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- identify_drive() returns max. 16383 cylinders (higher values are usually

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calculated using the total number of sectors, heads and sectors per track)
This commit is contained in:
Volker Ruppert 2006-12-18 17:56:05 +00:00
parent 8d8880fd71
commit f1799211ae
1 changed files with 7 additions and 3 deletions
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10
bochs/iodev/harddrv.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: harddrv.cc,v 1.190 2006-12-17 08:17:28 vruppert Exp $
// $Id: harddrv.cc,v 1.191 2006-12-18 17:56:05 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -147,7 +147,7 @@ void bx_hard_drive_c::init(void)
char ata_name[20];
bx_list_c *base;
BX_DEBUG(("Init $Id: harddrv.cc,v 1.190 2006-12-17 08:17:28 vruppert Exp $"));
BX_DEBUG(("Init $Id: harddrv.cc,v 1.191 2006-12-18 17:56:05 vruppert Exp $"));
for (channel=0; channel<BX_MAX_ATA_CHANNEL; channel++) {
sprintf(ata_name, "ata.%d.resources", channel);
@ -2888,7 +2888,11 @@ void bx_hard_drive_c::identify_drive(Bit8u channel)
// Word 1: number of user-addressable cylinders in
// default translation mode. If the value in words 60-61
// exceed 16,515,072, this word shall contain 16,383.
BX_SELECTED_DRIVE(channel).id_drive[1] = BX_SELECTED_DRIVE(channel).hard_drive->cylinders;
if (BX_SELECTED_DRIVE(channel).hard_drive->cylinders > 16383) {
BX_SELECTED_DRIVE(channel).id_drive[1] = 16383;
} else {
BX_SELECTED_DRIVE(channel).id_drive[1] = BX_SELECTED_DRIVE(channel).hard_drive->cylinders;
}
// Word 2: reserved
BX_SELECTED_DRIVE(channel).id_drive[2] = 0;