Bool DrvTypeSet(U8 drv_let,I64 type=FSt_REDSEA)
{//Very dangerous
I64 i,j,ext_base,drv_num,offset,cur_type;
CMasterBoot mbr;
CBlkDev *bd;
drv_let=Let2Let(drv_let);
bd=Let2BlkDev(drv_let);
drv_num=bd->first_drv_let-'A';
switch (bd->type) {
case BDT_ATA:
offset=0;
ext_base=INVALID_CLUS;
while (TRUE) {
ATAReadBlks(bd,&mbr,offset,1);
j=-1;
for (i=0;i<4;i++) {
cur_type=mbr.p[i].type;
if (cur_type) {
if (cur_type==5 || cur_type==15)
j=i;
else {
if (drv_num+'A'==drv_let) {
switch (type) {
case FSt_REDSEA:
mbr.p[i].type=MBR_PT_REDSEA;
break;
case FSt_FAT32:
mbr.p[i].type=MBR_PT_FAT32a;
break;
default:
throw('Drv');
}
mbr.p[i].active=0x80;
ATAWriteBlks(bd,&mbr,offset,1);
return TRUE;
}
drv_num++;
}
}
}
if (j<0)
break;
if (!mbr.p[j].offset)
break;
if (ext_base==INVALID_CLUS) {
offset=mbr.p[j].offset;
ext_base=offset;
} else
offset=mbr.p[j].offset+ext_base;
}
break;
}
}
U0 Fmt(I64 drv_let,Bool quick=TRUE,Bool confirm=TRUE,I64 type=FSt_FAT32)
{//Format hard drive or RAM drive.
//Warning: Destroys all prev info.
//quick=FALSE means fill entire drive with zeros.
//Choose FSt_FAT32 or FSt_REDSEA.
//You don't format a CD/DVD with this.
CDrv *dv=Let2Drv(drv_let);
Bool old_silent=IsSilent;
if (confirm && !AreYouSure)
return;
if (!dv) {
PrintErr("Invalid Drive\n");
return;
}
switch (type) {
case FSt_FAT32:
if (dv->bd->type==BDT_ATA) {
Silent;
Drv(drv_let);
Silent(old_silent);
FAT32Fmt(drv_let,quick);
DskCacheInvalidate(Let2Drv(drv_let));
Drv(drv_let);
break;
}
"Using RedSea File System.\n";
case FSt_REDSEA:
Silent;
Drv(drv_let);
Silent(old_silent);
RedSeaFmt(drv_let,quick);
DskCacheInvalidate(Let2Drv(drv_let));
Drv(drv_let);
break;
default:
PrintErr("File System Not Supported\n");
}
}