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| author | Richard Purdie <rpurdie@linux.intel.com> | 2010-09-01 19:09:11 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-09-01 19:09:57 +0100 |
| commit | d62ee7eaf2ba025c3f64b2d4e10dc7cec4637612 (patch) | |
| tree | f36fe3008f36ff75cbdd31b630f8f13f1f205ebb /meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch | |
| parent | caab7fc509bf27706ff3248689f6afd04225cfda (diff) | |
| download | poky-d62ee7eaf2ba025c3f64b2d4e10dc7cec4637612.tar.gz | |
packages: Separate out most of the remaining packages into recipes
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch')
| -rw-r--r-- | meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch b/meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch new file mode 100644 index 0000000000..521f1ba9a0 --- /dev/null +++ b/meta/recipes-devtools/yaffs2/files/mkyaffs2image.patch | |||
| @@ -0,0 +1,345 @@ | |||
| 1 | * | ||
| 2 | * mkyaffs2image hacks by NCB | ||
| 3 | * | ||
| 4 | * Changes by Sergey Kubushin flagged KSI | ||
| 5 | * | ||
| 6 | */ | ||
| 7 | |||
| 8 | /* KSI: | ||
| 9 | * All this nightmare should be rewritten from ground up. Why save return | ||
| 10 | * values if nobody checks them? The read/write function returns only one | ||
| 11 | * error, -1. Positive return value does NOT mean read/write operation has | ||
| 12 | * been completed successfully. If somebody opens files, he MUST close them | ||
| 13 | * when they are not longer needed. Only those brave enough can write 64 | ||
| 14 | * bytes from a yaffs_PackedTags2 structure. The list is too long, there is | ||
| 15 | * enough bugs here to write a couple of thick books on how NOT to write | ||
| 16 | * programs... | ||
| 17 | * | ||
| 18 | * And BTW, what was one supposed to do with that file that this horror | ||
| 19 | * occasionally managed to generate? | ||
| 20 | */ | ||
| 21 | diff -urN yaffs2.orig/utils/mkyaffs2image.c yaffs2/utils/mkyaffs2image.c | ||
| 22 | --- yaffs2.orig/utils/mkyaffs2image.c 2005-12-12 16:34:58.000000000 -0800 | ||
| 23 | +++ yaffs2/utils/mkyaffs2image.c 2006-02-10 16:56:13.000000000 -0800 | ||
| 24 | @@ -31,10 +47,10 @@ | ||
| 25 | #include <dirent.h> | ||
| 26 | #include <string.h> | ||
| 27 | #include <unistd.h> | ||
| 28 | +#include <mtd/mtd-user.h> | ||
| 29 | #include "yaffs_ecc.h" | ||
| 30 | #include "yaffs_guts.h" | ||
| 31 | |||
| 32 | -#include "yaffs_tagsvalidity.h" | ||
| 33 | #include "yaffs_packedtags2.h" | ||
| 34 | |||
| 35 | unsigned yaffs_traceMask=0; | ||
| 36 | @@ -43,9 +59,45 @@ | ||
| 37 | |||
| 38 | #define chunkSize 2048 | ||
| 39 | #define spareSize 64 | ||
| 40 | +#define PT2_BYTES 25 | ||
| 41 | |||
| 42 | const char * mkyaffsimage_c_version = "$Id: mkyaffs2image.c,v 1.4 2007-02-14 01:09:06 wookey Exp $"; | ||
