]> git.ipfire.org Git - u-boot.git/blob - common/cmd_net.c
* Code cleanup:
[u-boot.git] / common / cmd_net.c
1 /*
2 * (C) Copyright 2000
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
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.
12 *
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.
17 *
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,
21 * MA 02111-1307 USA
22 */
23
24 /*
25 * Boot support
26 */
27 #include <common.h>
28 #include <command.h>
29 #include <cmd_autoscript.h>
30 #include <net.h>
31
32 #if (CONFIG_COMMANDS & CFG_CMD_NET)
33
34
35 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
36
37 static int netboot_common (int, cmd_tbl_t *, int , char *[]);
38
39 int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
40 {
41 return netboot_common (BOOTP, cmdtp, argc, argv);
42 }
43
44 cmd_tbl_t U_BOOT_CMD(BOOTP) = MK_CMD_ENTRY(
45 "bootp", 3, 1, do_bootp,
46 "bootp - boot image via network using BootP/TFTP protocol\n",
47 "[loadAddress] [bootfilename]\n"
48 );
49
50 int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
51 {
52 return netboot_common (TFTP, cmdtp, argc, argv);
53 }
54
55 cmd_tbl_t U_BOOT_CMD(TFTPB) = MK_CMD_ENTRY(
56 "tftpboot", 3, 1, do_tftpb,
57 "tftpboot- boot image via network using TFTP protocol\n"
58 " and env variables ipaddr and serverip\n",
59 "[loadAddress] [bootfilename]\n"
60 );
61
62 int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
63 {
64 return netboot_common (RARP, cmdtp, argc, argv);
65 }
66
67 cmd_tbl_t U_BOOT_CMD(RARPB) = MK_CMD_ENTRY(
68 "rarpboot", 3, 1, do_rarpb,
69 "rarpboot- boot image via network using RARP/TFTP protocol\n",
70 "[loadAddress] [bootfilename]\n"
71 );
72
73 #if (CONFIG_COMMANDS & CFG_CMD_DHCP)
74 int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
75 {
76 return netboot_common(DHCP, cmdtp, argc, argv);
77 }
78
79 cmd_tbl_t U_BOOT_CMD(DHCP) = MK_CMD_ENTRY(
80 "dhcp", 3, 1, do_dhcp,
81 "dhcp - invoke DHCP client to obtain IP/boot params\n",
82 "\n"
83 );
84 #endif /* CFG_CMD_DHCP */
85
86 static void netboot_update_env(void)
87 {
88 char tmp[16] ;
89
90 if (NetOurGatewayIP) {
91 ip_to_string (NetOurGatewayIP, tmp);
92 setenv("gatewayip", tmp);
93 }
94
95 if (NetOurSubnetMask) {
96 ip_to_string (NetOurSubnetMask, tmp);
97 setenv("netmask", tmp);
98 }
99
100 if (NetOurHostName[0])
101 setenv("hostname", NetOurHostName);
102
103 if (NetOurRootPath[0])
104 setenv("rootpath", NetOurRootPath);
105
106 if (NetOurIP) {
107 ip_to_string (NetOurIP, tmp);
108 setenv("ipaddr", tmp);
109 }
110
111 if (NetServerIP) {
112 ip_to_string (NetServerIP, tmp);
113 setenv("serverip", tmp);
114 }
115
116 if (NetOurDNSIP) {
117 ip_to_string (NetOurDNSIP, tmp);
118 setenv("dnsip", tmp);
119 }
120
121 if (NetOurNISDomain[0])
122 setenv("domain", NetOurNISDomain);
123
124 }
125 static int
126 netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
127 {
128 char *s;
129 int rcode = 0;
130 int size;
131
132 /* pre-set load_addr */
133 if ((s = getenv("loadaddr")) != NULL) {
134 load_addr = simple_strtoul(s, NULL, 16);
135 }
136
137 switch (argc) {
138 case 1:
139 break;
140
141 case 2: /* only one arg - accept two forms:
142 * just load address, or just boot file name.
143 * The latter form must be written "filename" here.
144 */
145 if (argv[1][0] == '"') { /* just boot filename */
146 copy_filename (BootFile, argv[1], sizeof(BootFile));
147 } else { /* load address */
148 load_addr = simple_strtoul(argv[1], NULL, 16);
149 }
150 break;
151
152 case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
153 copy_filename (BootFile, argv[2], sizeof(BootFile));
154
155 break;
156
157 default: printf ("Usage:\n%s\n", cmdtp->usage);
158 return 1;
159 }
160
161 if ((size = NetLoop(proto)) < 0)
162 return 1;
163
164 /* NetLoop ok, update environment */
165 netboot_update_env();
166
167 /* done if no file was loaded (no errors though) */
168 if (size == 0)
169 return 0;
170
171 /* flush cache */
172 flush_cache(load_addr, size);
173
174 /* Loading ok, check if we should attempt an auto-start */
175 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
176 char *local_args[2];
177 local_args[0] = argv[0];
178 local_args[1] = NULL;
179
180 printf ("Automatic boot of image at addr 0x%08lX ...\n",
181 load_addr);
182 rcode = do_bootm (cmdtp, 0, 1, local_args);
183 }
184
185 #ifdef CONFIG_AUTOSCRIPT
186 if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
187 printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
188 rcode = autoscript (load_addr);
189 }
190 #endif
191 return rcode;
192 }
193
194 #if (CONFIG_COMMANDS & CFG_CMD_PING)
195 int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
196 {
197 if (argc < 2)
198 return -1;
199
200 NetPingIP = string_to_ip(argv[1]);
201 if (NetPingIP == 0) {
202 printf ("Usage:\n%s\n", cmdtp->usage);
203 return -1;
204 }
205
206 if (NetLoop(PING) < 0) {
207 printf("ping failed; host %s is not alive\n", argv[1]);
208 return 1;
209 }
210
211 printf("host %s is alive\n", argv[1]);
212
213 return 0;
214 }
215 #endif /* CFG_CMD_PING */
216
217 #endif /* CFG_CMD_NET */