mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-06-08 00:29:35 +00:00
mkdos33fs: properly create catalog tables
this didn't work at all before
This commit is contained in:
Vince Weaver
parent
a868c4957b
commit
98a0c6b2b3
2
dos33fs-utils/TODO
Normal file
2
dos33fs-utils/TODO
Normal file
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@ -0,0 +1,2 @@
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getopt in dos33fs
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BSAVE/BLOAD command in dos33fs, get rid of need for makeb
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@ -10,6 +10,8 @@
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#include "dos33.h"
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static int debug=1;
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static unsigned char sector_buffer[BYTES_PER_SECTOR];
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static int ones_lookup[16]={
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@ -422,89 +424,98 @@ found_one:
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return ((found_track<<8)+found_sector);
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}
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/* creates file apple_filename on the image from local file filename */
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/* returns ?? */
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#define ERROR_INVALID_FILENAME 1
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#define ERROR_FILE_NOT_FOUND 2
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#define ERROR_NO_SPACE 3
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#define ERROR_IMAGE_NOT_FOUND 4
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#define ERROR_CATALOG_FULL 5
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/* creates file apple_filename on the image from local file filename */
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/* returns ?? */
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static int dos33_add_file(int fd,char type,char *filename,
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char *apple_filename) {
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int free_space,file_size,needed_sectors;
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struct stat file_info;
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int size_in_sectors=0;
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int initial_ts_list=0,ts_list=0,i,data_ts,x,bytes_read=0,old_ts_list;
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int catalog_track,catalog_sector,sectors_used=0;
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int input_fd;
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int result;
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char *apple_filename) {
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if (apple_filename[0]<64) {
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fprintf(stderr,"Error! First char of filename must be ASCII 64 or above!\n");
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exit(3);
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}
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{
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int i;
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for(i=0;i<strlen(apple_filename);i++) {
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if (apple_filename[i]==',') {
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fprintf(stderr,"Error! Cannot have , in a filename!\n");
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exit(3);
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}
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}
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}
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/* FIXME */
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/* check type */
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/* and sanity check a/b filesize is set properly */
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/* Determine size of file to upload */
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if (stat(filename,&file_info)<0) {
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fprintf(stderr,"Error! %s not found!\n",filename);
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exit(3);
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}
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file_size=(int)file_info.st_size;
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/* We need to round up to nearest sector size */
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/* Add an extra sector for the T/S list */
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/* Then add extra sector for a T/S list every 122*256 bytes (~31k) */
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needed_sectors=(file_size/BYTES_PER_SECTOR)+ /* round sectors */
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((file_size%BYTES_PER_SECTOR)!=0)+/* tail if needed */
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1+/* first T/S list */
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(file_size/(122*BYTES_PER_SECTOR)); /* extra t/s lists */
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/* Get free space on device */
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free_space=dos33_free_space(fd);
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int free_space,file_size,needed_sectors;
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struct stat file_info;
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int size_in_sectors=0;
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int initial_ts_list=0,ts_list=0,i,data_ts,x,bytes_read=0,old_ts_list;
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int catalog_track,catalog_sector,sectors_used=0;
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int input_fd;
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int result;
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/* Check for free space */
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if (needed_sectors*BYTES_PER_SECTOR>free_space) {
