* fs/xfs.c (struct grub_xfs_dir_header): Use names similar to
those in Linux XFS code. Provide a way to access 64-bit parent
inode.
(grub_xfs_iterate_dir): Use the new names. Avoid reading past
the end of struct grub_xfs_dir_header.
* disk/raid.c: Cast grub_dprintf() arguments to unsigned long
long if the format specifier expects it.
* partmap/gpt.c (gpt_partition_map_iterate): Likewise.
* partmap/pc.c (pc_partition_map_iterate): Likewise.
* fs/ntfs.c (grub_ntfs_uuid): Cast data->uuid to unsigned long
long to fix a warning.
* fs/reiserfs.c (grub_reiserfs_read): Change casts in
grub_dprintf() arguments to fix warnings.
* fs/xfs.c (GRUB_XFS_FSB_TO_BLOCK): New macro. Maps filesystem
block to disk block.
(grub_xfs_read_block): Use GRUB_XFS_FSB_TO_BLOCK() on result.
Patch from Niels B\303\266hm <bitbucket@arcor.de>
* fs/sfs.c (grub_sfs_read_extent): Fix the count of nodes in
extent-btree which is written as big endian on disk.
Reported by Alain Greppin <al@chilibi.org>.
* fs/fshelp.c (grub_fshelp_read): New function. Implement
linear disk read with journal translation.
* fs/ext2.c: Use grub_fshelp_read() instead of grub_disk_read().
* include/grub/fshelp.h: Declare grub_fshelp_read().
* util/biosdisk.c (get_drive): Verify that `map[i].drive' is non-NULL
before dereferencing it.
* fs/fat.c (struct grub_fat_bpb): Move fat32-specific fields into a
union with fat12/fat16-specific ones. Add some new fields, including
`num_serial' for both versions.
(struct grub_fat_data): Add `uuid' member.
(grub_fat_mount): Refer to fat32-specific fields in `bpb' by their new
names. Initialize `data->uuid' using `num_serial'.
(grub_fat_uuid): New function.
(grub_fat_fs): Reference grub_fat_uuid() in `uuid' struct member.
* fs/reiserfs.c (grub_reiserfs_superblock): Add `uuid' field.
(grub_reiserfs_uuid): New function.
(grub_reiserfs_fs): Reference grub_reiserfs_uuid() in `uuid' struct
member.
* fs/xfs.c (grub_xfs_sblock): Add `uuid' field.
(grub_xfs_uuid): New function.
(grub_xfs_fs): Reference grub_reiserfs_uuid() in `uuid' struct member.
* commands/search.c (options): Add --fs_uuid option.
(search_fs_uuid): New function.
(grub_cmd_search): Fix --set argument passing.
Use search_fs_uuid() when requested via --fs_uuid.
(grub_search_init): Update help message.
* fs/ext2.c (struct grub_ext2_sblock): Rename `unique_id' to `uuid'
and redeclare it as an array of 16-bit words.
(grub_ext2_uuid): New function.
(grub_ext2_fs): Reference grub_ext2_uuid() in `uuid' struct member.
* include/grub/fs.h (struct grub_fs): Add `uuid' struct member.
* util/update-grub.in (GRUB_DEVICE_UUID, GRUB_DEVICE_BOOT)
(GRUB_DEVICE_BOOT_UUID): New variables.
(GRUB_DRIVE. GRUB_DRIVE_BOOT. GRUB_DRIVE_BOOT_GRUB): Remove.
* util/grub.d/00_header.in: Set root using `search --fs_uuid' command
whenever possible.
* util/grub.d/10_hurd.in: Avoid explicit use of root drive. Instead,
just assume `root' variable has the right value.
* util/grub.d/10_linux.in: Likewise.
* util/grub-probe.c (probe): Probe for filesystem UUID when requested
via PRINT_FS_UUID.
(main): Recognise `-t fs_uuid' argument.
* fs/fshelp.c (grub_fshelp_map_block): New function.
(grub_fshelp_find_file): Use 64-bit type for pos and block address.
Use `>>' and `&' operator to avoid 64-bit divide and modulo.
* include/grub/fshelp.h (grub_fshelp_journal_type): New enum.
(GRUB_FSHELP_JOURNAL_UNUSED_MAPPING): New macro.
(grub_fshelp_journal): New structure.
(grub_fshelp_map_block): New function prototype.
(grub_fshelp_read_file): Use grub_disk_addr_t as block type.
(grub_fshelp_map_block): Likewise.
