1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* Boot support
*/
#include <common.h>
#include <command.h>
#include <cmd_net.h>
#include <net.h>
#if (CONFIG_COMMANDS & CFG_CMD_NET)
# if (CONFIG_COMMANDS & CFG_CMD_AUTOSCRIPT)
# include <cmd_autoscript.h>
# endif
extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
static int netboot_common (int, cmd_tbl_t *, int , char *[]);
int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
return netboot_common (BOOTP, cmdtp, argc, argv);
}
int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
return netboot_common (TFTP, cmdtp, argc, argv);
}
int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
return netboot_common (RARP, cmdtp, argc, argv);
}
#if (CONFIG_COMMANDS & CFG_CMD_DHCP)
int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
return netboot_common(DHCP, cmdtp, argc, argv);
}
#endif /* CFG_CMD_DHCP */
static void netboot_update_env(void)
{
char tmp[16] ;
if (NetOurGatewayIP) {
ip_to_string (NetOurGatewayIP, tmp);
setenv("gatewayip", tmp);
}
if (NetOurSubnetMask) {
ip_to_string (NetOurSubnetMask, tmp);
setenv("netmask", tmp);
}
if (NetOurHostName[0])
setenv("hostname", NetOurHostName);
if (NetOurRootPath[0])
setenv("rootpath", NetOurRootPath);
if (NetOurIP) {
ip_to_string (NetOurIP, tmp);
setenv("ipaddr", tmp);
}
if (NetServerIP) {
ip_to_string (NetServerIP, tmp);
setenv("serverip", tmp);
}
if (NetOurDNSIP) {
ip_to_string (NetOurDNSIP, tmp);
setenv("dnsip", tmp);
}
}
static int
netboot_common (int proto, cmd_tbl_t *cmdtp, int argc, char *argv[])
{
char *s;
int rcode = 0;
int size;
/* pre-set load_addr */
if ((s = getenv("loadaddr")) != NULL) {
load_addr = simple_strtoul(s, NULL, 16);
}
switch (argc) {
case 1:
break;
case 2: /* only one arg - accept two forms:
* just load address, or just boot file name.
* The latter form must be written "filename" here.
*/
if (argv[1][0] == '"') { /* just boot filename */
copy_filename (BootFile, argv[1], sizeof(BootFile));
} else { /* load address */
load_addr = simple_strtoul(argv[1], NULL, 16);
}
break;
case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
copy_filename (BootFile, argv[2], sizeof(BootFile));
break;
default: printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
if ((size = NetLoop(proto)) < 0)
return 1;
/* NetLoop ok, update environment */
netboot_update_env();
/* done if no file was loaded (no errors though) */
if (size == 0)
return 0;
/* flush cache */
flush_cache(load_addr, size);
/* Loading ok, check if we should attempt an auto-start */
if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
char *local_args[2];
local_args[0] = argv[0];
local_args[1] = NULL;
printf ("Automatic boot of image at addr 0x%08lX ...\n",
load_addr);
rcode = do_bootm (cmdtp, 0, 1, local_args);
}
#ifdef CONFIG_AUTOSCRIPT
if (((s = getenv("autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {
printf("Running autoscript at addr 0x%08lX ...\n", load_addr);
rcode = autoscript (load_addr);
}
#endif
return rcode;
}
#endif /* CFG_CMD_NET */
|