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fprintf(stderr,"Error! Not enough free space on disk image (need %d have %d)\n",
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needed_sectors*BYTES_PER_SECTOR,free_space);
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exit(4);
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}
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if (apple_filename[0]<64) {
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fprintf(stderr,"Error! First char of filename "
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"must be ASCII 64 or above!\n");
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return ERROR_INVALID_FILENAME;
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}
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/* plus one because we need a sector for the tail */
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size_in_sectors=(file_size/BYTES_PER_SECTOR)+
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((file_size%BYTES_PER_SECTOR)!=0);
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// printf("Need to allocate %i data sectors\n",size_in_sectors);
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// printf("Need to allocate %i total sectors\n",needed_sectors);
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/* Open the local file */
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input_fd=open(filename,O_RDONLY);
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if (input_fd<0) {
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fprintf(stderr,"Error! could not open %s\n",filename);
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return -1;
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}
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/* Check for comma in filename */
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for(i=0;i<strlen(apple_filename);i++) {
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if (apple_filename[i]==',') {
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fprintf(stderr,"Error! "
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"Cannot have , in a filename!\n");
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return ERROR_INVALID_FILENAME;
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}
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}
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/* FIXME */
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/* check type */
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/* and sanity check a/b filesize is set properly */
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/* Determine size of file to upload */
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if (stat(filename,&file_info)<0) {
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fprintf(stderr,"Error! %s not found!\n",filename);
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return ERROR_FILE_NOT_FOUND;
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}
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file_size=(int)file_info.st_size;
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if (debug) printf("Filesize: %d\n",file_size);
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/* We need to round up to nearest sector size */
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/* Add an extra sector for the T/S list */
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/* Then add extra sector for a T/S list every 122*256 bytes (~31k) */
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needed_sectors=(file_size/BYTES_PER_SECTOR)+ /* round sectors */
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((file_size%BYTES_PER_SECTOR)!=0)+/* tail if needed */
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1+/* first T/S list */
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(file_size/(122*BYTES_PER_SECTOR)); /* extra t/s lists */
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/* Get free space on device */
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free_space=dos33_free_space(fd);
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/* Check for free space */
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if (needed_sectors*BYTES_PER_SECTOR>free_space) {
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fprintf(stderr,"Error! Not enough free space "
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"on disk image (need %d have %d)\n",
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needed_sectors*BYTES_PER_SECTOR,free_space);
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return ERROR_NO_SPACE;
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}
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/* plus one because we need a sector for the tail */
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size_in_sectors=(file_size/BYTES_PER_SECTOR)+
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((file_size%BYTES_PER_SECTOR)!=0);
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if (debug) printf("Need to allocate %i data sectors\n",size_in_sectors);
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if (debug) printf("Need to allocate %i total sectors\n",needed_sectors);
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/* Open the local file */
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input_fd=open(filename,O_RDONLY);
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if (input_fd<0) {
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fprintf(stderr,"Error! could not open %s\n",filename);
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return ERROR_IMAGE_NOT_FOUND;
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}
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i=0;
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while (i<size_in_sectors) {
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i=0;
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while (i<size_in_sectors) {
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/* Create new T/S list if necessary */
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if (i%TSL_MAX_NUMBER==0) {
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old_ts_list=ts_list;
