#include <errno.h>
#include <malloc.h>
#include <watchdog.h>
-#include <serial.h>
#include <linux/stddef.h>
#include <asm/byteorder.h>
-#if defined(CONFIG_CMD_NET)
-#include <net.h>
-#endif
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
/*
*/
#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 const unsigned long baudrate_table[] = CONFIG_SYS_BAUDRATE_TABLE;
-#define N_BAUDRATES (sizeof(baudrate_table) / sizeof(baudrate_table[0]))
-
/*
* This variable is incremented on each do_env_set(), so it can
* be used via get_env_id() as an indication, if the environment
*
* Returns 0 in case of error, or length of printed string
*/
-static int env_print(char *name)
+static int env_print(char *name, int flag)
{
char *res = NULL;
size_t len;
e.key = name;
e.data = NULL;
- hsearch_r(e, FIND, &ep, &env_htab, 0);
+ hsearch_r(e, FIND, &ep, &env_htab, flag);
if (ep == NULL)
return 0;
len = printf("%s=%s\n", ep->key, ep->data);
}
/* print whole list */
- len = hexport_r(&env_htab, '\n', &res, 0, 0, NULL);
+ len = hexport_r(&env_htab, '\n', flag, &res, 0, 0, NULL);
if (len > 0) {
puts(res);
{
int i;
int rcode = 0;
+ int env_flag = H_HIDE_DOT;
+
+ if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'a') {
+ argc--;
+ argv++;
+ env_flag &= ~H_HIDE_DOT;
+ }
if (argc == 1) {
/* print all env vars */
- rcode = env_print(NULL);
+ rcode = env_print(NULL, env_flag);
if (!rcode)
return 1;
printf("\nEnvironment size: %d/%ld bytes\n",
}
/* print selected env vars */
+ env_flag &= ~H_HIDE_DOT;
for (i = 1; i < argc; ++i) {
- int rc = env_print(argv[i]);
+ int rc = env_print(argv[i], env_flag);
if (!rc) {
printf("## Error: \"%s\" not defined\n", argv[i]);
++rcode;
#endif
#endif /* CONFIG_SPL_BUILD */
-/*
- * 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 env_check_apply(const char *name, const char *oldval,
- const char *newval, int flag)
-{
- int console = -1;
-
- /* Default value for NULL to protect string-manipulating functions */
- newval = newval ? : "";
-
- /* Check for console redirection */
- if (strcmp(name, "stdin") == 0)
- console = stdin;
- else if (strcmp(name, "stdout") == 0)
- console = stdout;
- else if (strcmp(name, "stderr") == 0)
- console = stderr;
-
- if (console != -1 && (gd->flags & GD_FLG_DEVINIT) != 0) {
- 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
- if (iomux_doenv(console, newval))
- return 1;
-#else
- /* Try assigning specified device */
- if (console_assign(console, newval) < 0)
- return 1;
-#endif /* CONFIG_CONSOLE_MUX */
- }
-
- /*
- * Some variables like "ethaddr" and "serial#" can be set only once and
- * cannot be deleted, unless CONFIG_ENV_OVERWRITE is defined.
- */
-#ifndef CONFIG_ENV_OVERWRITE
- 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(oldval, __stringify(CONFIG_ETHADDR)) != 0
-#endif /* CONFIG_OVERWRITE_ETHADDR_ONCE && CONFIG_ETHADDR */
- )) {
- 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(newval, NULL, 10);
- int i;
- for (i = 0; i < N_BAUDRATES; ++i) {
- if (baudrate == baudrate_table[i])
- break;
- }
- if (i == N_BAUDRATES) {
- if ((flag & H_FORCE) == 0)
- printf("## Baudrate %d bps not "
- "supported\n", baudrate);
- return 1;
- }
- 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();
- udelay(50000);
- 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.
-*/
+ */
static int _do_env_set(int flag, int argc, char * const argv[])
{
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) == '-') {
+ char *arg = *++argv;
+
+ --argc;
+ while (*++arg) {
+ switch (*arg) {
+ case 'f': /* force */
+ env_flag |= H_FORCE;
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+ }
+ }
+ debug("Final value for argc=%d\n", argc);
name = argv[1];
value = argv[2];
}
env_id++;
- /*
- * search if variable with this name already exists
- */
- e.key = name;
- e.data = NULL;
- hsearch_r(e, FIND, &ep, &env_htab, 0);
-
- /*
- * Perform requested checks.
