Files
86Box/src/disk/hdd.c

174 lines
3.1 KiB
C

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Common code to handle all sorts of hard disk images.
*
* Version: @(#)hdd.c 1.0.6 2017/11/01
*
* Authors: Miran Grca, <mgrca8@gmail.com>
* Fred N. van Kempen, <decwiz@yahoo.com>
*
* Copyright 2016,2017 Miran Grca.
* Copyright 2017 Fred N. van Kempen.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <wchar.h>
#include "../86box.h"
#include "../ui.h"
#include "hdd.h"
hard_disk_t hdd[HDD_NUM];
int
hdd_init(void)
{
/* Clear all global data. */
memset(hdd, 0x00, sizeof(hdd));
return(0);
}
int
hdd_string_to_bus(char *str, int cdrom)
{
if (! strcmp(str, "none"))
return(HDD_BUS_DISABLED);
if (! strcmp(str, "mfm")) {
if (cdrom) {
no_cdrom:
ui_msgbox(MBX_ERROR, (wchar_t *)IDS_4114);
return(0);
}
return(HDD_BUS_MFM);
}
/* FIXME: delete 'rll' in a year or so.. --FvK */
if (!strcmp(str, "esdi") || !strcmp(str, "rll")) {
if (cdrom) goto no_cdrom;
return(HDD_BUS_ESDI);
}
if (! strcmp(str, "ide_pio_only"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "ide"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "atapi_pio_only"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "atapi"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "eide"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "xtide"))
return(HDD_BUS_XTIDE);
if (! strcmp(str, "atide"))
return(HDD_BUS_IDE_PIO_ONLY);
if (! strcmp(str, "ide_pio_and_dma"))
return(HDD_BUS_IDE_PIO_AND_DMA);
if (! strcmp(str, "atapi_pio_and_dma"))
return(HDD_BUS_IDE_PIO_AND_DMA);
if (! strcmp(str, "scsi"))
return(HDD_BUS_SCSI);
if (! strcmp(str, "removable")) {
if (cdrom) goto no_cdrom;
return(HDD_BUS_SCSI_REMOVABLE);
}
if (! strcmp(str, "scsi_removable")) {
if (cdrom) goto no_cdrom;
return(HDD_BUS_SCSI_REMOVABLE);
}
if (! strcmp(str, "removable_scsi")) {
if (cdrom) goto no_cdrom;
return(HDD_BUS_SCSI_REMOVABLE);
}
if (! strcmp(str, "usb"))
ui_msgbox(MBX_ERROR, (wchar_t *)IDS_4110);
return(0);
}
char *
hdd_bus_to_string(int bus, int cdrom)
{
char *s = "none";
switch (bus) {
case HDD_BUS_DISABLED:
default:
break;
case HDD_BUS_MFM:
s = "mfm";
break;
case HDD_BUS_XTIDE:
s = "xtide";
break;
case HDD_BUS_ESDI:
s = "esdi";
break;
case HDD_BUS_IDE_PIO_ONLY:
s = cdrom ? "atapi_pio_only" : "ide_pio_only";
break;
case HDD_BUS_IDE_PIO_AND_DMA:
s = cdrom ? "atapi_pio_and_dma" : "ide_pio_and_dma";
break;
case HDD_BUS_SCSI:
s = "scsi";
break;
case HDD_BUS_SCSI_REMOVABLE:
s = "scsi_removable";
break;
}
return(s);
}
int
hdd_is_valid(int c)
{
if (hdd[c].bus == HDD_BUS_DISABLED) return(0);
if ((wcslen(hdd[c].fn) == 0) &&
(hdd[c].bus != HDD_BUS_SCSI_REMOVABLE)) return(0);
if ((hdd[c].tracks==0) || (hdd[c].hpc==0) || (hdd[c].spt==0)) return(0);
return(1);
}