+/*
+ * makeamitbin - create firmware binaries for MGB100
+ *
+ * Copyright (C) 2007 Volker Weiss <dev@tintuc.de>
+ * Christian Welzel <dev@welzel-online.ch>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* defaults: Level One WAP-0007 */
+static char *ascii1 = "DDC_RUS001";
+static char *ascii2 = "Queen";
+
+static struct hdrinfo {
+ char *name;
+ unsigned long unknown; /* can probably be any number, maybe version number */
+ int topalign;
+ unsigned int addr;
+ unsigned int size;
+} hdrinfo[] = {
+ { "bios", 0xc76be111, 1, 0x3fa000, 0x006000 }, /* BIOS */
+ { "recovery", 0xc76be222, 0, 0x3f0000, 0x004000 }, /* Recovery Loader */
+ { "linux", 0xc76bee9d, 0, 0x000000, 0x100000 }, /* Linux */
+ { "ramdisk", 0xc76bee9d, 0, 0x100000, 0x280000 }, /* ramdisk */
+ { "amitconfig", 0xc76bee8b, 0, 0x380000, 0x060000 }, /* AMIT config */
+ { "redboot", 0x00000000, 1, 0x3d0000, 0x030000 }, /* Redboot 128kB image */
+ { "redbootlow", 0, 0, 0x3e0000, 0x18000 }, /* Redboot 1. part */
+ { "redboothigh", 0, 0, 0x3fa000, 0x6000 }, /* Redboot 2. part */
+ { "linux3g", 0xcb5f06b5, 0, 0x000000, 0x100000 }, /* Linux */
+ { "ramdisk3g", 0xcb5f06b5, 0, 0x100000, 0x280000 }, /* ramdisk */
+ { NULL }
+};
+
+/*
+CHD2WLANU_R400b7
+
+11e1 6bc7
+22e2 6bc7
+5dc3 47c8
+5cc3 47c8
+21c3 47c8
+*/
+
+/*
+20060106_DDC_WAP-0007_R400b4
+
+11e1 6bc7
+22e2 6bc7
+9dee 6bc7
+9dee 6bc7
+8bee 6bc7
+*/
+
+/*
+WMU-6000FS_R400b6
+
+11e1 6bc7
+22e2 6bc7
+6d2d 0fc8
+6c2d 0fc8
+542d 0fc8
+*/
+
+/*
+WAP-0007(R4.00b8)_2006-10-02
+
+9979 5fc8
+22e2 6bc7
+c46e cec8
+c36e cec8
+a76e cec8
+*/
+
+
+
+#define HDRSIZE 80
+
+#define COPY_SHORT(d, o, v) d[o+0] = (unsigned char)((v) & 0xff); \
+ d[o+1] = (unsigned char)(((v) >> 8) & 0xff)
+#define COPY_LONG(d, o, v) d[o+0] = (unsigned char)((v) & 0xff); \
+ d[o+1] = (unsigned char)(((v) >> 8) & 0xff); \
+ d[o+2] = (unsigned char)(((v) >> 16) & 0xff); \
+ d[o+3] = (unsigned char)(((v) >> 24) & 0xff)
+#define READ_SHORT(d, o) ((unsigned short)(d[o+0]) + \
+ (((unsigned short)(d[o+1])) << 8))
+
+/*
+00..0d ASCII product ID
+0e..0f checksum of payload
+10..1b ASCII Queen
+1c..1f AMIT BIOS: 11e1 6bc7, Recovery Tool: 22e2 6bc7
+ Linux: 5dc3 47c8, ramdisk: 5cc3 47c8
+ AMIT FS: 21c3 47c8 VERSION NUMBER??????
+20..23 offset in flash aligned to segment boundary
+24..27 length in flash aligned to segment boundary
+28..2b offset in flash (payload)
+2c..2f length (payload)
+30..3f always 0
+40..47 always 4248 0101 5000 0001 (last maybe .....0501)
+48..4b same as 20..23
+4c..4d always 0b00
+4e..4f inverted checksum of header
+*/
+
+unsigned short checksum(unsigned char *data, long size)
+{
+ long n;
+ unsigned short d, cs = 0;
+ for (n = 0; n < size; n += 2)
+ {
+ d = READ_SHORT(data, n);
+ cs += d;
+ if (cs < d)
+ cs++;
+ }
+ if (size & 1)
+ {
+ d = data[n];
+ cs += d;
+ if (cs < d)
+ cs++;
+ }
+ return cs;
+}
+
+void showhdr(unsigned char *hdr)
+{
+ int i, j;
+ for (j = 0; j < 5; j++)
+ {
+ for (i = 0; i < 16; i++)
+ {
+ printf("%02x ", (unsigned int)(hdr[j * 16 + i]));
+ }
+ printf(" ");
+ for (i = 0; i < 16; i++)
+ {
+ unsigned char d = hdr[j * 16 + i];
+ printf("%c", (d >= ' ' && d < 127) ? d : '.');
+ }
+ printf("\n");
+ }
+}
+
+void makehdr(unsigned char *hdr, struct hdrinfo *info,
+ unsigned char *data, long size, int last)
+{
+ unsigned int offset = info->addr + 0x10;
+ memset(hdr, 0, HDRSIZE);
+ if (info->topalign)
+ offset = info->addr + info->size - size; /* top align */
