*
* (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_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)
# error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\
-SPI_FLASH|MG_DISK|NVRAM|MMC|NOWHERE}
+SPI_FLASH|MG_DISK|NVRAM|MMC} 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;
}
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;
}
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_usage(cmdtp);
+
+ 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
+
/*
* Set a new environment variable,
* or replace or delete an existing one.
name = argv[1];
if (strchr(name, '=')) {
- printf ("## Error: illegal character '=' in variable name \"%s\"\n", name);
+ printf("## Error: illegal character '=' in variable name \"%s\"\n", name);
return 1;
}
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! */
return i;
#else
/* Try assigning specified device */
- if (console_assign (console, argv[2]) < 0)
+ if (console_assign(console, argv[2]) < 0)
return 1;
#ifdef CONFIG_SERIAL_MULTI
- if (serial_assign (argv[2]) < 0)
+ if (serial_assign(argv[2]) < 0)
return 1;
#endif
#endif /* CONFIG_CONSOLE_MUX */
*/
if (ep) { /* variable exists */
#ifndef CONFIG_ENV_OVERWRITE
- if ((strcmp (name, "serial#") == 0) ||
- ((strcmp (name, "ethaddr") == 0)
+ 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(ep->data, 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
/*
* Switch to new baudrate if new baudrate is supported
*/
- if (strcmp(name,"baudrate") == 0) {
+ if (strcmp(name, "baudrate") == 0) {
int baudrate = simple_strtoul(argv[2], 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",
+ printf("## Baudrate %d bps not supported\n",
baudrate);
return 1;
}
gd->bd->bi_baudrate = baudrate;
#endif
- serial_setbrg ();
+ serial_setbrg();
udelay(50000);
for (;;) {
if (getc() == '\r')
- break;
+ break;
}
}
}
/*
* 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')
* entry in the environment is changed
*/
- if (strcmp(name,"ipaddr") == 0) {
+ 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) {
+ for (addr = 0, i = 0; i < 4; ++i) {
ulong val = s ? simple_strtoul(s, &e, 10) : 0;
addr <<= 8;
addr |= (val & 0xFF);
}
bd->bi_ip_addr = htonl(addr);
return 0;
- } else if (strcmp(argv[1],"loadaddr") == 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));
+ 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 };
+ const char * const argv[4] = { "setenv", varname, varvalue, NULL };
+
if ((varvalue == NULL) || (varvalue[0] == '\0'))
- return _do_env_set(0, 2, argv);
+ 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);
+}
+
+/**
+ * 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, "%x", (uintptr_t)addr);
+ return setenv(varname, str);
}
-int do_env_set (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
if (argc < 2)
return cmd_usage(cmdtp);
* 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];
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]);
pos += strlen(argv[i]);
}
{
char buffer[CONFIG_SYS_CBSIZE];
char *init_val;
- int len;
if (argc < 2)
return cmd_usage(cmdtp);
/* 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';
* 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 */
ENTRY e, *ep;
e.data = NULL;
hsearch_r(e, FIND, &ep, &env_htab);
- return (ep ? ep->data : NULL);
+ return ep ? ep->data : NULL;
}
/* restricted capabilities before import */
/*
* 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) {
+ for (n = 0; n < len; ++n, ++buf) {
if ((*buf = env_get_char(val++)) == '\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);
+ return -1;
+}
+
+/**
+ * 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)
+{
+ /*
+ * 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;
}
#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[])
+int do_env_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- extern char * env_name_spec;
+ extern char *env_name_spec;
- printf ("Saving Environment to %s...\n", env_name_spec);
+ printf("Saving Environment to %s...\n", env_name_spec);
- return (saveenv() ? 1 : 0);
+ return saveenv() ? 1 : 0;
}
U_BOOT_CMD(
* If the names match, return the index for the value2, else NULL.
*/
-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[])
+static int do_env_default(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- if ((argc != 2) || (strcmp(argv[1], "-f") != 0)) {
+ if ((argc != 2) || (strcmp(argv[1], "-f") != 0))
return cmd_usage(cmdtp);
- }
+
set_default_env("## Resetting to default environment\n");
return 0;
}
-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;
}
}
- if (argc < 1) {
+ if (argc < 1)
return cmd_usage(cmdtp);
- }
addr = (char *)simple_strtoul(argv[0], NULL, 16);
envp->flags = ACTIVE_FLAG;
#endif
}
- sprintf(buf, "%zX", (size_t)(len + offsetof(env_t,data)));
+ sprintf(buf, "%zX", (size_t)(len + offsetof(env_t, data)));
setenv("filesize", buf);
return 0;
* 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';
}
}
- if (argc < 1) {
+ if (argc < 1)
return cmd_usage(cmdtp);
- }
if (!fmt)
printf("## Warning: defaulting to text format\n");
#endif
#if defined(CONFIG_CMD_RUN)
-extern int do_run (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+extern int do_run(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
#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
}
#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 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"
+ "env export [-t | -b | -c] addr [size] - export environment\n"
+#if defined(CONFIG_CMD_GREPENV)
+ "env grep string [...] - search environment\n"
+#endif
+ "env import [-d] [-t | -b | -c] addr [size] - import environment\n"
"env print [name ...] - print environment\n"
#if defined(CONFIG_CMD_RUN)
"env run var [...] - run commands in an environment variable\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",
projects / karo-tx-uboot.git / blobdiff