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Diffstat (limited to 'common/cmd_net.c')
| -rw-r--r-- | common/cmd_net.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/common/cmd_net.c b/common/cmd_net.c new file mode 100644 index 0000000..c9ce85f --- /dev/null +++ b/common/cmd_net.c @@ -0,0 +1,164 @@ +/* + * (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(); + + /* 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 */ |