#include <common.h>
#include <command.h>
#include <environment.h>
+#if defined(CONFIG_CMD_EDITENV)
+#include <malloc.h>
+#endif
#include <watchdog.h>
#include <serial.h>
#include <linux/stddef.h>
DECLARE_GLOBAL_DATA_PTR;
-#if !defined(CONFIG_ENV_IS_IN_NVRAM) && \
- !defined(CONFIG_ENV_IS_IN_EEPROM) && \
+#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_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_{NVRAM|EEPROM|FLASH|DATAFLASH|ONENAND|SPI_FLASH|NOWHERE}
+# error Define one of CONFIG_ENV_IS_IN_{EEPROM|FLASH|DATAFLASH|ONENAND|\
+SPI_FLASH|MG_DISK|NVRAM|NOWHERE}
#endif
#define XMK_STR(x) #x
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_setenv (), so it can
+ * be used via get_env_id() as an indication, if the environment
+ * has changed or not. So it is possible to reread an environment
+ * variable only if the environment was changed ... done so for
+ * example in NetInitLoop()
+ */
+static int env_id = 1;
+int get_env_id (void)
+{
+ return env_id;
+}
/************************************************************************
* Command interface: print one or all environment variables
*/
-int do_printenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+/*
+ * state 0: finish printing this string and return (matched!)
+ * state 1: no matching to be done; print everything
+ * state 2: continue searching for matched name
+ */
+static int printenv(char *name, int state)
{
- int i, j, k, nxt;
- int rcode = 0;
-
- if (argc == 1) { /* Print all env variables */
- for (i=0; env_get_char(i) != '\0'; i=nxt+1) {
- for (nxt=i; env_get_char(nxt) != '\0'; ++nxt)
- ;
- for (k=i; k<nxt; ++k)
- putc(env_get_char(k));
- putc ('\n');
-
- if (ctrlc()) {
- puts ("\n ** Abort\n");
- return 1;
+ int i, j;
+ char c, buf[17];
+
+ i = 0;
+ buf[16] = '\0';
+
+ while (state && env_get_char(i) != '\0') {
+ if (state == 2 && envmatch((uchar *)name, i) >= 0)
+ state = 0;
+
+ j = 0;
+ do {
+ buf[j++] = c = env_get_char(i++);
+ if (j == sizeof(buf) - 1) {
+ if (state <= 1)
+ puts(buf);
+ j = 0;
}
- }
+ } while (c != '\0');
- printf("\nEnvironment size: %d/%ld bytes\n",
- i, (ulong)ENV_SIZE);
+ if (state <= 1) {
+ if (j)
+ puts(buf);
+ putc('\n');
+ }
- return 0;
+ if (ctrlc())
+ return -1;
}
- for (i=1; i<argc; ++i) { /* print single env variables */
- char *name = argv[i];
+ if (state == 0)
+ i = 0;
+ return i;
+}
- k = -1;
+int do_printenv (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int i;
+ int rcode = 0;
- for (j=0; env_get_char(j) != '\0'; j=nxt+1) {
+ if (argc == 1) {
+ /* print all env vars */
+ rcode = printenv(NULL, 1);
+ if (rcode < 0)
+ return 1;
+ printf("\nEnvironment size: %d/%ld bytes\n",
+ rcode, (ulong)ENV_SIZE);
+ return 0;
+ }
- for (nxt=j; env_get_char(nxt) != '\0'; ++nxt)
- ;
- k = envmatch((uchar *)name, j);
- if (k < 0) {
- continue;
- }
- puts (name);
- putc ('=');
- while (k < nxt)
- putc(env_get_char(k++));
- putc ('\n');
- break;
- }
- if (k < 0) {
- printf ("## Error: \"%s\" not defined\n", name);
- rcode ++;
+ /* print selected env vars */
+ for (i = 1; i < argc; ++i) {
+ char *name = argv[i];
+ if (printenv(name, 2)) {
+ printf("## Error: \"%s\" not defined\n", name);
+ ++rcode;
}
}
+
return rcode;
}
* This function will ONLY work with a in-RAM copy of the environment
*/
-int _do_setenv (int flag, int argc, char *argv[])
+int _do_setenv (int flag, int argc, char * const argv[])
{
int i, len, oldval;
int console = -1;
return 1;
}
+ env_id++;
/*
* search if variable with this name already exists
*/
break;
}
+ /* 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) {
+ if (argc < 3) { /* Cannot delete it! */
+ printf("Can't delete \"%s\"\n", name);
+ return 1;
+ }
+
+#ifdef CONFIG_CONSOLE_MUX
+ i = iomux_doenv(console, argv[2]);
+ if (i)
+ return i;
+#else
+ /* Try assigning specified device */
+ if (console_assign (console, argv[2]) < 0)
+ return 1;
+
+#ifdef CONFIG_SERIAL_MULTI
+ if (serial_assign (argv[2]) < 0)
+ return 1;
+#endif
+#endif /* CONFIG_CONSOLE_MUX */
+ }
+
/*
* Delete any existing definition
*/
}
#endif
- /* 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) {
- if (argc < 3) { /* Cannot delete it! */
- printf("Can't delete \"%s\"\n", name);
- return 1;
- }
-
-#ifdef CONFIG_CONSOLE_MUX
- i = iomux_doenv(console, argv[2]);
- if (i)
- return i;
-#else
- /* Try assigning specified device */
- if (console_assign (console, argv[2]) < 0)
- return 1;
-
-#ifdef CONFIG_SERIAL_MULTI
- if (serial_assign (argv[2]) < 0)
- return 1;
-#endif
-#endif /* CONFIG_CONSOLE_MUX */
- }
-
/*
* Switch to new baudrate if new baudrate is supported
*/
*++env = '\0';
}
-#ifdef CONFIG_NET_MULTI
- if (strncmp(name, "eth", 3) == 0) {
- char *end;
- int num = simple_strtoul(name+3, &end, 10);
