1141 lines
26 KiB
C
Executable file
1141 lines
26 KiB
C
Executable file
/*
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* mformat.c
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*/
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#define DONT_NEED_WAIT
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#include "sysincludes.h"
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#include "msdos.h"
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#include "mtools.h"
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#include "mainloop.h"
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#include "fsP.h"
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#include "file.h"
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#include "plain_io.h"
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#include "floppyd_io.h"
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#include "nameclash.h"
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#include "buffer.h"
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#ifdef USE_XDF
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#include "xdf_io.h"
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#endif
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#include "partition.h"
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#ifndef abs
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#define abs(x) ((x)>0?(x):-(x))
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#endif
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#ifdef OS_linux
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#include "linux/hdreg.h"
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#define _LINUX_STRING_H_
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#define kdev_t int
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#include "linux/fs.h"
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#undef _LINUX_STRING_H_
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#endif
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extern int errno;
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static int init_geometry_boot(struct bootsector *boot, struct device *dev,
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int sectors0, int rate_0, int rate_any,
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int *tot_sectors, int keepBoot)
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{
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int i;
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int nb_renum;
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int sector2;
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int size2;
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int j;
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int sum;
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set_word(boot->nsect, dev->sectors);
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set_word(boot->nheads, dev->heads);
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*tot_sectors = dev->heads * dev->sectors * dev->tracks - DWORD(nhs);
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if (*tot_sectors < 0x10000){
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set_word(boot->psect, *tot_sectors);
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set_dword(boot->bigsect, 0);
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} else {
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set_word(boot->psect, 0);
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set_dword(boot->bigsect, *tot_sectors);
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}
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if (dev->use_2m & 0x7f){
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int bootOffset;
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strncpy(boot->banner, "2M-STV04", 8);
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boot->ext.old.res_2m = 0;
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boot->ext.old.fmt_2mf = 6;
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if ( dev->sectors % ( ((1 << dev->ssize) + 3) >> 2 ))
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boot->ext.old.wt = 1;
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else
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boot->ext.old.wt = 0;
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boot->ext.old.rate_0= rate_0;
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boot->ext.old.rate_any= rate_any;
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if (boot->ext.old.rate_any== 2 )
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boot->ext.old.rate_any= 1;
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i=76;
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/* Infp0 */
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set_word(boot->ext.old.Infp0, i);
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boot->jump[i++] = sectors0;
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boot->jump[i++] = 108;
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for(j=1; j<= sectors0; j++)
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boot->jump[i++] = j;
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set_word(boot->ext.old.InfpX, i);
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boot->jump[i++] = 64;
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boot->jump[i++] = 3;
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nb_renum = i++;
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sector2 = dev->sectors;
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size2 = dev->ssize;
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j=1;
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while( sector2 ){
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while ( sector2 < (1 << size2) >> 2 )
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size2--;
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boot->jump[i++] = 128 + j;
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boot->jump[i++] = j++;
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boot->jump[i++] = size2;
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sector2 -= (1 << size2) >> 2;
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}
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boot->jump[nb_renum] = ( i - nb_renum - 1 ) / 3;
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set_word(boot->ext.old.InfTm, i);
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sector2 = dev->sectors;
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size2= dev->ssize;
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while(sector2){
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while ( sector2 < 1 << ( size2 - 2) )
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size2--;
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boot->jump[i++] = size2;
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sector2 -= 1 << (size2 - 2 );
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}
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set_word(boot->ext.old.BootP,i);
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bootOffset = i;
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/* checksum */
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for (sum=0, j=64; j<i; j++)
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sum += boot->jump[j];/* checksum */
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boot->ext.old.CheckSum=-sum;
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return bootOffset;
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} else {
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if(!keepBoot) {
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boot->jump[0] = 0xeb;
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boot->jump[1] = 0;
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boot->jump[2] = 0x90;
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strncpy(boot->banner, "MTOOL397", 8);
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/* It looks like some versions of DOS are
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* rather picky about this, and assume default
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* parameters without this, ignoring any
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* indication about cluster size et al. */
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}
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return 0;
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}
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}
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static int comp_fat_bits(Fs_t *Fs, int estimate,
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unsigned int tot_sectors, int fat32)
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{
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int needed_fat_bits;
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needed_fat_bits = 12;
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#define MAX_DISK_SIZE(bits,clusters) \
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TOTAL_DISK_SIZE((bits), Fs->sector_size, (clusters), \
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Fs->num_fat, MAX_SECT_PER_CLUSTER)
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if(tot_sectors > MAX_DISK_SIZE(12, FAT12))
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needed_fat_bits = 16;
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if(fat32 || tot_sectors > MAX_DISK_SIZE(16, FAT16))
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needed_fat_bits = 32;
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#undef MAX_DISK_SIZE
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if(abs(estimate) && abs(estimate) < needed_fat_bits) {
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if(fat32) {
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fprintf(stderr,
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"Contradiction between FAT size on command line and FAT size in conf file\n");
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exit(1);
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}
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fprintf(stderr,
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"Device too big for a %d bit FAT\n",
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estimate);
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exit(1);
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}
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if(needed_fat_bits == 32 && !fat32 && abs(estimate) !=32){
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fprintf(stderr,"Warning: Using 32 bit FAT. Drive will only be accessibly by Win95 OEM / Win98\n");
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}
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if(!estimate) {
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int min_fat16_size;
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if(needed_fat_bits > 12)
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return needed_fat_bits;
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min_fat16_size = DISK_SIZE(16, Fs->sector_size, FAT12+1,
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Fs->num_fat, 1);
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if(tot_sectors < min_fat16_size)
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return 12;
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else if(tot_sectors >= 2* min_fat16_size)
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return 16; /* heuristics */
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}
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return estimate;
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}
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static void calc_fat_bits2(Fs_t *Fs, unsigned int tot_sectors, int fat_bits)
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{
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unsigned int rem_sect;
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/*
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* the "remaining sectors" after directory and boot
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* hasve been accounted for.
