A TempleOS distro for heretics
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#help_index "File/CD DVD"
class CCDVDUserData //Create DVD
{
I64 loc,path_entry_num,
short_dir_blks,long_dir_blks;
};
I64 DVDFileCreate2(CFile *out_file,CDirEntry *tmpde,CISO1DirEntry *tmpi,
CISO1DirEntry *tmpi2,I64 *_cur_blk,CDirEntry *parent,Bool write,
U8 *stage2_filename,I64 *_stage2_blk)
{
CCDVDUserData *tmpc;
CDirEntry *tmpde1,*tmpde2;
CFile *in_file;
U8 *buf=MAlloc(DVD_BLK_SIZE),*ptr1,*ptr2;
CISO1DirEntry *dir_blk_buf =CAlloc(DVD_BLK_SIZE*128),
*de =dir_blk_buf, *de1,
*dir_blk_buf2=CAlloc(DVD_BLK_SIZE*128),
*de2=dir_blk_buf2,*de12;
I64 i,n;
tmpc=parent->user_data;
de->len=sizeof(CISO1DirEntry)-1;
de->ext_attr_len=0;
FillU16Palindrome(&de->vol_seq_num,1);
Date2ISO1(&de->date,tmpde->datetime);
de->flags=ISO1_ATTR_DIR;
de->name_len=1;
de->name=0;
de->len+=de->name_len;
de(U8 *)+=de->len;
de->len=sizeof(CISO1DirEntry)-1;
de->ext_attr_len=0;
FillU32Palindrome(&de->loc,tmpc->loc);
FillU32Palindrome(&de->size,tmpc->short_dir_blks*DVD_BLK_SIZE);
FillU16Palindrome(&de->vol_seq_num,1);
Date2ISO1(&de->date,parent->datetime);
de->flags=ISO1_ATTR_DIR;
de->name_len=1;
de->name=1;
de->len+=de->name_len;
de(U8 *)+=de->len;
de2->len=sizeof(CISO1DirEntry)-1;
de2->ext_attr_len=0;
FillU16Palindrome(&de2->vol_seq_num,1);
Date2ISO1(&de2->date,tmpde->datetime);
de2->flags=ISO1_ATTR_DIR;
de2->name_len=1;
de2->name=0;
de2->len+=de2->name_len;
de2(U8 *)+=de2->len;
de2->len=sizeof(CISO1DirEntry)-1;
de2->ext_attr_len=0;
FillU32Palindrome(&de2->loc,tmpc->loc+tmpc->short_dir_blks);
FillU32Palindrome(&de2->size,tmpc->long_dir_blks*DVD_BLK_SIZE);
FillU16Palindrome(&de2->vol_seq_num,1);
Date2ISO1(&de2->date,parent->datetime);
de2->flags=ISO1_ATTR_DIR;
de2->name_len=1;
de2->name=1;
de2->len+=de2->name_len;
de2(U8 *)+=de2->len;
tmpde1=tmpde->sub;
while (tmpde1) {
tmpde2=tmpde1->next;
if (!write) tmpde1->user_data=CAlloc(sizeof(CCDVDUserData));
de1=de;
de12=de2;
if (tmpde1->attr & RS_ATTR_DIR) {
n=DVDFileCreate2(out_file,tmpde1,de,de2,_cur_blk,
tmpde,write,stage2_filename,_stage2_blk);
de(U8 *)+=sizeof(CISO1DirEntry)-1+n;
de2(U8 *)+=sizeof(CISO1DirEntry)-1+n<<1;
} else {
tmpc=tmpde1->user_data;
de->len=sizeof(CISO1DirEntry)-1;
de->ext_attr_len=0;
FillU32Palindrome(&de->loc,*_cur_blk);
tmpc->loc=*_cur_blk;
if (write) {
