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* Get (mostly) rid of CFG_MONITOR_LEN definition; compute real length
[people/ms/u-boot.git] / common / cmd_net.c
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3863585b
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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 <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
38extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
39
40static int netboot_common (int, cmd_tbl_t *, int , char *[]);
41
42int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
43{
44 return netboot_common (BOOTP, cmdtp, argc, argv);
45}
46
47int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
48{
49 return netboot_common (TFTP, cmdtp, argc, argv);
50}
51
52int 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)
58int 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
64static 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 }
98}
99static int
100netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
101{
102 char *s;
103 int rcode = 0;
104 int size;
105
106 /* pre-set load_addr */
107 if ((s = getenv("loadaddr")) != NULL) {
108 load_addr = simple_strtoul(s, NULL, 16);
109 }
110
111 switch (argc) {
112 case 1:
113 break;
114
115 case 2: /* only one arg - accept two forms:
116 * just load address, or just boot file name.
117 * The latter form must be written "filename" here.
118 */
119 if (argv[1][0] == '"') { /* just boot filename */
120 copy_filename (BootFile, argv[1], sizeof(BootFile));
121 } else { /* load address */
122 load_addr = simple_strtoul(argv[1], NULL, 16);
123 }
124 break;
125
126 case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
127 copy_filename (BootFile, argv[2], sizeof(BootFile));
128
129 break;
130
131 default: printf ("Usage:\n%s\n", cmdtp->usage);
132 return 1;
133 }
134
eb9401e3 135 if ((size = NetLoop(proto)) < 0)
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136 return 1;
137
138 /* NetLoop ok, update environment */
139 netboot_update_env();
140
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141 /* done if no file was loaded (no errors though) */
142 if (size == 0)
143 return 0;
144
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145 /* flush cache */
146 flush_cache(load_addr, size);
147
148 /* Loading ok, check if we should attempt an auto-start */
149 if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
150 char *local_args[2];
151 local_args[0] = argv[0];
152 local_args[1] = NULL;
153
154 printf ("Automatic boot of image at addr 0x%08lX ...\n",
155 load_addr);
156 rcode = do_bootm (cmdtp, 0, 1, local_args);
157 }
158
159#ifdef CONFIG_AUTOSCRIPT
160 if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
161 printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
162 rcode = autoscript (load_addr);
163 }
164#endif
165 return rcode;
166}
167
168#endif /* CFG_CMD_NET */