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*/
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rem_sect = tot_sectors - Fs->dir_len - Fs->fat_start;
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switch(abs(fat_bits)) {
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case 0:
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#define MY_DISK_SIZE(bits,clusters) \
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DISK_SIZE( (bits), Fs->sector_size, (clusters), \
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Fs->num_fat, Fs->cluster_size)
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if(rem_sect >= MY_DISK_SIZE(16, FAT12 + 1))
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/* big enough for FAT16 */
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set_fat16(Fs);
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else if(rem_sect <= MY_DISK_SIZE(12, FAT12))
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/* small enough for FAT12 */
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set_fat12(Fs);
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else {
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/* "between two chairs",
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* augment cluster size, and
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* settle it */
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if(Fs->cluster_size < MAX_SECT_PER_CLUSTER)
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Fs->cluster_size <<= 1;
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set_fat12(Fs);
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}
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break;
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#undef MY_DISK_SIZE
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case 12:
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set_fat12(Fs);
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break;
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case 16:
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set_fat16(Fs);
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break;
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case 32:
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set_fat32(Fs);
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break;
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}
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}
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static inline void format_root(Fs_t *Fs, char *label, struct bootsector *boot)
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{
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Stream_t *RootDir;
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char *buf;
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int i;
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struct ClashHandling_t ch;
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int dirlen;
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init_clash_handling(&ch);
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ch.name_converter = label_name;
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ch.ignore_entry = -2;
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buf = safe_malloc(Fs->sector_size);
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RootDir = OpenRoot((Stream_t *)Fs);
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if(!RootDir){
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fprintf(stderr,"Could not open root directory\n");
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exit(1);
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}
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memset(buf, '\0', Fs->sector_size);
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if(Fs->fat_bits == 32) {
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/* on a FAT32 system, we only write one sector,
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* as the directory can be extended at will...*/
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dirlen = 1;
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fatAllocate(Fs, Fs->rootCluster, Fs->end_fat);
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} else
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dirlen = Fs->dir_len;
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for (i = 0; i < dirlen; i++)
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WRITES(RootDir, buf, sectorsToBytes((Stream_t*)Fs, i),
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Fs->sector_size);
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ch.ignore_entry = 1;
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if(label[0])
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mwrite_one(RootDir,label, 0, labelit, NULL,&ch);
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FREE(&RootDir);
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if(Fs->fat_bits == 32)
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set_word(boot->dirents, 0);
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else
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set_word(boot->dirents, Fs->dir_len * (Fs->sector_size / 32));
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free(buf);
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}
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static void xdf_calc_fat_size(Fs_t *Fs, unsigned int tot_sectors, int fat_bits)
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{
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unsigned int rem_sect;
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rem_sect = tot_sectors - Fs->dir_len - Fs->fat_start - 2 * Fs->fat_len;
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if(Fs->fat_len) {
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/* an XDF disk, we know the fat_size and have to find
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* out the rest. We start with a cluster size of 1 and
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* keep doubling until everything fits into the
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* FAT. This will occur eventually, as our FAT has a
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* minimal size of 1 */
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for(Fs->cluster_size = 1; 1 ; Fs->cluster_size <<= 1) {
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Fs->num_clus = rem_sect / Fs->cluster_size;
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if(abs(fat_bits) == 16 || Fs->num_clus > FAT12)
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set_fat16(Fs);
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else
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set_fat12(Fs);
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if (Fs->fat_len >= NEEDED_FAT_SIZE(Fs))
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return;
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}
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}
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fprintf(stderr,"Internal error while calculating Xdf fat size\n");
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exit(1);
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}
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static void calc_fat_size(Fs_t *Fs, unsigned int tot_sectors)
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{
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unsigned int rem_sect;
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int tries;
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int occupied;
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tries=0;
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/* rough estimate of fat size */
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Fs->fat_len = 1;
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rem_sect = tot_sectors - Fs->dir_len - Fs->fat_start;
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while(1){
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Fs->num_clus = (rem_sect - 2 * Fs->fat_len ) /Fs->cluster_size;
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Fs->fat_len = NEEDED_FAT_SIZE(Fs);
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occupied = 2 * Fs->fat_len + Fs->cluster_size * Fs->num_clus;
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/* if we have used up more than we have,
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* we'll have to reloop */
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if ( occupied > rem_sect )
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continue;
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/* if we have exactly used up all
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* sectors, fine */
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if ( rem_sect - occupied < Fs->cluster_size )
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break;
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/* if we have not used up all our
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* sectors, try again. After the second
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* try, decrease the amount of available
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* space. This is to deal with the case of
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* 344 or 345, ..., 1705, ... available
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* sectors. */
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switch(tries++){
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default:
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/* this should never happen */
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fprintf(stderr,
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"Internal error in cluster/fat repartition"
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" calculation.\n");
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exit(1);
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case 2:
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/* FALLTHROUGH */
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case 1:
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rem_sect-= Fs->cluster_size;
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Fs->dir_len += Fs->cluster_size;
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case 0:
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continue;
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}
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}
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if ( Fs->num_clus > FAT12 && Fs->fat_bits == 12 ){
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fprintf(stderr,"Too many clusters for this fat size."
