFIG_ENV_IS_IN_NAND) && \
- !defined(CONFIG_ENV_IS_IN_NVRAM) && \
- !defined(CONFIG_ENV_IS_IN_ONENAND) && \
- !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \
- !defined(CONFIG_ENV_IS_NOWHERE)
+#if !defined(CONFIG_ENV_IS_IN_EEPROM) && \
+ !defined(CONFIG_ENV_IS_IN_FLASH) && \
+ !defined(CONFIG_ENV_IS_IN_DATAFLASH) && \
+ !defined(CONFIG_ENV_IS_IN_MMC) && \
+ !defined(CONFIG_ENV_IS_IN_FAT) && \
+ !defined(CONFIG_ENV_IS_IN_NAND) && \
+ !defined(CONFIG_ENV_IS_IN_NVRAM) && \
+ !defined(CONFIG_ENV_IS_IN_ONENAND) && \
+ !defined(CONFIG_ENV_IS_IN_SPI_FLASH) && \
+ !defined(CONFIG_ENV_IS_IN_REMOTE) && \
+ !defined(CONFIG_ENV_IS_NOWHERE)
# error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\
-SPI_FLASH|MG_DISK|NVRAM|MMC|NOWHERE}
+SPI_FLASH|NVRAM|MMC|FAT|REMOTE} or CONFIG_ENV_IS_NOWHERE
#endif
#define XMK_STR(x) #x
*/
#define MAX_ENV_SIZE (1 << 20) /* 1 MiB */
+ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */
+ulong save_addr; /* Default Save Address */
+ulong save_size; /* Default Save Size (in bytes) */
+
/*
* Table with supported baudrates (defined in config_xyz.h)
*/
*/
static int env_id = 1;
-int get_env_id (void)
+int get_env_id(void)
{
return env_id;
}
+#ifndef CONFIG_SPL_BUILD
/*
* Command interface: print one or all environment variables
*
hsearch_r(e, FIND, &ep, &env_htab);
if (ep == NULL)
return 0;
- len = printf ("%s=%s\n", ep->key, ep->data);
+ len = printf("%s=%s\n", ep->key, ep->data);
return len;
}
/* print whole list */
- len = hexport_r(&env_htab, '\n', &res, 0);
+ len = hexport_r(&env_htab, '\n', &res, 0, 0, NULL);
if (len > 0) {
puts(res);
return rcode;
}
+#ifdef CONFIG_CMD_GREPENV
+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;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ memset(matched, 0, env_htab.size / 8);
+
+ 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");
+ }
+ matched[idx / 8] |= 1 << (idx & 7);
+ rcode = 0;
+ }
+ arg++;
+ }
+
+ return rcode;
+}
+#endif
+#endif /* CONFIG_SPL_BUILD */
+
/*
- * Set a new environment variable,
- * or replace or delete an existing one.
+ * Perform consistency checking before setting, replacing, or deleting an
+ * environment variable, then (if successful) apply the changes to internals so
+ * to make them effective. Code for this function was taken out of
+ * _do_env_set(), which now calls it instead.
+ * Also called as a callback function by himport_r().
+ * Returns 0 in case of success, 1 in case of failure.
+ * When (flag & H_FORCE) is set, do not print out any error message and force
+ * overwriting of write-once variables.
