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e57428affbeb3621f2c3f5d361e68a7823667729
TempleOS-Rijn/SparrowOS/OSMain/Dsk/DskAddDev.CPP
T
Terry A. Davis e57428affb SparrowOSTS_121127.ISO
2018-09-08 21:45:28 +02:00

362 lines
7.5 KiB
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U0 SetBlkDevLockFwding(CBlkDev *bdev)
{
CBlkDev *bd1;
I64 i;
switch (bdev->type) {
case BDT_RAM:
break;
case BDT_ATA:
case BDT_ATAPI:
for (i=0;i<num_blkdevs;i++) {
bd1=&sys_blkdevs[i];
if (bdev!=bd1 && (bd1->type==BDT_ATAPI || bd1->type==BDT_ATA) &&
bd1->base0==bdev->base0) {
bdev->lock_fwding=bd1;
break;
}
}
break;
case BDT_NON_NATIVE_FILE:
bdev->lock_fwding=Drv2BlkDev(bdev->non_native_drv);
break;
}
}
I64 BlkDevAdd(CBlkDev *bdev,Bool one_prt)
{
I64 i,j,ext_base,num_prt,offset;
CPrt *p;
CBootStruct br;
CMasterBoot mbr;
bdev->bd_signature=BD_SIGNATURE_VAL;
num_prt=bdev->drv_let_base-'A';
p=&sys_prts[num_prt];
MemSet(p,0,sizeof(CPrt));
p->drv_let=num_prt+'A';
p->pt_signature=PRT_SIGNATURE_VAL;
p->bdev=bdev;
p->size=bdev->max_blk+1;
switch (bdev->type) {
case BDT_RAM:
p->type=PT_NATIVE;
p->rblks=&RAMRBlks;
p->wblks=&RAMWBlks;
num_prt++;
//This is to force creation of a RAM
//drive during boot, so it is probably
//MAlloced to the same addr and can
//be assumed to be already formatted.
//If this line is removed, RAM Drives
//will be allocated on a just-in-time
//basis.
BlkDevInit(bdev);
break;
case BDT_ATA:
BlkDevInit(bdev);
if (one_prt) {
p->type=PT_NATIVE;
p->rblks=&ATARBlks;
p->wblks=&ATAWBlks;
p->size=bdev->max_blk+1;
num_prt++;
//The following read is a test read.
//if it hangs, the drive is not supported.
ATAReadBlks(bdev,&mbr,0,1);
break;
}
offset=0;
ext_base=INVALID_CLUSTER;
while (TRUE) {
ATAReadBlks(bdev,&mbr,offset,1);
if (mbr.signature!=0xAA55)
break;
j=-1;
for (i=0;i<4;i++) {
if (mbr.p[i].type) {
p=&sys_prts[num_prt];
MemSet(p,0,sizeof(CPrt));
p->drv_let=num_prt+'A';
p->pt_signature=PRT_SIGNATURE_VAL;
p->bdev=bdev;
p->rblks=&ATARBlks;
p->wblks=&ATAWBlks;
p->offset=mbr.p[i].offset+offset;
p->size =mbr.p[i].size;
p->type=PT_NULL;
switch (mbr.p[i].type) {
case MBR_PT_NATIVE:
p->type=PT_NATIVE;
NativeFSPrtInit(p);
num_prt++;
break;
case MBR_PT_FAT32a:
case MBR_PT_FAT32b:
case MBR_PT_FAT32c:
case MBR_PT_FAT32d:
case MBR_PT_FAT32e:
case MBR_PT_FAT32f:
ATAReadBlks(bdev,&br,p->offset,1);
if (br.signature==MBR_PT_NATIVE) {
p->type=PT_NATIVE;
NativeFSPrtInit(p);
} else {
p->type=PT_FAT32;
FAT32PrtInit(p);
}
num_prt++;
break;
case MBR_PT_NTFS:
p->type=PT_NTFS;
num_prt++;
break;
case 5:
case 15:
j=i;
break;
default:
p->type=PT_UNKNOWN;
num_prt++;
}
}
}
if (j<0)
break;
if (!mbr.p[j].offset)
break;
if (ext_base==INVALID_CLUSTER) {
offset=mbr.p[j].offset;
ext_base=offset;
} else
offset=mbr.p[j].offset+ext_base;
}
break;
case BDT_ATAPI:
p->type=PT_ISO9660; //Start with this
p->rblks=&ATARBlks;
p->wblks=&ATAWBlks;
p->size =0;
num_prt++;
break;
case BDT_NON_NATIVE_FILE:
p->type=PT_NATIVE;
p->offset=bdev->non_native_offset;
p->rblks=&NonNativeFileRBlks;
p->wblks=&NonNativeFileWBlks;
if (bdev->flags & BDF_FMT)
p->size=bdev->max_blk-bdev->min_blk+1;
num_prt++;
break;
}
SetBlkDevLockFwding(bdev);
return num_prt-(bdev->drv_let_base-'A');
}
Bool DrvEnable(U8 drv_let,Bool val)
{//This can be used to unmount a drive or remount,
//but not mount the first time.