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" Please choose a 16-bit fat in your /etc/mtools"
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" or .mtoolsrc file\n");
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exit(1);
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}
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if ( Fs->num_clus <= FAT12 && Fs->fat_bits > 12 ){
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fprintf(stderr,"Too few clusters for this fat size."
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" Please choose a 12-bit fat in your /etc/mtools"
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" or .mtoolsrc file\n");
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exit(1);
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}
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}
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static unsigned char bootprog[]=
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{0xfa, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfc, 0xb9, 0x00, 0x01,
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0xbe, 0x00, 0x7c, 0xbf, 0x00, 0x80, 0xf3, 0xa5, 0xea, 0x00, 0x00,
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0x00, 0x08, 0xb8, 0x01, 0x02, 0xbb, 0x00, 0x7c, 0xba, 0x80, 0x00,
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0xb9, 0x01, 0x00, 0xcd, 0x13, 0x72, 0x05, 0xea, 0x00, 0x7c, 0x00,
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0x00, 0xcd, 0x19};
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static inline void inst_boot_prg(struct bootsector *boot, int offset)
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{
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memcpy((char *) boot->jump + offset,
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(char *) bootprog, sizeof(bootprog) /sizeof(bootprog[0]));
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boot->jump[0] = 0xeb;
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boot->jump[1] = offset - 1;
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boot->jump[2] = 0x90;
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set_word(boot->jump + offset + 20, offset + 24);
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}
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static void calc_cluster_size(struct Fs_t *Fs, unsigned int tot_sectors,
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int fat_bits)
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{
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unsigned int max_clusters; /* maximal possible number of sectors for
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* this FAT entry length (12/16/32) */
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unsigned int max_fat_size; /* maximal size of the FAT for this FAT
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* entry length (12/16/32) */
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unsigned int rem_sect; /* remaining sectors after we accounted for
|
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* the root directory and boot sector(s) */
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switch(abs(fat_bits)) {
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case 12:
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max_clusters = FAT12;
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max_fat_size = Fs->num_fat *
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FAT_SIZE(12, Fs->sector_size, max_clusters);
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break;
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case 16:
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case 0: /* still hesititating between 12 and 16 */
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max_clusters = FAT16;
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max_fat_size = Fs->num_fat *
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FAT_SIZE(16, Fs->sector_size, max_clusters);
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break;
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case 32:
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Fs->cluster_size = 8;
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/* According to
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* http://www.microsoft.com/kb/articles/q154/9/97.htm,