* fs/ext2.c (EXT3_FEATURE_COMPAT_HAS_JOURNAL): New macro.
(EXT3_JOURNAL_MAGIC_NUMBER): Likewise.
(EXT3_JOURNAL_DESCRIPTOR_BLOCK): Likewise.
(EXT3_JOURNAL_COMMIT_BLOCK): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V1): Likewise.
(EXT3_JOURNAL_SUPERBLOCK_V2): Likewise.
(EXT3_JOURNAL_REVOKE_BLOCK): Likewise.
(EXT3_JOURNAL_FLAG_ESCAPE): Likewise.
(EXT3_JOURNAL_FLAG_SAME_UUID): Likewise.
(EXT3_JOURNAL_FLAG_DELETED): Likewise.
(EXT3_JOURNAL_FLAG_LAST_TAG): Likewise.
(grub_ext2_sblock): New members for journal support.
(grub_ext3_journal_header): New structure.
(grub_ext3_journal_revoke_header): Likewise.
(grub_ext3_journal_block_tag): Likewise.
(grub_ext3_journal_sblock): Likewise.
(grub_fshelp_node): New members logfile and journal.
(grub_ext2_read_block): Change block type to grub_disk_addr_t. Use
grub_fshelp_map_block to get real block number.
(grub_ext2_blockgroup): Use grub_fshelp_map_block to get real block
number.
(grub_ext2_read_inode): Likewise.
(grub_ext3_get_journal): New function.
(grub_read_inode): Initialize journal using grub_ext3_get_journal.
(grub_ext2_close): Release memory used by journal.
* fs/reiserfs.c (REISERFS_MAGIC_STRING): Changed to "ReIsEr".
(REISERFS_MAGIC_DESC_BLOCK): New macro.
(grub_reiserfs_transaction_header): Renamed to
grub_reiserfs_description_block, replace field data with real_blocks.
(grub_reiserfs_commit_block): New structure.
(grub_reiserfs_data): New member journal.
(grub_reiserfs_get_item): Use grub_fshelp_map_block to get real block
number.
(grub_reiserfs_read_symlink): Likewise.
(grub_reiserfs_iterate_dir): Likewise.
(grub_reiserfs_open): Likewise.
(grub_reiserfs_read): Likewise.
(grub_reiserfs_get_journal): New function.
(grub_reiserfs_mount): Use "ReIsEr" as super block magic, as there are
three varieties ReIsErFs, ReIsEr2Fs and ReIsEr3Fs. Initialize journal
using grub_reiserfs_get_journal.
(grub_reiserfs_close): Release memory used by journal.
* fs/affs.c (grub_affs_read_block): Change block type to
grub_disk_addr_t. Use grub_divmod64 to do 64-bit division.
* fs/afs.c (grub_afs_read_block): Change block type to grub_disk_addr_t.
* fs/hfsplus.c (grub_hfsplus_read_block): Likewise.
* fs/ntfs.c (grub_ntfs_read_block): Likewise.
* fs/udf.c (grub_udf_read_block): Change block type to
grub_disk_addr_t. Use type cast to avoid warning.
* fs/xfs.c (grub_xfs_read_block): Likewise.
* video/reader/png.c (grub_png_data): New member is_16bit and
image_data.
(grub_png_decode_image_header): Detect 16 bit png image.
(grub_png_convert_image): New function to convert 16 bit image to 8 bit.
(grub_png_decode_png): Call grub_png_convert_image for 16 bit image.
(grub_video_reader_png): Release memory occupied by image_data.
* fs/ntfs.c (find_attr): Handle non-resident attribute list larger than
4096 bytes.
(grub_nfs_mount): Skip the test for sector per cluster.
* include/grub/ntfs.h (MAX_SPC): Removed.
* fs/udf.c (grub_udf_mount): Fix warning about a shadowing a
variable.
* include/grub/i386/loader.h: Change declaration of
grub_linux_boot() to match what grub_loader_set() expects.
* util/getroot.c (grub_guess_root_device): Return const char* to
fix a warning.
* util/grub-probe.c (probe): Fix a warning about uninitialized
abstraction_name variable.
* util/i386/get_disk_name.c (grub_util_get_disk_name): Mark
second argument as unused to fix a warning.
* fs/cpio.c (grub_cpio_find_file): Return GRUB_ERR_NONE
(and set *ofs = 0) instead of GRUB_ERR_FILE_NOT_FOUND on
last block of a cpio or tar stream.
