partitioning_systems/gpt/Header.cpp

62 		&fHeader, sizeof(gpt_table_header));
64 		if (!_IsHeaderValid(fHeader, EFI_HEADER_LOCATION))
68 	if (fStatus == B_OK && lastBlock != fHeader.AlternateBlock()) {
70 			B_PRIu64 ")\n", fHeader.AlternateBlock(), lastBlock);
71 		lastBlock = fHeader.AlternateBlock();
88 		fHeader = fBackupHeader;
89 		fHeader.SetAbsoluteBlock(EFI_HEADER_LOCATION);
90 		fHeader.SetEntriesBlock(EFI_PARTITION_ENTRIES_BLOCK);
91 		fHeader.SetAlternateBlock(lastBlock);
108 	fStatus = _Read(fd, fHeader.EntriesBlock() * blockSize,
126 	_Dump(fHeader);
147 	memcpy(fHeader.header, EFI_PARTITION_HEADER, sizeof(fHeader.header));
148 	fHeader.SetRevision(EFI_TABLE_REVISION);
149 	fHeader.SetHeaderSize(sizeof(fHeader));
150 	fHeader.SetHeaderCRC(0);
151 	fHeader.SetAbsoluteBlock(EFI_HEADER_LOCATION);
152 	fHeader.SetAlternateBlock(lastBlock);
155 	memcpy((uint8*)&fHeader.disk_guid, uuid, sizeof(guid_t));
156 	fHeader.SetEntriesBlock(EFI_PARTITION_ENTRIES_BLOCK);
157 	fHeader.SetEntryCount(EFI_PARTITION_ENTRY_COUNT);
158 	fHeader.SetEntrySize(EFI_PARTITION_ENTRY_SIZE);
159 	fHeader.SetEntriesCRC(0);
172 	fHeader.SetFirstUsableBlock(EFI_PARTITION_ENTRIES_BLOCK + entryBlocks);
173 	fHeader.SetLastUsableBlock(lastBlock - 1 - entryBlocks);
178 	_Dump(fHeader);
211 	off_t entryOffset = entryIndex * fHeader.EntrySize();
214 		fHeader.EntriesBlock() * fBlockSize + entryOffset,
215 		fEntries + entryOffset, fHeader.EntrySize());
225 		fEntries + entryOffset, fHeader.EntrySize());
242 			uint64 deviceSize = fHeader.AlternateBlock() * fBlockSize;
252 	status_t status = _Write(fd, fHeader.EntriesBlock() * fBlockSize, fEntries,
277 	status_t status = _Write(fd, fHeader.AbsoluteBlock() * fBlockSize,
278 		&fHeader, sizeof(gpt_table_header));
303 	_UpdateCRC(fHeader);
357 	return fHeader.EntriesCRC() == crc32(fEntries, _EntryArraySize());
364 	fBackupHeader = fHeader;