* (C) Copyright 2000-2009
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <command.h>
-
-int
-do_version (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- extern char version_string[];
- printf ("\n%s\n", version_string);
- return 0;
-}
-
-U_BOOT_CMD(
- version, 1, 1, do_version,
- "print monitor version",
- ""
-);
-
-#if defined(CONFIG_CMD_ECHO)
-
-int
-do_echo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- int i, putnl = 1;
-
- for (i = 1; i < argc; i++) {
- char *p = argv[i], c;
-
- if (i > 1)
- putc(' ');
- while ((c = *p++) != '\0') {
- if (c == '\\' && *p == 'c') {
- putnl = 0;
- p++;
- } else {
- putc(c);
- }
- }
- }
-
- if (putnl)
- putc('\n');
- return 0;
-}
-
-U_BOOT_CMD(
- echo, CONFIG_SYS_MAXARGS, 1, do_echo,
- "echo args to console",
- "[args..]\n"
- " - echo args to console; \\c suppresses newline"
-);
-
-#endif
-
-#ifdef CONFIG_SYS_HUSH_PARSER
-
-int
-do_test (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- char **ap;
- int left, adv, expr, last_expr, neg, last_cmp;
-
- /* args? */
- if (argc < 3)
- return 1;
-
-#if 0
- {
- printf("test:");
- left = 1;
- while (argv[left])
- printf(" %s", argv[left++]);
- }
-#endif
-
- last_expr = 0;
- left = argc - 1; ap = argv + 1;
- if (left > 0 && strcmp(ap[0], "!") == 0) {
- neg = 1;
- ap++;
- left--;
- } else
- neg = 0;
-
- expr = -1;
- last_cmp = -1;
- last_expr = -1;
- while (left > 0) {
-
- if (strcmp(ap[0], "-o") == 0 || strcmp(ap[0], "-a") == 0)
- adv = 1;
- else if (strcmp(ap[0], "-z") == 0 || strcmp(ap[0], "-n") == 0)
- adv = 2;
- else
- adv = 3;
-
- if (left < adv) {
- expr = 1;
- break;
- }
-
- if (adv == 1) {
- if (strcmp(ap[0], "-o") == 0) {
- last_expr = expr;
- last_cmp = 0;
- } else if (strcmp(ap[0], "-a") == 0) {
- last_expr = expr;
- last_cmp = 1;
- } else {
- expr = 1;
- break;
- }
- }
-
- if (adv == 2) {
- if (strcmp(ap[0], "-z") == 0)
- expr = strlen(ap[1]) == 0 ? 1 : 0;
- else if (strcmp(ap[0], "-n") == 0)
- expr = strlen(ap[1]) == 0 ? 0 : 1;
- else {
- expr = 1;
- break;
- }
-
- if (last_cmp == 0)
- expr = last_expr || expr;
- else if (last_cmp == 1)
- expr = last_expr && expr;
- last_cmp = -1;
- }
-
- if (adv == 3) {
- if (strcmp(ap[1], "=") == 0)
- expr = strcmp(ap[0], ap[2]) == 0;
- else if (strcmp(ap[1], "!=") == 0)
- expr = strcmp(ap[0], ap[2]) != 0;
- else if (strcmp(ap[1], ">") == 0)
- expr = strcmp(ap[0], ap[2]) > 0;
- else if (strcmp(ap[1], "<") == 0)
- expr = strcmp(ap[0], ap[2]) < 0;
- else if (strcmp(ap[1], "-eq") == 0)
- expr = simple_strtol(ap[0], NULL, 10) == simple_strtol(ap[2], NULL, 10);
- else if (strcmp(ap[1], "-ne") == 0)
- expr = simple_strtol(ap[0], NULL, 10) != simple_strtol(ap[2], NULL, 10);
- else if (strcmp(ap[1], "-lt") == 0)
- expr = simple_strtol(ap[0], NULL, 10) < simple_strtol(ap[2], NULL, 10);
- else if (strcmp(ap[1], "-le") == 0)
- expr = simple_strtol(ap[0], NULL, 10) <= simple_strtol(ap[2], NULL, 10);
- else if (strcmp(ap[1], "-gt") == 0)
- expr = simple_strtol(ap[0], NULL, 10) > simple_strtol(ap[2], NULL, 10);
- else if (strcmp(ap[1], "-ge") == 0)
- expr = simple_strtol(ap[0], NULL, 10) >= simple_strtol(ap[2], NULL, 10);
- else {
- expr = 1;
- break;
- }
-
- if (last_cmp == 0)
- expr = last_expr || expr;
- else if (last_cmp == 1)
- expr = last_expr && expr;
- last_cmp = -1;
- }
-
- ap += adv; left -= adv;
- }
-
- if (neg)
- expr = !expr;
-
- expr = !expr;
-
- debug (": returns %d\n", expr);
-
- return expr;
-}
-
-U_BOOT_CMD(
- test, CONFIG_SYS_MAXARGS, 1, do_test,
- "minimal test like /bin/sh",
- "[args..]"