Check for "TRAILER!!!" instead of any empty data
block to detect last block of a cpio stream.
(grub_cpio_dir): Fix constness of variable np.
(grub_cpio_open): Return GRUB_ERR_FILE_NOT_FOUND if
cpio or tar trailer is detected. This fixes a crash
on open of a non existing file.
* fs/ufs.c (INODE_BLKSZ): Fix incorrect value.
(grub_ufs_get_file_block): Fix indirect block calculation problem.
* fs/xfs.c (grub_xfs_sblock): New member log2_dirblk.
(grub_xfs_btree_node): New structure.
(grub_xfs_btree_root): New structure.
(grub_xfs_inode): New members nblocks, extsize, nextents and btree.
(GRUB_XFS_EXTENT_OFFSET): Use exts instead of inode->data.extents.
(GRUB_XFS_EXTENT_BLOCK): Likewise.
(GRUB_XFS_EXTENT_SIZE): Likewise.
(grub_xfs_read_block): Support btree format type.
(grub_xfs_iterate_dir): Use NESTED_FUNC_ATTR in call_hook.
Use directory block as basic unit.
* fs/fshelp.c (grub_fshelp_read_file): Bug fix for sparse block.
* aclocal.m4 (grub_i386_CHECK_REGPARM_BUG): Define NESTED_FUNC_ATTR as
__attribute__ ((__regparm__ (1))).
* fs/reiserfs.c (grub_fshelp_node): New member next_offset.
(grub_reiserfs_get_item): Save offset of the next item.
(grub_reiserfs_iterate_dir): Use next_offset to find next item.
* fs/ufs.c (GRUB_UFS_VOLNAME_LEN): New macro.
(grub_ufs_sblock): New member volume name.
(grub_ufs_find_file): Fix string copy bug.
(grub_ufs_label): Implement this function properly.
* fs/hfs.c (grub_hfs_cnid_type): New enum.
(grub_hfs_iterate_records): Use the correct file number for extents
and catalog file. Fix problem in next index calculation.
(grub_hfs_find_node): Replace recursive function call with loop.
(grub_hfs_iterate_dir): Replace recursive function call with loop.
Fix detection of very small filesystems (like tar).
* fs/reiserfs.c (grub_reiserfs_mount): When disk is too small to
contain a ReiserFS, abort with GRUB_ERR_BAD_FS rather than
GRUB_ERR_OUT_OF_RANGE (which made the upper layer think there's
a problem with this disk).
* fs/reiserfs.c (grub_reiserfs_get_key_v2_type): Handle endianness
correctly.
(grub_reiserfs_get_key_offset): Likewise.
(grub_reiserfs_set_key_offset): Likewise.
(grub_reiserfs_set_key_type): Likewise.
(grub_reiserfs_iterate_dir): Return 1 if found, otheriwise 0.
(GRUB_REISERFS_KEYV2_BITFIELD): Undefined. Probably it would be
better to remove the bitfield version completely.
* fs/reiserfs.c (grub_reiserfs_iterate_dir): ENTRY_ITEM must be
allocated from the heap, due to the fshelp implementation.
(grub_reiserfs_dir): Free NODE, due to the same reason.
* fs/ext2.c (EXT2_GOOD_OLD_REVISION): New macro.
(EXT2_GOOD_OLD_INODE_SIZE): Likewise.
(EXT2_REVISION): Likewise.
(EXT2_INODE_SIZE): Likewise.
(struct grub_ext2_block_group): Added a missing member
"used_dirs".
(grub_ext2_read_inode): Divide by the inode size in a superblock
instead of 128 to obtain INODES_PER_BLOCK.
Use the macro EXT2_INODE_SIZE instead of directly using
SBLOCK->INODE_SIZE.
* fs/ext2.c (grub_ext2_read_inode): Use the inode size in a
superblock instead of the structure size to compute an
offset. This fixes the problem that GRUB could not read a
filesystem when inode size is different from 128-byte.
Count partitions from 1 instead of 0 in the string representation
of partitions. Still use 0-based internally.
* partmap/sun.c (grub_sun_is_valid): A cosmetic change.
(sun_partition_map_iterate): Use grub_partition_t instead of
struct grub_partition *. Cast DESC->START_CYLINDER to
grub_uint64_t after converting the endian.
(sun_partition_map_probe): Subtract 1 for PARTNUM.
(sun_partition_map_get_name): Add 1 to P->INDEX.
