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- add fix to get v2os to boot : preserve eax top 16bits on int1A function B101 call

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This commit is contained in:
Christophe Bothamy 2003-11-15 00:00:37 +00:00
parent 31fcbd1bad
commit 0276bfdef7
1 changed files with 7 additions and 7 deletions
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14
bochs/bios/rombios.c
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: rombios.c,v 1.99 2003-11-02 12:39:54 vruppert Exp $
// $Id: rombios.c,v 1.100 2003-11-15 00:00:37 cbothamy Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -928,10 +928,10 @@ Bit16u cdrom_boot();
#endif // BX_ELTORITO_BOOT
static char bios_cvs_version_string[] = "$Revision: 1.99 $";
static char bios_date_string[] = "$Date: 2003-11-02 12:39:54 $";
static char bios_cvs_version_string[] = "$Revision: 1.100 $";
static char bios_date_string[] = "$Date: 2003-11-15 00:00:37 $";
static char CVSID[] = "$Id: rombios.c,v 1.99 2003-11-02 12:39:54 vruppert Exp $";
static char CVSID[] = "$Id: rombios.c,v 1.100 2003-11-15 00:00:37 cbothamy Exp $";
/* Offset to skip the CVS $Id: prefix */
#define bios_version_string (CVSID + 4)
@ -8464,7 +8464,7 @@ pci_pro_select_reg:
use16 386
pcibios_real:
push ax
push eax
push dx
mov eax, #0x80000000
mov dx, #0x0cf8
@ -8474,13 +8474,13 @@ pcibios_real:
cmp eax, #0x12378086
je pci_present
pop dx
pop ax
pop eax
mov ah, #0xff
stc
ret
pci_present:
pop dx
pop ax
pop eax
cmp al, #0x01 ;; installation check
jne pci_real_f02
mov ax, #0x0001