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* Micro$oft does not support FAT32 with less than 4K
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*/
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return;
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default:
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fprintf(stderr,"Bad fat size\n");
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exit(1);
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}
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rem_sect = tot_sectors - Fs->dir_len - Fs->fat_start;
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/* double the cluster size until we can fill up the disk with
|
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* the maximal number of sectors of this size */
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while(Fs->cluster_size * max_clusters + max_fat_size < rem_sect) {
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if(Fs->cluster_size > 64) {
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/* bigger than 64. Should fit */
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fprintf(stderr,
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"Internal error while calculating cluster size\n");
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exit(1);
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}
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Fs->cluster_size <<= 1;
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}
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}
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struct OldDos_t old_dos[]={
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{ 40, 9, 1, 4, 1, 2, 0xfc },
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{ 40, 9, 2, 7, 2, 2, 0xfd },
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{ 40, 8, 1, 4, 1, 1, 0xfe },
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{ 40, 8, 2, 7, 2, 1, 0xff },
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{ 80, 9, 2, 7, 2, 3, 0xf9 },
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{ 80, 15, 2,14, 1, 7, 0xf9 },
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{ 80, 18, 2,14, 1, 9, 0xf0 },
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{ 80, 36, 2,15, 2, 9, 0xf0 },
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{ 1, 8, 1, 1, 1, 1, 0xf0 },
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};
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static int old_dos_size_to_geom(int size, int *cyls, int *heads, int *sects)
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{
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int i;
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size = size * 2;
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for(i=0; i < sizeof(old_dos) / sizeof(old_dos[0]); i++){
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if (old_dos[i].sectors *
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old_dos[i].tracks *
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old_dos[i].heads == size) {
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*cyls = old_dos[i].tracks;
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*heads = old_dos[i].heads;
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*sects = old_dos[i].sectors;
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return 0;
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}
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}
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return 1;
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}
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|
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static void calc_fs_parameters(struct device *dev, unsigned int tot_sectors,
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struct Fs_t *Fs, struct bootsector *boot)
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{
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int i;
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for(i=0; i < sizeof(old_dos) / sizeof(old_dos[0]); i++){
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if (dev->sectors == old_dos[i].sectors &&
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dev->tracks == old_dos[i].tracks &&
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dev->heads == old_dos[i].heads &&