-
- if (strcmp(end, "addr") == 0) {
- eth_set_enetaddr(num, argv[2]);
- }
- }
-#endif
-
-
/* Delete only ? */
if ((argc < 3) || argv[2] == NULL) {
env_crc_update ();
* entry in the enviornment is changed
*/
- if (strcmp(argv[1],"ethaddr") == 0) {
- char *s = argv[2]; /* always use only one arg */
- char *e;
- for (i=0; i<6; ++i) {
- bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
- if (s) s = (*e) ? e+1 : e;
- }
-#ifdef CONFIG_NET_MULTI
- eth_set_enetaddr(0, argv[2]);
-#endif
+ if (strcmp(argv[1],"ethaddr") == 0)
return 0;
- }
if (strcmp(argv[1],"ipaddr") == 0) {
char *s = argv[2]; /* always use only one arg */
return 0;
}
#endif
-
-#ifdef CONFIG_AMIGAONEG3SE
- if (strcmp(argv[1], "vga_fg_color") == 0 ||
- strcmp(argv[1], "vga_bg_color") == 0 ) {
- extern void video_set_color(unsigned char attr);
- extern unsigned char video_get_attr(void);
-
- video_set_color(video_get_attr());
- return 0;
- }
-#endif /* CONFIG_AMIGAONEG3SE */
-
return 0;
}
int setenv (char *varname, char *varvalue)
{
- char *argv[4] = { "setenv", varname, varvalue, NULL };
- if (varvalue == NULL)
+ char * const argv[4] = { "setenv", varname, varvalue, NULL };
+ if ((varvalue == NULL) || (varvalue[0] == '\0'))
return _do_setenv (0, 2, argv);
else
return _do_setenv (0, 3, argv);
#ifdef CONFIG_HAS_UID
void forceenv (char *varname, char *varvalue)
{
- char *argv[4] = { "forceenv", varname, varvalue, NULL };
+ char * const argv[4] = { "forceenv", varname, varvalue, NULL };
_do_setenv (0xdeaf4add, 3, argv);
}
#endif
-int do_setenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_setenv (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- if (argc < 2) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
return _do_setenv (flag, argc, argv);
}
*/
#if defined(CONFIG_CMD_ASKENV)
-int do_askenv ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_askenv ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
extern char console_buffer[CONFIG_SYS_CBSIZE];
char message[CONFIG_SYS_CBSIZE];
local_args[2] = NULL;
local_args[3] = NULL;
- if (argc < 2) {
- cmd_usage(cmdtp);
- return 1;
- }
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
/* Check the syntax */
switch (argc) {
case 1:
- cmd_usage(cmdtp);
- return 1;
+ return cmd_usage(cmdtp);
case 2: /* askenv envname */
sprintf (message, "Please enter '%s':", argv[1]);
}
#endif
+/************************************************************************
+ * Interactively edit an environment variable
+ */
+#if defined(CONFIG_CMD_EDITENV)
+int do_editenv(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ 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);
+ else
+ buffer[0] = '\0';
+
+ readline_into_buffer("edit: ", buffer);
+
+ return setenv(argv[1], buffer);
+}
+#endif /* CONFIG_CMD_EDITENV */
+
/************************************************************************
* Look up variable from environment,
* return address of storage for that variable,
return (NULL);
}
-int getenv_r (char *name, char *buf, unsigned len)
+int getenv_f(char *name, char *buf, unsigned len)
{
int i, nxt;
#if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
-int do_saveenv (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+int do_saveenv (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
extern char * env_name_spec;
U_BOOT_CMD(
saveenv, 1, 0, do_saveenv,
"save environment variables to persistent storage",
- NULL
+ ""
);
#endif
/**************************************************/
+#if defined(CONFIG_CMD_EDITENV)
+U_BOOT_CMD(
+ editenv, 2, 0, do_editenv,
+ "edit environment variable",
+ "name\n"
+ " - edit environment variable 'name'"
+);
+#endif
+
U_BOOT_CMD(
printenv, CONFIG_SYS_MAXARGS, 1, do_printenv,
"print environment variables",
"\n - print values of all environment variables\n"
"printenv name ...\n"
- " - print value of environment variable 'name'\n"
+ " - print value of environment variable 'name'"
);
U_BOOT_CMD(
"name value ...\n"
" - set environment variable 'name' to 'value ...'\n"
"setenv name\n"
- " - delete environment variable 'name'\n"
+ " - delete environment variable 'name'"
);
#if defined(CONFIG_CMD_ASKENV)
" - 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)\n"
+ "from stdin (max 'size' chars)"
);
#endif
#if defined(CONFIG_CMD_RUN)
-int do_run (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+int do_run (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
U_BOOT_CMD(
run, CONFIG_SYS_MAXARGS, 1, do_run,
"run commands in an environment variable",
"var [...]\n"
- " - run the commands in the environment variable(s) 'var'\n"
+ " - run the commands in the environment variable(s) 'var'"
);
#endif
projects / oweals / u-boot.git / blobdiff