* partmap/pc.c (grub_partition_parse): Subtract 1 for
PCDATA->DOS_PART.
(pc_partition_map_get_name): Add 1 into PCDATA->DOS_PART.
* partmap/gpt.c (gpt_partition_map_iterate): Initialize PARTNO to
zero instead of one.
(gpt_partition_map_probe): Subtract 1 for PARTNUM.
(gpt_partition_map_get_name): Add 1 into P->INDEX.
* partmap/apple.c (apple_partition_map_iterate): Change the type
of POS to unsigned.
(apple_partition_map_probe): Subtract 1 for PARTNUM.
(apple_partition_map_get_name): Add 1 into P->INDEX.
* partmap/amiga.c (amiga_partition_map_iterate): Change the type
of POS to unsigned.
(amiga_partition_map_iterate): Cast NEXT to grub_off_t to
calculate the offset of a partition.
(amiga_partition_map_probe): Subtract 1 for PARTNUM.
(amiga_partition_map_get_name): Add 1 into P->INDEX.
* partmap/acorn.c (acorn_partition_map_find): Change the type of
SECTOR to grub_disk_addr_t.
(acorn_partition_map_iterate): Likewise.
(acorn_partition_map_probe): Subtract 1 for PARTNUM.
Change the type of SECTOR to grub_disk_addr_t. Declare P on the
top.
(acorn_partition_map_get_name): Add 1 into P->INDEX.
* kern/i386/pc/init.c (make_install_device): Add 1 into
GRUB_INSTALL_DOS_PART.
* fs/iso9660.c (grub_iso9660_mount): Fixed a reversed
conditional.
Clean up the code to support 64-bit addressing in disks and
files. This change is not enough for filesystems yet.
* util/i386/pc/grub-setup.c (struct boot_blocklist): Change the
type of "start" to grub_uint64_t.
(setup): Change the types of KERNEL_SECTOR and FIRST_SECTOR to
grub_disk_addr_t * and grub_disk_addr_t. Fix the format string in
save_first_sector and save_blocklists. Use grub_le_to_cpu64 to
convert addresses.
* util/i386/pc/biosdisk.c (open_device): Change the type of SECTOR
to grub_disk_addr_t.
* partmap/gpt.c (gpt_partition_map_iterate): Fix the format
string.
* partmap/pc.c (pc_partition_map_iterate): Likewise.
* partmap/amiga.c (amiga_partition_map_iterate): Cast RDSK.MAGIC
to char *.
* normal/script.c (grub_script_parse): Remove unused MEMFREE.
* normal/parser.y (YYLTYPE_IS_TRIVIAL): New macro.
* normal/lexer.c (grub_script_yyerror): Specify unused to LEX.
* loader/i386/pc/multiboot.c (grub_multiboot_load_elf64): Cast -1
to grub_off_t, to detect an error from grub_file_seek.
(grub_multiboot_load_elf32): Likewise.
* kern/misc.c (grub_strtoul): Use grub_strtoull. Return the
maximum unsigned long value when an overflow is detected.
(grub_strtoull): New function.
(grub_divmod64): Likewise.
(grub_lltoa): use grub_divmod64.
* kern/fs.c (struct grub_fs_block): Change the type of "offset" to
grub_disk_addr_t.
(grub_fs_blocklist_open): Increase P if P is not NULL to advance
the pointer to next character. Use grub_strtoull instead of
grub_strtoul.
(grub_fs_blocklist_read): Change the types of SECTOR, OFFSET and
SIZE to grub_disk_addr_t, grub_off_t and grub_size_t,
respectively.
* kern/file.c (grub_file_read): Prevent an oveflow of LEN, as the
return value is signed.
(grub_file_seek): Change the type of OLD to grub_off_t. Do not
test if OFFSET is less than zero, as OFFSET is unsigned now.
* kern/disk.c (struct grub_disk_cache): Change the type of
"sector" to grub_disk_addr_t.
(grub_disk_cache_get_index): Change the type of SECTOR to
grub_disk_addr_t. Calculate the hash with SECTOR casted to
unsigned after shifting.
(grub_disk_cache_invalidate): Change the type of SECTOR to
grub_disk_addr_t.
(grub_disk_cache_unlock): Likewise.
(grub_disk_cache_store): Likewise.
(grub_disk_check_range): Change the types of SECTOR, OFFSET, SIZE,
START and LEN to grub_disk_addr_t *, grub_off_t *, grub_size_t,
grub_disk_addr_t and grub_uint64_t, respectively.