-);
-
-int
-do_exit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
-{
- int r;
-
- r = 0;
- if (argc > 1)
- r = simple_strtoul(argv[1], NULL, 10);
-
- return -r - 2;
-}
-
-U_BOOT_CMD(
- exit, 2, 1, do_exit,
- "exit script",
- ""
-);
-
-
-#endif
+#include <linux/ctype.h>
/*
* Use puts() instead of printf() to avoid printf buffer overflow
*/
int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int
- flag, int argc, char *argv[])
+ flag, int argc, char * const argv[])
{
int i;
int rcode = 0;
return rcode;
}
-int do_help (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
-{
- return _do_help(&__u_boot_cmd_start,
- &__u_boot_cmd_end - &__u_boot_cmd_start,
- cmdtp, flag, argc, argv);
-}
-
-
-U_BOOT_CMD(
- help, CONFIG_SYS_MAXARGS, 1, do_help,
- "print online help",
- "[command ...]\n"
- " - show help information (for 'command')\n"
- "'help' prints online help for the monitor commands.\n\n"
- "Without arguments, it prints a short usage message for all commands.\n\n"
- "To get detailed help information for specific commands you can type\n"
- "'help' with one or more command names as arguments."
-);
-
-/* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */
-#ifdef CONFIG_SYS_LONGHELP
-cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
- "?", CONFIG_SYS_MAXARGS, 1, do_help,
- "alias for 'help'",
- ""
-};
-#else
-cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = {
- "?", CONFIG_SYS_MAXARGS, 1, do_help,
- "alias for 'help'"
-};
-#endif /* CONFIG_SYS_LONGHELP */
-
/***************************************************************************
* find command table entry for a command
*/
int len;
int n_found = 0;
+ if (!cmd)
+ return NULL;
/*
* Some commands allow length modifiers (like "cp.b");
* compare command name only until first dot.
cmd_tbl_t *find_cmd (const char *cmd)
{
- int len = &__u_boot_cmd_end - &__u_boot_cmd_start;
- return find_cmd_tbl(cmd, &__u_boot_cmd_start, len);
+ cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd);
+ const int len = ll_entry_count(cmd_tbl_t, cmd);
+ return find_cmd_tbl(cmd, start, len);
}
-int cmd_usage(cmd_tbl_t *cmdtp)
+int cmd_usage(const cmd_tbl_t *cmdtp)
{
printf("%s - %s\n\n", cmdtp->name, cmdtp->usage);
puts (cmdtp->help);
putc ('\n');
#endif /* CONFIG_SYS_LONGHELP */
- return 0;
+ return 1;
}
#ifdef CONFIG_AUTO_COMPLETE
-int var_complete(int argc, char *argv[], char last_char, int maxv, char *cmdv[])
+int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
{
static char tmp_buf[512];
int space;
- space = last_char == '\0' || last_char == ' ' || last_char == '\t';
+ space = last_char == '\0' || isblank(last_char);
if (space && argc == 1)
return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf);
return 0;
}
-static void install_auto_complete_handler(const char *cmd,
- int (*complete)(int argc, char *argv[], char last_char, int maxv, char *cmdv[]))
-{
- cmd_tbl_t *cmdtp;
-
- cmdtp = find_cmd(cmd);
- if (cmdtp == NULL)
- return;
-
- cmdtp->complete = complete;
-}
-
-void install_auto_complete(void)
-{
- install_auto_complete_handler("printenv", var_complete);
- install_auto_complete_handler("setenv", var_complete);
-#if defined(CONFIG_CMD_RUN)
- install_auto_complete_handler("run", var_complete);
-#endif
-}
-
/*************************************************************************************/
-static int complete_cmdv(int argc, char *argv[], char last_char, int maxv, char *cmdv[])
+static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
{
- cmd_tbl_t *cmdtp;
+ cmd_tbl_t *cmdtp = ll_entry_start(cmd_tbl_t, cmd);
+ const int count = ll_entry_count(cmd_tbl_t, cmd);
+ const cmd_tbl_t *cmdend = cmdtp + count;
const char *p;
int len, clen;
int n_found = 0;
if (argc == 0) {
/* output full list of commands */
- for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
+ for (; cmdtp != cmdend; cmdtp++) {
if (n_found >= maxv - 2) {
cmdv[n_found++] = "...";
break;
}
/* more than one arg or one but the start of the next */
- if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) {
+ if (argc > 1 || (last_char == '\0' || isblank(last_char))) {