| 43 | |||
| 44 | +static int layout_no; | ||
| 45 | + | ||
| 46 | +static struct nand_oobinfo oob_layout[] = { | ||
| 47 | + /* KSI: | ||
| 48 | + * Dummy "raw" layout - no ECC, all the bytes are free. Does NOT | ||
| 49 | + * really work, only used for compatibility with CVS YAFFS2 that | ||
| 50 | + * never ever worked with any stock MTD. | ||
| 51 | + */ | ||
| 52 | + { | ||
| 53 | + .useecc = MTD_NANDECC_AUTOPLACE, | ||
| 54 | + .eccbytes = 0, | ||
| 55 | + .eccpos = {}, | ||
| 56 | + .oobfree = { {0, 64} } | ||
| 57 | + }, | ||
| 58 | + /* KSI: | ||
| 59 | + * Regular MTD AUTOPLACED ECC for large page NAND devices, the | ||
| 60 | + * only one existing in stock MTD so far. It corresponds to layout# 1 | ||
| 61 | + * in command line arguments. Any other layouts could be added to | ||
| 62 | + * the list when they made their way in kernel's MTD. The structure | ||
| 63 | + * is simply copied from kernel's drivers/mtd/nand/nand_base.c as-is. | ||
| 64 | + */ | ||
| 65 | + { | ||
| 66 | + .useecc = MTD_NANDECC_AUTOPLACE, | ||
| 67 | + .eccbytes = 24, | ||
| 68 | + .eccpos = { | ||
| 69 | + 40, 41, 42, 43, 44, 45, 46, 47, | ||
| 70 | + 48, 49, 50, 51, 52, 53, 54, 55, | ||
| 71 | + 56, 57, 58, 59, 60, 61, 62, 63}, | ||
| 72 | + .oobfree = { {2, 38} } | ||
| 73 | + }, | ||
| 74 | + /* End-of-list marker */ | ||
| 75 | + { | ||
| 76 | + .useecc = -1, | ||
| 77 | + } | ||
| 78 | +}; | ||
| 79 | |||
| 80 | typedef struct | ||
| 81 | { | ||
| 82 | @@ -59,7 +111,7 @@ | ||
| 83 | static int n_obj = 0; | ||
| 84 | static int obj_id = YAFFS_NOBJECT_BUCKETS + 1; | ||
| 85 | |||
| 86 | -static int nObjects, nDirectories, nPages; | ||
| 87 | +static int nObjects = 0, nDirectories = 0, nPages = 0; | ||
| 88 | |||
| 89 | static int outFile; | ||
| 90 | |||
| 91 | @@ -123,6 +175,11 @@ | ||
| 92 | return -1; | ||
| 93 | } | ||
| 94 | |||
| 95 | +/* KSI: | ||
| 96 | + * No big endian for now. This is left for a later time. The existing code | ||
| 97 | + * is FUBAR. | ||
| 98 | + */ | ||
| 99 | +#if 0 | ||
| 100 | /* This little function converts a little endian tag to a big endian tag. | ||
| 101 | * NOTE: The tag is not usable after this other than calculating the CRC | ||
| 102 | * with. | ||
| 103 | @@ -155,11 +212,56 @@ | ||
| 104 | tags->asBytes[7] = temp.asBytes[7]; | ||
| 105 | #endif | ||
| 106 | } | ||
| 107 | +#endif | ||
| 108 | + | ||
| 109 | +void nandmtd2_pt2buf(unsigned char *buf, yaffs_PackedTags2 *pt) | ||
| 110 | +{ | ||
| 111 | + int i, j = 0, k, n; | ||
| 112 | + unsigned char pt2_byte_buf[PT2_BYTES]; | ||
| 113 | + | ||
| 114 | + *((unsigned int *) &pt2_byte_buf[0]) = pt->t.sequenceNumber; | ||
| 115 | + *((unsigned int *) &pt2_byte_buf[4]) = pt->t.objectId; | ||
