summaryrefslogtreecommitdiffstats
path: root/meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch
diff options
context:
space:
mode:
Diffstat (limited to 'meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch')
-rw-r--r--meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch634
1 files changed, 634 insertions, 0 deletions
diff --git a/meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch b/meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch
new file mode 100644
index 0000000000..8f753b052c
--- /dev/null
+++ b/meta/recipes-devtools/dosfstools/dosfstools/mkdosfs-dir.patch
@@ -0,0 +1,634 @@
1diff -urN dosfstools-2.10.orig/mkdosfs/mkdosfs.c dosfstools-2.10/mkdosfs/mkdosfs.c
2--- dosfstools-2.10.orig/mkdosfs/mkdosfs.c 2004-08-02 20:48:45.000000000 -0700
3+++ dosfstools-2.10/mkdosfs/mkdosfs.c 2004-08-02 20:49:44.296953792 -0700
4@@ -18,6 +18,10 @@
5 as a rule), and not the block. For example the boot block does not
6 occupy a full cluster.
7
8+ June 2004 - Jordan Crouse (info.linux@amd.com)
9+ Added -d <directory> support to populate the image
10+ Copyright (C) 2004, Advanced Micro Devices, All Rights Reserved
11+
12 Fixes/additions May 1998 by Roman Hodek
13 <Roman.Hodek@informatik.uni-erlangen.de>:
14 - Atari format support
15@@ -71,6 +75,8 @@
16 #include <unistd.h>
17 #include <time.h>
18 #include <errno.h>
19+#include <libgen.h>
20+#include <dirent.h>
21
22 #if __BYTE_ORDER == __BIG_ENDIAN
23
24@@ -124,6 +130,8 @@
25 }
26 #endif
27
28+#define ROUND_UP(value, divisor) (value + (divisor - (value % divisor))) / divisor
29+
30 /* Constant definitions */
31
32 #define TRUE 1 /* Boolean constants */
33@@ -163,7 +171,6 @@
34 #define ATTR_VOLUME 8 /* volume label */
35 #define ATTR_DIR 16 /* directory */
36 #define ATTR_ARCH 32 /* archived */
37-
38 #define ATTR_NONE 0 /* no attribute bits */
39 #define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN)
40 /* attribute bits that are copied "as is" */
41@@ -258,6 +265,19 @@
42 __u32 reserved2[4];
43 };
44
45+/* This stores up to 13 chars of the name */
46+
47+struct msdos_dir_slot {
48+ __u8 id; /* sequence number for slot */
49+ __u8 name0_4[10]; /* first 5 characters in name */
50+ __u8 attr; /* attribute byte */
51+ __u8 reserved; /* always 0 */
52+ __u8 alias_checksum; /* checksum for 8.3 alias */
53+ __u8 name5_10[12]; /* 6 more characters in name */
54+ __u16 start; /* starting cluster number, 0 in long slots */
55+ __u8 name11_12[4]; /* last 2 characters in name */
56+};
57+
58 struct msdos_dir_entry
59 {
60 char name[8], ext[3]; /* name and extension */
61@@ -306,6 +326,15 @@
62
63 #define MESSAGE_OFFSET 29 /* Offset of message in above code */
64
65+/* Special structure to keep track of directories as we add them for the -d option */
66+
67+struct dir_entry {
68+ int root; /* Specifies if this is the root dir or not */
69+ int count; /* Number of items in the table */
70+ int entries; /* Number of entries in the table */
71+ struct msdos_dir_entry *table; /* Pointer to the entry table */
72+};
73+
74 /* Global variables - the root of all evil :-) - see these and weep! */
75