+ strncpy((char *)hdr + 0x00, ascii1, 14);
+ strncpy((char *)hdr + 0x10, ascii2, 12);
+ COPY_LONG(hdr, 0x1c, info->unknown);
+ COPY_LONG(hdr, 0x20, info->addr);
+ COPY_LONG(hdr, 0x24, info->size);
+ COPY_LONG(hdr, 0x28, offset);
+ COPY_LONG(hdr, 0x2c, size);
+ COPY_LONG(hdr, 0x40, 0x01014842);
+ COPY_LONG(hdr, 0x44, last ? 0x01050050 : 0x01000050);
+ COPY_LONG(hdr, 0x48, info->addr);
+ COPY_SHORT(hdr, 0x4c, info->unknown == 0xcb5f06b5 ? 0x0016 : 0x000b);
+ COPY_SHORT(hdr, 0x0e, checksum(data, size));
+ COPY_SHORT(hdr, 0x4e, ~checksum(hdr, HDRSIZE));
+}
+
+unsigned char *read_file(const char *name, long *size)
+{
+ FILE *f;
+ unsigned char *data = NULL;
+ *size = 0;
+ f = fopen(name, "r");
+ if (f != NULL)
+ {
+ if (fseek(f, 0, SEEK_END) == 0)
+ {
+ *size = ftell(f);
+ if (*size != -1)
+ {
+ if (fseek(f, 0, SEEK_SET) == 0)
+ {
+ data = (unsigned char *)malloc(*size);
+ if (data != NULL)
+ {
+ if (fread(data, sizeof(char), *size, f) != *size)
+ {
+ free(data);
+ data = NULL;
+ }
+ }
+ }
+ }
+ }
+ fclose(f);
+ }
+ return data;
+}
+
+struct hdrinfo *find_hdrinfo(const char *name)
+{
+ int n;
+ for (n = 0; hdrinfo[n].name != NULL; n++)
+ {
+ if (strcmp(name, hdrinfo[n].name) == 0)
+ return &hdrinfo[n];
+ }
+ return NULL;
+}
+
+void oferror(FILE *f)
+{
+ printf("file error\n");
+ exit(2);
+}
+
+void showhelp(void)
+{
+ printf("Syntax: makeamitbin [options]\n");
+ printf("Options:\n");
+ printf(" -1 ID1\tFirmware identifier 1, e.g. 'DDC_RUS001' for manufacturer LevelOne\n");
+ printf(" -2 ID2\tFirmware identifier 2, 'Queen' in all known cases\n");
+ printf(" -o FILE\tOutput file\n");
+ printf(" -ids\t\tShow a list of known firmware identifiers.\n");
+ exit(1);
+}
+
+void show_fwids(void)
+{
+ printf("List of known firmware identifiers:\n");
+ printf("Manufacturer\t\tProduct\t\tIdentifier\n");
+ printf("=====================================================\n");
+ printf("Conceptronic\t\tCHD2WLANU\tLLM_RUS001\n");
+ printf("Pearl\t\t\tPE6643\t\tQueen\n");
+ printf("Micronica\t\tMGB100\t\tQueen\n");
+ printf("LevelOne\t\tWAP-0007\tDDC_RUS001\n");
+ printf("SMC\t\t\tWAPS-G\t\tSMC_RUS001\n");
+ printf("OvisLink (AirLive)\tWMU-6\t\tOVS_RUS001\n");
+ printf("SafeCom SWSAPUR-5\tFMW\t\tSafeco_RPS001\n");
+ exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+ unsigned char hdr[HDRSIZE];
+ unsigned char *data;
+ FILE *of;
+ char *outfile = NULL;
+ char *type;
+ struct hdrinfo *info;
+ long size;
+ int last = 0;
+ int n;
+ for (n = 1; n < argc; n++)
+ {
+ if (strcmp(argv[n], "-1") == 0)
+ ascii1 = argv[n+1];
+ if (strcmp(argv[n], "-2") == 0)
+ ascii2 = argv[n+1];
+ if (strcmp(argv[n], "-o") == 0)
+ outfile = argv[n+1];
+ if (strcmp(argv[n], "-ids") == 0)
+ show_fwids();
+ }
+ if (ascii1 == NULL || ascii2 == NULL || outfile == NULL)
+ showhelp();
+ of = fopen(outfile, "w");
+ if (of == NULL)
+ oferror(of);
+ for (n = 1; n < argc; n++)
+ {
+ if (strncmp(argv[n], "-", 1) != 0)
+ {
+ type = argv[n++];
+ if (n >= argc)
+ showhelp();
+ last = ((n + 1) >= argc); /* dirty, options first! */
+ info = find_hdrinfo(type);
+ if (info == NULL)
+ showhelp();
+ data = read_file(argv[n], &size);
+ if (data == NULL)
+ showhelp();
+ makehdr(hdr, info, data, size, last);
+ /* showhdr(hdr); */
+ if (fwrite(hdr, HDRSIZE, 1, of) != 1)
+ oferror(of);
+ if (fwrite(data, size, 1, of) != 1)
+ oferror(of);
+ free(data);
+ }
+ else
+ n++;
+ }
+ if (fclose(of) != 0)
+ oferror(NULL);
+ return 0;
+}
projects / openwrt.git / commitdiff