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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 */ |