76 static char *template_boot_code; /* Variable to store a full template boot sector in */
77@@ -339,6 +368,9 @@
78 static int size_root_dir; /* Size of the root directory in bytes */
79 static int sectors_per_cluster = 0; /* Number of sectors per disk cluster */
80 static int root_dir_entries = 0; /* Number of root directory entries */
81+static int root_dir_num_entries = 0;
82+static int last_cluster_written = 0;
83+
84 static char *blank_sector; /* Blank sector - all zeros */
85
86
87@@ -411,7 +443,6 @@
88 }
89 }
90
91-
92 /* Mark a specified sector as having a particular value in it's FAT entry */
93
94 static void
95@@ -1262,6 +1293,9 @@
96 die ("unable to allocate space for root directory in memory");
97 }
98
99+
100+ last_cluster_written = 2;
101+
102 memset(root_dir, 0, size_root_dir);
103 if ( memcmp(volume_name, " ", 11) )
104 {
105@@ -1310,11 +1344,11 @@
106 }
107
108 if (!(blank_sector = malloc( sector_size )))
109- die( "Out of memory" );
110+ die( "Out of memory" );
111+
112 memset(blank_sector, 0, sector_size);
113 }
114-
115-
116+
117 /* Write the new filesystem's data tables to wherever they're going to end up! */
118
119 #define error(str) \
120@@ -1336,7 +1370,7 @@
121 do { \
122 int __size = (size); \
123 if (write (dev, buf, __size) != __size) \
124- error ("failed whilst writing " errstr); \
125+ error ("failed whilst writing " errstr); \
126 } while(0)
127
128
129@@ -1407,6 +1441,452 @@
130 free (fat); /* Free up the fat table space reserved during setup_tables */
131 }
132
133+/* Add a file to the specified directory entry, and also write it into the image */
134+
135+static void copy_filename(char *filename, char *base, char *ext) {
136+
137+ char *ch = filename;
138+ int i, len;
139+
140+ memset(base, 0x20, 8);
141+ memset(ext, 0x20, 3);
142+
143+ for(len = 0 ; *ch && *ch != '.'; ch++) {
144+ base[len++] = toupper(*ch);
145+ if (len == 8) break;
146+ }
147+
148+ for ( ; *ch && *ch != '.'; ch++);
149+ if (*ch) ch++;
150+
151+ for(len = 0 ; *ch; ch++) {
152+ ext[len++] = toupper(*ch);
153+ if (len == 3) break;
154+ }
155+}
156+
157+/* Check for an .attrib.<filename> file, and read the attributes therein */
158+
159+/* We are going to be pretty pedantic about this. The file needs 3
160+ bytes at the beginning, the attributes are listed in this order:
161+
162+ (H)idden|(S)ystem|(A)rchived
163+
164+ A capital HSA means to enable it, anything else will disable it
165+ (I recommend a '-') The unix user attributes will still be used
166+ for write access.
167+
168+ For example, to enable system file access for ldlinux.sys, write
169+ the following to .attrib.ldlinux.sys: -S-
170+*/
171+
172+unsigned char check_attrib_file(char *dir, char *filename) {
173+
174+ char attrib[4] = { '-', '-', '-' };
175+ unsigned char *buffer = 0;
176+ int ret = ATTR_NONE;
177+ int fd = -1;
178+
179+ buffer = (char *) calloc(1, strlen(dir) + strlen(filename) + 10);
180+ if (!buffer) return ATTR_NONE;
181+
182+ sprintf(buffer, "%s/.attrib.%s", dir, filename);
183+
184+ if (access(buffer, R_OK))
185+ goto exit_attrib;
186+
187+ if ((fd = open(buffer, O_RDONLY, 0)) < 0)
188+ goto exit_attrib;
189+
190+ if (read(fd, attrib, 3) < 0)
