1 files changed, 75 insertions, 0 deletions
diff --git a/src/fpid.c b/src/fpid.c
new file mode 100644
index 0000000..93bf205
--- /dev/null
+++ b/src/fpid.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2007
+ *       pancake <pancake@youterm.com>
+ *
+ * 0xFFFF 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.
+ *
+ * 0xFFFF 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 0xFFFF; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "main.h"
+#include <stdio.h>
+#include <string.h>
+
+char *fpid_file(char *filename)
+{
+	FILE *fd;
+	char buf[512];
+	unsigned char *b = (unsigned char *)&buf;
+	char *piece = NULL;
+	long size;
+
+	// 2nd      : +0x34 = 2NDAPE
+	// secondary: +0x04 = NOLOScnd
+	// x-loader : +0x14 = X-LOADER
+	// xloader8 : +0x0c = NOLOXldr
+	// kernel   : +0x00 = 0000 a0e1 0000 a0e1
+	// initfs   : <2M...be sure with 3M 0x300000
+
+	fd = fopen(filename, "r");
+	if (fd == NULL) {
+		printf("Cannot open file '%s'\n", filename);
+		return NULL;
+	}
+	fread(buf, 512, 1, fd);
+	fseek(fd, 0, SEEK_END);
+	size = ftell(fd);
+	fclose(fd);
+
+#if 0
+	if (!memcmp(b+0x34, "2NDAPE", 6))
+		return PIECE_2ND;
+	else
+#endif
+	if (!memcmp(b+0x04, "NOLOScnd", 8))
+		return pieces[PIECE_SECONDARY];
+	else
+	if (!memcmp(b+0x14, "X-LOADER", 8))
+		return pieces[PIECE_XLOADER];
+	else
+	if (!memcmp(b+0x0c, "NOLOXldr", 8)) // TODO: this is xloader800, not valid on 770?
+		return pieces[PIECE_XLOADER];
+	else
+	if (!memcmp(b+0x00, "\x00\x00\xa0\xe1\x00\x00\xa0\xe1", 8))
+		return pieces[PIECE_KERNEL];
+	else
+	if (!memcmp(b+0x00, "\x85\x19\x01\xe0", 4)) {
+		/*/ is jffs2 */
+		if (size < 0x300000)
+			return pieces[PIECE_INITFS];
+		return pieces[PIECE_ROOTFS];
+	}
+
+	return piece;
+}