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[openwrt.git] / tools / firmware-utils / src / imagetag.c
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Axel Gembe <ago@bastart.eu.org>
7 * Copyright (C) 2009 Daniel Dickinson <crazycshore@gmail.com>
8 */
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string.h>
13 #include <stdint.h>
14 #include <time.h>
15 #include <unistd.h>
16 #include <sys/stat.h>
17 #include <netinet/in.h>
18
19 #include "bcm_tag.h"
20
21 #define IMAGETAG_MAGIC1 "Broadcom Corporatio"
22 #define IMAGETAG_MAGIC2 "ver. 2.0"
23 #define IMAGETAG_VER "6"
24 #define IMAGETAG_DEFAULT_LOADADDR 0x80010000
25 #define DEFAULT_FW_OFFSET 0x10000
26 #define DEFAULT_FLASH_START 0xBFC00000
27 #define DEFAULT_FLASH_BS (64 * 1024)
28 #define DEADCODE 0xDEADC0DE
29
30 union int2char {
31 uint32_t input;
32 unsigned char output[4];
33 };
34
35 /* This appears to be necessary due to alignment issues */
36 #define int2tag(tag, value) intchar.input = htonl(value); \
37 strncpy(tag, intchar.output, sizeof(union int2char))
38
39 /* Kernel header */
40 struct kernelhdr {
41 uint32_t loadaddr; /* Kernel load address */
42 uint32_t entry; /* Kernel entry point address */
43 uint32_t lzmalen; /* Compressed length of the LZMA data that follows */
44 };
45
46 static struct tagiddesc_t tagidtab[NUM_TAGID] = TAGID_DEFINITIONS;
47
48 static uint32_t crc32tab[256] = {
49 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
50 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
51 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
52 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
53 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
54 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
55 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
56 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
57 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
58 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
59 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
60 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
61 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
62 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
63 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
64 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
65 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
66 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
67 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
68 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
69 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
70 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
71 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
72 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
73 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
74 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
75 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
76 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
77 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
78 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
79 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
80 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
81 };
82
83 uint32_t crc32(uint32_t crc, uint8_t *data, size_t len)
84 {
85 while (len--)
86 crc = (crc >> 8) ^ crc32tab[(crc ^ *data++) & 0xFF];
87
88 return crc;
89 }
90
91 uint32_t compute_crc32(uint32_t crc, FILE *binfile, size_t compute_start, size_t compute_len)
92 {
93 uint8_t readbuf[1024];
94 size_t read;
95
96 fseek(binfile, compute_start, SEEK_SET);
97
98 /* read block of 1024 bytes */
99 while (binfile && !feof(binfile) && !ferror(binfile) && (compute_len >= sizeof(readbuf))) {
100 read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), binfile);
101 crc = crc32(crc, readbuf, read);
102 compute_len = compute_len - read;
103 }
104
105 /* Less than 1024 bytes remains, read compute_len bytes */
106 if (binfile && !feof(binfile) && !ferror(binfile) && (compute_len > 0)) {
107 read = fread(readbuf, sizeof(uint8_t), compute_len, binfile);
108 crc = crc32(crc, readbuf, read);
109 }
110
111 return crc;
112 }
113
114 size_t getlen(FILE *fp)
115 {
116 size_t retval, curpos;
117
118 if (!fp)
119 return 0;
120
121 curpos = ftell(fp);
122 fseek(fp, 0, SEEK_END);
123 retval = ftell(fp);
124 fseek(fp, curpos, SEEK_SET);
125
126 return retval;
127 }
128
129 int tagfile(const char *kernel, const char *rootfs, const char *bin,
130 const char *boardid, const char *chipid, const uint32_t fwaddr,
131 const uint32_t loadaddr, const uint32_t entry,
132 const char *ver, const char *magic2, const uint32_t flash_bs,
133 const char *tagid, const char *information, const char *layoutver)