cmdtp = find_cmd(argv[0]);
if (cmdtp == NULL || cmdtp->complete == NULL) {
cmdv[0] = NULL;
len = p - cmd;
/* return the partial matches */
- for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
+ for (; cmdtp != cmdend; cmdtp++) {
clen = strlen(cmdtp->name);
if (clen < len)
while (argc < argvsz - 1) {
/* skip any white space */
- while ((*s == ' ') || (*s == '\t'))
+ while (isblank(*s))
++s;
if (*s == '\0') /* end of s, no more args */
argv[argc++] = s; /* begin of argument string */
/* find end of string */
- while (*s && (*s != ' ') && (*s != '\t'))
+ while (*s && !isblank(*s))
++s;
if (*s == '\0') /* end of s, no more args */
return argc;
}
-static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char *argv[])
+static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char * const argv[])
{
int ll = leader != NULL ? strlen(leader) : 0;
int sl = sep != NULL ? strlen(sep) : 0;
printf("\n");
}
-static int find_common_prefix(char *argv[])
+static int find_common_prefix(char * const argv[])
{
int i, len;
char *anchor, *s, *t;
return 2;
case 'l':
return 4;
+#ifdef CONFIG_SYS_SUPPORT_64BIT_DATA
+ case 'q':
+ return 8;
+#endif
case 's':
return -2;
default:
return default_size;
}
#endif
+
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+DECLARE_GLOBAL_DATA_PTR;
+
+void fixup_cmdtable(cmd_tbl_t *cmdtp, int size)
+{
+ int i;
+
+ if (gd->reloc_off == 0)
+ return;
+
+ for (i = 0; i < size; i++) {
+ ulong addr;
+
+ addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
+#if DEBUG_COMMANDS
+ printf("Command \"%s\": 0x%08lx => 0x%08lx\n",
+ cmdtp->name, (ulong) (cmdtp->cmd), addr);
+#endif
+ cmdtp->cmd =
+ (int (*)(struct cmd_tbl_s *, int, int, char * const []))addr;
+ addr = (ulong)(cmdtp->name) + gd->reloc_off;
+ cmdtp->name = (char *)addr;
+ if (cmdtp->usage) {
+ addr = (ulong)(cmdtp->usage) + gd->reloc_off;
+ cmdtp->usage = (char *)addr;
+ }
+#ifdef CONFIG_SYS_LONGHELP
+ if (cmdtp->help) {
+ addr = (ulong)(cmdtp->help) + gd->reloc_off;
+ cmdtp->help = (char *)addr;
+ }
+#endif
+#ifdef CONFIG_AUTO_COMPLETE
+ if (cmdtp->complete) {
+ addr = (ulong)(cmdtp->complete) + gd->reloc_off;
+ cmdtp->complete =
+ (int (*)(int, char * const [], char, int, char * []))addr;
+ }
+#endif
+ cmdtp++;
+ }
+}
+#endif
+
+/**
+ * Call a command function. This should be the only route in U-Boot to call
+ * a command, so that we can track whether we are waiting for input or
+ * executing a command.
+ *
+ * @param cmdtp Pointer to the command to execute
+ * @param flag Some flags normally 0 (see CMD_FLAG_.. above)
+ * @param argc Number of arguments (arg 0 must be the command text)
+ * @param argv Arguments
+ * @return 0 if command succeeded, else non-zero (CMD_RET_...)
+ */
+static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int result;
+
+ result = (cmdtp->cmd)(cmdtp, flag, argc, argv);
+ if (result)
+ debug("Command failed, result=%d", result);
+ return result;
+}
+
+enum command_ret_t cmd_process(int flag, int argc, char * const argv[],
+ int *repeatable, ulong *ticks)
+{
+ enum command_ret_t rc = CMD_RET_SUCCESS;
+ cmd_tbl_t *cmdtp;
+
+ /* Look up command in command table */
+ cmdtp = find_cmd(argv[0]);
+ if (cmdtp == NULL) {
+ printf("Unknown command '%s' - try 'help'\n", argv[0]);
+ return 1;
+ }
+
+ /* found - check max args */
+ if (argc > cmdtp->maxargs)
+ rc = CMD_RET_USAGE;
+
+#if defined(CONFIG_CMD_BOOTD)
+ /* avoid "bootd" recursion */
+ else if (cmdtp->cmd == do_bootd) {
+ if (flag & CMD_FLAG_BOOTD) {
+ puts("'bootd' recursion detected\n");
+ rc = CMD_RET_FAILURE;
+ } else {
+ flag |= CMD_FLAG_BOOTD;
+ }
+ }
+#endif
+
+ /* If OK so far, then do the command */
+ if (!rc) {
+ if (ticks)
+ *ticks = get_timer(0);
+ rc = cmd_call(cmdtp, flag, argc, argv);
+ if (ticks)
+ *ticks = get_timer(*ticks);
+ *repeatable &= cmdtp->repeatable;
+ }
+ if (rc == CMD_RET_USAGE)
+ rc = cmd_usage(cmdtp);
+ return rc;
+}
+
+int cmd_process_error(cmd_tbl_t *cmdtp, int err)
+{
+ if (err) {
+ printf("Command '%s' failed: Error %d\n", cmdtp->name, err);
+ return 1;
+ }
+
+ return 0;
+}
projects / karo-tx-uboot.git / blobdiff