*/
-int _do_env_set (int flag, int argc, char * const argv[])
+int env_check_apply(const char *name, const char *oldval,
+ const char *newval, int flag)
{
- bd_t *bd = gd->bd;
- int i, len;
int console = -1;
- char *name, *value, *s;
- ENTRY e, *ep;
-
- name = argv[1];
-
- if (strchr(name, '=')) {
- printf ("## Error: illegal character '=' in variable name \"%s\"\n", name);
- return 1;
- }
-
- env_id++;
- /*
- * search if variable with this name already exists
- */
- e.key = name;
- e.data = NULL;
- hsearch_r(e, FIND, &ep, &env_htab);
/* Check for console redirection */
- if (strcmp(name,"stdin") == 0) {
+ if (strcmp(name, "stdin") == 0)
console = stdin;
- } else if (strcmp(name,"stdout") == 0) {
+ else if (strcmp(name, "stdout") == 0)
console = stdout;
- } else if (strcmp(name,"stderr") == 0) {
+ else if (strcmp(name, "stderr") == 0)
console = stderr;
- }
if (console != -1) {
- if (argc < 3) { /* Cannot delete it! */
- printf("Can't delete \"%s\"\n", name);
+ if ((newval == NULL) || (*newval == '\0')) {
+ /* We cannot delete stdin/stdout/stderr */
+ if ((flag & H_FORCE) == 0)
+ printf("Can't delete \"%s\"\n", name);
return 1;
}
#ifdef CONFIG_CONSOLE_MUX
- i = iomux_doenv(console, argv[2]);
- if (i)
- return i;
+ if (iomux_doenv(console, newval))
+ return 1;
#else
/* Try assigning specified device */
- if (console_assign (console, argv[2]) < 0)
+ if (console_assign(console, newval) < 0)
return 1;
#ifdef CONFIG_SERIAL_MULTI
- if (serial_assign (argv[2]) < 0)
+ if (serial_assign(newval) < 0)
return 1;
#endif
#endif /* CONFIG_CONSOLE_MUX */
}
/*
- * Some variables like "ethaddr" and "serial#" can be set only
- * once and cannot be deleted; also, "ver" is readonly.
+ * Some variables like "ethaddr" and "serial#" can be set only once and
+ * cannot be deleted, unless CONFIG_ENV_OVERWRITE is defined.
*/
- if (ep) { /* variable exists */
#ifndef CONFIG_ENV_OVERWRITE
- if ((strcmp (name, "serial#") == 0) ||
- ((strcmp (name, "ethaddr") == 0)
+ if (oldval != NULL && /* variable exists */
+ (flag & H_FORCE) == 0) { /* and we are not forced */
+ if (strcmp(name, "serial#") == 0 ||
+ (strcmp(name, "ethaddr") == 0
#if defined(CONFIG_OVERWRITE_ETHADDR_ONCE) && defined(CONFIG_ETHADDR)
- && (strcmp (ep->data,MK_STR(CONFIG_ETHADDR)) != 0)
+ && strcmp(oldval, MK_STR(CONFIG_ETHADDR)) != 0
#endif /* CONFIG_OVERWRITE_ETHADDR_ONCE && CONFIG_ETHADDR */
- ) ) {
- printf ("Can't overwrite \"%s\"\n", name);
+ )) {
+ printf("Can't overwrite \"%s\"\n", name);
return 1;
}
+ }
#endif
+ /*
+ * When we change baudrate, or we are doing an env default -a
+ * (which will erase all variables prior to calling this),
+ * we want the baudrate to actually change - for real.
