not doing embedded decompressor.

	error.

	* grub-core/Makefile.core.def (mpi): Add mpi-inline.c.
	* grub-core/lib/libgcrypt_wrap/cipher_wrap.h: Remove redundant
	declarations.
	* grub-core/lib/posix_wrap/string.h: Include sys/types.h.
	* grub-core/lib/posix_wrap/sys/types.h: Add common types.
	* grub-core/lib/xzembed/xz_dec_lzma2.c (dict_put): Replace byte
	identifier with b.
	* grub-core/lib/xzembed/xz_dec_stream.c (dec_vli): Likewise.
	* include/grub/crypto.h: Add type defines.
	* util/import_gcrypth.sed: Remove duplicate type defines.

	if hash function is unavailable.
	(dec_stream_header): Likewise.

	for context.

	condition to avoid possibly infinite loops.
	* grub-core/lib/pbkdf2.c (grub_crypto_pbkdf2): Likewise.
	* grub-core/lib/xzembed/xz_dec_bcj.c (bcj_powerpc): Likewise.

	infinite recursion using counter.
	* grub-core/lib/xzembed/xz_dec_stream.c (xz_dec_init): Defer s->crc32
	init to skip it if the magic check fails.
	(dec_stream_header): Init s->crc32.

	* configure.ac: Define GRUB_TARGET_CPU_XYZ series.
	* grub-core/lib/xzembed/xz_config.h: Use GRUB_TARGET_CPU_XYZ.

	* Makefile.util.def (libgrubmods.a): Add xzembed directory to cppflags.
	Add xzembed source files.
	* grub-core/Makefile.core.def (squash4): Add xzembed and minilzo flags.
	* grub-core/fs/squash4.c (grub_squash_super): New field compression.
	(grub_squash_inode): New subtype long_dir.
	(SQUASH_TYPE_LONG_DIR): New inode type.
	(COMPRESSION): New enum.
	(XZBUFSIZ): New const.
	(grub_squash_data): New fields blksz, decompress, xzdec, xzbuf.
	(read_chunk): Use data->decompress.
	(zlib_decompress): New function.
	(lzo_decompress): Likewise.
	(xz_decompress): Likewise.
	(squash_mount): Set new data fields.
	(grub_squash_iterate_dir): Handle long dir.
	(squash_unmount): Free xzdec and xzbuf.
	(grub_squash_open): Check ino type.
	(direct_read): Stylistic fixes. Use data->decompress.
	(grub_squash_read_data): Likewise.
	* grub-core/io/gzio.c (grub_gzio): Remove disk_input.
	(get_byte): Likewise.
	(grub_zlib_disk_read): Removed.
	* grub-core/lib/posix_wrap/sys/types.h (ssize_t): New type.
	(GRUB_POSIX_BOOL_DEFINED): New define.
	* grub-core/lib/posix_wrap/unistd.h: Include sys/types.h.
	* grub-core/lib/xzembed/xz.h: Addmissing includes.
	[!GRUB_POSIX_BOOL_DEFINED]: Define bool.
	* include/grub/deflate.h (grub_zlib_disk_read): Removed.

	* grub-core/lib/xzembed/xz_dec_stream.c (xz_dec): Restrict hash_id to
	normal decoder.
	(hashes): Use in embed decoder as well (for sizes).
	(dec_stream_header): Fix embed decompressor logic.
	(dec_stream_footer): Likewise.

	* Makefile.util.def (libgrubmods): Add crc64.c.
	* grub-core/Makefile.core.def (crc64): New module.
	* grub-core/lib/crc64.c: New file.
	* grub-core/lib/xzembed/xz_dec_stream.c (xz_dec_hash)
	[!GRUB_EMBED_DECOMPRESSOR]: Rename crc32_context to hash_context.
	Fix the type.
	(MAX_HASH_SIZE): New define.
	(xz_dec) [!GRUB_EMBED_DECOMPRESSOR]: Add generic hash fields.
	(dec_block) [!GRUB_EMBED_DECOMPRESSOR]: Handle non-crc32 hashes.
	(index_update) [!GRUB_EMBED_DECOMPRESSOR]: Likewise.
	(dec_index) [!GRUB_EMBED_DECOMPRESSOR]: Likewise.
	(crc32_validate) [!GRUB_EMBED_DECOMPRESSOR]: Rename to ...
	(hash_validate) [!GRUB_EMBED_DECOMPRESSOR]: ... this.
	Handle non-crc32 hashes.
	(hashes) [!GRUB_EMBED_DECOMPRESSOR]: New variable.
	(dec_stream_header): Handle non-crc32 hashes.
	(dec_stream_footer): Likewise.
	(dec_block_header): Likewise.
	(dec_main): Likewise.
	(xz_dec_init): Likewise.
	(xz_dec_reset): Likewise.
	(xz_dec_end): Likewise.
	* util/import_gcry.py: Add CRC64 line.

	CRC calculations and validity checks.
	* grub-core/lib/xzembed/xz_dec_stream.c (dec_index): Fix index CRC
	calculations.

	pointer.

	* grub-core/io/xzio.c: New file.
	* grub-core/lib/xzembed/xz.h: New file (from xembed).
	* grub-core/lib/xzembed/xz_config.h: Likewise.
	* grub-core/lib/xzembed/xz_dec_bcj.c: Likewise.
	* grub-core/lib/xzembed/xz_dec_lzma2.c: Likewise.
	* grub-core/lib/xzembed/xz_dec_stream.c: Likewise.
	* grub-core/lib/xzembed/xz_lzma2.h: Likewise.
	* grub-core/lib/xzembed/xz_private.h: Likewise.
	* grub-core/lib/xzembed/xz_stream.h: Likewise.
	* include/grub/file.h (grub_file_filter_id): New compression filter
	GRUB_FILE_FILTER_XZIO.