(grub_disk_read): Use an unsigned variable REAL_OFFSET for the
body, as the value of OFFSET is tweaked by
grub_disk_check_range. Change the types of START_SECTOR, LEN and
POS to grub_disk_addr_t, grub_size_t and grub_size_t,
respectively.
(grub_disk_write): Use an unsigned variable REAL_OFFSET for the
body, as the value of OFFSET is tweaked by
grub_disk_check_range. Change the types of LEN and N to
grub_size_t.
* io/gzio.c (struct grub_gzio): Change the types of "data_offset"
and "saved_offset" to grub_off_t.
(test_header): Cast BUF to char *.
(get_byte): Cast GZIO->DATA_OFFSET to grub_off_t. Cast GZIO->INBUF
to char *.
(grub_gzio_read): Change the types of OFFSET and SIZE to
grub_off_t and grub_size_t, respectively.
* include/grub/i386/pc/boot.h (GRUB_BOOT_MACHINE_FORCE_LBA):
Removed.
(GRUB_BOOT_MACHINE_BOOT_DRIVE): Changed to 0x4c.
(GRUB_BOOT_MACHINE_KERNEL_ADDRESS): Changed to 0x40.
(GRUB_BOOT_MACHINE_KERNEL_SEGMENT): Changed to 0x42.
(GRUB_BOOT_MACHINE_DRIVE_CHECK): Changed to 0x4e.
(GRUB_BOOT_MACHINE_LIST_SIZE): Increased to 12.
* include/grub/types.h (grub_off_t): Unconditionally set to
grub_uint64_t.
(grub_disk_addr_t): Changed to grub_uint64_t.
* include/grub/partition.h (struct grub_partition): Change the
types of "start", "len" and "offset" to grub_disk_addr_t,
grub_uint64_t and grub_disk_addr_t, respectively.
(grub_partition_get_start): Return grub_disk_addr_t.
(grub_partition_get_len): Return grub_uint64_t.
* include/grub/misc.h (grub_strtoull): New prototype.
(grub_divmod64): Likewise.
* include/grub/fshelp.h (grub_fshelp_read_file): Change the types
of SECTOR, LEN and FILESIZE to grub_disk_addr_t, grub_size_t and
grub_off_t, respectively.
All callers and references changed.
* include/grub/fs.h (struct grub_fs): Change the type of LEN to
grub_size_t in "read".
All callers and references changed.
* include/grub/file.h (struct grub_file): Change the types of
"offset" and "size" to grub_off_t and grub_off_t,
respectively. Change the type of SECTOR to grub_disk_addr_t in
"read_hook".
(grub_file_read): Change the type of LEN to grub_size_t.
(grub_file_seek): Return grub_off_t. Change the type of OFFSET to
grub_off_t.
(grub_file_size): Return grub_off_t.
(grub_file_tell): Likewise.
All callers and references changed.
* include/grub/disk.h (struct grub_disk_dev): Change the types of
SECTOR and SIZE to grub_disk_addr_t and grub_size_t in "read" and
"write".
(struct grub_disk): Change the type of "total_sectors" to
grub_uint64_t. Change the type of SECTOR to grub_disk_addr_t in
"read_hook".
(grub_disk_read): Change the types of SECTOR, OFFSET and SIZE to
grub_disk_addr_t, grub_off_t and grub_size_t, respectively.
(grub_disk_write): Likewise.
All callers and references changed.
* fs/iso9660.c (grub_iso9660_susp_iterate): Cast parameters to
char * for grub_strncmp to silence gcc.
(grub_iso9660_mount): Likewise.
(grub_iso9660_mount): Likewise.
(grub_iso9660_read_symlink): Likewise. Also, remove the nonsense
return statement.
(grub_iso9660_iterate_dir): Likewise.
(grub_iso9660_label): Cast DATA->VOLDESC.VOLNAME to char *.
* fs/hfs.c (grub_hfs_read_file): Change the types of SECTOR and
LEN to grub_disk_addr_t and grub_size_t, respectively.
* fs/hfsplus.c (grub_hfsplus_read_file): Likewise.
* fs/jfs.c (grub_jfs_read_file): Likewise.
* fs/minix.c (grub_jfs_read_file): Likewise.
* fs/sfs.c (grub_jfs_read_file): Likewise.
* fs/ufs.c (grub_jfs_read_file): Likewise.
* fs/xfs.c (grub_jfs_read_file): Likewise.
