/* * (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 <net.h> static int netboot_common (proto_t, cmd_tbl_t *, int , char * const []); int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return netboot_common (BOOTP, cmdtp, argc, argv); } U_BOOT_CMD( bootp, 3, 1, do_bootp, "boot image via network using BOOTP/TFTP protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return netboot_common (TFTP, cmdtp, argc, argv); } U_BOOT_CMD( tftpboot, 3, 1, do_tftpb, "boot image via network using TFTP protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); #ifdef CONFIG_CMD_TFTPSRV static int do_tftpsrv(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { return netboot_common(TFTPSRV, cmdtp, argc, argv); } U_BOOT_CMD( tftpsrv, 2, 1, do_tftpsrv, "act as a TFTP server and boot the first received file", "[loadAddress]\n" "Listen for an incoming TFTP transfer, receive a file and boot it.\n" "The transfer is aborted if a transfer has not been started after\n" "about 50 seconds or if Ctrl-C is pressed." ); #endif #ifdef CONFIG_CMD_RARP int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return netboot_common (RARP, cmdtp, argc, argv); } U_BOOT_CMD( rarpboot, 3, 1, do_rarpb, "boot image via network using RARP/TFTP protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif #if defined(CONFIG_CMD_DHCP) int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return netboot_common(DHCP, cmdtp, argc, argv); } U_BOOT_CMD( dhcp, 3, 1, do_dhcp, "boot image via network using DHCP/TFTP protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif #if defined(CONFIG_CMD_NFS) int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { return netboot_common(NFS, cmdtp, argc, argv); } U_BOOT_CMD( nfs, 3, 1, do_nfs, "boot image via network using NFS protocol", "[loadAddress] [[hostIPaddr:]bootfilename]" ); #endif static void netboot_update_env (void) { char tmp[22]; 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); } #if defined(CONFIG_BOOTP_DNS2) if (NetOurDNS2IP) { ip_to_string (NetOurDNS2IP, tmp); setenv ("dnsip2", tmp); } #endif if (NetOurNISDomain[0]) setenv ("domain", NetOurNISDomain); #if defined(CONFIG_CMD_SNTP) \ && defined(CONFIG_BOOTP_TIMEOFFSET) if (NetTimeOffset) { sprintf (tmp, "%d", NetTimeOffset); setenv ("timeoffset", tmp); } #endif #if defined(CONFIG_CMD_SNTP) \ && defined(CONFIG_BOOTP_NTPSERVER) if (NetNtpServerIP) { ip_to_string (NetNtpServerIP, tmp); setenv ("ntpserverip", tmp); } #endif } static int netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[]) { char *s; char *end; int rcode = 0; int size; ulong addr; /* 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 in a format which can not be * mis-interpreted as a valid number. */ addr = simple_strtoul(argv[1], &end, 16); if (end == (argv[1] + strlen(argv[1]))) load_addr = addr; else copy_filename(BootFile, argv[1], sizeof(BootFile)); break; case 3: load_addr = simple_strtoul(argv[1], NULL, 16); copy_filename (BootFile, argv[2], sizeof(BootFile)); break; default: show_boot_progress (-80); return cmd_usage(cmdtp); } show_boot_progress (80); if ((size = NetLoop(proto)) < 0) { show_boot_progress (-81); return 1; } show_boot_progress (81); /* NetLoop ok, update environment */ netboot_update_env(); /* done if no file was loaded (no errors though) */ if (size == 0) { show_boot_progress (-82); return 0; } /* flush cache */ flush_cache(load_addr, size); show_boot_progress(82); rcode = bootm_maybe_autostart(cmdtp, argv[0]); if (rcode < 0) show_boot_progress (-83); else show_boot_progress (84); return rcode; } #if defined(CONFIG_CMD_PING) int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc < 2) return -1; NetPingIP = string_to_ip(argv[1]); if (NetPingIP == 0) return cmd_usage(cmdtp); if (NetLoop(PING) < 0) { printf("ping failed; host %s is not alive\n", argv[1]); return 1; } printf("host %s is alive\n", argv[1]); return 0; } U_BOOT_CMD( ping, 2, 1, do_ping, "send ICMP ECHO_REQUEST to network host", "pingAddress" ); #endif #if defined(CONFIG_CMD_CDP) static void cdp_update_env(void) { char tmp[16]; if (CDPApplianceVLAN != htons(-1)) { printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN)); VLAN_to_string(CDPApplianceVLAN, tmp); setenv("vlan", tmp); NetOurVLAN = CDPApplianceVLAN; } if (CDPNativeVLAN != htons(-1)) { printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN)); VLAN_to_string(CDPNativeVLAN, tmp); setenv("nvlan", tmp); NetOurNativeVLAN = CDPNativeVLAN; } } int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { int r; r = NetLoop(CDP); if (r < 0) { printf("cdp failed; perhaps not a CISCO switch?\n"); return 1; } cdp_update_env(); return 0; } U_BOOT_CMD( cdp, 1, 1, do_cdp, "Perform CDP network configuration", "\n" ); #endif #if defined(CONFIG_CMD_SNTP) int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *toff; if (argc < 2) { NetNtpServerIP = getenv_IPaddr ("ntpserverip"); if (NetNtpServerIP == 0) { printf ("ntpserverip not set\n"); return (1); } } else { NetNtpServerIP = string_to_ip(argv[1]); if (NetNtpServerIP == 0) { printf ("Bad NTP server IP address\n"); return (1); } } toff = getenv ("timeoffset"); if (toff == NULL) NetTimeOffset = 0; else NetTimeOffset = simple_strtol (toff, NULL, 10); if (NetLoop(SNTP) < 0) { printf("SNTP failed: host %pI4 not responding\n", &NetNtpServerIP); return 1; } return 0; } U_BOOT_CMD( sntp, 2, 1, do_sntp, "synchronize RTC via network", "[NTP server IP]\n" ); #endif #if defined(CONFIG_CMD_DNS) int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { if (argc == 1) return cmd_usage(cmdtp); /* * We should check for a valid hostname: * - Each label must be between 1 and 63 characters long * - the entire hostname has a maximum of 255 characters * - only the ASCII letters 'a' through 'z' (case-insensitive), * the digits '0' through '9', and the hyphen * - cannot begin or end with a hyphen * - no other symbols, punctuation characters, or blank spaces are * permitted * but hey - this is a minimalist implmentation, so only check length * and let the name server deal with things. */ if (strlen(argv[1]) >= 255) { printf("dns error: hostname too long\n"); return 1; } NetDNSResolve = argv[1]; if (argc == 3) NetDNSenvvar = argv[2]; else NetDNSenvvar = NULL; if (NetLoop(DNS) < 0) { printf("dns lookup of %s failed, check setup\n", argv[1]); return 1; } return 0; } U_BOOT_CMD( dns, 3, 1, do_dns, "lookup the IP of a hostname", "hostname [envvar]" ); #endif /* CONFIG_CMD_DNS */