diff options
| -rw-r--r-- | include/applets.h | 3 | ||||
| -rw-r--r-- | include/usage.h | 7 | ||||
| -rw-r--r-- | util-linux/Config.in | 6 | ||||
| -rw-r--r-- | util-linux/Makefile.in | 1 | ||||
| -rw-r--r-- | util-linux/fdformat.c | 158 |
5 files changed, 175 insertions, 0 deletions
diff --git a/include/applets.h b/include/applets.h index cfb278123..5fe01de5f 100644 --- a/include/applets.h +++ b/include/applets.h @@ -193,6 +193,9 @@ #ifdef CONFIG_FDFLUSH APPLET(fdflush, fdflush_main, _BB_DIR_BIN, _BB_SUID_NEVER) #endif +#ifdef CONFIG_FDFORMAT + APPLET(fdformat, fdformat_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) +#endif #ifdef CONFIG_FDISK APPLET(fdisk, fdisk_main, _BB_DIR_SBIN, _BB_SUID_NEVER) #endif diff --git a/include/usage.h b/include/usage.h index a570d3519..14f2e2859 100644 --- a/include/usage.h +++ b/include/usage.h @@ -571,6 +571,13 @@ #define fdflush_full_usage \ "Forces floppy disk drive to detect disk change" +#define fdformat_trivial_usage \ + "[-n] DEVICE" +#define fdformat_full_usage \ + "Low-level formats a floppy disk\n\n" \ + "Options:\n" \ + "\t-n\tDon't verify after format" + #define fdisk_trivial_usage \ "[-l] [-v] [-b SSZ] [-u] DISK" #define fdisk_full_usage \ diff --git a/util-linux/Config.in b/util-linux/Config.in index d2e827213..ae17fe31b 100644 --- a/util-linux/Config.in +++ b/util-linux/Config.in @@ -59,6 +59,12 @@ config CONFIG_FDFLUSH you change a disk. Most people have working hardware and can safely say leave this disabled. +config CONFIG_FDFORMAT + bool "fdformat" + default n + help + Fdformat is used to low-level format a floppy disk. + config CONFIG_FDISK bool "fdisk" default n diff --git a/util-linux/Makefile.in b/util-linux/Makefile.in index 4e1871425..28757a336 100644 --- a/util-linux/Makefile.in +++ b/util-linux/Makefile.in @@ -26,6 +26,7 @@ UTILLINUX-:= UTILLINUX-$(CONFIG_DMESG) += dmesg.o UTILLINUX-$(CONFIG_FBSET) += fbset.o UTILLINUX-$(CONFIG_FDFLUSH) += fdflush.o +UTILLINUX-$(CONFIG_FDFORMAT) += fdformat.o UTILLINUX-$(CONFIG_FDISK) += fdisk.o UTILLINUX-$(CONFIG_FREERAMDISK) += freeramdisk.o UTILLINUX-$(CONFIG_FSCK_MINIX) += fsck_minix.o diff --git a/util-linux/fdformat.c b/util-linux/fdformat.c new file mode 100644 index 000000000..5b926467f --- /dev/null +++ b/util-linux/fdformat.c @@ -0,0 +1,158 @@ +/* fdformat.c - Low-level formats a floppy disk - Werner Almesberger */ + +/* 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@pld.ORG.PL> + * - added Native Language Support + * 1999-03-20 Arnaldo Carvalho de Melo <acme@conectiva.com.br> + * - more i18n/nls translatable strings marked + * + * 5 July 2003 -- modified for Busybox by Erik Andersen + */ + +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <errno.h> +#include <unistd.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include "busybox.h" + + +/* Stuff extracted from linux/fd.h */ +struct floppy_struct { + unsigned int size, /* nr of sectors total */ + sect, /* sectors per track */ + head, /* nr of heads */ + track, /* nr of tracks */ + stretch; /* !