TempleOSCDV4.11.ISO
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Terry A. Davis authored and minexew committed
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@@ -0,0 +1,232 @@
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U0 BlkDevLockFwdingSet(CBlkDev *bd)
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{ //If two blkdevs on same controller, use just one lock
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CBlkDev *bd1;
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I64 i;
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switch (bd->type) {
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case BDT_RAM:
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break;
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case BDT_ISO_FILE_READ:
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case BDT_ISO_FILE_WRITE:
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bd->lock_fwding=Let2BlkDev(*bd->file_dsk_name);
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break;
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case BDT_ATA:
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case BDT_ATAPI:
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for (i=0;i<NUM_BLKDEVS;i++) {
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bd1=&blkdev.blkdevs[i];
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if (bd1->bd_signature==BD_SIGNATURE_VAL && bd!=bd1 &&
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(bd1->type==BDT_ATAPI || bd1->type==BDT_ATA) &&
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bd1->base0==bd->base0) {
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bd->lock_fwding=bd1;
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break;
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}
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}
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break;
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}
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}
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I64 BlkDevAdd(CBlkDev *bd,Bool one_drv,Bool make_free)
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{
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I64 i,j,ext_base,offset,res=0;
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CDrv *dv;
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CRedSeaBoot br;
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CMasterBoot mbr;
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bd->bd_signature=BD_SIGNATURE_VAL;
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if (make_free)
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dv=DrvMakeFreeSlot(bd->first_drv_let+res);
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else
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dv=DrvMakeFreeSlot(DrvNextFreeLet(bd->first_drv_let+res));
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dv->bd=bd;
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dv->drv_offset=bd->drv_offset;
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dv->size=bd->max_blk+1-bd->drv_offset;
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switch (bd->type) {
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case BDT_RAM:
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case BDT_ISO_FILE_READ:
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case BDT_ISO_FILE_WRITE:
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dv->dv_signature=DRV_SIGNATURE_VAL;
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dv->fs_type=FSt_REDSEA;
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//This is to force creation of a RAM
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//drive during boot, so it is probably
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//MAlloced to the same addr and can
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//be assumed to be already formatted.
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//If this line is removed, RAM Drives
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//will be alloced on a just-in-time
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//basis.
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if (BlkDevInit(bd))
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res++;
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else
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dv->dv_signature=0;
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break;
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case BDT_ATA:
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dv->dv_signature=DRV_SIGNATURE_VAL; //Temporarily validate
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if (!BlkDevInit(bd))
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dv->dv_signature=0; //Revoke validation
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else {
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dv->dv_signature=0; //Revoke validation
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if (one_drv) {
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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dv->fs_type=FSt_REDSEA;
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dv->size=bd->max_blk+1-bd->drv_offset;
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//The following read is a test read.
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//if it hangs, the drive is not supported.