191+ goto exit_attrib;
192+
193+ if (attrib[0] == 'H') ret |= ATTR_HIDDEN;
194+ if (attrib[1] == 'S') ret |= ATTR_SYS;
195+ if (attrib[2] == 'A') ret |= ATTR_ARCH;
196+
197+ printf("%s: Setting atrribute %x\n", filename, ret);
198+
199+ exit_attrib:
200+ if (fd >= 0) close(fd);
201+ if (buffer) free(buffer);
202+
203+ return ret;
204+}
205+
206+static void copy_name(char *buffer, int size, char **pointer) {
207+ int i;
208+
209+ for(i = 0; i < size; i += 2) {
210+ if (*pointer) {
211+ buffer[i] = **pointer;
212+ buffer[i + 1] = 0x00;
213+ *pointer = **pointer ? *pointer + 1 : 0;
214+ }
215+ else {
216+ buffer[i] = 0xFF;
217+ buffer[i + 1] = 0xFF;
218+ }
219+ }
220+}
221+
222+static int add_file(char *filename, struct dir_entry *dir, unsigned char attr)
223+{
224+ struct stat stat;
225+ struct msdos_dir_entry *entry;
226+ int infile = 0;
227+ int sectors, clusters;
228+ struct tm *ctime;
229+ int c, s;
230+ int ptr;
231+ char *buffer, *base;
232+ int start;
233+ int usedsec, totalsec;
234+
235+ char name83[8], ext83[3];
236+
237+ struct msdos_dir_slot *slot;
238+ int i;
239+ char *p;
240+
241+ /* The root directory is static, everything else grows as needed */
242+
243+ if (dir->root) {
244+ if (dir->count == dir->entries) {
245+ printf("Error - too many directory entries\n");
246+ }
247+ }
248+ else {
249+ if (dir->count == dir->entries) {
250+ if (!dir->table)
251+ dir->table =
252+ (struct msdos_dir_entry *) malloc(sizeof(struct msdos_dir_entry));
253+ else {
254+ dir->table =
255+ (struct msdos_dir_entry *) realloc(dir->table, (dir->entries + 1) *
256+ sizeof(struct msdos_dir_entry));
257+
258+ memset(&dir->table[dir->entries], 0, sizeof(struct msdos_dir_entry));
259+ }
260+
261+ dir->entries++;
262+ }
263+ }
264+
265+ infile = open(filename, O_RDONLY, 0);
266+ if (!infile) return;
267+
268+ if (fstat(infile, &stat))
269+ goto exit_add;
270+
271+ if (S_ISCHR(stat.st_mode) ||S_ISBLK(stat.st_mode) ||
272+ S_ISFIFO(stat.st_mode) || S_ISLNK(stat.st_mode)) {
273+ printf("Error - cannot create a special file in a FATFS\n");
274+ goto exit_add;
275+ }
276+
277+ /* FIXME: This isn't very pretty */
278+
279+ usedsec = start_data_sector + (size_root_dir / sector_size) +
280+ (last_cluster_written * bs.cluster_size);
281+
282+ totalsec = blocks * BLOCK_SIZE / sector_size;
283+
284+ /* Figure out how many sectors / clustors the file requires */
285+
286+ sectors = ROUND_UP(stat.st_size, sector_size);
287+ clusters = ROUND_UP(sectors, (int) bs.cluster_size);
288+
289+ if (usedsec + sectors > totalsec) {
290+ printf("Error - %s is too big (%d vs %d)\n", filename, sectors, totalsec - usedsec);
291+ close(infile);
292+ return -1;
293+ }
294+
295+ printf("ADD %s\n", filename);
296+
297+ /* Grab the basename of the file */
298+ base = basename(filename);
299+
300+ /* Extract out the 8.3 name */
301+ copy_filename(base, name83, ext83);
302+
303+ /* Make an extended name slot */
304+
305+ slot = (struct msdos_dir_slot *) &dir->table[dir->count++];
306+ slot->id = 'A';
307+ slot->attr = 0x0F;
308+ slot->reserved = 0;
309+ slot->start = 0;
310+
311+ slot->alias_checksum = 0;
312+
313+ for(i = 0; i < 8; i++)
