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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /common/command.c
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'common/command.c')
-rw-r--r--common/command.c481
1 files changed, 0 insertions, 481 deletions
diff --git a/common/command.c b/common/command.c
deleted file mode 100644
index b3ec510..0000000
--- a/common/command.c
+++ /dev/null
@@ -1,481 +0,0 @@
-/*
- * (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
- */
-
-/*
- * Command Processor Table
- */
-
-#include <common.h>
-#include <command.h>
-
-/*
- * Use puts() instead of printf() to avoid printf buffer overflow
- * for long help messages
- */
-
-int _do_help (cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp, int
- flag, int argc, char * const argv[])
-{
- int i;
- int rcode = 0;
-
- if (argc == 1) { /*show list of commands */
- cmd_tbl_t *cmd_array[cmd_items];
- int i, j, swaps;
-
- /* Make array of commands from .uboot_cmd section */
- cmdtp = cmd_start;
- for (i = 0; i < cmd_items; i++) {
- cmd_array[i] = cmdtp++;
- }
-
- /* Sort command list (trivial bubble sort) */
- for (i = cmd_items - 1; i > 0; --i) {
- swaps = 0;
- for (j = 0; j < i; ++j) {
- if (strcmp (cmd_array[j]->name,
- cmd_array[j + 1]->name) > 0) {
- cmd_tbl_t *tmp;
- tmp = cmd_array[j];
- cmd_array[j] = cmd_array[j + 1];
- cmd_array[j + 1] = tmp;
- ++swaps;
- }
- }
- if (!swaps)
- break;
- }
-
- /* print short help (usage) */
- for (i = 0; i < cmd_items; i++) {
- const char *usage = cmd_array[i]->usage;
-
- /* allow user abort */
- if (ctrlc ())
- return 1;
- if (usage == NULL)
- continue;
- printf("%-*s- %s\n", CONFIG_SYS_HELP_CMD_WIDTH,
- cmd_array[i]->name, usage);
- }
- return 0;
- }
- /*
- * command help (long version)
- */
- for (i = 1; i < argc; ++i) {
- if ((cmdtp = find_cmd_tbl (argv[i], cmd_start, cmd_items )) != NULL) {
- rcode |= cmd_usage(cmdtp);
- } else {
- printf ("Unknown command '%s' - try 'help'"
- " without arguments for list of all"
- " known commands\n\n", argv[i]
- );
- rcode = 1;
- }
- }
- return rcode;
-}
-
-/***************************************************************************
- * find command table entry for a command
- */
-cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len)
-{
- cmd_tbl_t *cmdtp;
- cmd_tbl_t *cmdtp_temp = table; /*Init value */
- const char *p;
- 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.
- */
- len = ((p = strchr(cmd, '.')) == NULL) ? strlen (cmd) : (p - cmd);
-
- for (cmdtp = table;
- cmdtp != table + table_len;
- cmdtp++) {
- if (strncmp (cmd, cmdtp->name, len) == 0) {
- if (len == strlen (cmdtp->name))
- return cmdtp; /* full match */
-
- cmdtp_temp = cmdtp; /* abbreviated command ? */
- n_found++;
- }
- }
- if (n_found == 1) { /* exactly one match */
- return cmdtp_temp;
- }
-
- return NULL; /* not found or ambiguous command */
-}
-
-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);
-}
-
-int cmd_usage(cmd_tbl_t *cmdtp)
-{
- printf("%s - %s\n\n", cmdtp->name, cmdtp->usage);
-
-#ifdef CONFIG_SYS_LONGHELP
- printf("Usage:\n%s ", cmdtp->name);
-
- if (!cmdtp->help) {
- puts ("- No additional help available.\n");
- return 1;
- }
-
- puts (cmdtp->help);
- putc ('\n');
-#endif /* CONFIG_SYS_LONGHELP */
- return 1;
-}
-
-#ifdef CONFIG_AUTO_COMPLETE
-
-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';
-
- if (space && argc == 1)
- return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf);
-
- if (!space && argc == 2)
- return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf);
-
- return 0;
-}
-
-/*************************************************************************************/
-
-static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
-{
- cmd_tbl_t *cmdtp;
- const char *p;
- int len, clen;
- int n_found = 0;
- const char *cmd;
-
- /* sanity? */
- if (maxv < 2)
- return -2;
-
- cmdv[0] = NULL;
-
- if (argc == 0) {
- /* output full list of commands */
- for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
- if (n_found >= maxv - 2) {
- cmdv[n_found++] = "...";
- break;
- }
- cmdv[n_found++] = cmdtp->name;
- }
- cmdv[n_found] = NULL;
- return n_found;
- }
-
- /* more than one arg or one but the start of the next */
- if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) {
- cmdtp = find_cmd(argv[0]);
- if (cmdtp == NULL || cmdtp->complete == NULL) {
- cmdv[0] = NULL;
- return 0;
- }
- return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv);
- }
-
- cmd = argv[0];
- /*
- * Some commands allow length modifiers (like "cp.b");
- * compare command name only until first dot.
