334 lines
7.2 KiB
C++
334 lines
7.2 KiB
C++
U0 SetBlkDevLockFwding(CBlkDev *bdev)
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{
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CBlkDev *bdev1;
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I64 i;
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switch (bdev->type) {
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case BDT_RAM:
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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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bdev1=&sys_blkdevs[i];
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if (bdev1->bd_signature==BD_SIGNATURE_VAL && bdev!=bdev1 &&
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(bdev1->type==BDT_ATAPI || bdev1->type==BDT_ATA) &&
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bdev1->base0==bdev->base0) {
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bdev->lock_fwding=bdev1;
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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 *bdev,Bool one_prt,Bool make_free)
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{
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I64 i,j,ext_base,offset,result=0;
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CPrt *p;
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CBootStruct br;
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CMasterBoot mbr;
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bdev->bd_signature=BD_SIGNATURE_VAL;
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if (make_free)
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p=PrtMakeFree(bdev->first_drv_let+result);
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else
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p=PrtNextFree(bdev->first_drv_let+result);
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p->bdev=bdev;
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p->size=bdev->max_blk+1;
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switch (bdev->type) {
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case BDT_RAM:
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p->pt_signature=PRT_SIGNATURE_VAL;
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p->type=PT_REDSEA;
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p->rblks=&RAMRBlks;
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p->wblks=&RAMWBlks;
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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 allocated on a just-in-time
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//basis.
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if (BlkDevInit(bdev))
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result++;
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else
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p->pt_signature=0;
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break;
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case BDT_ATA:
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p->pt_signature=PRT_SIGNATURE_VAL; //Temporarily validate
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if (!BlkDevInit(bdev))
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p->pt_signature=0; //Revoke validation
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else {
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p->pt_signature=0; //Revoke validation
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if (one_prt) {
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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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p->type=PT_REDSEA;
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p->rblks=&ATARBlks;
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p->wblks=&ATAWBlks;
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p->size=bdev->max_blk+1;
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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(bdev,&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(bdev,&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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p=PrtMakeFree(bdev->first_drv_let+result);
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else
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p=PrtNextFree(bdev->first_drv_let+result);
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p->bdev=bdev;
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p->rblks=&ATARBlks;
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p->wblks=&ATAWBlks;
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p->offset=mbr.p[i].offset+offset;
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p->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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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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p->type=PT_REDSEA;
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RedSeaFSPrtInit(p);
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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(bdev,&br,p->offset,1);
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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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if (br.signature==MBR_PT_REDSEA) {
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p->type=PT_REDSEA;
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RedSeaFSPrtInit(p);
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} else {
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p->type=PT_FAT32;
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FAT32PrtInit(p);
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}
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break;
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case MBR_PT_NTFS:
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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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p->type=PT_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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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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p->type=PT_UNKNOWN;
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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_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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p->pt_signature=PRT_SIGNATURE_VAL;
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result++;
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p->type=PT_ISO9660; //Start with this
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p->rblks=&ATARBlks;
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p->wblks=&ATAWBlks;
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p->size =0;
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break;
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}
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if (result)
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SetBlkDevLockFwding(bdev);
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else
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MemSet(bdev,0,sizeof(CBlkDev));
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return result;
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}
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Bool DrvEnable(U8 drv_let,Bool val)
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{//This can be used to unmount a drive or remount,
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//but not mount the first time.