if (stage2_filename && !StrCmp(tmpde1->full_name,stage2_filename)) {
"$$RED$$!!! Boot Stage 2 !!!$$FG$$\n";
if (_stage2_blk) *_stage2_blk=*_cur_blk;
}
"%X:%s\n",*_cur_blk,tmpde1->full_name;
}
FillU32Palindrome(&de->size,tmpde1->size);
FillU16Palindrome(&de->vol_seq_num,1);
Date2ISO1(&de->date,tmpde1->datetime);
de->flags=0;
de->name_len=StrLen(tmpde1->name);
StrCpy(&de->name,tmpde1->name);
de->len=de->len+de->name_len;
de(U8 *)+=de->len;
de2->len=sizeof(CISO1DirEntry)-1;
de2->ext_attr_len=0;
FillU32Palindrome(&de2->loc,*_cur_blk);
FillU32Palindrome(&de2->size,tmpde1->size);
FillU16Palindrome(&de2->vol_seq_num,1);
Date2ISO1(&de2->date,tmpde1->datetime);
de2->flags=0;
de2->name_len=StrLen(tmpde1->name)<<1;
ptr1=&de2->name;
ptr2=&tmpde1->name;
for (i=0;i<de2->name_len;i=i+2) {
ptr1++;
*ptr1++=*ptr2++;
}
de2->len+=de2->name_len;
de2(U8 *)+=de2->len;
in_file=FOpen(tmpde1->full_name,"r");
for (i=0;i<(FSize(in_file)+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;i++) {
n=4;
if ((i+1)<<2>(FSize(in_file)+BLK_SIZE-1)>>BLK_SIZE_BITS) {
n=(FSize(in_file)+BLK_SIZE-1)>>BLK_SIZE_BITS&3;
MemSet(buf,0,DVD_BLK_SIZE);
}
if (write) {
FBlkRead(in_file,buf,i<<2,n);
FBlkWrite(out_file,buf,*_cur_blk<<2,n);
}
*_cur_blk+=1;
}
FClose(in_file);
}
if ((de1(U8 *)-dir_blk_buf(U8 *))/DVD_BLK_SIZE!=
(de(U8 *) -dir_blk_buf(U8 *))/DVD_BLK_SIZE) {
i=de1->len;
MemCpy(buf,de1,i);
MemSet(de1,0,i);
de=dir_blk_buf(U8 *)+(de(U8 *)
-dir_blk_buf(U8 *))/DVD_BLK_SIZE*DVD_BLK_SIZE;
MemCpy(de,buf,i);
de(U8 *)+=i;
}
if ((de12(U8 *)-dir_blk_buf2(U8 *))/DVD_BLK_SIZE!=
(de2(U8 *) -dir_blk_buf2(U8 *))/DVD_BLK_SIZE) {
i=de12->len;
MemCpy(buf,de12,i);
MemSet(de12,0,i);
de2(U8 *)=dir_blk_buf2(U8 *)+(de2(U8 *)
-dir_blk_buf2(U8 *))/DVD_BLK_SIZE*DVD_BLK_SIZE;
MemCpy(de2,buf,i);
de2(U8 *)+=i;
}
tmpde1=tmpde2;
}
tmpc=tmpde->user_data;
tmpi->len=sizeof(CISO1DirEntry)-1;
tmpi->ext_attr_len=0;
tmpi->flags=ISO1_ATTR_DIR;
if (!tmpde->name[0]) {
tmpi->name_len=1;
tmpi->name=1;
} else {
tmpi->name_len=StrLen(tmpde->name);
StrCpy(&tmpi->name,tmpde->name);
}
tmpi->len+=tmpi->name_len;
n=de(U8 *)+1-dir_blk_buf(U8 *);
n=(n+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;
FillU32Palindrome(&tmpi->size,n*DVD_BLK_SIZE);
FillU32Palindrome(&tmpi->loc,*_cur_blk);
tmpc->short_dir_blks=n;
tmpc->loc=*_cur_blk;
FillU32Palindrome(&dir_blk_buf->size,n*DVD_BLK_SIZE);
FillU32Palindrome(&dir_blk_buf->loc,*_cur_blk);
