From 8b3e5450cbe01cc720c446faab2e5da36a4148df Mon Sep 17 00:00:00 2001
From: andersen <andersen@69ca8d6d-28ef-0310-b511-8ec308f3f277>
Date: Sat, 5 Jul 2003 07:51:31 +0000
Subject: Add the fdformat utility, based on a patch from Kent Robotti, but I
then completely reworked the fdformat utility to comply with the current
busybox way of doing things.
git-svn-id: svn://busybox.net/trunk/busybox@7037 69ca8d6d-28ef-0310-b511-8ec308f3f277
---
include/applets.h | 3 +
include/usage.h | 7 +++
util-linux/Config.in | 6 ++
util-linux/Makefile.in | 1 +
util-linux/fdformat.c | 158 +++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 175 insertions(+)
create mode 100644 util-linux/fdformat.c
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;
+}
--
cgit v1.2.3-55-g6feb