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