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(dev->fat_bits == 0 || abs(dev->fat_bits) == 12)){
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boot->descr = old_dos[i].media;
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Fs->cluster_size = old_dos[i].cluster_size;
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Fs->dir_len = old_dos[i].dir_len;
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Fs->fat_len = old_dos[i].fat_len;
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Fs->fat_bits = 12;
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break;
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}
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}
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if (i == sizeof(old_dos) / sizeof(old_dos[0]) ){
|
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/* a non-standard format */
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if(DWORD(nhs))
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boot->descr = 0xf8;
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else
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boot->descr = 0xf0;
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|
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if(!Fs->cluster_size) {
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if (dev->heads == 1)
|
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Fs->cluster_size = 1;
|
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else {
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Fs->cluster_size = (tot_sectors > 2000 ) ? 1:2;
|
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if (dev->use_2m & 0x7f)
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Fs->cluster_size = 1;
|
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}
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}
|
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|
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if(!Fs->dir_len) {
|
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if (dev->heads == 1)
|
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Fs->dir_len = 4;
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else
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Fs->dir_len = (tot_sectors > 2000) ? 11 : 7;
|
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}
|
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|
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calc_cluster_size(Fs, tot_sectors, dev->fat_bits);
|
|
if(Fs->fat_len)
|
|
xdf_calc_fat_size(Fs, tot_sectors, dev->fat_bits);
|
|
else {
|
|
calc_fat_bits2(Fs, tot_sectors, dev->fat_bits);
|
|
calc_fat_size(Fs, tot_sectors);
|
|
}
|
|
}
|
|
|
|
set_word(boot->fatlen, Fs->fat_len);
|
|
}
|
|
|
|
|
|
|
|
static void calc_fs_parameters_32(unsigned int tot_sectors,
|
|
struct Fs_t *Fs, struct bootsector *boot)
|
|
{
|
|
if(DWORD(nhs))
|
|
boot->descr = 0xf8;
|
|
else
|
|
boot->descr = 0xf0;
|
|
if(!Fs->cluster_size)
|
|
/* According to
|
|
* http://www.microsoft.com/kb/articles/q154/9/97.htm,
|
|
* Micro$oft does not support FAT32 with less than 4K
|
|
*/
|
|
Fs->cluster_size = 8;
|
|
|
|
Fs->dir_len = 0;
|
|
Fs->num_clus = tot_sectors / Fs->cluster_size;
|
|
set_fat32(Fs);
|
|
calc_fat_size(Fs, tot_sectors);
|
|
set_word(boot->fatlen, 0);
|
|
set_dword(boot->ext.fat32.bigFat, Fs->fat_len);
|
|
}
|
|
|
|
|
|
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr,
|
|
"Mtools version %s, dated %s\n", mversion, mdate);
|
|
fprintf(stderr,
|
|
"Usage: %s [-t tracks] [-h heads] [-n sectors] "
|
|
"[-v label] [-1] [-4] [-8] [-f size] "
|
|
"[-N serialnumber] "
|
|
"[-k] [-B bootsector] [-r root_dir_len] [-L fat_len] "
|
|
"[-F] [-I fsVersion] [-C] [-c cluster_size] "
|
|
"[-H hidden_sectors] "
|
|
#ifdef USE_XDF
|
|
"[-X] "
|
|
#endif
|
|
"[-S hardsectorsize] [-M softsectorsize] [-3] "
|
|
"[-2 track0sectors] [-0 rate0] [-A rateany] [-a]"
|
|
"device\n", progname);
|
|
exit(1);
|
|
}
|
|
|
|
void mformat(int argc, char **argv, int dummy)
|
|
{
|
|
int r; /* generic return value */
|
|
Fs_t Fs;
|
|
int hs, hs_set;
|
|
int arguse_2m = 0;
|
|
int sectors0=18; /* number of sectors on track 0 */
|
|
int create = 0;
|
|
int rate_0, rate_any;
|
|
int mangled;
|
|
int argssize=0; /* sector size */
|
|
int msize=0;
|
|
int fat32 = 0;
|
|
struct label_blk_t *labelBlock;
|
|
int bootOffset;
|
|
|
|
#ifdef USE_XDF
|
|
int i;
|
|
int format_xdf = 0;