+ */
+ if (oldval != NULL || /* variable exists */
+ (flag & H_NOCLEAR) == 0) { /* or env is clear */
/*
* Switch to new baudrate if new baudrate is supported
*/
- if (strcmp(name,"baudrate") == 0) {
- int baudrate = simple_strtoul(argv[2], NULL, 10);
+ if (strcmp(name, "baudrate") == 0) {
+ int baudrate = simple_strtoul(newval, NULL, 10);
int i;
- for (i=0; i<N_BAUDRATES; ++i) {
+ for (i = 0; i < N_BAUDRATES; ++i) {
if (baudrate == baudrate_table[i])
break;
}
if (i == N_BAUDRATES) {
- printf ("## Baudrate %d bps not supported\n",
- baudrate);
+ if ((flag & H_FORCE) == 0)
+ printf("## Baudrate %d bps not "
+ "supported\n", baudrate);
return 1;
}
- printf ("## Switch baudrate to %d bps and press ENTER ...\n",
- baudrate);
+ if (gd->baudrate == baudrate) {
+ /* If unchanged, we just say it's OK */
+ return 0;
+ }
+ printf("## Switch baudrate to %d bps and"
+ "press ENTER ...\n", baudrate);
udelay(50000);
gd->baudrate = baudrate;
#if defined(CONFIG_PPC) || defined(CONFIG_MCF52x2)
gd->bd->bi_baudrate = baudrate;
#endif
- serial_setbrg ();
+ serial_setbrg();
udelay(50000);
- for (;;) {
- if (getc() == '\r')
- break;
- }
+ while (getc() != '\r')
+ ;
}
}
+ /*
+ * Some variables should be updated when the corresponding
+ * entry in the environment is changed
+ */
+ if (strcmp(name, "loadaddr") == 0) {
+ load_addr = simple_strtoul(newval, NULL, 16);
+ return 0;
+ }
+#if defined(CONFIG_CMD_NET)
+ else if (strcmp(name, "bootfile") == 0) {
+ copy_filename(BootFile, newval, sizeof(BootFile));
+ return 0;
+ }
+#endif
+ return 0;
+}
+
+/*
+ * Set a new environment variable,
+ * or replace or delete an existing one.
+*/
+int _do_env_set(int flag, int argc, char * const argv[])
+{
+ int i, len;
+ char *name, *value, *s;
+ ENTRY e, *ep;
+
+ name = argv[1];
+ value = argv[2];
+
+ if (strchr(name, '=')) {
+ printf("## Error: illegal character '='"
+ "in variable name \"%s\"\n", name);
+ return 1;
+ }
+
+ env_id++;
+ /*
+ * search if variable with this name already exists
+ */
+ e.key = name;
+ e.data = NULL;
+ hsearch_r(e, FIND, &ep, &env_htab);
+
+ /*
+ * Perform requested checks. Notice how since we are overwriting
+ * a single variable, we need to set H_NOCLEAR
+ */
+ if (env_check_apply(name, ep ? ep->data : NULL, value, H_NOCLEAR)) {
+ debug("check function did not approve, refusing\n");
+ return 1;
+ }
+
/* Delete only ? */
- if ((argc < 3) || argv[2] == NULL) {
- int rc = hdelete_r(name, &env_htab);
+ if (argc < 3 || argv[2] == NULL) {
+ int rc = hdelete_r(name, &env_htab, 0);
return !rc;
}
/*
* Insert / replace new value
*/
- for (i=2,len=0; i<argc; ++i) {
+ for (i = 2, len = 0; i < argc; ++i)
len += strlen(argv[i]) + 1;
- }
- if ((value = malloc(len)) == NULL) {
+
+ value = malloc(len);
+ if (value == NULL) {
printf("## Can't malloc %d bytes\n", len);
return 1;
}
- for (i=2,s=value; i<argc; ++i) {
+ for (i = 2, s = value; i < argc; ++i) {
char *v = argv[i];
while ((*s++ = *v++) != '\0')
;
- *(s-1) = ' ';
+ *(s - 1) = ' ';
}
if (s != value)
*--s = '\0';
- e.key = name;
- e.data = value;
+ e.key = name;
+ e.data = value;
hsearch_r(e, ENTER, &ep, &env_htab);
free(value);
if (!ep) {
return 1;
}
- /*
- * Some variables should be updated when the corresponding
- * entry in the environment is changed
- */
-
- if (strcmp(name,"ipaddr") == 0) {
- char *s = argv[2]; /* always use only one arg */
- char *e;
- unsigned long addr;
- bd->bi_ip_addr = 0;
- for (addr=0, i=0; i<4; ++i) {
- ulong val = s ? simple_strtoul(s, &e, 10) : 0;
- addr <<= 8;
- addr |= (val & 0xFF);
- if (s) s = (*e) ? e+1 : e;
- }
