Changeset 49331 in vbox for trunk/src/VBox/Devices/PC/BIOS

Timestamp:

Oct 30, 2013 9:57:11 AM (11 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

90318

Message:

BIOS: Seek before formatting a track.

File:

• trunk/src/VBox/Devices/PC/BIOS/floppy.c (modified) (1 diff)

trunk/src/VBox/Devices/PC/BIOS/floppy.c

@@ -907 +907 @@
         floppy_prepare_controller(drive);
 
+        // send seek command to controller
+        outb(0x03f5, 0x0f); // 0f: seek
+        outb(0x03f5, (head << 2) | drive); // HD DR1 DR2
+        outb(0x03f5, track);
+
         // send format-track command (6 bytes) to controller
         outb(0x03f5, 0x4d); // 4d: format track