314+ slot->alias_checksum = (((slot->alias_checksum&1)<<7)|((slot->alias_checksum&0xfe)>>1)) + name83[i];
315+
316+ for(i = 0; i < 3; i++)
317+ slot->alias_checksum = (((slot->alias_checksum&1)<<7)|((slot->alias_checksum&0xfe)>>1)) + ext83[i];
318+
319+ p = base;
320+
321+ copy_name(slot->name0_4, 10, &p);
322+ copy_name(slot->name5_10, 12, &p);
323+ copy_name(slot->name11_12, 4, &p);
324+
325+
326+ /* Get the entry from the root filesytem */
327+ entry = &dir->table[dir->count++];
328+
329+ strncpy(entry->name, name83, 8);
330+ strncpy(entry->ext, ext83, 3);
331+
332+
333+ /* If the user has it read only, then add read only to the incoming
334+ attribute settings */
335+
336+ if (!(stat.st_mode & S_IWUSR)) attr |= ATTR_RO;
337+ entry->attr = attr;
338+
339+ /* Set the access time on the file */
340+ ctime = localtime(&create_time);
341+
342+ entry->time = CT_LE_W((unsigned short)((ctime->tm_sec >> 1) +
343+ (ctime->tm_min << 5) + (ctime->tm_hour << 11)));
344+
345+ entry->date = CT_LE_W((unsigned short)(ctime->tm_mday +
346+ ((ctime->tm_mon+1) << 5) +
347+ ((ctime->tm_year-80) << 9)));
348+
349+ entry->ctime_ms = 0;
350+ entry->ctime = entry->time;
351+ entry->cdate = entry->date;
352+ entry->adate = entry->date;
353+ entry->size = stat.st_size;
354+
355+ start = last_cluster_written;
356+
357+ entry->start = CT_LE_W(start); /* start sector */
358+ entry->starthi = CT_LE_W((start & 0xFFFF0000) >> 16); /* High start sector (for FAT32) */
359+
360+ /* We mark all of the clusters we use in the FAT */
361+
362+ for(c = 0; c < clusters; c++ ) {
363+ int free;
364+ int next = c == (clusters - 1) ? FAT_EOF : start + c + 1;
365+ mark_FAT_cluster(start + c, next);
366+ last_cluster_written++;
367+ }
368+
369+ /* This confused me too - cluster 2 starts after the
370+ root directory data - search me as to why */
371+
372+ ptr = (start_data_sector * sector_size) + size_root_dir;
373+ ptr += (start - 2) * bs.cluster_size * sector_size;
374+
375+ buffer = (char *) malloc(sector_size);
376+
377+ if (!buffer) {
378+ printf("Error - couldn't allocate memory\n");
379+ goto exit_add;
380+ }
381+
382+ /* Write the file into the file block */
383+
384+ seekto(ptr, "datafile");
385+
386+ while(1) {
387+ int size = read(infile, buffer, sector_size);
388+ if (size <= 0) break;
389+
390+ writebuf(buffer, size, "data");
391+ }
392+
393+ exit_add:
394+ if (infile) close(infile);
395+}
396+
397+/* Add a new directory to the specified directory entry, and in turn populate
398+ it with its own files */
399+
400+/* FIXME: This should check to make sure there is enough size to add itself */
401+
402+static void add_directory(char *filename, struct dir_entry *dir) {
403+
404+ struct dir_entry *newdir = 0;
405+ struct msdos_dir_entry *entry;
406+ struct tm *ctime;
407+ DIR *rddir = opendir(filename);
408+ struct dirent *dentry = 0;
409+ int remain;
410+ char *data;
411+
412+ /* If the directory doesn't exist */
413+ if (!rddir) return;
414+
415+ if (dir->root) {
416+ if (dir->count == dir->entries) {
417+ printf("Error - too many directory entries\n");
418+ goto exit_add_dir;
419+ }
420+ }
421+ else {