- bd->bi_ip_addr = htonl(addr);
- return 0;
- } else if (strcmp(argv[1],"loadaddr") == 0) {
- load_addr = simple_strtoul(argv[2], NULL, 16);
- return 0;
- }
-#if defined(CONFIG_CMD_NET)
- else if (strcmp(argv[1],"bootfile") == 0) {
- copy_filename (BootFile, argv[2], sizeof(BootFile));
- return 0;
- }
-#endif
return 0;
}
-int setenv (char *varname, char *varvalue)
+int setenv(const char *varname, const char *varvalue)
{
- char * const argv[4] = { "setenv", varname, varvalue, NULL };
- if ((varvalue == NULL) || (varvalue[0] == '\0'))
- return _do_env_set(0, 2, argv);
+ const char * const argv[4] = { "setenv", varname, varvalue, NULL };
+
+ if (varvalue == NULL || varvalue[0] == '\0')
+ return _do_env_set(0, 2, (char * const *)argv);
else
- return _do_env_set(0, 3, argv);
+ return _do_env_set(0, 3, (char * const *)argv);
}
-int do_env_set (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+/**
+ * Set an environment variable to an integer value
+ *
+ * @param varname Environmet variable to set
+ * @param value Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int setenv_ulong(const char *varname, ulong value)
+{
+ /* TODO: this should be unsigned */
+ char *str = simple_itoa(value);
+
+ return setenv(varname, str);
+}
+
+/**
+ * Set an environment variable to an address in hex
+ *
+ * @param varname Environmet variable to set
+ * @param addr Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int setenv_addr(const char *varname, const void *addr)
+{
+ char str[17];
+
+ sprintf(str, "%lx", (uintptr_t)addr);
+ return setenv(varname, str);
+}
+
+#ifndef CONFIG_SPL_BUILD
+int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
return _do_env_set(flag, argc, argv);
}
* 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(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- extern char console_buffer[CONFIG_SYS_CBSIZE];
char message[CONFIG_SYS_CBSIZE];
int size = CONFIG_SYS_CBSIZE - 1;
int i, len, pos;
/* Check the syntax */
switch (argc) {
case 1:
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
case 2: /* env_ask envname */
sprintf(message, "Please enter '%s':", argv[1]);
break;
default: /* env_ask envname message1 ... messagen size */
- for (i=2,pos=0; i < argc - 1; i++) {
- if (pos) {
+ for (i = 2, pos = 0; i < argc - 1; i++) {
+ if (pos)
message[pos++] = ' ';
- }
- strcpy(message+pos, argv[i]);
+
+ strcpy(message + pos, argv[i]);
pos += strlen(argv[i]);
}
+
message[pos] = '\0';
size = simple_strtoul(argv[argc - 1], NULL, 10);
break;
{
char buffer[CONFIG_SYS_CBSIZE];
char *init_val;
- int len;
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
/* Set read buffer to initial value or empty sting */
init_val = getenv(argv[1]);
if (init_val)
- len = sprintf(buffer, "%s", init_val);
+ sprintf(buffer, "%s", init_val);
else
buffer[0] = '\0';
- readline_into_buffer("edit: ", buffer);
+ readline_into_buffer("edit: ", buffer, 0);
return setenv(argv[1], buffer);
}
#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 *getenv (char *name)
+char *getenv(const char *name)
{
- if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */
+ if (gd->flags & GD_FLG_ENV_READY) { /* after import into hashtable */
ENTRY e, *ep;
WATCHDOG_RESET();
- e.key = name;
- e.data = NULL;
+ e.key = name;
+ e.data = NULL;
hsearch_r(e, FIND, &ep, &env_htab);
- return (ep ? ep->data : NULL);
+ return ep ? ep->data : NULL;
}
/* restricted capabilities before import */
-
if (getenv_f(name, (char *)(gd->env_buf), sizeof(gd->env_buf)) > 0)
return (char *)(gd->env_buf);
/*
* Look up variable from environment for restricted C runtime env.