* fs/fat.c (grub_fat_read_data): Change the types of SECTOR, LEN
and SIZE to grub_disk_addr_t, grub_size_t and grub_size_t,
respectively.
* fs/ext2.c (grub_ext2_read_block): When an error happens, set
BLKNR to -1 instead of returning GRUB_ERRNO.
(grub_ext2_read_file): Change the types of SECTOR and
LEN to grub_disk_addr_t and grub_size_t, respectively.
* fs/affs.c (grub_affs_read_file): Change the types of SECTOR and
LEN to grub_disk_addr_t and grub_size_t, respectively.
* font/manager.c (grub_font_get_glyph): Cast BITMAP to char * for
grub_file_read.
* disk/ieee1275/ofdisk.c (grub_ofdisk_read): Fix the format
string. Do not cast SECTOR explicitly.
* disk/i386/pc/biosdisk.c (grub_biosdisk_open): Change the type of
TOTAL_SECTORS to grub_uint64_t. Do not mask DRP->TOTAL_SECTORS.
(grub_biosdisk_rw): Change the types of SECTOR and SIZE to
grub_disk_addr_t and grub_size_t, respectively. If the sector is
over 2TB and LBA mode is not supported, raise an error.
(get_safe_sectors): New function.
(grub_biosdisk_read): Use get_safe_sectors.
(grub_biosdisk_write): Likewise.
* disk/efi/efidisk.c (grub_efidisk_read): Fix the format string.
(grub_efidisk_write): Likewise.
* disk/loopback.c (delete_loopback): Cosmetic changes.
(grub_cmd_loopback): Likewise. Also, test NEWDEV->FILENAME
correctly.
(grub_loopback_open): Likewise.
(grub_loopback_read): Likewise. Also, change the type of POS to
grub_off_t, and fix the usage of grub_memset.
* commands/i386/pc/play.c: Include grub/machine/time.h.
* commands/ls.c (grub_ls_list_files): Use "llu" instead of "d" to
print FILE->SIZE.
* commands/configfile.c: Include grub/env.h.
* commands/cmp.c (grub_cmd_cmp): Do not use ERR, but use
GRUB_ERRNO directly instead. Change the type of POS to
grub_off_t. Follow the coding standard.
* commands/blocklist.c: Include grub/partition.h.
(grub_cmd_blocklist): Return an error if the underlying device is
not a disk. Take the starting sector of a partition into account,
if a partition is used.
* boot/i386/pc/diskboot.S (bootloop): Adapted to the new offset of
a length field.
(lba_mode): Support 64-bit addresses.
(chs_mode): Likewise.
(copy_buffer): Adapted to the new offsets of a length field and a
segment field.
(blocklist_default_start): Allocate 64-bit space.
* boot/i386/pc/boot.S (force_lba): Removed.
(boot_drive): Moved to under KERNEL_SECTOR.
(kernel_sector): Moved to under KENREL_SEGMENT. Allocate 64-bit
space.
(real_start): Set %si earlier. Remove code for FORCE_LBA, since it
is useless.
(lba_mode): Refactored to support a 64-bit address. More size
optimization.
(setup_sectors): Likewise.
* fs/hfsplus.c (grub_hfsplus_btree_recoffset): Moved to near the
top.
(grub_hfsplus_btree_recptr): Likewise.
(grub_hfsplus_find_block): Do not take RETRY any longer. Use
FILEBLOCK both to pass a block number and store next block
number.
(grub_hfsplus_read_block): Rewritten heavily to support an extent
overflow file correctly. Specify errors appropriately, because
fshelp expects that GRUB_ERRNO is set when fails. Reuse
grub_hfsplus_btree_recptr to get the pointer to a found key.
(grub_hfsplus_btree_search): Return 1 instead of 0 when no match
is found.
* conf/i386-efi.rmk (pkgdata_MODULES): Added _linux.mod and
linux.mod.
(_linux_mod_SOURCES): New variable.
(_linux_mod_CFLAGS): Likewise.
(_linux_mod_LDFLAGS): Likewise.
(linux_mod_SOURCES): Likewise.
(linux_mod_CFLAGS): Likewise.
(linux_mod_LDFLAGS): Likewise.
* DISTLIST: Added loader/i386/efi/linux.c,
loader/i386/efi/linux_normal.c and
include/grub/i386/efi/loader.h.
* loader/i386/efi/linux.c: New file.
* loader/i386/efi/linux_normal.c: Likewise.
* include/grub/i386/efi/loader.h: Likewise.