134 {
135 union bcm_tag tag;
136 struct kernelhdr khdr;
137 FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
138 size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen, rootfsoffpadlen, kernelfslen;
139 uint8_t readbuf[1024];
140 uint32_t imagecrc = IMAGETAG_CRC_START;
141 uint32_t kernelcrc = IMAGETAG_CRC_START;
142 uint32_t rootfscrc = IMAGETAG_CRC_START;
143 uint32_t kernelfscrc = IMAGETAG_CRC_START;
144 const uint32_t deadcode = htonl(DEADCODE);
145 union int2char intchar;
146
147 memset(&tag, 0, sizeof(union bcm_tag));
148
149 /* All imagetags have boardid in the same location and of the same
150 * size, so we just use the bccfe one
151 */
152 if (strlen(boardid) >= sizeof(tag.bccfe.boardid)) {
153 fprintf(stderr, "Board id is too long!\n");
154 return 1;
155 }
156
157 /* Likewise chipid */
158 if (strlen(chipid) >= sizeof(tag.bccfe.chipid)) {
159 fprintf(stderr, "Chip id is too long!\n");
160 return 1;
161 }
162
163 if (kernel && !(kernelfile = fopen(kernel, "rb"))) {
164 fprintf(stderr, "Unable to open kernel \"%s\"\n", kernel);
165 return 1;
166 }
167
168 if (rootfs && !(rootfsfile = fopen(rootfs, "rb"))) {
169 fprintf(stderr, "Unable to open rootfs \"%s\"\n", rootfs);
170 return 1;
171 }
172
173 if (!bin || !(binfile = fopen(bin, "wb+"))) {
174 fprintf(stderr, "Unable to open output file \"%s\"\n", bin);
175 return 1;
176 }
177
178 /* Build the kernel address and length (doesn't need to be aligned, read only) */
179 kerneloff = fwaddr + sizeof(tag);
180 kernellen = getlen(kernelfile);
181
182 /* Build the kernel header */
183 khdr.loadaddr = htonl(loadaddr);
184 khdr.entry = htonl(entry);
185 khdr.lzmalen = htonl(kernellen);
186
187 /* Increase the kernel size by the header size */
188 kernellen += sizeof(khdr);
189
190 /* Build the rootfs address and length (start and end do need to be aligned on flash erase block boundaries */
191 rootfsoff = kerneloff + kernellen;
192 rootfsoff = (rootfsoff % flash_bs) > 0 ? (((rootfsoff / flash_bs) + 1) * flash_bs) : rootfsoff;
193 rootfslen = getlen(rootfsfile);
194 rootfslen = ( (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen );
195 imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
196 rootfsoffpadlen = rootfsoff - (kerneloff + kernellen);
197
198 /* Seek to the start of the kernel */
199 fseek(binfile, kerneloff - fwaddr, SEEK_SET);
200
201 /* Write the kernel header */
202 fwrite(&khdr, sizeof(khdr), 1, binfile);
203
204 /* Write the kernel */
205 while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) {
206 read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile);
207 fwrite(readbuf, sizeof(uint8_t), read, binfile);
208 }
209
210 /* Write the RootFS */
211 fseek(binfile, rootfsoff - fwaddr, SEEK_SET);
212 while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) {
213 read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile);
214 fwrite(readbuf, sizeof(uint8_t), read, binfile);
215 }
216
217 /* Align image to specified erase block size and append deadc0de */
218 printf("Data alignment to %dk with 'deadc0de' appended\n", flash_bs/1024);
219 fseek(binfile, rootfsoff + rootfslen - fwaddr, SEEK_SET);
220 fwrite(&deadcode, sizeof(uint32_t), 1, binfile);
221
222 /* Flush the binfile buffer so that when we read from file, it contains
223 * everything in the buffer
224 */
225 fflush(binfile);
226
227 /* Choose and compute the CRC32 that should be inserted in the tag */
228 if ( tagid && ( (strncmp(tagid, "bccfe", TAGID_LEN) == 0)) || ( strncmp(tagid, "bc300", TAGID_LEN) == 0)) {
229 /* Compute the crc32 of the entire image (deadC0de included) */
230 imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
231 } else if ( tagid && (strncmp(tagid, "ag306", TAGID_LEN) == 0)) {
232 /* Compute the crc32 of the kernel and padding between kernel and rootfs) */
233 kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen);
234 } else if ( tagid && ( (strncmp(tagid, "bc221", TAGID_LEN) == 0))) {
235 /* Compute the crc32 of the entire image (deadC0de included) */
236 imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
237 /* Compute the crc32 of the kernel and padding between kernel and rootfs) */
238 kernelfscrc = compute_crc32(kernelfscrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen + rootfslen + sizeof(deadcode));
239 } else if ( tagid && (strncmp(tagid, "bc310", TAGID_LEN) == 0) ) {
240 /* Compute the crc32 of the entire image (deadC0de included) */
241 imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
242 /* Compute the crc32 of the kernel and padding between kernel and rootfs) */
243 kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen);
244 /* Compute the crc32 of the flashImageStart to rootLength.