| 116 | + *((unsigned int *) &pt2_byte_buf[8]) = pt->t.chunkId; | ||
| 117 | + *((unsigned int *) &pt2_byte_buf[12]) = pt->t.byteCount; | ||
| 118 | + pt2_byte_buf[16] = pt->ecc.colParity; | ||
| 119 | + pt2_byte_buf[17] = pt->ecc.lineParity & 0xff; | ||
| 120 | + pt2_byte_buf[18] = (pt->ecc.lineParity >> 8) & 0xff; | ||
| 121 | + pt2_byte_buf[19] = (pt->ecc.lineParity >> 16) & 0xff; | ||
| 122 | + pt2_byte_buf[20] = (pt->ecc.lineParity >> 24) & 0xff; | ||
| 123 | + pt2_byte_buf[21] = pt->ecc.lineParityPrime & 0xff; | ||
| 124 | + pt2_byte_buf[22] = (pt->ecc.lineParityPrime >> 8) & 0xff; | ||
| 125 | + pt2_byte_buf[23] = (pt->ecc.lineParityPrime >> 16) & 0xff; | ||
| 126 | + pt2_byte_buf[24] = (pt->ecc.lineParityPrime >> 24) & 0xff; | ||
| 127 | + | ||
| 128 | + k = oob_layout[layout_no].oobfree[j][0]; | ||
| 129 | + n = oob_layout[layout_no].oobfree[j][1]; | ||
| 130 | + | ||
| 131 | + if (n == 0) { | ||
| 132 | + fprintf(stderr, "No OOB space for tags"); | ||
| 133 | + exit(-1); | ||
| 134 | + } | ||
| 135 | + | ||
| 136 | + for (i = 0; i < PT2_BYTES; i++) { | ||
| 137 | + if (n == 0) { | ||
| 138 | + j++; | ||
| 139 | + k = oob_layout[layout_no].oobfree[j][0]; | ||
| 140 | + n = oob_layout[layout_no].oobfree[j][1]; | ||
| 141 | + if (n == 0) { | ||
| 142 | + fprintf(stderr, "No OOB space for tags"); | ||
| 143 | + exit(-1); | ||
| 144 | + } | ||
| 145 | + } | ||
| 146 | + buf[k++] = pt2_byte_buf[i]; | ||
| 147 | + n--; | ||
| 148 | + } | ||
| 149 | +} | ||
| 150 | |||
| 151 | static int write_chunk(__u8 *data, __u32 objId, __u32 chunkId, __u32 nBytes) | ||
| 152 | { | ||
| 153 | yaffs_ExtendedTags t; | ||
| 154 | yaffs_PackedTags2 pt; | ||
| 155 | + unsigned char spare_buf[spareSize]; | ||
| 156 | + | ||
| 157 | |||
| 158 | error = write(outFile,data,chunkSize); | ||
| 159 | if(error < 0) return error; | ||
| 160 | @@ -177,18 +279,27 @@ | ||
| 161 | // added NCB **CHECK** | ||
| 162 | t.chunkUsed = 1; | ||
| 163 | |||
| 164 | +/* KSI: Broken anyway -- e.g. &t is pointer to a wrong type... */ | ||
| 165 | +#if 0 | ||
| 166 | if (convert_endian) | ||
| 167 | { | ||
| 168 | little_to_big_endian(&t); | ||
| 169 | } | ||
| 170 | +#endif | ||
| 171 | |||
| 172 | nPages++; | ||
| 173 | |||
| 174 | yaffs_PackTags2(&pt,&t); | ||
| 175 | - | ||
| 176 | -// return write(outFile,&pt,sizeof(yaffs_PackedTags2)); | ||
| 177 | - return write(outFile,&pt,spareSize); | ||
| 178 | - | ||
| 179 | + | ||
| 180 | + memset(spare_buf, 0xff, sizeof(spare_buf)); | ||
| 181 | + | ||
| 182 | + if (layout_no == 0) { | ||
| 183 | + memcpy(spare_buf, &pt, sizeof(yaffs_PackedTags2)); | ||
| 184 | + } else { | ||
| 185 | + nandmtd2_pt2buf(spare_buf, &pt); | ||
| 186 | + } | ||
| 187 | + | ||
| 188 | + return write(outFile,spare_buf,spareSize); | ||
| 189 | } | ||
| 190 | |||