|
|
struct xdf_info info;
|
|
#endif
|
|
struct bootsector *boot;
|
|
char *bootSector=0;
|
|
int c;
|
|
int keepBoot = 0;
|
|
struct device used_dev;
|
|
int argtracks, argheads, argsectors;
|
|
int tot_sectors;
|
|
int blocksize;
|
|
|
|
char *drive, name[EXPAND_BUF];
|
|
|
|
char label[VBUFSIZE], buf[MAX_SECTOR], shortlabel[13];
|
|
struct device *dev;
|
|
char errmsg[200];
|
|
|
|
unsigned long serial;
|
|
int serial_set;
|
|
int fsVersion;
|
|
|
|
mt_off_t maxSize;
|
|
|
|
int Atari = 0; /* should we add an Atari-style serial number ? */
|
|
#ifdef OS_Minix
|
|
char *devname;
|
|
struct device onedevice[2];
|
|
struct stat stbuf;
|
|
#endif
|
|
|
|
hs = hs_set = 0;
|
|
argtracks = 0;
|
|
argheads = 0;
|
|
argsectors = 0;
|
|
arguse_2m = 0;
|
|
argssize = 0x2;
|
|
label[0] = '\0';
|
|
serial_set = 0;
|
|
serial = 0;
|
|
fsVersion = 0;
|
|
|
|
Fs.cluster_size = 0;
|
|
Fs.refs = 1;
|
|
Fs.dir_len = 0;
|
|
Fs.fat_len = 0;
|
|
Fs.Class = &FsClass;
|
|
rate_0 = mtools_rate_0;
|
|
rate_any = mtools_rate_any;
|
|
|
|
/* get command line options */
|
|
while ((c = getopt(argc,argv,
|
|
"148f:t:n:v:qub"
|
|
"kB:r:L:IFCc:Xh:s:l:N:H:M:S:230:Aa"))!= EOF) {
|
|
switch (c) {
|
|
/* standard DOS flags */
|
|
case '1':
|
|
argheads = 1;
|
|
break;
|
|
case '4':
|
|
argsectors = 9;
|
|
argtracks = 40;
|
|
break;
|
|
case '8':
|
|
argsectors = 8;
|
|
argtracks = 40;
|
|
break;
|
|
case 'f':
|
|
r=old_dos_size_to_geom(atoi(optarg),
|
|
&argtracks, &argheads,
|
|
&argsectors);
|
|
if(r) {
|
|
fprintf(stderr,
|
|
"Bad size %s\n", optarg);
|
|
exit(1);
|
|
}
|
|
break;
|
|
case 't':
|
|
argtracks = atoi(optarg);
|
|
break;
|
|
|
|
case 'n': /*non-standard*/
|
|
case 's':
|
|
argsectors = atoi(optarg);
|
|
break;
|
|
|
|
case 'l': /* non-standard */
|
|
case 'v':
|
|
strncpy(label, optarg, VBUFSIZE-1);
|
|
label[VBUFSIZE-1] = '\0';
|
|
break;
|
|
|
|
/* flags supported by Dos but not mtools */
|
|
case 'q':
|
|
case 'u':
|
|
case 'b':
|
|
/*case 's': leave this for compatibility */
|
|
fprintf(stderr,
|
|
"Flag %c not supported by mtools\n",c);
|
|
exit(1);
|
|
|
|
|
|
|
|
/* flags added by mtools */
|
|
case 'F':
|
|
fat32 = 1;
|
|
break;
|
|
|
|
|
|
case 'S':
|
|
argssize = atoi(optarg) | 0x80;
|
|
if(argssize < 0x81)
|
|
usage();
|
|
break;
|
|
|
|
#ifdef USE_XDF
|
|
case 'X':
|
|
format_xdf = 1;
|
|
break;
|
|
#endif
|
|
|
|
case '2':
|
|
arguse_2m = 0xff;
|
|
sectors0 = atoi(optarg);
|
|
break;
|
|
case '3':
|
|
arguse_2m = 0x80;
|
|
break;
|
|
|
|
case '0': /* rate on track 0 */
|
|
rate_0 = atoi(optarg);
|
|
break;
|
|
case 'A': /* rate on other tracks */
|
|
rate_any = atoi(optarg);
|
|
break;
|
|
|
|
case 'M':
|
|
msize = atoi(optarg);
|
|
if (msize % 256 || msize > 8192 )
|
|
usage();
|
|
break;
|
|
|
|
case 'N':
|
|
serial = strtoul(optarg,0,16);
|
|
serial_set = 1;
|
|
break;
|
|
case 'a': /* Atari style serial number */
|
|
Atari = 1;
|
|
break;
|
|
|
|
case 'C':
|
|
create = O_CREAT;
|
|
break;
|
|
|
|
case 'H':
|
|
hs = atoi(optarg);
|
|
hs_set = 1;
|
|
break;
|
|
|
|
case 'I':
|
|
fsVersion = strtoul(optarg,0,0);
|
|
break;
|
|
|
|
case 'c':
|
|
Fs.cluster_size = atoi(optarg);
|
|
break;
|
|
|
|
case 'r':
|
|
Fs.dir_len = strtoul(optarg,0,0);
|
|
break;
|
|
case 'L':
|
|
Fs.fat_len = strtoul(optarg,0,0);
|
|
break;
|
|
|
|
|
|
case 'B':
|
|
bootSector = optarg;
|
|
break;
|
|
case 'k':
|
|
keepBoot = 1;
|
|
break;
|
|
case 'h':
|
|
argheads = atoi(optarg);
|
|
break;
|
|
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
|
|
if (argc - optind != 1 ||
|
|
skip_drive(argv[optind]) == argv[optind])
|
|
usage();
|
|
|
|
#ifdef USE_XDF
|
|
if(create && format_xdf) {
|
|
fprintf(stderr,"Create and XDF can't be used together\n");
|
|
exit(1);
|
|
}
|
|
#endif
|
|
|
|
drive = get_drive(argv[argc -1], NULL);
|
|
|
|
#ifdef OS_Minix
|
|
devname = safe_malloc((9 + strlen(drive)) * sizeof(devname[0]));
|
|
strcpy(devname, "/dev/dosX");
|
|
if (isupper(drive[0]) && drive[1] == 0) {
|
|
/* single letter device name, use /dev/dos$drive */
|
|
devname[8]= drive[0];
|
|
} else
|
|
if (strchr(drive, '/') == NULL) {
|
|
/* a simple name, use /dev/$drive */
|
|
strcpy(devname+5, drive);
|
|
} else {
|
|
/* a pathname, use as is. */
|
|
strcpy(devname, drive);
|
|
}
|
|
if (stat(devname, &stbuf) != -1) {
|
|
memset(onedevice, 0, sizeof(onedevice));
|
|
onedevice[0].name = devname;
|
|
onedevice[0].drive = drive;
|
|
onedevice[1].name = NULL;
|
|
onedevice[1].drive = NULL;
