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