422+ if (dir->count == dir->entries) {
423+ if (!dir->table)
424+ dir->table = (struct msdos_dir_entry *) malloc(sizeof(struct msdos_dir_entry));
425+ else {
426+ dir->table = (struct msdos_dir_entry *) realloc(dir->table, (dir->entries + 1) *
427+ sizeof(struct msdos_dir_entry));
428+
429+ /* Zero it out to avoid issues */
430+ memset(&dir->table[dir->entries], 0, sizeof(struct msdos_dir_entry));
431+ }
432+ dir->entries++;
433+ }
434+ }
435+
436+ /* Now, create a new directory entry for the new directory */
437+ newdir = (struct dir_entry *) calloc(1, sizeof(struct dir_entry));
438+ if (!newdir) goto exit_add_dir;
439+
440+ entry = &dir->table[dir->count++];
441+
442+ strncpy(entry->name, basename(filename), sizeof(entry->name));
443+
444+ entry->attr = ATTR_DIR;
445+ ctime = localtime(&create_time);
446+
447+ entry->time = CT_LE_W((unsigned short)((ctime->tm_sec >> 1) +
448+ (ctime->tm_min << 5) + (ctime->tm_hour << 11)));
449+
450+ entry->date = CT_LE_W((unsigned short)(ctime->tm_mday +
451+ ((ctime->tm_mon+1) << 5) +
452+ ((ctime->tm_year-80) << 9)));
453+
454+ entry->ctime_ms = 0;
455+ entry->ctime = entry->time;
456+ entry->cdate = entry->date;
457+ entry->adate = entry->date;
458+
459+ /* Now, read the directory */
460+
461+ while((dentry = readdir(rddir))) {
462+ struct stat st;
463+ char *buffer;
464+
465+ if (!strcmp(dentry->d_name, ".") || !strcmp(dentry->d_name, ".."))
466+ continue;
467+
468+ /* DOS wouldn't like a typical unix . (dot) file, so we skip those too */
469+ if (dentry->d_name[0] == '.') continue;
470+
471+ buffer = malloc(strlen(filename) + strlen(dentry->d_name) + 3);
472+ if (!buffer) continue;
473+
474+ sprintf(buffer, "%s/%s", filename, dentry->d_name);
475+ if (!stat(buffer, &st)) {
476+ if (S_ISDIR(st.st_mode))
477+ add_directory(buffer, newdir);
478+ else if (S_ISREG(st.st_mode)) {
479+ unsigned char attrib = check_attrib_file(filename, dentry->d_name);
480+ add_file(buffer, newdir, attrib);
481+ }
482+ }
483+
484+ free(buffer);
485+ }
486+
487+ /* Now that the entire directory has been written, go ahead and write the directory
488+ entry as well */
489+
490+ entry->start = CT_LE_W(last_cluster_written);
491+ entry->starthi = CT_LE_W((last_cluster_written & 0xFFFF0000) >> 16);
492+ entry->size = newdir->count * sizeof(struct msdos_dir_entry);
493+
494+ remain = entry->size;
495+ data = (char *) newdir->table;
496+
497+ while(remain) {
498+ int size =
499+ remain > bs.cluster_size * sector_size ? bs.cluster_size * sector_size : remain;
500+
501+ int pos = (start_data_sector * sector_size) + size_root_dir;
502+ pos += (last_cluster_written - 2) * bs.cluster_size * sector_size;
503+
504+ seekto(pos, "add_dir");
505+ writebuf(data, size, "add_dir");
506+
507+ remain -= size;
508+ data += size;
509+
510+ mark_FAT_cluster(last_cluster_written, remain ? last_cluster_written + 1 : FAT_EOF);
511+ last_cluster_written++;
512+ }
513+
514+ exit_add_dir:
515+ if (rddir) closedir(rddir);
516+ if (newdir->table) free(newdir->table);
517+ if (newdir) free(newdir);
518+}
519+
520+/* Given a directory, add all the files and directories to the root directory of the
521+ image.
