Initial revision

1 files changed, 164 insertions, 0 deletions

diff --git a/common/cmd_net.c b/common/cmd_net.c
new file mode 100644
index 0000000..c9ce85f
--- /dev/null
+++ 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 */