FillU16Palindrome(&tmpi->vol_seq_num,1);
Date2ISO1(&tmpi->date,tmpde->datetime);
if (write)
"%X:%s\n",*_cur_blk,tmpde->full_name;
if (write)
FBlkWrite(out_file,dir_blk_buf,*_cur_blk<<2,n<<2);
*_cur_blk+=n;
tmpi2->len=sizeof(CISO1DirEntry)-1;
tmpi2->ext_attr_len=0;
tmpi2->flags=ISO1_ATTR_DIR;
if (!tmpde->name[0]) {
tmpi2->name_len=1;
tmpi->name=1;
} else {
tmpi2->name_len=StrLen(tmpde->name)<<1;
ptr1=&tmpi2->name;
ptr2=&tmpde->name;
for (i=0;i<tmpi2->name_len;i=i+2) {
ptr1++;
*ptr1++=*ptr2++;
}
}
tmpi2->len+=tmpi2->name_len;
n=de2(U8 *)+1-dir_blk_buf2(U8 *);
n=(n+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;
FillU32Palindrome(&tmpi2->size,n*DVD_BLK_SIZE);
FillU32Palindrome(&tmpi2->loc,*_cur_blk);
tmpc->long_dir_blks=n;
FillU32Palindrome(&dir_blk_buf2->size,n*DVD_BLK_SIZE);
FillU32Palindrome(&dir_blk_buf2->loc,*_cur_blk);
FillU16Palindrome(&tmpi2->vol_seq_num,1);
Date2ISO1(&tmpi2->date,tmpde->datetime);
if (write)
"%X:%s\n",*_cur_blk,tmpde->full_name;
if (write)
FBlkWrite(out_file,dir_blk_buf2,*_cur_blk<<2,n<<2);
*_cur_blk+=n;
Free(dir_blk_buf);
Free(dir_blk_buf2);
Free(buf);
return tmpi->name_len;
}
I64 DVDTableLen(CDirEntry *tmpde,I64 *size1,I64 *size2,I64 cur_depth)
{//Returns depth
CDirEntry *tmpde1=tmpde->sub;
I64 max_depth=cur_depth,i;
while (tmpde1) {
if (tmpde1->attr & RS_ATTR_DIR) {
*size1+=sizeof(CISO1PathEntry)-2+ (StrLen(tmpde1->name)+1)&-0x2;
*size2+=sizeof(CISO1PathEntry)-2+StrLen(tmpde1->name)<<1;
i=DVDTableLen(tmpde1,size1,size2,cur_depth+1);
if (i>max_depth) max_depth=i;
}
tmpde1=tmpde1->next;
}
return max_depth;
}
U0 DVDFillPathTable(CDirEntry *tmpde,
CISO1PathEntry **_itabbuf,CISO1PathEntry **_itabbuf2,
I64 parent_entry_num,Bool big_endian,I64 *first_free,
I64 cur_level,I64 output_level)
{
U8 *ptr1,*ptr2;
I64 i;
CISO1PathEntry *tabbuf=*_itabbuf,*tabbuf2=*_itabbuf2;
CDirEntry *tmpde1=tmpde->sub,*tmpde2;
CCDVDUserData *tmpc;
if (cur_level==output_level) {
while (tmpde1) {
if (tmpde1->attr & RS_ATTR_DIR) {
tmpc=tmpde1->user_data;
tmpc->path_entry_num=*first_free;
tabbuf->name_len=StrLen(tmpde1->name);
if (big_endian) {
tabbuf->blk=EndianU32(tmpc->loc);
tabbuf->parent_entry_num=EndianU16(parent_entry_num);
} else {
tabbuf->blk=tmpc->loc;
tabbuf->parent_entry_num=parent_entry_num;
}
StrCpy(&tabbuf->name,tmpde1->name);
tabbuf(U8 *)+=sizeof(CISO1PathEntry)-2+
