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bcm63xx: Add firmware helpers for T-Home Speedport W 303V

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Add two helpers for generating correctly tagged images for the T-Home
Speedport W 303V Typ B as well as xor'd ones as required by CFE.

Signed-off-by: Jonas Gorski <jonas.gorski+openwrt@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26877 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
florian 2011-05-11 13:34:05 +00:00
parent 4b5057ec0f
commit c2fec0edf0
3 changed files with 379 additions and 0 deletions
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2
tools/firmware-utils/Makefile
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@ -47,7 +47,9 @@ define Host/Compile
$(call cc,mktitanimg)
$(call cc,mkchkimg)
$(call cc,mkzcfw cyg_crc32)
$(call cc,spw303v)
$(call cc,trx2edips)
$(call cc,xorimage)
endef
define Host/Install

242
tools/firmware-utils/src/spw303v.c Normal file
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@ -0,0 +1,242 @@
/*
* spw303v.c - partially based on OpenWrt's imagetag.c and addpattern.c
*
* Copyright (C) 2011 Jonas Gorski <jonas.gorski@gmail.com>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <unistd.h>
#include <sys/stat.h>
#define IMAGE_LEN 10 /* Length of Length Field */
#define ADDRESS_LEN 12 /* Length of Address field */
#define TAGID_LEN 6 /* Length of tag ID */
#define TAGINFO_LEN 20 /* Length of vendor information field in tag */
#define TAGVER_LEN 4 /* Length of Tag Version */
#define TAGLAYOUT_LEN 4 /* Length of FlashLayoutVer */
struct spw303v_tag
{
unsigned char tagVersion[4]; // tag version. Will be 2 here.
unsigned char signiture_1[20]; // text line for company info
unsigned char signiture_2[14]; // additional info (can be version number)
unsigned char chipId[6]; // chip id
unsigned char boardId[16]; // board id
unsigned char bigEndian[2]; // if = 1 - big, = 0 - little endia of the host
unsigned char totalImageLen[IMAGE_LEN]; // the sum of all the following length
unsigned char cfeAddress[ADDRESS_LEN]; // if non zero, cfe starting address
unsigned char cfeLen[IMAGE_LEN]; // if non zero, cfe size in clear ASCII text.
unsigned char rootfsAddress[ADDRESS_LEN]; // if non zero, filesystem starting address
unsigned char rootfsLen[IMAGE_LEN]; // if non zero, filesystem size in clear ASCII text.
unsigned char kernelAddress[ADDRESS_LEN]; // if non zero, kernel starting address
unsigned char kernelLen[IMAGE_LEN]; // if non zero, kernel size in clear ASCII text.
unsigned char certf1Address[ADDRESS_LEN];
unsigned char certf1Len[6];
unsigned char certf2Address[ADDRESS_LEN];
unsigned char certf2Len[6];
unsigned char certf3Address[ADDRESS_LEN];
unsigned char certf3Len[6];
unsigned char httpsFileSize[4];
unsigned char tr64FileSize[4];
unsigned char tr69FileSize[4];
unsigned char filesmap[4];
unsigned char imageSequence[4]; // incrments everytime an image is flashed
unsigned char reserved[4]; // reserved for later use
unsigned char imageCRC[4]; // 216-219: CRC32 of images
unsigned char reserved2[16]; // 220-235: Unused at present
unsigned char headerCRC[4]; // 236-239: CRC32 of header excluding tagVersion
unsigned char reserved3[16]; // 240-255: Unused at present
};
static uint32_t crc32tab[256] = {
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};
#define IMAGETAG_CRC_START 0xFFFFFFFF
#define IMAGETAG_MAGIC1_TCOM "AAAAAAAA Corporatio"
static char fake_data[] = {
0x18, 0x21, 0x21, 0x18, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21 ,0x18,
0x21, 0x24, 0x21, 0x1b, 0x18, 0x18, 0x24, 0x24, 0x18, 0x21, 0x21, 0x21,
0x21, 0x21, 0x21, 0x21, 0x1b, 0x18, 0x18, 0x24, 0x24, 0x21, 0x21, 0x21,
0x21, 0x21, 0x21, 0x21, 0x18, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x18,
0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x21, 0x18, 0x21, 0x21,
0x21, 0x21, 0x21, 0x21,
};
uint32_t crc32(uint32_t crc, uint8_t *data, size_t len)
{
while (len--)
crc = (crc >> 8) ^ crc32tab[(crc ^ *data++) & 0xFF];
return crc;
}
void fix_header(void *buf)
{
struct spw303v_tag *tag = buf;
uint32_t crc;
/* Replace signature with custom t-com one */
memset(tag->signiture_1, 0, 20);
memcpy(tag->signiture_1, IMAGETAG_MAGIC1_TCOM, strlen(IMAGETAG_MAGIC1_TCOM));
/* Clear cert fields to remove information_* data */
memset(tag->certf1Address, 0, 74);
/* replace image crc with modified one */
crc = ntohl(*((uint32_t *)&tag->imageCRC));
crc = htonl(crc32(crc, fake_data, 64));
memcpy(tag->imageCRC, &crc, 4);
/* Update tag crc */
crc = htonl(crc32(IMAGETAG_CRC_START, buf, 236));
memcpy(tag->headerCRC, &crc, 4);
}
void usage(void) __attribute__ (( __noreturn__ ));
void usage(void)
{
fprintf(stderr, "Usage: spw303v [-i <inputfile>] [-o <outputfile>]\n");
exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
{
char buf[1024]; /* keep this at 1k or adjust garbage calc below */
FILE *in = stdin;
FILE *out = stdout;
char *ifn = NULL;
char *ofn = NULL;
int c;
int v0, v1, v2;
size_t n;
int first_block = 1;
uint32_t image_crc = IMAGETAG_CRC_START;
while ((c = getopt(argc, argv, "i:o:h")) != -1) {
switch (c) {
case 'i':
ifn = optarg;
break;
case 'o':
ofn = optarg;
break;
case 'h':
default:
usage();
}
}
if (optind != argc || optind == 1) {
fprintf(stderr, "illegal arg \"%s\"\n", argv[optind]);
usage();
}
if (ifn && !(in = fopen(ifn, "r"))) {
fprintf(stderr, "can not open \"%s\" for reading\n", ifn);
usage();
}
if (ofn && !(out = fopen(ofn, "w"))) {
fprintf(stderr, "can not open \"%s\" for writing\n", ofn);
usage();
}
while ((n = fread(buf, 1, sizeof(buf), in)) > 0) {
if (n < sizeof(buf)) {
if (ferror(in)) {
FREAD_ERROR:
fprintf(stderr, "fread error\n");
return EXIT_FAILURE;
}
}
if (first_block && n >= 256) {
fix_header(buf);
first_block = 0;
}
image_crc = crc32(image_crc, buf, n);
if (!fwrite(buf, n, 1, out)) {
FWRITE_ERROR:
fprintf(stderr, "fwrite error\n");
return EXIT_FAILURE;
}
}
if (ferror(in)) {
goto FREAD_ERROR;
}
if (fflush(out)) {
goto FWRITE_ERROR;
}
fclose(in);
fclose(out);
return EXIT_SUCCESS;
}

