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- don't panic on int 0x13, AH=0x42 through 0x49. These are valid

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MS/IBM extensions but they aren't supported.  Return an error code instead.
This commit is contained in:
Bryce Denney 2001-10-05 23:58:45 +00:00
parent b70ae5ccf6
commit 7140fa7090
1 changed files with 12 additions and 4 deletions
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16
bochs/bios/rombios.c
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: rombios.c,v 1.17 2001-10-03 13:10:37 bdenney Exp $
// $Id: rombios.c,v 1.18 2001-10-05 23:58:45 bdenney Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
@ -271,7 +271,7 @@ static void keyboard_panic();
static void boot_failure_msg();
static void nmi_handler_msg();
static void print_bios_banner();
static char bios_version_string[] = "BIOS Version is $Id: rombios.c,v 1.17 2001-10-03 13:10:37 bdenney Exp $";
static char bios_version_string[] = "BIOS Version is $Id: rombios.c,v 1.18 2001-10-05 23:58:45 bdenney Exp $";
#define DEBUG_ROMBIOS 0
@ -2252,8 +2252,16 @@ printf("int13_f14\n");
case 0x18: /* */
case 0x41: // IBM/MS installation check
printf("int13_f18,41\n");
SET_AH(1); // unsupported
case 0x42: // IBM/MS extended read
case 0x43: // IBM/MS extended write
case 0x44: // IBM/MS verify sectors
case 0x45: // IBM/MS lock/unlock drive
case 0x46: // IBM/MS eject media
case 0x47: // IBM/MS extended seek
case 0x48: // IBM/MS get drive parameters
case 0x49: // IBM/MS extended media change
printf("int13_f18,41-49\n");
SET_AH(1); // code=invalid function in AH or invalid parameter
set_disk_ret_status(1);
SET_CF(); /* unsuccessful */
return;