]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - board/hymod/env.c
c0e2cd5d6816d86ec01c9f0c5ec345a235e21291
3 * Murray Jensen, CSIRO-MIT, <Murray.Jensen@csiro.au>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 DECLARE_GLOBAL_DATA_PTR
;
28 /* imports from fetch.c */
29 extern int fetch_and_parse (char *, ulong
, int (*)(uchar
*, uchar
*));
31 /* this is relative to the root of the server's tftp directory */
32 static char *def_global_env_path
= "/hymod/global_env";
35 env_callback (uchar
*name
, uchar
*value
)
37 hymod_conf_t
*cp
= &gd
->bd
->bi_hymod_conf
;
38 char ov
[CONFIG_SYS_CBSIZE
], nv
[CONFIG_SYS_CBSIZE
], *p
, *q
, *nn
, c
, *curver
, *newver
;
39 int override
= 1, append
= 0, remove
= 0, nnl
, ovl
, nvl
;
48 while (*nn
== ' ' || *nn
== '\t')
51 if ((nnl
= strlen (nn
)) == 0) {
52 printf ("Empty name in global env file\n");
56 if ((c
= nn
[nnl
- 1]) == '+' || c
== '-') {
64 while (nnl
> 0 && ((c
= nn
[nnl
- 1]) == ' ' || c
== '\t'))
67 printf ("Empty name in global env file\n");
74 while ((c
= *p
) == ' ' || c
== '\t')
78 while (nvl
> 0 && ((c
= p
[nvl
- 1]) == ' ' || c
== '\t'))
81 while ((*q
= *p
++) != '\0') {
85 case '\0': /* whoops - back up */
89 case '%': /* a single percent character */
93 case 's': /* main board serial number as string */
94 q
+= sprintf (q
, "%010lu",
95 cp
->main
.eeprom
.serno
);
98 case 'S': /* main board serial number as number */
99 q
+= sprintf (q
, "%lu", cp
->main
.eeprom
.serno
);
102 default: /* ignore any others */
110 if ((nvl
= q
- nv
) == 0) {
115 if ((curver
= getenv ("global_env_version")) == NULL
)
118 if ((newver
= getenv ("new_genv_version")) == NULL
|| \
119 strcmp (curver
, newver
) == 0) {
120 if (strcmp (nn
, "version") == 0)
121 setenv ("new_genv_version", nv
);
125 if ((p
= getenv (nn
)) != NULL
) {
132 if (strstr (ov
, nv
) == NULL
) {
134 printf ("Appending '%s' to env var '%s'\n",
138 nv
[ovl
+ 1 + nvl
] = nv
[nvl
];
155 if (strstr (ov
, nv
) != NULL
) {
157 printf ("Removing '%s' from env var '%s'\n",
160 while ((p
= strstr (ov
, nv
)) != NULL
) {
173 if (!override
|| strcmp (ov
, nv
) == 0)
176 printf ("Re-setting env cmd '%s' from '%s' to '%s'\n",
180 printf ("Setting env cmd '%s' to '%s'\n", nn
, nv
);
187 hymod_check_env (void)
189 char *p
, *path
, *curver
, *newver
;
190 int firsttime
= 0, needsave
= 0;
192 if (getenv ("global_env_loaded") == NULL
) {
193 puts ("*** global environment has never been loaded\n");
194 puts ("*** fetching from server");
197 else if ((p
= getenv ("always_check_env")) != NULL
&&
198 strcmp (p
, "yes") == 0)
199 puts ("*** checking for updated global environment");
203 puts (" (Control-C to Abort)\n");
205 if ((path
= getenv ("global_env_path")) == NULL
|| *path
== '\0')
206 path
= def_global_env_path
;
208 if (fetch_and_parse (path
, CONFIG_SYS_LOAD_ADDR
, env_callback
) == 0) {
209 puts ("*** Fetch of global environment failed!\n");
213 if ((newver
= getenv ("new_genv_version")) == NULL
) {
214 puts ("*** Version number not set - contents ignored!\n");
218 if ((curver
= getenv ("global_env_version")) == NULL
|| \
219 strcmp (curver
, newver
) != 0) {
220 setenv ("global_env_version", newver
);
224 printf ("*** Global environment up-to-date (ver %s)\n", curver
);
226 setenv ("new_genv_version", NULL
);
229 setenv ("global_env_loaded", "yes");
234 puts ("\n*** Remember to run the 'saveenv' "
235 "command to save the changes\n\n");