*/
-int getenv_f (char *name, char *buf, unsigned len)
+int getenv_f(const char *name, char *buf, unsigned len)
{
int i, nxt;
- for (i=0; env_get_char(i) != '\0'; i=nxt+1) {
+ for (i = 0; env_get_char(i) != '\0'; i = nxt + 1) {
int val, n;
- for (nxt=i; env_get_char(nxt) != '\0'; ++nxt) {
- if (nxt >= CONFIG_ENV_SIZE) {
- return (-1);
- }
+ for (nxt = i; env_get_char(nxt) != '\0'; ++nxt) {
+ if (nxt >= CONFIG_ENV_SIZE)
+ return -1;
}
- if ((val=envmatch((uchar *)name, i)) < 0)
+
+ val = envmatch((uchar *)name, i);
+ if (val < 0)
continue;
/* found; copy out */
- for (n=0; n<len; ++n, ++buf) {
- if ((*buf = env_get_char(val++)) == '\0')
+ for (n = 0; n < len; ++n, ++buf) {
+ *buf = env_get_char(val++);
+ if (*buf == '\0')
return n;
}
if (n)
*--buf = '\0';
- printf("env_buf too small [%d]\n", len);
+ printf("env_buf [%d bytes] too small for value of \"%s\"\n",
+ len, name);
return n;
}
- return (-1);
-}
-#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+ return -1;
+}
-int do_env_save (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+/**
+ * Decode the integer value of an environment variable and return it.
+ *
+ * @param name Name of environemnt 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 getenv_ulong(const char *name, int base, ulong default_val)
{
- extern char * env_name_spec;
+ /*
+ * We can use getenv() here, even before relocation, since the
+ * environment variable value is an integer and thus short.
+ */
+ const char *str = getenv(name);
+
+ return str ? simple_strtoul(str, NULL, base) : default_val;
+}
- printf ("Saving Environment to %s...\n", env_name_spec);
+#ifndef CONFIG_SPL_BUILD
+#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
+int do_env_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ printf("Saving Environment to %s...\n", env_name_spec);
- return (saveenv() ? 1 : 0);
+ return saveenv() ? 1 : 0;
}
U_BOOT_CMD(
"save environment variables to persistent storage",
""
);
-
#endif
+#endif /* CONFIG_SPL_BUILD */
/*
*
* s1 is either a simple 'name', or a 'name=value' pair.
* i2 is the environment index for a 'name2=value2' pair.
- * If the names match, return the index for the value2, else NULL.
+ * If the names match, return the index for the value2, else -1.
*/
-
-int envmatch (uchar *s1, int i2)
+int envmatch(uchar *s1, int i2)
{
-
while (*s1 == env_get_char(i2++))
if (*s1++ == '=')
- return(i2);
+ return i2;
+
if (*s1 == '\0' && env_get_char(i2-1) == '=')
- return(i2);
- return(-1);
+ return i2;
+
+ return -1;
}
-static int do_env_default(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+#ifndef CONFIG_SPL_BUILD
+static int do_env_default(cmd_tbl_t *cmdtp, int __flag,
+ int argc, char * const argv[])
{
- if ((argc != 2) || (strcmp(argv[1], "-f") != 0)) {
- return cmd_usage(cmdtp);
+ int all = 0, flag = 0;
+
+ debug("Initial value for argc=%d\n", argc);
+ while (--argc > 0 && **++argv == '-') {
+ char *arg = *argv;
+
+ while (*++arg) {
+ switch (*arg) {
+ case 'a': /* default all */
+ all = 1;
+ break;
+ case 'f': /* force */
+ flag |= H_FORCE;
+ break;
+ default:
+ return cmd_usage(cmdtp);
+ }
+ }
}
- set_default_env("## Resetting to default environment\n");
- return 0;
+ debug("Final value for argc=%d\n", argc);
+ if (all && (argc == 0)) {
+ /* Reset the whole environment */
+ set_default_env("## Resetting to default environment\n");
+ return 0;
+ }
+ if (!all && (argc > 0)) {
+ /* Reset individual variables */
+ set_default_vars(argc, argv);
+ return 0;
+ }
+
+ 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(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
{
printf("Not implemented yet\n");
return 0;
}
+#ifdef CONFIG_CMD_EXPORTENV
/*
- * env export [-t | -b | -c] addr [size]
+ * env export [-t | -b | -c] [-s size] addr [var ...]