| 191 | #define SWAP32(x) ((((x) & 0x000000FF) << 24) | \ | ||
| 192 | @@ -199,6 +310,8 @@ | ||
| 193 | #define SWAP16(x) ((((x) & 0x00FF) << 8) | \ | ||
| 194 | (((x) & 0xFF00) >> 8)) | ||
| 195 | |||
| 196 | +/* KSI: Removed for now. TBD later when the proper util (from scratch) is written */ | ||
| 197 | +#if 0 | ||
| 198 | // This one is easier, since the types are more standard. No funky shifts here. | ||
| 199 | static void object_header_little_to_big_endian(yaffs_ObjectHeader* oh) | ||
| 200 | { | ||
| 201 | @@ -256,6 +369,7 @@ | ||
| 202 | oh->roomToGrow[11] = SWAP32(oh->roomToGrow[11]); | ||
| 203 | #endif | ||
| 204 | } | ||
| 205 | +#endif | ||
| 206 | |||
| 207 | static int write_object_header(int objId, yaffs_ObjectType t, struct stat *s, int parent, const char *name, int equivalentObj, const char * alias) | ||
| 208 | { | ||
| 209 | @@ -300,10 +414,13 @@ | ||
| 210 | strncpy(oh->alias,alias,YAFFS_MAX_ALIAS_LENGTH); | ||
| 211 | } | ||
| 212 | |||
| 213 | +/* KSI: FUBAR. Left for a leter time. */ | ||
| 214 | +#if 0 | ||
| 215 | if (convert_endian) | ||
| 216 | { | ||
| 217 | object_header_little_to_big_endian(oh); | ||
| 218 | } | ||
| 219 | +#endif | ||
| 220 | |||
| 221 | return write_chunk(bytes,objId,0,0xffff); | ||
| 222 | |||
| 223 | @@ -319,7 +436,7 @@ | ||
| 224 | nDirectories++; | ||
| 225 | |||
| 226 | dir = opendir(path); | ||
| 227 | - | ||
| 228 | + | ||
| 229 | if(dir) | ||
| 230 | { | ||
| 231 | while((entry = readdir(dir)) != NULL) | ||
| 232 | @@ -403,12 +520,12 @@ | ||
| 233 | error = nBytes; | ||
| 234 | |||
| 235 | printf("%d data chunks written\n",chunk); | ||
| 236 | + close(h); | ||
| 237 | } | ||
| 238 | else | ||
| 239 | { | ||
| 240 | perror("Error opening file"); | ||
| 241 | } | ||
| 242 | - close(h); | ||
| 243 | |||
| 244 | } | ||
| 245 | |||
| 246 | @@ -448,58 +565,82 @@ | ||
| 247 | } | ||
| 248 | } | ||
| 249 | } | ||
| 250 | + /* KSI: | ||
| 251 | + * Who is supposed to close those open directories in this | ||
| 252 | + * recursive function, lord Byron? Stock "ulimit -n" is 1024 | ||
| 253 | + * and e.g. stock Fedora /etc directory has more that 1024 | ||
| 254 | + * directories... | ||
| 255 | + */ | ||
| 256 | + closedir(dir); | ||
| 257 | } | ||
| 258 | |||
| 259 | return 0; | ||
| 260 | |||
| 261 | } | ||
| 262 | |||
| 263 | +void usage(void) | ||
| 264 | +{ | ||
| 265 | + printf("usage: mkyaffs2image layout# dir image_file [convert]\n"); | ||
| 266 | + printf(" layout# NAND OOB layout # (0 - raw, 1 - nand_oob_64)\n"); | ||
| 267 | + printf(" dir the directory tree to be converted\n"); | ||
| 268 | + printf(" image_file the output file to hold the image\n"); | ||
| 269 | + printf(" 'convert' make a big-endian img on a little-endian machine. BROKEN !\n"); | ||
| 270 | + exit(1); | ||