522+*/
523+
524+static void add_root_directory(char *dirname)
525+{
526+ DIR *dir = opendir(dirname);
527+ struct dirent *entry = 0;
528+ struct dir_entry *newdir = 0;
529+
530+ if (!dir) {
531+ printf("Error - directory %s does not exist\n", dirname);
532+ return;
533+ }
534+
535+ /* Create the root directory structure - this is a bit different then
536+ above, because the table already exists, we just refer to it. */
537+
538+ newdir = (struct dir_entry *) calloc(1,sizeof(struct dir_entry));
539+
540+ if (!newdir) {
541+ closedir(dir);
542+ return;
543+ }
544+
545+ newdir->entries = root_dir_entries;
546+ newdir->root = 1;
547+ newdir->count = 0;
548+ newdir->table = root_dir;
549+
550+ while((entry = readdir(dir))) {
551+ struct stat st;
552+ char *buffer;
553+
554+ if (!strcmp(entry->d_name, ".") || !strcmp(entry->d_name, ".."))
555+ continue;
556+
557+ /* DOS wouldn't like a typical unix . (dot) file, so we skip those too */
558+ if (entry->d_name[0] == '.') continue;
559+
560+ buffer = malloc(strlen(dirname) + strlen(entry->d_name) + 3);
561+ if (!buffer) continue;
562+
563+ sprintf(buffer, "%s/%s", dirname, entry->d_name);
564+ if (!stat(buffer, &st)) {
565+ if (S_ISDIR(st.st_mode))
566+ add_directory(buffer, newdir);
567+ else if (S_ISREG(st.st_mode)) {
568+ unsigned char attrib = check_attrib_file(dirname, entry->d_name);
569+ add_file(buffer, newdir, attrib);
570+ }
571+ }
572+
573+ free(buffer);
574+ }
575+
576+ closedir(dir);
577+ if (newdir) free(newdir);
578+}
579
580 /* Report the command usage and return a failure error code */
581
582@@ -1418,9 +1898,9 @@
583 [-m boot-msg-file] [-n volume-name] [-i volume-id] [-B bootcode]\n\
584 [-s sectors-per-cluster] [-S logical-sector-size] [-f number-of-FATs]\n\
585 [-F fat-size] [-r root-dir-entries] [-R reserved-sectors]\n\
586- /dev/name [blocks]\n");
587+ [-d directory] /dev/name [blocks]\n");
588 }
589-
590+
591 /*
592 * ++roman: On m68k, check if this is an Atari; if yes, turn on Atari variant
593 * of MS-DOS filesystem by default.
594@@ -1458,6 +1938,8 @@
595 int c;
596 char *tmp;
597 char *listfile = NULL;
598+ char *dirname = NULL;
599+
600 FILE *msgfile;
601 struct stat statbuf;
602 int i = 0, pos, ch;
603@@ -1477,7 +1959,7 @@
604 printf ("%s " VERSION " (" VERSION_DATE ")\n",
605 program_name);
606
607- while ((c = getopt (argc, argv, "AcCf:F:Ii:l:m:n:r:R:s:S:v:B:b")) != EOF)
608+ while ((c = getopt (argc, argv, "AcCd:f:F:Ii:l:m:n:r:R:s:S:v:B:b")) != EOF)
609 /* Scan the command line for options */
610 switch (c)
611 {
612@@ -1502,6 +1984,10 @@
613 create = TRUE;
614 break;
615
616+ case 'd':
617+ dirname = optarg;
618+ break;
619+
620 case 'f': /* f : Choose number of FATs */
621 nr_fats = (int) strtol (optarg, &tmp, 0);
622 if (*tmp || nr_fats < 1 || nr_fats > 4)
623@@ -1796,8 +2282,10 @@
624 else if (listfile)
625 get_list_blocks (listfile);
626
627- write_tables (); /* Write the file system tables away! */
628
629+ if (dirname) add_root_directory(dirname);
630+
631+ write_tables (); /* Write the file system tables away! */
632 exit (0); /* Terminate with no errors! */
633 }
634
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2026-07-11 16:34:23 +0000