/* * (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 <armboot.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># endifextern int do_bootm (cmd_tbl_t *, bd_t *, int, int, char *[]);static int netboot_common (int, cmd_tbl_t *, bd_t *, int , char *[]);int do_bootp (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]){	return netboot_common (BOOTP, cmdtp, bd, argc, argv);}int do_tftpb (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]){	return netboot_common (TFTP, cmdtp, bd, argc, argv);}int do_rarpb (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]){	return netboot_common (RARP, cmdtp, bd, argc, argv);}#if (CONFIG_COMMANDS & CFG_CMD_DHCP)int do_dhcp (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]){	return netboot_common(DHCP, cmdtp, bd, argc, argv);}#endif	/* CFG_CMD_DHCP */static void netboot_update_env(void){    char tmp[12] ;    if (NetOurGatewayIP) {	ip_to_string (NetOurGatewayIP, tmp);	setenv(Net_bd, "gatewayip", tmp);    }    if (NetOurSubnetMask) {	ip_to_string (NetOurSubnetMask, tmp);	setenv(Net_bd, "netmask", tmp);    }    if (NetOurHostName[0])	setenv(Net_bd, "hostname", NetOurHostName);    if (NetOurRootPath[0])	setenv(Net_bd, "rootpath", NetOurRootPath);    if (NetOurIP) {	ip_to_string (NetOurIP, tmp);	setenv(Net_bd, "ipaddr", tmp);    }    if (NetServerIP) {	ip_to_string (NetServerIP, tmp);	setenv(Net_bd, "serverip", tmp);    }    if (NetOurDNSIP) {	ip_to_string (NetOurDNSIP, tmp);	setenv(Net_bd, "dnsip", tmp);    }}static intnetboot_common (int proto, cmd_tbl_t *cmdtp, bd_t *bd, int argc, char *argv[]){	char *s;	int rc = 0;   	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 (NetLoop(bd, proto) == 0)		return 0;	/* NetLoop ok, update environment */	netboot_update_env();	/* Loading ok, check if we should attempt an auto-start */	if (((s = getenv(Net_bd, "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);		rc = do_bootm (cmdtp, bd, 0, 1, local_args);	}#ifdef CONFIG_AUTOSCRIPT	if (rc == 0 && 	    ((s = getenv(Net_bd, "autoscript")) != NULL) && (strcmp(s,"yes") == 0)) {		printf("Running autoscript at addr 0x%08lX ...\n", load_addr);		rc = autoscript (bd, load_addr);	}#endif	return rc;}#endif	/* CFG_CMD_NET */