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if (i%TSL_MAX_NUMBER==0) {
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old_ts_list=ts_list;
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/* allocate a sector for the new list */
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ts_list=dos33_allocate_sector(fd);
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sectors_used++;
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if (ts_list<0) return -1;
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/* allocate a sector for the new list */
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ts_list=dos33_allocate_sector(fd);
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sectors_used++;
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if (ts_list<0) return -1;
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/* clear the t/s sector */
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for(x=0;x<BYTES_PER_SECTOR;x++) sector_buffer[x]=0;
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lseek(fd,DISK_OFFSET((ts_list>>8)&0xff,ts_list&0xff),SEEK_SET);
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@ -578,43 +589,50 @@ static int dos33_add_file(int fd,char type,char *filename,
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i++;
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}
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/* Add new file to Catalog */
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/* read in vtoc */
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dos33_read_vtoc(fd);
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catalog_track=sector_buffer[VTOC_CATALOG_T];
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catalog_sector=sector_buffer[VTOC_CATALOG_S];
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/* Add new file to Catalog */
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/* read in vtoc */
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dos33_read_vtoc(fd);
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catalog_track=sector_buffer[VTOC_CATALOG_T];
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catalog_sector=sector_buffer[VTOC_CATALOG_S];
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continue_parsing_catalog:
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/* Read in Catalog Sector */
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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/* Find empty directory entry */
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i=0;
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while(i<7) {
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if ((sector_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)]==0xff) ||
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(sector_buffer[CATALOG_FILE_LIST+(i*CATALOG_ENTRY_SIZE)]==0x00))
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goto got_a_dentry;
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i++;
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}
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if ((catalog_track=0x11) && (catalog_sector==1)) {
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/* in theory can only have 105 files */
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/* if full, we have no recourse! */
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/* can we allocate new catalog sectors and point to them?? */
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fprintf(stderr,"Error! No more room for files!\n");
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return -1;
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}
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lseek(fd,DISK_OFFSET(catalog_track,catalog_sector),SEEK_SET);
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result=read(fd,sector_buffer,BYTES_PER_SECTOR);
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catalog_track=sector_buffer[CATALOG_NEXT_T];
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catalog_sector=sector_buffer[CATALOG_NEXT_S];
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/* Find empty directory entry */
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i=0;
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while(i<7) {
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/* for undelete purposes might want to skip 0xff */
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/* (deleted) files first and only use if no room */
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if ((sector_buffer[CATALOG_FILE_LIST+
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(i*CATALOG_ENTRY_SIZE)]==0xff) ||
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(sector_buffer[CATALOG_FILE_LIST+
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(i*CATALOG_ENTRY_SIZE)]==0x00)) {
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goto got_a_dentry;
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}
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i++;
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}
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if ((catalog_track=0x11) && (catalog_sector==1)) {
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/* in theory can only have 105 files */
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/* if full, we have no recourse! */
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/* can we allocate new catalog sectors */
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/* and point to them?? */
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fprintf(stderr,"Error! No more room for files!\n");
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return ERROR_CATALOG_FULL;
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}
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catalog_track=sector_buffer[CATALOG_NEXT_T];
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catalog_sector=sector_buffer[CATALOG_NEXT_S];
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goto continue_parsing_catalog;
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goto continue_parsing_catalog;
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got_a_dentry:
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// printf("Adding file at entry %i of catalog 0x%x:0x%x\n",
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// i,catalog_track,catalog_sector);
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@ -1311,14 +1329,14 @@ int main(int argc, char **argv) {
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}
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dos33_load_file(dos_fd,catalog_entry,output_filename);
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break;
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case COMMAND_CATALOG:
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case COMMAND_CATALOG:
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/* get first catalog */
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catalog_entry=dos33_get_catalog_ts(dos_fd);
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catalog_entry=dos33_get_catalog_ts(dos_fd);
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printf("\nDISK VOLUME %i\n\n",sector_buffer[VTOC_DISK_VOLUME]);
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while(catalog_entry>0) {
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catalog_entry=dos33_find_next_file(dos_fd,catalog_entry);
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@ -1330,35 +1348,36 @@ int main(int argc, char **argv) {
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}
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printf("\n");
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break;
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case COMMAND_SAVE:
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/* argv3 == type == A,B,T,I,N,L etc */
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/* argv4 == name of local file */
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/* argv5 == optional name of file on disk image */
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if (argc<5+extra_ops) {
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fprintf(stderr,"Error! Need type and file_name\n");
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fprintf(stderr,"%s %s SAVE type file_name apple_filename\n",
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argv[0],image);
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goto exit_and_close;
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}
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type=argv[firstarg+2][0];
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if (argc==6+extra_ops) {
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if (strlen(argv[firstarg+4])>30) {
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fprintf(stderr,
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"Warning! Truncating filename to 30 chars!\n");
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}
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strncpy(apple_filename,argv[firstarg+4],30);
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apple_filename[30]=0;
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}
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else {
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/* If no filename specified for apple name */
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/* Then use the input name. Note, we strip */
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/* everything up to the last slash so useless */
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/* path info isn't used */
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case COMMAND_SAVE:
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/* argv3 == type == A,B,T,I,N,L etc */
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/* argv4 == name of local file */
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/* argv5 == optional name of file on disk image */
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if (argc<5+extra_ops) {
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fprintf(stderr,"Error! Need type and file_name\n");
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fprintf(stderr,"%s %s SAVE type "
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"file_name apple_filename\n",
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argv[0],image);
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goto exit_and_close;
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}
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type=argv[firstarg+2][0];
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if (argc==6+extra_ops) {
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if (strlen(argv[firstarg+4])>30) {
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fprintf(stderr,
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"Warning! Truncating filename "
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"to 30 chars!\n");
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}
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strncpy(apple_filename,argv[firstarg+4],30);
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apple_filename[30]=0;
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}
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else {
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/* If no filename specified for apple name */
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/* Then use the input name. Note, we strip */
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/* everything up to the last slash so useless */
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/* path info isn't used */
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{
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char *temp;
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temp=argv[firstarg+3]+(strlen(argv[firstarg+3])-1);
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@ -1398,9 +1417,9 @@ int main(int argc, char **argv) {
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dos33_delete_file(dos_fd,catalog_entry);
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}
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dos33_add_file(dos_fd,type,argv[firstarg+3],apple_filename);