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ATAReadBlks(bd,&mbr,0,1);
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break;
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}
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offset=0;
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ext_base=INVALID_CLUSTER;
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while (TRUE) {
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ATAReadBlks(bd,&mbr,offset,1);
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if (mbr.signature!=0xAA55)
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break;
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j=-1;
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for (i=0;i<4;i++) {
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if (mbr.p[i].type) {
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if (make_free)
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dv=DrvMakeFreeSlot(bd->first_drv_let+res);
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else
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dv=DrvMakeFreeSlot(DrvNextFreeLet(bd->first_drv_let+res));
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dv->bd=bd;
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dv->drv_offset=mbr.p[i].offset+offset;
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dv->size =mbr.p[i].size;
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switch (mbr.p[i].type) {
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case MBR_PT_REDSEA:
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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dv->fs_type=FSt_REDSEA;
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RedSeaDrvInit(dv);
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break;
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case MBR_PT_FAT32a:
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case MBR_PT_FAT32b:
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case MBR_PT_FAT32c:
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case MBR_PT_FAT32d:
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case MBR_PT_FAT32e:
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case MBR_PT_FAT32f:
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ATAReadBlks(bd,&br,dv->drv_offset,1);
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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if (br.signature==MBR_PT_REDSEA) {
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dv->fs_type=FSt_REDSEA;
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RedSeaDrvInit(dv);
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} else {
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dv->fs_type=FSt_FAT32;
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FAT32DrvInit(dv);
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}
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break;
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case MBR_PT_NTFS:
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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dv->fs_type=FSt_NTFS;
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break;
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case 5:
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case 15:
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j=i;
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break;
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default:
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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dv->fs_type=FSt_UNKNOWN;
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}
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}
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}
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if (Let2BlkDevType(bd->first_drv_let+res)!=bd->type)
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break;
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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_CLUSTER) {
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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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}
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break;
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case BDT_ATAPI:
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dv->dv_signature=DRV_SIGNATURE_VAL;
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res++;
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dv->fs_type=FSt_ISO9660; //Start with this
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dv->size=0;
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break;
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}
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if (res)
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BlkDevLockFwdingSet(bd);
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else
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BlkDevDel(bd);
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return res;
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}
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Bool DrvEnable(U8 drv_let,Bool val)
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{//Can unmount or remount, but not mount the first time.
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CDrv *dv;
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if (dv=Let2Drv(drv_let,FALSE))
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return !LBEqu(&dv->fs_type,FStf_DISABLE,!val);
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else
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return FALSE;
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}
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I64 SysGetI64()
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{
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U8 st[STR_LEN];
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GetS(st,STR_LEN,FALSE);
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return Str2I64(st,16);
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}
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Bool GetBaseUnit(CBlkDev *bd)
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{
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I64 ch;
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Bool probe;
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" TempleOS\n\n\n";
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#exe {
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if (kernel_cfg->opts[CFG_DONT_PROBE])
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StreamPrint("probe=FALSE;");
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else
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StreamPrint("probe=TRUE;");
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};
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if (!probe || !BootDVDProbeAll(bd)) {
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"\nDon't worry. This is not a product\n"
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"registration. TempleOS just needs the\n"
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"I/O port numbers for the CD/DVD.\n"
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"\nRetry the ports above or check Windows\n"
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"system information under I/O ports for\n"
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"'IDE', 'ATA' or 'SATA'.\n"
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"In Linux, use 'lspci -v' for ports.\n"
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"\n\nEnter 4-digit hex I/O Port number.\n"
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"CD/DVD I/O Port Base0: 0x";
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bd->base0=SysGetI64;
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bd->base1=0;
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bd->unit =0;
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if (bd->base0) {
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"\nUnit (0 or 1): ";
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do ch=GetChar(,FALSE);
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while (!('0'<=ch<='1'));
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'' ch;
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bd->unit=ch-'0';
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blkdev.dvd_boot_is_good=BootDVDProbe(bd);
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return TRUE;
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} else {
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blkdev.dvd_boot_is_good=FALSE;
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return FALSE;
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}
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}
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return FALSE;
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}
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U0 BlkDevsInitAll()
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{
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CBlkDev *bd;
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I64 i;
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blkdev.blkdevs=CAlloc(sizeof(CBlkDev)*NUM_BLKDEVS);
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blkdev.drvs=CAlloc(sizeof(CDrv)*NUM_DRVS);
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for (i=0;i<NUM_DRVS;i++)
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blkdev.let_to_drv[i]=&blkdev.drvs[i];
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text.raw_col=0;
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#exe {
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if (kernel_cfg->opts[CFG_AUTO_MOUNT_IDE])
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StreamPrint("AutoMountIDE;");
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StreamPrint("#exe {Option(OPTf_WARN_PAREN,OFF);}");
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StreamDoc(kernel_cfg->add_dev);
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StreamPrint("#exe {Option(OPTf_WARN_PAREN,ON);}");
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};
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}
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