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3863585b WD |
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_net.h> | |
30 | #include <net.h> | |
31 | ||
32 | #if (CONFIG_COMMANDS & CFG_CMD_NET) | |
33 | ||
34 | # if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT) | |
35 | # include <cmd_autoscript.h> | |
36 | # endif | |
37 | ||
38 | extern int do_bootm (cmd_tbl_t *, int, int, char *[]); | |
39 | ||
40 | static int netboot_common (int, cmd_tbl_t *, int , char *[]); | |
41 | ||
42 | int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
43 | { | |
44 | return netboot_common (BOOTP, cmdtp, argc, argv); | |
45 | } | |
46 | ||
47 | int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
48 | { | |
49 | return netboot_common (TFTP, cmdtp, argc, argv); | |
50 | } | |
51 | ||
52 | int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
53 | { | |
54 | return netboot_common (RARP, cmdtp, argc, argv); | |
55 | } | |
56 | ||
57 | #if (CONFIG_COMMANDS & CFG_CMD_DHCP) | |
58 | int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
59 | { | |
60 | return netboot_common(DHCP, cmdtp, argc, argv); | |
61 | } | |
62 | #endif /* CFG_CMD_DHCP */ | |
63 | ||
64 | static void netboot_update_env(void) | |
65 | { | |
66 | char tmp[16] ; | |
67 | ||
68 | if (NetOurGatewayIP) { | |
69 | ip_to_string (NetOurGatewayIP, tmp); | |
70 | setenv("gatewayip", tmp); | |
71 | } | |
72 | ||
73 | if (NetOurSubnetMask) { | |
74 | ip_to_string (NetOurSubnetMask, tmp); | |
75 | setenv("netmask", tmp); | |
76 | } | |
77 | ||
78 | if (NetOurHostName[0]) | |
79 | setenv("hostname", NetOurHostName); | |
80 | ||
81 | if (NetOurRootPath[0]) | |
82 | setenv("rootpath", NetOurRootPath); | |
83 | ||
84 | if (NetOurIP) { | |
85 | ip_to_string (NetOurIP, tmp); | |
86 | setenv("ipaddr", tmp); | |
87 | } | |
88 | ||
89 | if (NetServerIP) { | |
90 | ip_to_string (NetServerIP, tmp); | |
91 | setenv("serverip", tmp); | |
92 | } | |
93 | ||
94 | if (NetOurDNSIP) { | |
95 | ip_to_string (NetOurDNSIP, tmp); | |
96 | setenv("dnsip", tmp); | |
97 | } | |
73a8b27c WD |
98 | |
99 | if (NetOurNISDomain[0]) | |
100 | setenv("domain", NetOurNISDomain); | |
101 | ||
3863585b WD |
102 | } |
103 | static int | |
104 | netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[]) | |
105 | { | |
106 | char *s; | |
107 | int rcode = 0; | |
108 | int size; | |
109 | ||
110 | /* pre-set load_addr */ | |
111 | if ((s = getenv("loadaddr")) != NULL) { | |
112 | load_addr = simple_strtoul(s, NULL, 16); | |
113 | } | |
114 | ||
115 | switch (argc) { | |
116 | case 1: | |
117 | break; | |
118 | ||
119 | case 2: /* only one arg - accept two forms: | |
120 | * just load address, or just boot file name. | |
121 | * The latter form must be written "filename" here. | |
122 | */ | |
123 | if (argv[1][0] == '"') { /* just boot filename */ | |
124 | copy_filename (BootFile, argv[1], sizeof(BootFile)); | |
125 | } else { /* load address */ | |
126 | load_addr = simple_strtoul(argv[1], NULL, 16); | |
127 | } | |
128 | break; | |
129 | ||
130 | case 3: load_addr = simple_strtoul(argv[1], NULL, 16); | |
131 | copy_filename (BootFile, argv[2], sizeof(BootFile)); | |
132 | ||
133 | break; | |
134 | ||
135 | default: printf ("Usage:\n%s\n", cmdtp->usage); | |
136 | return 1; | |
137 | } | |
138 | ||
eb9401e3 | 139 | if ((size = NetLoop(proto)) < 0) |
3863585b WD |
140 | return 1; |
141 | ||
142 | /* NetLoop ok, update environment */ | |
143 | netboot_update_env(); | |
144 | ||
eb9401e3 WD |
145 | /* done if no file was loaded (no errors though) */ |
146 | if (size == 0) | |
147 | return 0; | |
148 | ||
3863585b WD |
149 | /* flush cache */ |
150 | flush_cache(load_addr, size); | |
151 | ||
152 | /* Loading ok, check if we should attempt an auto-start */ | |
153 | if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) { | |
154 | char *local_args[2]; | |
155 | local_args[0] = argv[0]; | |
156 | local_args[1] = NULL; | |
157 | ||
158 | printf ("Automatic boot of image at addr 0x%08lX ...\n", | |
159 | load_addr); | |
160 | rcode = do_bootm (cmdtp, 0, 1, local_args); | |
161 | } | |
162 | ||
163 | #ifdef CONFIG_AUTOSCRIPT | |
164 | if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) { | |
165 | printf("Running autoscript at addr 0x%08lX ...\n", load_addr); | |
166 | rcode = autoscript (load_addr); | |
167 | } | |
168 | #endif | |
169 | return rcode; | |
170 | } | |
171 | ||
73a8b27c WD |
172 | #if (CONFIG_COMMANDS & CFG_CMD_PING) |
173 | int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
174 | { | |
175 | if (argc < 2) | |
176 | return -1; | |
177 | ||
178 | NetPingIP = string_to_ip(argv[1]); | |
179 | if (NetPingIP == 0) { | |
180 | printf ("Usage:\n%s\n", cmdtp->usage); | |
181 | return -1; | |
182 | } | |
183 | ||
184 | if (NetLoop(PING) < 0) { | |
185 | printf("ping failed; host %s is not alive\n", argv[1]); | |
186 | return 1; | |
187 | } | |
188 | ||
189 | printf("host %s is alive\n", argv[1]); | |
190 | ||
191 | return 0; | |
192 | } | |
193 | #endif /* CFG_CMD_PING */ | |
194 | ||
3863585b | 195 | #endif /* CFG_CMD_NET */ |