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/*
* (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 */