* -t: export as text format; if size is given, data will be
* padded with '\0' bytes; if not, one terminating '\0'
* will be added (which is included in the "filesize"
* '\0', list end marked by double "\0\0")
* -c: export as checksum protected environment format as
* used for example by "saveenv" command
+ * -s size:
+ * size of output buffer
* addr: memory address where environment gets stored
- * size: size of output buffer
+ * var... List of variable names that get included into the
+ * export. Without arguments, the whole environment gets
+ * exported.
*
* With "-c" and size is NOT given, then the export command will
* format the data as currently used for the persistent storage,
*
* => 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(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
{
char buf[32];
char *addr, *cmd, *res;
- size_t size;
+ size_t size = 0;
ssize_t len;
env_t *envp;
char sep = '\n';
sep = '\0';
chk = 1;
break;
+ case 's': /* size given */
+ if (--argc <= 0)
+ return cmd_usage(cmdtp);
+ size = simple_strtoul(*++argv, NULL, 16);
+ goto NXTARG;
case 't': /* text format */
if (fmt++)
goto sep_err;
sep = '\n';
break;
default:
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
}
+NXTARG: ;
}
- if (argc < 1) {
- return cmd_usage(cmdtp);
- }
+ if (argc < 1)
+ return CMD_RET_USAGE;
addr = (char *)simple_strtoul(argv[0], NULL, 16);
- if (argc == 2) {
- size = simple_strtoul(argv[1], NULL, 16);
+ if (size)
memset(addr, '\0', size);
- } else {
- size = 0;
- }
+
+ argc--;
+ argv++;
if (sep) { /* export as text file */
- len = hexport_r(&env_htab, sep, &addr, size);
+ len = hexport_r(&env_htab, sep, &addr, size, argc, argv);
if (len < 0) {
- error("Cannot export environment: errno = %d\n",
- errno);
+ error("Cannot export environment: errno = %d\n", errno);
return 1;
}
- sprintf(buf, "%zX", len);
+ sprintf(buf, "%zX", (size_t)len);
setenv("filesize", buf);
return 0;
else /* export as raw binary data */
res = addr;
- len = hexport_r(&env_htab, '\0', &res, ENV_SIZE);
+ len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, argc, argv);
if (len < 0) {
- error("Cannot export environment: errno = %d\n",
- errno);
+ error("Cannot export environment: errno = %d\n", errno);
return 1;
}
if (chk) {
- envp->crc = crc32(0, envp->data, ENV_SIZE);
+ envp->crc = crc32(0, envp->data, ENV_SIZE);
#ifdef CONFIG_ENV_ADDR_REDUND
envp->flags = ACTIVE_FLAG;
#endif
}
- sprintf(buf, "%zX", len + offsetof(env_t,data));
+ sprintf(buf, "%zX", (size_t)(len + offsetof(env_t, data)));
setenv("filesize", buf);
return 0;
sep_err:
- printf("## %s: only one of \"-b\", \"-c\" or \"-t\" allowed\n",
- cmd);
+ printf("## %s: only one of \"-b\", \"-c\" or \"-t\" allowed\n", cmd);
return 1;
}
+#endif
+#ifdef CONFIG_CMD_IMPORTENV
/*
* env import [-d] [-t | -b | -c] addr [size]
* -d: delete existing environment before importing;
* size: length of input data; if missing, proper '\0'
* termination is mandatory
*/
-static int do_env_import(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_env_import(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
{
char *cmd, *addr;
char sep = '\n';
del = 1;
break;
default:
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
