diff options
| author | kato <kato@FreeBSD.org> | 1999-03-04 16:38:12 +0000 |
|---|---|---|
| committer | kato <kato@FreeBSD.org> | 1999-03-04 16:38:12 +0000 |
| commit | f14d10621ff9cf650f3ece66fe29e29a0102da0d (patch) | |
| tree | 297ec77db8f64d6524b0f8d9a1d4389177d89056 /sys/boot | |
| parent | 6edc8e81493424513d9751d9bfd46572fc9c2fae (diff) | |
| download | FreeBSD-src-f14d10621ff9cf650f3ece66fe29e29a0102da0d.zip FreeBSD-src-f14d10621ff9cf650f3ece66fe29e29a0102da0d.tar.gz | |
Make loader be able to load 1.2MB fd on machines w/ 1.44MB fdd.
Sumbmitted by: IMAI Takeshi <take-i@ceres.dti.ne.jp>
Diffstat (limited to 'sys/boot')
| -rw-r--r-- | sys/boot/pc98/libpc98/biosdisk.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/boot/pc98/libpc98/biosdisk.c b/sys/boot/pc98/libpc98/biosdisk.c index 453c0b4..3fa04c3 100644 --- a/sys/boot/pc98/libpc98/biosdisk.c +++ b/sys/boot/pc98/libpc98/biosdisk.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: biosdisk.c,v 1.1 1999/02/03 08:39:09 kato Exp $ + * $Id: biosdisk.c,v 1.2 1999/03/04 10:48:14 kato Exp $ */ /* @@ -182,9 +182,12 @@ bd_init(void) if (bdinfo[nbdinfo].bd_flags & BD_FLOPPY){ bdinfo[nbdinfo].bd_drive = 'A' + (unit & 0xf); - if (*(u_char *)PTOV(0x5AE) & (1<<(unit & 0xf))) - /* available 1.44MB access */ - bdinfo[nbdinfo].bd_unit = 0x30 + (unit & 0xf); + /* available 1.44MB access? */ + if (*(u_char *)PTOV(0xA15AE) & (1<<(unit & 0xf))){ + /* boot media 1.2MB FD? */ + if ((*(u_char *)PTOV(0xA1584) & 0xf0) != 0x90) + bdinfo[nbdinfo].bd_unit = 0x30 + (unit & 0xf); + } } else bdinfo[nbdinfo].bd_drive = 'C' + hd_drive++; |