- */
- if (env_check_apply(name, ep ? ep->data : NULL, value, 0)) {
- 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, H_INTERACTIVE);
+ int rc = hdelete_r(name, &env_htab, env_flag);
return !rc;
}
e.key = name;
e.data = value;
- hsearch_r(e, ENTER, &ep, &env_htab, H_INTERACTIVE);
+ hsearch_r(e, ENTER, &ep, &env_htab, env_flag);
free(value);
if (!ep) {
printf("## Error inserting \"%s\" variable, errno=%d\n",
{
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);
else
}
/**
- * Set an environment variable to an address in hex
+ * Set an environment variable to an value in hex
*
* @param varname Environmet variable to set
- * @param addr Value to set it to
+ * @param value Value to set it to
* @return 0 if ok, 1 on error
*/
-int setenv_addr(const char *varname, const void *addr)
+int setenv_hex(const char *varname, ulong value)
{
char str[17];
- sprintf(str, "%lx", (uintptr_t)addr);
+ sprintf(str, "%lx", value);
return setenv(varname, str);
}
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)
}
#endif
+#if defined(CONFIG_CMD_ENV_CALLBACK)
+static int print_static_binding(const char *var_name, const char *callback_name)
+{
+ printf("\t%-20s %-20s\n", var_name, callback_name);
+
+ return 0;
+}
+
+static int print_active_callback(ENTRY *entry)
+{
+ struct env_clbk_tbl *clbkp;
+ int i;
+ int num_callbacks;
+
+ if (entry->callback == NULL)
+ return 0;
+
+ /* look up the callback in the linker-list */
+ num_callbacks = ll_entry_count(struct env_clbk_tbl, env_clbk);
+ for (i = 0, clbkp = ll_entry_start(struct env_clbk_tbl, env_clbk);
+ i < num_callbacks;
+ i++, clbkp++) {
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+ if (entry->callback == clbkp->callback + gd->reloc_off)
+#else
+ if (entry->callback == clbkp->callback)
+#endif
+ break;
+ }
+
+ if (i == num_callbacks)
+ /* this should probably never happen, but just in case... */
+ printf("\t%-20s %p\n", entry->key, entry->callback);
+ else
+ printf("\t%-20s %-20s\n", entry->key, clbkp->name);
+
+ return 0;
+}
+
+/*
+ * 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[])
+{
+ struct env_clbk_tbl *clbkp;
+ int i;
+ int num_callbacks;
+
+ /* Print the available callbacks */
+ puts("Available callbacks:\n");
+ puts("\tCallback Name\n");
+ puts("\t-------------\n");
+ num_callbacks = ll_entry_count(struct env_clbk_tbl, env_clbk);
+ for (i = 0, clbkp = ll_entry_start(struct env_clbk_tbl, env_clbk);
+ i < num_callbacks;
+ i++, clbkp++)
+ printf("\t%s\n", clbkp->name);
+ puts("\n");
+
+ /* Print the static bindings that may exist */
+ 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);
+ puts("\n");
+
+ /* walk through each variable and print the callback if it has one */
+ puts("Active callback bindings:\n");
+ printf("\t%-20s %-20s\n", "Variable Name", "Callback Name");
+ printf("\t%-20s %-20s\n", "-------------", "-------------");
+ hwalk_r(&env_htab, print_active_callback);
+ return 0;
+}
+#endif
+
+#if defined(CONFIG_CMD_ENV_FLAGS)
+static int print_static_flags(const char *var_name, const char *flags)
+{
+ enum env_flags_vartype type = env_flags_parse_vartype(flags);
+ enum env_flags_varaccess access = env_flags_parse_varaccess(flags);
+
+ printf("\t%-20s %-20s %-20s\n", var_name,
+ env_flags_get_vartype_name(type),
+ env_flags_get_varaccess_name(access));
+
+ return 0;
+}
+
+static int print_active_flags(ENTRY *entry)
+{
+ enum env_flags_vartype type;
+ enum env_flags_varaccess access;
+
+ if (entry->flags == 0)
+ return 0;
+
+ type = (enum env_flags_vartype)
+ (entry->flags & ENV_FLAGS_VARTYPE_BIN_MASK);
+ access = env_flags_parse_varaccess_from_binflags(entry->flags);
+ printf("\t%-20s %-20s %-20s\n", entry->key,
+ env_flags_get_vartype_name(type),
+ env_flags_get_varaccess_name(access));
+
+ return 0;
+}
+
+/*
+ * Print the flags available and what variables have flags
+ */
+int do_env_flags(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ /* Print the available variable types */
+ printf("Available variable type flags (position %d):\n",
+ ENV_FLAGS_VARTYPE_LOC);
+ puts("\tFlag\tVariable Type Name\n");
+ puts("\t----\t------------------\n");
+ env_flags_print_vartypes();
+ puts("\n");
+
+ /* Print the available variable access types */
+ printf("Available variable access flags (position %d):\n",
+ ENV_FLAGS_VARACCESS_LOC);
+ puts("\tFlag\tVariable Access Name\n");
+ puts("\t----\t--------------------\n");
+ env_flags_print_varaccess();