(StrLen(tmpde1->name)+1) & -0x2;
tabbuf2->name_len=StrLen(tmpde1->name)<<1;
if (big_endian) {
tabbuf2->blk=EndianU32(tmpc->loc+tmpc->short_dir_blks);
tabbuf2->parent_entry_num=EndianU16(parent_entry_num);
} else {
tabbuf2->blk=tmpc->loc+tmpc->short_dir_blks;
tabbuf2->parent_entry_num=parent_entry_num;
}
ptr1=&tabbuf2->name;
ptr2=&tmpde1->name;
for (i=0;i<tabbuf2->name_len;i=i+2) {
ptr1++;
*ptr1++=*ptr2++;
}
tabbuf2(U8 *)+=sizeof(CISO1PathEntry)-2+
StrLen(tmpde1->name)<<1;
*first_free+=1;
}
tmpde1=tmpde1->next;
}
*_itabbuf=tabbuf;
*_itabbuf2=tabbuf2;
}
tmpde1=tmpde->sub;
while (tmpde1) {
tmpde2=tmpde1->next;
if (tmpde1->attr & RS_ATTR_DIR) {
tmpc=tmpde1->user_data;
DVDFillPathTable(tmpde1,_itabbuf,_itabbuf2,tmpc->path_entry_num,
big_endian,first_free,cur_level+1,output_level);
}
tmpde1=tmpde2;
}
}
public I64 ISO9660ISO(U8 *_filename=NULL,U8 *src_files_find_mask,
U8 *fu_flags=NULL,U8 *_stage2_filename=NULL)
{//See $LK,"::/Misc/DoDistro.HC"$
//Use "C:/Distro/*" if you want all files in the C:/Distro directory.
//Default flags are "+r" recurse.
CISO1PriDesc *iso_pri=CAlloc(DVD_BLK_SIZE),
*iso_boot=CAlloc(DVD_BLK_SIZE),
*iso_sup=CAlloc(DVD_BLK_SIZE),
*iso_term=CAlloc(DVD_BLK_SIZE);
CDirEntry *headdir=CAlloc(sizeof(CDirEntry));
I64 i,j,stage2_blk=(20<<2+1<<2+DVD_BOOT_LOADER_SIZE/BLK_SIZE)>>2,
stage2_size,cur_blk=0,tabsize,tabsize2,first_free,max_depth,fuf_flags=0;
U32 *d;
CElTorito *et=CAlloc(DVD_BLK_SIZE);
U8 *filename,*stage2_filename,
*stage1_buf=CAlloc(DVD_BOOT_LOADER_SIZE),
*zero_buf=CAlloc(DVD_BLK_SIZE);
CISO1PathEntry *tabbuf=NULL,*tabbuf2=NULL,*itabbuf,*itabbuf2;
CFile *out_file=NULL;
CISO1DirEntry *tmpi;
CCDVDUserData *tmpc;
ScanFlags(&fuf_flags,Define("ST_FILE_UTIL_FLAGS"),"+r");
ScanFlags(&fuf_flags,Define("ST_FILE_UTIL_FLAGS"),fu_flags);
if (!_filename)
_filename=blkdev.dft_iso_filename;
filename=ExtDft(_filename,"ISO");
if (_stage2_filename)
stage2_filename=FileNameAbs(_stage2_filename);
else
stage2_filename=NULL;
headdir->attr=RS_ATTR_DIR;
headdir->sub=FilesFind(src_files_find_mask,fuf_flags);
headdir->datetime=Now;
headdir->user_data=CAlloc(sizeof(CCDVDUserData));
tmpc=headdir->user_data;
tmpc->path_entry_num=1;
cur_blk=20<<2>>2;
if (stage2_filename) //preboot and bootloader
cur_blk+=1+DVD_BOOT_LOADER_SIZE/DVD_BLK_SIZE;
DVDFileCreate2(out_file,headdir,&iso_pri->root_dir_record,