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CPrt *p;
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Bool result=FALSE;
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try {
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p=Drv2Prt(drv_let);
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result=!LBEqu(&p->type,PTf_DISABLE,!val);
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} catch
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Fs->catch_except=TRUE;
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return result;
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}
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CATARep *ATARepFind(CATARep *root,I64 num)
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{
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CATARep *tempha=root;
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while (tempha) {
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if (tempha->num==num)
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return tempha;
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tempha=tempha->next;
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}
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return tempha;
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}
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U0 Mount(Bool repartition=FALSE)
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{
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CBlkDev *bdev;
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I64 first_prt_num,type,unit,num_hints;
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U8 blks_buf[128],addr_buf[128],base0_buf[128],base1_buf[128];
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Bool add;
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CATARep *root,*tempha;
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do {
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PrtRep;
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PutDefine("ST_MOUNT_FIRST_DRV_LET");
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first_prt_num=ToUpper(GetChar)-'A';
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NewLine;
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if (0<=first_prt_num<NUM_PRTS) {
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PutDefine("ST_MOUNT_DRV_TYPE");
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type=GetChar-'0';
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NewLine;
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unit=0;
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if (type==BDT_ATA || type==BDT_ATAPI) {
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num_hints=ATARep(,,&root);
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do {
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if (num_hints)
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PutDefine("ST_MOUNT_BASE0_HINT");
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else
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PutDefine("ST_MOUNT_BASE0");
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GetS(base0_buf,128);
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} while (!A2I(base0_buf));
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if (1<=A2I(base0_buf)<=num_hints) {
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tempha=ATARepFind(root,A2I(base0_buf));
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SPrintF(base0_buf,"0x%X",tempha->base0);
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SPrintF(base1_buf,"0x%X",tempha->base1);
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unit=tempha->unit;
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} else {
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if (type==BDT_ATAPI)
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StrCpy(base1_buf,"0");
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else
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do {
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PutDefine("ST_MOUNT_BASE1");
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GetS(base1_buf,128);
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} while (!A2I(base1_buf));
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do {
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PutDefine("ST_MOUNT_UNIT");
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unit=GetChar-'0';
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} while (!(0<=unit<=1));
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NewLine;
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}
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LinkedLstDel(root);
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}
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if (type==BDT_RAM) {
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PutDefine("ST_MOUNT_ADDR");
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GetS(addr_buf,128);
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PutDefine("ST_MOUNT_BLKS");
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GetS(blks_buf,128);
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}
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if (BDT_NULL<type<BDT_NUM_TYPES && 0<=unit<=1) {
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bdev=BlkDevNextFree(first_prt_num+'A',type);
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bdev->unit=unit;
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if (type==BDT_RAM) {
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if (!*addr_buf) StrCpy(addr_buf,"0");
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bdev->RAM_dsk=A2I(addr_buf);
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bdev->max_blk=A2I(blks_buf)-1;
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}
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if (type==BDT_ATA ||
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type==BDT_ATAPI) {
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bdev->base0=A2I(base0_buf);
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bdev->base1=A2I(base1_buf);
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}
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add=TRUE;
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if (type==BDT_ATA && repartition) {
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PutDefine("ST_MOUNT_FMT_WHOLE_DRV");
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if (YorN) {
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if (!BlkDevAdd(bdev,TRUE,TRUE))
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PutDefine("ST_FAILED");
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else
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CallExtStr("PrtDsk",bdev->first_drv_let);
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add=FALSE;
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}
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}
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if (add && !BlkDevAdd(bdev,FALSE,TRUE))
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PutDefine("ST_FAILED");
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} else
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PutDefine("ST_FAILED");
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}
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} while (0<=first_prt_num<NUM_PRTS);
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}
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I64 SysPmtI64()
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{
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U8 st[136];
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StrCpy(st,"0x");
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GetS(st+2,134,FALSE);
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if (!st[2])
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return 0;
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else
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return A2I(st);
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}
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Bool PmtBaseUnit(CBlkDev *bdev)
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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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StreamPutS("probe=FALSE;");
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else
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StreamPutS("probe=TRUE;");
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};
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if (!probe || !BootCdProbeAll(bdev)) {
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PutDefine("ST_CDROM_PORTS_PMT1");
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bdev->base0=SysPmtI64;
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bdev->base1=0;
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bdev->unit =0;
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if (bdev->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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bdev->unit=ch-'0';
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cdrom_boot_is_good=BootCdProbe(bdev);
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return TRUE;
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} else {
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cdrom_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 *bdev;
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I64 i;
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sys_blkdevs=CAlloc(sizeof(CBlkDev)*NUM_BLKDEVS);
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sys_prts=CAlloc(sizeof(CPrt)*NUM_PRTS);
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for (i=0;i<NUM_PRTS;i++)
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drv_to_prt[i]=&sys_prts[i];
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sys_raw_dc_col=0;
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#exe {
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if (kernel_cfg->opts[CFG_AUTO_MOUNT_IDE])
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StreamPutS("AutoMountIDE;");
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StreamPutS("#exe {OptOff(OPTf_WARN_PAREN);}");
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StreamDoc(kernel_cfg->add_dev);
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StreamPutS("#exe {OptOn(OPTf_WARN_PAREN);}");
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};
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PrtRep;
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}
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