- */
- p = strchr(cmd, '.');
- if (p == NULL)
- len = strlen(cmd);
- else
- len = p - cmd;
-
- /* return the partial matches */
- for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
-
- clen = strlen(cmdtp->name);
- if (clen < len)
- continue;
-
- if (memcmp(cmd, cmdtp->name, len) != 0)
- continue;
-
- /* too many! */
- if (n_found >= maxv - 2) {
- cmdv[n_found++] = "...";
- break;
- }
-
- cmdv[n_found++] = cmdtp->name;
- }
-
- cmdv[n_found] = NULL;
- return n_found;
-}
-
-static int make_argv(char *s, int argvsz, char *argv[])
-{
- int argc = 0;
-
- /* split into argv */
- while (argc < argvsz - 1) {
-
- /* skip any white space */
- while ((*s == ' ') || (*s == '\t'))
- ++s;
-
- if (*s == '\0') /* end of s, no more args */
- break;
-
- argv[argc++] = s; /* begin of argument string */
-
- /* find end of string */
- while (*s && (*s != ' ') && (*s != '\t'))
- ++s;
-
- if (*s == '\0') /* end of s, no more args */
- break;
-
- *s++ = '\0'; /* terminate current arg */
- }
- argv[argc] = NULL;
-
- return argc;
-}
-
-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;
- int len, i;
-
- if (banner) {
- puts("\n");
- puts(banner);
- }
-
- i = linemax; /* force leader and newline */
- while (*argv != NULL) {
- len = strlen(*argv) + sl;
- if (i + len >= linemax) {
- puts("\n");
- if (leader)
- puts(leader);
- i = ll - sl;
- } else if (sep)
- puts(sep);
- puts(*argv++);
- i += len;
- }
- printf("\n");
-}
-
-static int find_common_prefix(char * const argv[])
-{
- int i, len;
- char *anchor, *s, *t;
-
- if (*argv == NULL)
- return 0;
-
- /* begin with max */
- anchor = *argv++;
- len = strlen(anchor);
- while ((t = *argv++) != NULL) {
- s = anchor;
- for (i = 0; i < len; i++, t++, s++) {
- if (*t != *s)
- break;
- }
- len = s - anchor;
- }
- return len;
-}
-
-static char tmp_buf[CONFIG_SYS_CBSIZE]; /* copy of console I/O buffer */
-
-int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp)
-{
- int n = *np, col = *colp;
- char *argv[CONFIG_SYS_MAXARGS + 1]; /* NULL terminated */
- char *cmdv[20];
- char *s, *t;
- const char *sep;
- int i, j, k, len, seplen, argc;
- int cnt;
- char last_char;
-
- if (strcmp(prompt, CONFIG_SYS_PROMPT) != 0)
- return 0; /* not in normal console */
-
- cnt = strlen(buf);
- if (cnt >= 1)
- last_char = buf[cnt - 1];
- else
- last_char = '\0';
-
- /* copy to secondary buffer which will be affected */
- strcpy(tmp_buf, buf);
-
- /* separate into argv */
- argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv);
-
- /* do the completion and return the possible completions */
- i = complete_cmdv(argc, argv, last_char, sizeof(cmdv)/sizeof(cmdv[0]), cmdv);
-
- /* no match; bell and out */
- if (i == 0) {
- if (argc > 1) /* allow tab for non command */
- return 0;
- putc('\a');
- return 1;
- }
-
- s = NULL;
- len = 0;
- sep = NULL;
- seplen = 0;
- if (i == 1) { /* one match; perfect */
- k = strlen(argv[argc - 1]);
- s = cmdv[0] + k;
- len = strlen(s);
- sep = " ";
- seplen = 1;
- } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */
- k = strlen(argv[argc - 1]);
- j -= k;
- if (j > 0) {
- s = cmdv[0] + k;
- len = j;
- }
- }
-
- if (s != NULL) {
- k = len + seplen;
- /* make sure it fits */
- if (n + k >= CONFIG_SYS_CBSIZE - 2) {
- putc('\a');
- return 1;
- }
-
- t = buf + cnt;
- for (i = 0; i < len; i++)
- *t++ = *s++;
- if (sep != NULL)
- for (i = 0; i < seplen; i++)
- *t++ = sep[i];
- *t = '\0';
- n += k;
- col += k;
- puts(t - k);
- if (sep == NULL)
- putc('\a');
- *np = n;
- *colp = col;
- } else {
- print_argv(NULL, " ", " ", 78, cmdv);
-
- puts(prompt);
- puts(buf);
- }
- return 1;
-}
-
-#endif
-
-#ifdef CMD_DATA_SIZE
-int cmd_get_data_size(char* arg, int default_size)
-{
- /* Check for a size specification .b, .w or .l.
- */
- int len = strlen(arg);
- if (len > 2 && arg[len-2] == '.') {
- switch(arg[len-1]) {
- case 'b':
- return 1;
- case 'w':
- return 2;
- case 'l':
- return 4;
- case 's':
- return -2;
- default:
- return -1;
- }
- }
- 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
- cmdtp++;
- }
-}
-#endif