}
}
- if (argc < 1) {
- return cmd_usage(cmdtp);
- }
+ if (argc < 1)
+ return CMD_RET_USAGE;
if (!fmt)
printf("## Warning: defaulting to text format\n");
printf("## Warning: Input data exceeds %d bytes"
" - truncated\n", MAX_ENV_SIZE);
}
- ++size;
- printf("## Info: input data size = %zd = 0x%zX\n", size, size);
+ size += 2;
+ printf("## Info: input data size = %zu = 0x%zX\n", size, size);
}
if (chk) {
addr = (char *)ep->data;
}
- if (himport_r(&env_htab, addr, size, sep, del ? 0 : H_NOCLEAR) == 0) {
+ if (himport_r(&env_htab, addr, size, sep, del ? 0 : H_NOCLEAR,
+ 0, NULL, 0 /* do_apply */) == 0) {
error("Environment import failed: errno = %d\n", errno);
return 1;
}
cmd);
return 1;
}
-
-#if defined(CONFIG_CMD_RUN)
-extern int do_run (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#endif
/*
#if defined(CONFIG_CMD_EDITENV)
U_BOOT_CMD_MKENT(edit, 2, 0, do_env_edit, "", ""),
#endif
+#if defined(CONFIG_CMD_EXPORTENV)
U_BOOT_CMD_MKENT(export, 4, 0, do_env_export, "", ""),
+#endif
+#if defined(CONFIG_CMD_GREPENV)
+ U_BOOT_CMD_MKENT(grep, CONFIG_SYS_MAXARGS, 1, do_env_grep, "", ""),
+#endif
+#if defined(CONFIG_CMD_IMPORTENV)
U_BOOT_CMD_MKENT(import, 5, 0, do_env_import, "", ""),
+#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
-static int do_env (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_env(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *cp;
if (argc < 2)
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
/* drop initial "env" arg */
argc--;
if (cp)
return cp->cmd(cmdtp, flag, argc, argv);
- return cmd_usage(cmdtp);
+ return CMD_RET_USAGE;
}
U_BOOT_CMD(
#if defined(CONFIG_CMD_ASKENV)
"ask name [message] [size] - ask for environment variable\nenv "
#endif
- "default -f - reset default environment\n"
+ "default [-f] -a - [forcibly] reset default environment\n"
+ "env default [-f] var [...] - [forcibly] reset variable(s) to their default values\n"
#if defined(CONFIG_CMD_EDITENV)
"env edit name - edit environment variable\n"
#endif
- "env export [-t | -b | -c] addr [size] - export environmnt\n"
- "env import [-d] [-t | -b | -c] addr [size] - import environmnt\n"
+#if defined(CONFIG_CMD_EXPORTENV)
+ "env export [-t | -b | -c] [-s size] addr [var ...] - export environment\n"
+#endif
+#if defined(CONFIG_CMD_GREPENV)
+ "env grep string [...] - search environment\n"
+#endif
+#if defined(CONFIG_CMD_IMPORTENV)
+ "env import [-d] [-t | -b | -c] addr [size] - import environment\n"
+#endif
"env print [name ...] - print environment\n"
#if defined(CONFIG_CMD_RUN)
"env run var [...] - run commands in an environment variable\n"
#endif
+#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
"env save - save environment\n"
+#endif
"env set [-f] name [arg ...]\n"
);
var_complete
);
+#ifdef CONFIG_CMD_GREPENV
+U_BOOT_CMD_COMPLETE(
+ grepenv, CONFIG_SYS_MAXARGS, 0, do_env_grep,
+ "search environment variables",
+ "string ...\n"
+ " - list environment name=value pairs matching 'string'",
+ var_complete
+);
+#endif
+
U_BOOT_CMD_COMPLETE(
setenv, CONFIG_SYS_MAXARGS, 0, do_env_set,
"set environment variables",
var_complete
);
#endif
+#endif /* CONFIG_SPL_BUILD */
projects / karo-tx-uboot.git / blobdiff