+ puts("\n");
+
+ /* Print the static flags that may exist */
+ puts("Static flags:\n");
+ printf("\t%-20s %-20s %-20s\n", "Variable Name", "Variable Type",
+ "Variable Access");
+ printf("\t%-20s %-20s %-20s\n", "-------------", "-------------",
+ "---------------");
+ env_attr_walk(ENV_FLAGS_LIST_STATIC, print_static_flags);
+ puts("\n");
+
+ /* walk through each variable and print the flags if non-default */
+ puts("Active flags:\n");
+ printf("\t%-20s %-20s %-20s\n", "Variable Name", "Variable Type",
+ "Variable Access");
+ printf("\t%-20s %-20s %-20s\n", "-------------", "-------------",
+ "---------------");
+ hwalk_r(&env_htab, print_active_flags);
+ return 0;
+}
+#endif
+
/*
* Interactively edit an environment variable
*/
else
buffer[0] = '\0';
- readline_into_buffer("edit: ", buffer, 0);
+ if (readline_into_buffer("edit: ", buffer, 0) < 0)
+ return 1;
return setenv(argv[1], buffer);
}
static int do_env_delete(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[])
{
- printf("Not implemented yet\n");
- return 0;
+ int env_flag = H_INTERACTIVE;
+ int ret = 0;
+
+ debug("Initial value for argc=%d\n", argc);
+ while (argc > 1 && **(argv + 1) == '-') {
+ char *arg = *++argv;
+
+ --argc;
+ while (*++arg) {
+ switch (*arg) {
+ case 'f': /* force */
+ env_flag |= H_FORCE;
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+ }
+ }
+ debug("Final value for argc=%d\n", argc);
+
+ env_id++;
+
+ while (--argc > 0) {
+ char *name = *++argv;
+
+ if (!hdelete_r(name, &env_htab, env_flag))
+ ret = 1;
+ }
+
+ return ret;
}
#ifdef CONFIG_CMD_EXPORTENV
argv++;
if (sep) { /* export as text file */
- len = hexport_r(&env_htab, sep, &addr, size, argc, argv);
+ len = hexport_r(&env_htab, sep, 0, &addr, size, argc, argv);
if (len < 0) {
error("Cannot export environment: errno = %d\n", errno);
return 1;
else /* export as raw binary data */
res = addr;
- len = hexport_r(&env_htab, '\0', &res, ENV_SIZE, argc, argv);
+ len = hexport_r(&env_htab, '\0', 0, &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;
U_BOOT_CMD_MKENT(ask, CONFIG_SYS_MAXARGS, 1, do_env_ask, "", ""),
#endif
U_BOOT_CMD_MKENT(default, 1, 0, do_env_default, "", ""),
- U_BOOT_CMD_MKENT(delete, 2, 0, do_env_delete, "", ""),
+ U_BOOT_CMD_MKENT(delete, CONFIG_SYS_MAXARGS, 0, do_env_delete, "", ""),
#if defined(CONFIG_CMD_EDITENV)
U_BOOT_CMD_MKENT(edit, 2, 0, do_env_edit, "", ""),
#endif
+#if defined(CONFIG_CMD_ENV_CALLBACK)
+ U_BOOT_CMD_MKENT(callbacks, 1, 0, do_env_callback, "", ""),
+#endif
+#if defined(CONFIG_CMD_ENV_FLAGS)
+ U_BOOT_CMD_MKENT(flags, 1, 0, do_env_flags, "", ""),
+#endif
#if defined(CONFIG_CMD_EXPORTENV)
U_BOOT_CMD_MKENT(export, 4, 0, do_env_export, "", ""),
#endif
static char env_help_text[] =
#if defined(CONFIG_CMD_ASKENV)
"ask name [message] [size] - ask for environment variable\nenv "
+#endif
+#if defined(CONFIG_CMD_ENV_CALLBACK)
+ "callbacks - print callbacks and their associated variables\nenv "
#endif
"default [-f] -a - [forcibly] reset default environment\n"
"env default [-f] var [...] - [forcibly] reset variable(s) to their default values\n"
+ "env delete [-f] var [...] - [forcibly] delete variable(s)\n"
#if defined(CONFIG_CMD_EDITENV)
"env edit name - edit environment variable\n"
#endif
#if defined(CONFIG_CMD_EXPORTENV)
"env export [-t | -b | -c] [-s size] addr [var ...] - export environment\n"
#endif
+#if defined(CONFIG_CMD_ENV_FLAGS)
+ "env flags - print variables that have non-default flags\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"
+ "env print [-a | name ...] - print environment\n"
#if defined(CONFIG_CMD_RUN)
"env run var [...] - run commands in an environment variable\n"
#endif
U_BOOT_CMD_COMPLETE(
printenv, CONFIG_SYS_MAXARGS, 1, do_env_print,
"print environment variables",
- "\n - print values of all environment variables\n"
+ "[-a]\n - print [all] values of all environment variables\n"
"printenv name ...\n"
" - print value of environment variable 'name'",
var_complete
U_BOOT_CMD_COMPLETE(
setenv, CONFIG_SYS_MAXARGS, 0, do_env_set,
"set environment variables",
- "name value ...\n"
- " - set environment variable 'name' to 'value ...'\n"
- "setenv name\n"
- " - delete environment variable 'name'",
+ "[-f] name value ...\n"
+ " - [forcibly] set environment variable 'name' to 'value ...'\n"
+ "setenv [-f] name\n"
+ " - [forcibly] delete environment variable 'name'",
var_complete
);
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