1 /* 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@login.dkuug.dk> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $Id: fdwrite.c,v 1.6 1997/02/22 16:05:49 peter Exp $ 10 * 11 */ 12 13 #include <ctype.h> 14 #include <err.h> 15 #include <fcntl.h> 16 #include <stdio.h> 17 #include <stdlib.h> 18 #include <strings.h> 19 #include <unistd.h> 20 21 #include <machine/ioctl_fd.h> 22 23 int 24 format_track(int fd, int cyl, int secs, int head, int rate, 25 int gaplen, int secsize, int fill,int interleave) 26 { 27 struct fd_formb f; 28 register int i,j; 29 int il[100]; 30 31 memset(il,0,sizeof il); 32 for(j = 0, i = 1; i <= secs; i++) { 33 while(il[(j%secs)+1]) j++; 34 il[(j%secs)+1] = i; 35 j += interleave; 36 } 37 38 f.format_version = FD_FORMAT_VERSION; 39 f.head = head; 40 f.cyl = cyl; 41 f.transfer_rate = rate; 42 43 f.fd_formb_secshift = secsize; 44 f.fd_formb_nsecs = secs; 45 f.fd_formb_gaplen = gaplen; 46 f.fd_formb_fillbyte = fill; 47 for(i = 0; i < secs; i++) { 48 f.fd_formb_cylno(i) = cyl; 49 f.fd_formb_headno(i) = head; 50 f.fd_formb_secno(i) = il[i+1]; 51 f.fd_formb_secsize(i) = secsize; 52 } 53 return ioctl(fd, FD_FORM, (caddr_t)&f); 54 } 55 56 static void 57 usage() 58 { 59 fprintf(stderr, "usage: fdwrite [-v] [-y] [-f inputfile] [-d device]\n"); 60 exit(2); 61 } 62 63 int 64 main(int argc, char **argv) 65 { 66 int inputfd = -1, c, fdn = 0, i,j,fd; 67 int bpt, verbose=1, nbytes=0, track; 68 int interactive = 1; 69 char *device= "/dev/rfd0", *trackbuf = 0,*vrfybuf = 0; 70 struct fd_type fdt; 71 FILE *tty; 72 73 setbuf(stdout,0); 74 while((c = getopt(argc, argv, "d:f:vy")) != -1) 75 switch(c) { 76 case 'd': /* Which drive */ 77 device = optarg; 78 break; 79 80 case 'f': /* input file */ 81 if (inputfd >= 0) 82 close(inputfd); 83 inputfd = open(optarg,O_RDONLY); 84 if (inputfd < 0) 85 err(1, "%s", optarg); 86 break; 87 88 case 'v': /* Toggle verbosity */ 89 verbose = !verbose; 90 break; 91 92 case 'y': /* Don't confirm? */ 93 interactive = 0; 94 break; 95 96 case '?': default: 97 usage(); 98 } 99 100 if (inputfd < 0) 101 inputfd = 0; 102 103 if (!isatty(1)) 104 interactive = 0; 105 106 if(optind < argc) 107 usage(); 108 109 tty = fopen("/dev/tty","r+"); 110 if(!tty) 111 err(1, "/dev/tty"); 112 setbuf(tty,0); 113 114 for(j=1;j > 0;) { 115 fdn++; 116 if (interactive) { 117 fprintf(tty, 118 "Please insert floppy #%d in drive %s and press return >", 119 fdn,device); 120 while(1) { 121 i = getc(tty); 122 if(i == '\n') break; 123 } 124 } 125 126 if((fd = open(device, O_RDWR)) < 0) 127 err(1, "%s", device); 128 129 if(ioctl(fd, FD_GTYPE, &fdt) < 0) 130 errx(1, "not a floppy disk: %s", device); 131 132 bpt = fdt.sectrac * (1<<fdt.secsize) * 128; 133 if(!trackbuf) { 134 trackbuf = malloc(bpt); 135 if(!trackbuf) errx(1, "malloc"); 136 } 137 if(!vrfybuf) { 138 vrfybuf = malloc(bpt); 139 if(!vrfybuf) errx(1, "malloc"); 140 } 141 142 if(fdn == 1) { 143 if(verbose) { 144 printf("Format: %d cylinders, %d heads, %d sectors, %d bytes = %dkb\n", 145 fdt.tracks,fdt.heads,fdt.sectrac,(1<<fdt.secsize) * 128, 146 fdt.tracks*bpt*fdt.heads/1024); 147 148 } 149 memset(trackbuf,0,bpt); 150 for(j=0;inputfd >= 0 && j<bpt;j+=i) { 151 if(!(i = read(inputfd,trackbuf+j,bpt-j))) { 152 close(inputfd); 153 inputfd = -1; 154 break; 155 } 156 nbytes += i; 157 } 158 } 159 for (track = 0; track < fdt.tracks * fdt.heads; track++) { 160 if(verbose) printf("\r%3d ",fdt.tracks * fdt.heads-track); 161 if(verbose) putc((j ? 'I':'Z'),stdout); 162 format_track(fd, track / fdt.heads, fdt.sectrac, track % fdt.heads, 163 fdt.trans, fdt.f_gap, fdt.secsize, 0xe6, 164 fdt.f_inter); 165 if(verbose) putc('F',stdout); 166 167 if (lseek (fd, (long) track*bpt, 0) < 0) err(1, "lseek"); 168 if (write (fd, trackbuf, bpt) != bpt) err(1, "write"); 169 if(verbose) putc('W',stdout); 170 171 if (lseek (fd, (long) track*bpt, 0) < 0) err(1, "lseek"); 172 if (read (fd, vrfybuf, bpt) != bpt) err(1, "read"); 173 if(verbose) putc('R',stdout); 174 175 if (memcmp(trackbuf,vrfybuf,bpt)) err(1, "compare"); 176 if(verbose) putc('C',stdout); 177 178 memset(trackbuf,0,bpt); 179 for(j=0;inputfd >= 0 && j<bpt;j+=i) { 180 if(!(i = read(inputfd,trackbuf+j,bpt-j))) { 181 close(inputfd); 182 inputfd = -1; 183 break; 184 } 185 nbytes += i; 186 } 187 } 188 close(fd); 189 putc('\r',stdout); 190 } 191 if(verbose) 192 printf("%d bytes on %d flopp%s\n",nbytes,fdn,fdn==1?"y":"ies"); 193 exit(0); 194 } 195