Initial revision

board/hymod/fetch.c

+/*
+ * (C) Copyright 2001
+ * Murray Jensen, CSIRO Manufacturing Science and Technology,
+ * <Murray.Jensen@cmst.csiro.au>
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <net.h>
+
+/* imports from common/main.c */
+extern char console_buffer[CFG_CBSIZE];
+
+int
+fetch_and_parse(bd_t *bd, char *fn, ulong addr, int (*cback)(uchar *, uchar *))
+{
+    char *ethaddr;
+    uchar *fp, *efp;
+
+    while ((ethaddr = getenv("ethaddr")) == NULL || *ethaddr == '\0') {
+
+	puts("*** Ethernet address is not set\n");
+
+	for (;;) {
+	    int n;
+
+	    n = readline("Enter board ethernet address: ");
+
+	    if (n < 0) {
+		puts("\n");
+		return (0);
+	    }
+
+	    if (n == 0)
+		continue;
+
+	    if (n == 17) {
+		int i;
+		char *p, *q;
+		uchar ea[6];
+
+		/* see if it looks like an ethernet address */
+
+		p = console_buffer;
+
+		for (i = 0; i < 6; i++) {
+		    char term = (i == 5 ? '\0' : ':');
+
+		    ea[i] = simple_strtol(p, &q, 16);
+
+		    if ((q - p) != 2 || *q++ != term)
+			break;
+
+		    p = q;
+		}
+
+		if (i == 6) {
+		    /* it looks ok - set it */
+		    printf("Setting ethernet address to %s\n", console_buffer);
+		    setenv("ethaddr", console_buffer);
+
+		    puts("Remember to do a 'saveenv' to make it permanent\n");
+		    break;
+		}
+	    }
+
+	    printf("Invalid ethernet address (%s) - please re-enter\n",
+		console_buffer);
+	}
+    }
+
+    copy_filename(BootFile, fn, sizeof (BootFile));
+    load_addr = addr;
+
+    if (NetLoop(TFTP) == 0) {
+	printf("tftp transfer of file '%s' failed\n", fn);
+	return (0);
+    }
+
+    if (NetBootFileXferSize == 0) {
+	printf("can't determine size of file '%s'\n", fn);
+	return (0);
+    }
+
+    fp = (uchar *)load_addr;
+    efp = fp + NetBootFileXferSize;
+
+    do {
+	uchar *name, *value;
+
+	if (*fp == '#' || *fp == '\n') {
+	    while (fp < efp && *fp++ != '\n')
+		;
+	    continue;
+	}
+
+	name = fp;
+
+	while (fp < efp && *fp != '=')
+	    if (*fp++ == '\n')
+		name = fp;
+
+	if (fp >= efp)
+	    break;
+
+	*fp++ = '\0';
+
+	value = fp;
+
+	while (fp < efp && *fp != '\n')
+	    fp++;
+
+	/* ok if we go off the end here */
+
+	if (fp[-1] == '\r')
+	    fp[-1] = '\0';
+	*fp++ = '\0';
+
+	if ((*cback)(name, value) == 0)
+	    return (0);
+
+    } while (fp < efp);
+
+    return (1);
+}