135
tools/firmware-utils/src/xorimage.c Normal file
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@ -0,0 +1,135 @@
/*
* xorimage.c - partially based on OpenWrt's addpattern.c
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <time.h>
#include <unistd.h>
#include <sys/stat.h>
static char default_pattern[] = "12345678";
int xor_data(uint8_t *data, size_t len, const uint8_t *pattern, int p_len, int p_off)
{
int offset = p_off;
while (len--) {
*data ^= pattern[offset];
data++;
offset = (offset + 1) % p_len;
}
return offset;
}
void usage(void) __attribute__ (( __noreturn__ ));
void usage(void)
{
fprintf(stderr, "Usage: xorimage [-i infile] [-o outfile] [-p <pattern>]\n");
exit(EXIT_FAILURE);
}
int main(int argc, char **argv)
{
char buf[1024]; /* keep this at 1k or adjust garbage calc below */
FILE *in = stdin;
FILE *out = stdout;
char *ifn = NULL;
char *ofn = NULL;
const char *pattern = default_pattern;
int c;
int v0, v1, v2;
size_t n;
int p_len, p_off = 0;
while ((c = getopt(argc, argv, "i:o:p:h")) != -1) {
switch (c) {
case 'i':
ifn = optarg;
break;
case 'o':
ofn = optarg;
break;
case 'p':
pattern = optarg;
break;
case 'h':
default:
usage();
}
}
if (optind != argc || optind == 1) {
fprintf(stderr, "illegal arg \"%s\"\n", argv[optind]);
usage();
}
if (ifn && !(in = fopen(ifn, "r"))) {
fprintf(stderr, "can not open \"%s\" for reading\n", ifn);
usage();
}
if (ofn && !(out = fopen(ofn, "w"))) {
fprintf(stderr, "can not open \"%s\" for writing\n", ofn);
usage();
}
p_len = strlen(pattern);
if (p_len == 0) {
fprintf(stderr, "pattern cannot be empty\n");
usage();
}
while ((n = fread(buf, 1, sizeof(buf), in)) > 0) {
if (n < sizeof(buf)) {
if (ferror(in)) {
FREAD_ERROR:
fprintf(stderr, "fread error\n");
return EXIT_FAILURE;
}
}
p_off = xor_data(buf, n, pattern, p_len, p_off);
if (!fwrite(buf, n, 1, out)) {
FWRITE_ERROR:
fprintf(stderr, "fwrite error\n");
return EXIT_FAILURE;
}
}
if (ferror(in)) {
goto FREAD_ERROR;
}
if (fflush(out)) {
goto FWRITE_ERROR;
}
fclose(in);
fclose(out);
return EXIT_SUCCESS;
}