&iso_sup->root_dir_record,&cur_blk,headdir,FALSE,
stage2_filename,&stage2_blk);
tabsize=sizeof(CISO1PathEntry);
tabsize2=sizeof(CISO1PathEntry);
max_depth=DVDTableLen(headdir,&tabsize,&tabsize2,1);
FillU32Palindrome(&iso_pri->path_table_size,tabsize);
FillU32Palindrome(&iso_sup->path_table_size,tabsize2);
tabsize=(tabsize+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;
cur_blk+=tabsize<<1;
tabsize2=(tabsize2+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;
cur_blk+=tabsize2<<1;
if (FileAttr(filename) & RS_ATTR_CONTIGUOUS)
out_file=FOpen(filename,"wc",cur_blk<<2);
else
out_file=FOpen(filename,"w",cur_blk<<2);
cur_blk=0;
if (!out_file)
goto cf_done;
while (cur_blk<20<<2>>2)
FBlkWrite(out_file,zero_buf,cur_blk++<<2,4);
iso_pri->type=ISO1T_PRI_VOL_DESC;
StrCpy(iso_pri->id,"CD001");
iso_pri->version=1;
FillU16Palindrome(&iso_pri->vol_set_size,1);
FillU16Palindrome(&iso_pri->vol_seq_num,1);
FillU16Palindrome(&iso_pri->log_block_size,DVD_BLK_SIZE);
iso_pri->file_structure_version=1;
iso_sup->type=ISO1T_SUPPLEMENTARY_DESC;
StrCpy(iso_sup->id,"CD001");
iso_sup->version=1;
FillU16Palindrome(&iso_sup->vol_set_size,1);
FillU16Palindrome(&iso_sup->vol_seq_num,1);
FillU16Palindrome(&iso_sup->log_block_size,DVD_BLK_SIZE);
iso_sup->file_structure_version=1;
iso_boot->type=ISO1T_BOOT_RECORD;
StrCpy(iso_boot->id,"CD001");
iso_boot->version=1;
StrCpy(iso_boot(U8 *)+7,"EL TORITO SPECIFICATION");
cur_blk=20<<2>>2;
if (stage2_filename) {
d=iso_boot(U8 *)+0x47;
*d=cur_blk;
et->w[0]=1;
StrCpy(&et->w[2],"TempleOS");
et->w[15]=0xAA55;
j=0;
for (i=0;i<16;i++) //Checksum
j+=et->w[i];
et->w[14]=-j;
et->bootable=0x88;
et->media_type=0;//0=no emu 2=1.44meg 4=hard drive
et->sect_cnt=4; //5 seems like the limit, 4 is safer
et->load_rba=cur_blk+1;
"%X: Pre Boot Blk\n",cur_blk;
FBlkWrite(out_file,et,cur_blk++<<2,4);
"%X: Boot Stage 1\n",cur_blk;
cur_blk+=DVD_BOOT_LOADER_SIZE/DVD_BLK_SIZE;
}
DVDFileCreate2(out_file,headdir,&iso_pri->root_dir_record,
&iso_sup->root_dir_record,&cur_blk,headdir,TRUE,
stage2_filename,&stage2_blk);
tabbuf=CAlloc(tabsize*DVD_BLK_SIZE);
iso_pri->type_l_path_table=cur_blk;
tabbuf->name_len=2; //Fill-in adam entry
tmpi=&iso_pri->root_dir_record;
tabbuf->blk=tmpi->loc.little;
tabbuf->parent_entry_num=1;
tabbuf2=CAlloc(tabsize2*DVD_BLK_SIZE);
iso_sup->type_l_path_table=cur_blk+tabsize;
tabbuf2->name_len=2; //Fill-in adam entry