| 271 | +} | ||
| 272 | |||
| 273 | int main(int argc, char *argv[]) | ||
| 274 | { | ||
| 275 | struct stat stats; | ||
| 276 | + int i; | ||
| 277 | |||
| 278 | printf("mkyaffs2image: image building tool for YAFFS2 built "__DATE__"\n"); | ||
| 279 | |||
| 280 | - if(argc < 3) | ||
| 281 | + if ((argc < 4) || (sscanf(argv[1], "%u", &layout_no) != 1)) | ||
| 282 | { | ||
| 283 | - printf("usage: mkyaffs2image dir image_file [convert]\n"); | ||
| 284 | - printf(" dir the directory tree to be converted\n"); | ||
| 285 | - printf(" image_file the output file to hold the image\n"); | ||
| 286 | - printf(" 'convert' produce a big-endian image from a little-endian machine\n"); | ||
| 287 | - exit(1); | ||
| 288 | + usage(); | ||
| 289 | } | ||
| 290 | |||
| 291 | - if ((argc == 4) && (!strncmp(argv[3], "convert", strlen("convert")))) | ||
| 292 | - { | ||
| 293 | - convert_endian = 1; | ||
| 294 | - } | ||
| 295 | + i = 0; | ||
| 296 | + | ||
| 297 | + while (oob_layout[i].useecc != -1) | ||
| 298 | + i++; | ||
| 299 | + | ||
| 300 | + if (layout_no >= i) | ||
| 301 | + usage(); | ||
| 302 | + | ||
| 303 | + if ((argc == 5) && (!strncmp(argv[4], "convert", strlen("convert")))) | ||
| 304 | + { | ||
| 305 | + /* KSI: Broken as of now. TBD. Fail. */ | ||
| 306 | + usage(); | ||
| 307 | + convert_endian = 1; | ||
| 308 | + } | ||
| 309 | |||
| 310 | - if(stat(argv[1],&stats) < 0) | ||
| 311 | + if(stat(argv[2],&stats) < 0) | ||
| 312 | { | ||
| 313 | - printf("Could not stat %s\n",argv[1]); | ||
| 314 | + printf("Could not stat %s\n",argv[2]); | ||
| 315 | exit(1); | ||
| 316 | } | ||
| 317 | |||
| 318 | if(!S_ISDIR(stats.st_mode)) | ||
| 319 | { | ||
| 320 | - printf(" %s is not a directory\n",argv[1]); | ||
| 321 | + printf(" %s is not a directory\n",argv[2]); | ||
| 322 | exit(1); | ||
| 323 | } | ||
| 324 | |||
| 325 | - outFile = open(argv[2],O_CREAT | O_TRUNC | O_WRONLY, S_IREAD | S_IWRITE); | ||
| 326 | + outFile = open(argv[3],O_CREAT | O_TRUNC | O_WRONLY, S_IREAD | S_IWRITE); | ||
| 327 | |||
| 328 | |||
| 329 | if(outFile < 0) | ||
| 330 | { | ||
| 331 | - printf("Could not open output file %s\n",argv[2]); | ||
| 332 | + printf("Could not open output file %s\n",argv[3]); | ||
| 333 | exit(1); | ||
| 334 | } | ||
| 335 | |||
| 336 | - printf("Processing directory %s into image file %s\n",argv[1],argv[2]); | ||
| 337 | + printf("Processing directory %s into image file %s\n",argv[2],argv[3]); | ||
| 338 | error = write_object_header(1, YAFFS_OBJECT_TYPE_DIRECTORY, &stats, 1,"", -1, NULL); | ||
| 339 | + | ||
| 340 | if(error) | ||
| 341 | - error = process_directory(YAFFS_OBJECTID_ROOT,argv[1]); | ||
| 342 | + error = process_directory(YAFFS_OBJECTID_ROOT,argv[2]); | ||
| 343 | |||
| 344 | close(outFile); | ||
| 345 | |||