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break;
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dos33_add_file(dos_fd,type,argv[firstarg+3],apple_filename);
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break;
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case COMMAND_DELETE:
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if (argc+extra_ops<4) {
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@ -7,45 +7,45 @@
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#include "dos33.h"
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void usage(char *binary,int help) {
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printf("\n%s - version %s\n",binary,VERSION);
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printf("\tby Vince Weaver <vince@deater.net>\n");
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printf("\thttp://www.deater.net/weave/vmwprod/apple/\n\n");
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if (help) {
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printf("Usage:\t%s [-t track] [-s sector] [-b size] "
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"[-d filename] [-f filename] device_name\n\n",binary);
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printf("\t-t tracks : number of tracks in filesystem\n");
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printf("\t-s sectors : number of sectors in filesystem\n");
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printf("\t-b blocksize : size of sector, in bytes\n");
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printf("\t-d filename : file to copy first 3 tracks over from\n");
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printf("\t-f filename : name of BASIC file to autoboot. Default is HELLO\n");
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printf("\n\n");
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}
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exit(0);
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return;
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static void usage(char *binary,int help) {
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printf("\n%s - version %s\n",binary,VERSION);
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printf("\tby Vince Weaver <vince@deater.net>\n");
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printf("\thttp://www.deater.net/weave/vmwprod/apple/\n\n");
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if (help) {
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printf("Usage:\t%s [-t track] [-s sector] [-b size] "
|
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"[-d filename] [-f filename] device_name\n\n",binary);
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printf("\t-t tracks : number of tracks in filesystem\n");
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printf("\t-s sectors : number of sectors in filesystem\n");
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printf("\t-b blocksize : size of sector, in bytes\n");
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printf("\t-d filename : file to copy first 3 tracks over from\n");
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printf("\t-f filename : name of BASIC file to autoboot. Default is HELLO\n");
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printf("\n\n");
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}
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exit(0);
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return;
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}
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int main(int argc, char **argv) {
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int num_tracks=35,num_sectors=16,block_size=256;
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int fd,dos_fd;
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char device[BUFSIZ],dos_src[BUFSIZ];
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char *buffer,*endptr;
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int i,c,copy_dos=0;
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int result;
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char boot_filename[30]="HELLO ";
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/* Parse Command Line Arguments */
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|
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int num_tracks=35,num_sectors=16,block_size=256;
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int fd,dos_fd;
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char device[BUFSIZ],dos_src[BUFSIZ];
|
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char *buffer,*endptr;
|
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int i,c,copy_dos=0;
|
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int result;
|
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|
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char boot_filename[30]="HELLO ";
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|
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/* Parse Command Line Arguments */
|
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while ((c = getopt (argc, argv,"t:s:b:d:f:hv"))!=-1) {
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switch (c) {
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case 't': num_tracks=strtol(optarg,&endptr,10);
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if ( endptr == optarg ) usage(argv[0], 1);
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break;
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case 's': num_sectors=strtol(optarg,&endptr,10);
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if ( endptr == optarg ) usage(argv[0], 1);
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break;
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@ -56,7 +56,7 @@ int main(int argc, char **argv) {
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case 'd': copy_dos=1;
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strncpy(dos_src,optarg,BUFSIZ);
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break;
|
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|
