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- INT 13h: sector number 0 is invalid

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This commit is contained in:
Volker Ruppert 2007-04-02 20:35:52 +00:00
parent bf489aea74
commit 9478cd9164
3 changed files with 8 additions and 8 deletions

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bochs/bios/BIOS-bochs-latest

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bochs/bios/BIOS-bochs-legacy

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bochs/bios/rombios.c

@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: rombios.c,v 1.177 2007-02-10 17:05:06 vruppert Exp $
// $Id: rombios.c,v 1.178 2007-04-02 20:35:08 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
@ -929,7 +929,7 @@ Bit16u cdrom_boot();
#endif // BX_ELTORITO_BOOT
static char bios_cvs_version_string[] = "$Revision: 1.177 $ $Date: 2007-02-10 17:05:06 $";
static char bios_cvs_version_string[] = "$Revision: 1.178 $ $Date: 2007-04-02 20:35:08 $";
#define BIOS_COPYRIGHT_STRING "(c) 2002 MandrakeSoft S.A. Written by Kevin Lawton & the Bochs team."
@ -4798,10 +4798,10 @@ int13_harddisk(EHAX, DS, ES, DI, SI, BP, ELDX, BX, DX, CX, AX, IP, CS, FLAGS)
segment = ES;
offset = BX;
if ( (count > 128) || (count == 0) ) {
BX_INFO("int13_harddisk: function %02x, count out of range!\n",GET_AH());
if ((count > 128) || (count == 0) || (sector == 0)) {
BX_INFO("int13_harddisk: function %02x, parameter out of range!\n",GET_AH());
goto int13_fail;
}
}
nlc = read_word(ebda_seg, &EbdaData->ata.devices[device].lchs.cylinders);
nlh = read_word(ebda_seg, &EbdaData->ata.devices[device].lchs.heads);
@ -6720,9 +6720,9 @@ BX_DEBUG_INT13_FL("floppy f00\n");
head = GET_DH();
drive = GET_ELDL();
if ( (drive > 1) || (head > 1) ||
(num_sectors == 0) || (num_sectors > 72) ) {
BX_INFO("floppy: drive>1 || head>1 ...\n");
if ((drive > 1) || (head > 1) || (sector == 0) ||
(num_sectors == 0) || (num_sectors > 72)) {
BX_INFO("int13_diskette: read/write/verify: parameter out of range\n");
SET_AH(1);
set_diskette_ret_status(1);
SET_AL(0); // no sectors read