245 * The broadcom firmware assumes the rootfs starts the image,
246 * therefore uses the rootfs start to determine where to flash
247 * the image. Since we have the kernel first we have to give
248 * it the kernel address, but the crc uses the length
249 * associated with this address, which is added to the kernel
250 * length to determine the length of image to flash and thus
251 * needs to be rootfs + deadcode
252 */
253 rootfscrc = compute_crc32(rootfscrc, binfile, kerneloff - fwaddr, rootfslen + sizeof(deadcode));
254 }
255
256 /* Close the files */
257 fclose(kernelfile);
258 fclose(rootfsfile);
259
260 if ( tagid && (strcmp(tagid, "bccfe") == 0)) {
261 /* Build the tag */
262 strncpy(tag.bccfe.tagVersion, ver, TAGVER_LEN);
263 strncpy(tag.bccfe.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bccfe.sig_1) - 1);
264 strncpy(tag.bccfe.sig_2, magic2, sizeof(tag.bccfe.sig_2) - 1);
265 strcpy(tag.bccfe.chipid, chipid);
266 strcpy(tag.bccfe.boardid, boardid);
267 strcpy(tag.bccfe.big_endian, "1");
268 sprintf(tag.bccfe.totalLength, "%lu", imagelen);
269
270 /* We don't include CFE */
271 strcpy(tag.bccfe.cfeAddress, "0");
272 strcpy(tag.bccfe.cfeLength, "0");
273
274 if (kernelfile) {
275 sprintf(tag.bccfe.kernelAddress, "%lu", kerneloff);
276 sprintf(tag.bccfe.kernelLength, "%lu", kernellen + rootfsoffpadlen);
277 }
278
279 if (rootfsfile) {
280 sprintf(tag.bccfe.rootAddress, "%lu", rootfsoff);
281 sprintf(tag.bccfe.rootLength, "%lu", rootfslen);
282 }
283
284 strncpy(tag.bccfe.tagId, "bccfe", TAGID_LEN);
285
286 int2tag(tag.bccfe.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bccfe.tagId[0]), TAGID_LEN));
287 int2tag(tag.bccfe.imageCRC, imagecrc);
288 int2tag(tag.bccfe.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
289 } else if ( tagid && (strcmp(tagid, "bc300") == 0)) {
290 /* Build the tag */
291 strncpy(tag.bc300.tagVersion, ver, TAGVER_LEN);
292 strncpy(tag.bc300.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc300.sig_1) - 1);
293 strncpy(tag.bc300.sig_2, magic2, sizeof(tag.bc300.sig_2) - 1);
294 strcpy(tag.bc300.chipid, chipid);
295 strcpy(tag.bc300.boardid, boardid);
296 strcpy(tag.bc300.big_endian, "1");
297 sprintf(tag.bc300.totalLength, "%lu", imagelen);
298
299 /* We don't include CFE */
300 strcpy(tag.bc300.cfeAddress, "0");
301 strcpy(tag.bc300.cfeLength, "0");
302
303 if (kernelfile) {
304 sprintf(tag.bc300.kernelAddress, "%lu", kerneloff);
305 sprintf(tag.bc300.kernelLength, "%lu", kernellen + rootfsoffpadlen);
306 }
307
308 if (rootfsfile) {
309 sprintf(tag.bc300.flashImageStart, "%lu", kerneloff);
310 sprintf(tag.bc300.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
311 sprintf(tag.bc300.rootAddress, "%lu", rootfsoff);
312 sprintf(tag.bc300.rootLength, "%lu", rootfslen);
313 }
314
315 strncpy(tag.bc300.tagId, "bc300", TAGID_LEN);
316
317 int2tag(tag.bc300.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc300.tagId[0]), TAGID_LEN));
318 int2tag(tag.bc300.imageCRC, imagecrc);