=0 means double track steps */ +#define FD_STRETCH 1 +#define FD_SWAPSIDES 2 + + unsigned char gap, /* gap1 size */ + + rate, /* data rate. |= 0x40 for perpendicular */ +#define FD_2M 0x4 +#define FD_SIZECODEMASK 0x38 +#define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8) +#define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \ + 512 : 128 << FD_SIZECODE(floppy) ) +#define FD_PERP 0x40 + + spec1, /* stepping rate, head unload time */ + fmt_gap; /* gap2 size */ + const char * name; /* used only for predefined formats */ +}; +struct format_descr { + unsigned int device,head,track; +}; +#define FDFMTBEG _IO(2,0x47) +#define FDFMTTRK _IOW(2,0x48, struct format_descr) +#define FDFMTEND _IO(2,0x49) +#define FDGETPRM _IOR(2, 0x04, struct floppy_struct) +#define FD_FILL_BYTE 0xF6 /* format fill byte. */ + + + +static void format_disk(int ctrl, char *name, struct floppy_struct *param) +{ + struct format_descr descr; + int track; + + printf("Formatting ... "); + fflush(stdout); + if (ioctl(ctrl,FDFMTBEG,NULL) < 0) { + bb_perror_msg_and_die("FDFMTBEG"); + } + for (track = 0; track < param->track; track++) + { + descr.track = track; + descr.head = 0; + if (ioctl(ctrl,FDFMTTRK,(long) &descr) < 0) { + bb_perror_msg_and_die("FDFMTTRK"); + } + + printf("%3d\b\b\b",track); + fflush(stdout); + if (param->head == 2) { + descr.head = 1; + if (ioctl(ctrl,FDFMTTRK,(long) &descr) < 0) { + bb_perror_msg_and_die("FDFMTTRK"); + } + } + } + if (ioctl(ctrl,FDFMTEND,NULL) < 0) { + bb_perror_msg_and_die("FDFMTEND"); + } + printf("done\n"); +} + +static void verify_disk(char *name, struct floppy_struct *param) +{ + unsigned char *data; + int fd,cyl_size,cyl,count,read_bytes; + + cyl_size = param->sect*param->head*512; + data = xmalloc(cyl_size); + printf("Verifying ... "); + fflush(stdout); + fd = bb_xopen(name,O_RDONLY); + for (cyl = 0; cyl < param->track; cyl++) + { + printf("%3d\b\b\b",cyl); + fflush(stdout); + read_bytes = safe_read(fd,data,cyl_size); + if(read_bytes != cyl_size) { + if(read_bytes < 0) { + bb_perror_msg("Read: "); + } + bb_error_msg_and_die("Problem reading cylinder %d, " + "expected %d, read %d", cyl, cyl_size, read_bytes); + } + for (count = 0; count < cyl_size; count++) + if (data[count] != FD_FILL_BYTE) { + printf("bad data in cyl %d\nContinuing ... ",cyl); + fflush(stdout); + break; + } + } + printf("done\n"); + close(fd); +} + +int fdformat_main(int argc,char **argv) +{ + int ctrl; + int verify; + struct stat st; + struct floppy_struct param; + + if (argc < 2) { + bb_show_usage(); + } + verify != bb_getopt_ulflags(argc, argv, "n"); + argv += optind; + + if (stat(*argv,&st) < 0 || access(*argv,W_OK) < 0) { + bb_perror_msg_and_die(*argv); + } + if (!S_ISBLK(st.st_mode)) { + bb_error_msg_and_die("%s: not a block device",*argv); + /* do not test major - perhaps this was an USB floppy */ + } + + ctrl = bb_xopen(*argv,O_WRONLY); + if (ioctl(ctrl,FDGETPRM,(long) ¶m) < 0) { + bb_perror_msg_and_die("Could not determine current format type"); + } + printf("%s-sided, %d tracks, %d sec/track. Total capacity %d kB.\n", + (param.head == 2) ? "Double" : "Single", + param.track, param.sect,param.size >> 1); + format_disk(ctrl, *argv, ¶m); + close(ctrl); + + if (verify) { + verify_disk(*argv, ¶m); + } + return EXIT_SUCCESS; +} |