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TempleOSCDV4.09.ISO

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Terry A. Davis authored and minexew committed 2018-09-08 21:47:32 +02:00
1 parent 2d56cda5f3
commit 353eac0dbe
88 files changed
+2449 -2043
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Kernel/BlkDev/DskBlkDev.CPP
+53 -39
View File
@@ -33,41 +33,53 @@ Bool BlkDevInit(CBlkDev *bd)
CDirEntry de;
U8 buf[STR_LEN];
CDrv *dv=Let2Drv(bd->first_drv_let);
Bool res=FALSE,invalid=FALSE;
Bool res=FALSE;
if (!LBts(&bd->flags,BDf_INITIALIZED)) {
bd->flags|=BDF_INIT_IN_PROGRESS;
switch (bd->type) {
start:
case BDT_RAM:
if (!bd->RAM_dsk) {
bd->RAM_dsk=AMAlloc((bd->max_blk+1)<<BLK_SIZE_BITS);
bd->max_blk=MSize(bd->RAM_dsk)>>BLK_SIZE_BITS-1;
}
break;
case BDT_FILE:
if (!bd->file_dsk_name) {
StrPrint(buf,"%C:/Drv%C.DRV.C",
blkdev.boot_drv_let,bd->first_drv_let);
bd->file_dsk_name=AStrNew(buf);
}
if (FileFind(bd->file_dsk_name,&de,FUF_JUST_FILES))
bd->max_blk=de.size>>BLK_SIZE_BITS-1;
else {
invalid=TRUE;
if (bd->max_blk<7)
bd->max_blk=7;
}
bd->file_dsk=FOpen(bd->file_dsk_name,"wc+",bd->max_blk+1);
break;
end:
case BDT_RAM:
if (!bd->RAM_dsk) {
bd->RAM_dsk=AMAlloc((bd->max_blk+1)<<BLK_SIZE_BITS);
bd->max_blk=MSize(bd->RAM_dsk)>>BLK_SIZE_BITS-1;
}
dv->fs_type=FSt_REDSEA;
dv->size=bd->max_blk+1-bd->drv_offset;
if (!invalid && RedSeaDrvValidate(bd->first_drv_let))
if (RedSeaDrvValidate(bd->first_drv_let))
RedSeaDrvInit(dv);
else
RedSeaFmt(bd->first_drv_let);
res=TRUE;
break;
case BDT_FILE_READ:
if (FileFind(bd->file_dsk_name,&de,FUF_JUST_FILES)) {
bd->max_blk=de.size>>BLK_SIZE_BITS-1;
try bd->file_dsk=FOpen(bd->file_dsk_name,"rc",bd->max_blk+1);
catch
Fs->catch_except=TRUE;
if (bd->file_dsk) {
dv->fs_type=FSt_REDSEA;
dv->size=bd->max_blk+1-bd->drv_offset;
if (RedSeaDrvValidate(bd->first_drv_let)) {
RedSeaDrvInit(dv);
res=TRUE;
}
}
}
break;
case BDT_FILE_WRITE:
if (!bd->file_dsk_name) {
StrPrint(buf,"%C:/Drv%C.DRV.C",
blkdev.boot_drv_let,bd->first_drv_let);
bd->file_dsk_name=AStrNew(buf);
}
if (bd->max_blk<7)
bd->max_blk=7;
bd->file_dsk=FOpen(bd->file_dsk_name,"wc",bd->max_blk+1);
dv->fs_type=FSt_REDSEA;
dv->size=bd->max_blk+1-bd->drv_offset;
RedSeaFmt(bd->first_drv_let);
res=TRUE;
break;
case BDT_ATA:
bd->max_reads=128;
bd->max_writes=1;
@@ -105,7 +117,7 @@ U0 BlkDevsRelease()
}
}
CBlkDev *BlkDevNextFree(U8 first_drv_let,I64 type)
CBlkDev *BlkDevNextFreeSlot(U8 first_drv_let,I64 type)
{//Locate free slot for new BlkDev, like during $LK,"Mount",A="MN:Mount"$().
I64 i=0;
CBlkDev *res;
@@ -117,20 +129,21 @@ CBlkDev *BlkDevNextFree(U8 first_drv_let,I64 type)
MemSet(res,0,sizeof(CBlkDev));
res->first_drv_let=first_drv_let;
res->type=type;
if (type==BDT_ATAPI)
res->flags=BDF_REMOVABLE;
else
res->flags=0;
if (type!=BDT_RAM)
res->flags|=BDF_READ_CACHE;
if (type==BDT_ATAPI) {
res->blk_size=DVD_BLK_SIZE;
res->flags|=BDF_READ_ONLY;
} else
res->blk_size=BLK_SIZE;
res->flags=BDF_READ_CACHE;
res->blk_size=BLK_SIZE;
res->max_blk=0xEFFFFFFF;
switch (type) {
case BDT_RAM:
res->flags&=~BDF_READ_CACHE;
break;
case BDT_FILE_READ:
res->flags|=BDF_READ_ONLY;
break;
case BDT_ATAPI:
res->flags|=BDF_REMOVABLE|BDF_READ_ONLY;
res->blk_size=DVD_BLK_SIZE;
break;
}
return res;
}
} while (++i<NUM_BLKDEVS);
@@ -140,6 +153,7 @@ CBlkDev *BlkDevNextFree(U8 first_drv_let,I64 type)
U0 BlkDevDel(CBlkDev *bd)
{//Delete BlkDev
DrvBlkDevDel(bd);
FClose(bd->file_dsk);
Free(bd->file_dsk_name);
Free(bd->dev_id_record);