|
|
dev = onedevice;
|
|
} else {
|
|
dev = devices;
|
|
}
|
|
#else
|
|
dev = devices;
|
|
#endif
|
|
|
|
/* check out a drive whose letter and parameters match */
|
|
sprintf(errmsg, "Drive '%s:' not supported", drive);
|
|
Fs.Direct = NULL;
|
|
blocksize = 0;
|
|
for(;dev->drive;dev++) {
|
|
FREE(&(Fs.Direct));
|
|
/* drive name */
|
|
if (strcmp(dev->drive, drive) != 0)
|
|
continue;
|
|
used_dev = *dev;
|
|
|
|
SET_INT(used_dev.tracks, argtracks);
|
|
SET_INT(used_dev.heads, argheads);
|
|
SET_INT(used_dev.sectors, argsectors);
|
|
SET_INT(used_dev.use_2m, arguse_2m);
|
|
SET_INT(used_dev.ssize, argssize);
|
|
if(hs_set)
|
|
used_dev.hidden = hs;
|
|
|
|
expand(dev->name, name);
|
|
#ifdef USING_NEW_VOLD
|
|
strcpy(name, getVoldName(dev, name));
|
|
#endif
|
|
|
|
#ifdef USE_XDF
|
|
if(!format_xdf) {
|
|
#endif
|
|
Fs.Direct = 0;
|
|
#ifdef USE_FLOPPYD
|
|
Fs.Direct = FloppydOpen(&used_dev, dev, name, O_RDWR | create,
|
|
errmsg, 0, 1);
|
|
if(Fs.Direct) {
|
|
maxSize = max_off_t_31;
|
|
}
|
|
#endif
|
|
if(!Fs.Direct) {
|
|
Fs.Direct = SimpleFileOpen(&used_dev, dev, name,
|
|
O_RDWR | create,
|
|
errmsg, 0, 1, &maxSize);
|
|
}
|
|
#ifdef USE_XDF
|
|
} else {
|
|
used_dev.misc_flags |= USE_XDF_FLAG;
|
|
Fs.Direct = XdfOpen(&used_dev, name, O_RDWR,
|
|
errmsg, &info);
|
|
if(Fs.Direct && !Fs.fat_len)
|
|
Fs.fat_len = info.FatSize;
|
|
if(Fs.Direct && !Fs.dir_len)
|
|
Fs.dir_len = info.RootDirSize;
|
|
}
|
|
#endif
|
|
|
|
if (!Fs.Direct)
|
|
continue;
|
|
|
|
#ifdef OS_linux
|
|
if ((!used_dev.tracks || !used_dev.heads || !used_dev.sectors) &&
|
|
(!IS_SCSI(dev))) {
|
|
int fd= get_fd(Fs.Direct);
|
|
struct stat buf;
|
|
|
|
if (fstat(fd, &buf) < 0) {
|
|
sprintf(errmsg, "Could not stat file (%s)", strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
if (S_ISBLK(buf.st_mode)) {
|
|
struct hd_geometry geom;
|
|
long size;
|
|
int sect_per_track;
|
|
|
|
if (ioctl(fd, HDIO_GETGEO, &geom) < 0) {
|
|
sprintf(errmsg, "Could not get geometry of device (%s)",
|
|
strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
if (ioctl(fd, BLKGETSIZE, &size) < 0) {
|
|
sprintf(errmsg, "Could not get size of device (%s)",
|
|
strerror(errno));
|
|
continue;
|
|
}
|
|
|
|
sect_per_track = geom.heads * geom.sectors;
|
|
used_dev.heads = geom.heads;
|
|
used_dev.sectors = geom.sectors;
|
|
used_dev.hidden = geom.start % sect_per_track;
|
|
used_dev.tracks = (size + used_dev.hidden) / sect_per_track;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* no way to find out geometry */
|
|
if (!used_dev.tracks || !used_dev.heads || !used_dev.sectors){
|
|
sprintf(errmsg,
|
|
"Unknown geometry "
|
|
"(You must tell the complete geometry "
|
|
"of the disk, \neither in /etc/mtools.conf or "
|
|
"on the command line) ");
|
|
continue;
|
|
}
|
|
|
|
#if 0
|
|
/* set parameters, if needed */
|
|
if(SET_GEOM(Fs.Direct, &used_dev, 0xf0, boot)){
|
|
sprintf(errmsg,"Can't set disk parameters: %s",
|
|
strerror(errno));
|
|
continue;
|
|
}
|
|
#endif
|
|
Fs.sector_size = 512;
|
|
if( !(used_dev.use_2m & 0x7f)) {
|
|
Fs.sector_size = 128 << (used_dev.ssize & 0x7f);
|
|
}
|
|
|
|
SET_INT(Fs.sector_size, msize);
|
|
{
|
|
int i;
|
|
for(i = 0; i < 31; i++) {
|
|
if (Fs.sector_size == 1 << i) {
|
|
Fs.sectorShift = i;
|
|
break;
|
|
}
|
|
}
|
|
Fs.sectorMask = Fs.sector_size - 1;
|
|
}
|
|
|
|
if(!used_dev.blocksize || used_dev.blocksize < Fs.sector_size)
|
|
blocksize = Fs.sector_size;
|
|
else
|
|
blocksize = used_dev.blocksize;
|
|
|
|
if(blocksize > MAX_SECTOR)
|
|
blocksize = MAX_SECTOR;
|
|
|
|
/* do a "test" read */
|
|
if (!create &&
|
|
READS(Fs.Direct, (char *) buf, 0, Fs.sector_size) !=
|
|
Fs.sector_size) {
|
|
sprintf(errmsg,
|
|
"Error reading from '%s', wrong parameters?",
|
|
name);
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
|
|
/* print error msg if needed */
|
|
if ( dev->drive == 0 ){
|
|
FREE(&Fs.Direct);
|
|
fprintf(stderr,"%s: %s\n", argv[0],errmsg);
|
|
exit(1);
|
|
}
|
|
|
|
/* the boot sector */
|
|
boot = (struct bootsector *) buf;
|
|
if(bootSector) {
|
|
int fd;
|
|
|
|
fd = open(bootSector, O_RDONLY);
|
|
if(fd < 0) {
|
|
perror("open boot sector");
|
|
exit(1);
|
|
}
|
|
read(fd, buf, blocksize);
|
|
keepBoot = 1;
|
|
}
|
|
if(!keepBoot) {
|
|
memset((char *)boot, '\0', Fs.sector_size);
|
|
if(Fs.sector_size == 512 && !used_dev.partition) {
|
|
/* install fake partition table pointing to itself */
|
|
