jlong Java_com_zspace_Native_malloc(JNIEnv* env, jobject that, jint bytes) {
return p2ll(mem_allocz(bytes));
}
u32t _std dsk_gptinit(u32t disk) {
hdd_info *hi = get_by_disk(disk);
u32t stype, ii;
u8t mbr_buffer[MAX_SECTOR_SIZE];
disk_geo_data vgeo;
struct Disk_MBR *mbr = (struct Disk_MBR *)&mbr_buffer;
if (!hi) return DPTE_INVDISK;
dsk_ptrescan(disk,1);
stype = dsk_sectortype(disk, 0, mbr_buffer);
if (stype==DSKST_ERROR) return DPTE_ERRREAD;
log_it(2, "dsk_gptinit(%X)\n", disk);
if (stype!=DSKST_EMPTY && stype!=DSKST_DATA) {
if (hi->pt_size>4) return DPTE_EMPTY;
if (hi->pt_size)
for (ii=0; ii<4; ii++)
if (hi->pts[ii].PTE_Type) return DPTE_EMPTY;
}
// clear pt entries in case of garbage data
if (!dsk_newmbr(disk,DSKBR_GPTHEAD|DSKBR_GENDISKID|DSKBR_LVMINFO|DSKBR_GPTCODE))
return DPTE_ERRWRITE;
if (hi->ghead) { free(hi->ghead); hi->ghead=0; }
if (hi->ghead2) { free(hi->ghead2); hi->ghead2=0; }
if (hi->ptg) { free(hi->ptg); hi->ptg=0; }
hi->non_lvm = 1;
hi->gpt_present = 1;
hi->hybrid = 0;
hi->gpthead = 1;
hi->gpt_size = GPT_MINSIZE;
hi->gpt_sectors = hi->gpt_size * GPT_RECSIZE / hi->info.SectorSize;
// minimum data to perform dsk_flushgpt()
hi->ghead = (struct Disk_GPT *)mem_allocz(memOwner, memPool, MAX_SECTOR_SIZE);
hi->ptg = (struct GPT_Record*)mem_allocz(memOwner, memPool,
sizeof(struct GPT_Record) * hi->gpt_size);
if (hi->ghead) {
struct Disk_GPT *pt = hi->ghead;
pt->GPT_Sign = GPT_SIGNMAIN;
pt->GPT_Revision = 0x10000;
pt->GPT_HdrSize = sizeof(struct GPT_Record);
pt->GPT_Hdr1Pos = hi->gpthead;
pt->GPT_Hdr2Pos = hi->info.TotalSectors - 1;
pt->GPT_UserFirst = pt->GPT_Hdr1Pos + hi->gpt_sectors + 1;
pt->GPT_UserLast = pt->GPT_Hdr2Pos - hi->gpt_sectors - 1;
pt->GPT_PtInfo = pt->GPT_Hdr1Pos + 1;
pt->GPT_PtCout = hi->gpt_size;
pt->GPT_PtEntrySize = GPT_RECSIZE;
dsk_makeguid(pt->GPT_GUID);
}
// flush empty GPT data
ii = dsk_flushgpt(hi);
if (ii) return ii;
// rescan to update free space list and actual state
dsk_ptrescan(hi->disk, 1);
return 0;
}