319 int2tag(tag.bc300.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
320 } else if ( tagid && (strcmp(tagid, "ag306") == 0)) {
321 /* Build the tag */
322 strncpy(tag.ag306.tagVersion, ver, TAGVER_LEN);
323 strncpy(tag.ag306.sig_1, IMAGETAG_MAGIC1, sizeof(tag.ag306.sig_1) - 1);
324 strncpy(tag.ag306.sig_2, magic2, sizeof(tag.ag306.sig_2) - 1);
325 strcpy(tag.ag306.chipid, chipid);
326 strcpy(tag.ag306.boardid, boardid);
327 strcpy(tag.ag306.big_endian, "1");
328 sprintf(tag.ag306.totalLength, "%lu", imagelen);
329
330 /* We don't include CFE */
331 strcpy(tag.ag306.cfeAddress, "0");
332 strcpy(tag.ag306.cfeLength, "0");
333
334 if (kernelfile) {
335 sprintf(tag.ag306.kernelAddress, "%lu", kerneloff);
336 sprintf(tag.ag306.kernelLength, "%lu", kernellen + rootfsoffpadlen);
337 }
338
339 if (rootfsfile) {
340 sprintf(tag.ag306.flashImageStart, "%lu", kerneloff);
341 sprintf(tag.ag306.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
342 sprintf(tag.ag306.rootAddress, "%lu", rootfsoff);
343 sprintf(tag.ag306.rootLength, "%lu", rootfslen);
344 }
345
346 strncpy(tag.ag306.tagId, "ag306", TAGID_LEN);
347
348 int2tag(tag.ag306.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.ag306.tagId[0]), TAGID_LEN));
349 int2tag(tag.ag306.kernelCRC, kernelcrc);
350 int2tag(tag.ag306.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
351 } else if ( tagid && (strcmp(tagid, "bc221") == 0)) {
352 /* Build the tag */
353 strncpy(tag.bc221.tagVersion, ver, TAGVER_LEN);
354 strncpy(tag.bc221.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc221.sig_1) - 1);
355 strncpy(tag.bc221.sig_2, magic2, sizeof(tag.bc221.sig_2) - 1);
356 strcpy(tag.bc221.chipid, chipid);
357 strcpy(tag.bc221.boardid, boardid);
358 strcpy(tag.bc221.big_endian, "1");
359 sprintf(tag.bc221.totalLength, "%lu", imagelen);
360
361 /* We don't include CFE */
362 strcpy(tag.bc221.cfeAddress, "0");
363 strcpy(tag.bc221.cfeLength, "0");
364
365 if (kernelfile) {
366 sprintf(tag.bc221.kernelAddress, "%lu", kerneloff);
367 sprintf(tag.bc221.kernelLength, "%lu", kernellen + rootfsoffpadlen);
368 }
369
370 if (rootfsfile) {
371 sprintf(tag.bc221.flashImageStart, "%lu", kerneloff);
372 sprintf(tag.bc221.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
373 sprintf(tag.bc221.rootAddress, "%lu", rootfsoff);
374 sprintf(tag.bc221.rootLength, "%lu", rootfslen);
375 }
376
377 strncpy(tag.bc221.tagId, "bc221", TAGID_LEN);
378 if (layoutver) {
379 strncpy(tag.bc221.flashLayoutVer, layoutver, TAGLAYOUT_LEN);
380 }
381
382 int2tag(tag.bc221.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc221.tagId[0]), TAGID_LEN));
383 int2tag(tag.bc221.imageCRC, imagecrc);
384 int2tag(tag.bc221.fskernelCRC, kernelfscrc);
385 int2tag(tag.bc221.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
386 } else if ( tagid && (strcmp(tagid, "bc310") == 0)) {
387 /* Build the tag */
388 strncpy(tag.bc310.tagVersion, ver, TAGVER_LEN);
389 strncpy(tag.bc310.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc310.sig_1) - 1);