CPrt *p;
Bool result=FALSE;
try {
p=Drv2Prt(drv_let);
result=!LBEqu(&p->type,PTf_DISABLE,!val);
} catch {
Fs->ignore_except=TRUE;
}
return result;
}
CATARep *ATARepFind(CATARep *root,I64 num)
{
CATARep *tempha=root;
while (tempha) {
if (tempha->num==num)
return tempha;
tempha=tempha->next;
}
return tempha;
}
U0 Mount(Bool repartition=FALSE)
{
CBlkDev *bdev;
I64 drv_let_base,drv_let,type,k,num_hints;
U8 buf[32],buf2[128],buf3[128];
Bool add;
CATARep *root,*tempha;
do {
PrtRep;
PutDefine("ST_MOUNT_BASE_LET");
drv_let_base=ToUpper(GetChar)-'A';
NewLine;
if (0<=drv_let_base<NUM_PRTS) {
PutDefine("ST_MOUNT_DRV_TYPE");
type=GetChar-'0';
NewLine;
k=0;
if (type==BDT_ATA || type==BDT_ATAPI) {
num_hints=CallExtStr("ATARep",TRUE,&root);
do {
if (num_hints)
PutDefine("ST_MOUNT_BASE0_HINT");
else
PutDefine("ST_MOUNT_BASE0");
GetS(buf2,128);
} while (!A2I(buf2));
if (1<=A2I(buf2)<=num_hints) {
tempha=ATARepFind(root,A2I(buf2));
SPrintF(buf2,"0x%X",tempha->base0);
SPrintF(buf3,"0x%X",tempha->base1);
k=tempha->unit;
} else {
if (type==BDT_ATAPI)
StrCpy(buf3,"0");
else
do {
PutDefine("ST_MOUNT_BASE1");
GetS(buf3,128);
} while (!A2I(buf3));
do {
PutDefine("ST_MOUNT_UNIT");
k=GetChar-'0';
} while (!(0<=k<=1));
NewLine;
}
LinkedListDel(root);
}
if (type==BDT_NON_NATIVE_FILE) {
PutDefine("ST_MOUNT_NON_NATIVE_LET");
drv_let=GetChar;
NewLine;
PutDefine("ST_INCLUDE_0X");
PutDefine("ST_MOUNT_NON_NATIVE_BLK");
GetS(buf2,128);
}
if (type==BDT_RAM) {
PutDefine("ST_MOUNT_BLKS");
GetS(buf,32);
}
if (BDT_NULL<type<=BDT_NON_NATIVE_FILE &&
0<=k<=1) {
bdev=&sys_blkdevs[num_blkdevs++];
bdev->drv_let_base=drv_let_base+'A';
bdev->unit=k;
bdev->type=type;
if (type==BDT_ATAPI)
bdev->flags=BDF_REMOVABLE;
else
bdev->flags=0;
if (type!=BDT_RAM)
bdev->flags|=BDF_READ_CACHE;
if (type==BDT_ATAPI) {
bdev->blk_size=CD_BLK_SIZE;
bdev->flags|=BDF_READ_ONLY;
} else
bdev->blk_size=BLK_SIZE;
if (type==BDT_RAM)
bdev->max_blk=A2I(buf)-1;
else
bdev->max_blk=0xEFFFFFFF;
if (type==BDT_NON_NATIVE_FILE) {
bdev->non_native_drv=drv_let;
bdev->non_native_offset=A2I(buf2);
} else {
bdev->non_native_drv=0;
bdev->non_native_offset=0;
}
if (type==BDT_ATA ||
type==BDT_ATAPI) {
bdev->base0=A2I(buf2);
bdev->base1=A2I(buf3);
}
add=TRUE;
if (type==BDT_ATA && repartition) {
PutDefine("ST_MOUNT_FMT_WHOLE_DRV");
if (YorN) {
if (!BlkDevAdd(bdev,TRUE))
PutDefine("ST_FAILED");
else
CallExtStr("PrtDsk",bdev->drv_let_base);
add=FALSE;
}
}
if (add && !BlkDevAdd(bdev,FALSE))
PutDefine("ST_FAILED");
} else
PutDefine("ST_FAILED");
}
} while (0<=drv_let_base<NUM_PRTS);
}
I64 SysPmtI64()
{
U8 st[136];
StrCpy(st,"0x");
GetS(st+2,134,FALSE);
return A2I(st);
}
Bool PmtBaseUnit(CBlkDev *bdev)
{
I64 ch;
Bool probe;
" SparrowOS\n\n\n";
#exe {
if (osmain_cfg->opts[CFG_DONT_PROBE])
StreamPutS("probe=FALSE;");
else
StreamPutS("probe=TRUE;");
};
if (!probe || !BootCdProbeAll(bdev)) {
"\nThis is not a product registration. SparrowOS\n"
"needs the I/O port numbers for the CD-ROM.\n"
"Retry the ports above or check Windows\n"
"system information under I/O ports for\n"
"'IDE', 'ATA' or 'SATA'.\n\n"
"\nEnter 4-digit hex I/O Port number.\n"
"CD-ROM I/O Port Base0: 0x";
bdev->base0=SysPmtI64;
bdev->base1=0;
"\nUnit (0 or 1): ";
do ch=GetChar(NULL,FALSE);
while (!('0'<=ch<='1'));
'' ch;
bdev->unit=ch-'0';
return TRUE;
}
return FALSE;
}
U0 BlkDevsInitAll()
{
CBlkDev *bdev;
I64 i;
num_blkdevs=0;
sys_blkdevs=ACAlloc(sizeof(CBlkDev)*NUM_BLKDEVS);
sys_prts=ACAlloc(sizeof(CPrt)*NUM_PRTS);
for (i=0;i<NUM_PRTS;i++)
drv_to_prt[i]=&sys_prts[i];
sys_raw_dc_col=0;
#exe {
StreamPutS("#exe {OptOff(OPTf_WARN_PAREN);}");
StreamDoc(osmain_cfg->add_dev);
StreamPutS("#exe {OptOn(OPTf_WARN_PAREN);}");
};
PrtRep;
}
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