tmpi=&iso_sup->root_dir_record;
tabbuf2->blk=tmpi->loc.little;
tabbuf2->parent_entry_num=1;
itabbuf=tabbuf+1;
itabbuf2=tabbuf2+1;
first_free=2;
for (i=1;i<=max_depth;i++)
DVDFillPathTable(headdir,&itabbuf,&itabbuf2,1,FALSE,&first_free,1,i);
"%X: Path Table 0\n",cur_blk;
FBlkWrite(out_file,tabbuf,cur_blk<<2,tabsize<<2);
cur_blk+=tabsize;
"%X: Path Table 1\n",cur_blk;
FBlkWrite(out_file,tabbuf2,cur_blk<<2,tabsize2<<2);
cur_blk+=tabsize2;
MemSet(tabbuf,0,tabsize*DVD_BLK_SIZE);
iso_pri->type_m_path_table=EndianU32(cur_blk);
tabbuf->name_len=2; //Fill-in adam entry
tmpi=&iso_pri->root_dir_record;
tabbuf->blk=tmpi->loc.big;
tabbuf->parent_entry_num=EndianU16(1);
MemSet(tabbuf2,0,tabsize2*DVD_BLK_SIZE);
iso_sup->type_m_path_table=EndianU32(cur_blk+tabsize);
tabbuf2->name_len=2; //Fill-in adam entry
tmpi=&iso_sup->root_dir_record;
tabbuf2->blk=tmpi->loc.big;
tabbuf2->parent_entry_num=EndianU16(1);
itabbuf=tabbuf+1;
itabbuf2=tabbuf2+1;
first_free=2;
for (i=1;i<=max_depth;i++)
DVDFillPathTable(headdir,&itabbuf,&itabbuf2,1,TRUE,&first_free,1,i);
"%X: Path Table 2\n",cur_blk;
FBlkWrite(out_file,tabbuf,cur_blk<<2,tabsize<<2);
cur_blk+=tabsize;
"%X: Path Table 3\n",cur_blk;
FBlkWrite(out_file,tabbuf2,cur_blk<<2,tabsize2<<2);
cur_blk+=tabsize2;
DirTreeDel2(headdir);
FillU32Palindrome(&iso_pri->vol_space_size,cur_blk);
FillU32Palindrome(&iso_sup->vol_space_size,cur_blk);
FBlkWrite(out_file,iso_pri,16<<2,4);
iso_term->type=ISO1T_TERMINATOR;
StrCpy(iso_term->id,"CD001");
iso_term->version=1;
if (stage2_filename) {
FBlkWrite(out_file,iso_boot,17<<2,4);
FBlkWrite(out_file,iso_sup,18<<2,4);
FBlkWrite(out_file,iso_term,19<<2,4);
stage2_size=(Size(stage2_filename,"+s")+DVD_BLK_SIZE-1)/DVD_BLK_SIZE;
MemCpy(stage1_buf,BDVD_START,BDVD_END-BDVD_START);
*(BDVD_BLK_CNT-BDVD_START+stage1_buf)(U16 *)=stage2_size;
*(BDVD_BLK_LO -BDVD_START+stage1_buf)(U32 *)=stage2_blk;
"$$RED$$!!! Boot Stage 2 !!! %X-%X$$FG$$\n",
stage2_blk,stage2_blk+stage2_size-1;
FBlkWrite(out_file,stage1_buf,
20<<2+1<<2,DVD_BOOT_LOADER_SIZE/BLK_SIZE);
} else {
FBlkWrite(out_file,iso_sup,17<<2,4);
FBlkWrite(out_file,iso_term,18<<2,4);
}
cf_done:
FClose(out_file);
Free(tabbuf);
Free(tabbuf2);
Free(stage2_filename);
Free(filename);
Free(zero_buf);
Free(stage1_buf);
Free(et);
Free(iso_pri);
Free(iso_boot);
Free(iso_sup);
Free(iso_term);
return cur_blk;
}