Add popular 720k floppy in HD drive floppy type.

[unix-history] / sys / i386 / isa / fd.c

diff --git a/sys/i386/isa/fd.c b/sys/i386/isa/fd.c
index 814ae09..794e4a3 100644 (file)
--- a/sys/i386/isa/fd.c
+++ b/sys/i386/isa/fd.c
@@ -35,7 +35,7 @@
  * SUCH DAMAGE.
  *
  *     from:   @(#)fd.c        7.4 (Berkeley) 5/25/91
  * SUCH DAMAGE.
  *
  *     from:   @(#)fd.c        7.4 (Berkeley) 5/25/91

- *     $Id: fd.c,v 1.8 1993/12/03 05:01:40 alm Exp $
+ *     $Id: fd.c,v 1.9 1993/12/04 16:13:18 ats Exp $

  *
  */
 
  *
  */
 


@@ -66,7 +66,7 @@
 
 #define b_cylin b_resid
 #define FDBLK 512
 
 #define b_cylin b_resid
 #define FDBLK 512

-#define NUMTYPES 4
+#define NUMTYPES 5

 
 struct fd_type {
        int     sectrac;                /* sectors per track         */
 
 struct fd_type {
        int     sectrac;                /* sectors per track         */


@@ -84,6 +84,7 @@ struct fd_type fd_types[NUMTYPES] =
 {
        { 18,2,0xFF,0x1B,80,2880,1,0,2 }, /* 1.44 meg HD 3.5in floppy    */
        { 15,2,0xFF,0x1B,80,2400,1,0,2 }, /* 1.2 meg HD floppy           */
 {
        { 18,2,0xFF,0x1B,80,2880,1,0,2 }, /* 1.44 meg HD 3.5in floppy    */
        { 15,2,0xFF,0x1B,80,2400,1,0,2 }, /* 1.2 meg HD floppy           */

+       { 9,2,0xFF,0x20,80,1440,1,1,2 }, /* 720k floppy in HD drive     */

        { 9,2,0xFF,0x23,40,720,2,1,2 }, /* 360k floppy in 1.2meg drive */
        { 9,2,0xFF,0x2A,40,720,1,1,2 }, /* 360k floppy in DD drive     */
 };
        { 9,2,0xFF,0x23,40,720,2,1,2 }, /* 360k floppy in 1.2meg drive */
        { 9,2,0xFF,0x2A,40,720,1,1,2 }, /* 360k floppy in DD drive     */
 };


@@ -509,13 +510,13 @@ Fdopen(dev, flags)
        int     flags;
 {
        fdu_t fdu = FDUNIT(minor(dev));
        int     flags;
 {
        fdu_t fdu = FDUNIT(minor(dev));

-       /*int type = FDTYPE(minor(dev));*/
+       int type = FDTYPE(minor(dev));

        int s;
 
        /* check bounds */
        if (fdu >= NFD || fd_data[fdu].fdc == NULL
                || fd_data[fdu].type == NO_TYPE) return(ENXIO);
        int s;
 
        /* check bounds */
        if (fdu >= NFD || fd_data[fdu].fdc == NULL
                || fd_data[fdu].type == NO_TYPE) return(ENXIO);

-       /*if (type >= NUMTYPES) return(ENXIO);*/
+       if (type >= NUMTYPES) return(ENXIO);

        fd_data[fdu].flags |= FD_OPEN;
 
        return 0;
        fd_data[fdu].flags |= FD_OPEN;
 
        return 0;