mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-17 15:38:51 +09:00
![Wolfgang Denk](/assets/img/avatar_default.png)
This reverts commit 5a442c0add
.
This commit changed the behaviour of getenv_yesno() (both the default
behaviour and the documented behaviour for abbreviated arguments)
which resulted in problems in several areas.
Signed-off-by: Wolfgang Denk <wd@denx.de>
386 lines
8.2 KiB
C
386 lines
8.2 KiB
C
/*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Boot support
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*/
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#include <common.h>
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#include <command.h>
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#include <net.h>
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static int netboot_common (proto_t, cmd_tbl_t *, int , char * const []);
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int do_bootp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return netboot_common (BOOTP, cmdtp, argc, argv);
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}
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U_BOOT_CMD(
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bootp, 3, 1, do_bootp,
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"boot image via network using BOOTP/TFTP protocol",
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"[loadAddress] [[hostIPaddr:]bootfilename]"
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);
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int do_tftpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return netboot_common (TFTP, cmdtp, argc, argv);
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}
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U_BOOT_CMD(
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tftpboot, 3, 1, do_tftpb,
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"boot image via network using TFTP protocol",
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"[loadAddress] [[hostIPaddr:]bootfilename]"
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);
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#ifdef CONFIG_CMD_RARP
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int do_rarpb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return netboot_common (RARP, cmdtp, argc, argv);
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}
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U_BOOT_CMD(
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rarpboot, 3, 1, do_rarpb,
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"boot image via network using RARP/TFTP protocol",
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"[loadAddress] [[hostIPaddr:]bootfilename]"
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);
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#endif
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#if defined(CONFIG_CMD_DHCP)
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int do_dhcp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return netboot_common(DHCP, cmdtp, argc, argv);
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}
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U_BOOT_CMD(
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dhcp, 3, 1, do_dhcp,
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"boot image via network using DHCP/TFTP protocol",
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"[loadAddress] [[hostIPaddr:]bootfilename]"
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);
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#endif
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#if defined(CONFIG_CMD_NFS)
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int do_nfs (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return netboot_common(NFS, cmdtp, argc, argv);
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}
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U_BOOT_CMD(
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nfs, 3, 1, do_nfs,
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"boot image via network using NFS protocol",
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"[loadAddress] [[hostIPaddr:]bootfilename]"
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);
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#endif
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static void netboot_update_env (void)
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{
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char tmp[22];
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if (NetOurGatewayIP) {
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ip_to_string (NetOurGatewayIP, tmp);
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setenv ("gatewayip", tmp);
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}
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if (NetOurSubnetMask) {
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ip_to_string (NetOurSubnetMask, tmp);
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setenv ("netmask", tmp);
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}
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if (NetOurHostName[0])
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setenv ("hostname", NetOurHostName);
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if (NetOurRootPath[0])
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setenv ("rootpath", NetOurRootPath);
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if (NetOurIP) {
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ip_to_string (NetOurIP, tmp);
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setenv ("ipaddr", tmp);
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}
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if (NetServerIP) {
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ip_to_string (NetServerIP, tmp);
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setenv ("serverip", tmp);
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}
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if (NetOurDNSIP) {
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ip_to_string (NetOurDNSIP, tmp);
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setenv ("dnsip", tmp);
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}
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#if defined(CONFIG_BOOTP_DNS2)
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if (NetOurDNS2IP) {
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ip_to_string (NetOurDNS2IP, tmp);
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setenv ("dnsip2", tmp);
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}
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#endif
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if (NetOurNISDomain[0])
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setenv ("domain", NetOurNISDomain);
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#if defined(CONFIG_CMD_SNTP) \
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&& defined(CONFIG_BOOTP_TIMEOFFSET)
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if (NetTimeOffset) {
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sprintf (tmp, "%d", NetTimeOffset);
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setenv ("timeoffset", tmp);
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}
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#endif
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#if defined(CONFIG_CMD_SNTP) \
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&& defined(CONFIG_BOOTP_NTPSERVER)
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if (NetNtpServerIP) {
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ip_to_string (NetNtpServerIP, tmp);
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setenv ("ntpserverip", tmp);
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}
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#endif
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}
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static int
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netboot_common (proto_t proto, cmd_tbl_t *cmdtp, int argc, char * const argv[])
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{
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char *s;
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char *end;
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int rcode = 0;
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int size;
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ulong addr;
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/* pre-set load_addr */
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if ((s = getenv("loadaddr")) != NULL) {
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load_addr = simple_strtoul(s, NULL, 16);
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}
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switch (argc) {
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case 1:
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break;
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case 2: /*
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* Only one arg - accept two forms:
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* Just load address, or just boot file name. The latter
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* form must be written in a format which can not be
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* mis-interpreted as a valid number.
