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authorwdenk <wdenk>2002-08-27 05:55:31 +0000
committerwdenk <wdenk>2002-08-27 05:55:31 +0000
commit3863585bb1c1e8f89b4a2e90c4b83f8b81b8e029 (patch)
treed23ca6b76e08fd06d675c32f72d1082173e7eaf1 /common/cmd_net.c
parentf8cac651b33efa270e4dfa1292d01a3b5d7a62cf (diff)
downloadu-boot-linaro-natty-3863585bb1c1e8f89b4a2e90c4b83f8b81b8e029.tar.gz
Initial revision
Diffstat (limited to 'common/cmd_net.c')
-rw-r--r--common/cmd_net.c164
1 files changed, 164 insertions, 0 deletions
diff --git a/common/cmd_net.c b/common/cmd_net.c
new file mode 100644
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+++ 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 */