struct partition *partTable=(struct partition *)
|
|
(((char*) boot) + 0x1ae);
|
|
setBeginEnd(&partTable[1], 0,
|
|
used_dev.heads * used_dev.sectors * used_dev.tracks,
|
|
used_dev.heads, used_dev.sectors, 1, 0);
|
|
}
|
|
}
|
|
set_dword(boot->nhs, used_dev.hidden);
|
|
|
|
Fs.Next = buf_init(Fs.Direct,
|
|
blocksize * used_dev.heads * used_dev.sectors,
|
|
blocksize * used_dev.heads * used_dev.sectors,
|
|
blocksize);
|
|
Fs.Buffer = 0;
|
|
|
|
boot->nfat = Fs.num_fat = 2;
|
|
if(!keepBoot)
|
|
set_word(boot->jump + 510, 0xaa55);
|
|
|
|
/* get the parameters */
|
|
tot_sectors = used_dev.tracks * used_dev.heads * used_dev.sectors -
|
|
DWORD(nhs);
|
|
|
|
set_word(boot->nsect, dev->sectors);
|
|
set_word(boot->nheads, dev->heads);
|
|
|
|
dev->fat_bits = comp_fat_bits(&Fs,dev->fat_bits, tot_sectors, fat32);
|
|
|
|
if(dev->fat_bits == 32) {
|
|
Fs.primaryFat = 0;
|
|
Fs.writeAllFats = 1;
|
|
Fs.fat_start = 32;
|
|
calc_fs_parameters_32(tot_sectors, &Fs, boot);
|
|
|
|
Fs.clus_start = Fs.num_fat * Fs.fat_len + Fs.fat_start;
|
|
|
|
/* extension flags: mirror fats, and use #0 as primary */
|
|
set_word(boot->ext.fat32.extFlags,0);
|
|
|
|
/* fs version. What should go here? */
|
|
set_word(boot->ext.fat32.fsVersion,fsVersion);
|
|
|
|
/* root directory */
|
|
set_dword(boot->ext.fat32.rootCluster, Fs.rootCluster = 2);
|
|
|
|
/* info sector */
|
|
set_word(boot->ext.fat32.infoSector, Fs.infoSectorLoc = 1);
|
|
Fs.infoSectorLoc = 1;
|
|
|
|
/* no backup boot sector */
|
|
set_word(boot->ext.fat32.backupBoot, 6);
|
|
|
|
labelBlock = & boot->ext.fat32.labelBlock;
|
|
} else {
|
|
Fs.infoSectorLoc = 0;
|
|
Fs.fat_start = 1;
|
|
calc_fs_parameters(&used_dev, tot_sectors, &Fs, boot);
|
|
Fs.dir_start = Fs.num_fat * Fs.fat_len + Fs.fat_start;
|
|
Fs.clus_start = Fs.dir_start + Fs.dir_len;
|
|
labelBlock = & boot->ext.old.labelBlock;
|
|
|
|
}
|
|
|
|
if (!keepBoot)
|
|
/* only zero out physdrive if we don't have a template
|
|
* bootsector */
|
|
labelBlock->physdrive = 0x00;
|
|
labelBlock->reserved = 0;
|
|
labelBlock->dos4 = 0x29;
|
|
|
|
if (!serial_set || Atari)
|
|
srandom((long)time (0));
|
|
if (!serial_set)
|
|
serial=random();
|
|
set_dword(labelBlock->serial, serial);
|
|
if(!label[0])
|
|
strncpy(shortlabel, "NO NAME ",11);
|
|
else
|
|
label_name(label, 0, &mangled, shortlabel);
|
|
strncpy(labelBlock->label, shortlabel, 11);
|
|
sprintf(labelBlock->fat_type, "FAT%2.2d ", Fs.fat_bits);
|
|
labelBlock->fat_type[7] = ' ';
|
|
|
|
set_word(boot->secsiz, Fs.sector_size);
|
|
boot->clsiz = (unsigned char) Fs.cluster_size;
|
|
set_word(boot->nrsvsect, Fs.fat_start);
|
|
|
|
bootOffset = init_geometry_boot(boot, &used_dev, sectors0,
|
|
rate_0, rate_any,
|
|
&tot_sectors, keepBoot);
|
|
if(!bootOffset) {
|
|
bootOffset = ((char *) labelBlock) - ((char *) boot) +
|
|
sizeof(struct label_blk_t);
|
|
}
|
|
if(Atari) {
|
|
boot->banner[4] = 0;
|
|
boot->banner[5] = random();
|
|
boot->banner[6] = random();
|
|
boot->banner[7] = random();
|
|
}
|
|
|
|
if (create) {
|
|
WRITES(Fs.Direct, (char *) buf,
|
|
sectorsToBytes((Stream_t*)&Fs, tot_sectors-1),
|
|
Fs.sector_size);
|
|
}
|
|
|
|
if(!keepBoot)
|
|
inst_boot_prg(boot, bootOffset);
|
|
if(dev->use_2m & 0x7f)
|
|
Fs.num_fat = 1;
|
|
Fs.lastFatSectorNr = 0;
|
|
Fs.lastFatSectorData = 0;
|
|
zero_fat(&Fs, boot->descr);
|
|
Fs.freeSpace = Fs.num_clus;
|
|
Fs.last = 2;
|
|
|
|
#ifdef USE_XDF
|
|
if(format_xdf)
|
|
for(i=0;
|
|
i < (info.BadSectors+Fs.cluster_size-1)/Fs.cluster_size;
|
|
i++)
|
|
fatEncode(&Fs, i+2, 0xfff7);
|
|
#endif
|
|
|
|
format_root(&Fs, label, boot);
|
|
WRITES((Stream_t *)&Fs, (char *) boot, (mt_off_t) 0, Fs.sector_size);
|
|
if(Fs.fat_bits == 32 && WORD(ext.fat32.backupBoot) != MAX32) {
|
|
WRITES((Stream_t *)&Fs, (char *) boot,
|
|
sectorsToBytes((Stream_t*)&Fs, WORD(ext.fat32.backupBoot)),
|
|
Fs.sector_size);
|
|
}
|
|
FLUSH((Stream_t *)&Fs); /* flushes Fs.
|
|
* This triggers the writing of the FAT */
|
|
FREE(&Fs.Next);
|
|
Fs.Class->freeFunc((Stream_t *)&Fs);
|
|
#ifdef USE_XDF
|
|
if(format_xdf && isatty(0) && !getenv("MTOOLS_USE_XDF"))
|
|
fprintf(stderr,
|
|
"Note:\n"
|
|
"Remember to set the \"MTOOLS_USE_XDF\" environmental\n"
|
|
"variable before accessing this disk\n\n"
|
|
"Bourne shell syntax (sh, ash, bash, ksh, zsh etc):\n"
|
|
" export MTOOLS_USE_XDF=1\n\n"
|
|
"C shell syntax (csh and tcsh):\n"
|
|
" setenv MTOOLS_USE_XDF 1\n" );
|
|
#endif
|
|
exit(0);
|
|
}
|