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*/
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addr = simple_strtoul(argv[1], &end, 16);
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if (end == (argv[1] + strlen(argv[1])))
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load_addr = addr;
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else
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copy_filename(BootFile, argv[1], sizeof(BootFile));
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break;
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case 3: load_addr = simple_strtoul(argv[1], NULL, 16);
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copy_filename (BootFile, argv[2], sizeof(BootFile));
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break;
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default:
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show_boot_progress (-80);
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return cmd_usage(cmdtp);
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}
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show_boot_progress (80);
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if ((size = NetLoop(proto)) < 0) {
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show_boot_progress (-81);
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return 1;
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}
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show_boot_progress (81);
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/* NetLoop ok, update environment */
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netboot_update_env();
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/* done if no file was loaded (no errors though) */
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if (size == 0) {
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show_boot_progress (-82);
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return 0;
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}
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/* flush cache */
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flush_cache(load_addr, size);
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/* Loading ok, check if we should attempt an auto-start */
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if (((s = getenv("autostart")) != NULL) && (strcmp(s,"yes") == 0)) {
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char *local_args[2];
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local_args[0] = argv[0];
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local_args[1] = NULL;
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printf ("Automatic boot of image at addr 0x%08lX ...\n",
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load_addr);
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show_boot_progress (82);
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rcode = do_bootm (cmdtp, 0, 1, local_args);
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}
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if (rcode < 0)
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show_boot_progress (-83);
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else
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show_boot_progress (84);
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return rcode;
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}
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#if defined(CONFIG_CMD_PING)
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int do_ping (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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if (argc < 2)
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return -1;
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NetPingIP = string_to_ip(argv[1]);
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if (NetPingIP == 0)
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return cmd_usage(cmdtp);
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if (NetLoop(PING) < 0) {
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printf("ping failed; host %s is not alive\n", argv[1]);
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return 1;
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}
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printf("host %s is alive\n", argv[1]);
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return 0;
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}
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U_BOOT_CMD(
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ping, 2, 1, do_ping,
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"send ICMP ECHO_REQUEST to network host",
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"pingAddress"
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);
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#endif
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#if defined(CONFIG_CMD_CDP)
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static void cdp_update_env(void)
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{
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char tmp[16];
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if (CDPApplianceVLAN != htons(-1)) {
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printf("CDP offered appliance VLAN %d\n", ntohs(CDPApplianceVLAN));
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VLAN_to_string(CDPApplianceVLAN, tmp);
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setenv("vlan", tmp);
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NetOurVLAN = CDPApplianceVLAN;
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}
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if (CDPNativeVLAN != htons(-1)) {
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printf("CDP offered native VLAN %d\n", ntohs(CDPNativeVLAN));
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VLAN_to_string(CDPNativeVLAN, tmp);
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setenv("nvlan", tmp);
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NetOurNativeVLAN = CDPNativeVLAN;
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}
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}
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int do_cdp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int r;
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r = NetLoop(CDP);
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if (r < 0) {
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printf("cdp failed; perhaps not a CISCO switch?\n");
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return 1;
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}
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cdp_update_env();
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return 0;
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}
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U_BOOT_CMD(
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cdp, 1, 1, do_cdp,
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"Perform CDP network configuration",
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"\n"
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);
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#endif
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#if defined(CONFIG_CMD_SNTP)
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int do_sntp (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *toff;
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if (argc < 2) {
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NetNtpServerIP = getenv_IPaddr ("ntpserverip");
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if (NetNtpServerIP == 0) {
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printf ("ntpserverip not set\n");
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return (1);
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}
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} else {
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NetNtpServerIP = string_to_ip(argv[1]);
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if (NetNtpServerIP == 0) {
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printf ("Bad NTP server IP address\n");
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return (1);
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}
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}
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toff = getenv ("timeoffset");
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if (toff == NULL) NetTimeOffset = 0;
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else NetTimeOffset = simple_strtol (toff, NULL, 10);
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if (NetLoop(SNTP) < 0) {
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printf("SNTP failed: host %s not responding\n", argv[1]);
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return 1;
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}
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return 0;
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}
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U_BOOT_CMD(
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sntp, 2, 1, do_sntp,
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"synchronize RTC via network",
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"[NTP server IP]\n"
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);
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#endif
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#if defined(CONFIG_CMD_DNS)
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int do_dns(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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if (argc == 1)
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return cmd_usage(cmdtp);
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/*
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* We should check for a valid hostname:
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* - Each label must be between 1 and 63 characters long
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* - the entire hostname has a maximum of 255 characters
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* - only the ASCII letters 'a' through 'z' (case-insensitive),
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* the digits '0' through '9', and the hyphen
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* - cannot begin or end with a hyphen
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* - no other symbols, punctuation characters, or blank spaces are
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* permitted
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* but hey - this is a minimalist implmentation, so only check length
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* and let the name server deal with things.
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*/
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if (strlen(argv[1]) >= 255) {
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printf("dns error: hostname too long\n");
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return 1;
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}
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NetDNSResolve = argv[1];
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if (argc == 3)
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NetDNSenvvar = argv[2];
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else
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NetDNSenvvar = NULL;
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if (NetLoop(DNS) < 0) {
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printf("dns lookup of %s failed, check setup\n", argv[1]);
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return 1;
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}
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return 0;
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}
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U_BOOT_CMD(
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dns, 3, 1, do_dns,
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"lookup the IP of a hostname",
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"hostname [envvar]"
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);
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#endif /* CONFIG_CMD_DNS */
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