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|
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case 'f':
|
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if (strlen(optarg)>30) {
|
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fprintf(stderr,"Auto boot filename too long!\n");
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|
@ -69,90 +69,89 @@ int main(int argc, char **argv) {
|
|||
|
||||
case 'v': usage(argv[0],0);
|
||||
case 'h': usage(argv[0],1);
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (optind==argc) {
|
||||
printf("Error! Must include device name\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
strncpy(device,argv[optind],BUFSIZ);
|
||||
|
||||
/* Sanity check values */
|
||||
|
||||
/* s 2->32 (limited by 4-byte bitfields) */
|
||||
if ((num_sectors<2) || (num_sectors>32)) {
|
||||
printf("Number of sectors must be >2 and <=32\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* t 17->(block_size-0x38)/2 */
|
||||
if ((num_tracks<18) || (num_tracks>(block_size-0x38)/2)) {
|
||||
printf("Number of tracks must be >18 and <=%i (block_size-0x38)/2\n\n",
|
||||
(block_size-0x38)/2);
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* sector_size 256->65536 (or 512 basedon one bye t/s size field?) */
|
||||
if ((block_size<256)||(block_size>65536)) {
|
||||
printf("Block size must be >=256 and <65536\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
|
||||
buffer=calloc(1,sizeof(char)*block_size);
|
||||
|
||||
if (optind==argc) {
|
||||
printf("Error! Must include device name\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
strncpy(device,argv[optind],BUFSIZ);
|
||||
|
||||
/* Sanity check values */
|
||||
|
||||
/* s 2->32 (limited by 4-byte bitfields) */
|
||||
if ((num_sectors<2) || (num_sectors>32)) {
|
||||
printf("Number of sectors must be >2 and <=32\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* t 17->(block_size-0x38)/2 */
|
||||
if ((num_tracks<18) || (num_tracks>(block_size-0x38)/2)) {
|
||||
printf("Number of tracks must be >18 and <=%i (block_size-0x38)/2\n\n",
|
||||
(block_size-0x38)/2);
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* sector_size 256->65536 (or 512 basedon one bye t/s size field?) */
|
||||
if ((block_size<256)||(block_size>65536)) {
|
||||
printf("Block size must be >=256 and <65536\n\n");
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
buffer=calloc(1,sizeof(char)*block_size);
|
||||
|
||||
/* Open device */
|
||||
fd=open(device,O_RDWR|O_CREAT,0666);
|
||||
if (fd<0) {
|
||||
fprintf(stderr,"Error opening %s\n",device);
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* zero out file */
|
||||
for(i=0;i<num_tracks*num_sectors;i++) {
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
fd=open(device,O_RDWR|O_CREAT,0666);
|
||||
if (fd<0) {
|
||||
fprintf(stderr,"Error opening %s\n",device);
|
||||
goto end_of_program;
|
||||
}
|
||||
|
||||
/* Copy over OS from elsewhere, if desired */
|
||||
if (copy_dos) {
|
||||
|
||||
dos_fd=open(dos_src,O_RDONLY);
|
||||
if (fd<0) {
|
||||
fprintf(stderr,"Error opening %s\n",dos_src);
|
||||
goto end_of_program;
|
||||
}
|
||||
lseek(fd,0,SEEK_SET);
|
||||
/* copy first 3 sectors */
|
||||
for(i=0;i<3*(num_sectors);i++) {
|
||||
result=read(dos_fd,buffer,block_size);
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
close(dos_fd);
|
||||
|
||||
/* Set boot filename */
|
||||
|
||||
/* Track 1 sector 9 */
|
||||
lseek(fd,((1*num_sectors)+9)*block_size,SEEK_SET);
|
||||
result=read(fd,buffer,block_size);
|
||||
|
||||
/* filename begins at offset 75 */
|
||||
for(i=0;i<30;i++) {
|
||||
buffer[0x75+i]=boot_filename[i]|0x80;
|
||||
}
|
||||
lseek(fd,((1*num_sectors)+9)*block_size,SEEK_SET);
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
/* zero out file */
|
||||
for(i=0;i<num_tracks*num_sectors;i++) {
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
|
||||
/* clear buffer */
|
||||
for(i=0;i<block_size;i++) buffer[i]=0;
|
||||
/* Copy over OS from elsewhere, if desired */
|
||||
if (copy_dos) {
|
||||
dos_fd=open(dos_src,O_RDONLY);
|
||||
if (fd<0) {
|
||||
fprintf(stderr,"Error opening %s\n",dos_src);
|
||||
goto end_of_program;
|
||||
}
|
||||
lseek(fd,0,SEEK_SET);
|
||||
/* copy first 3 sectors */
|
||||
for(i=0;i<3*(num_sectors);i++) {
|
||||
result=read(dos_fd,buffer,block_size);
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
close(dos_fd);
|
||||
|
||||
/* Set boot filename */
|
||||
|
||||
/* Track 1 sector 9 */
|
||||
lseek(fd,((1*num_sectors)+9)*block_size,SEEK_SET);
|
||||
result=read(fd,buffer,block_size);
|
||||
|
||||
/* filename begins at offset 75 */
|
||||
for(i=0;i<30;i++) {
|
||||
buffer[0x75+i]=boot_filename[i]|0x80;
|
||||
}
|
||||
lseek(fd,((1*num_sectors)+9)*block_size,SEEK_SET);
|
||||
result=write(fd,buffer,block_size);
|
||||
}
|
||||
|
||||
/* clear buffer */
|
||||
for(i=0;i<block_size;i++) buffer[i]=0;
|
||||
|
||||
/* Create VTOC */
|
||||
buffer[VTOC_DOS_RELEASE]=0x3; /* fake dos 3.3 */
|
||||
buffer[VTOC_CATALOG_T]=0x11;
|
||||
buffer[VTOC_CATALOG_S]=0xf; /* 1st Catalog typically at 0x11/0xf */
|
||||
buffer[VTOC_CATALOG_S]=num_sectors-1;
|
||||
/* 1st Catalog typically at 0x11/0xf */
|
||||
buffer[VTOC_DISK_VOLUME]=254; /* typical volume 254 */
|
||||
buffer[VTOC_MAX_TS_PAIRS]=((block_size-0xc)/2)&0xff;
|
||||
/* Number of T/S pairs fitting */
|
||||
|
|
@ -205,10 +204,22 @@ int main(int argc, char **argv) {
|
|||
|
||||
/* Write out VTOC to disk */
|
||||
lseek(fd,((17*num_sectors)+0)*block_size,SEEK_SET);
|
||||
result=write(fd,buffer,block_size);
|
||||
|
||||
result=write(fd,buffer,block_size);
|
||||
if (result<0) fprintf(stderr,"Error writing!\n");
|
||||
|
||||
/* clear buffer */
|
||||
for(i=0;i<block_size;i++) buffer[i]=0;
|
||||
/* Set catalog next pointers */
|
||||
for(i=(num_sectors-1);i>1;i--) {
|
||||
buffer[1]=0x11;
|
||||
buffer[2]=i-1;
|
||||
|
||||
lseek(fd,((17*num_sectors)+i)*block_size,SEEK_SET);
|
||||
result=write(fd,buffer,block_size);
|
||||
if (result<0) fprintf(stderr,"Error writing!\n");
|
||||
}
|
||||
|
||||
close(fd);
|
||||
|
||||
end_of_program:
|
||||
|
|
|
|||
|
|
@ -1 +1 @@
|
|||
#define VERSION "0.0.11"
|
||||
#define VERSION "0.0.12"
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user