390 strncpy(tag.bc310.sig_2, magic2, sizeof(tag.bc310.sig_2) - 1);
391 strcpy(tag.bc310.chipid, chipid);
392 strcpy(tag.bc310.boardid, boardid);
393 strcpy(tag.bc310.big_endian, "1");
394 sprintf(tag.bc310.totalLength, "%lu", imagelen);
395
396 /* We don't include CFE */
397 strcpy(tag.bc310.cfeAddress, "0");
398 strcpy(tag.bc310.cfeLength, "0");
399
400 if (kernelfile) {
401 sprintf(tag.bc310.kernelAddress, "%lu", kerneloff);
402 sprintf(tag.bc310.kernelLength, "%lu", kernellen + rootfsoffpadlen);
403 }
404
405 if (rootfsfile) {
406 sprintf(tag.bc310.flashImageStart, "%lu", kerneloff);
407 sprintf(tag.bc310.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
408 sprintf(tag.bc310.rootAddress, "%lu", rootfsoff);
409 sprintf(tag.bc310.rootLength, "%lu", rootfslen);
410 }
411
412 strncpy(tag.bc310.tagId, "bc310", TAGID_LEN);
413 if (information) {
414 strncpy(tag.bc310.information1, information, TAGINFO_LEN);
415 }
416
417 int2tag(tag.bc310.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc310.tagId[0]), TAGID_LEN));
418 int2tag(tag.bc310.imageCRC, imagecrc);
419 int2tag(tag.bc310.kernelCRC, kernelcrc);
420 int2tag(tag.bc310.rootfsCRC, rootfscrc);
421 int2tag(tag.bc310.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
422 }
423
424 fseek(binfile, 0L, SEEK_SET);
425 fwrite(&tag, sizeof(uint8_t), sizeof(tag), binfile);
426
427 fclose(binfile);
428
429 return 0;
430 }
431
432 int main(int argc, char **argv)
433 {
434 int c, i;
435 char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *tagid, *information, *layoutver;
436 uint32_t flashstart, fwoffset, loadaddr, entry;
437 uint32_t fwaddr, flash_bs;
438 int tagidfound = 0;
439
440 kernel = rootfs = bin = boardid = chipid = magic2 = ver = tagid = information = layoutver = NULL;
441 entry = 0;
442
443 flashstart = DEFAULT_FLASH_START;
444 fwoffset = DEFAULT_FW_OFFSET;
445 loadaddr = IMAGETAG_DEFAULT_LOADADDR;
446 flash_bs = DEFAULT_FLASH_BS;
447
448 printf("Broadcom image tagger - v0.2.0\n");
449 printf("Copyright (C) 2008 Axel Gembe\n");
450 printf("Copyright (C) 2009 Daniel Dickinson\n");
451
452 while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:t:d:y:")) != -1) {
453 switch (c) {
454 case 'i':
455 kernel = optarg;
456 break;
457 case 'f':
458 rootfs = optarg;
459 break;
460 case 'o':
461 bin = optarg;
462 break;
463 case 'b':
464 boardid = optarg;
465 break;
466 case 'c':
467 chipid = optarg;
468 break;
469 case 's':
470 flashstart = strtoul(optarg, NULL, 16);
471 break;
472 case 'n':
473 fwoffset = strtoul(optarg, NULL, 16);
474 break;
475 case 'v':
476 ver = optarg;
477 break;
478 case 'm':
479 magic2 = optarg;
480 break;
481 case 'k':
482 flash_bs = strtoul(optarg, NULL, 16);
483 break;
484 case 'l':
485 loadaddr = strtoul(optarg, NULL, 16);
486 break;
487 case 'e':
488 entry = strtoul(optarg, NULL, 16);
489 break;
490 case 't':
491 tagid = optarg;
492 break;
493 case 'd':
494 information = optarg;
495 break;
496 case 'y':
497 layoutver = optarg;
498 break;
499 case 'h':
500 default:
501 fprintf(stderr, "Usage: imagetag <parameters>\n\n");
502 fprintf(stderr, " -i <kernel> - The LZMA compressed kernel file to include in the image\n");
503 fprintf(stderr, " -f <rootfs> - The RootFS file to include in the image\n");
504 fprintf(stderr, " -o <bin> - The output file\n");
505 fprintf(stderr, " -b <boardid> - The board id to set in the image (i.e. \"96345GW2\")\n");
506 fprintf(stderr, " -c <chipid> - The chip id to set in the image (i.e. \"6345\")\n");
507 fprintf(stderr, " -s <flashstart> - Flash start address (i.e. \"0xBFC00000\"\n");
508 fprintf(stderr, " -n <fwoffset> - \n");
509 fprintf(stderr, " -v <version> - \n");
510 fprintf(stderr, " -m <magic2> - \n");
511 fprintf(stderr, " -k <flash_bs> - flash erase block size\n");
512 fprintf(stderr, " -l <loadaddr> - Address where the kernel expects to be loaded (defaults to 0x80010000)\n");
513 fprintf(stderr, " -e <entry> - Address where the kernel entry point will end up\n");
514 fprintf(stderr, " -t <tagid> - type if imagetag to create, use 'list' to see available choices");
515 fprintf(stderr, " -d <information> - vendor specific information, for those that need it");
516 fprintf(stderr, " -y <layoutver> - Flash Layout Version (2.2x code versions need this)");
517 fprintf(stderr, " -h - Displays this text\n\n");
518 return 1;
519 }
520 }
521
522 if (!boardid || !chipid) {
523 fprintf(stderr, "You need to specify the board (-b) and chip id (-c)!\n");
524 return 1;
525 }
526
527 if (entry == 0) {
528 fprintf(stderr, "You need to specify the kernel entry (-e)\n");
529 return 1;
530 }
531
532 tagidfound = 0;
533 if (!tagid) {
534 fprintf(stderr, "You must specify a tagid (-t)\n");
535 } else {
536 if (strncmp(tagid, "list", 4) == 0) {
537 fprintf(stderr, "\n----------------------------------------\n");
538 fprintf(stderr, "\tAvailable tagId:");
539 fprintf(stderr, "\n\n");
540 for (i = 0; i < NUM_TAGID; i++) {
541 fprintf(stderr, "\t%s\t%s", tagidtab[i].tagid, tagidtab[i].tagiddesc);
542 }
543 fprintf(stderr, "\n----------------------------------------\n");
544 return 0;
545 }
546 }
547
548 if (tagid) {
549 for(i = 0; i < NUM_TAGID; i++) {
550 if (strncmp(tagid, tagidtab[i].tagid, TAGID_LEN) == 0) {
551 tagidfound = 1;
552 break;
553 }
554 }
555 if (!tagidfound) {
556 if (tagid) {
557 fprintf(stderr, "The tagid you selected '%s' does't exist.\n", tagid);
558 }
559 fprintf(stderr, "Use -t list to see the list of available ids");
560 return 1;
561 }
562 }
563
564 /* Fallback to defaults */
565
566 fwaddr = flashstart + fwoffset;
567
568 if (!magic2) {
569 magic2 = malloc(sizeof(char) * 14);
570 if (!magic2) {
571 perror("malloc");
572 return 1;
573 }
574 strcpy(magic2, IMAGETAG_MAGIC2);
575 }
576
577 if (!ver) {
578 ver = malloc(sizeof(char) * 4);
579 if (!ver) {
580 perror("malloc");
581 return 1;
582 }
583 strcpy(ver, IMAGETAG_VER);
584 }
585
586
587 return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, tagid, information, layoutver);
588 }
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